diff --git a/dist/image-sequencer.js b/dist/image-sequencer.js index 26e29879..78f69621 100644 --- a/dist/image-sequencer.js +++ b/dist/image-sequencer.js @@ -48026,7 +48026,7 @@ ImageSequencer = function ImageSequencer(options) { } module.exports = ImageSequencer; -},{"./AddStep":136,"./ExportBin":137,"./FormatInput":138,"./InsertStep":140,"./Modules":141,"./ReplaceImage":142,"./Run":143,"./SavedSequences.json":145,"./ui/LoadImage":211,"./ui/SetInputStep":212,"./ui/UserInterface":213,"./util/getStep.js":215,"fs":42}],140:[function(require,module,exports){ +},{"./AddStep":136,"./ExportBin":137,"./FormatInput":138,"./InsertStep":140,"./Modules":141,"./ReplaceImage":142,"./Run":143,"./SavedSequences.json":145,"./ui/LoadImage":215,"./ui/SetInputStep":216,"./ui/UserInterface":217,"./util/getStep.js":219,"fs":42}],140:[function(require,module,exports){ const getStepUtils = require('./util/getStep.js'); // insert one or more steps at a given index in the sequencer @@ -48086,7 +48086,7 @@ function InsertStep(ref, image, index, name, o) { } module.exports = InsertStep; -},{"./util/getStep.js":215}],141:[function(require,module,exports){ +},{"./util/getStep.js":219}],141:[function(require,module,exports){ /* * Core modules and their info files */ @@ -48111,8 +48111,9 @@ module.exports = { 'ndvi-colormap': require('./modules/NdviColormap'), 'colorbar': require('./modules/Colorbar'), 'gamma-correction': require('./modules/GammaCorrection'), + 'convolution': require('./modules/Convolution'), } -},{"./modules/Average":147,"./modules/Blend":150,"./modules/Blur":154,"./modules/Brightness":157,"./modules/Channel":160,"./modules/Colorbar":163,"./modules/Colormap":167,"./modules/Crop":172,"./modules/DecodeQr":175,"./modules/Dynamic":178,"./modules/EdgeDetect":182,"./modules/FisheyeGl":185,"./modules/GammaCorrection":188,"./modules/Gradient":191,"./modules/ImportImage":195,"./modules/Ndvi":202,"./modules/NdviColormap":198,"./modules/Overlay":205,"./modules/Saturation":208,"image-sequencer-invert":56}],142:[function(require,module,exports){ +},{"./modules/Average":147,"./modules/Blend":150,"./modules/Blur":154,"./modules/Brightness":157,"./modules/Channel":160,"./modules/Colorbar":163,"./modules/Colormap":167,"./modules/Convolution":171,"./modules/Crop":176,"./modules/DecodeQr":179,"./modules/Dynamic":182,"./modules/EdgeDetect":186,"./modules/FisheyeGl":189,"./modules/GammaCorrection":192,"./modules/Gradient":195,"./modules/ImportImage":199,"./modules/Ndvi":206,"./modules/NdviColormap":202,"./modules/Overlay":209,"./modules/Saturation":212,"image-sequencer-invert":56}],142:[function(require,module,exports){ // Uses a given image as input and replaces it with the output. // Works only in the browser. function ReplaceImage(ref,selector,steps,options) { @@ -48268,7 +48269,7 @@ function Run(ref, json_q, callback, ind, progressObj) { } module.exports = Run; -},{"./RunToolkit":144,"./util/getStep.js":215}],144:[function(require,module,exports){ +},{"./RunToolkit":144,"./util/getStep.js":219}],144:[function(require,module,exports){ const getPixels = require('get-pixels'); const pixelManipulation = require('./modules/_nomodule/PixelManipulation'); const lodash = require('lodash'); @@ -48283,7 +48284,7 @@ module.exports = function(input) { input.savePixels = savePixels; return input; } -},{"./modules/_nomodule/PixelManipulation":210,"data-uri-to-buffer":13,"get-pixels":23,"lodash":62,"save-pixels":111}],145:[function(require,module,exports){ +},{"./modules/_nomodule/PixelManipulation":214,"data-uri-to-buffer":13,"get-pixels":23,"lodash":62,"save-pixels":111}],145:[function(require,module,exports){ module.exports={"sample":[{"name":"invert","options":{}},{"name":"channel","options":{"channel":"red"}},{"name":"blur","options":{"blur":"5"}}]} },{}],146:[function(require,module,exports){ /* @@ -48363,7 +48364,7 @@ module.exports = function Average(options, UI){ } } -},{"../_nomodule/PixelManipulation.js":210}],147:[function(require,module,exports){ +},{"../_nomodule/PixelManipulation.js":214}],147:[function(require,module,exports){ module.exports = [ require('./Module'), require('./info.json') @@ -48441,7 +48442,7 @@ module.exports = function Dynamic(options, UI, util) { } } -},{"../_nomodule/PixelManipulation.js":210,"get-pixels":23}],150:[function(require,module,exports){ +},{"../_nomodule/PixelManipulation.js":214,"get-pixels":23}],150:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) },{"./Module":149,"./info.json":151,"dup":147}],151:[function(require,module,exports){ module.exports={ @@ -48591,7 +48592,7 @@ module.exports = function Blur(options, UI) { } } -},{"../_nomodule/PixelManipulation.js":210,"./Blur":152}],154:[function(require,module,exports){ +},{"../_nomodule/PixelManipulation.js":214,"./Blur":152}],154:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) },{"./Module":153,"./info.json":155,"dup":147}],155:[function(require,module,exports){ module.exports={ @@ -48662,19 +48663,20 @@ module.exports = function Brightness(options,UI){ } } -},{"../_nomodule/PixelManipulation.js":210}],157:[function(require,module,exports){ +},{"../_nomodule/PixelManipulation.js":214}],157:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) },{"./Module":156,"./info.json":158,"dup":147}],158:[function(require,module,exports){ module.exports={ - "name": "Brightness", - "description": "Change the brightness of the image by given percent value", - "inputs": { - "brightness": { - "type": "integer", - "desc": "% brightness for the new image", - "default": 0 - } - } + "name": "Brightness", + "description": "Change the brightness of the image by given percent value", + "inputs": { + "brightness": { + "type": "number", + "desc": "% brightness for the new image", + "placeholder": "0", + "default": 0 + } + } } },{}],159:[function(require,module,exports){ @@ -48727,7 +48729,7 @@ module.exports = function Channel(options, UI) { } } -},{"../_nomodule/PixelManipulation.js":210}],160:[function(require,module,exports){ +},{"../_nomodule/PixelManipulation.js":214}],160:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) },{"./Module":159,"./info.json":161,"dup":147}],161:[function(require,module,exports){ module.exports={ @@ -48929,7 +48931,7 @@ module.exports = function Colormap(options,UI) { } } -},{"../_nomodule/PixelManipulation.js":210,"./Colormap":165}],167:[function(require,module,exports){ +},{"../_nomodule/PixelManipulation.js":214,"./Colormap":165}],167:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) },{"./Module":166,"./info.json":168,"dup":147}],168:[function(require,module,exports){ module.exports={ @@ -48946,6 +48948,145 @@ module.exports={ } },{}],169:[function(require,module,exports){ +var _ = require('lodash'); +module.exports = exports = function(pixels, constantFactor, kernelValues){ + let kernel = kernelGenerator(constantFactor, kernelValues), oldpix = _.cloneDeep(pixels); + kernel = flipKernel(kernel); + + for (let i = 0; i < pixels.shape[0]; i++) { + for (let j = 0; j < pixels.shape[1]; j++) { + let neighboutPos = getNeighbouringPixelPositions([i, j]); + let acc = [0.0, 0.0, 0.0, 0.0]; + for (let a = 0; a < kernel.length; a++) { + for (let b = 0; b < kernel.length; b++) { + acc[0] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 0) * kernel[a][b]); + acc[1] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 1) * kernel[a][b]); + acc[2] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 2) * kernel[a][b]); + acc[3] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 3) * kernel[a][b]); + } + } + acc[0] = acc[0]%255; + acc[1] = acc[1]%255; + acc[2] = acc[2]%255; + pixels.set(i, j, 0, acc[0]); + pixels.set(i, j, 1, acc[1]); + pixels.set(i, j, 2, acc[2]); + } + } + return pixels; + + + function kernelGenerator(constantFactor, kernelValues){ + kernelValues = kernelValues.split(" "); + for(i = 0 ; i < 9; i++){ + kernelValues[i] = Number(kernelValues[i]) * constantFactor; + } + let k = 0; + let arr = []; + for(i = 0; i < 3; i++){ + let columns = []; + for(j = 0; j < 3; j++){ + columns.push(kernelValues[k]); + k += 1; + } + arr.push(columns); + } + return arr; + } + + function getNeighbouringPixelPositions(pixelPosition) { + let x = pixelPosition[0], y = pixelPosition[1], result = []; + + for (let i = -1; i <= 1; i++) { + let arr = []; + for (let j = -1; j <= 1; j++) + arr.push([x + i, y + j]); + + result.push(arr); + } + return result; + } + + function flipKernel(kernel) { + let result = []; + for (let i = kernel.length - 1; i >= 0; i--) { + let arr = []; + for (let j = kernel[i].length - 1; j >= 0; j--) { + arr.push(kernel[i][j]); + } + result.push(arr); + } + return result; + } +} +},{"lodash":62}],170:[function(require,module,exports){ +module.exports = function Convolution(options, UI) { + + options.kernelValues = options.kernelValues || '1 1 1 1 1 1 1 1 1'; + options.constantFactor = options.constantFactor || 1/9; + var output; + + function draw(input, callback, progressObj) { + + progressObj.stop(true); + progressObj.overrideFlag = true; + + var step = this; + + function changePixel(r, g, b, a) { + return [r, g, b, a] + } + + function extraManipulation(pixels) { + pixels = require('./Convolution')(pixels, options.constantFactor, options.kernelValues) + return pixels + } + + function output(image, datauri, mimetype) { + + step.output = { src: datauri, format: mimetype }; + + } + + return require('../_nomodule/PixelManipulation.js')(input, { + output: output, + changePixel: changePixel, + extraManipulation: extraManipulation, + format: input.format, + image: options.image, + callback: callback + }); + + } + return { + options: options, + draw: draw, + output: output, + UI: UI + } +} + +},{"../_nomodule/PixelManipulation.js":214,"./Convolution":169}],171:[function(require,module,exports){ +arguments[4][147][0].apply(exports,arguments) +},{"./Module":170,"./info.json":172,"dup":147}],172:[function(require,module,exports){ +module.exports={ + "name": "Convolution", + "description": "Image Convolution using a given 3x3 kernel matrix", + "inputs": { + "constantFactor":{ + "type": "Float", + "desc": "a constant factor, multiplies all the kernel values by that factor", + "default": 0.1111 + }, + "kernelValues": { + "type": "String", + "desc": "nine space separated numbers representing the kernel values in left to right and top to bottom format.", + "default": "1 1 1 1 1 1 1 1 1" + } + } +} + +},{}],173:[function(require,module,exports){ (function (Buffer){ module.exports = function Crop(input,options,callback) { @@ -48991,7 +49132,7 @@ module.exports = function Crop(input,options,callback) { }; }).call(this,require("buffer").Buffer) -},{"buffer":4,"get-pixels":23,"save-pixels":111}],170:[function(require,module,exports){ +},{"buffer":4,"get-pixels":23,"save-pixels":111}],174:[function(require,module,exports){ /* * Image Cropping module * Usage: @@ -49063,7 +49204,7 @@ module.exports = function CropModule(options, UI) { } } -},{"./Crop":169,"./Ui.js":171}],171:[function(require,module,exports){ +},{"./Crop":173,"./Ui.js":175}],175:[function(require,module,exports){ // hide on save module.exports = function CropModuleUi(step, ui) { @@ -49162,9 +49303,9 @@ module.exports = function CropModuleUi(step, ui) { } } -},{}],172:[function(require,module,exports){ +},{}],176:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) -},{"./Module":170,"./info.json":173,"dup":147}],173:[function(require,module,exports){ +},{"./Module":174,"./info.json":177,"dup":147}],177:[function(require,module,exports){ module.exports={ "name": "Crop", "description": "Crop image to given x, y, w, h in pixels, measured from top left", @@ -49192,7 +49333,7 @@ module.exports={ } } } -},{}],174:[function(require,module,exports){ +},{}],178:[function(require,module,exports){ /* * Decodes QR from a given image. */ @@ -49235,9 +49376,9 @@ module.exports = function DoNothing(options,UI) { } } -},{"get-pixels":23,"jsqr":61}],175:[function(require,module,exports){ +},{"get-pixels":23,"jsqr":61}],179:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) -},{"./Module":174,"./info.json":176,"dup":147}],176:[function(require,module,exports){ +},{"./Module":178,"./info.json":180,"dup":147}],180:[function(require,module,exports){ module.exports={ "name": "Decode QR", "description": "Search for and decode a QR code in the image", @@ -49250,7 +49391,7 @@ module.exports={ } } -},{}],177:[function(require,module,exports){ +},{}],181:[function(require,module,exports){ module.exports = function Dynamic(options,UI) { var output; @@ -49335,9 +49476,9 @@ module.exports = function Dynamic(options,UI) { } } -},{"../_nomodule/PixelManipulation.js":210}],178:[function(require,module,exports){ +},{"../_nomodule/PixelManipulation.js":214}],182:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) -},{"./Module":177,"./info.json":179,"dup":147}],179:[function(require,module,exports){ +},{"./Module":181,"./info.json":183,"dup":147}],183:[function(require,module,exports){ module.exports={ "name": "Dynamic", "description": "A module which accepts JavaScript math expressions to produce each color channel based on the original image's color. See Infragrammar.", @@ -49365,7 +49506,7 @@ module.exports={ } } -},{}],180:[function(require,module,exports){ +},{}],184:[function(require,module,exports){ const _ = require('lodash') //define kernels for the sobel filter @@ -49544,7 +49685,7 @@ function doubleThreshold(pixels, highThresholdRatio, lowThresholdRatio) { -},{"lodash":62}],181:[function(require,module,exports){ +},{"lodash":62}],185:[function(require,module,exports){ /* * Detect Edges in an Image */ @@ -49602,9 +49743,9 @@ module.exports = function edgeDetect(options,UI) { } } -},{"../_nomodule/PixelManipulation.js":210,"./EdgeUtils":180,"ndarray-gaussian-filter":67}],182:[function(require,module,exports){ +},{"../_nomodule/PixelManipulation.js":214,"./EdgeUtils":184,"ndarray-gaussian-filter":67}],186:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) -},{"./Module":181,"./info.json":183,"dup":147}],183:[function(require,module,exports){ +},{"./Module":185,"./info.json":187,"dup":147}],187:[function(require,module,exports){ module.exports={ "name": "Detect Edges", "description": "this module detects edges using the Canny method, which first Gaussian blurs the image to reduce noise (amount of blur configurable in settings as `options.blur`), then applies a number of steps to highlight edges, resulting in a greyscale image where the brighter the pixel, the stronger the detected edge. Read more at: https://en.wikipedia.org/wiki/Canny_edge_detector", @@ -49627,7 +49768,7 @@ module.exports={ } } -},{}],184:[function(require,module,exports){ +},{}],188:[function(require,module,exports){ /* * Resolves Fisheye Effect */ @@ -49699,9 +49840,9 @@ module.exports = function DoNothing(options,UI) { } } -},{"fisheyegl":15}],185:[function(require,module,exports){ +},{"fisheyegl":15}],189:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) -},{"./Module":184,"./info.json":186,"dup":147}],186:[function(require,module,exports){ +},{"./Module":188,"./info.json":190,"dup":147}],190:[function(require,module,exports){ module.exports={ "name": "Fisheye GL", "description": "Correct fisheye, or barrel distortion, in images (with WebGL -- adapted from fisheye-correction-webgl by @bluemir).", @@ -49769,7 +49910,7 @@ module.exports={ } } -},{}],187:[function(require,module,exports){ +},{}],191:[function(require,module,exports){ module.exports = function Gamma(options,UI){ var output; @@ -49815,9 +49956,9 @@ module.exports = function Gamma(options,UI){ } } -},{"../_nomodule/PixelManipulation.js":210}],188:[function(require,module,exports){ +},{"../_nomodule/PixelManipulation.js":214}],192:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) -},{"./Module":187,"./info.json":189,"dup":147}],189:[function(require,module,exports){ +},{"./Module":191,"./info.json":193,"dup":147}],193:[function(require,module,exports){ module.exports={ "name": "Gamma Correction", "description": "Apply gamma correction on the image Read more", @@ -49830,7 +49971,7 @@ module.exports={ } } -},{}],190:[function(require,module,exports){ +},{}],194:[function(require,module,exports){ (function (Buffer){ module.exports = function Invert(options, UI) { @@ -49896,15 +50037,15 @@ module.exports = function Invert(options, UI) { } }).call(this,require("buffer").Buffer) -},{"buffer":4,"get-pixels":23,"save-pixels":111}],191:[function(require,module,exports){ +},{"buffer":4,"get-pixels":23,"save-pixels":111}],195:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) -},{"./Module":190,"./info.json":192,"dup":147}],192:[function(require,module,exports){ +},{"./Module":194,"./info.json":196,"dup":147}],196:[function(require,module,exports){ module.exports={ "name": "Gradient", "description": "Gives a gradient of the image", "inputs": {} } -},{}],193:[function(require,module,exports){ +},{}],197:[function(require,module,exports){ /* * Import Image module; this fetches a given remote or local image via URL * or data-url, and overwrites the current one. It saves the original as @@ -49964,7 +50105,7 @@ module.exports = function ImportImageModule(options, UI) { } } -},{"../../util/GetFormat":214,"./Ui.js":194}],194:[function(require,module,exports){ +},{"../../util/GetFormat":218,"./Ui.js":198}],198:[function(require,module,exports){ // hide on save module.exports = function ImportImageModuleUi(step, ui) { @@ -50020,9 +50161,9 @@ module.exports = function ImportImageModuleUi(step, ui) { } } -},{}],195:[function(require,module,exports){ +},{}],199:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) -},{"./Module":193,"./info.json":196,"dup":147}],196:[function(require,module,exports){ +},{"./Module":197,"./info.json":200,"dup":147}],200:[function(require,module,exports){ module.exports={ "name": "Import Image", "description": "Import a new image and replace the original with it. Future versions may enable a blend mode. Specify an image by URL or by file selector.", @@ -50035,7 +50176,7 @@ module.exports={ } } } -},{}],197:[function(require,module,exports){ +},{}],201:[function(require,module,exports){ /* * Sample Meta Module for demonstration purpose only */ @@ -50045,16 +50186,16 @@ module.exports = function NdviColormapfunction() { isMeta: true } } -},{}],198:[function(require,module,exports){ +},{}],202:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) -},{"./Module":197,"./info.json":199,"dup":147}],199:[function(require,module,exports){ +},{"./Module":201,"./info.json":203,"dup":147}],203:[function(require,module,exports){ module.exports={ "name": "NDVI-Colormap", "description": "Sequentially Applies NDVI and Colormap steps", "inputs": {}, "length": 2 } -},{}],200:[function(require,module,exports){ +},{}],204:[function(require,module,exports){ /* * NDVI with red filter (blue channel is infrared) */ @@ -50114,7 +50255,7 @@ module.exports = function Ndvi(options, UI) { } } -},{"../_nomodule/PixelManipulation.js":210,"./Ui.js":201}],201:[function(require,module,exports){ +},{"../_nomodule/PixelManipulation.js":214,"./Ui.js":205}],205:[function(require,module,exports){ // hide on save module.exports = function CropModuleUi(step, ui) { @@ -50150,9 +50291,9 @@ module.exports = function CropModuleUi(step, ui) { } } -},{}],202:[function(require,module,exports){ +},{}],206:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) -},{"./Module":200,"./info.json":203,"dup":147}],203:[function(require,module,exports){ +},{"./Module":204,"./info.json":207,"dup":147}],207:[function(require,module,exports){ module.exports={ "name": "NDVI", "description": "Normalized Difference Vegetation Index, or NDVI, is an image analysis technique used with aerial photography. It's a way to visualize the amounts of infrared and other wavelengths of light reflected from vegetation by comparing ratios of blue and red light absorbed versus green and IR light reflected. NDVI is used to evaluate the health of vegetation in satellite imagery, where it correlates with how much photosynthesis is happening. This is helpful in assessing vegetative health or stress. Read more.

This is designed for use with red-filtered single camera DIY Infragram cameras; change to 'blue' for blue filters", @@ -50166,7 +50307,7 @@ module.exports={ } } -},{}],204:[function(require,module,exports){ +},{}],208:[function(require,module,exports){ module.exports = function Dynamic(options, UI, util) { options.x = options.x || 0; @@ -50238,9 +50379,9 @@ module.exports = function Dynamic(options, UI, util) { } } -},{"../_nomodule/PixelManipulation.js":210,"get-pixels":23}],205:[function(require,module,exports){ +},{"../_nomodule/PixelManipulation.js":214,"get-pixels":23}],209:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) -},{"./Module":204,"./info.json":206,"dup":147}],206:[function(require,module,exports){ +},{"./Module":208,"./info.json":210,"dup":147}],210:[function(require,module,exports){ module.exports={ "name": "Overlay", "description": "Overlays an Image over another at a given position(x,y)", @@ -50262,7 +50403,7 @@ module.exports={ } } } -},{}],207:[function(require,module,exports){ +},{}],211:[function(require,module,exports){ /* * Saturate an image with a value from 0 to 1 */ @@ -50320,9 +50461,9 @@ module.exports = function Saturation(options,UI) { } } -},{"../_nomodule/PixelManipulation.js":210}],208:[function(require,module,exports){ +},{"../_nomodule/PixelManipulation.js":214}],212:[function(require,module,exports){ arguments[4][147][0].apply(exports,arguments) -},{"./Module":207,"./info.json":209,"dup":147}],209:[function(require,module,exports){ +},{"./Module":211,"./info.json":213,"dup":147}],213:[function(require,module,exports){ module.exports={ "name": "Saturation", "description": "Change the saturation of the image by given value, from 0-1, with 1 being 100% saturated.", @@ -50335,7 +50476,7 @@ module.exports={ } } -},{}],210:[function(require,module,exports){ +},{}],214:[function(require,module,exports){ (function (process,Buffer){ /* * General purpose per-pixel manipulation @@ -50436,7 +50577,7 @@ module.exports = function PixelManipulation(image, options) { }; }).call(this,require('_process'),require("buffer").Buffer) -},{"_process":98,"buffer":4,"get-pixels":23,"pace":74,"save-pixels":111}],211:[function(require,module,exports){ +},{"_process":98,"buffer":4,"get-pixels":23,"pace":74,"save-pixels":111}],215:[function(require,module,exports){ // special module to load an image into the start of the sequence; used in the HTML UI function LoadImage(ref, name, src, main_callback) { function makeImage(datauri) { @@ -50543,7 +50684,7 @@ function LoadImage(ref, name, src, main_callback) { module.exports = LoadImage; -},{"urify":132}],212:[function(require,module,exports){ +},{"urify":132}],216:[function(require,module,exports){ // TODO: potentially move this into ImportImage module function setInputStepInit() { @@ -50595,7 +50736,7 @@ function setInputStepInit() { } module.exports = setInputStepInit; -},{}],213:[function(require,module,exports){ +},{}],217:[function(require,module,exports){ /* * User Interface Handling Module */ @@ -50655,7 +50796,7 @@ module.exports = function UserInterface(events = {}) { } -},{}],214:[function(require,module,exports){ +},{}],218:[function(require,module,exports){ /* * Determine format from a URL or data-url, return "jpg" "png" "gif" etc * TODO: write a test for this using the examples @@ -50697,7 +50838,7 @@ module.exports = function GetFormat(src) { } -},{}],215:[function(require,module,exports){ +},{}],219:[function(require,module,exports){ module.exports = { getPreviousStep: function() { return this.getStep(-1); diff --git a/dist/image-sequencer.min.js b/dist/image-sequencer.min.js index dfb27172..092f647c 100644 --- a/dist/image-sequencer.min.js +++ b/dist/image-sequencer.min.js @@ -1 +1 @@ -!function(){return function e(t,n,r){function i(o,s){if(!n[o]){if(!t[o]){var u="function"==typeof require&&require;if(!s&&u)return u(o,!0);if(a)return a(o,!0);var l=new Error("Cannot find module '"+o+"'");throw l.code="MODULE_NOT_FOUND",l}var c=n[o]={exports:{}};t[o][0].call(c.exports,function(e){return i(t[o][1][e]||e)},c,c.exports,e,t,n,r)}return n[o].exports}for(var a="function"==typeof require&&require,o=0;o0?r-4:r,f=0;f>16&255,s[u++]=t>>8&255,s[u++]=255&t;2===o&&(t=i[e.charCodeAt(f)]<<2|i[e.charCodeAt(f+1)]>>4,s[u++]=255&t);1===o&&(t=i[e.charCodeAt(f)]<<10|i[e.charCodeAt(f+1)]<<4|i[e.charCodeAt(f+2)]>>2,s[u++]=t>>8&255,s[u++]=255&t);return s},n.fromByteArray=function(e){for(var t,n=e.length,i=n%3,a=[],o=0,s=n-i;os?s:o+16383));1===i?(t=e[n-1],a.push(r[t>>2]+r[t<<4&63]+"==")):2===i&&(t=(e[n-2]<<8)+e[n-1],a.push(r[t>>10]+r[t>>4&63]+r[t<<2&63]+"="));return a.join("")};for(var r=[],i=[],a="undefined"!=typeof Uint8Array?Uint8Array:Array,o="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",s=0,u=o.length;s0)throw new Error("Invalid string. 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Function(["function ",S,"(",v.join(","),"){",m.join("\n"),"} return ",S].join(""))()}},{uniq:131}],11:[function(e,t,n){"use strict";var r=e("./compile.js");t.exports=function(e){var t=["'use strict'","var CACHED={}"],n=[],i=e.funcName+"_cwise_thunk";t.push(["return function ",i,"(",e.shimArgs.join(","),"){"].join(""));for(var a=[],o=[],s=[["array",e.arrayArgs[0],".shape.slice(",Math.max(0,e.arrayBlockIndices[0]),e.arrayBlockIndices[0]<0?","+e.arrayBlockIndices[0]+")":")"].join("")],u=[],l=[],c=0;c0&&(u.push("array"+e.arrayArgs[0]+".shape.length===array"+f+".shape.length+"+(Math.abs(e.arrayBlockIndices[0])-Math.abs(e.arrayBlockIndices[c]))),l.push("array"+e.arrayArgs[0]+".shape[shapeIndex+"+Math.max(0,e.arrayBlockIndices[0])+"]===array"+f+".shape[shapeIndex+"+Math.max(0,e.arrayBlockIndices[c])+"]"))}for(e.arrayArgs.length>1&&(t.push("if (!("+u.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same dimensionality!')"),t.push("for(var shapeIndex=array"+e.arrayArgs[0]+".shape.length-"+Math.abs(e.arrayBlockIndices[0])+"; shapeIndex--\x3e0;) {"),t.push("if (!("+l.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same shape!')"),t.push("}")),c=0;c0)return function(e,t){var n,r;for(n=new Array(e),r=0;r 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],18:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec4 uLens;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 TextureCoord2GLCoord(vec2 textureCoord) {\n\treturn (textureCoord - vec2(0.5, 0.5)) * 2.0;\n}\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord / 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tfloat correctionRadius = 0.5;\n\tfloat distance = sqrt(vPosition.x * vPosition.x + vPosition.y * vPosition.y) / correctionRadius;\n\tfloat theta = 1.0;\n\tif(distance != 0.0){\n\t\ttheta = atan(distance);\n\t}\n\tvec2 vMapping = theta * vPosition.xy;\n\tvMapping = GLCoord2TextureCoord(vMapping);\n\t\t\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],19:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec3 uLensS;\nuniform vec2 uLensF;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord * vec2(1.0, -1.0)/ 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tfloat scale = uLensS.z;\n\tvec3 vPos = vPosition;\n\tfloat Fx = uLensF.x;\n\tfloat Fy = uLensF.y;\n\tvec2 vMapping = vPos.xy;\n\tvMapping.x = vMapping.x + ((pow(vPos.y, 2.0)/scale)*vPos.x/scale)*-Fx;\n\tvMapping.y = vMapping.y + ((pow(vPos.x, 2.0)/scale)*vPos.y/scale)*-Fy;\n\tvMapping = vMapping * uLensS.xy;\n\tvMapping = GLCoord2TextureCoord(vMapping/scale);\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t}\n\tgl_FragColor = texture;\n}\n"},{}],20:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec4 uLens;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 TextureCoord2GLCoord(vec2 textureCoord) {\n\treturn (textureCoord - vec2(0.5, 0.5)) * 2.0;\n}\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord / 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tvec2 vMapping = vec2(vTextureCoord.x, 1.0 - vTextureCoord.y);\n\tvMapping = TextureCoord2GLCoord(vMapping);\n\t//TODO insert Code\n\tfloat F = uLens.x/ uLens.w;\n\tfloat seta = length(vMapping) / F;\n\tvMapping = sin(seta) * F / length(vMapping) * vMapping;\n\tvMapping *= uLens.w * 1.414;\n\tvMapping = GLCoord2TextureCoord(vMapping);\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],21:[function(e,t,n){t.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec4 uLens;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 TextureCoord2GLCoord(vec2 textureCoord) {\n\treturn (textureCoord - vec2(0.5, 0.5)) * 2.0;\n}\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord / 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tvec2 vMapping = vec2(vTextureCoord.x, 1.0 - vTextureCoord.y);\n\tvMapping = TextureCoord2GLCoord(vMapping);\n\t//TOD insert Code\n\tfloat F = uLens.x/ uLens.w;\n\tfloat seta = length(vMapping) / F;\n\tvMapping = sin(seta) * F / length(vMapping) * vMapping;\n\tvMapping *= uLens.w 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It would be larger than 0x"+u.toString(16)+" bytes";a.Z_MIN_WINDOWBITS=8,a.Z_MAX_WINDOWBITS=15,a.Z_DEFAULT_WINDOWBITS=15,a.Z_MIN_CHUNK=64,a.Z_MAX_CHUNK=1/0,a.Z_DEFAULT_CHUNK=16384,a.Z_MIN_MEMLEVEL=1,a.Z_MAX_MEMLEVEL=9,a.Z_DEFAULT_MEMLEVEL=8,a.Z_MIN_LEVEL=-1,a.Z_MAX_LEVEL=9,a.Z_DEFAULT_LEVEL=a.Z_DEFAULT_COMPRESSION;for(var c=Object.keys(a),f=0;f=u?o=new RangeError(l):t=r.concat(i,a),i=[],e.close(),n(o,t)}e.on("error",function(t){e.removeListener("end",s),e.removeListener("readable",o),n(t)}),e.on("end",s),e.end(t),o()}function _(e,t){if("string"==typeof t&&(t=r.from(t)),!r.isBuffer(t))throw new TypeError("Not a string or buffer");var n=e._finishFlushFlag;return e._processChunk(t,n)}function w(e){if(!(this instanceof w))return new w(e);M.call(this,e,a.DEFLATE)}function b(e){if(!(this instanceof b))return new b(e);M.call(this,e,a.INFLATE)}function y(e){if(!(this instanceof y))return new y(e);M.call(this,e,a.GZIP)}function x(e){if(!(this instanceof x))return new x(e);M.call(this,e,a.GUNZIP)}function k(e){if(!(this instanceof k))return new k(e);M.call(this,e,a.DEFLATERAW)}function E(e){if(!(this instanceof E))return new E(e);M.call(this,e,a.INFLATERAW)}function S(e){if(!(this instanceof S))return new S(e);M.call(this,e,a.UNZIP)}function A(e){return e===a.Z_NO_FLUSH||e===a.Z_PARTIAL_FLUSH||e===a.Z_SYNC_FLUSH||e===a.Z_FULL_FLUSH||e===a.Z_FINISH||e===a.Z_BLOCK}function M(e,t){var o=this;if(this._opts=e=e||{},this._chunkSize=e.chunkSize||n.Z_DEFAULT_CHUNK,i.call(this,e),e.flush&&!A(e.flush))throw new Error("Invalid flush flag: "+e.flush);if(e.finishFlush&&!A(e.finishFlush))throw new Error("Invalid flush flag: "+e.finishFlush);if(this._flushFlag=e.flush||a.Z_NO_FLUSH,this._finishFlushFlag=void 0!==e.finishFlush?e.finishFlush:a.Z_FINISH,e.chunkSize&&(e.chunkSizen.Z_MAX_CHUNK))throw new Error("Invalid chunk size: "+e.chunkSize);if(e.windowBits&&(e.windowBitsn.Z_MAX_WINDOWBITS))throw new Error("Invalid windowBits: "+e.windowBits);if(e.level&&(e.leveln.Z_MAX_LEVEL))throw new Error("Invalid compression level: "+e.level);if(e.memLevel&&(e.memLeveln.Z_MAX_MEMLEVEL))throw new Error("Invalid memLevel: "+e.memLevel);if(e.strategy&&e.strategy!=n.Z_FILTERED&&e.strategy!=n.Z_HUFFMAN_ONLY&&e.strategy!=n.Z_RLE&&e.strategy!=n.Z_FIXED&&e.strategy!=n.Z_DEFAULT_STRATEGY)throw new Error("Invalid strategy: "+e.strategy);if(e.dictionary&&!r.isBuffer(e.dictionary))throw new Error("Invalid dictionary: it should be a Buffer instance");this._handle=new a.Zlib(t);var s=this;this._hadError=!1,this._handle.onerror=function(e,t){T(s),s._hadError=!0;var r=new Error(e);r.errno=t,r.code=n.codes[t],s.emit("error",r)};var u=n.Z_DEFAULT_COMPRESSION;"number"==typeof e.level&&(u=e.level);var l=n.Z_DEFAULT_STRATEGY;"number"==typeof e.strategy&&(l=e.strategy),this._handle.init(e.windowBits||n.Z_DEFAULT_WINDOWBITS,u,e.memLevel||n.Z_DEFAULT_MEMLEVEL,l,e.dictionary),this._buffer=r.allocUnsafe(this._chunkSize),this._offset=0,this._level=u,this._strategy=l,this.once("end",this.close),Object.defineProperty(this,"_closed",{get:function(){return!o._handle},configurable:!0,enumerable:!0})}function T(e,n){n&&t.nextTick(n),e._handle&&(e._handle.close(),e._handle=null)}function I(e){e.emit("close")}Object.defineProperty(n,"codes",{enumerable:!0,value:Object.freeze(p),writable:!1}),n.Deflate=w,n.Inflate=b,n.Gzip=y,n.Gunzip=x,n.DeflateRaw=k,n.InflateRaw=E,n.Unzip=S,n.createDeflate=function(e){return new w(e)},n.createInflate=function(e){return new b(e)},n.createDeflateRaw=function(e){return new k(e)},n.createInflateRaw=function(e){return new E(e)},n.createGzip=function(e){return new y(e)},n.createGunzip=function(e){return new x(e)},n.createUnzip=function(e){return new S(e)},n.deflate=function(e,t,n){return"function"==typeof t&&(n=t,t={}),m(new w(t),e,n)},n.deflateSync=function(e,t){return _(new w(t),e)},n.gzip=function(e,t,n){return"function"==typeof t&&(n=t,t={}),m(new y(t),e,n)},n.gzipSync=function(e,t){return _(new y(t),e)},n.deflateRaw=function(e,t,n){return"function"==typeof t&&(n=t,t={}),m(new k(t),e,n)},n.deflateRawSync=function(e,t){return _(new k(t),e)},n.unzip=function(e,t,n){return"function"==typeof t&&(n=t,t={}),m(new S(t),e,n)},n.unzipSync=function(e,t){return _(new S(t),e)},n.inflate=function(e,t,n){return"function"==typeof t&&(n=t,t={}),m(new b(t),e,n)},n.inflateSync=function(e,t){return _(new b(t),e)},n.gunzip=function(e,t,n){return"function"==typeof t&&(n=t,t={}),m(new x(t),e,n)},n.gunzipSync=function(e,t){return _(new x(t),e)},n.inflateRaw=function(e,t,n){return"function"==typeof t&&(n=t,t={}),m(new E(t),e,n)},n.inflateRawSync=function(e,t){return _(new E(t),e)},o.inherits(M,i),M.prototype.params=function(e,r,i){if(en.Z_MAX_LEVEL)throw new RangeError("Invalid compression level: 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null===e||r.isBuffer(e)?this._handle?(s?i=this._finishFlushFlag:(i=this._flushFlag,e.length>=o.length&&(this._flushFlag=this._opts.flush||a.Z_NO_FLUSH)),void this._processChunk(e,i,n)):n(new Error("zlib binding closed")):n(new Error("invalid input"))},M.prototype._processChunk=function(e,t,n){var i=e&&e.length,a=this._chunkSize-this._offset,o=0,c=this,f="function"==typeof n;if(!f){var h,p=[],d=0;this.on("error",function(e){h=e}),s(this._handle,"zlib binding closed");do{var g=this._handle.writeSync(t,e,o,i,this._buffer,this._offset,a)}while(!this._hadError&&_(g[0],g[1]));if(this._hadError)throw h;if(d>=u)throw T(this),new RangeError(l);var v=r.concat(p,d);return T(this),v}s(this._handle,"zlib binding closed");var m=this._handle.write(t,e,o,i,this._buffer,this._offset,a);function _(u,l){if(this&&(this.buffer=null,this.callback=null),!c._hadError){var h=a-l;if(s(h>=0,"have should not go down"),h>0){var 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0===e.avail_out&&(i.last_flush=-1),d;if(w===H&&(t===c?a._tr_align(i):t!==p&&(a._tr_stored_block(i,0,0,!1),t===f&&(Q(i.head),0===i.lookahead&&(i.strstart=0,i.block_start=0,i.insert=0))),ee(e),0===e.avail_out))return i.last_flush=-1,d}return t!==h?d:i.wrap<=0?g:(2===i.wrap?(ne(i,255&e.adler),ne(i,e.adler>>8&255),ne(i,e.adler>>16&255),ne(i,e.adler>>24&255),ne(i,255&e.total_in),ne(i,e.total_in>>8&255),ne(i,e.total_in>>16&255),ne(i,e.total_in>>24&255)):(re(i,e.adler>>>16),re(i,65535&e.adler)),ee(e),i.wrap>0&&(i.wrap=-i.wrap),0!==i.pending?d:g)},n.deflateEnd=function(e){var t;return e&&e.state?(t=e.state.status)!==N&&t!==P&&t!==U&&t!==q&&t!==V&&t!==Z&&t!==W?J(e,v):(e.state=null,t===Z?J(e,m):d):v},n.deflateSetDictionary=function(e,t){var n,r,a,s,u,l,c,f,h=t.length;if(!e||!e.state)return v;if(2===(s=(n=e.state).wrap)||1===s&&n.status!==N||n.lookahead)return v;for(1===s&&(e.adler=o(e.adler,t,h,0)),n.wrap=0,h>=n.w_size&&(0===s&&(Q(n.head),n.strstart=0,n.block_start=0,n.insert=0),f=new i.Buf8(n.w_size),i.arraySet(f,t,h-n.w_size,n.w_size,0),t=f,h=n.w_size),u=e.avail_in,l=e.next_in,c=e.input,e.avail_in=h,e.next_in=0,e.input=t,ae(n);n.lookahead>=O;){r=n.strstart,a=n.lookahead-(O-1);do{n.ins_h=(n.ins_h<>>=b=w>>>24,d-=b,0===(b=w>>>16&255))A[a++]=65535&w;else{if(!(16&b)){if(0==(64&b)){w=g[(65535&w)+(p&(1<>>=b,d-=b),d<15&&(p+=S[r++]<>>=b=w>>>24,d-=b,!(16&(b=w>>>16&255))){if(0==(64&b)){w=v[(65535&w)+(p&(1<u){e.msg="invalid distance too far back",n.mode=30;break e}if(p>>>=b,d-=b,x>(b=a-o)){if((b=x-b)>c&&n.sane){e.msg="invalid distance too far back",n.mode=30;break e}if(k=0,E=h,0===f){if(k+=l-b,b2;)A[a++]=E[k++],A[a++]=E[k++],A[a++]=E[k++],y-=3;y&&(A[a++]=E[k++],y>1&&(A[a++]=E[k++]))}else{k=a-x;do{A[a++]=A[k++],A[a++]=A[k++],A[a++]=A[k++],y-=3}while(y>2);y&&(A[a++]=A[k++],y>1&&(A[a++]=A[k++]))}break}}break}}while(r>3,p&=(1<<(d-=y<<3))-1,e.next_in=r,e.next_out=a,e.avail_in=r>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24)}function ie(e){var t;return e&&e.state?(t=e.state,e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=x,t.last=0,t.havedict=0,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new r.Buf32(ee),t.distcode=t.distdyn=new r.Buf32(te),t.sane=1,t.back=-1,d):m}function ae(e){var t;return e&&e.state?((t=e.state).wsize=0,t.whave=0,t.wnext=0,ie(e)):m}function oe(e,t){var n,r;return e&&e.state?(r=e.state,t<0?(n=0,t=-t):(n=1+(t>>4),t<48&&(t&=15)),t&&(t<8||t>15)?m:(null!==r.window&&r.wbits!==t&&(r.window=null),r.wrap=n,r.wbits=t,ae(e))):m}function se(e,t){var n,i;return e?(i=new function(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new r.Buf16(320),this.work=new r.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0},e.state=i,i.window=null,(n=oe(e,t))!==d&&(e.state=null),n):m}var ue,le,ce=!0;function fe(e){if(ce){var t;for(ue=new r.Buf32(512),le=new r.Buf32(32),t=0;t<144;)e.lens[t++]=8;for(;t<256;)e.lens[t++]=9;for(;t<280;)e.lens[t++]=7;for(;t<288;)e.lens[t++]=8;for(s(l,e.lens,0,288,ue,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;s(c,e.lens,0,32,le,0,e.work,{bits:5}),ce=!1}e.lencode=ue,e.lenbits=9,e.distcode=le,e.distbits=5}function he(e,t,n,i){var a,o=e.state;return null===o.window&&(o.wsize=1<=o.wsize?(r.arraySet(o.window,t,n-o.wsize,o.wsize,0),o.wnext=0,o.whave=o.wsize):((a=o.wsize-o.wnext)>i&&(a=i),r.arraySet(o.window,t,n-i,a,o.wnext),(i-=a)?(r.arraySet(o.window,t,n-i,i,0),o.wnext=i,o.whave=o.wsize):(o.wnext+=a,o.wnext===o.wsize&&(o.wnext=0),o.whave>>8&255,n.check=a(n.check,Me,2,0),se=0,ue=0,n.mode=k;break}if(n.flags=0,n.head&&(n.head.done=!1),!(1&n.wrap)||(((255&se)<<8)+(se>>8))%31){e.msg="incorrect header check",n.mode=J;break}if((15&se)!==y){e.msg="unknown compression method",n.mode=J;break}if(ue-=4,xe=8+(15&(se>>>=4)),0===n.wbits)n.wbits=xe;else if(xe>n.wbits){e.msg="invalid window size",n.mode=J;break}n.dmax=1<>8&1),512&n.flags&&(Me[0]=255&se,Me[1]=se>>>8&255,n.check=a(n.check,Me,2,0)),se=0,ue=0,n.mode=E;case E:for(;ue<32;){if(0===ae)break e;ae--,se+=ee[ne++]<>>8&255,Me[2]=se>>>16&255,Me[3]=se>>>24&255,n.check=a(n.check,Me,4,0)),se=0,ue=0,n.mode=S;case S:for(;ue<16;){if(0===ae)break e;ae--,se+=ee[ne++]<>8),512&n.flags&&(Me[0]=255&se,Me[1]=se>>>8&255,n.check=a(n.check,Me,2,0)),se=0,ue=0,n.mode=A;case A:if(1024&n.flags){for(;ue<16;){if(0===ae)break e;ae--,se+=ee[ne++]<>>8&255,n.check=a(n.check,Me,2,0)),se=0,ue=0}else n.head&&(n.head.extra=null);n.mode=M;case M:if(1024&n.flags&&((pe=n.length)>ae&&(pe=ae),pe&&(n.head&&(xe=n.head.extra_len-n.length,n.head.extra||(n.head.extra=new Array(n.head.extra_len)),r.arraySet(n.head.extra,ee,ne,pe,xe)),512&n.flags&&(n.check=a(n.check,ee,pe,ne)),ae-=pe,ne+=pe,n.length-=pe),n.length))break e;n.length=0,n.mode=T;case T:if(2048&n.flags){if(0===ae)break e;pe=0;do{xe=ee[ne+pe++],n.head&&xe&&n.length<65536&&(n.head.name+=String.fromCharCode(xe))}while(xe&&pe>9&1,n.head.done=!0),e.adler=n.check=0,n.mode=L;break;case R:for(;ue<32;){if(0===ae)break e;ae--,se+=ee[ne++]<>>=7&ue,ue-=7&ue,n.mode=Y;break}for(;ue<3;){if(0===ae)break e;ae--,se+=ee[ne++]<>>=1)){case 0:n.mode=O;break;case 1:if(fe(n),n.mode=U,t===p){se>>>=2,ue-=2;break e}break;case 2:n.mode=F;break;case 3:e.msg="invalid block type",n.mode=J}se>>>=2,ue-=2;break;case O:for(se>>>=7&ue,ue-=7&ue;ue<32;){if(0===ae)break e;ae--,se+=ee[ne++]<>>16^65535)){e.msg="invalid stored block lengths",n.mode=J;break}if(n.length=65535&se,se=0,ue=0,n.mode=z,t===p)break e;case z:n.mode=D;case D:if(pe=n.length){if(pe>ae&&(pe=ae),pe>oe&&(pe=oe),0===pe)break e;r.arraySet(te,ee,ne,pe,ie),ae-=pe,ne+=pe,oe-=pe,ie+=pe,n.length-=pe;break}n.mode=L;break;case F:for(;ue<14;){if(0===ae)break e;ae--,se+=ee[ne++]<>>=5,ue-=5,n.ndist=1+(31&se),se>>>=5,ue-=5,n.ncode=4+(15&se),se>>>=4,ue-=4,n.nlen>286||n.ndist>30){e.msg="too many length or distance symbols",n.mode=J;break}n.have=0,n.mode=N;case N:for(;n.have>>=3,ue-=3}for(;n.have<19;)n.lens[Te[n.have++]]=0;if(n.lencode=n.lendyn,n.lenbits=7,Ee={bits:n.lenbits},ke=s(u,n.lens,0,19,n.lencode,0,n.work,Ee),n.lenbits=Ee.bits,ke){e.msg="invalid code lengths set",n.mode=J;break}n.have=0,n.mode=P;case P:for(;n.have>>16&255,_e=65535&Ae,!((ve=Ae>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<>>=ve,ue-=ve,n.lens[n.have++]=_e;else{if(16===_e){for(Se=ve+2;ue>>=ve,ue-=ve,0===n.have){e.msg="invalid bit length repeat",n.mode=J;break}xe=n.lens[n.have-1],pe=3+(3&se),se>>>=2,ue-=2}else if(17===_e){for(Se=ve+3;ue>>=ve)),se>>>=3,ue-=3}else{for(Se=ve+7;ue>>=ve)),se>>>=7,ue-=7}if(n.have+pe>n.nlen+n.ndist){e.msg="invalid bit length repeat",n.mode=J;break}for(;pe--;)n.lens[n.have++]=xe}}if(n.mode===J)break;if(0===n.lens[256]){e.msg="invalid code -- missing end-of-block",n.mode=J;break}if(n.lenbits=9,Ee={bits:n.lenbits},ke=s(l,n.lens,0,n.nlen,n.lencode,0,n.work,Ee),n.lenbits=Ee.bits,ke){e.msg="invalid literal/lengths set",n.mode=J;break}if(n.distbits=6,n.distcode=n.distdyn,Ee={bits:n.distbits},ke=s(c,n.lens,n.nlen,n.ndist,n.distcode,0,n.work,Ee),n.distbits=Ee.bits,ke){e.msg="invalid distances set",n.mode=J;break}if(n.mode=U,t===p)break e;case U:n.mode=q;case q:if(ae>=6&&oe>=258){e.next_out=ie,e.avail_out=oe,e.next_in=ne,e.avail_in=ae,n.hold=se,n.bits=ue,o(e,ce),ie=e.next_out,te=e.output,oe=e.avail_out,ne=e.next_in,ee=e.input,ae=e.avail_in,se=n.hold,ue=n.bits,n.mode===L&&(n.back=-1);break}for(n.back=0;me=(Ae=n.lencode[se&(1<>>16&255,_e=65535&Ae,!((ve=Ae>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<>we)])>>>16&255,_e=65535&Ae,!(we+(ve=Ae>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<>>=we,ue-=we,n.back+=we}if(se>>>=ve,ue-=ve,n.back+=ve,n.length=_e,0===me){n.mode=H;break}if(32&me){n.back=-1,n.mode=L;break}if(64&me){e.msg="invalid literal/length code",n.mode=J;break}n.extra=15&me,n.mode=V;case V:if(n.extra){for(Se=n.extra;ue>>=n.extra,ue-=n.extra,n.back+=n.extra}n.was=n.length,n.mode=Z;case Z:for(;me=(Ae=n.distcode[se&(1<>>16&255,_e=65535&Ae,!((ve=Ae>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<>we)])>>>16&255,_e=65535&Ae,!(we+(ve=Ae>>>24)<=ue);){if(0===ae)break e;ae--,se+=ee[ne++]<>>=we,ue-=we,n.back+=we}if(se>>>=ve,ue-=ve,n.back+=ve,64&me){e.msg="invalid distance code",n.mode=J;break}n.offset=_e,n.extra=15&me,n.mode=W;case W:if(n.extra){for(Se=n.extra;ue>>=n.extra,ue-=n.extra,n.back+=n.extra}if(n.offset>n.dmax){e.msg="invalid distance too far back",n.mode=J;break}n.mode=G;case G:if(0===oe)break e;if(pe=ce-oe,n.offset>pe){if((pe=n.offset-pe)>n.whave&&n.sane){e.msg="invalid distance too far back",n.mode=J;break}pe>n.wnext?(pe-=n.wnext,de=n.wsize-pe):de=n.wnext-pe,pe>n.length&&(pe=n.length),ge=n.window}else ge=te,de=ie-n.offset,pe=n.length;pe>oe&&(pe=oe),oe-=pe,n.length-=pe;do{te[ie++]=ge[de++]}while(--pe);0===n.length&&(n.mode=q);break;case H:if(0===oe)break e;te[ie++]=n.length,oe--,n.mode=q;break;case Y:if(n.wrap){for(;ue<32;){if(0===ae)break e;ae--,se|=ee[ne++]<=1&&0===O[A];A--);if(M>A&&(M=A),0===A)return l[c++]=20971520,l[c++]=20971520,h.bits=1,0;for(S=1;S0&&(0===e||1!==A))return-1;for(z[1]=0,k=1;k<15;k++)z[k+1]=z[k]+O[k];for(E=0;E852||2===e&&R>592)return 1;for(;;){w=k-I,f[E]<_?(b=0,y=f[E]):f[E]>_?(b=D[F+f[E]],y=L[C+f[E]]):(b=96,y=0),p=1<>I)+(d-=p)]=w<<24|b<<16|y|0}while(0!==d);for(p=1<>=1;if(0!==p?(B&=p-1,B+=p):B=0,E++,0==--O[k]){if(k===A)break;k=t[n+f[E]]}if(k>M&&(B&v)!==g){for(0===I&&(I=M),m+=S,j=1<<(T=k-I);T+I852||2===e&&R>592)return 1;l[g=B&v]=M<<24|T<<16|m-c|0}}return 0!==B&&(l[m+B]=k-I<<24|64<<16|0),h.bits=M,0}},{"../utils/common":44}],52:[function(e,t,n){"use strict";t.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],53:[function(e,t,n){"use strict";var r=e("../utils/common"),i=4,a=0,o=1,s=2;function u(e){for(var t=e.length;--t>=0;)e[t]=0}var l=0,c=1,f=2,h=29,p=256,d=p+1+h,g=30,v=19,m=2*d+1,_=15,w=16,b=7,y=256,x=16,k=17,E=18,S=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0],A=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13],M=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7],T=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],I=new Array(2*(d+2));u(I);var j=new Array(2*g);u(j);var R=new Array(512);u(R);var B=new Array(256);u(B);var L=new Array(h);u(L);var C,O,z,D=new Array(g);function F(e,t,n,r,i){this.static_tree=e,this.extra_bits=t,this.extra_base=n,this.elems=r,this.max_length=i,this.has_stree=e&&e.length}function N(e,t){this.dyn_tree=e,this.max_code=0,this.stat_desc=t}function P(e){return e<256?R[e]:R[256+(e>>>7)]}function U(e,t){e.pending_buf[e.pending++]=255&t,e.pending_buf[e.pending++]=t>>>8&255}function q(e,t,n){e.bi_valid>w-n?(e.bi_buf|=t<>w-e.bi_valid,e.bi_valid+=n-w):(e.bi_buf|=t<>>=1,n<<=1}while(--t>0);return n>>>1}function W(e,t,n){var r,i,a=new Array(_+1),o=0;for(r=1;r<=_;r++)a[r]=o=o+n[r-1]<<1;for(i=0;i<=t;i++){var s=e[2*i+1];0!==s&&(e[2*i]=Z(a[s]++,s))}}function G(e){var t;for(t=0;t8?U(e,e.bi_buf):e.bi_valid>0&&(e.pending_buf[e.pending++]=e.bi_buf),e.bi_buf=0,e.bi_valid=0}function Y(e,t,n,r){var i=2*t,a=2*n;return e[i]>1;n>=1;n--)$(e,a,n);i=u;do{n=e.heap[1],e.heap[1]=e.heap[e.heap_len--],$(e,a,1),r=e.heap[1],e.heap[--e.heap_max]=n,e.heap[--e.heap_max]=r,a[2*i]=a[2*n]+a[2*r],e.depth[i]=(e.depth[n]>=e.depth[r]?e.depth[n]:e.depth[r])+1,a[2*n+1]=a[2*r+1]=i,e.heap[1]=i++,$(e,a,1)}while(e.heap_len>=2);e.heap[--e.heap_max]=e.heap[1],function(e,t){var n,r,i,a,o,s,u=t.dyn_tree,l=t.max_code,c=t.stat_desc.static_tree,f=t.stat_desc.has_stree,h=t.stat_desc.extra_bits,p=t.stat_desc.extra_base,d=t.stat_desc.max_length,g=0;for(a=0;a<=_;a++)e.bl_count[a]=0;for(u[2*e.heap[e.heap_max]+1]=0,n=e.heap_max+1;nd&&(a=d,g++),u[2*r+1]=a,r>l||(e.bl_count[a]++,o=0,r>=p&&(o=h[r-p]),s=u[2*r],e.opt_len+=s*(a+o),f&&(e.static_len+=s*(c[2*r+1]+o)));if(0!==g){do{for(a=d-1;0===e.bl_count[a];)a--;e.bl_count[a]--,e.bl_count[a+1]+=2,e.bl_count[d]--,g-=2}while(g>0);for(a=d;0!==a;a--)for(r=e.bl_count[a];0!==r;)(i=e.heap[--n])>l||(u[2*i+1]!==a&&(e.opt_len+=(a-u[2*i+1])*u[2*i],u[2*i+1]=a),r--)}}(e,t),W(a,l,e.bl_count)}function K(e,t,n){var r,i,a=-1,o=t[1],s=0,u=7,l=4;for(0===o&&(u=138,l=3),t[2*(n+1)+1]=65535,r=0;r<=n;r++)i=o,o=t[2*(r+1)+1],++s>=7;r0?(e.strm.data_type===s&&(e.strm.data_type=function(e){var t,n=4093624447;for(t=0;t<=31;t++,n>>>=1)if(1&n&&0!==e.dyn_ltree[2*t])return a;if(0!==e.dyn_ltree[18]||0!==e.dyn_ltree[20]||0!==e.dyn_ltree[26])return 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a=0,o=0;o=i?e[t+o-i]:0,u=t>0?e[t+o-n]:0,l=t>0&&o>=i?e[t+o-(n+i)]:0,c=e[t+o]-r(s,u,l);a+=Math.abs(c)}return a}};t.exports=function(e,t,r,o,s){var u;if("filterType"in o&&-1!==o.filterType){if("number"!=typeof o.filterType)throw new Error("unrecognised filter types");u=[o.filterType]}else u=[0,1,2,3,4];for(var l=t*s,c=0,f=0,h=new n((l+1)*r),p=u[0],d=0;d1)for(var g=1/0,v=0;vi?t[a-r]:0;t[a]=o+s}},o.prototype._unFilterType2=function(e,t,n){for(var r=this._lastLine,i=0;ii?t[o-r]:0,c=Math.floor((l+u)/2);t[o]=s+c}},o.prototype._unFilterType4=function(e,t,n){for(var r=this._xComparison,a=r-1,o=this._lastLine,s=0;sa?t[s-r]:0,f=s>a&&o?o[s-r]:0,h=i(c,l,f);t[s]=u+h}},o.prototype._reverseFilterLine=function(e){var t,r=e[0],i=this._images[this._imageIndex],a=i.byteWidth;if(0===r)t=e.slice(1,a+1);else switch(t=new n(a),r){case 1:this._unFilterType1(e,t,a);break;case 2:this._unFilterType2(e,t,a);break;case 3:this._unFilterType3(e,t,a);break;case 4:this._unFilterType4(e,t,a);break;default:throw new Error("Unrecognised filter type - "+r)}this.write(t),i.lineIndex++,i.lineIndex>=i.height?(this._lastLine=null,this._imageIndex++,i=this._images[this._imageIndex]):this._lastLine=t,i?this.read(i.byteWidth+1,this._reverseFilterLine.bind(this)):(this._lastLine=null,this.complete())}}).call(this,e("buffer").Buffer)},{"./interlace":86,"./paeth-predictor":90,buffer:4}],85:[function(e,t,n){(function(e){"use strict";t.exports=function(t,n){var r=n.depth,i=n.width,a=n.height,o=n.colorType,s=n.transColor,u=n.palette,l=t;return 3===o?function(e,t,n,r,i){for(var a=0,o=0;o0&&f>0&&n.push({width:c,height:f,index:u})}return n},n.getInterlaceIterator=function(e){return function(t,n,i){var a=t%r[i].x.length,o=(t-a)/r[i].x.length*8+r[i].x[a],s=n%r[i].y.length;return 4*o+((n-s)/r[i].y.length*8+r[i].y[s])*e*4}}},{}],87:[function(e,t,n){(function(n){"use strict";var r=e("util"),i=e("stream"),a=e("./constants"),o=e("./packer"),s=t.exports=function(e){i.call(this);var t=e||{};this._packer=new o(t),this._deflate=this._packer.createDeflate(),this.readable=!0};r.inherits(s,i),s.prototype.pack=function(e,t,r,i){this.emit("data",new n(a.PNG_SIGNATURE)),this.emit("data",this._packer.packIHDR(t,r)),i&&this.emit("data",this._packer.packGAMA(i));var o=this._packer.filterData(e,t,r);this._deflate.on("error",this.emit.bind(this,"error")),this._deflate.on("data",function(e){this.emit("data",this._packer.packIDAT(e))}.bind(this)),this._deflate.on("end",function(){this.emit("data",this._packer.packIEND()),this.emit("end")}.bind(this)),this._deflate.end(o)}}).call(this,e("buffer").Buffer)},{"./constants":79,"./packer":89,buffer:4,stream:112,util:135}],88:[function(e,t,n){(function(n){"use strict";var r=!0,i=e("zlib");i.deflateSync||(r=!1);var a=e("./constants"),o=e("./packer");t.exports=function(e,t){if(!r)throw new Error("To use the sync capability of this library in old node versions, please also add a dependency on node-zlb-backport");var s=new o(t||{}),u=[];u.push(new n(a.PNG_SIGNATURE)),u.push(s.packIHDR(e.width,e.height)),e.gamma&&u.push(s.packGAMA(e.gamma));var l=s.filterData(e.data,e.width,e.height),c=i.deflateSync(l,s.getDeflateOptions());if(l=null,!c||!c.length)throw new Error("bad png - invalid compressed data response");return u.push(s.packIDAT(c)),u.push(s.packIEND()),n.concat(u)}}).call(this,e("buffer").Buffer)},{"./constants":79,"./packer":89,buffer:4,zlib:41}],89:[function(e,t,n){(function(n){"use strict";var r=e("./constants"),i=e("./crc"),a=e("./bitpacker"),o=e("./filter-pack"),s=e("zlib"),u=t.exports=function(e){if(this._options=e,e.deflateChunkSize=e.deflateChunkSize||32768,e.deflateLevel=null!=e.deflateLevel?e.deflateLevel:9,e.deflateStrategy=null!=e.deflateStrategy?e.deflateStrategy:3,e.inputHasAlpha=null==e.inputHasAlpha||e.inputHasAlpha,e.deflateFactory=e.deflateFactory||s.createDeflate,e.bitDepth=e.bitDepth||8,e.colorType="number"==typeof e.colorType?e.colorType:r.COLORTYPE_COLOR_ALPHA,e.colorType!==r.COLORTYPE_COLOR&&e.colorType!==r.COLORTYPE_COLOR_ALPHA)throw new Error("option color type:"+e.colorType+" is not supported at present");if(8!==e.bitDepth)throw new Error("option bit depth:"+e.bitDepth+" is not supported at present")};u.prototype.getDeflateOptions=function(){return{chunkSize:this._options.deflateChunkSize,level:this._options.deflateLevel,strategy:this._options.deflateStrategy}},u.prototype.createDeflate=function(){return this._options.deflateFactory(this.getDeflateOptions())},u.prototype.filterData=function(e,t,n){var i=a(e,t,n,this._options),s=r.COLORTYPE_TO_BPP_MAP[this._options.colorType];return o(i,t,n,this._options,s)},u.prototype._packChunk=function(e,t){var r=t?t.length:0,a=new n(r+12);return a.writeUInt32BE(r,0),a.writeUInt32BE(e,4),t&&t.copy(a,8),a.writeInt32BE(i.crc32(a.slice(4,a.length-4)),a.length-4),a},u.prototype.packGAMA=function(e){var t=new n(4);return t.writeUInt32BE(Math.floor(e*r.GAMMA_DIVISION),0),this._packChunk(r.TYPE_gAMA,t)},u.prototype.packIHDR=function(e,t){var i=new n(13);return i.writeUInt32BE(e,0),i.writeUInt32BE(t,4),i[8]=this._options.bitDepth,i[9]=this._options.colorType,i[10]=0,i[11]=0,i[12]=0,this._packChunk(r.TYPE_IHDR,i)},u.prototype.packIDAT=function(e){return this._packChunk(r.TYPE_IDAT,e)},u.prototype.packIEND=function(){return this._packChunk(r.TYPE_IEND,null)}}).call(this,e("buffer").Buffer)},{"./bitpacker":77,"./constants":79,"./crc":80,"./filter-pack":81,buffer:4,zlib:41}],90:[function(e,t,n){"use strict";t.exports=function(e,t,n){var r=e+t-n,i=Math.abs(r-e),a=Math.abs(r-t),o=Math.abs(r-n);return i<=a&&i<=o?e:a<=o?t:n}},{}],91:[function(e,t,n){"use strict";var r=e("util"),i=e("zlib"),a=e("./chunkstream"),o=e("./filter-parse-async"),s=e("./parser"),u=e("./bitmapper"),l=e("./format-normaliser"),c=t.exports=function(e){a.call(this),this._parser=new s(e,{read:this.read.bind(this),error:this._handleError.bind(this),metadata:this._handleMetaData.bind(this),gamma:this.emit.bind(this,"gamma"),palette:this._handlePalette.bind(this),transColor:this._handleTransColor.bind(this),finished:this._finished.bind(this),inflateData:this._inflateData.bind(this)}),this._options=e,this.writable=!0,this._parser.start()};r.inherits(c,a),c.prototype._handleError=function(e){this.emit("error",e),this.writable=!1,this.destroy(),this._inflate&&this._inflate.destroy&&this._inflate.destroy(),this.errord=!0},c.prototype._inflateData=function(e){this._inflate||(this._inflate=i.createInflate(),this._inflate.on("error",this.emit.bind(this,"error")),this._filter.on("complete",this._complete.bind(this)),this._inflate.pipe(this._filter)),this._inflate.write(e)},c.prototype._handleMetaData=function(e){this.emit("metadata",e),this._bitmapInfo=Object.create(e),this._filter=new o(this._bitmapInfo)},c.prototype._handleTransColor=function(e){this._bitmapInfo.transColor=e},c.prototype._handlePalette=function(e){this._bitmapInfo.palette=e},c.prototype._finished=function(){this.errord||(this._inflate?this._inflate.end():this.emit("error","No Inflate block"),this.destroySoon())},c.prototype._complete=function(e){if(!this.errord){try{var t=u.dataToBitMap(e,this._bitmapInfo),n=l(t,this._bitmapInfo);t=null}catch(e){return void this._handleError(e)}this.emit("parsed",n)}}},{"./bitmapper":76,"./chunkstream":78,"./filter-parse-async":82,"./format-normaliser":85,"./parser":93,util:135,zlib:41}],92:[function(e,t,n){(function(n){"use strict";var r=!0,i=e("zlib");i.deflateSync||(r=!1);var a=e("./sync-reader"),o=e("./filter-parse-sync"),s=e("./parser"),u=e("./bitmapper"),l=e("./format-normaliser");t.exports=function(e,t){if(!r)throw new Error("To use the sync capability of this library in old node versions, please also add a dependency on node-zlb-backport");var c,f,h;var p=[];var d=new a(e);if(new s(t,{read:d.read.bind(d),error:function(e){c=e},metadata:function(e){f=e},gamma:function(e){h=e},palette:function(e){f.palette=e},transColor:function(e){f.transColor=e},inflateData:function(e){p.push(e)}}).start(),d.process(),c)throw c;var g=n.concat(p);p.length=0;var v=i.inflateSync(g);if(g=null,!v||!v.length)throw new Error("bad png - invalid inflate data response");var m=o.process(v,f);g=null;var _=u.dataToBitMap(m,f);m=null;var w=l(_,f);return f.data=w,f.gamma=h||0,f}}).call(this,e("buffer").Buffer)},{"./bitmapper":76,"./filter-parse-sync":83,"./format-normaliser":85,"./parser":93,"./sync-reader":96,buffer:4,zlib:41}],93:[function(e,t,n){(function(n){"use strict";var r=e("./constants"),i=e("./crc"),a=t.exports=function(e,t){this._options=e,e.checkCRC=!1!==e.checkCRC,this._hasIHDR=!1,this._hasIEND=!1,this._palette=[],this._colorType=0,this._chunks={},this._chunks[r.TYPE_IHDR]=this._handleIHDR.bind(this),this._chunks[r.TYPE_IEND]=this._handleIEND.bind(this),this._chunks[r.TYPE_IDAT]=this._handleIDAT.bind(this),this._chunks[r.TYPE_PLTE]=this._handlePLTE.bind(this),this._chunks[r.TYPE_tRNS]=this._handleTRNS.bind(this),this._chunks[r.TYPE_gAMA]=this._handleGAMA.bind(this),this.read=t.read,this.error=t.error,this.metadata=t.metadata,this.gamma=t.gamma,this.transColor=t.transColor,this.palette=t.palette,this.parsed=t.parsed,this.inflateData=t.inflateData,this.inflateData=t.inflateData,this.finished=t.finished};a.prototype.start=function(){this.read(r.PNG_SIGNATURE.length,this._parseSignature.bind(this))},a.prototype._parseSignature=function(e){for(var t=r.PNG_SIGNATURE,n=0;nthis._palette.length)return void this.error(new Error("More transparent colors than palette size"));for(var t=0;t0?this._handleIDAT(n):this._handleChunkEnd()},a.prototype._handleIEND=function(e){this.read(e,this._parseIEND.bind(this))},a.prototype._parseIEND=function(e){this._crc.write(e),this._hasIEND=!0,this._handleChunkEnd(),this.finished&&this.finished()}}).call(this,e("buffer").Buffer)},{"./constants":79,"./crc":80,buffer:4}],94:[function(e,t,n){"use strict";var r=e("./parser-sync"),i=e("./packer-sync");n.read=function(e,t){return r(e,t||{})},n.write=function(e){return i(e)}},{"./packer-sync":88,"./parser-sync":92}],95:[function(e,t,n){(function(t,r){"use strict";var i=e("util"),a=e("stream"),o=e("./parser-async"),s=e("./packer-async"),u=e("./png-sync"),l=n.PNG=function(e){a.call(this),e=e||{},this.width=e.width||0,this.height=e.height||0,this.data=this.width>0&&this.height>0?new r(4*this.width*this.height):null,e.fill&&this.data&&this.data.fill(0),this.gamma=0,this.readable=this.writable=!0,this._parser=new o(e),this._parser.on("error",this.emit.bind(this,"error")),this._parser.on("close",this._handleClose.bind(this)),this._parser.on("metadata",this._metadata.bind(this)),this._parser.on("gamma",this._gamma.bind(this)),this._parser.on("parsed",function(e){this.data=e,this.emit("parsed",e)}.bind(this)),this._packer=new s(e),this._packer.on("data",this.emit.bind(this,"data")),this._packer.on("end",this.emit.bind(this,"end")),this._parser.on("close",this._handleClose.bind(this)),this._packer.on("error",this.emit.bind(this,"error"))};i.inherits(l,a),l.sync=u,l.prototype.pack=function(){return this.data&&this.data.length?(t.nextTick(function(){this._packer.pack(this.data,this.width,this.height,this.gamma)}.bind(this)),this):(this.emit("error","No data provided"),this)},l.prototype.parse=function(e,t){var n,r;t&&(n=function(e){this.removeListener("error",r),this.data=e,t(null,this)}.bind(this),r=function(e){this.removeListener("parsed",n),t(e,null)}.bind(this),this.once("parsed",n),this.once("error",r));return this.end(e),this},l.prototype.write=function(e){return this._parser.write(e),!0},l.prototype.end=function(e){this._parser.end(e)},l.prototype._metadata=function(e){this.width=e.width,this.height=e.height,this.emit("metadata",e)},l.prototype._gamma=function(e){this.gamma=e},l.prototype._handleClose=function(){this._parser.writable||this._packer.readable||this.emit("close")},l.bitblt=function(e,t,n,r,i,a,o,s){if(n>e.width||r>e.height||n+i>e.width||r+a>e.height)throw new Error("bitblt reading outside image");if(o>t.width||s>t.height||o+i>t.width||s+a>t.height)throw new Error("bitblt writing outside image");for(var u=0;u0&&this._buffer.length;){var e=this._reads[0];if(!this._buffer.length||!(this._buffer.length>=e.length||e.allowLess))break;this._reads.shift();var t=this._buffer;this._buffer=t.slice(e.length),e.func.call(this,t.slice(0,e.length))}return this._reads.length>0?new Error("There are some read requests waitng on finished stream"):this._buffer.length>0?new Error("unrecognised content at end of stream"):void 0}},{}],97:[function(e,t,n){(function(e){"use strict";!e.version||0===e.version.indexOf("v0.")||0===e.version.indexOf("v1.")&&0!==e.version.indexOf("v1.8.")?t.exports={nextTick:function(t,n,r,i){if("function"!=typeof t)throw new TypeError('"callback" argument must be a function');var a,o,s=arguments.length;switch(s){case 0:case 1:return e.nextTick(t);case 2:return e.nextTick(function(){t.call(null,n)});case 3:return e.nextTick(function(){t.call(null,n,r)});case 4:return e.nextTick(function(){t.call(null,n,r,i)});default:for(a=new Array(s-1),o=0;o1)for(var n=1;n0?d(e):b(e)}(e,t);else if(t.objectMode||r&&r.length>0)if(t.ended&&!o){var u=new Error("stream.push() after EOF");e.emit("error",u)}else if(t.endEmitted&&o){u=new Error("stream.unshift() after end event");e.emit("error",u)}else!t.decoder||o||a||(r=t.decoder.write(r)),t.length+=t.objectMode?1:r.length,o?t.buffer.unshift(r):(t.reading=!1,t.buffer.push(r)),t.needReadable&&d(e),function(e,t){t.readingMore||(t.readingMore=!0,n.nextTick(function(){!function(e,t){var n=t.length;for(;!t.reading&&!t.flowing&&!t.ended&&t.lengtht.highWaterMark&&(t.highWaterMark=function(e){if(e>=h)e=h;else{e--;for(var t=1;t<32;t<<=1)e|=e>>t;e++}return e}(e)),e>t.length?t.ended?t.length:(t.needReadable=!0,0):e)}function d(e){var t=e._readableState;t.needReadable=!1,t.emittedReadable||(t.emittedReadable=!0,t.sync?n.nextTick(function(){g(e)}):g(e))}function g(e){e.emit("readable")}function v(e){var t,n=e._readableState;function r(e,r,i){!1===e.write(t)&&n.awaitDrain++}for(n.awaitDrain=0;n.pipesCount&&null!==(t=e.read());)if(1===n.pipesCount?r(n.pipes):y(n.pipes,r),e.emit("data",t),n.awaitDrain>0)return;if(0===n.pipesCount)return n.flowing=!1,void(a.listenerCount(e,"data")>0&&_(e));n.ranOut=!0}function m(){this._readableState.ranOut&&(this._readableState.ranOut=!1,v(this))}function _(e,t){if(e._readableState.flowing)throw new Error("Cannot switch to old mode now.");var r=t||!1,i=!1;e.readable=!0,e.pipe=s.prototype.pipe,e.on=e.addListener=s.prototype.on,e.on("readable",function(){var t;for(i=!0;!r&&null!==(t=e.read());)e.emit("data",t);null===t&&(i=!1,e._readableState.needReadable=!0)}),e.pause=function(){r=!0,this.emit("pause")},e.resume=function(){r=!1,i?n.nextTick(function(){e.emit("readable")}):this.read(0),this.emit("resume")},e.emit("readable")}function w(e,t){var n,r=t.buffer,a=t.length,o=!!t.decoder,s=!!t.objectMode;if(0===r.length)return null;if(0===a)n=null;else if(s)n=r.shift();else if(!e||e>=a)n=o?r.join(""):i.concat(r,a),r.length=0;else{if(e0)throw new Error("endReadable called on non-empty stream");!t.endEmitted&&t.calledRead&&(t.ended=!0,n.nextTick(function(){t.endEmitted||0!==t.length||(t.endEmitted=!0,e.readable=!1,e.emit("end"))}))}function y(e,t){for(var n=0,r=e.length;n0)&&(t.emittedReadable=!1),0===e&&t.needReadable&&(t.length>=t.highWaterMark||t.ended))return d(this),null;if(0===(e=p(e,t))&&t.ended)return n=null,t.length>0&&t.decoder&&(n=w(e,t),t.length-=n.length),0===t.length&&b(this),n;var i=t.needReadable;return t.length-e<=t.highWaterMark&&(i=!0),(t.ended||t.reading)&&(i=!1),i&&(t.reading=!0,t.sync=!0,0===t.length&&(t.needReadable=!0),this._read(t.highWaterMark),t.sync=!1),i&&!t.reading&&(e=p(r,t)),null===(n=e>0?w(e,t):null)&&(t.needReadable=!0,e=0),t.length-=e,0!==t.length||t.ended||(t.needReadable=!0),t.ended&&!t.endEmitted&&0===t.length&&b(this),n},c.prototype._read=function(e){this.emit("error",new Error("not implemented"))},c.prototype.pipe=function(e,t){var i=this,o=this._readableState;switch(o.pipesCount){case 0:o.pipes=e;break;case 1:o.pipes=[o.pipes,e];break;default:o.pipes.push(e)}o.pipesCount+=1;var s=(!t||!1!==t.end)&&e!==n.stdout&&e!==n.stderr?l:f;function u(e){e===i&&f()}function l(){e.end()}o.endEmitted?n.nextTick(s):i.once("end",s),e.on("unpipe",u);var c=function(e){return function(){var t=e._readableState;t.awaitDrain--,0===t.awaitDrain&&v(e)}}(i);function f(){e.removeListener("close",p),e.removeListener("finish",d),e.removeListener("drain",c),e.removeListener("error",h),e.removeListener("unpipe",u),i.removeListener("end",l),i.removeListener("end",f),e._writableState&&!e._writableState.needDrain||c()}function h(t){g(),e.removeListener("error",h),0===a.listenerCount(e,"error")&&e.emit("error",t)}function p(){e.removeListener("finish",d),g()}function d(){e.removeListener("close",p),g()}function g(){i.unpipe(e)}return e.on("drain",c),e._events&&e._events.error?r(e._events.error)?e._events.error.unshift(h):e._events.error=[h,e._events.error]:e.on("error",h),e.once("close",p),e.once("finish",d),e.emit("pipe",i),o.flowing||(this.on("readable",m),o.flowing=!0,n.nextTick(function(){v(i)})),e},c.prototype.unpipe=function(e){var t=this._readableState;if(0===t.pipesCount)return this;if(1===t.pipesCount)return e&&e!==t.pipes?this:(e||(e=t.pipes),t.pipes=null,t.pipesCount=0,this.removeListener("readable",m),t.flowing=!1,e&&e.emit("unpipe",this),this);if(!e){var n=t.pipes,r=t.pipesCount;t.pipes=null,t.pipesCount=0,this.removeListener("readable",m),t.flowing=!1;for(var i=0;i0&&!e[o-1];)o--;a.push({children:[],index:0});var s,u=a[0];for(n=0;n0;)u=a.pop();for(u.index++,a.push(u);a.length<=n;)a.push(s={children:[],index:0}),u.children[u.index]=s.children,u=s;i++}n+10)return p>>--d&1;if(255==(p=t[n++])){var e=t[n++];if(e)throw"unexpected marker: "+(p<<8|e).toString(16)}return d=7,p>>>7}function v(e){for(var t,n=e;null!==(t=g());){if("number"==typeof(n=n[t]))return n;if("object"!=typeof n)throw"invalid huffman sequence"}return null}function m(e){for(var t=0;e>0;){var n=g();if(null===n)return;t=t<<1|n,e--}return t}function _(e){var t=m(e);return t>=1<0)w--;else for(var r=o,i=s;r<=i;){var a=v(t.huffmanTableAC),u=15&a,c=a>>4;if(0!==u)n[e[r+=c]]=_(u)*(1<>4,0===f)a<15?(w=m(a)+(1<>4;if(0!==s)n[e[a+=u]]=_(s),a++;else{if(u<15)break;a+=16}}};var R,B,L,C,O=0;for(B=1==j?i[0].blocksPerLine*i[0].blocksPerColumn:c*r.mcusPerColumn,a||(a=B);O=65488&&R<=65495))break;n+=2}return n-h}function h(e,l){var c,f,h=[],p=l.blocksPerLine,d=l.blocksPerColumn,g=p<<3,v=new Int32Array(64),m=new Uint8Array(64);function _(e,c,f){var h,p,d,g,v,m,_,w,b,y,x=l.quantizationTable,k=f;for(y=0;y<64;y++)k[y]=e[y]*x[y];for(y=0;y<8;++y){var E=8*y;0!=k[1+E]||0!=k[2+E]||0!=k[3+E]||0!=k[4+E]||0!=k[5+E]||0!=k[6+E]||0!=k[7+E]?(h=s*k[0+E]+128>>8,p=s*k[4+E]+128>>8,d=k[2+E],g=k[6+E],v=u*(k[1+E]-k[7+E])+128>>8,w=u*(k[1+E]+k[7+E])+128>>8,m=k[3+E]<<4,_=k[5+E]<<4,b=h-p+1>>1,h=h+p+1>>1,p=b,b=d*o+g*a+128>>8,d=d*a-g*o+128>>8,g=b,b=v-_+1>>1,v=v+_+1>>1,_=b,b=w+m+1>>1,m=w-m+1>>1,w=b,b=h-g+1>>1,h=h+g+1>>1,g=b,b=p-d+1>>1,p=p+d+1>>1,d=b,b=v*i+w*r+2048>>12,v=v*r-w*i+2048>>12,w=b,b=m*n+_*t+2048>>12,m=m*t-_*n+2048>>12,_=b,k[0+E]=h+w,k[7+E]=h-w,k[1+E]=p+_,k[6+E]=p-_,k[2+E]=d+m,k[5+E]=d-m,k[3+E]=g+v,k[4+E]=g-v):(b=s*k[0+E]+512>>10,k[0+E]=b,k[1+E]=b,k[2+E]=b,k[3+E]=b,k[4+E]=b,k[5+E]=b,k[6+E]=b,k[7+E]=b)}for(y=0;y<8;++y){var S=y;0!=k[8+S]||0!=k[16+S]||0!=k[24+S]||0!=k[32+S]||0!=k[40+S]||0!=k[48+S]||0!=k[56+S]?(h=s*k[0+S]+2048>>12,p=s*k[32+S]+2048>>12,d=k[16+S],g=k[48+S],v=u*(k[8+S]-k[56+S])+2048>>12,w=u*(k[8+S]+k[56+S])+2048>>12,m=k[24+S],_=k[40+S],b=h-p+1>>1,h=h+p+1>>1,p=b,b=d*o+g*a+2048>>12,d=d*a-g*o+2048>>12,g=b,b=v-_+1>>1,v=v+_+1>>1,_=b,b=w+m+1>>1,m=w-m+1>>1,w=b,b=h-g+1>>1,h=h+g+1>>1,g=b,b=p-d+1>>1,p=p+d+1>>1,d=b,b=v*i+w*r+2048>>12,v=v*r-w*i+2048>>12,w=b,b=m*n+_*t+2048>>12,m=m*t-_*n+2048>>12,_=b,k[0+S]=h+w,k[56+S]=h-w,k[8+S]=p+_,k[48+S]=p-_,k[16+S]=d+m,k[40+S]=d-m,k[24+S]=g+v,k[32+S]=g-v):(b=s*f[y+0]+8192>>14,k[0+S]=b,k[8+S]=b,k[16+S]=b,k[24+S]=b,k[32+S]=b,k[40+S]=b,k[48+S]=b,k[56+S]=b)}for(y=0;y<64;++y){var A=128+(k[y]+8>>4);c[y]=A<0?0:A>255?255:A}}for(var w=0;w255?255:e}return l.prototype={load:function(e){var t=new XMLHttpRequest;t.open("GET",e,!0),t.responseType="arraybuffer",t.onload=function(){var e=new 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L=t[n++],C=[];for(P=0;P>4],U.huffmanTableAC=g[15&O],C.push(U)}var z=t[n++],D=t[n++],F=t[n++],N=f(t,n,o,C,s,z,D,F>>4,15&F);n+=N;break;default:if(255==t[n-3]&&t[n-2]>=192&&t[n-2]<=254){n-=3;break}throw"unknown JPEG marker "+m.toString(16)}m=r()}if(1!=d.length)throw"only single frame JPEGs supported";this.width=o.samplesPerLine,this.height=o.scanLines,this.jfif=u,this.adobe=l,this.components=[];for(var P=0;P=0;)t&1<>8&255),O(255&e)}function D(e,t,n,r,i){var a,o=i[0],s=i[240];for(var u=function(e,t){var n,r,i,a,o,s,u,l,c,f,h=0;for(c=0;c<8;++c){n=e[h],r=e[h+1],i=e[h+2],a=e[h+3],o=e[h+4],s=e[h+5],u=e[h+6];var p=n+(l=e[h+7]),g=n-l,v=r+u,m=r-u,_=i+s,w=i-s,b=a+o,y=a-o,x=p+b,k=p-b,E=v+_,S=v-_;e[h]=x+E,e[h+4]=x-E;var A=.707106781*(S+k);e[h+2]=k+A,e[h+6]=k-A;var M=.382683433*((x=y+w)-(S=m+g)),T=.5411961*x+M,I=1.306562965*S+M,j=.707106781*(E=w+m),R=g+j,B=g-j;e[h+5]=B+T,e[h+3]=B-T,e[h+1]=R+I,e[h+7]=R-I,h+=8}for(h=0,c=0;c<8;++c){n=e[h],r=e[h+8],i=e[h+16],a=e[h+24],o=e[h+32],s=e[h+40],u=e[h+48];var 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r=s((t[n]*e+50)/100);r<1?r=1:r>255&&(r=255),u[E[n]]=r}for(var i=[17,18,24,47,99,99,99,99,18,21,26,66,99,99,99,99,24,26,56,99,99,99,99,99,47,66,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99],a=0;a<64;a++){var o=s((i[a]*e+50)/100);o<1?o=1:o>255&&(o=255),l[E[a]]=o}for(var h=[1,1.387039845,1.306562965,1.175875602,1,.785694958,.5411961,.275899379],p=0,d=0;d<8;d++)for(var g=0;g<8;g++)c[p]=1/(u[E[p]]*h[d]*h[g]*8),f[p]=1/(l[E[p]]*h[d]*h[g]*8),p++})(e<50?Math.floor(5e3/e):Math.floor(200-2*e)),o=e}}this.encode=function(t,o){(new Date).getTime();o&&F(o),v=new Array,m=0,_=7,z(65496),z(65504),z(16),O(74),O(70),O(73),O(70),O(0),O(1),O(1),O(0),z(1),z(1),O(0),O(0),function(){z(65499),z(132),O(0);for(var e=0;e<64;e++)O(u[e]);O(1);for(var t=0;t<64;t++)O(l[t])}(),function(e,t){z(65472),z(17),O(8),z(t),z(e),O(3),O(1),O(17),O(0),O(2),O(17),O(1),O(3),O(17),O(1)}(t.width,t.height),function(){z(65476),z(418),O(0);for(var e=0;e<16;e++)O(S[e+1]);for(var t=0;t<=11;t++)O(A[t]);O(16);for(var n=0;n<16;n++)O(M[n+1]);for(var r=0;r<=161;r++)O(T[r]);O(1);for(var i=0;i<16;i++)O(I[i+1]);for(var a=0;a<=11;a++)O(j[a]);O(17);for(var o=0;o<16;o++)O(R[o+1]);for(var s=0;s<=161;s++)O(B[s])}(),z(65498),z(12),O(3),O(1),O(0),O(2),O(17),O(3),O(17),O(0),O(63),O(0);var s=0,h=0,p=0;m=0,_=7,this.encode.displayName="_encode_";for(var d,g,x,E,L,N,P,U,q,V=t.data,Z=t.width,W=t.height,G=4*Z,H=0;H>3)*G+(P=4*(7&q)),H+U>=W&&(N-=G*(H+1+U-W)),d+P>=G&&(N-=d+P-G+4),g=V[N++],x=V[N++],E=V[N++],w[q]=(k[g]+k[x+256>>0]+k[E+512>>0]>>16)-128,b[q]=(k[g+768>>0]+k[x+1024>>0]+k[E+1280>>0]>>16)-128,y[q]=(k[g+1280>>0]+k[x+1536>>0]+k[E+1792>>0]>>16)-128;s=D(w,c,s,n,i),h=D(b,f,h,r,a),p=D(y,f,p,r,a),d+=32}H+=8}if(_>=0){var Y=[];Y[1]=_+1,Y[0]=(1<<_+1)-1,C(Y)}return z(65497),new e(v)},function(){(new Date).getTime();t||(t=50),function(){for(var e=String.fromCharCode,t=0;t<256;t++)x[t]=e(t)}(),n=L(S,A),r=L(I,j),i=L(M,T),a=L(R,B),function(){for(var e=1,t=2,n=1;n<=15;n++){for(var r=e;r>0]=38470*e,k[e+512>>0]=7471*e+32768,k[e+768>>0]=-11059*e,k[e+1024>>0]=-21709*e,k[e+1280>>0]=32768*e+8421375,k[e+1536>>0]=-27439*e,k[e+1792>>0]=-5329*e}(),F(t),(new Date).getTime()}()}t.exports=function(e,t){void 0===t&&(t=50);return{data:new n(t).encode(e,t),width:e.width,height:e.height}}}).call(this,e("buffer").Buffer)},{buffer:4}],111:[function(e,t,n){(function(n){"use strict";var r=e("contentstream"),i=e("gif-encoder"),a=e("jpeg-js"),o=e("pngjs-nozlib").PNG,s=e("ndarray"),u=e("ndarray-ops"),l=e("through");function c(e,t,n){if(4===e.shape.length)return c(e.pick(n),t,0);if(3===e.shape.length)if(3===e.shape[2])u.assign(s(t,[e.shape[0],e.shape[1],3],[4,4*e.shape[0],1]),e),u.assigns(s(t,[e.shape[0]*e.shape[1]],[4],3),255);else if(4===e.shape[2])u.assign(s(t,[e.shape[0],e.shape[1],4],[4,4*e.shape[0],1]),e);else{if(1!==e.shape[2])return new Error("Incompatible array shape");u.assign(s(t,[e.shape[0],e.shape[1],3],[4,4*e.shape[0],1]),s(e.data,[e.shape[0],e.shape[1],3],[e.stride[0],e.stride[1],0],e.offset)),u.assigns(s(t,[e.shape[0]*e.shape[1]],[4],3),255)}else{if(2!==e.shape.length)return new Error("Incompatible array shape");u.assign(s(t,[e.shape[0],e.shape[1],3],[4,4*e.shape[0],1]),s(e.data,[e.shape[0],e.shape[1],3],[e.stride[0],e.stride[1],0],e.offset)),u.assigns(s(t,[e.shape[0]*e.shape[1]],[4],3),255)}return t}function f(e){var t=l();return t.emit("error",e),t}t.exports=function(e,t,s){switch(s=s||{},t.toUpperCase()){case"JPG":case".JPG":case"JPEG":case".JPEG":case"JPE":case".JPE":var u=e.shape[0],l=e.shape[1],h={data:g=c(e,g=new n(u*l*4)),width:u,height:l},p=a.encode(h,s.quality);return new r(p.data);case"GIF":case".GIF":var d=4===e.shape.length?e.shape[0]:1,g=(u=4===e.shape.length?e.shape[1]:e.shape[0],l=4===e.shape.length?e.shape[2]:e.shape[1],new n(u*l*4)),v=new i(u,l);v.writeHeader();for(var m=0;m0?("string"==typeof t||o.objectMode||Object.getPrototypeOf(t)===l.prototype||(t=function(e){return l.from(e)}(t)),r?o.endEmitted?e.emit("error",new Error("stream.unshift() after end event")):y(e,o,t,!0):o.ended?e.emit("error",new Error("stream.push() after EOF")):(o.reading=!1,o.decoder&&!n?(t=o.decoder.write(t),o.objectMode||0!==t.length?y(e,o,t,!1):A(e,o)):y(e,o,t,!1))):r||(o.reading=!1));return function(e){return!e.ended&&(e.needReadable||e.lengtht.highWaterMark&&(t.highWaterMark=function(e){return e>=x?e=x:(e--,e|=e>>>1,e|=e>>>2,e|=e>>>4,e|=e>>>8,e|=e>>>16,e++),e}(e)),e<=t.length?e:t.ended?t.length:(t.needReadable=!0,0))}function E(e){var t=e._readableState;t.needReadable=!1,t.emittedReadable||(p("emitReadable",t.flowing),t.emittedReadable=!0,t.sync?i.nextTick(S,e):S(e))}function S(e){p("emit readable"),e.emit("readable"),j(e)}function A(e,t){t.readingMore||(t.readingMore=!0,i.nextTick(M,e,t))}function M(e,t){for(var n=t.length;!t.reading&&!t.flowing&&!t.ended&&t.length=t.length?(n=t.decoder?t.buffer.join(""):1===t.buffer.length?t.buffer.head.data:t.buffer.concat(t.length),t.buffer.clear()):n=function(e,t,n){var r;ea.length?a.length:e;if(o===a.length?i+=a:i+=a.slice(0,e),0===(e-=o)){o===a.length?(++r,n.next?t.head=n.next:t.head=t.tail=null):(t.head=n,n.data=a.slice(o));break}++r}return t.length-=r,i}(e,t):function(e,t){var n=l.allocUnsafe(e),r=t.head,i=1;r.data.copy(n),e-=r.data.length;for(;r=r.next;){var a=r.data,o=e>a.length?a.length:e;if(a.copy(n,n.length-e,0,o),0===(e-=o)){o===a.length?(++i,r.next?t.head=r.next:t.head=t.tail=null):(t.head=r,r.data=a.slice(o));break}++i}return t.length-=i,n}(e,t);return r}(e,t.buffer,t.decoder),n);var n}function B(e){var t=e._readableState;if(t.length>0)throw new Error('"endReadable()" called on non-empty stream');t.endEmitted||(t.ended=!0,i.nextTick(L,t,e))}function L(e,t){e.endEmitted||0!==e.length||(e.endEmitted=!0,t.readable=!1,t.emit("end"))}function 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Select or drag in an image to overlay.

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1.0;\n\tif(distance != 0.0){\n\t\ttheta = atan(distance);\n\t}\n\tvec2 vMapping = theta * vPosition.xy;\n\tvMapping = GLCoord2TextureCoord(vMapping);\n\t\t\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],19:[function(t,e,n){e.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec3 uLensS;\nuniform vec2 uLensF;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord * vec2(1.0, -1.0)/ 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tfloat scale = uLensS.z;\n\tvec3 vPos = vPosition;\n\tfloat Fx = uLensF.x;\n\tfloat Fy = uLensF.y;\n\tvec2 vMapping = vPos.xy;\n\tvMapping.x = vMapping.x + ((pow(vPos.y, 2.0)/scale)*vPos.x/scale)*-Fx;\n\tvMapping.y = vMapping.y + ((pow(vPos.x, 2.0)/scale)*vPos.y/scale)*-Fy;\n\tvMapping = vMapping * uLensS.xy;\n\tvMapping = GLCoord2TextureCoord(vMapping/scale);\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t}\n\tgl_FragColor = texture;\n}\n"},{}],20:[function(t,e,n){e.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec4 uLens;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 TextureCoord2GLCoord(vec2 textureCoord) {\n\treturn (textureCoord - vec2(0.5, 0.5)) * 2.0;\n}\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord / 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tvec2 vMapping = vec2(vTextureCoord.x, 1.0 - vTextureCoord.y);\n\tvMapping = TextureCoord2GLCoord(vMapping);\n\t//TODO insert Code\n\tfloat F = uLens.x/ uLens.w;\n\tfloat seta = length(vMapping) / F;\n\tvMapping = sin(seta) * F / length(vMapping) * vMapping;\n\tvMapping *= uLens.w * 1.414;\n\tvMapping = GLCoord2TextureCoord(vMapping);\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],21:[function(t,e,n){e.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nuniform vec4 uLens;\nuniform vec2 uFov;\nuniform sampler2D uSampler;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvec2 TextureCoord2GLCoord(vec2 textureCoord) {\n\treturn (textureCoord - vec2(0.5, 0.5)) * 2.0;\n}\nvec2 GLCoord2TextureCoord(vec2 glCoord) {\n\treturn glCoord / 2.0 + vec2(0.5, 0.5);\n}\nvoid main(void){\n\tvec2 vMapping = vec2(vTextureCoord.x, 1.0 - vTextureCoord.y);\n\tvMapping = TextureCoord2GLCoord(vMapping);\n\t//TOD insert Code\n\tfloat F = uLens.x/ uLens.w;\n\tfloat seta = length(vMapping) / F;\n\tvMapping = sin(seta) * F / length(vMapping) * vMapping;\n\tvMapping *= uLens.w * 1.414;\n\tvMapping = GLCoord2TextureCoord(vMapping);\n\tvec4 texture = texture2D(uSampler, vMapping);\n\tif(vMapping.x > 0.99 || vMapping.x < 0.01 || vMapping.y > 0.99 || vMapping.y < 0.01){\n\t\ttexture = vec4(0.0, 0.0, 0.0, 1.0);\n\t} \n\tgl_FragColor = texture;\n}\n"},{}],22:[function(t,e,n){e.exports="#ifdef GL_ES\nprecision highp float;\n#endif\nattribute vec3 aVertexPosition;\nattribute vec2 aTextureCoord;\nvarying vec3 vPosition;\nvarying vec2 vTextureCoord;\nvoid main(void){\n\tvPosition = aVertexPosition;\n\tvTextureCoord = aTextureCoord;\n\tgl_Position = vec4(vPosition,1.0);\n}\n"},{}],23:[function(t,e,n){(function(n,r){"use strict";var i=t("path"),a=t("ndarray"),o=t("omggif").GifReader,s=(t("ndarray-pack"),t("through"),t("data-uri-to-buffer"));function u(t,e){var n;try{n=new o(t)}catch(t){return void e(t)}if(n.numFrames()>0){var r=[n.numFrames(),n.height,n.width,4],i=new Uint8Array(r[0]*r[1]*r[2]*r[3]),s=a(i,r);try{for(var 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n=0,r=0;r>16,n=(65280&t)>>8,r=255&t,i=0,a=16777216,o=this.colorTab.length,s=0;s=0&&(e=7&dispose),e<<=2,this.writeByte(0|e|t),this.writeShort(this.delay),this.writeByte(this.transIndex),this.writeByte(0)},u.prototype.writeImageDesc=function(){this.writeByte(44),this.writeShort(0),this.writeShort(0),this.writeShort(this.width),this.writeShort(this.height),this.firstFrame?this.writeByte(0):this.writeByte(128|this.palSize)},u.prototype.writeLSD=function(){this.writeShort(this.width),this.writeShort(this.height),this.writeByte(240|this.palSize),this.writeByte(0),this.writeByte(0)},u.prototype.writeNetscapeExt=function(){this.writeByte(33),this.writeByte(255),this.writeByte(11),this.writeUTFBytes("NETSCAPE2.0"),this.writeByte(3),this.writeByte(1),this.writeShort(this.repeat),this.writeByte(0)},u.prototype.writePalette=function(){this.writeBytes(this.colorTab);for(var t=768-this.colorTab.length,e=0;e>8&255)},u.prototype.writePixels=function(){new 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i=this,o=this._readableState;switch(o.pipesCount){case 0:o.pipes=t;break;case 1:o.pipes=[o.pipes,t];break;default:o.pipes.push(t)}o.pipesCount+=1,l("pipe count=%d opts=%j",o.pipesCount,e);var s=(!e||!1!==e.end)&&t!==n.stdout&&t!==n.stderr?c:h;function u(t){l("onunpipe"),t===i&&h()}function c(){l("onend"),t.end()}o.endEmitted?n.nextTick(s):i.once("end",s),t.on("unpipe",u);var f=function(t){return function(){var e=t._readableState;l("pipeOnDrain",e.awaitDrain),e.awaitDrain&&e.awaitDrain--,0===e.awaitDrain&&a.listenerCount(t,"data")&&(e.flowing=!0,m(t))}}(i);function h(){l("cleanup"),t.removeListener("close",g),t.removeListener("finish",v),t.removeListener("drain",f),t.removeListener("error",d),t.removeListener("unpipe",u),i.removeListener("end",c),i.removeListener("end",h),i.removeListener("data",p),!o.awaitDrain||t._writableState&&!t._writableState.needDrain||f()}function p(e){l("ondata"),!1===t.write(e)&&(l("false write response, 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t.strategy&&(l=t.strategy),this._handle.init(t.windowBits||n.Z_DEFAULT_WINDOWBITS,u,t.memLevel||n.Z_DEFAULT_MEMLEVEL,l,t.dictionary),this._buffer=r.allocUnsafe(this._chunkSize),this._offset=0,this._level=u,this._strategy=l,this.once("end",this.close),Object.defineProperty(this,"_closed",{get:function(){return!o._handle},configurable:!0,enumerable:!0})}function T(t,n){n&&e.nextTick(n),t._handle&&(t._handle.close(),t._handle=null)}function j(t){t.emit("close")}Object.defineProperty(n,"codes",{enumerable:!0,value:Object.freeze(p),writable:!1}),n.Deflate=w,n.Inflate=b,n.Gzip=y,n.Gunzip=x,n.DeflateRaw=k,n.InflateRaw=E,n.Unzip=S,n.createDeflate=function(t){return new w(t)},n.createInflate=function(t){return new b(t)},n.createDeflateRaw=function(t){return new k(t)},n.createInflateRaw=function(t){return new E(t)},n.createGzip=function(t){return new y(t)},n.createGunzip=function(t){return new x(t)},n.createUnzip=function(t){return new S(t)},n.deflate=function(t,e,n){return"function"==typeof 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i.status=q;if(i.status===q)if(i.gzhead.comment){o=i.pending;do{if(i.pending===i.pending_buf_size&&(i.gzhead.hcrc&&i.pending>o&&(t.adler=s(t.adler,i.pending_buf,i.pending-o,o)),tt(t),o=i.pending,i.pending===i.pending_buf_size)){u=1;break}u=i.gzindexo&&(t.adler=s(t.adler,i.pending_buf,i.pending-o,o)),0===u&&(i.status=V)}else i.status=V;if(i.status===V&&(i.gzhead.hcrc?(i.pending+2>i.pending_buf_size&&tt(t),i.pending+2<=i.pending_buf_size&&(nt(i,255&t.adler),nt(i,t.adler>>8&255),t.adler=0,i.status=Z)):i.status=Z),0!==i.pending){if(tt(t),0===t.avail_out)return i.last_flush=-1,d}else if(0===t.avail_in&&K(e)<=K(n)&&e!==h)return J(t,_);if(i.status===W&&0!==t.avail_in)return J(t,_);if(0!==t.avail_in||0!==i.lookahead||e!==l&&i.status!==W){var w=i.strategy===y?function(t,e){for(var n;;){if(0===t.lookahead&&(at(t),0===t.lookahead)){if(e===l)return G;break}if(t.match_length=0,n=a._tr_tally(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++,n&&(et(t,!1),0===t.strm.avail_out))return G}return t.insert=0,e===h?(et(t,!0),0===t.strm.avail_out?Y:$):t.last_lit&&(et(t,!1),0===t.strm.avail_out)?G:H}(i,e):i.strategy===x?function(t,e){for(var n,r,i,o,s=t.window;;){if(t.lookahead<=z){if(at(t),t.lookahead<=z&&e===l)return G;if(0===t.lookahead)break}if(t.match_length=0,t.lookahead>=O&&t.strstart>0&&(r=s[i=t.strstart-1])===s[++i]&&r===s[++i]&&r===s[++i]){o=t.strstart+z;do{}while(r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&r===s[++i]&&it.lookahead&&(t.match_length=t.lookahead)}if(t.match_length>=O?(n=a._tr_tally(t,1,t.match_length-O),t.lookahead-=t.match_length,t.strstart+=t.match_length,t.match_length=0):(n=a._tr_tally(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++),n&&(et(t,!1),0===t.strm.avail_out))return G}return t.insert=0,e===h?(et(t,!0),0===t.strm.avail_out?Y:$):t.last_lit&&(et(t,!1),0===t.strm.avail_out)?G:H}(i,e):r[i.level].func(i,e);if(w!==Y&&w!==$||(i.status=W),w===G||w===Y)return 0===t.avail_out&&(i.last_flush=-1),d;if(w===H&&(e===c?a._tr_align(i):e!==p&&(a._tr_stored_block(i,0,0,!1),e===f&&(Q(i.head),0===i.lookahead&&(i.strstart=0,i.block_start=0,i.insert=0))),tt(t),0===t.avail_out))return i.last_flush=-1,d}return e!==h?d:i.wrap<=0?g:(2===i.wrap?(nt(i,255&t.adler),nt(i,t.adler>>8&255),nt(i,t.adler>>16&255),nt(i,t.adler>>24&255),nt(i,255&t.total_in),nt(i,t.total_in>>8&255),nt(i,t.total_in>>16&255),nt(i,t.total_in>>24&255)):(rt(i,t.adler>>>16),rt(i,65535&t.adler)),tt(t),i.wrap>0&&(i.wrap=-i.wrap),0!==i.pending?d:g)},n.deflateEnd=function(t){var e;return t&&t.state?(e=t.state.status)!==N&&e!==P&&e!==U&&e!==q&&e!==V&&e!==Z&&e!==W?J(t,v):(t.state=null,e===Z?J(t,m):d):v},n.deflateSetDictionary=function(t,e){var n,r,a,s,u,l,c,f,h=e.length;if(!t||!t.state)return v;if(2===(s=(n=t.state).wrap)||1===s&&n.status!==N||n.lookahead)return v;for(1===s&&(t.adler=o(t.adler,e,h,0)),n.wrap=0,h>=n.w_size&&(0===s&&(Q(n.head),n.strstart=0,n.block_start=0,n.insert=0),f=new i.Buf8(n.w_size),i.arraySet(f,e,h-n.w_size,n.w_size,0),e=f,h=n.w_size),u=t.avail_in,l=t.next_in,c=t.input,t.avail_in=h,t.next_in=0,t.input=e,at(n);n.lookahead>=O;){r=n.strstart,a=n.lookahead-(O-1);do{n.ins_h=(n.ins_h<>>=b=w>>>24,d-=b,0===(b=w>>>16&255))A[a++]=65535&w;else{if(!(16&b)){if(0==(64&b)){w=g[(65535&w)+(p&(1<>>=b,d-=b),d<15&&(p+=S[r++]<>>=b=w>>>24,d-=b,!(16&(b=w>>>16&255))){if(0==(64&b)){w=v[(65535&w)+(p&(1<u){t.msg="invalid distance too far back",n.mode=30;break t}if(p>>>=b,d-=b,x>(b=a-o)){if((b=x-b)>c&&n.sane){t.msg="invalid distance too far back",n.mode=30;break t}if(k=0,E=h,0===f){if(k+=l-b,b2;)A[a++]=E[k++],A[a++]=E[k++],A[a++]=E[k++],y-=3;y&&(A[a++]=E[k++],y>1&&(A[a++]=E[k++]))}else{k=a-x;do{A[a++]=A[k++],A[a++]=A[k++],A[a++]=A[k++],y-=3}while(y>2);y&&(A[a++]=A[k++],y>1&&(A[a++]=A[k++]))}break}}break}}while(r>3,p&=(1<<(d-=y<<3))-1,t.next_in=r,t.next_out=a,t.avail_in=r>>24&255)+(t>>>8&65280)+((65280&t)<<8)+((255&t)<<24)}function it(t){var e;return t&&t.state?(e=t.state,t.total_in=t.total_out=e.total=0,t.msg="",e.wrap&&(t.adler=1&e.wrap),e.mode=x,e.last=0,e.havedict=0,e.dmax=32768,e.head=null,e.hold=0,e.bits=0,e.lencode=e.lendyn=new r.Buf32(tt),e.distcode=e.distdyn=new r.Buf32(et),e.sane=1,e.back=-1,d):m}function at(t){var e;return t&&t.state?((e=t.state).wsize=0,e.whave=0,e.wnext=0,it(t)):m}function ot(t,e){var n,r;return t&&t.state?(r=t.state,e<0?(n=0,e=-e):(n=1+(e>>4),e<48&&(e&=15)),e&&(e<8||e>15)?m:(null!==r.window&&r.wbits!==e&&(r.window=null),r.wrap=n,r.wbits=e,at(t))):m}function st(t,e){var n,i;return t?(i=new function(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new r.Buf16(320),this.work=new r.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0},t.state=i,i.window=null,(n=ot(t,e))!==d&&(t.state=null),n):m}var ut,lt,ct=!0;function ft(t){if(ct){var e;for(ut=new r.Buf32(512),lt=new r.Buf32(32),e=0;e<144;)t.lens[e++]=8;for(;e<256;)t.lens[e++]=9;for(;e<280;)t.lens[e++]=7;for(;e<288;)t.lens[e++]=8;for(s(l,t.lens,0,288,ut,0,t.work,{bits:9}),e=0;e<32;)t.lens[e++]=5;s(c,t.lens,0,32,lt,0,t.work,{bits:5}),ct=!1}t.lencode=ut,t.lenbits=9,t.distcode=lt,t.distbits=5}function ht(t,e,n,i){var a,o=t.state;return null===o.window&&(o.wsize=1<=o.wsize?(r.arraySet(o.window,e,n-o.wsize,o.wsize,0),o.wnext=0,o.whave=o.wsize):((a=o.wsize-o.wnext)>i&&(a=i),r.arraySet(o.window,e,n-i,a,o.wnext),(i-=a)?(r.arraySet(o.window,e,n-i,i,0),o.wnext=i,o.whave=o.wsize):(o.wnext+=a,o.wnext===o.wsize&&(o.wnext=0),o.whave>>8&255,n.check=a(n.check,Mt,2,0),st=0,ut=0,n.mode=k;break}if(n.flags=0,n.head&&(n.head.done=!1),!(1&n.wrap)||(((255&st)<<8)+(st>>8))%31){t.msg="incorrect header check",n.mode=J;break}if((15&st)!==y){t.msg="unknown compression method",n.mode=J;break}if(ut-=4,xt=8+(15&(st>>>=4)),0===n.wbits)n.wbits=xt;else if(xt>n.wbits){t.msg="invalid window size",n.mode=J;break}n.dmax=1<>8&1),512&n.flags&&(Mt[0]=255&st,Mt[1]=st>>>8&255,n.check=a(n.check,Mt,2,0)),st=0,ut=0,n.mode=E;case E:for(;ut<32;){if(0===at)break t;at--,st+=tt[nt++]<>>8&255,Mt[2]=st>>>16&255,Mt[3]=st>>>24&255,n.check=a(n.check,Mt,4,0)),st=0,ut=0,n.mode=S;case S:for(;ut<16;){if(0===at)break t;at--,st+=tt[nt++]<>8),512&n.flags&&(Mt[0]=255&st,Mt[1]=st>>>8&255,n.check=a(n.check,Mt,2,0)),st=0,ut=0,n.mode=A;case A:if(1024&n.flags){for(;ut<16;){if(0===at)break t;at--,st+=tt[nt++]<>>8&255,n.check=a(n.check,Mt,2,0)),st=0,ut=0}else n.head&&(n.head.extra=null);n.mode=M;case M:if(1024&n.flags&&((pt=n.length)>at&&(pt=at),pt&&(n.head&&(xt=n.head.extra_len-n.length,n.head.extra||(n.head.extra=new Array(n.head.extra_len)),r.arraySet(n.head.extra,tt,nt,pt,xt)),512&n.flags&&(n.check=a(n.check,tt,pt,nt)),at-=pt,nt+=pt,n.length-=pt),n.length))break t;n.length=0,n.mode=T;case T:if(2048&n.flags){if(0===at)break t;pt=0;do{xt=tt[nt+pt++],n.head&&xt&&n.length<65536&&(n.head.name+=String.fromCharCode(xt))}while(xt&&pt>9&1,n.head.done=!0),t.adler=n.check=0,n.mode=C;break;case R:for(;ut<32;){if(0===at)break t;at--,st+=tt[nt++]<>>=7&ut,ut-=7&ut,n.mode=Y;break}for(;ut<3;){if(0===at)break t;at--,st+=tt[nt++]<>>=1)){case 0:n.mode=O;break;case 1:if(ft(n),n.mode=U,e===p){st>>>=2,ut-=2;break t}break;case 2:n.mode=F;break;case 3:t.msg="invalid block type",n.mode=J}st>>>=2,ut-=2;break;case O:for(st>>>=7&ut,ut-=7&ut;ut<32;){if(0===at)break t;at--,st+=tt[nt++]<>>16^65535)){t.msg="invalid stored block lengths",n.mode=J;break}if(n.length=65535&st,st=0,ut=0,n.mode=z,e===p)break t;case z:n.mode=D;case D:if(pt=n.length){if(pt>at&&(pt=at),pt>ot&&(pt=ot),0===pt)break t;r.arraySet(et,tt,nt,pt,it),at-=pt,nt+=pt,ot-=pt,it+=pt,n.length-=pt;break}n.mode=C;break;case F:for(;ut<14;){if(0===at)break t;at--,st+=tt[nt++]<>>=5,ut-=5,n.ndist=1+(31&st),st>>>=5,ut-=5,n.ncode=4+(15&st),st>>>=4,ut-=4,n.nlen>286||n.ndist>30){t.msg="too many length or distance symbols",n.mode=J;break}n.have=0,n.mode=N;case N:for(;n.have>>=3,ut-=3}for(;n.have<19;)n.lens[Tt[n.have++]]=0;if(n.lencode=n.lendyn,n.lenbits=7,Et={bits:n.lenbits},kt=s(u,n.lens,0,19,n.lencode,0,n.work,Et),n.lenbits=Et.bits,kt){t.msg="invalid code lengths set",n.mode=J;break}n.have=0,n.mode=P;case P:for(;n.have>>16&255,_t=65535&At,!((vt=At>>>24)<=ut);){if(0===at)break t;at--,st+=tt[nt++]<>>=vt,ut-=vt,n.lens[n.have++]=_t;else{if(16===_t){for(St=vt+2;ut>>=vt,ut-=vt,0===n.have){t.msg="invalid bit length repeat",n.mode=J;break}xt=n.lens[n.have-1],pt=3+(3&st),st>>>=2,ut-=2}else if(17===_t){for(St=vt+3;ut>>=vt)),st>>>=3,ut-=3}else{for(St=vt+7;ut>>=vt)),st>>>=7,ut-=7}if(n.have+pt>n.nlen+n.ndist){t.msg="invalid bit length repeat",n.mode=J;break}for(;pt--;)n.lens[n.have++]=xt}}if(n.mode===J)break;if(0===n.lens[256]){t.msg="invalid code -- missing end-of-block",n.mode=J;break}if(n.lenbits=9,Et={bits:n.lenbits},kt=s(l,n.lens,0,n.nlen,n.lencode,0,n.work,Et),n.lenbits=Et.bits,kt){t.msg="invalid literal/lengths set",n.mode=J;break}if(n.distbits=6,n.distcode=n.distdyn,Et={bits:n.distbits},kt=s(c,n.lens,n.nlen,n.ndist,n.distcode,0,n.work,Et),n.distbits=Et.bits,kt){t.msg="invalid distances set",n.mode=J;break}if(n.mode=U,e===p)break t;case U:n.mode=q;case q:if(at>=6&&ot>=258){t.next_out=it,t.avail_out=ot,t.next_in=nt,t.avail_in=at,n.hold=st,n.bits=ut,o(t,ct),it=t.next_out,et=t.output,ot=t.avail_out,nt=t.next_in,tt=t.input,at=t.avail_in,st=n.hold,ut=n.bits,n.mode===C&&(n.back=-1);break}for(n.back=0;mt=(At=n.lencode[st&(1<>>16&255,_t=65535&At,!((vt=At>>>24)<=ut);){if(0===at)break t;at--,st+=tt[nt++]<>wt)])>>>16&255,_t=65535&At,!(wt+(vt=At>>>24)<=ut);){if(0===at)break t;at--,st+=tt[nt++]<>>=wt,ut-=wt,n.back+=wt}if(st>>>=vt,ut-=vt,n.back+=vt,n.length=_t,0===mt){n.mode=H;break}if(32&mt){n.back=-1,n.mode=C;break}if(64&mt){t.msg="invalid literal/length code",n.mode=J;break}n.extra=15&mt,n.mode=V;case V:if(n.extra){for(St=n.extra;ut>>=n.extra,ut-=n.extra,n.back+=n.extra}n.was=n.length,n.mode=Z;case Z:for(;mt=(At=n.distcode[st&(1<>>16&255,_t=65535&At,!((vt=At>>>24)<=ut);){if(0===at)break t;at--,st+=tt[nt++]<>wt)])>>>16&255,_t=65535&At,!(wt+(vt=At>>>24)<=ut);){if(0===at)break t;at--,st+=tt[nt++]<>>=wt,ut-=wt,n.back+=wt}if(st>>>=vt,ut-=vt,n.back+=vt,64&mt){t.msg="invalid distance code",n.mode=J;break}n.offset=_t,n.extra=15&mt,n.mode=W;case W:if(n.extra){for(St=n.extra;ut>>=n.extra,ut-=n.extra,n.back+=n.extra}if(n.offset>n.dmax){t.msg="invalid distance too far back",n.mode=J;break}n.mode=G;case G:if(0===ot)break t;if(pt=ct-ot,n.offset>pt){if((pt=n.offset-pt)>n.whave&&n.sane){t.msg="invalid distance too far back",n.mode=J;break}pt>n.wnext?(pt-=n.wnext,dt=n.wsize-pt):dt=n.wnext-pt,pt>n.length&&(pt=n.length),gt=n.window}else gt=et,dt=it-n.offset,pt=n.length;pt>ot&&(pt=ot),ot-=pt,n.length-=pt;do{et[it++]=gt[dt++]}while(--pt);0===n.length&&(n.mode=q);break;case H:if(0===ot)break t;et[it++]=n.length,ot--,n.mode=q;break;case Y:if(n.wrap){for(;ut<32;){if(0===at)break t;at--,st|=tt[nt++]<=1&&0===O[A];A--);if(M>A&&(M=A),0===A)return l[c++]=20971520,l[c++]=20971520,h.bits=1,0;for(S=1;S0&&(0===t||1!==A))return-1;for(z[1]=0,k=1;k<15;k++)z[k+1]=z[k]+O[k];for(E=0;E852||2===t&&R>592)return 1;for(;;){w=k-j,f[E]<_?(b=0,y=f[E]):f[E]>_?(b=D[F+f[E]],y=C[L+f[E]]):(b=96,y=0),p=1<>j)+(d-=p)]=w<<24|b<<16|y|0}while(0!==d);for(p=1<>=1;if(0!==p?(B&=p-1,B+=p):B=0,E++,0==--O[k]){if(k===A)break;k=e[n+f[E]]}if(k>M&&(B&v)!==g){for(0===j&&(j=M),m+=S,I=1<<(T=k-j);T+j852||2===t&&R>592)return 1;l[g=B&v]=M<<24|T<<16|m-c|0}}return 0!==B&&(l[m+B]=k-j<<24|64<<16|0),h.bits=M,0}},{"../utils/common":44}],52:[function(t,e,n){"use strict";e.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],53:[function(t,e,n){"use strict";var r=t("../utils/common"),i=4,a=0,o=1,s=2;function u(t){for(var e=t.length;--e>=0;)t[e]=0}var 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e=0;e>>8;return!0},i.prototype.crc32=function(){return-1^this._crc},i.crc32=function(t){for(var e=-1,n=0;n>>8;return-1^e}},{}],81:[function(t,e,n){(function(n){"use strict";var r=t("./paeth-predictor");var i={0:function(t,e,n,r,i){t.copy(r,i,e,e+n)},1:function(t,e,n,r,i,a){for(var o=0;o=a?t[e+o-a]:0,u=t[e+o]-s;r[i+o]=u}},2:function(t,e,n,r,i){for(var a=0;a0?t[e+a-n]:0,s=t[e+a]-o;r[i+a]=s}},3:function(t,e,n,r,i,a){for(var o=0;o=a?t[e+o-a]:0,u=e>0?t[e+o-n]:0,l=t[e+o]-(s+u>>1);r[i+o]=l}},4:function(t,e,n,i,a,o){for(var s=0;s=o?t[e+s-o]:0,l=e>0?t[e+s-n]:0,c=e>0&&s>=o?t[e+s-(n+o)]:0,f=t[e+s]-r(u,l,c);i[a+s]=f}}},a={0:function(t,e,n){for(var r=0,i=e+n,a=e;a=r?t[e+a-r]:0,s=t[e+a]-o;i+=Math.abs(s)}return i},2:function(t,e,n){for(var r=0,i=e+n,a=e;a0?t[a-n]:0,s=t[a]-o;r+=Math.abs(s)}return r},3:function(t,e,n,r){for(var i=0,a=0;a=r?t[e+a-r]:0,s=e>0?t[e+a-n]:0,u=t[e+a]-(o+s>>1);i+=Math.abs(u)}return i},4:function(t,e,n,i){for(var a=0,o=0;o=i?t[e+o-i]:0,u=e>0?t[e+o-n]:0,l=e>0&&o>=i?t[e+o-(n+i)]:0,c=t[e+o]-r(s,u,l);a+=Math.abs(c)}return a}};e.exports=function(t,e,r,o,s){var u;if("filterType"in o&&-1!==o.filterType){if("number"!=typeof o.filterType)throw new Error("unrecognised filter types");u=[o.filterType]}else u=[0,1,2,3,4];for(var l=e*s,c=0,f=0,h=new n((l+1)*r),p=u[0],d=0;d1)for(var g=1/0,v=0;vi?e[a-r]:0;e[a]=o+s}},o.prototype._unFilterType2=function(t,e,n){for(var r=this._lastLine,i=0;ii?e[o-r]:0,c=Math.floor((l+u)/2);e[o]=s+c}},o.prototype._unFilterType4=function(t,e,n){for(var r=this._xComparison,a=r-1,o=this._lastLine,s=0;sa?e[s-r]:0,f=s>a&&o?o[s-r]:0,h=i(c,l,f);e[s]=u+h}},o.prototype._reverseFilterLine=function(t){var e,r=t[0],i=this._images[this._imageIndex],a=i.byteWidth;if(0===r)e=t.slice(1,a+1);else switch(e=new n(a),r){case 1:this._unFilterType1(t,e,a);break;case 2:this._unFilterType2(t,e,a);break;case 3:this._unFilterType3(t,e,a);break;case 4:this._unFilterType4(t,e,a);break;default:throw new Error("Unrecognised filter type - "+r)}this.write(e),i.lineIndex++,i.lineIndex>=i.height?(this._lastLine=null,this._imageIndex++,i=this._images[this._imageIndex]):this._lastLine=e,i?this.read(i.byteWidth+1,this._reverseFilterLine.bind(this)):(this._lastLine=null,this.complete())}}).call(this,t("buffer").Buffer)},{"./interlace":86,"./paeth-predictor":90,buffer:4}],85:[function(t,e,n){(function(t){"use strict";e.exports=function(e,n){var r=n.depth,i=n.width,a=n.height,o=n.colorType,s=n.transColor,u=n.palette,l=e;return 3===o?function(t,e,n,r,i){for(var a=0,o=0;o0&&f>0&&n.push({width:c,height:f,index:u})}return n},n.getInterlaceIterator=function(t){return function(e,n,i){var a=e%r[i].x.length,o=(e-a)/r[i].x.length*8+r[i].x[a],s=n%r[i].y.length;return 4*o+((n-s)/r[i].y.length*8+r[i].y[s])*t*4}}},{}],87:[function(t,e,n){(function(n){"use strict";var r=t("util"),i=t("stream"),a=t("./constants"),o=t("./packer"),s=e.exports=function(t){i.call(this);var e=t||{};this._packer=new o(e),this._deflate=this._packer.createDeflate(),this.readable=!0};r.inherits(s,i),s.prototype.pack=function(t,e,r,i){this.emit("data",new n(a.PNG_SIGNATURE)),this.emit("data",this._packer.packIHDR(e,r)),i&&this.emit("data",this._packer.packGAMA(i));var o=this._packer.filterData(t,e,r);this._deflate.on("error",this.emit.bind(this,"error")),this._deflate.on("data",function(t){this.emit("data",this._packer.packIDAT(t))}.bind(this)),this._deflate.on("end",function(){this.emit("data",this._packer.packIEND()),this.emit("end")}.bind(this)),this._deflate.end(o)}}).call(this,t("buffer").Buffer)},{"./constants":79,"./packer":89,buffer:4,stream:112,util:135}],88:[function(t,e,n){(function(n){"use strict";var r=!0,i=t("zlib");i.deflateSync||(r=!1);var a=t("./constants"),o=t("./packer");e.exports=function(t,e){if(!r)throw new Error("To use the sync capability of this library in old node versions, please also add a dependency on node-zlb-backport");var s=new o(e||{}),u=[];u.push(new n(a.PNG_SIGNATURE)),u.push(s.packIHDR(t.width,t.height)),t.gamma&&u.push(s.packGAMA(t.gamma));var l=s.filterData(t.data,t.width,t.height),c=i.deflateSync(l,s.getDeflateOptions());if(l=null,!c||!c.length)throw new Error("bad png - invalid compressed data response");return u.push(s.packIDAT(c)),u.push(s.packIEND()),n.concat(u)}}).call(this,t("buffer").Buffer)},{"./constants":79,"./packer":89,buffer:4,zlib:41}],89:[function(t,e,n){(function(n){"use strict";var r=t("./constants"),i=t("./crc"),a=t("./bitpacker"),o=t("./filter-pack"),s=t("zlib"),u=e.exports=function(t){if(this._options=t,t.deflateChunkSize=t.deflateChunkSize||32768,t.deflateLevel=null!=t.deflateLevel?t.deflateLevel:9,t.deflateStrategy=null!=t.deflateStrategy?t.deflateStrategy:3,t.inputHasAlpha=null==t.inputHasAlpha||t.inputHasAlpha,t.deflateFactory=t.deflateFactory||s.createDeflate,t.bitDepth=t.bitDepth||8,t.colorType="number"==typeof t.colorType?t.colorType:r.COLORTYPE_COLOR_ALPHA,t.colorType!==r.COLORTYPE_COLOR&&t.colorType!==r.COLORTYPE_COLOR_ALPHA)throw new Error("option color type:"+t.colorType+" is not supported at present");if(8!==t.bitDepth)throw new Error("option bit depth:"+t.bitDepth+" is not supported at present")};u.prototype.getDeflateOptions=function(){return{chunkSize:this._options.deflateChunkSize,level:this._options.deflateLevel,strategy:this._options.deflateStrategy}},u.prototype.createDeflate=function(){return this._options.deflateFactory(this.getDeflateOptions())},u.prototype.filterData=function(t,e,n){var i=a(t,e,n,this._options),s=r.COLORTYPE_TO_BPP_MAP[this._options.colorType];return o(i,e,n,this._options,s)},u.prototype._packChunk=function(t,e){var r=e?e.length:0,a=new n(r+12);return a.writeUInt32BE(r,0),a.writeUInt32BE(t,4),e&&e.copy(a,8),a.writeInt32BE(i.crc32(a.slice(4,a.length-4)),a.length-4),a},u.prototype.packGAMA=function(t){var e=new n(4);return e.writeUInt32BE(Math.floor(t*r.GAMMA_DIVISION),0),this._packChunk(r.TYPE_gAMA,e)},u.prototype.packIHDR=function(t,e){var i=new n(13);return i.writeUInt32BE(t,0),i.writeUInt32BE(e,4),i[8]=this._options.bitDepth,i[9]=this._options.colorType,i[10]=0,i[11]=0,i[12]=0,this._packChunk(r.TYPE_IHDR,i)},u.prototype.packIDAT=function(t){return this._packChunk(r.TYPE_IDAT,t)},u.prototype.packIEND=function(){return this._packChunk(r.TYPE_IEND,null)}}).call(this,t("buffer").Buffer)},{"./bitpacker":77,"./constants":79,"./crc":80,"./filter-pack":81,buffer:4,zlib:41}],90:[function(t,e,n){"use strict";e.exports=function(t,e,n){var r=t+e-n,i=Math.abs(r-t),a=Math.abs(r-e),o=Math.abs(r-n);return i<=a&&i<=o?t:a<=o?e:n}},{}],91:[function(t,e,n){"use strict";var r=t("util"),i=t("zlib"),a=t("./chunkstream"),o=t("./filter-parse-async"),s=t("./parser"),u=t("./bitmapper"),l=t("./format-normaliser"),c=e.exports=function(t){a.call(this),this._parser=new s(t,{read:this.read.bind(this),error:this._handleError.bind(this),metadata:this._handleMetaData.bind(this),gamma:this.emit.bind(this,"gamma"),palette:this._handlePalette.bind(this),transColor:this._handleTransColor.bind(this),finished:this._finished.bind(this),inflateData:this._inflateData.bind(this)}),this._options=t,this.writable=!0,this._parser.start()};r.inherits(c,a),c.prototype._handleError=function(t){this.emit("error",t),this.writable=!1,this.destroy(),this._inflate&&this._inflate.destroy&&this._inflate.destroy(),this.errord=!0},c.prototype._inflateData=function(t){this._inflate||(this._inflate=i.createInflate(),this._inflate.on("error",this.emit.bind(this,"error")),this._filter.on("complete",this._complete.bind(this)),this._inflate.pipe(this._filter)),this._inflate.write(t)},c.prototype._handleMetaData=function(t){this.emit("metadata",t),this._bitmapInfo=Object.create(t),this._filter=new o(this._bitmapInfo)},c.prototype._handleTransColor=function(t){this._bitmapInfo.transColor=t},c.prototype._handlePalette=function(t){this._bitmapInfo.palette=t},c.prototype._finished=function(){this.errord||(this._inflate?this._inflate.end():this.emit("error","No Inflate block"),this.destroySoon())},c.prototype._complete=function(t){if(!this.errord){try{var e=u.dataToBitMap(t,this._bitmapInfo),n=l(e,this._bitmapInfo);e=null}catch(t){return void this._handleError(t)}this.emit("parsed",n)}}},{"./bitmapper":76,"./chunkstream":78,"./filter-parse-async":82,"./format-normaliser":85,"./parser":93,util:135,zlib:41}],92:[function(t,e,n){(function(n){"use strict";var r=!0,i=t("zlib");i.deflateSync||(r=!1);var a=t("./sync-reader"),o=t("./filter-parse-sync"),s=t("./parser"),u=t("./bitmapper"),l=t("./format-normaliser");e.exports=function(t,e){if(!r)throw new Error("To use the sync capability of this library in old node versions, please also add a dependency on node-zlb-backport");var c,f,h;var p=[];var d=new a(t);if(new s(e,{read:d.read.bind(d),error:function(t){c=t},metadata:function(t){f=t},gamma:function(t){h=t},palette:function(t){f.palette=t},transColor:function(t){f.transColor=t},inflateData:function(t){p.push(t)}}).start(),d.process(),c)throw c;var g=n.concat(p);p.length=0;var v=i.inflateSync(g);if(g=null,!v||!v.length)throw new Error("bad png - invalid inflate data response");var m=o.process(v,f);g=null;var _=u.dataToBitMap(m,f);m=null;var w=l(_,f);return f.data=w,f.gamma=h||0,f}}).call(this,t("buffer").Buffer)},{"./bitmapper":76,"./filter-parse-sync":83,"./format-normaliser":85,"./parser":93,"./sync-reader":96,buffer:4,zlib:41}],93:[function(t,e,n){(function(n){"use strict";var r=t("./constants"),i=t("./crc"),a=e.exports=function(t,e){this._options=t,t.checkCRC=!1!==t.checkCRC,this._hasIHDR=!1,this._hasIEND=!1,this._palette=[],this._colorType=0,this._chunks={},this._chunks[r.TYPE_IHDR]=this._handleIHDR.bind(this),this._chunks[r.TYPE_IEND]=this._handleIEND.bind(this),this._chunks[r.TYPE_IDAT]=this._handleIDAT.bind(this),this._chunks[r.TYPE_PLTE]=this._handlePLTE.bind(this),this._chunks[r.TYPE_tRNS]=this._handleTRNS.bind(this),this._chunks[r.TYPE_gAMA]=this._handleGAMA.bind(this),this.read=e.read,this.error=e.error,this.metadata=e.metadata,this.gamma=e.gamma,this.transColor=e.transColor,this.palette=e.palette,this.parsed=e.parsed,this.inflateData=e.inflateData,this.inflateData=e.inflateData,this.finished=e.finished};a.prototype.start=function(){this.read(r.PNG_SIGNATURE.length,this._parseSignature.bind(this))},a.prototype._parseSignature=function(t){for(var e=r.PNG_SIGNATURE,n=0;nthis._palette.length)return void this.error(new Error("More transparent colors than palette size"));for(var e=0;e0?this._handleIDAT(n):this._handleChunkEnd()},a.prototype._handleIEND=function(t){this.read(t,this._parseIEND.bind(this))},a.prototype._parseIEND=function(t){this._crc.write(t),this._hasIEND=!0,this._handleChunkEnd(),this.finished&&this.finished()}}).call(this,t("buffer").Buffer)},{"./constants":79,"./crc":80,buffer:4}],94:[function(t,e,n){"use strict";var r=t("./parser-sync"),i=t("./packer-sync");n.read=function(t,e){return r(t,e||{})},n.write=function(t){return i(t)}},{"./packer-sync":88,"./parser-sync":92}],95:[function(t,e,n){(function(e,r){"use strict";var i=t("util"),a=t("stream"),o=t("./parser-async"),s=t("./packer-async"),u=t("./png-sync"),l=n.PNG=function(t){a.call(this),t=t||{},this.width=t.width||0,this.height=t.height||0,this.data=this.width>0&&this.height>0?new r(4*this.width*this.height):null,t.fill&&this.data&&this.data.fill(0),this.gamma=0,this.readable=this.writable=!0,this._parser=new o(t),this._parser.on("error",this.emit.bind(this,"error")),this._parser.on("close",this._handleClose.bind(this)),this._parser.on("metadata",this._metadata.bind(this)),this._parser.on("gamma",this._gamma.bind(this)),this._parser.on("parsed",function(t){this.data=t,this.emit("parsed",t)}.bind(this)),this._packer=new s(t),this._packer.on("data",this.emit.bind(this,"data")),this._packer.on("end",this.emit.bind(this,"end")),this._parser.on("close",this._handleClose.bind(this)),this._packer.on("error",this.emit.bind(this,"error"))};i.inherits(l,a),l.sync=u,l.prototype.pack=function(){return this.data&&this.data.length?(e.nextTick(function(){this._packer.pack(this.data,this.width,this.height,this.gamma)}.bind(this)),this):(this.emit("error","No data provided"),this)},l.prototype.parse=function(t,e){var n,r;e&&(n=function(t){this.removeListener("error",r),this.data=t,e(null,this)}.bind(this),r=function(t){this.removeListener("parsed",n),e(t,null)}.bind(this),this.once("parsed",n),this.once("error",r));return this.end(t),this},l.prototype.write=function(t){return this._parser.write(t),!0},l.prototype.end=function(t){this._parser.end(t)},l.prototype._metadata=function(t){this.width=t.width,this.height=t.height,this.emit("metadata",t)},l.prototype._gamma=function(t){this.gamma=t},l.prototype._handleClose=function(){this._parser.writable||this._packer.readable||this.emit("close")},l.bitblt=function(t,e,n,r,i,a,o,s){if(n>t.width||r>t.height||n+i>t.width||r+a>t.height)throw new Error("bitblt reading outside image");if(o>e.width||s>e.height||o+i>e.width||s+a>e.height)throw new Error("bitblt writing outside image");for(var u=0;u0&&this._buffer.length;){var t=this._reads[0];if(!this._buffer.length||!(this._buffer.length>=t.length||t.allowLess))break;this._reads.shift();var e=this._buffer;this._buffer=e.slice(t.length),t.func.call(this,e.slice(0,t.length))}return this._reads.length>0?new Error("There are some read requests waitng on finished stream"):this._buffer.length>0?new Error("unrecognised content at end of stream"):void 0}},{}],97:[function(t,e,n){(function(t){"use strict";!t.version||0===t.version.indexOf("v0.")||0===t.version.indexOf("v1.")&&0!==t.version.indexOf("v1.8.")?e.exports={nextTick:function(e,n,r,i){if("function"!=typeof e)throw new TypeError('"callback" argument must be a function');var a,o,s=arguments.length;switch(s){case 0:case 1:return t.nextTick(e);case 2:return t.nextTick(function(){e.call(null,n)});case 3:return t.nextTick(function(){e.call(null,n,r)});case 4:return t.nextTick(function(){e.call(null,n,r,i)});default:for(a=new Array(s-1),o=0;o1)for(var n=1;n0?d(t):b(t)}(t,e);else if(e.objectMode||r&&r.length>0)if(e.ended&&!o){var u=new Error("stream.push() after EOF");t.emit("error",u)}else if(e.endEmitted&&o){u=new Error("stream.unshift() after end event");t.emit("error",u)}else!e.decoder||o||a||(r=e.decoder.write(r)),e.length+=e.objectMode?1:r.length,o?e.buffer.unshift(r):(e.reading=!1,e.buffer.push(r)),e.needReadable&&d(t),function(t,e){e.readingMore||(e.readingMore=!0,n.nextTick(function(){!function(t,e){var n=e.length;for(;!e.reading&&!e.flowing&&!e.ended&&e.lengthe.highWaterMark&&(e.highWaterMark=function(t){if(t>=h)t=h;else{t--;for(var e=1;e<32;e<<=1)t|=t>>e;t++}return t}(t)),t>e.length?e.ended?e.length:(e.needReadable=!0,0):t)}function d(t){var e=t._readableState;e.needReadable=!1,e.emittedReadable||(e.emittedReadable=!0,e.sync?n.nextTick(function(){g(t)}):g(t))}function g(t){t.emit("readable")}function v(t){var e,n=t._readableState;function r(t,r,i){!1===t.write(e)&&n.awaitDrain++}for(n.awaitDrain=0;n.pipesCount&&null!==(e=t.read());)if(1===n.pipesCount?r(n.pipes):y(n.pipes,r),t.emit("data",e),n.awaitDrain>0)return;if(0===n.pipesCount)return n.flowing=!1,void(a.listenerCount(t,"data")>0&&_(t));n.ranOut=!0}function m(){this._readableState.ranOut&&(this._readableState.ranOut=!1,v(this))}function _(t,e){if(t._readableState.flowing)throw new Error("Cannot switch to old mode now.");var r=e||!1,i=!1;t.readable=!0,t.pipe=s.prototype.pipe,t.on=t.addListener=s.prototype.on,t.on("readable",function(){var e;for(i=!0;!r&&null!==(e=t.read());)t.emit("data",e);null===e&&(i=!1,t._readableState.needReadable=!0)}),t.pause=function(){r=!0,this.emit("pause")},t.resume=function(){r=!1,i?n.nextTick(function(){t.emit("readable")}):this.read(0),this.emit("resume")},t.emit("readable")}function w(t,e){var n,r=e.buffer,a=e.length,o=!!e.decoder,s=!!e.objectMode;if(0===r.length)return null;if(0===a)n=null;else if(s)n=r.shift();else if(!t||t>=a)n=o?r.join(""):i.concat(r,a),r.length=0;else{if(t0)throw new Error("endReadable called on non-empty stream");!e.endEmitted&&e.calledRead&&(e.ended=!0,n.nextTick(function(){e.endEmitted||0!==e.length||(e.endEmitted=!0,t.readable=!1,t.emit("end"))}))}function y(t,e){for(var n=0,r=t.length;n0)&&(e.emittedReadable=!1),0===t&&e.needReadable&&(e.length>=e.highWaterMark||e.ended))return d(this),null;if(0===(t=p(t,e))&&e.ended)return n=null,e.length>0&&e.decoder&&(n=w(t,e),e.length-=n.length),0===e.length&&b(this),n;var i=e.needReadable;return e.length-t<=e.highWaterMark&&(i=!0),(e.ended||e.reading)&&(i=!1),i&&(e.reading=!0,e.sync=!0,0===e.length&&(e.needReadable=!0),this._read(e.highWaterMark),e.sync=!1),i&&!e.reading&&(t=p(r,e)),null===(n=t>0?w(t,e):null)&&(e.needReadable=!0,t=0),e.length-=t,0!==e.length||e.ended||(e.needReadable=!0),e.ended&&!e.endEmitted&&0===e.length&&b(this),n},c.prototype._read=function(t){this.emit("error",new Error("not implemented"))},c.prototype.pipe=function(t,e){var i=this,o=this._readableState;switch(o.pipesCount){case 0:o.pipes=t;break;case 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E=8*y;0!=k[1+E]||0!=k[2+E]||0!=k[3+E]||0!=k[4+E]||0!=k[5+E]||0!=k[6+E]||0!=k[7+E]?(h=s*k[0+E]+128>>8,p=s*k[4+E]+128>>8,d=k[2+E],g=k[6+E],v=u*(k[1+E]-k[7+E])+128>>8,w=u*(k[1+E]+k[7+E])+128>>8,m=k[3+E]<<4,_=k[5+E]<<4,b=h-p+1>>1,h=h+p+1>>1,p=b,b=d*o+g*a+128>>8,d=d*a-g*o+128>>8,g=b,b=v-_+1>>1,v=v+_+1>>1,_=b,b=w+m+1>>1,m=w-m+1>>1,w=b,b=h-g+1>>1,h=h+g+1>>1,g=b,b=p-d+1>>1,p=p+d+1>>1,d=b,b=v*i+w*r+2048>>12,v=v*r-w*i+2048>>12,w=b,b=m*n+_*e+2048>>12,m=m*e-_*n+2048>>12,_=b,k[0+E]=h+w,k[7+E]=h-w,k[1+E]=p+_,k[6+E]=p-_,k[2+E]=d+m,k[5+E]=d-m,k[3+E]=g+v,k[4+E]=g-v):(b=s*k[0+E]+512>>10,k[0+E]=b,k[1+E]=b,k[2+E]=b,k[3+E]=b,k[4+E]=b,k[5+E]=b,k[6+E]=b,k[7+E]=b)}for(y=0;y<8;++y){var 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r=s((e[n]*t+50)/100);r<1?r=1:r>255&&(r=255),u[E[n]]=r}for(var i=[17,18,24,47,99,99,99,99,18,21,26,66,99,99,99,99,24,26,56,99,99,99,99,99,47,66,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99],a=0;a<64;a++){var o=s((i[a]*t+50)/100);o<1?o=1:o>255&&(o=255),l[E[a]]=o}for(var h=[1,1.387039845,1.306562965,1.175875602,1,.785694958,.5411961,.275899379],p=0,d=0;d<8;d++)for(var g=0;g<8;g++)c[p]=1/(u[E[p]]*h[d]*h[g]*8),f[p]=1/(l[E[p]]*h[d]*h[g]*8),p++})(t<50?Math.floor(5e3/t):Math.floor(200-2*t)),o=t}}this.encode=function(e,o){(new Date).getTime();o&&F(o),v=new Array,m=0,_=7,z(65496),z(65504),z(16),O(74),O(70),O(73),O(70),O(0),O(1),O(1),O(0),z(1),z(1),O(0),O(0),function(){z(65499),z(132),O(0);for(var t=0;t<64;t++)O(u[t]);O(1);for(var e=0;e<64;e++)O(l[e])}(),function(t,e){z(65472),z(17),O(8),z(e),z(t),O(3),O(1),O(17),O(0),O(2),O(17),O(1),O(3),O(17),O(1)}(e.width,e.height),function(){z(65476),z(418),O(0);for(var t=0;t<16;t++)O(S[t+1]);for(var e=0;e<=11;e++)O(A[e]);O(16);for(var n=0;n<16;n++)O(M[n+1]);for(var r=0;r<=161;r++)O(T[r]);O(1);for(var i=0;i<16;i++)O(j[i+1]);for(var a=0;a<=11;a++)O(I[a]);O(17);for(var o=0;o<16;o++)O(R[o+1]);for(var s=0;s<=161;s++)O(B[s])}(),z(65498),z(12),O(3),O(1),O(0),O(2),O(17),O(3),O(17),O(0),O(63),O(0);var s=0,h=0,p=0;m=0,_=7,this.encode.displayName="_encode_";for(var d,g,x,E,C,N,P,U,q,V=e.data,Z=e.width,W=e.height,G=4*Z,H=0;H>3)*G+(P=4*(7&q)),H+U>=W&&(N-=G*(H+1+U-W)),d+P>=G&&(N-=d+P-G+4),g=V[N++],x=V[N++],E=V[N++],w[q]=(k[g]+k[x+256>>0]+k[E+512>>0]>>16)-128,b[q]=(k[g+768>>0]+k[x+1024>>0]+k[E+1280>>0]>>16)-128,y[q]=(k[g+1280>>0]+k[x+1536>>0]+k[E+1792>>0]>>16)-128;s=D(w,c,s,n,i),h=D(b,f,h,r,a),p=D(y,f,p,r,a),d+=32}H+=8}if(_>=0){var Y=[];Y[1]=_+1,Y[0]=(1<<_+1)-1,L(Y)}return z(65497),new t(v)},function(){(new Date).getTime();e||(e=50),function(){for(var t=String.fromCharCode,e=0;e<256;e++)x[e]=t(e)}(),n=C(S,A),r=C(j,I),i=C(M,T),a=C(R,B),function(){for(var t=1,e=2,n=1;n<=15;n++){for(var r=t;r>0]=38470*t,k[t+512>>0]=7471*t+32768,k[t+768>>0]=-11059*t,k[t+1024>>0]=-21709*t,k[t+1280>>0]=32768*t+8421375,k[t+1536>>0]=-27439*t,k[t+1792>>0]=-5329*t}(),F(e),(new Date).getTime()}()}e.exports=function(t,e){void 0===e&&(e=50);return{data:new n(e).encode(t,e),width:t.width,height:t.height}}}).call(this,t("buffer").Buffer)},{buffer:4}],111:[function(t,e,n){(function(n){"use strict";var r=t("contentstream"),i=t("gif-encoder"),a=t("jpeg-js"),o=t("pngjs-nozlib").PNG,s=t("ndarray"),u=t("ndarray-ops"),l=t("through");function c(t,e,n){if(4===t.shape.length)return c(t.pick(n),e,0);if(3===t.shape.length)if(3===t.shape[2])u.assign(s(e,[t.shape[0],t.shape[1],3],[4,4*t.shape[0],1]),t),u.assigns(s(e,[t.shape[0]*t.shape[1]],[4],3),255);else if(4===t.shape[2])u.assign(s(e,[t.shape[0],t.shape[1],4],[4,4*t.shape[0],1]),t);else{if(1!==t.shape[2])return new Error("Incompatible array 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Read more at: https://en.wikipedia.org/wiki/Canny_edge_detector",inputs:{blur:{type:"integer",desc:"amount of gaussian blur(Less blur gives more detail, typically 0-5)",default:2},highThresholdRatio:{type:"float",desc:"The high threshold ratio for the image",default:.2},lowThresholdRatio:{type:"float",desc:"The low threshold value for the image",default:.15}}}},{}],188:[function(t,e,n){e.exports=function(e,n){return t("fisheyegl"),{options:e,draw:function(t,n){var r=this;if(e.inBrowser){if(document.querySelector("#image-sequencer-canvas"))var i=document.querySelector("#image-sequencer-canvas");else(i=document.createElement("canvas")).style.display="none",i.setAttribute("id","image-sequencer-canvas"),document.body.append(i);distorter=FisheyeGl({selector:"#image-sequencer-canvas"}),e.a=parseFloat(e.a)||distorter.lens.a,e.b=parseFloat(e.b)||distorter.lens.b,e.Fx=parseFloat(e.Fx)||distorter.lens.Fx,e.Fy=parseFloat(e.Fy)||distorter.lens.Fy,e.scale=parseFloat(e.scale)||distorter.lens.scale,e.x=parseFloat(e.x)||distorter.fov.x,e.y=parseFloat(e.y)||distorter.fov.y,distorter.lens.a=e.a,distorter.lens.b=e.b,distorter.lens.Fx=e.Fx,distorter.lens.Fy=e.Fy,distorter.lens.scale=e.scale,distorter.fov.x=e.x,distorter.fov.y=e.y,distorter.setImage(t.src,function(){r.output={src:i.toDataURL(),format:t.format},n()})}else this.output=t,n()},output:void 0,UI:n}}},{fisheyegl:15}],189:[function(t,e,n){arguments[4][147][0].apply(n,arguments)},{"./Module":188,"./info.json":190,dup:147}],190:[function(t,e,n){e.exports={name:"Fisheye GL",description:"Correct fisheye, or barrel distortion, in images (with WebGL -- adapted from fisheye-correction-webgl by @bluemir).",requires:["webgl"],inputs:{a:{type:"float",desc:"a parameter",default:1,min:1,max:4},b:{type:"float",desc:"b parameter",default:1,min:1,max:4},Fx:{type:"float",desc:"Fx parameter",default:0,min:0,max:4},Fy:{type:"float",desc:"Fy parameter",default:0,min:0,max:4},scale:{type:"float",desc:"Image Scaling",default:1.5,min:0,max:20},x:{type:"float",desc:"FOV x parameter",default:1.5,min:0,max:20},y:{type:"float",desc:"FOV y parameter",default:1.5,min:0,max:20},fragmentSrc:{type:"PATH",desc:"Patht to a WebGL fragment shader file",default:"(inbuilt)"},vertexSrc:{type:"PATH",desc:"Patht to a WebGL vertex shader file",default:"(inbuilt)"}}}},{}],191:[function(t,e,n){e.exports=function(e,n){return{options:e,draw:function(n,r,i){i.stop(!0),i.overrideFlag=!0;var a=this;return t("../_nomodule/PixelManipulation.js")(n,{output:function(t,e,n){a.output={src:e,format:n}},changePixel:function(t,n,r,i){var a=e.adjustment||.2;return[t=255*Math.pow(t/255,a),n=255*Math.pow(n/255,a),r=255*Math.pow(r/255,a),i]},format:n.format,image:e.image,inBrowser:e.inBrowser,callback:r})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":214}],192:[function(t,e,n){arguments[4][147][0].apply(n,arguments)},{"./Module":191,"./info.json":193,dup:147}],193:[function(t,e,n){e.exports={name:"Gamma Correction",description:"Apply gamma correction on the image Read more",inputs:{adjustment:{type:"float",desc:"gamma correction (inverse of actual gamma factor) for the new image",default:.2}}}},{}],194:[function(t,e,n){(function(n){e.exports=function(e,r){return{options:e,draw:function(e,r,i){var a=t("get-pixels"),o=t("save-pixels"),s=this;a(e.src,function(t,i){if(t)console.log("Bad Image path");else{for(var a=0,u=0;u

Select or drag in an image to overlay.

';$(t.ui).find(".details").prepend(i),sequencer.setInputStep({dropZoneSelector:"#"+r,fileInputSelector:"#"+r+" .file-input",onLoad:function(e){var n=e.target;t.options.imageUrl=n.result,t.options.url=n.result,sequencer.run(),setUrlHashParameter("steps",sequencer.toString())}}),$(t.ui).find(".btn-save").on("click",function(){var e=$(t.ui).find(".det input").val();t.options.imageUrl=e,sequencer.run()})}}}},{}],199:[function(t,e,n){arguments[4][147][0].apply(n,arguments)},{"./Module":197,"./info.json":200,dup:147}],200:[function(t,e,n){e.exports={name:"Import Image",description:"Import a new image and replace the original with it. Future versions may enable a blend mode. Specify an image by URL or by file selector.",url:"https://github.com/publiclab/image-sequencer/tree/master/MODULES.md",inputs:{url:{type:"string",desc:"URL of image to import",default:"./images/monarch.png"}}}},{}],201:[function(t,e,n){e.exports=function(){return this.expandSteps([{name:"ndvi",options:{}},{name:"colormap",options:{}}]),{isMeta:!0}}},{}],202:[function(t,e,n){arguments[4][147][0].apply(n,arguments)},{"./Module":201,"./info.json":203,dup:147}],203:[function(t,e,n){e.exports={name:"NDVI-Colormap",description:"Sequentially Applies NDVI and Colormap steps",inputs:{},length:2}},{}],204:[function(t,e,n){e.exports=function(e,n){if(e.step.inBrowser)var r=t("./Ui.js")(e.step,n);return e.filter=e.filter||"red",{options:e,draw:function(n,i,a){a.stop(!0),a.overrideFlag=!0;var o=this;return t("../_nomodule/PixelManipulation.js")(n,{output:function(t,e,n){o.output={src:e,format:n}},changePixel:function(t,n,r,i){if("red"==e.filter)var a=(r-t)/(1*r+t);"blue"==e.filter&&(a=(t-r)/(1*r+t));var o=255*(a+1)/2;return[o,o,o,i]},format:n.format,image:e.image,inBrowser:e.inBrowser,callback:function(){e.step.inBrowser&&r.setup(),i()}})},output:void 0,UI:n}}},{"../_nomodule/PixelManipulation.js":214,"./Ui.js":205}],205:[function(t,e,n){e.exports=function(t,e){return{setup:function(){var e=$(t.imgElement);e.mousemove(function(t){var n=document.createElement("canvas");n.width=e.width(),n.height=e.height(),n.getContext("2d").drawImage(this,0,0);var r=$(this).offset(),i=t.pageX-r.left,a=t.pageY-r.top,o=n.getContext("2d").getImageData(i,a,1,1).data[0];o=(o=o/127.5-1).toFixed(2),e[0].title="NDVI: "+o})}}}},{}],206:[function(t,e,n){arguments[4][147][0].apply(n,arguments)},{"./Module":204,"./info.json":207,dup:147}],207:[function(t,e,n){e.exports={name:"NDVI",description:"Normalized Difference Vegetation Index, or NDVI, is an image analysis technique used with aerial photography. It's a way to visualize the amounts of infrared and other wavelengths of light reflected from vegetation by comparing ratios of blue and red light absorbed versus green and IR light reflected. NDVI is used to evaluate the health of vegetation in satellite imagery, where it correlates with how much photosynthesis is happening. This is helpful in assessing vegetative health or stress. Read more.

This is designed for use with red-filtered single camera DIY Infragram cameras; change to 'blue' for blue filters",inputs:{filter:{type:"select",desc:"Filter color",default:"red",values:["red","blue"]}}}},{}],208:[function(t,e,n){e.exports=function(e,n,r){return e.x=e.x||0,e.y=e.y||0,{options:e,draw:function(n,r,i){e.offset=e.offset||-2,i.stop(!0),i.overrideFlag=!0;var a=this,o=this.getStep(e.offset).image,s=this.getOutput(e.offset);t("get-pixels")(n.src,function(n,i){return e.secondImagePixels=i,t("../_nomodule/PixelManipulation.js")(s,{output:function(t,e,n){a.output={src:e,format:n}},changePixel:function(t,n,r,i,a,o){var s=e.secondImagePixels;return a>=e.x&&a=e.y&&o
To work with a new or different image, drag one into the drop zone.",ID:e.options.sequencerCounter++,imageName:t,inBrowser:e.options.inBrowser,ui:e.options.ui},o={src:n,steps:[{options:{id:r.ID,name:"load-image",description:"This initial step loads and displays the original image without any modifications.",title:"Load Image",step:r},UI:e.events,draw:function(){return UI.onDraw(options.step),1==arguments.length?(this.output=a(arguments[0]),options.step.output=this.output,UI.onComplete(options.step),!0):2==arguments.length&&(this.output=a(arguments[0]),options.step.output=this.output,arguments[1](),UI.onComplete(options.step),!0)}}]};a(n,function(n){var r=function(t){return{src:t,format:t.split(":")[1].split(";")[0].split("/")[1]}}(n);e.images[t]=o;var a=e.images[t].steps[0];return a.output=r,a.options.step.output=a.output.src,a.UI.onSetup(a.options.step),a.UI.onDraw(a.options.step),a.UI.onComplete(a.options.step),i(),!0})}(n,r)}},{urify:132}],216:[function(t,e,n){e.exports=function(){return function(t){var e=$(t.dropZoneSelector),n=$(t.fileInputSelector),r=t.onLoad;function i(t){if(t.preventDefault(),t.stopPropagation(),t.target&&t.target.files)var e=t.target.files[0];else e=t.dataTransfer.files[0];if(e){var n=new FileReader;n.onload=r,n.readAsDataURL(e)}}new FileReader,n.on("change",i),e[0].addEventListener("drop",i,!1),e.on("dragover",function(t){t.stopPropagation(),t.preventDefault(),t.dataTransfer.dropEffect="copy"},!1),e.on("dragenter",function(t){e.addClass("hover")}),e.on("dragleave",function(t){e.removeClass("hover")})}}},{}],217:[function(t,e,n){e.exports=function(t={}){return t.onSetup=t.onSetup||function(t){0==t.ui||(t.inBrowser?console.log('Added Step "'+t.name+'" to "'+t.imageName+'".'):console.log("%s",'Added Step "'+t.name+'" to "'+t.imageName+'".'))},t.onDraw=t.onDraw||function(t){0==t.ui||(t.inBrowser?console.log('Drawing Step "'+t.name+'" on "'+t.imageName+'".'):console.log("%s",'Drawing Step "'+t.name+'" on "'+t.imageName+'".'))},t.onComplete=t.onComplete||function(t){0==t.ui||(t.inBrowser?console.log('Drawn Step "'+t.name+'" on "'+t.imageName+'".'):console.log("%s",'Drawn Step "'+t.name+'" on "'+t.imageName+'".'))},t.onRemove=t.onRemove||function(t){0==t.ui||(t.inBrowser?console.log('Removing Step "'+t.name+'" of "'+t.imageName+'".'):console.log("%s",'Removing Step "'+t.name+'" of "'+t.imageName+'".'))},t}},{}],218:[function(t,e,n){e.exports=function(t){var e=void 0;return"jpeg"===(e=(e=function(t){return"data:image"===t.substr(0,10)}(t)?t.split(";")[0].split("/").pop():t.split(".").pop()).toLowerCase())&&(e="jpg"),["jpg","jpeg","png","gif","canvas"].includes(e)?e:"jpg"}},{}],219:[function(t,e,n){e.exports={getPreviousStep:function(){return this.getStep(-1)},getNextStep:function(){return this.getStep(1)},getInput:function(t){return t+this.getIndex()===0&&t++,this.getStep(t-1).output},getOutput:function(t){return this.getStep(t).output},getOptions:function(){return this.getStep(0).options},setOptions:function(t){let e=this.getStep(0).options;for(let n in t)e[n]&&(e[n]=t[n])},getFormat:function(){return this.getStep(-1).output.format},getHeight:function(t){let e=new Image;e.onload=function(){t(e.height)},e.src=this.getInput(0).src},getWidth:function(t){let e=new Image;e.onload=function(){t(e.width)},e.src=this.getInput(0).src}}},{}]},{},[139]); \ No newline at end of file diff --git a/src/Modules.js b/src/Modules.js index aab9d8c6..4c80ca49 100644 --- a/src/Modules.js +++ b/src/Modules.js @@ -22,4 +22,5 @@ module.exports = { 'ndvi-colormap': require('./modules/NdviColormap'), 'colorbar': require('./modules/Colorbar'), 'gamma-correction': require('./modules/GammaCorrection'), + 'convolution': require('./modules/Convolution'), } \ No newline at end of file diff --git a/src/modules/Convolution/Convolution.js b/src/modules/Convolution/Convolution.js new file mode 100644 index 00000000..32b748a5 --- /dev/null +++ b/src/modules/Convolution/Convolution.js @@ -0,0 +1,71 @@ +var _ = require('lodash'); +module.exports = exports = function(pixels, constantFactor, kernelValues){ + let kernel = kernelGenerator(constantFactor, kernelValues), oldpix = _.cloneDeep(pixels); + kernel = flipKernel(kernel); + + for (let i = 0; i < pixels.shape[0]; i++) { + for (let j = 0; j < pixels.shape[1]; j++) { + let neighboutPos = getNeighbouringPixelPositions([i, j]); + let acc = [0.0, 0.0, 0.0, 0.0]; + for (let a = 0; a < kernel.length; a++) { + for (let b = 0; b < kernel.length; b++) { + acc[0] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 0) * kernel[a][b]); + acc[1] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 1) * kernel[a][b]); + acc[2] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 2) * kernel[a][b]); + acc[3] += (oldpix.get(neighboutPos[a][b][0], neighboutPos[a][b][1], 3) * kernel[a][b]); + } + } + acc[0] = acc[0]%255; + acc[1] = acc[1]%255; + acc[2] = acc[2]%255; + pixels.set(i, j, 0, acc[0]); + pixels.set(i, j, 1, acc[1]); + pixels.set(i, j, 2, acc[2]); + } + } + return pixels; + + + function kernelGenerator(constantFactor, kernelValues){ + kernelValues = kernelValues.split(" "); + for(i = 0 ; i < 9; i++){ + kernelValues[i] = Number(kernelValues[i]) * constantFactor; + } + let k = 0; + let arr = []; + for(i = 0; i < 3; i++){ + let columns = []; + for(j = 0; j < 3; j++){ + columns.push(kernelValues[k]); + k += 1; + } + arr.push(columns); + } + return arr; + } + + function getNeighbouringPixelPositions(pixelPosition) { + let x = pixelPosition[0], y = pixelPosition[1], result = []; + + for (let i = -1; i <= 1; i++) { + let arr = []; + for (let j = -1; j <= 1; j++) + arr.push([x + i, y + j]); + + result.push(arr); + } + return result; + } + + function flipKernel(kernel) { + let result = []; + for (let i = kernel.length - 1; i >= 0; i--) { + let arr = []; + for (let j = kernel[i].length - 1; j >= 0; j--) { + arr.push(kernel[i][j]); + } + result.push(arr); + } + return result; + } +} \ No newline at end of file diff --git a/src/modules/Convolution/Module.js b/src/modules/Convolution/Module.js new file mode 100644 index 00000000..1909f2c4 --- /dev/null +++ b/src/modules/Convolution/Module.js @@ -0,0 +1,45 @@ +module.exports = function Convolution(options, UI) { + + options.kernelValues = options.kernelValues || '1 1 1 1 1 1 1 1 1'; + options.constantFactor = options.constantFactor || 1/9; + var output; + + function draw(input, callback, progressObj) { + + progressObj.stop(true); + progressObj.overrideFlag = true; + + var step = this; + + function changePixel(r, g, b, a) { + return [r, g, b, a] + } + + function extraManipulation(pixels) { + pixels = require('./Convolution')(pixels, options.constantFactor, options.kernelValues) + return pixels + } + + function output(image, datauri, mimetype) { + + step.output = { src: datauri, format: mimetype }; + + } + + return require('../_nomodule/PixelManipulation.js')(input, { + output: output, + changePixel: changePixel, + extraManipulation: extraManipulation, + format: input.format, + image: options.image, + callback: callback + }); + + } + return { + options: options, + draw: draw, + output: output, + UI: UI + } +} diff --git a/src/modules/Convolution/index.js b/src/modules/Convolution/index.js new file mode 100644 index 00000000..11ef888f --- /dev/null +++ b/src/modules/Convolution/index.js @@ -0,0 +1,4 @@ +module.exports = [ + require('./Module'), + require('./info.json') +] \ No newline at end of file diff --git a/src/modules/Convolution/info.json b/src/modules/Convolution/info.json new file mode 100644 index 00000000..193843b5 --- /dev/null +++ b/src/modules/Convolution/info.json @@ -0,0 +1,16 @@ +{ + "name": "Convolution", + "description": "Image Convolution using a given 3x3 kernel matrix", + "inputs": { + "constantFactor":{ + "type": "Float", + "desc": "a constant factor, multiplies all the kernel values by that factor", + "default": 0.1111 + }, + "kernelValues": { + "type": "String", + "desc": "nine space separated numbers representing the kernel values in left to right and top to bottom format.", + "default": "1 1 1 1 1 1 1 1 1" + } + } +}