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[GCI] Experimental GIF Manipulation (#1404)

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* wasmSuccess

* modules use wasmSuccess

* modules use wasmSuccess

* add the tooltip

* add GIF support

* fix imageDImensions function

* fix inputCoordinatesParser function

* show correct image dimensions

* show correct image dimensions

* don't allow save as PDF for GIFs

* fix QR module

* fix BlobAnalysis

* fix Blur

* fix Colorbar

* fix Crop

* fix crop defaults

* fix DrawRectangle

* fix EdgeDetect

* fix FlipImage

* fix Gradient

* fix Invert

* fix Overlay

* fix Resize

* fix Rotate

* fix TextOverlay

* fix parse input test

* make GIFs work in nodejs

* sample GIF test

* small change

* cleanup

* cleanup

* cleanup

* small fix

* small change

* handle errors

* proper error handling and fix tests

* cleanup

* try a fix

* try another fix

* fix module benchmarks

* try more fixes

* revert

* try fixing the tests

* fix overlay test

* add the gif tests

* remove unnecessary changes

* fix tests

* whoops

* add some docs

* inBrowser

* fix all module tests

Co-authored-by: Jeffrey Warren <jeff@unterbahn.com>
This commit is contained in:
Harsh Khandeparkar
2020-01-11 22:35:10 +05:30
committed by Jeffrey Warren
parent 61b2d75383
commit ea2069d7f6
50 changed files with 922 additions and 613 deletions
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67
src/modules/Gradient/Module.js
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@@ -1,52 +1,41 @@
module.exports = function Invert(options, UI) {
const pixelSetter = require('../../util/pixelSetter.js');
const pixelSetter = require('../../util/pixelSetter.js'),
pixelManipulation = require('../_nomodule/PixelManipulation');
module.exports = function Gradient(options, UI) {
var output;
// The function which is called on every draw.
function draw(input, callback) {
var getPixels = require('get-pixels');
var savePixels = require('save-pixels');
var step = this;
getPixels(input.src, function(err, pixels) {
if (err) {
console.log('Bad Image path');
return;
}
var width = pixels.shape[0];
for (var i = 0; i < pixels.shape[0]; i++) {
for (var j = 0; j < pixels.shape[1]; j++) {
let val = (i / width) * 255;
pixelSetter(i, j, [val, val, val, 255], pixels);
}
}
var chunks = [];
var totalLength = 0;
var r = savePixels(pixels, input.format, { quality: 100 });
r.on('data', function(chunk) {
totalLength += chunk.length;
chunks.push(chunk);
});
r.on('end', function() {
var data = Buffer.concat(chunks, totalLength).toString('base64');
var datauri = 'data:image/' + input.format + ';base64,' + data;
output(input.image, datauri, input.format);
callback();
});
});
function output(image, datauri, mimetype, wasmSuccess) {
step.output = { src: datauri, format: mimetype, wasmSuccess, useWasm: options.useWasm };
}
function extraManipulation(pixels) {
const [w, h] = pixels.shape;
for (var i = 0; i < w; i++) {
for (var j = 0; j < h; j++) {
let val = (i / w) * 255;
pixelSetter(i, j, [val, val, val, 255], pixels);
}
}
return pixels;
}
return pixelManipulation(input, {
output,
extraManipulation,
callback,
format: input.format,
image: options.image,
inBrowser: options.inBrowser,
useWasm:options.useWasm
});
}
return {