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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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58
src/modules/EdgeDetect/Module.js
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@@ -1,4 +1,5 @@
/**
const Blur = require('../Blur/Blur');
/*
* Detect Edges in an Image
* Uses Canny method for the same
* Read more: https://en.wikipedia.org/wiki/Canny_edge_detector
@@ -21,42 +22,31 @@ module.exports = function edgeDetect(options, UI) {
var step = this;
// Blur the image.
const internalSequencer = ImageSequencer({ inBrowser: false, ui: false });
return internalSequencer.loadImage(input.src, function() {
internalSequencer.importJSON([{ 'name': 'blur', 'options': { blur: options.blur } }]); // Blurs the image before detecting edges to reduce noise.
return internalSequencer.run(function onCallback(internalOutput) {
require('get-pixels')(internalOutput, function(err, blurPixels) {
if (err) {
return;
}
// Makes the image greyscale
function changePixel(r, g, b, a) {
return [(r + g + b) / 3, (r + g + b) / 3, (r + g + b) / 3, a];
}
// Extra Manipulation function used as an enveloper for applying gaussian blur and Convolution.
function changePixel(r, g, b, a) {
return [(r + g + b) / 3, (r + g + b) / 3, (r + g + b) / 3, a];
}
// Extra Manipulation function used as an enveloper for applying gaussian blur and Convolution
function extraManipulation(pixels) {
const blurPixels = Blur(pixels, options.blur);
return require('./EdgeUtils')(blurPixels, options.highThresholdRatio, options.lowThresholdRatio, options.hysteresis);
}
function extraManipulation() {
return require('./EdgeUtils')(blurPixels, options.highThresholdRatio, options.lowThresholdRatio, options.hysteresis);
}
function output(image, datauri, mimetype, wasmSuccess) {
step.output = { src: datauri, format: mimetype, wasmSuccess, useWasm: options.useWasm };
}
function output(image, datauri, mimetype, wasmSuccess) {
step.output = { src: datauri, format: mimetype, wasmSuccess, useWasm: options.useWasm };
}
return require('../_nomodule/PixelManipulation.js')(input, {
output: output,
ui: options.step.ui,
changePixel: changePixel,
extraManipulation: extraManipulation,
format: input.format,
image: options.image,
inBrowser: options.inBrowser,
callback: callback,
useWasm: options.useWasm
});
});
});
return require('../_nomodule/PixelManipulation.js')(input, {
output: output,
ui: options.step.ui,
changePixel: changePixel,
extraManipulation: extraManipulation,
format: input.format,
image: options.image,
inBrowser: options.inBrowser,
callback: callback,
useWasm: options.useWasm
});
}