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Improve Code Quality and Optimize (#763)

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Signed-off-by: tech4GT <varun.gupta1798@gmail.com>
This commit is contained in:
Varun Gupta
2019-02-16 11:05:32 +05:30
committed by GitHub
parent f42aa2fd67
commit 75dc23fb55
26 changed files with 1332 additions and 921 deletions
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55
src/modules/Average/Module.js
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@@ -1,64 +1,63 @@
/*
* Average all pixel colors
*/
module.exports = function Average(options, UI){
module.exports = function Average(options, UI) {
var output;
options.step.metadata = options.step.metadata || {};
function draw(input,callback,progressObj){
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]
}
// do the averaging
function extraManipulation(pixels){
var sum = [0,0,0,0];
for (var i = 0; i < pixels.data.length; i += 4) {
sum[0] += pixels.data[i + 0];
sum[1] += pixels.data[i + 1];
sum[2] += pixels.data[i + 2];
sum[3] += pixels.data[i + 3];
function extraManipulation(pixels) {
var i = 0, sum = [0, 0, 0, 0];
while (i < pixels.data.length) {
sum[0] += pixels.data[i++];
sum[1] += pixels.data[i++];
sum[2] += pixels.data[i++];
sum[3] += pixels.data[i++];
}
sum[0] = parseInt(sum[0] / (pixels.data.length / 4));
sum[1] = parseInt(sum[1] / (pixels.data.length / 4));
sum[2] = parseInt(sum[2] / (pixels.data.length / 4));
sum[3] = parseInt(sum[3] / (pixels.data.length / 4));
let divisor = pixels.data.length / 4;
for (var i = 0; i < pixels.data.length; i += 4) {
pixels.data[i + 0] = sum[0];
pixels.data[i + 1] = sum[1];
pixels.data[i + 2] = sum[2];
pixels.data[i + 3] = sum[3];
sum[0] = Math.floor(sum[0] / divisor);
sum[1] = Math.floor(sum[1] / divisor);
sum[2] = Math.floor(sum[2] / divisor);
sum[3] = Math.floor(sum[3] / divisor);
i = 0
while (i < pixels.data.length) {
pixels.data[i++] = sum[0];
pixels.data[i++] = sum[1];
pixels.data[i++] = sum[2];
pixels.data[i++] = sum[3];
}
// report back and store average in metadata:
options.step.metadata.averages = sum;
console.log("average: ", sum);
// TODO: refactor into a new "display()" method as per https://github.com/publiclab/image-sequencer/issues/242
if (options.step.inBrowser && options.step.ui) $(options.step.ui).find('.details').append("<p><b>Averages</b> (r, g, b, a): " + sum.join(', ') + "</p>");
return pixels;
}
function output(image, datauri, mimetype){
function output(image, datauri, mimetype) {
// This output is accessible by Image Sequencer
step.output = {
src: datauri,
format: mimetype
src: datauri,
format: mimetype
};
}
return require('../_nomodule/PixelManipulation.js')(input, {
output: output,
changePixel: changePixel,
extraManipulation: extraManipulation,
format: input.format,
image: options.image,
@@ -68,7 +67,7 @@ module.exports = function Average(options, UI){
}
return {
options: options,
draw: draw,
draw: draw,
output: output,
UI: UI
}