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Fixed \pride

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This commit is contained in:
CBenni 2018-02-26 13:23:54 +01:00
parent a3ab0e3ef7
commit 5a6bd5c6a5
2 changed files with 8 additions and 4 deletions
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11
filters.js
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@ -7,22 +7,25 @@ const { createCanvas, Image } = Canvas;
const filters = { const filters = {
pride: (canvas, source, x, y, props) => { pride: (canvas, source, x, y, props) => {
_.each(canvas.frames, frame => { _.each(canvas.frames, frame => {
const basicProps = { width: props.width, height: props.height };
const tmpCanvas = createCanvas(frame.canvas.width, frame.canvas.height); const tmpCanvas = createCanvas(frame.canvas.width, frame.canvas.height);
const tmpCtx = tmpCanvas.getContext('2d'); const tmpCtx = tmpCanvas.getContext('2d');
_drawImage(tmpCtx, frame.canvas, x, y, props); _drawImage(tmpCtx, frame.canvas, x, y, basicProps);
const multiplyProps = _.extend({}, props, { attributes: { globalCompositeOperation: 'multiply' } }); const multiplyProps = _.extend({}, props, { attributes: { globalCompositeOperation: 'multiply' } });
console.log('multiply props:', multiplyProps);
_drawImage(tmpCtx, source.frames[0].canvas, x, y, multiplyProps); _drawImage(tmpCtx, source.frames[0].canvas, x, y, multiplyProps);
const tmpCanvas2 = createCanvas(frame.canvas.width, frame.canvas.height); const tmpCanvas2 = createCanvas(frame.canvas.width, frame.canvas.height);
const tmpCtx2 = tmpCanvas2.getContext('2d'); const tmpCtx2 = tmpCanvas2.getContext('2d');
_drawImage(tmpCtx2, frame.canvas, x, y, props); _drawImage(tmpCtx2, frame.canvas, x, y, basicProps);
const sourceInProps = _.extend({}, props, { attributes: { globalCompositeOperation: 'source-in' } }); const sourceInProps = _.extend({}, props, { attributes: { globalCompositeOperation: 'source-in' } });
_drawImage(tmpCtx2, source.frames[0].canvas, x, y, sourceInProps); _drawImage(tmpCtx2, source.frames[0].canvas, x, y, sourceInProps);
const combineProps2 = _.extend({}, props, { attributes: { globalCompositeOperation: 'source-atop', globalAlpha: 0.9 } }); const combineProps2 = _.extend({}, basicProps, { attributes: { globalCompositeOperation: 'source-atop', globalAlpha: 1 } });
_drawImage(frame.ctx, tmpCanvas2, x, y, combineProps2); _drawImage(frame.ctx, tmpCanvas2, x, y, combineProps2);
const combineProps = _.extend({}, props, { attributes: { globalCompositeOperation: 'source-atop', globalAlpha: 0.8 } }); const combineProps = _.extend({}, basicProps, { attributes: { globalCompositeOperation: 'source-atop', globalAlpha: 0.6 } });
_drawImage(frame.ctx, tmpCanvas, x, y, combineProps); _drawImage(frame.ctx, tmpCanvas, x, y, combineProps);
}); });
return canvas; return canvas;

1
imageex.js
View file

@ -33,6 +33,7 @@ function _drawImage(ctx, img, x, y, args = {}) {
ctx.save(); ctx.save();
if (args.transform) { if (args.transform) {
_.each(args.transform, (val, prop) => { _.each(args.transform, (val, prop) => {
console.log(`Transforming ${prop} by ${val}`);
ctx[prop](...val); ctx[prop](...val);
}); });
} }