Added /pride
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b262c002af
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5 changed files with 64 additions and 6 deletions
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@ -436,6 +436,23 @@
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"size": 1200
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}
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}
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},
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"pride": {
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"src": "./resources/PrideOverlay.png",
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"z": 2,
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"anchor": {
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"x": {
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"position": 0,
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"offset": 0,
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"size": 512
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},
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"y": {
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"position": 0,
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"offset": 0,
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"size": 512
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}
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},
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"filter": "pride"
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}
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}
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}
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31
filters.js
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31
filters.js
Normal file
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@ -0,0 +1,31 @@
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const _ = require('lodash');
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const Canvas = require('canvas');
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const { _drawImage } = require('./imageex');
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const { createCanvas, Image } = Canvas;
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const filters = {
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pride: (canvas, source, x, y, props) => {
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_.each(canvas.frames, frame => {
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const tmpCanvas = createCanvas(frame.canvas.width, frame.canvas.height);
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const tmpCtx = tmpCanvas.getContext('2d');
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_drawImage(tmpCtx, frame.canvas, x, y, props);
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const multiplyProps = _.extend({}, props, { attributes: { globalCompositeOperation: 'multiply' } });
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_drawImage(tmpCtx, source.frames[0].canvas, x, y, multiplyProps);
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const tmpCanvas2 = createCanvas(frame.canvas.width, frame.canvas.height);
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const tmpCtx2 = tmpCanvas2.getContext('2d');
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_drawImage(tmpCtx2, frame.canvas, x, y, props);
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const sourceInProps = _.extend({}, props, { attributes: { globalCompositeOperation: 'source-in' } });
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_drawImage(tmpCtx2, source.frames[0].canvas, x, y, sourceInProps);
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const combineProps2 = _.extend({}, props, { attributes: { globalCompositeOperation: 'source-atop', globalAlpha: 0.9 } });
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_drawImage(frame.ctx, tmpCanvas2, x, y, combineProps2);
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const combineProps = _.extend({}, props, { attributes: { globalCompositeOperation: 'source-atop', globalAlpha: 0.8 } });
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_drawImage(frame.ctx, tmpCanvas, x, y, combineProps);
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});
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return canvas;
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}
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};
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module.exports = filters;
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@ -289,5 +289,6 @@ class CanvasEx {
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module.exports = {
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CanvasEx,
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ImageEx
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ImageEx,
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_drawImage
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};
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19
index.js
19
index.js
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@ -9,6 +9,8 @@ const twemoji = require('./twemoji');
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const app = express();
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const config = require('./config.default.json');
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const filters = require('./filters.js');
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try {
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_.extend(config, require('./config')); // eslint-disable-line global-require
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} catch (err) {
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@ -113,10 +115,11 @@ function render(template, img, size, flipH) {
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w: template.image.width * templateScale,
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name: `template ${template.src}`,
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flipH,
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attributes: template.attributes
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attributes: template.attributes,
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filter: filters[template.filter]
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}].sort((u, v) => u.z > v.z);
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const canvas = new CanvasEx(resultingWidth, resultingHeight);
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let canvas = new CanvasEx(resultingWidth, resultingHeight);
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for (let i = 0; i < toDraw.length; ++i) {
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const subject = toDraw[i];
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@ -127,9 +130,15 @@ function render(template, img, size, flipH) {
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transform.translate = [resultingWidth, 0];
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transform.scale = [-1, 1];
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}
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canvas.drawImage(subject.image, subject.x, subject.y, {
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width: subject.w, height: subject.h, transform, attributes: subject.attributes
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});
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if (subject.filter) {
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canvas = subject.filter(canvas, subject.image, subject.x, subject.y, {
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width: subject.w, height: subject.h, transform, attributes: subject.attributes
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});
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} else {
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canvas.drawImage(subject.image, subject.x, subject.y, {
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width: subject.w, height: subject.h, transform, attributes: subject.attributes
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});
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}
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} catch (err) {
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console.error(err);
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throw new Error(JSON.stringify({ status: 400, error: 'Invalid template' }));
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BIN
resources/PrideOverlay.png
Normal file
BIN
resources/PrideOverlay.png
Normal file
Binary file not shown.
After Width: | Height: | Size: 78 KiB |
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