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Allow for custom pixels functions

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This commit is contained in:
Devine Lu Linvega 2019-07-30 21:45:44 +09:00
parent d82d3a59fb
commit e54eed7ad9
1 changed files with 4 additions and 2 deletions
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6
desktop/sources/scripts/library.js
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@ -212,12 +212,14 @@ function Library (ronin) {
// Pixels
this.pixels = (fn, q = 1, rect = this.frame()) => {
this.pixels = async (fn, q = 1, rect = this.frame()) => {
if (!fn) { console.warn('Unknown function'); return rect }
const img = ronin.surface.context.getImageData(rect.x, rect.y, rect.w, rect.h)
for (let i = 0, loop = img.data.length; i < loop; i += 4) {
const pixel = [img.data[i], img.data[i + 1], img.data[i + 2], img.data[i + 3]]
const processed = fn(pixel, q)
const processed = await fn(pixel, q)
console.log(processed)
img.data[i] = this.clamp(parseInt(processed[0]), 0, 255)
img.data[i + 1] = this.clamp(parseInt(processed[1]), 0, 255)
img.data[i + 2] = this.clamp(parseInt(processed[2]), 0, 255)