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imagescript

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zero-dependency javascript image manipulation

33 lines (28 loc) 815 B
export function color(int, framebuffer) { framebuffer.view.setUint32(0, int); framebuffer.u32.fill(framebuffer.u32[0]); } export function fn(cb, framebuffer) { let offset = 0 | 0; const view = framebuffer.view; const width = framebuffer.width | 0; const height = framebuffer.height | 0; for (let y = 1 | 0; y <= height; y++) { for (let x = 1 | 0; x <= width; x++) { view.setUint32(offset, cb(x, y), false); offset += 4; } } } export function swap(old, int, framebuffer) { { const t = new Uint32Array(2); const v = new DataView(t.buffer); old = (v.setUint32(0, old), t[0]); int = (v.setUint32(4, int), t[1]); } const u32 = framebuffer.u32; const l = framebuffer.u32.length | 0; for (let o = 0 | 0; o < l; o++) { if (old === u32[o]) u32[o] = int; } }