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hub / github.com/benfry/processing4 / blend_hard_light

Method blend_hard_light

core/src/processing/core/PImage.java:2681–2708  ·  view source on GitHub ↗

Hard Light O = OVERLAY(S, D) O = 2 MULTIPLY(D, S) = 2DS for S < 0.5 O = 2 SCREEN(D, S) - 1 = 2(S + D - DS) - 1 otherwise

(int dst, int src)

Source from the content-addressed store, hash-verified

2679 * </pre>
2680 */
2681 private static int blend_hard_light(int dst, int src) {
2682 int a = src >>> 24;
2683
2684 int s_a = a + (a >= 0x7F ? 1 : 0);
2685 int d_a = 0x100 - s_a;
2686
2687 int d_r = dst & RED_MASK;
2688 int d_g = dst & GREEN_MASK;
2689 int d_b = dst & BLUE_MASK;
2690
2691 int s_r = src & RED_MASK;
2692 int s_g = src & GREEN_MASK;
2693 int s_b = src & BLUE_MASK;
2694
2695 int r = (s_r < 0x800000) ?
2696 s_r * ((d_r >>> 16) + 1) >>> 7 :
2697 0xFF0000 - ((0x100 - (d_r >>> 16)) * (RED_MASK - s_r) >>> 7);
2698 int g = (s_g < 0x8000) ?
2699 s_g * (d_g + 0x100) >>> 15 :
2700 (0xFF00 - ((0x10000 - d_g) * (GREEN_MASK - s_g) >>> 15));
2701 int b = (s_b < 0x80) ?
2702 s_b * (d_b + 1) >>> 7 :
2703 (0xFF00 - ((0x100 - d_b) * (BLUE_MASK - s_b) << 1)) >>> 8;
2704
2705 return min((dst >>> 24) + a, 0xFF) << 24 |
2706 ((dst & RB_MASK) * d_a + ((r | b) & RB_MASK) * s_a) >>> 8 & RB_MASK |
2707 ((dst & GN_MASK) * d_a + (g & GN_MASK) * s_a) >>> 8 & GN_MASK;
2708 }
2709
2710
2711 /**

Callers 3

blendColorMethod · 0.95
blitResizeBilinearMethod · 0.95
blitResizeNearestMethod · 0.95

Calls 1

minMethod · 0.95

Tested by

no test coverage detected