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Searched refs:gdAlphaMax (Results 1 – 6 of 6) sorted by relevance

/PHP-7.0/ext/gd/libgd/
H A Dgdft.c608 gdAlphaMax - (gdTrueColorGetAlpha (fg) * pixel / NUMCOLORS));
654 level = (bitmap.buffer[pc] * gdAlphaMax / (bitmap.num_grays - 1));
669 level = level * (gdAlphaMax - gdTrueColorGetAlpha(fg)) / gdAlphaMax;
671 level = gdAlphaMax - level;
681 if (level < (gdAlphaMax / 2)) {
H A Dgd.c2576 if (alpha > gdAlphaMax) { in gdImageCopyResampled()
2577 alpha = gdAlphaMax; in gdImageCopyResampled()
2902 gdTrueColorGetRed (src) / gdAlphaMax) + in gdAlphaBlendOld()
2904 gdTrueColorGetRed (dst)) / gdAlphaMax) << 16) + in gdAlphaBlendOld()
2906 gdTrueColorGetGreen (src) / gdAlphaMax) + in gdAlphaBlendOld()
2910 gdTrueColorGetBlue (src) / gdAlphaMax) + in gdAlphaBlendOld()
2912 gdTrueColorGetBlue (dst)) / gdAlphaMax)); in gdAlphaBlendOld()
2944 alpha = src_alpha * dst_alpha / gdAlphaMax; in gdAlphaBlend()
2980 a1 = gdAlphaMax - gdTrueColorGetAlpha(dst); in gdLayerOverlay()
2981 a2 = gdAlphaMax - gdTrueColorGetAlpha(src); in gdLayerOverlay()
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H A Dgd_webp.c88 register uint8_t a = gdAlphaMax - (*(p++) >> 1); in gdImageCreateFromWebpCtx()
H A Dgd_png.c245 im->alpha[i] = gdAlphaMax - (trans[i] >> 1); in gdImageCreateFromPngCtx()
385 register png_byte a = gdAlphaMax - (row_pointers[h][boffset++] >> 1); in gdImageCreateFromPngCtx()
H A Dgd.h81 #define gdAlphaMax 127 macro
H A Dgd_interpolation.c631 const int dst_weight = (gdAlphaTransparent - dst_alpha) * src_alpha / gdAlphaMax; in _color_blend()
634 alpha = src_alpha * dst_alpha / gdAlphaMax; in _color_blend()
795 a = CLAMP(a, 0, gdAlphaMax); in getPixelInterpolateWeight()
884 new_a = CLAMP(new_a, 0, gdAlphaMax); in getPixelInterpolated()

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