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Searched refs:gdAlphaMax (Results 1 – 5 of 5) sorted by relevance

/PHP-5.5/ext/gd/libgd/
H A Dgdft.c575 gdAlphaMax - (gdTrueColorGetAlpha (fg) * pixel / NUMCOLORS));
621 level = (bitmap.buffer[pc] * gdAlphaMax / (bitmap.num_grays - 1));
634 level = level * (gdAlphaMax - gdTrueColorGetAlpha(fg)) / gdAlphaMax;
636 level = gdAlphaMax - level;
646 if (level < (gdAlphaMax / 2)) {
H A Dgd.c2560 if (alpha > gdAlphaMax) { in gdImageCopyResampled()
2561 alpha = gdAlphaMax; in gdImageCopyResampled()
2873 gdTrueColorGetRed (src) / gdAlphaMax) + in gdAlphaBlendOld()
2875 gdTrueColorGetRed (dst)) / gdAlphaMax) << 16) + in gdAlphaBlendOld()
2877 gdTrueColorGetGreen (src) / gdAlphaMax) + in gdAlphaBlendOld()
2881 gdTrueColorGetBlue (src) / gdAlphaMax) + in gdAlphaBlendOld()
2883 gdTrueColorGetBlue (dst)) / gdAlphaMax)); in gdAlphaBlendOld()
2915 alpha = src_alpha * dst_alpha / gdAlphaMax; in gdAlphaBlend()
2951 a1 = gdAlphaMax - gdTrueColorGetAlpha(dst); in gdLayerOverlay()
2952 a2 = gdAlphaMax - gdTrueColorGetAlpha(src); in gdLayerOverlay()
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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.c619 const int dst_weight = (gdAlphaTransparent - dst_alpha) * src_alpha / gdAlphaMax; in _color_blend()
622 alpha = src_alpha * dst_alpha / gdAlphaMax; in _color_blend()
783 a = CLAMP(a, 0, gdAlphaMax); in getPixelInterpolateWeight()
876 new_a = CLAMP(new_a, 0, gdAlphaMax); in getPixelInterpolated()

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