diff options
Diffstat (limited to 'source/blender/blenlib/intern/math_color_blend_inline.c')
| -rw-r--r-- | source/blender/blenlib/intern/math_color_blend_inline.c | 1919 |
1 files changed, 975 insertions, 944 deletions
diff --git a/source/blender/blenlib/intern/math_color_blend_inline.c b/source/blender/blenlib/intern/math_color_blend_inline.c index f3e6ff8b110..7241779b32a 100644 --- a/source/blender/blenlib/intern/math_color_blend_inline.c +++ b/source/blender/blenlib/intern/math_color_blend_inline.c @@ -31,11 +31,11 @@ #include "BLI_utildefines.h" #ifndef __MATH_COLOR_BLEND_INLINE_C__ -#define __MATH_COLOR_BLEND_INLINE_C__ +# define __MATH_COLOR_BLEND_INLINE_C__ /* don't add any saturation to a completely black and white image */ -#define EPS_SATURATION 0.0005f -#define EPS_ALPHA 0.0005f +# define EPS_SATURATION 0.0005f +# define EPS_ALPHA 0.0005f /***************************** Color Blending ******************************** * @@ -49,1123 +49,1154 @@ /* straight alpha byte blending modes */ -MINLINE void blend_color_mix_byte(unsigned char dst[4], const unsigned char src1[4], const unsigned char src2[4]) +MINLINE void blend_color_mix_byte(unsigned char dst[4], + const unsigned char src1[4], + const unsigned char src2[4]) { - if (src2[3] != 0) { - /* straight over operation */ - const int t = src2[3]; - const int mt = 255 - t; - int tmp[4]; - - tmp[0] = (mt * src1[3] * src1[0]) + (t * 255 * src2[0]); - tmp[1] = (mt * src1[3] * src1[1]) + (t * 255 * src2[1]); - tmp[2] = (mt * src1[3] * src1[2]) + (t * 255 * src2[2]); - tmp[3] = (mt * src1[3]) + (t * 255); - - dst[0] = (unsigned char)divide_round_i(tmp[0], tmp[3]); - dst[1] = (unsigned char)divide_round_i(tmp[1], tmp[3]); - dst[2] = (unsigned char)divide_round_i(tmp[2], tmp[3]); - dst[3] = (unsigned char)divide_round_i(tmp[3], 255); - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + if (src2[3] != 0) { + /* straight over operation */ + const int t = src2[3]; + const int mt = 255 - t; + int tmp[4]; + + tmp[0] = (mt * src1[3] * src1[0]) + (t * 255 * src2[0]); + tmp[1] = (mt * src1[3] * src1[1]) + (t * 255 * src2[1]); + tmp[2] = (mt * src1[3] * src1[2]) + (t * 255 * src2[2]); + tmp[3] = (mt * src1[3]) + (t * 255); + + dst[0] = (unsigned char)divide_round_i(tmp[0], tmp[3]); + dst[1] = (unsigned char)divide_round_i(tmp[1], tmp[3]); + dst[2] = (unsigned char)divide_round_i(tmp[2], tmp[3]); + dst[3] = (unsigned char)divide_round_i(tmp[3], 255); + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_add_byte(unsigned char dst[4], const unsigned char src1[4], const unsigned char src2[4]) +MINLINE void blend_color_add_byte(unsigned char dst[4], + const unsigned char src1[4], + const unsigned char src2[4]) { - if (src2[3] != 0) { - /* straight add operation */ - const int t = src2[3]; - int tmp[3]; - - tmp[0] = (src1[0] * 255) + (src2[0] * t); - tmp[1] = (src1[1] * 255) + (src2[1] * t); - tmp[2] = (src1[2] * 255) + (src2[2] * t); - - dst[0] = (unsigned char)min_ii(divide_round_i(tmp[0], 255), 255); - dst[1] = (unsigned char)min_ii(divide_round_i(tmp[1], 255), 255); - dst[2] = (unsigned char)min_ii(divide_round_i(tmp[2], 255), 255); - dst[3] = src1[3]; - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + if (src2[3] != 0) { + /* straight add operation */ + const int t = src2[3]; + int tmp[3]; + + tmp[0] = (src1[0] * 255) + (src2[0] * t); + tmp[1] = (src1[1] * 255) + (src2[1] * t); + tmp[2] = (src1[2] * 255) + (src2[2] * t); + + dst[0] = (unsigned char)min_ii(divide_round_i(tmp[0], 255), 255); + dst[1] = (unsigned char)min_ii(divide_round_i(tmp[1], 255), 255); + dst[2] = (unsigned char)min_ii(divide_round_i(tmp[2], 255), 255); + dst[3] = src1[3]; + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_sub_byte(unsigned char dst[4], const unsigned char src1[4], const unsigned char src2[4]) +MINLINE void blend_color_sub_byte(unsigned char dst[4], + const unsigned char src1[4], + const unsigned char src2[4]) { - if (src2[3] != 0) { - /* straight sub operation */ - const int t = src2[3]; - int tmp[3]; - - tmp[0] = (src1[0] * 255) - (src2[0] * t); - tmp[1] = (src1[1] * 255) - (src2[1] * t); - tmp[2] = (src1[2] * 255) - (src2[2] * t); - - dst[0] = (unsigned char)max_ii(divide_round_i(tmp[0], 255), 0); - dst[1] = (unsigned char)max_ii(divide_round_i(tmp[1], 255), 0); - dst[2] = (unsigned char)max_ii(divide_round_i(tmp[2], 255), 0); - dst[3] = src1[3]; - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + if (src2[3] != 0) { + /* straight sub operation */ + const int t = src2[3]; + int tmp[3]; + + tmp[0] = (src1[0] * 255) - (src2[0] * t); + tmp[1] = (src1[1] * 255) - (src2[1] * t); + tmp[2] = (src1[2] * 255) - (src2[2] * t); + + dst[0] = (unsigned char)max_ii(divide_round_i(tmp[0], 255), 0); + dst[1] = (unsigned char)max_ii(divide_round_i(tmp[1], 255), 0); + dst[2] = (unsigned char)max_ii(divide_round_i(tmp[2], 255), 0); + dst[3] = src1[3]; + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_mul_byte(unsigned char dst[4], const unsigned char src1[4], const unsigned char src2[4]) +MINLINE void blend_color_mul_byte(unsigned char dst[4], + const unsigned char src1[4], + const unsigned char src2[4]) { - if (src2[3] != 0) { - /* straight multiply operation */ - const int t = src2[3]; - const int mt = 255 - t; - int tmp[3]; - - tmp[0] = (mt * src1[0] * 255) + (t * src1[0] * src2[0]); - tmp[1] = (mt * src1[1] * 255) + (t * src1[1] * src2[1]); - tmp[2] = (mt * src1[2] * 255) + (t * src1[2] * src2[2]); - - dst[0] = (unsigned char)divide_round_i(tmp[0], 255 * 255); - dst[1] = (unsigned char)divide_round_i(tmp[1], 255 * 255); - dst[2] = (unsigned char)divide_round_i(tmp[2], 255 * 255); - dst[3] = src1[3]; - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + if (src2[3] != 0) { + /* straight multiply operation */ + const int t = src2[3]; + const int mt = 255 - t; + int tmp[3]; + + tmp[0] = (mt * src1[0] * 255) + (t * src1[0] * src2[0]); + tmp[1] = (mt * src1[1] * 255) + (t * src1[1] * src2[1]); + tmp[2] = (mt * src1[2] * 255) + (t * src1[2] * src2[2]); + + dst[0] = (unsigned char)divide_round_i(tmp[0], 255 * 255); + dst[1] = (unsigned char)divide_round_i(tmp[1], 255 * 255); + dst[2] = (unsigned char)divide_round_i(tmp[2], 255 * 255); + dst[3] = src1[3]; + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_lighten_byte(unsigned char dst[4], const unsigned char src1[4], const unsigned char src2[4]) +MINLINE void blend_color_lighten_byte(unsigned char dst[4], + const unsigned char src1[4], + const unsigned char src2[4]) { - if (src2[3] != 0) { - /* straight lighten operation */ - const int t = src2[3]; - const int mt = 255 - t; - int tmp[3]; - - tmp[0] = (mt * src1[0]) + (t * max_ii(src1[0], src2[0])); - tmp[1] = (mt * src1[1]) + (t * max_ii(src1[1], src2[1])); - tmp[2] = (mt * src1[2]) + (t * max_ii(src1[2], src2[2])); - - dst[0] = (unsigned char)divide_round_i(tmp[0], 255); - dst[1] = (unsigned char)divide_round_i(tmp[1], 255); - dst[2] = (unsigned char)divide_round_i(tmp[2], 255); - dst[3] = src1[3]; - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + if (src2[3] != 0) { + /* straight lighten operation */ + const int t = src2[3]; + const int mt = 255 - t; + int tmp[3]; + + tmp[0] = (mt * src1[0]) + (t * max_ii(src1[0], src2[0])); + tmp[1] = (mt * src1[1]) + (t * max_ii(src1[1], src2[1])); + tmp[2] = (mt * src1[2]) + (t * max_ii(src1[2], src2[2])); + + dst[0] = (unsigned char)divide_round_i(tmp[0], 255); + dst[1] = (unsigned char)divide_round_i(tmp[1], 255); + dst[2] = (unsigned char)divide_round_i(tmp[2], 255); + dst[3] = src1[3]; + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_darken_byte(unsigned char dst[4], const unsigned char src1[4], const unsigned char src2[4]) +MINLINE void blend_color_darken_byte(unsigned char dst[4], + const unsigned char src1[4], + const unsigned char src2[4]) { - if (src2[3] != 0) { - /* straight darken operation */ - const int t = src2[3]; - const int mt = 255 - t; - int tmp[3]; - - tmp[0] = (mt * src1[0]) + (t * min_ii(src1[0], src2[0])); - tmp[1] = (mt * src1[1]) + (t * min_ii(src1[1], src2[1])); - tmp[2] = (mt * src1[2]) + (t * min_ii(src1[2], src2[2])); - - dst[0] = (unsigned char)divide_round_i(tmp[0], 255); - dst[1] = (unsigned char)divide_round_i(tmp[1], 255); - dst[2] = (unsigned char)divide_round_i(tmp[2], 255); - dst[3] = src1[3]; - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + if (src2[3] != 0) { + /* straight darken operation */ + const int t = src2[3]; + const int mt = 255 - t; + int tmp[3]; + + tmp[0] = (mt * src1[0]) + (t * min_ii(src1[0], src2[0])); + tmp[1] = (mt * src1[1]) + (t * min_ii(src1[1], src2[1])); + tmp[2] = (mt * src1[2]) + (t * min_ii(src1[2], src2[2])); + + dst[0] = (unsigned char)divide_round_i(tmp[0], 255); + dst[1] = (unsigned char)divide_round_i(tmp[1], 255); + dst[2] = (unsigned char)divide_round_i(tmp[2], 255); + dst[3] = src1[3]; + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_erase_alpha_byte(unsigned char dst[4], const unsigned char src1[4], const unsigned char src2[4]) +MINLINE void blend_color_erase_alpha_byte(unsigned char dst[4], + const unsigned char src1[4], + const unsigned char src2[4]) { - if (src2[3] != 0) { - /* straight so just modify alpha channel */ - const int t = src2[3]; - - dst[0] = src1[0]; - dst[1] = src1[1]; - dst[2] = src1[2]; - dst[3] = (unsigned char)max_ii(src1[3] - divide_round_i(t * src2[3], 255), 0); - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + if (src2[3] != 0) { + /* straight so just modify alpha channel */ + const int t = src2[3]; + + dst[0] = src1[0]; + dst[1] = src1[1]; + dst[2] = src1[2]; + dst[3] = (unsigned char)max_ii(src1[3] - divide_round_i(t * src2[3], 255), 0); + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_add_alpha_byte(unsigned char dst[4], const unsigned char src1[4], const unsigned char src2[4]) +MINLINE void blend_color_add_alpha_byte(unsigned char dst[4], + const unsigned char src1[4], + const unsigned char src2[4]) { - if (src2[3] != 0) { - /* straight so just modify alpha channel */ - const int t = src2[3]; - - dst[0] = src1[0]; - dst[1] = src1[1]; - dst[2] = src1[2]; - dst[3] = (unsigned char)min_ii(src1[3] + divide_round_i(t * src2[3], 255), 255); - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + if (src2[3] != 0) { + /* straight so just modify alpha channel */ + const int t = src2[3]; + + dst[0] = src1[0]; + dst[1] = src1[1]; + dst[2] = src1[2]; + dst[3] = (unsigned char)min_ii(src1[3] + divide_round_i(t * src2[3], 255), 255); + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_overlay_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_overlay_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = (int)src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - int i = 3; - - while (i--) { - int temp; - - if (src1[i] > 127) { - temp = 255 - ((255 - 2 * (src1[i] - 127)) * (255 - src2[i]) / 255); - } - else { - temp = (2 * src1[i] * src2[i]) >> 8; - } - dst[i] = (unsigned char)min_ii((temp * fac + src1[i] * mfac) / 255, 255); - } - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = (int)src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + int i = 3; + + while (i--) { + int temp; + + if (src1[i] > 127) { + temp = 255 - ((255 - 2 * (src1[i] - 127)) * (255 - src2[i]) / 255); + } + else { + temp = (2 * src1[i] * src2[i]) >> 8; + } + dst[i] = (unsigned char)min_ii((temp * fac + src1[i] * mfac) / 255, 255); + } + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } - -MINLINE void blend_color_hardlight_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_hardlight_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = (int)src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - int i = 3; - - while (i--) { - int temp; - - if (src2[i] > 127) { - temp = 255 - ((255 - 2 * (src2[i] - 127)) * (255 - src1[i]) / 255); - } - else { - temp = (2 * src2[i] * src1[i]) >> 8; - } - dst[i] = (unsigned char)min_ii((temp * fac + src1[i] * mfac) / 255, 255); - } - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = (int)src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + int i = 3; + + while (i--) { + int temp; + + if (src2[i] > 127) { + temp = 255 - ((255 - 2 * (src2[i] - 127)) * (255 - src1[i]) / 255); + } + else { + temp = (2 * src2[i] * src1[i]) >> 8; + } + dst[i] = (unsigned char)min_ii((temp * fac + src1[i] * mfac) / 255, 255); + } + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } - -MINLINE void blend_color_burn_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_burn_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - int i = 3; - - while (i--) { - const int temp = (src2[i] == 0) ? 0 : max_ii(255 - ((255 - src1[i]) * 255) / src2[i], 0); - dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); - } - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + int i = 3; + + while (i--) { + const int temp = (src2[i] == 0) ? 0 : max_ii(255 - ((255 - src1[i]) * 255) / src2[i], 0); + dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); + } + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } - -MINLINE void blend_color_linearburn_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_linearburn_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - int i = 3; - - while (i--) { - const int temp = max_ii(src1[i] + src2[i] - 255, 0); - dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); - } - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + int i = 3; + + while (i--) { + const int temp = max_ii(src1[i] + src2[i] - 255, 0); + dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); + } + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } - -MINLINE void blend_color_dodge_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_dodge_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - int i = 3; - - while (i--) { - const int temp = (src2[i] == 255) ? 255 : min_ii((src1[i] * 255) / (255 - src2[i]), 255); - dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); - } - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + int i = 3; + + while (i--) { + const int temp = (src2[i] == 255) ? 255 : min_ii((src1[i] * 255) / (255 - src2[i]), 255); + dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); + } + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_screen_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_screen_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - int i = 3; - - while (i--) { - const int temp = max_ii(255 - (((255 - src1[i]) * (255 - src2[i])) / 255), 0); - dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); - } - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + int i = 3; + + while (i--) { + const int temp = max_ii(255 - (((255 - src1[i]) * (255 - src2[i])) / 255), 0); + dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); + } + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } - -MINLINE void blend_color_softlight_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_softlight_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - int i = 3; - - while (i--) { - int temp; - - if (src1[i] < 127) { - temp = ((2 * ((src2[i] / 2) + 64)) * src1[i]) / 255; - } - else { - temp = 255 - (2 * (255 - ((src2[i] / 2) + 64)) * (255 - src1[i]) / 255); - } - dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); - } - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + int i = 3; + + while (i--) { + int temp; + + if (src1[i] < 127) { + temp = ((2 * ((src2[i] / 2) + 64)) * src1[i]) / 255; + } + else { + temp = 255 - (2 * (255 - ((src2[i] / 2) + 64)) * (255 - src1[i]) / 255); + } + dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); + } + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } - -MINLINE void blend_color_pinlight_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_pinlight_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - int i = 3; - - while (i--) { - int temp; - - if (src2[i] > 127) { - temp = max_ii(2 * (src2[i] - 127), src1[i]); - } - else { - temp = min_ii(2 * src2[i], src1[i]); - } - dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); - } - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + int i = 3; + + while (i--) { + int temp; + + if (src2[i] > 127) { + temp = max_ii(2 * (src2[i] - 127), src1[i]); + } + else { + temp = min_ii(2 * src2[i], src1[i]); + } + dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); + } + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } - -MINLINE void blend_color_linearlight_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_linearlight_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - int i = 3; - - while (i--) { - int temp; - - if (src2[i] > 127) { - temp = min_ii(src1[i] + 2 * (src2[i] - 127), 255); - } - else { - temp = max_ii(src1[i] + 2 * src2[i] - 255, 0); - } - dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); - } - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + int i = 3; + + while (i--) { + int temp; + + if (src2[i] > 127) { + temp = min_ii(src1[i] + 2 * (src2[i] - 127), 255); + } + else { + temp = max_ii(src1[i] + 2 * src2[i] - 255, 0); + } + dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); + } + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } - -MINLINE void blend_color_vividlight_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_vividlight_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - int i = 3; - - while (i--) { - int temp; - - if (src2[i] == 255) { - temp = (src1[i] == 0) ? 127 : 255; - } - else if (src2[i] == 0) { - temp = (src1[i] == 255) ? 127 : 0; - } - else if (src2[i] > 127) { - temp = min_ii(((src1[i]) * 255) / (2 * (255 - src2[i])), 255); - } - else { - temp = max_ii(255 - ((255 - src1[i]) * 255 / (2 * src2[i])), 0); - } - dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); - } - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + int i = 3; + + while (i--) { + int temp; + + if (src2[i] == 255) { + temp = (src1[i] == 0) ? 127 : 255; + } + else if (src2[i] == 0) { + temp = (src1[i] == 255) ? 127 : 0; + } + else if (src2[i] > 127) { + temp = min_ii(((src1[i]) * 255) / (2 * (255 - src2[i])), 255); + } + else { + temp = max_ii(255 - ((255 - src1[i]) * 255 / (2 * src2[i])), 0); + } + dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); + } + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } - - -MINLINE void blend_color_difference_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_difference_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - int i = 3; - - while (i--) { - const int temp = abs(src1[i] - src2[i]); - dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); - } - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + int i = 3; + + while (i--) { + const int temp = abs(src1[i] - src2[i]); + dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); + } + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } - -MINLINE void blend_color_exclusion_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_exclusion_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - int i = 3; - - while (i--) { - const int temp = 127 - ((2 * (src1[i] - 127) * (src2[i] - 127)) / 255); - dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); - } - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + int i = 3; + + while (i--) { + const int temp = 127 - ((2 * (src1[i] - 127) * (src2[i] - 127)) / 255); + dst[i] = (unsigned char)((temp * fac + src1[i] * mfac) / 255); + } + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_color_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_color_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - float h1, s1, v1; - float h2, s2, v2; - float r, g, b; - rgb_to_hsv(src1[0] / 255.0f, src1[1] / 255.0f, src1[2] / 255.0f, &h1, &s1, &v1); - rgb_to_hsv(src2[0] / 255.0f, src2[1] / 255.0f, src2[2] / 255.0f, &h2, &s2, &v2); - - - h1 = h2; - s1 = s2; - - hsv_to_rgb(h1, s1, v1, &r, &g, &b); - - dst[0] = (unsigned char)(((int)(r * 255.0f) * fac + src1[0] * mfac) / 255); - dst[1] = (unsigned char)(((int)(g * 255.0f) * fac + src1[1] * mfac) / 255); - dst[2] = (unsigned char)(((int)(b * 255.0f) * fac + src1[2] * mfac) / 255); - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + float h1, s1, v1; + float h2, s2, v2; + float r, g, b; + rgb_to_hsv(src1[0] / 255.0f, src1[1] / 255.0f, src1[2] / 255.0f, &h1, &s1, &v1); + rgb_to_hsv(src2[0] / 255.0f, src2[1] / 255.0f, src2[2] / 255.0f, &h2, &s2, &v2); + + h1 = h2; + s1 = s2; + + hsv_to_rgb(h1, s1, v1, &r, &g, &b); + + dst[0] = (unsigned char)(((int)(r * 255.0f) * fac + src1[0] * mfac) / 255); + dst[1] = (unsigned char)(((int)(g * 255.0f) * fac + src1[1] * mfac) / 255); + dst[2] = (unsigned char)(((int)(b * 255.0f) * fac + src1[2] * mfac) / 255); + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_hue_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_hue_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - float h1, s1, v1; - float h2, s2, v2; - float r, g, b; - rgb_to_hsv(src1[0] / 255.0f, src1[1] / 255.0f, src1[2] / 255.0f, &h1, &s1, &v1); - rgb_to_hsv(src2[0] / 255.0f, src2[1] / 255.0f, src2[2] / 255.0f, &h2, &s2, &v2); - - - h1 = h2; - - hsv_to_rgb(h1, s1, v1, &r, &g, &b); - - dst[0] = (unsigned char)(((int)(r * 255.0f) * fac + src1[0] * mfac) / 255); - dst[1] = (unsigned char)(((int)(g * 255.0f) * fac + src1[1] * mfac) / 255); - dst[2] = (unsigned char)(((int)(b * 255.0f) * fac + src1[2] * mfac) / 255); - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } - + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + float h1, s1, v1; + float h2, s2, v2; + float r, g, b; + rgb_to_hsv(src1[0] / 255.0f, src1[1] / 255.0f, src1[2] / 255.0f, &h1, &s1, &v1); + rgb_to_hsv(src2[0] / 255.0f, src2[1] / 255.0f, src2[2] / 255.0f, &h2, &s2, &v2); + + h1 = h2; + + hsv_to_rgb(h1, s1, v1, &r, &g, &b); + + dst[0] = (unsigned char)(((int)(r * 255.0f) * fac + src1[0] * mfac) / 255); + dst[1] = (unsigned char)(((int)(g * 255.0f) * fac + src1[1] * mfac) / 255); + dst[2] = (unsigned char)(((int)(b * 255.0f) * fac + src1[2] * mfac) / 255); + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_saturation_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_saturation_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - float h1, s1, v1; - float h2, s2, v2; - float r, g, b; - rgb_to_hsv(src1[0] / 255.0f, src1[1] / 255.0f, src1[2] / 255.0f, &h1, &s1, &v1); - rgb_to_hsv(src2[0] / 255.0f, src2[1] / 255.0f, src2[2] / 255.0f, &h2, &s2, &v2); - - if (s1 > EPS_SATURATION) { - s1 = s2; - } - - hsv_to_rgb(h1, s1, v1, &r, &g, &b); - - dst[0] = (unsigned char)(((int)(r * 255.0f) * fac + src1[0] * mfac) / 255); - dst[1] = (unsigned char)(((int)(g * 255.0f) * fac + src1[1] * mfac) / 255); - dst[2] = (unsigned char)(((int)(b * 255.0f) * fac + src1[2] * mfac) / 255); - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + float h1, s1, v1; + float h2, s2, v2; + float r, g, b; + rgb_to_hsv(src1[0] / 255.0f, src1[1] / 255.0f, src1[2] / 255.0f, &h1, &s1, &v1); + rgb_to_hsv(src2[0] / 255.0f, src2[1] / 255.0f, src2[2] / 255.0f, &h2, &s2, &v2); + + if (s1 > EPS_SATURATION) { + s1 = s2; + } + + hsv_to_rgb(h1, s1, v1, &r, &g, &b); + + dst[0] = (unsigned char)(((int)(r * 255.0f) * fac + src1[0] * mfac) / 255); + dst[1] = (unsigned char)(((int)(g * 255.0f) * fac + src1[1] * mfac) / 255); + dst[2] = (unsigned char)(((int)(b * 255.0f) * fac + src1[2] * mfac) / 255); + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_luminosity_byte(unsigned char dst[4], unsigned const char src1[4], unsigned const char src2[4]) +MINLINE void blend_color_luminosity_byte(unsigned char dst[4], + unsigned const char src1[4], + unsigned const char src2[4]) { - const int fac = src2[3]; - if (fac != 0) { - const int mfac = 255 - fac; - float h1, s1, v1; - float h2, s2, v2; - float r, g, b; - rgb_to_hsv(src1[0] / 255.0f, src1[1] / 255.0f, src1[2] / 255.0f, &h1, &s1, &v1); - rgb_to_hsv(src2[0] / 255.0f, src2[1] / 255.0f, src2[2] / 255.0f, &h2, &s2, &v2); - - v1 = v2; - - hsv_to_rgb(h1, s1, v1, &r, &g, &b); - - dst[0] = (unsigned char)(((int)(r * 255.0f) * fac + src1[0] * mfac) / 255); - dst[1] = (unsigned char)(((int)(g * 255.0f) * fac + src1[1] * mfac) / 255); - dst[2] = (unsigned char)(((int)(b * 255.0f) * fac + src1[2] * mfac) / 255); - - } - else { - /* no op */ - copy_v4_v4_uchar(dst, src1); - } - + const int fac = src2[3]; + if (fac != 0) { + const int mfac = 255 - fac; + float h1, s1, v1; + float h2, s2, v2; + float r, g, b; + rgb_to_hsv(src1[0] / 255.0f, src1[1] / 255.0f, src1[2] / 255.0f, &h1, &s1, &v1); + rgb_to_hsv(src2[0] / 255.0f, src2[1] / 255.0f, src2[2] / 255.0f, &h2, &s2, &v2); + + v1 = v2; + + hsv_to_rgb(h1, s1, v1, &r, &g, &b); + + dst[0] = (unsigned char)(((int)(r * 255.0f) * fac + src1[0] * mfac) / 255); + dst[1] = (unsigned char)(((int)(g * 255.0f) * fac + src1[1] * mfac) / 255); + dst[2] = (unsigned char)(((int)(b * 255.0f) * fac + src1[2] * mfac) / 255); + } + else { + /* no op */ + copy_v4_v4_uchar(dst, src1); + } } -MINLINE void blend_color_interpolate_byte(unsigned char dst[4], const unsigned char src1[4], const unsigned char src2[4], float ft) +MINLINE void blend_color_interpolate_byte(unsigned char dst[4], + const unsigned char src1[4], + const unsigned char src2[4], + float ft) { - /* do color interpolation, but in premultiplied space so that RGB colors - * from zero alpha regions have no influence */ - const int t = (int)(255 * ft); - const int mt = 255 - t; - int tmp = (mt * src1[3] + t * src2[3]); - - if (tmp > 0) { - dst[0] = (unsigned char)divide_round_i(mt * src1[0] * src1[3] + t * src2[0] * src2[3], tmp); - dst[1] = (unsigned char)divide_round_i(mt * src1[1] * src1[3] + t * src2[1] * src2[3], tmp); - dst[2] = (unsigned char)divide_round_i(mt * src1[2] * src1[3] + t * src2[2] * src2[3], tmp); - dst[3] = (unsigned char)divide_round_i(tmp, 255); - } - else { - copy_v4_v4_uchar(dst, src1); - } + /* do color interpolation, but in premultiplied space so that RGB colors + * from zero alpha regions have no influence */ + const int t = (int)(255 * ft); + const int mt = 255 - t; + int tmp = (mt * src1[3] + t * src2[3]); + + if (tmp > 0) { + dst[0] = (unsigned char)divide_round_i(mt * src1[0] * src1[3] + t * src2[0] * src2[3], tmp); + dst[1] = (unsigned char)divide_round_i(mt * src1[1] * src1[3] + t * src2[1] * src2[3], tmp); + dst[2] = (unsigned char)divide_round_i(mt * src1[2] * src1[3] + t * src2[2] * src2[3], tmp); + dst[3] = (unsigned char)divide_round_i(tmp, 255); + } + else { + copy_v4_v4_uchar(dst, src1); + } } /* premultiplied alpha float blending modes */ MINLINE void blend_color_mix_float(float dst[4], const float src1[4], const float src2[4]) { - if (src2[3] != 0.0f) { - /* premul over operation */ - const float t = src2[3]; - const float mt = 1.0f - t; - - dst[0] = mt * src1[0] + src2[0]; - dst[1] = mt * src1[1] + src2[1]; - dst[2] = mt * src1[2] + src2[2]; - dst[3] = mt * src1[3] + t; - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + if (src2[3] != 0.0f) { + /* premul over operation */ + const float t = src2[3]; + const float mt = 1.0f - t; + + dst[0] = mt * src1[0] + src2[0]; + dst[1] = mt * src1[1] + src2[1]; + dst[2] = mt * src1[2] + src2[2]; + dst[3] = mt * src1[3] + t; + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_add_float(float dst[4], const float src1[4], const float src2[4]) { - if (src2[3] != 0.0f) { - /* unpremul > add > premul, simplified */ - dst[0] = src1[0] + src2[0] * src1[3]; - dst[1] = src1[1] + src2[1] * src1[3]; - dst[2] = src1[2] + src2[2] * src1[3]; - dst[3] = src1[3]; - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + if (src2[3] != 0.0f) { + /* unpremul > add > premul, simplified */ + dst[0] = src1[0] + src2[0] * src1[3]; + dst[1] = src1[1] + src2[1] * src1[3]; + dst[2] = src1[2] + src2[2] * src1[3]; + dst[3] = src1[3]; + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_sub_float(float dst[4], const float src1[4], const float src2[4]) { - if (src2[3] != 0.0f) { - /* unpremul > subtract > premul, simplified */ - dst[0] = max_ff(src1[0] - src2[0] * src1[3], 0.0f); - dst[1] = max_ff(src1[1] - src2[1] * src1[3], 0.0f); - dst[2] = max_ff(src1[2] - src2[2] * src1[3], 0.0f); - dst[3] = src1[3]; - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + if (src2[3] != 0.0f) { + /* unpremul > subtract > premul, simplified */ + dst[0] = max_ff(src1[0] - src2[0] * src1[3], 0.0f); + dst[1] = max_ff(src1[1] - src2[1] * src1[3], 0.0f); + dst[2] = max_ff(src1[2] - src2[2] * src1[3], 0.0f); + dst[3] = src1[3]; + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_mul_float(float dst[4], const float src1[4], const float src2[4]) { - if (src2[3] != 0.0f) { - /* unpremul > multiply > premul, simplified */ - const float t = src2[3]; - const float mt = 1.0f - t; - - dst[0] = mt * src1[0] + src1[0] * src2[0] * src1[3]; - dst[1] = mt * src1[1] + src1[1] * src2[1] * src1[3]; - dst[2] = mt * src1[2] + src1[2] * src2[2] * src1[3]; - dst[3] = src1[3]; - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + if (src2[3] != 0.0f) { + /* unpremul > multiply > premul, simplified */ + const float t = src2[3]; + const float mt = 1.0f - t; + + dst[0] = mt * src1[0] + src1[0] * src2[0] * src1[3]; + dst[1] = mt * src1[1] + src1[1] * src2[1] * src1[3]; + dst[2] = mt * src1[2] + src1[2] * src2[2] * src1[3]; + dst[3] = src1[3]; + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_lighten_float(float dst[4], const float src1[4], const float src2[4]) { - if (src2[3] != 0.0f) { - /* remap src2 to have same alpha as src1 premultiplied, take maximum of - * src1 and src2, then blend it with src1 */ - const float t = src2[3]; - const float mt = 1.0f - t; - const float map_alpha = src1[3] / src2[3]; - - dst[0] = mt * src1[0] + t * max_ff(src1[0], src2[0] * map_alpha); - dst[1] = mt * src1[1] + t * max_ff(src1[1], src2[1] * map_alpha); - dst[2] = mt * src1[2] + t * max_ff(src1[2], src2[2] * map_alpha); - dst[3] = src1[3]; - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + if (src2[3] != 0.0f) { + /* remap src2 to have same alpha as src1 premultiplied, take maximum of + * src1 and src2, then blend it with src1 */ + const float t = src2[3]; + const float mt = 1.0f - t; + const float map_alpha = src1[3] / src2[3]; + + dst[0] = mt * src1[0] + t * max_ff(src1[0], src2[0] * map_alpha); + dst[1] = mt * src1[1] + t * max_ff(src1[1], src2[1] * map_alpha); + dst[2] = mt * src1[2] + t * max_ff(src1[2], src2[2] * map_alpha); + dst[3] = src1[3]; + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_darken_float(float dst[4], const float src1[4], const float src2[4]) { - if (src2[3] != 0.0f) { - /* remap src2 to have same alpha as src1 premultiplied, take minimum of - * src1 and src2, then blend it with src1 */ - const float t = src2[3]; - const float mt = 1.0f - t; - const float map_alpha = src1[3] / src2[3]; - - dst[0] = mt * src1[0] + t * min_ff(src1[0], src2[0] * map_alpha); - dst[1] = mt * src1[1] + t * min_ff(src1[1], src2[1] * map_alpha); - dst[2] = mt * src1[2] + t * min_ff(src1[2], src2[2] * map_alpha); - dst[3] = src1[3]; - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + if (src2[3] != 0.0f) { + /* remap src2 to have same alpha as src1 premultiplied, take minimum of + * src1 and src2, then blend it with src1 */ + const float t = src2[3]; + const float mt = 1.0f - t; + const float map_alpha = src1[3] / src2[3]; + + dst[0] = mt * src1[0] + t * min_ff(src1[0], src2[0] * map_alpha); + dst[1] = mt * src1[1] + t * min_ff(src1[1], src2[1] * map_alpha); + dst[2] = mt * src1[2] + t * min_ff(src1[2], src2[2] * map_alpha); + dst[3] = src1[3]; + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_erase_alpha_float(float dst[4], const float src1[4], const float src2[4]) { - if (src2[3] != 0.0f && src1[3] > 0.0f) { - /* subtract alpha and remap RGB channels to match */ - float alpha = max_ff(src1[3] - src2[3], 0.0f); - float map_alpha; - - if (alpha <= EPS_ALPHA) { - alpha = 0.0f; - } - - map_alpha = alpha / src1[3]; - - dst[0] = src1[0] * map_alpha; - dst[1] = src1[1] * map_alpha; - dst[2] = src1[2] * map_alpha; - dst[3] = alpha; - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + if (src2[3] != 0.0f && src1[3] > 0.0f) { + /* subtract alpha and remap RGB channels to match */ + float alpha = max_ff(src1[3] - src2[3], 0.0f); + float map_alpha; + + if (alpha <= EPS_ALPHA) { + alpha = 0.0f; + } + + map_alpha = alpha / src1[3]; + + dst[0] = src1[0] * map_alpha; + dst[1] = src1[1] * map_alpha; + dst[2] = src1[2] * map_alpha; + dst[3] = alpha; + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_add_alpha_float(float dst[4], const float src1[4], const float src2[4]) { - if (src2[3] != 0.0f && src1[3] < 1.0f) { - /* add alpha and remap RGB channels to match */ - float alpha = min_ff(src1[3] + src2[3], 1.0f); - float map_alpha; - - if (alpha >= 1.0f - EPS_ALPHA) { - alpha = 1.0f; - } - - map_alpha = (src1[3] > 0.0f) ? alpha / src1[3] : 1.0f; - - dst[0] = src1[0] * map_alpha; - dst[1] = src1[1] * map_alpha; - dst[2] = src1[2] * map_alpha; - dst[3] = alpha; - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + if (src2[3] != 0.0f && src1[3] < 1.0f) { + /* add alpha and remap RGB channels to match */ + float alpha = min_ff(src1[3] + src2[3], 1.0f); + float map_alpha; + + if (alpha >= 1.0f - EPS_ALPHA) { + alpha = 1.0f; + } + + map_alpha = (src1[3] > 0.0f) ? alpha / src1[3] : 1.0f; + + dst[0] = src1[0] * map_alpha; + dst[1] = src1[1] * map_alpha; + dst[2] = src1[2] * map_alpha; + dst[3] = alpha; + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_overlay_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - int i = 3; - - while (i--) { - float temp; - - if (src1[i] > 0.5f) { - temp = 1.0f - (1.0f - 2.0f * (src1[i] - 0.5f)) * (1.0f - src2[i]); - } - else { - temp = 2.0f * src1[i] * src2[i]; - } - dst[i] = min_ff(temp * fac + src1[i] * mfac, 1.0f); - } - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + int i = 3; + + while (i--) { + float temp; + + if (src1[i] > 0.5f) { + temp = 1.0f - (1.0f - 2.0f * (src1[i] - 0.5f)) * (1.0f - src2[i]); + } + else { + temp = 2.0f * src1[i] * src2[i]; + } + dst[i] = min_ff(temp * fac + src1[i] * mfac, 1.0f); + } + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } - MINLINE void blend_color_hardlight_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - int i = 3; - - while (i--) { - float temp; - - if (src2[i] > 0.5f) { - temp = 1.0f - ((1.0f - 2.0f * (src2[i] - 0.5f)) * (1.0f - src1[i])); - } - else { - temp = 2.0f * src2[i] * src1[i]; - } - dst[i] = min_ff((temp * fac + src1[i] * mfac) / 1.0f, 1.0f); - } - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + int i = 3; + + while (i--) { + float temp; + + if (src2[i] > 0.5f) { + temp = 1.0f - ((1.0f - 2.0f * (src2[i] - 0.5f)) * (1.0f - src1[i])); + } + else { + temp = 2.0f * src2[i] * src1[i]; + } + dst[i] = min_ff((temp * fac + src1[i] * mfac) / 1.0f, 1.0f); + } + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_burn_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - int i = 3; - - while (i--) { - const float temp = (src2[i] == 0.0f) ? 0.0f : max_ff(1.0f - ((1.0f - src1[i]) / src2[i]), 0.0f); - dst[i] = (temp * fac + src1[i] * mfac); - } - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + int i = 3; + + while (i--) { + const float temp = (src2[i] == 0.0f) ? 0.0f : + max_ff(1.0f - ((1.0f - src1[i]) / src2[i]), 0.0f); + dst[i] = (temp * fac + src1[i] * mfac); + } + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_linearburn_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - int i = 3; - - while (i--) { - const float temp = max_ff(src1[i] + src2[i] - 1.0f, 0.0f); - dst[i] = (temp * fac + src1[i] * mfac); - } - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + int i = 3; + + while (i--) { + const float temp = max_ff(src1[i] + src2[i] - 1.0f, 0.0f); + dst[i] = (temp * fac + src1[i] * mfac); + } + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } - MINLINE void blend_color_dodge_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - int i = 3; - - while (i--) { - const float temp = (src2[i] >= 1.0f) ? 1.0f : min_ff(src1[i] / (1.0f - src2[i]), 1.0f); - dst[i] = (temp * fac + src1[i] * mfac); - } - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + int i = 3; + + while (i--) { + const float temp = (src2[i] >= 1.0f) ? 1.0f : min_ff(src1[i] / (1.0f - src2[i]), 1.0f); + dst[i] = (temp * fac + src1[i] * mfac); + } + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_screen_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - int i = 3; - - while (i--) { - const float temp = max_ff(1.0f - ((1.0f - src1[i]) * (1.0f - src2[i])), 0.0f); - dst[i] = (temp * fac + src1[i] * mfac); - } - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + int i = 3; + + while (i--) { + const float temp = max_ff(1.0f - ((1.0f - src1[i]) * (1.0f - src2[i])), 0.0f); + dst[i] = (temp * fac + src1[i] * mfac); + } + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_softlight_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - int i = 3; - - while (i--) { - float temp; - - if (src1[i] < 0.5f) { - temp = (src2[i] + 0.5f) * src1[i]; - } - else { - temp = 1.0f - ((1.0f - (src2[i] + 0.5f)) * (1.0f - src1[i])); - } - dst[i] = (temp * fac + src1[i] * mfac); - } - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + int i = 3; + + while (i--) { + float temp; + + if (src1[i] < 0.5f) { + temp = (src2[i] + 0.5f) * src1[i]; + } + else { + temp = 1.0f - ((1.0f - (src2[i] + 0.5f)) * (1.0f - src1[i])); + } + dst[i] = (temp * fac + src1[i] * mfac); + } + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_pinlight_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - int i = 3; - - while (i--) { - float temp; - - if (src2[i] > 0.5f) { - temp = max_ff(2.0f * (src2[i] - 0.5f), src1[i]); - } - else { - temp = min_ff(2.0f * src2[i], src1[i]); - } - dst[i] = (temp * fac + src1[i] * mfac); - } - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + int i = 3; + + while (i--) { + float temp; + + if (src2[i] > 0.5f) { + temp = max_ff(2.0f * (src2[i] - 0.5f), src1[i]); + } + else { + temp = min_ff(2.0f * src2[i], src1[i]); + } + dst[i] = (temp * fac + src1[i] * mfac); + } + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } - MINLINE void blend_color_linearlight_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - int i = 3; - - while (i--) { - float temp; - - if (src2[i] > 0.5f) { - temp = min_ff(src1[i] + 2.0f * (src2[i] - 0.5f), 1.0f); - } - else { - temp = max_ff(src1[i] + 2.0f * src2[i] - 1.0f, 0.0f); - } - dst[i] = (temp * fac + src1[i] * mfac); - } - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + int i = 3; + + while (i--) { + float temp; + + if (src2[i] > 0.5f) { + temp = min_ff(src1[i] + 2.0f * (src2[i] - 0.5f), 1.0f); + } + else { + temp = max_ff(src1[i] + 2.0f * src2[i] - 1.0f, 0.0f); + } + dst[i] = (temp * fac + src1[i] * mfac); + } + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } - MINLINE void blend_color_vividlight_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - int i = 3; - - while (i--) { - float temp; - - if (src2[i] == 1.0f) { - temp = (src1[i] == 0.0f) ? 0.5f : 1.0f; - } - else if (src2[i] == 0.0f) { - temp = (src1[i] == 1.0f) ? 0.5f : 0.0f; - } - else if (src2[i] > 0.5f) { - temp = min_ff(((src1[i]) * 1.0f) / (2.0f * (1.0f - src2[i])), 1.0f); - } - else { - temp = max_ff(1.0f - ((1.0f - src1[i]) * 1.0f / (2.0f * src2[i])), 0.0f); - } - dst[i] = (temp * fac + src1[i] * mfac); - } - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + int i = 3; + + while (i--) { + float temp; + + if (src2[i] == 1.0f) { + temp = (src1[i] == 0.0f) ? 0.5f : 1.0f; + } + else if (src2[i] == 0.0f) { + temp = (src1[i] == 1.0f) ? 0.5f : 0.0f; + } + else if (src2[i] > 0.5f) { + temp = min_ff(((src1[i]) * 1.0f) / (2.0f * (1.0f - src2[i])), 1.0f); + } + else { + temp = max_ff(1.0f - ((1.0f - src1[i]) * 1.0f / (2.0f * src2[i])), 0.0f); + } + dst[i] = (temp * fac + src1[i] * mfac); + } + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_difference_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - int i = 3; - - while (i--) { - dst[i] = (fabsf(src1[i] - src2[i]) * fac + src1[i] * mfac); - } - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + int i = 3; + + while (i--) { + dst[i] = (fabsf(src1[i] - src2[i]) * fac + src1[i] * mfac); + } + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } - MINLINE void blend_color_exclusion_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - int i = 3; - - while (i--) { - const float temp = 0.5f - ((2 * (src1[i] - 0.5f) * (src2[i] - 0.5f))); - dst[i] = (temp * fac + src1[i] * mfac); - } - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } - + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + int i = 3; + + while (i--) { + const float temp = 0.5f - ((2 * (src1[i] - 0.5f) * (src2[i] - 0.5f))); + dst[i] = (temp * fac + src1[i] * mfac); + } + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_color_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - float h1, s1, v1; - float h2, s2, v2; - float r, g, b; - - rgb_to_hsv(src1[0], src1[1], src1[2], &h1, &s1, &v1); - rgb_to_hsv(src2[0], src2[1], src2[2], &h2, &s2, &v2); - - h1 = h2; - s1 = s2; - - hsv_to_rgb(h1, s1, v1, &r, &g, &b); - - dst[0] = (r * fac + src1[0] * mfac); - dst[1] = (g * fac + src1[1] * mfac); - dst[2] = (b * fac + src1[2] * mfac); - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + float h1, s1, v1; + float h2, s2, v2; + float r, g, b; + + rgb_to_hsv(src1[0], src1[1], src1[2], &h1, &s1, &v1); + rgb_to_hsv(src2[0], src2[1], src2[2], &h2, &s2, &v2); + + h1 = h2; + s1 = s2; + + hsv_to_rgb(h1, s1, v1, &r, &g, &b); + + dst[0] = (r * fac + src1[0] * mfac); + dst[1] = (g * fac + src1[1] * mfac); + dst[2] = (b * fac + src1[2] * mfac); + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } - MINLINE void blend_color_hue_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - float h1, s1, v1; - float h2, s2, v2; - float r, g, b; - - rgb_to_hsv(src1[0], src1[1], src1[2], &h1, &s1, &v1); - rgb_to_hsv(src2[0], src2[1], src2[2], &h2, &s2, &v2); - - h1 = h2; - - hsv_to_rgb(h1, s1, v1, &r, &g, &b); - - dst[0] = (r * fac + src1[0] * mfac); - dst[1] = (g * fac + src1[1] * mfac); - dst[2] = (b * fac + src1[2] * mfac); - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + float h1, s1, v1; + float h2, s2, v2; + float r, g, b; + + rgb_to_hsv(src1[0], src1[1], src1[2], &h1, &s1, &v1); + rgb_to_hsv(src2[0], src2[1], src2[2], &h2, &s2, &v2); + + h1 = h2; + + hsv_to_rgb(h1, s1, v1, &r, &g, &b); + + dst[0] = (r * fac + src1[0] * mfac); + dst[1] = (g * fac + src1[1] * mfac); + dst[2] = (b * fac + src1[2] * mfac); + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_saturation_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - float h1, s1, v1; - float h2, s2, v2; - float r, g, b; - - rgb_to_hsv(src1[0], src1[1], src1[2], &h1, &s1, &v1); - rgb_to_hsv(src2[0], src2[1], src2[2], &h2, &s2, &v2); - - if (s1 > EPS_SATURATION) { - s1 = s2; - } - hsv_to_rgb(h1, s1, v1, &r, &g, &b); - - dst[0] = (r * fac + src1[0] * mfac); - dst[1] = (g * fac + src1[1] * mfac); - dst[2] = (b * fac + src1[2] * mfac); - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + float h1, s1, v1; + float h2, s2, v2; + float r, g, b; + + rgb_to_hsv(src1[0], src1[1], src1[2], &h1, &s1, &v1); + rgb_to_hsv(src2[0], src2[1], src2[2], &h2, &s2, &v2); + + if (s1 > EPS_SATURATION) { + s1 = s2; + } + hsv_to_rgb(h1, s1, v1, &r, &g, &b); + + dst[0] = (r * fac + src1[0] * mfac); + dst[1] = (g * fac + src1[1] * mfac); + dst[2] = (b * fac + src1[2] * mfac); + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } MINLINE void blend_color_luminosity_float(float dst[4], const float src1[4], const float src2[4]) { - const float fac = src2[3]; - if (fac != 0.0f) { - const float mfac = 1.0f - fac; - float h1, s1, v1; - float h2, s2, v2; - float r, g, b; - - rgb_to_hsv(src1[0], src1[1], src1[2], &h1, &s1, &v1); - rgb_to_hsv(src2[0], src2[1], src2[2], &h2, &s2, &v2); - - v1 = v2; - hsv_to_rgb(h1, s1, v1, &r, &g, &b); - - dst[0] = (r * fac + src1[0] * mfac); - dst[1] = (g * fac + src1[1] * mfac); - dst[2] = (b * fac + src1[2] * mfac); - } - else { - /* no op */ - copy_v4_v4(dst, src1); - } + const float fac = src2[3]; + if (fac != 0.0f) { + const float mfac = 1.0f - fac; + float h1, s1, v1; + float h2, s2, v2; + float r, g, b; + + rgb_to_hsv(src1[0], src1[1], src1[2], &h1, &s1, &v1); + rgb_to_hsv(src2[0], src2[1], src2[2], &h2, &s2, &v2); + + v1 = v2; + hsv_to_rgb(h1, s1, v1, &r, &g, &b); + + dst[0] = (r * fac + src1[0] * mfac); + dst[1] = (g * fac + src1[1] * mfac); + dst[2] = (b * fac + src1[2] * mfac); + } + else { + /* no op */ + copy_v4_v4(dst, src1); + } } - -MINLINE void blend_color_interpolate_float(float dst[4], const float src1[4], const float src2[4], float t) +MINLINE void blend_color_interpolate_float(float dst[4], + const float src1[4], + const float src2[4], + float t) { - /* interpolation, colors are premultiplied so it goes fine */ - const float mt = 1.0f - t; + /* interpolation, colors are premultiplied so it goes fine */ + const float mt = 1.0f - t; - dst[0] = mt * src1[0] + t * src2[0]; - dst[1] = mt * src1[1] + t * src2[1]; - dst[2] = mt * src1[2] + t * src2[2]; - dst[3] = mt * src1[3] + t * src2[3]; + dst[0] = mt * src1[0] + t * src2[0]; + dst[1] = mt * src1[1] + t * src2[1]; + dst[2] = mt * src1[2] + t * src2[2]; + dst[3] = mt * src1[3] + t * src2[3]; } -#undef EPS_SATURATION -#undef EPS_ALPHA +# undef EPS_SATURATION +# undef EPS_ALPHA #endif /* __MATH_COLOR_BLEND_INLINE_C__ */ |