1 /* 2 * Copyright 2012 The Android Open Source Project 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkImageEncoderFns_DEFINED 9 #define SkImageEncoderFns_DEFINED 10 11 #include "../../third_party/skcms/skcms.h" 12 #include "SkColor.h" 13 #include "SkColorData.h" 14 #include "SkICC.h" 15 #include "SkTypes.h" 16 17 typedef void (*transform_scanline_proc)(char* dst, const char* src, int width, int bpp); 18 19 static inline void transform_scanline_memcpy(char* dst, const char* src, int width, int bpp) { 20 memcpy(dst, src, width * bpp); 21 } 22 23 static inline void transform_scanline_A8_to_GrayAlpha(char* dst, const char* src, int width, int) { 24 for (int i = 0; i < width; i++) { 25 *dst++ = 0; 26 *dst++ = *src++; 27 } 28 } 29 30 31 static void skcms(char* dst, const char* src, int n, 32 skcms_PixelFormat srcFmt, skcms_AlphaFormat srcAlpha, 33 skcms_PixelFormat dstFmt, skcms_AlphaFormat dstAlpha) { 34 SkAssertResult(skcms_Transform(src, srcFmt, srcAlpha, nullptr, 35 dst, dstFmt, dstAlpha, nullptr, n)); 36 } 37 38 static inline void transform_scanline_gray(char* dst, const char* src, int width, int) { 39 skcms(dst, src, width, 40 skcms_PixelFormat_G_8, skcms_AlphaFormat_Unpremul, 41 skcms_PixelFormat_RGB_888, skcms_AlphaFormat_Unpremul); 42 } 43 44 static inline void transform_scanline_565(char* dst, const char* src, int width, int) { 45 skcms(dst, src, width, 46 skcms_PixelFormat_BGR_565, skcms_AlphaFormat_Unpremul, 47 skcms_PixelFormat_RGB_888, skcms_AlphaFormat_Unpremul); 48 } 49 50 static inline void transform_scanline_RGBX(char* dst, const char* src, int width, int) { 51 skcms(dst, src, width, 52 skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_Unpremul, 53 skcms_PixelFormat_RGB_888 , skcms_AlphaFormat_Unpremul); 54 } 55 56 static inline void transform_scanline_BGRX(char* dst, const char* src, int width, int) { 57 skcms(dst, src, width, 58 skcms_PixelFormat_BGRA_8888, skcms_AlphaFormat_Unpremul, 59 skcms_PixelFormat_RGB_888 , skcms_AlphaFormat_Unpremul); 60 } 61 62 static inline void transform_scanline_444(char* dst, const char* src, int width, int) { 63 skcms(dst, src, width, 64 skcms_PixelFormat_ABGR_4444, skcms_AlphaFormat_Unpremul, 65 skcms_PixelFormat_RGB_888 , skcms_AlphaFormat_Unpremul); 66 } 67 68 static inline void transform_scanline_rgbA(char* dst, const char* src, int width, int) { 69 skcms(dst, src, width, 70 skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_PremulAsEncoded, 71 skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_Unpremul); 72 } 73 74 static inline void transform_scanline_bgrA(char* dst, const char* src, int width, int) { 75 skcms(dst, src, width, 76 skcms_PixelFormat_BGRA_8888, skcms_AlphaFormat_PremulAsEncoded, 77 skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_Unpremul); 78 } 79 80 static inline void transform_scanline_to_premul_legacy(char* dst, const char* src, int width, int) { 81 skcms(dst, src, width, 82 skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_Unpremul, 83 skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_PremulAsEncoded); 84 } 85 86 static inline void transform_scanline_BGRA(char* dst, const char* src, int width, int) { 87 skcms(dst, src, width, 88 skcms_PixelFormat_BGRA_8888, skcms_AlphaFormat_Unpremul, 89 skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_Unpremul); 90 } 91 92 static inline void transform_scanline_4444(char* dst, const char* src, int width, int) { 93 skcms(dst, src, width, 94 skcms_PixelFormat_ABGR_4444, skcms_AlphaFormat_PremulAsEncoded, 95 skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_Unpremul); 96 } 97 98 static inline void transform_scanline_101010x(char* dst, const char* src, int width, int) { 99 skcms(dst, src, width, 100 skcms_PixelFormat_RGBA_1010102, skcms_AlphaFormat_Unpremul, 101 skcms_PixelFormat_RGB_161616BE, skcms_AlphaFormat_Unpremul); 102 } 103 104 static inline void transform_scanline_1010102(char* dst, const char* src, int width, int) { 105 skcms(dst, src, width, 106 skcms_PixelFormat_RGBA_1010102, skcms_AlphaFormat_Unpremul, 107 skcms_PixelFormat_RGBA_16161616BE, skcms_AlphaFormat_Unpremul); 108 } 109 110 static inline void transform_scanline_1010102_premul(char* dst, const char* src, int width, int) { 111 skcms(dst, src, width, 112 skcms_PixelFormat_RGBA_1010102, skcms_AlphaFormat_PremulAsEncoded, 113 skcms_PixelFormat_RGBA_16161616BE, skcms_AlphaFormat_Unpremul); 114 } 115 116 static inline void transform_scanline_F16(char* dst, const char* src, int width, int) { 117 skcms(dst, src, width, 118 skcms_PixelFormat_RGBA_hhhh, skcms_AlphaFormat_Unpremul, 119 skcms_PixelFormat_RGBA_16161616BE, skcms_AlphaFormat_Unpremul); 120 } 121 122 static inline void transform_scanline_F16_premul(char* dst, const char* src, int width, int) { 123 skcms(dst, src, width, 124 skcms_PixelFormat_RGBA_hhhh, skcms_AlphaFormat_PremulAsEncoded, 125 skcms_PixelFormat_RGBA_16161616BE, skcms_AlphaFormat_Unpremul); 126 } 127 128 static inline void transform_scanline_F16_to_8888(char* dst, const char* src, int width, int) { 129 skcms(dst, src, width, 130 skcms_PixelFormat_RGBA_hhhh, skcms_AlphaFormat_Unpremul, 131 skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_Unpremul); 132 } 133 134 static inline void transform_scanline_F16_premul_to_8888(char* dst, 135 const char* src, 136 int width, 137 int) { 138 skcms(dst, src, width, 139 skcms_PixelFormat_RGBA_hhhh, skcms_AlphaFormat_PremulAsEncoded, 140 skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_Unpremul); 141 } 142 143 static inline void transform_scanline_F16_to_premul_8888(char* dst, 144 const char* src, 145 int width, 146 int) { 147 skcms(dst, src, width, 148 skcms_PixelFormat_RGBA_hhhh, skcms_AlphaFormat_Unpremul, 149 skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_PremulAsEncoded); 150 } 151 152 static inline void transform_scanline_F32(char* dst, const char* src, int width, int) { 153 skcms(dst, src, width, 154 skcms_PixelFormat_RGBA_ffff, skcms_AlphaFormat_Unpremul, 155 skcms_PixelFormat_RGBA_16161616BE, skcms_AlphaFormat_Unpremul); 156 } 157 158 static inline void transform_scanline_F32_premul(char* dst, const char* src, int width, int) { 159 skcms(dst, src, width, 160 skcms_PixelFormat_RGBA_ffff, skcms_AlphaFormat_PremulAsEncoded, 161 skcms_PixelFormat_RGBA_16161616BE, skcms_AlphaFormat_Unpremul); 162 } 163 164 static inline sk_sp<SkData> icc_from_color_space(const SkImageInfo& info) { 165 SkColorSpace* cs = info.colorSpace(); 166 if (!cs) { 167 return nullptr; 168 } 169 170 skcms_TransferFunction fn; 171 skcms_Matrix3x3 toXYZD50; 172 if (cs->isNumericalTransferFn(&fn) && cs->toXYZD50(&toXYZD50)) { 173 return SkWriteICCProfile(fn, toXYZD50); 174 } 175 return nullptr; 176 } 177 178 #endif // SkImageEncoderFns_DEFINED 179
