| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "SkImageDecoder.h" | 8 #include "SkImageDecoder.h" |
| 9 #include "SkImageEncoder.h" | 9 #include "SkImageEncoder.h" |
| 10 #include "SkColor.h" | 10 #include "SkColor.h" |
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| 71 png_structp fPng_ptr; | 71 png_structp fPng_ptr; |
| 72 png_infop fInfo_ptr; | 72 png_infop fInfo_ptr; |
| 73 SkColorType fColorType; | 73 SkColorType fColorType; |
| 74 }; | 74 }; |
| 75 | 75 |
| 76 class SkPNGImageDecoder : public SkImageDecoder { | 76 class SkPNGImageDecoder : public SkImageDecoder { |
| 77 public: | 77 public: |
| 78 SkPNGImageDecoder() { | 78 SkPNGImageDecoder() { |
| 79 fImageIndex = NULL; | 79 fImageIndex = NULL; |
| 80 } | 80 } |
| 81 Format getFormat() const SK_OVERRIDE { | 81 Format getFormat() const override { |
| 82 return kPNG_Format; | 82 return kPNG_Format; |
| 83 } | 83 } |
| 84 | 84 |
| 85 virtual ~SkPNGImageDecoder() { | 85 virtual ~SkPNGImageDecoder() { |
| 86 SkDELETE(fImageIndex); | 86 SkDELETE(fImageIndex); |
| 87 } | 87 } |
| 88 | 88 |
| 89 protected: | 89 protected: |
| 90 #ifdef SK_BUILD_FOR_ANDROID | 90 #ifdef SK_BUILD_FOR_ANDROID |
| 91 bool onBuildTileIndex(SkStreamRewindable *stream, int *width, int *height) S
K_OVERRIDE; | 91 bool onBuildTileIndex(SkStreamRewindable *stream, int *width, int *height) o
verride; |
| 92 bool onDecodeSubset(SkBitmap* bitmap, const SkIRect& region) SK_OVERRIDE; | 92 bool onDecodeSubset(SkBitmap* bitmap, const SkIRect& region) override; |
| 93 #endif | 93 #endif |
| 94 Result onDecode(SkStream* stream, SkBitmap* bm, Mode) SK_OVERRIDE; | 94 Result onDecode(SkStream* stream, SkBitmap* bm, Mode) override; |
| 95 | 95 |
| 96 private: | 96 private: |
| 97 SkPNGImageIndex* fImageIndex; | 97 SkPNGImageIndex* fImageIndex; |
| 98 | 98 |
| 99 bool onDecodeInit(SkStream* stream, png_structp *png_ptrp, png_infop *info_p
trp); | 99 bool onDecodeInit(SkStream* stream, png_structp *png_ptrp, png_infop *info_p
trp); |
| 100 bool decodePalette(png_structp png_ptr, png_infop info_ptr, int bitDepth, | 100 bool decodePalette(png_structp png_ptr, png_infop info_ptr, int bitDepth, |
| 101 bool * SK_RESTRICT hasAlphap, bool *reallyHasAlphap, | 101 bool * SK_RESTRICT hasAlphap, bool *reallyHasAlphap, |
| 102 SkColorTable **colorTablep); | 102 SkColorTable **colorTablep); |
| 103 bool getBitmapColorType(png_structp, png_infop, SkColorType*, bool* hasAlpha
, | 103 bool getBitmapColorType(png_structp, png_infop, SkColorType*, bool* hasAlpha
, |
| 104 SkPMColor* theTranspColor); | 104 SkPMColor* theTranspColor); |
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| 1094 SkPMColor c = *colors++; | 1094 SkPMColor c = *colors++; |
| 1095 palette[i].red = SkGetPackedR32(c); | 1095 palette[i].red = SkGetPackedR32(c); |
| 1096 palette[i].green = SkGetPackedG32(c); | 1096 palette[i].green = SkGetPackedG32(c); |
| 1097 palette[i].blue = SkGetPackedB32(c); | 1097 palette[i].blue = SkGetPackedB32(c); |
| 1098 } | 1098 } |
| 1099 return num_trans; | 1099 return num_trans; |
| 1100 } | 1100 } |
| 1101 | 1101 |
| 1102 class SkPNGImageEncoder : public SkImageEncoder { | 1102 class SkPNGImageEncoder : public SkImageEncoder { |
| 1103 protected: | 1103 protected: |
| 1104 bool onEncode(SkWStream* stream, const SkBitmap& bm, int quality) SK_OVERRID
E; | 1104 bool onEncode(SkWStream* stream, const SkBitmap& bm, int quality) override; |
| 1105 private: | 1105 private: |
| 1106 bool doEncode(SkWStream* stream, const SkBitmap& bm, | 1106 bool doEncode(SkWStream* stream, const SkBitmap& bm, |
| 1107 const bool& hasAlpha, int colorType, | 1107 const bool& hasAlpha, int colorType, |
| 1108 int bitDepth, SkColorType ct, | 1108 int bitDepth, SkColorType ct, |
| 1109 png_color_8& sig_bit); | 1109 png_color_8& sig_bit); |
| 1110 | 1110 |
| 1111 typedef SkImageEncoder INHERITED; | 1111 typedef SkImageEncoder INHERITED; |
| 1112 }; | 1112 }; |
| 1113 | 1113 |
| 1114 bool SkPNGImageEncoder::onEncode(SkWStream* stream, const SkBitmap& bitmap, int
/*quality*/) { | 1114 bool SkPNGImageEncoder::onEncode(SkWStream* stream, const SkBitmap& bitmap, int
/*quality*/) { |
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| 1280 return SkImageDecoder::kUnknown_Format; | 1280 return SkImageDecoder::kUnknown_Format; |
| 1281 } | 1281 } |
| 1282 | 1282 |
| 1283 SkImageEncoder* sk_libpng_efactory(SkImageEncoder::Type t) { | 1283 SkImageEncoder* sk_libpng_efactory(SkImageEncoder::Type t) { |
| 1284 return (SkImageEncoder::kPNG_Type == t) ? SkNEW(SkPNGImageEncoder) : NULL; | 1284 return (SkImageEncoder::kPNG_Type == t) ? SkNEW(SkPNGImageEncoder) : NULL; |
| 1285 } | 1285 } |
| 1286 | 1286 |
| 1287 static SkImageDecoder_DecodeReg gDReg(sk_libpng_dfactory); | 1287 static SkImageDecoder_DecodeReg gDReg(sk_libpng_dfactory); |
| 1288 static SkImageDecoder_FormatReg gFormatReg(get_format_png); | 1288 static SkImageDecoder_FormatReg gFormatReg(get_format_png); |
| 1289 static SkImageEncoder_EncodeReg gEReg(sk_libpng_efactory); | 1289 static SkImageEncoder_EncodeReg gEReg(sk_libpng_efactory); |
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