| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright (c) 2010, Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef PNGImageEncoder_h | |
| 32 #define PNGImageEncoder_h | |
| 33 | |
| 34 #include "platform/geometry/IntSize.h" | |
| 35 extern "C" { | |
| 36 #include "png.h" | |
| 37 } | |
| 38 #include <memory> | |
| 39 #include "platform/wtf/Allocator.h" | |
| 40 #include "platform/wtf/Vector.h" | |
| 41 | |
| 42 namespace blink { | |
| 43 | |
| 44 struct ImageDataBuffer; | |
| 45 | |
| 46 class PLATFORM_EXPORT PNGImageEncoderState final { | |
| 47 USING_FAST_MALLOC(PNGImageEncoderState); | |
| 48 WTF_MAKE_NONCOPYABLE(PNGImageEncoderState); | |
| 49 | |
| 50 public: | |
| 51 static std::unique_ptr<PNGImageEncoderState> Create( | |
| 52 const IntSize& image_size, | |
| 53 Vector<unsigned char>* output); | |
| 54 ~PNGImageEncoderState(); | |
| 55 png_struct* Png() { | |
| 56 DCHECK(png_); | |
| 57 return png_; | |
| 58 } | |
| 59 png_info* Info() { | |
| 60 DCHECK(info_); | |
| 61 return info_; | |
| 62 } | |
| 63 | |
| 64 private: | |
| 65 PNGImageEncoderState(png_struct* png, png_info* info) | |
| 66 : png_(png), info_(info) {} | |
| 67 png_struct* png_; | |
| 68 png_info* info_; | |
| 69 }; | |
| 70 | |
| 71 class PLATFORM_EXPORT PNGImageEncoder { | |
| 72 STATIC_ONLY(PNGImageEncoder); | |
| 73 | |
| 74 public: | |
| 75 // Encode the input data with default compression quality. See also | |
| 76 // https://crbug.com/179289 | |
| 77 static bool Encode(const ImageDataBuffer&, Vector<unsigned char>* output); | |
| 78 | |
| 79 // Functions for progressive image encoding | |
| 80 static void WriteOneRowToPng(unsigned char* pixels, PNGImageEncoderState*); | |
| 81 static void FinalizePng(PNGImageEncoderState*); | |
| 82 }; | |
| 83 | |
| 84 } // namespace blink | |
| 85 | |
| 86 #endif | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2891373002:
Use SkPngEncoder and SkWebpEncoder in WebKit platform (Closed)
