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Side by Side Diff: ui/gfx/codec/png_codec.h

Issue 7569005: Rename UI_API to UI_EXPORT. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 4 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef UI_GFX_CODEC_PNG_CODEC_H_ 5 #ifndef UI_GFX_CODEC_PNG_CODEC_H_
6 #define UI_GFX_CODEC_PNG_CODEC_H_ 6 #define UI_GFX_CODEC_PNG_CODEC_H_
7 #pragma once 7 #pragma once
8 8
9 #include <string> 9 #include <string>
10 #include <vector> 10 #include <vector>
11 11
12 #include "base/basictypes.h" 12 #include "base/basictypes.h"
13 #include "ui/ui_api.h" 13 #include "ui/base/ui_export.h"
14 14
15 class SkBitmap; 15 class SkBitmap;
16 16
17 namespace gfx { 17 namespace gfx {
18 18
19 class Size; 19 class Size;
20 20
21 // Interface for encoding and decoding PNG data. This is a wrapper around 21 // Interface for encoding and decoding PNG data. This is a wrapper around
22 // libpng, which has an inconvenient interface for callers. This is currently 22 // libpng, which has an inconvenient interface for callers. This is currently
23 // designed for use in tests only (where we control the files), so the handling 23 // designed for use in tests only (where we control the files), so the handling
24 // isn't as robust as would be required for a browser (see Decode() for more). 24 // isn't as robust as would be required for a browser (see Decode() for more).
25 // WebKit has its own more complicated PNG decoder which handles, among other 25 // WebKit has its own more complicated PNG decoder which handles, among other
26 // things, partially downloaded data. 26 // things, partially downloaded data.
27 class UI_API PNGCodec { 27 class UI_EXPORT PNGCodec {
28 public: 28 public:
29 enum ColorFormat { 29 enum ColorFormat {
30 // 3 bytes per pixel (packed), in RGB order regardless of endianness. 30 // 3 bytes per pixel (packed), in RGB order regardless of endianness.
31 // This is the native JPEG format. 31 // This is the native JPEG format.
32 FORMAT_RGB, 32 FORMAT_RGB,
33 33
34 // 4 bytes per pixel, in RGBA order in memory regardless of endianness. 34 // 4 bytes per pixel, in RGBA order in memory regardless of endianness.
35 FORMAT_RGBA, 35 FORMAT_RGBA,
36 36
37 // 4 bytes per pixel, in BGRA order in memory regardless of endianness. 37 // 4 bytes per pixel, in BGRA order in memory regardless of endianness.
38 // This is the default Windows DIB order. 38 // This is the default Windows DIB order.
39 FORMAT_BGRA, 39 FORMAT_BGRA,
40 40
41 // 4 bytes per pixel, in pre-multiplied kARGB_8888_Config format. For use 41 // 4 bytes per pixel, in pre-multiplied kARGB_8888_Config format. For use
42 // with directly writing to a skia bitmap. 42 // with directly writing to a skia bitmap.
43 FORMAT_SkBitmap 43 FORMAT_SkBitmap
44 }; 44 };
45 45
46 // Represents a comment in the tEXt ancillary chunk of the png. 46 // Represents a comment in the tEXt ancillary chunk of the png.
47 struct UI_API Comment { 47 struct UI_EXPORT Comment {
48 Comment(const std::string& k, const std::string& t); 48 Comment(const std::string& k, const std::string& t);
49 ~Comment(); 49 ~Comment();
50 50
51 std::string key; 51 std::string key;
52 std::string text; 52 std::string text;
53 }; 53 };
54 54
55 // Calls PNGCodec::EncodeWithCompressionLevel with the default compression 55 // Calls PNGCodec::EncodeWithCompressionLevel with the default compression
56 // level. 56 // level.
57 static bool Encode(const unsigned char* input, 57 static bool Encode(const unsigned char* input,
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126 static SkBitmap* CreateSkBitmapFromBGRAFormat( 126 static SkBitmap* CreateSkBitmapFromBGRAFormat(
127 std::vector<unsigned char>& bgra, int width, int height); 127 std::vector<unsigned char>& bgra, int width, int height);
128 128
129 private: 129 private:
130 DISALLOW_COPY_AND_ASSIGN(PNGCodec); 130 DISALLOW_COPY_AND_ASSIGN(PNGCodec);
131 }; 131 };
132 132
133 } // namespace gfx 133 } // namespace gfx
134 134
135 #endif // UI_GFX_CODEC_PNG_CODEC_H_ 135 #endif // UI_GFX_CODEC_PNG_CODEC_H_
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