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Side by Side Diff: src/image/SkImagePriv.cpp

Issue 54363008: move SkImage::ColorType into SkColorType (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years, 1 month ago
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1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 Google Inc.
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 "SkImagePriv.h" 8 #include "SkImagePriv.h"
9 #include "SkCanvas.h" 9 #include "SkCanvas.h"
10 #include "SkPicture.h" 10 #include "SkPicture.h"
11 11
12 SkBitmap::Config SkImageInfoToBitmapConfig(const SkImage::Info& info) { 12 SkBitmap::Config SkImageInfoToBitmapConfig(const SkImageInfo& info) {
13 switch (info.fColorType) { 13 switch (info.fColorType) {
14 case SkImage::kAlpha_8_ColorType: 14 case kAlpha_8_SkColorType:
15 return SkBitmap::kA8_Config; 15 return SkBitmap::kA8_Config;
16 16
17 case SkImage::kRGB_565_ColorType: 17 case kRGB_565_SkColorType:
18 return SkBitmap::kRGB_565_Config; 18 return SkBitmap::kRGB_565_Config;
19 19
20 case SkImage::kPMColor_ColorType: 20 case kPMColor_SkColorType:
21 return SkBitmap::kARGB_8888_Config; 21 return SkBitmap::kARGB_8888_Config;
22 22
23 default: 23 default:
24 // break for unsupported colortypes 24 // break for unsupported colortypes
25 break; 25 break;
26 } 26 }
27 return SkBitmap::kNo_Config; 27 return SkBitmap::kNo_Config;
28 } 28 }
29 29
30 int SkImageBytesPerPixel(SkImage::ColorType ct) { 30 int SkImageBytesPerPixel(SkColorType ct) {
31 static const uint8_t gColorTypeBytesPerPixel[] = { 31 static const uint8_t gColorTypeBytesPerPixel[] = {
32 1, // kAlpha_8_ColorType 32 1, // kAlpha_8_SkColorType
33 2, // kRGB_565_ColorType 33 2, // kRGB_565_SkColorType
34 4, // kRGBA_8888_ColorType 34 4, // kRGBA_8888_SkColorType
35 4, // kBGRA_8888_ColorType 35 4, // kBGRA_8888_SkColorType
36 4, // kPMColor_ColorType 36 4, // kPMColor_SkColorType
37 }; 37 };
38 38
39 SkASSERT((size_t)ct < SK_ARRAY_COUNT(gColorTypeBytesPerPixel)); 39 SkASSERT((size_t)ct < SK_ARRAY_COUNT(gColorTypeBytesPerPixel));
40 return gColorTypeBytesPerPixel[ct]; 40 return gColorTypeBytesPerPixel[ct];
41 } 41 }
42 42
43 bool SkBitmapToImageInfo(const SkBitmap& bm, SkImage::Info* info) { 43 bool SkBitmapToImageInfo(const SkBitmap& bm, SkImageInfo* info) {
44 switch (bm.config()) { 44 switch (bm.config()) {
45 case SkBitmap::kA8_Config: 45 case SkBitmap::kA8_Config:
46 info->fColorType = SkImage::kAlpha_8_ColorType; 46 info->fColorType = kAlpha_8_SkColorType;
47 break; 47 break;
48 48
49 case SkBitmap::kRGB_565_Config: 49 case SkBitmap::kRGB_565_Config:
50 info->fColorType = SkImage::kRGB_565_ColorType; 50 info->fColorType = kRGB_565_SkColorType;
51 break; 51 break;
52 52
53 case SkBitmap::kARGB_8888_Config: 53 case SkBitmap::kARGB_8888_Config:
54 info->fColorType = SkImage::kPMColor_ColorType; 54 info->fColorType = kPMColor_SkColorType;
55 break; 55 break;
56 56
57 default: 57 default:
58 return false; 58 return false;
59 } 59 }
60 60
61 info->fWidth = bm.width(); 61 info->fWidth = bm.width();
62 info->fHeight = bm.height(); 62 info->fHeight = bm.height();
63 info->fAlphaType = bm.isOpaque() ? kOpaque_SkAlphaType : 63 info->fAlphaType = bm.isOpaque() ? kOpaque_SkAlphaType :
64 kPremul_SkAlphaType; 64 kPremul_SkAlphaType;
65 return true; 65 return true;
66 } 66 }
67 67
68 SkImage* SkNewImageFromBitmap(const SkBitmap& bm, bool canSharePixelRef) { 68 SkImage* SkNewImageFromBitmap(const SkBitmap& bm, bool canSharePixelRef) {
69 SkImage::Info info; 69 SkImageInfo info;
70 if (!SkBitmapToImageInfo(bm, &info)) { 70 if (!SkBitmapToImageInfo(bm, &info)) {
71 return NULL; 71 return NULL;
72 } 72 }
73 73
74 SkImage* image = NULL; 74 SkImage* image = NULL;
75 if (canSharePixelRef || bm.isImmutable()) { 75 if (canSharePixelRef || bm.isImmutable()) {
76 image = SkNewImageFromPixelRef(info, bm.pixelRef(), bm.rowBytes()); 76 image = SkNewImageFromPixelRef(info, bm.pixelRef(), bm.rowBytes());
77 } else { 77 } else {
78 bm.lockPixels(); 78 bm.lockPixels();
79 if (bm.getPixels()) { 79 if (bm.getPixels()) {
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133 canvas->save(); 133 canvas->save();
134 } 134 }
135 canvas->concat(matrix); 135 canvas->concat(matrix);
136 if (!paint || !needs_layer(*paint)) { 136 if (!paint || !needs_layer(*paint)) {
137 canvas->clipRect(tmpSrc); 137 canvas->clipRect(tmpSrc);
138 } 138 }
139 139
140 canvas->drawPicture(*picture); 140 canvas->drawPicture(*picture);
141 canvas->restoreToCount(saveCount); 141 canvas->restoreToCount(saveCount);
142 } 142 }
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