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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 "SkImage_Base.h" | 8 #include "SkImage_Base.h" |
9 #include "SkImagePriv.h" | 9 #include "SkImagePriv.h" |
10 #include "SkBitmap.h" | 10 #include "SkBitmap.h" |
11 #include "SkCanvas.h" | 11 #include "SkCanvas.h" |
| 12 #include "../images/SkImageEncoder.h" |
12 | 13 |
13 SK_DEFINE_INST_COUNT(SkImage) | 14 SK_DEFINE_INST_COUNT(SkImage) |
14 | 15 |
15 static SkImage_Base* asIB(SkImage* image) { | 16 static SkImage_Base* asIB(SkImage* image) { |
16 return static_cast<SkImage_Base*>(image); | 17 return static_cast<SkImage_Base*>(image); |
17 } | 18 } |
18 | 19 |
| 20 static const SkImage_Base* asIB(const SkImage* image) { |
| 21 return static_cast<const SkImage_Base*>(image); |
| 22 } |
| 23 |
19 uint32_t SkImage::NextUniqueID() { | 24 uint32_t SkImage::NextUniqueID() { |
20 static int32_t gUniqueID; | 25 static int32_t gUniqueID; |
21 | 26 |
22 // never return 0; | 27 // never return 0; |
23 uint32_t id; | 28 uint32_t id; |
24 do { | 29 do { |
25 id = sk_atomic_inc(&gUniqueID) + 1; | 30 id = sk_atomic_inc(&gUniqueID) + 1; |
26 } while (0 == id); | 31 } while (0 == id); |
27 return id; | 32 return id; |
28 } | 33 } |
29 | 34 |
30 void SkImage::draw(SkCanvas* canvas, SkScalar x, SkScalar y, | 35 void SkImage::draw(SkCanvas* canvas, SkScalar x, SkScalar y, |
31 const SkPaint* paint) { | 36 const SkPaint* paint) { |
32 asIB(this)->onDraw(canvas, x, y, paint); | 37 asIB(this)->onDraw(canvas, x, y, paint); |
33 } | 38 } |
34 | 39 |
35 GrTexture* SkImage::getTexture() { | 40 GrTexture* SkImage::getTexture() { |
36 return asIB(this)->onGetTexture(); | 41 return asIB(this)->onGetTexture(); |
37 } | 42 } |
| 43 |
| 44 static const struct { |
| 45 SkImageEncoder::Type fIE; |
| 46 SkImage::EncodeType fET; |
| 47 } gTable[] = { |
| 48 { SkImageEncoder::kBMP_Type, SkImage::kBMP_EncodeType }, |
| 49 { SkImageEncoder::kGIF_Type, SkImage::kGIF_EncodeType }, |
| 50 { SkImageEncoder::kICO_Type, SkImage::kICO_EncodeType }, |
| 51 { SkImageEncoder::kJPEG_Type, SkImage::kJPEG_EncodeType }, |
| 52 { SkImageEncoder::kPNG_Type, SkImage::kPNG_EncodeType }, |
| 53 { SkImageEncoder::kWBMP_Type, SkImage::kWBMP_EncodeType }, |
| 54 { SkImageEncoder::kWEBP_Type, SkImage::kWEBP_EncodeType }, |
| 55 }; |
| 56 |
| 57 SkData* SkImage::encode(EncodeType et, int quality) const { |
| 58 for (size_t i = 0; i < SK_ARRAY_COUNT(gTable); ++i) { |
| 59 if (gTable[i].fET == et) { |
| 60 SkBitmap bm; |
| 61 if (asIB(this)->getROPixels(&bm)) { |
| 62 return SkImageEncoder::EncodeData(bm, gTable[i].fIE, quality); |
| 63 } |
| 64 break; |
| 65 } |
| 66 } |
| 67 return NULL; |
| 68 } |
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