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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" | |
13 | 12 |
14 SK_DEFINE_INST_COUNT(SkImage) | 13 SK_DEFINE_INST_COUNT(SkImage) |
15 | 14 |
16 static SkImage_Base* asIB(SkImage* image) { | 15 static SkImage_Base* asIB(SkImage* image) { |
17 return static_cast<SkImage_Base*>(image); | 16 return static_cast<SkImage_Base*>(image); |
18 } | 17 } |
19 | 18 |
20 static const SkImage_Base* asIB(const SkImage* image) { | |
21 return static_cast<const SkImage_Base*>(image); | |
22 } | |
23 | |
24 uint32_t SkImage::NextUniqueID() { | 19 uint32_t SkImage::NextUniqueID() { |
25 static int32_t gUniqueID; | 20 static int32_t gUniqueID; |
26 | 21 |
27 // never return 0; | 22 // never return 0; |
28 uint32_t id; | 23 uint32_t id; |
29 do { | 24 do { |
30 id = sk_atomic_inc(&gUniqueID) + 1; | 25 id = sk_atomic_inc(&gUniqueID) + 1; |
31 } while (0 == id); | 26 } while (0 == id); |
32 return id; | 27 return id; |
33 } | 28 } |
34 | 29 |
35 void SkImage::draw(SkCanvas* canvas, SkScalar x, SkScalar y, | 30 void SkImage::draw(SkCanvas* canvas, SkScalar x, SkScalar y, |
36 const SkPaint* paint) { | 31 const SkPaint* paint) { |
37 asIB(this)->onDraw(canvas, x, y, paint); | 32 asIB(this)->onDraw(canvas, x, y, paint); |
38 } | 33 } |
39 | 34 |
40 GrTexture* SkImage::getTexture() { | 35 GrTexture* SkImage::getTexture() { |
41 return asIB(this)->onGetTexture(); | 36 return asIB(this)->onGetTexture(); |
42 } | 37 } |
43 | 38 |
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 | 39 |
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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