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1 /* | 1 /* |
2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 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 #ifndef SkSpecialImage_DEFINED | 8 #ifndef SkSpecialImage_DEFINED |
9 #define SkSpecialImage_DEFINED | 9 #define SkSpecialImage_DEFINED |
10 | 10 |
11 #include "SkNextID.h" | 11 #include "SkNextID.h" |
12 #include "SkRefCnt.h" | 12 #include "SkRefCnt.h" |
13 | 13 |
14 // remove this when internal_getProxy goes away (see skbug.com/4965) | 14 // remove this when internal_getProxy goes away (see skbug.com/4965) |
15 #include "SkImageFilter.h" | 15 #include "SkImageFilter.h" |
16 | 16 |
| 17 #include "SkImageInfo.h" // for SkAlphaType |
| 18 |
| 19 class GrContext; |
17 class GrTexture; | 20 class GrTexture; |
18 class SkBitmap; | 21 class SkBitmap; |
19 class SkCanvas; | 22 class SkCanvas; |
20 class SkImage; | 23 class SkImage; |
21 struct SkImageInfo; | 24 struct SkImageInfo; |
22 class SkPaint; | 25 class SkPaint; |
| 26 class SkPixmap; |
23 class SkSpecialSurface; | 27 class SkSpecialSurface; |
24 | 28 |
25 enum { | 29 enum { |
26 kNeedNewImageUniqueID_SpecialImage = 0 | 30 kNeedNewImageUniqueID_SpecialImage = 0 |
27 }; | 31 }; |
28 | 32 |
29 /** | 33 /** |
30 * This is a restricted form of SkImage solely intended for internal use. It | 34 * This is a restricted form of SkImage solely intended for internal use. It |
31 * differs from SkImage in that: | 35 * differs from SkImage in that: |
32 * - it can only be backed by raster or gpu (no generators) | 36 * - it can only be backed by raster or gpu (no generators) |
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44 | 48 |
45 int width() const { return fSubset.width(); } | 49 int width() const { return fSubset.width(); } |
46 int height() const { return fSubset.height(); } | 50 int height() const { return fSubset.height(); } |
47 const SkIRect& subset() const { return fSubset; } | 51 const SkIRect& subset() const { return fSubset; } |
48 | 52 |
49 uint32_t uniqueID() const { return fUniqueID; } | 53 uint32_t uniqueID() const { return fUniqueID; } |
50 virtual bool isOpaque() const { return false; } | 54 virtual bool isOpaque() const { return false; } |
51 virtual size_t getSize() const = 0; | 55 virtual size_t getSize() const = 0; |
52 | 56 |
53 /** | 57 /** |
| 58 * Ensures that a special image is backed by a texture (when GrContext is n
on-null). If no |
| 59 * transformation is required, the returned image may be the same as this s
pecial image. |
| 60 * If this special image is from a different GrContext, this will fail. |
| 61 */ |
| 62 sk_sp<SkSpecialImage> makeTextureImage(SkImageFilter::Proxy*, GrContext*); |
| 63 |
| 64 /** |
54 * Draw this SpecialImage into the canvas. | 65 * Draw this SpecialImage into the canvas. |
55 */ | 66 */ |
56 void draw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const; | 67 void draw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const; |
57 | 68 |
58 static sk_sp<SkSpecialImage> MakeFromImage(SkImageFilter::Proxy*, | 69 static sk_sp<SkSpecialImage> MakeFromImage(SkImageFilter::Proxy*, |
59 const SkIRect& subset, | 70 const SkIRect& subset, |
60 sk_sp<SkImage>); | 71 sk_sp<SkImage>); |
61 static sk_sp<SkSpecialImage> MakeFromRaster(SkImageFilter::Proxy*, | 72 static sk_sp<SkSpecialImage> MakeFromRaster(SkImageFilter::Proxy*, |
62 const SkIRect& subset, | 73 const SkIRect& subset, |
63 const SkBitmap&); | 74 const SkBitmap&); |
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133 const uint32_t fUniqueID; | 144 const uint32_t fUniqueID; |
134 | 145 |
135 // TODO: remove this ASAP (see skbug.com/4965) | 146 // TODO: remove this ASAP (see skbug.com/4965) |
136 SkImageFilter::Proxy* fProxy; | 147 SkImageFilter::Proxy* fProxy; |
137 | 148 |
138 typedef SkRefCnt INHERITED; | 149 typedef SkRefCnt INHERITED; |
139 }; | 150 }; |
140 | 151 |
141 #endif | 152 #endif |
142 | 153 |
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