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1 /* | 1 /* |
2 * Copyright 2013 The Android Open Source Project | 2 * Copyright 2013 The Android Open Source Project |
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 SkPictureImageFilter_DEFINED | 8 #ifndef SkPictureImageFilter_DEFINED |
9 #define SkPictureImageFilter_DEFINED | 9 #define SkPictureImageFilter_DEFINED |
10 | 10 |
11 #include "SkImageFilter.h" | 11 #include "SkImageFilter.h" |
12 #include "SkPicture.h" | 12 #include "SkPicture.h" |
13 | 13 |
14 class SK_API SkPictureImageFilter : public SkImageFilter { | 14 class SK_API SkPictureImageFilter : public SkImageFilter { |
15 public: | 15 public: |
16 enum PictureResolution { | |
17 /** | |
18 * In this mode, which is the default, the picture is reasterized in at | |
19 * a resolution that matches the device that filter is rendering to. | |
20 */ | |
21 kDeviceSpace_PictureResolution, | |
22 | |
23 /** | |
24 * In this mode, the picture is rasterized at a resolution such that pix els have | |
25 * unit size in the local (pre-transform) coordinate space. This is equi valent | |
26 * to rendering in record-time device space and the resampling the resul t to | |
27 * pring in into the playback device space. | |
28 */ | |
29 kLocalSpace_PictureResolution | |
30 }; | |
31 | |
16 /** | 32 /** |
17 * Refs the passed-in picture. | 33 * Refs the passed-in picture. |
18 */ | 34 */ |
19 static SkPictureImageFilter* Create(const SkPicture* picture, int32_t unique ID = 0) { | 35 static SkPictureImageFilter* Create(const SkPicture* picture, int32_t unique ID = 0, |
reed2
2014/11/28 15:33:52
api nit: can we not have so many default arguments
| |
20 return SkNEW_ARGS(SkPictureImageFilter, (picture, uniqueID)); | 36 PictureResolution res = kDeviceSpace_Pic tureResolution, |
37 SkPaint::FilterLevel level = SkPaint::kL ow_FilterLevel) { | |
38 return SkNEW_ARGS(SkPictureImageFilter, (picture, uniqueID, res, level)) ; | |
21 } | 39 } |
22 | 40 |
23 /** | 41 /** |
24 * Refs the passed-in picture. cropRect can be used to crop or expand the d estination rect when | 42 * Refs the passed-in picture. cropRect can be used to crop or expand the d estination rect when |
25 * the picture is drawn. (No scaling is implied by the dest rect; only the CTM is applied.) | 43 * the picture is drawn. (No scaling is implied by the dest rect; only the CTM is applied.) |
26 */ | 44 */ |
27 static SkPictureImageFilter* Create(const SkPicture* picture, const SkRect& cropRect, uint32_t uniqueID = 0) { | 45 static SkPictureImageFilter* Create(const SkPicture* picture, const SkRect& cropRect, |
28 return SkNEW_ARGS(SkPictureImageFilter, (picture, cropRect, uniqueID)); | 46 uint32_t uniqueID = 0, |
47 PictureResolution res = kDeviceSpace_Pic tureResolution, | |
48 SkPaint::FilterLevel level = SkPaint::kL ow_FilterLevel) { | |
49 return SkNEW_ARGS(SkPictureImageFilter, (picture, cropRect, uniqueID, re s, level)); | |
29 } | 50 } |
30 | 51 |
31 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPictureImageFilter) | 52 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPictureImageFilter) |
32 | 53 |
33 protected: | 54 protected: |
34 explicit SkPictureImageFilter(const SkPicture* picture, uint32_t uniqueID); | 55 explicit SkPictureImageFilter(const SkPicture* picture, uint32_t uniqueID, P ictureResolution, |
35 SkPictureImageFilter(const SkPicture* picture, const SkRect& cropRect, uint3 2_t uniqueID); | 56 SkPaint::FilterLevel); |
57 SkPictureImageFilter(const SkPicture* picture, const SkRect& cropRect, uint3 2_t uniqueID, | |
58 PictureResolution, SkPaint::FilterLevel); | |
36 virtual ~SkPictureImageFilter(); | 59 virtual ~SkPictureImageFilter(); |
37 /* Constructs an SkPictureImageFilter object from an SkReadBuffer. | 60 /* Constructs an SkPictureImageFilter object from an SkReadBuffer. |
38 * Note: If the SkPictureImageFilter object construction requires bitmap | 61 * Note: If the SkPictureImageFilter object construction requires bitmap |
39 * decoding, the decoder must be set on the SkReadBuffer parameter by calli ng | 62 * decoding, the decoder must be set on the SkReadBuffer parameter by calli ng |
40 * SkReadBuffer::setBitmapDecoder() before calling this constructor. | 63 * SkReadBuffer::setBitmapDecoder() before calling this constructor. |
41 * @param SkReadBuffer Serialized picture data. | 64 * @param SkReadBuffer Serialized picture data. |
42 */ | 65 */ |
43 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING | 66 #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING |
44 explicit SkPictureImageFilter(SkReadBuffer&); | 67 explicit SkPictureImageFilter(SkReadBuffer&); |
45 #endif | 68 #endif |
46 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 69 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
47 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, | 70 virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&, |
48 SkBitmap* result, SkIPoint* offset) const SK_OVER RIDE; | 71 SkBitmap* result, SkIPoint* offset) const SK_OVER RIDE; |
49 | 72 |
50 private: | 73 private: |
51 const SkPicture* fPicture; | 74 void drawPictureAtNativeResolution(Proxy*, SkBaseDevice*, const SkIRect& dev iceBounds, |
52 SkRect fCropRect; | 75 const Context&) const; |
76 void drawPictureAtOriginalResolution(Proxy*, SkBaseDevice*, const SkIRect& d eviceBounds, | |
77 const Context&) const; | |
78 | |
79 const SkPicture* fPicture; | |
80 SkRect fCropRect; | |
81 SkPaint::FilterLevel fFilterLevel; | |
82 PictureResolution fPictureResolution; | |
53 typedef SkImageFilter INHERITED; | 83 typedef SkImageFilter INHERITED; |
54 }; | 84 }; |
55 | 85 |
56 #endif | 86 #endif |
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