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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #ifndef SkCanvas_DEFINED | 10 #ifndef SkCanvas_DEFINED |
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666 were in a Shader with CLAMP mode. Thus the color outside of the original | 666 were in a Shader with CLAMP mode. Thus the color outside of the original |
667 width/height will be the edge color replicated. | 667 width/height will be the edge color replicated. |
668 @param bitmap The bitmap to be drawn | 668 @param bitmap The bitmap to be drawn |
669 @param left The position of the left side of the bitmap being drawn | 669 @param left The position of the left side of the bitmap being drawn |
670 @param top The position of the top side of the bitmap being drawn | 670 @param top The position of the top side of the bitmap being drawn |
671 @param paint The paint used to draw the bitmap, or NULL | 671 @param paint The paint used to draw the bitmap, or NULL |
672 */ | 672 */ |
673 virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, | 673 virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, |
674 const SkPaint* paint = NULL); | 674 const SkPaint* paint = NULL); |
675 | 675 |
676 enum DrawBitmapRectFlags { | |
677 kNone_DrawBitmapRectflag = 0x0, | |
reed1
2013/08/14 15:50:56
nit: flag should be Flag
| |
678 /** | |
679 * When filtering is enabled, allow the color samples outside of | |
680 * the src rect (but still in the src bitmap) to bleed into the | |
681 * drawn portion | |
682 */ | |
683 kBleed_DrawBitmapRectFlag = 0x1, | |
684 }; | |
685 | |
676 /** Draw the specified bitmap, with the specified matrix applied (before the | 686 /** Draw the specified bitmap, with the specified matrix applied (before the |
677 canvas' matrix is applied). | 687 canvas' matrix is applied). |
678 @param bitmap The bitmap to be drawn | 688 @param bitmap The bitmap to be drawn |
679 @param src Optional: specify the subset of the bitmap to be drawn | 689 @param src Optional: specify the subset of the bitmap to be drawn |
680 @param dst The destination rectangle where the scaled/translated | 690 @param dst The destination rectangle where the scaled/translated |
681 image will be drawn | 691 image will be drawn |
682 @param paint The paint used to draw the bitmap, or NULL | 692 @param paint The paint used to draw the bitmap, or NULL |
683 */ | 693 */ |
684 virtual void drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, | 694 virtual void drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, |
685 const SkRect& dst, | 695 const SkRect& dst, |
686 const SkPaint* paint); | 696 const SkPaint* paint = NULL, |
697 DrawBitmapRectFlags flags = kNone_DrawBitm apRectflag); | |
687 | 698 |
688 void drawBitmapRect(const SkBitmap& bitmap, const SkRect& dst, | 699 void drawBitmapRect(const SkBitmap& bitmap, const SkRect& dst, |
689 const SkPaint* paint) { | 700 const SkPaint* paint = NULL) { |
690 this->drawBitmapRectToRect(bitmap, NULL, dst, paint); | 701 this->drawBitmapRectToRect(bitmap, NULL, dst, paint, kNone_DrawBitmapRec tflag); |
691 } | 702 } |
692 | 703 |
693 void drawBitmapRect(const SkBitmap& bitmap, const SkIRect* isrc, | 704 void drawBitmapRect(const SkBitmap& bitmap, const SkIRect* isrc, |
694 const SkRect& dst, const SkPaint* paint = NULL) { | 705 const SkRect& dst, const SkPaint* paint = NULL, |
706 DrawBitmapRectFlags flags = kNone_DrawBitmapRectflag) { | |
695 SkRect realSrcStorage; | 707 SkRect realSrcStorage; |
696 SkRect* realSrcPtr = NULL; | 708 SkRect* realSrcPtr = NULL; |
697 if (isrc) { | 709 if (isrc) { |
698 realSrcStorage.set(*isrc); | 710 realSrcStorage.set(*isrc); |
699 realSrcPtr = &realSrcStorage; | 711 realSrcPtr = &realSrcStorage; |
700 } | 712 } |
701 this->drawBitmapRectToRect(bitmap, realSrcPtr, dst, paint); | 713 this->drawBitmapRectToRect(bitmap, realSrcPtr, dst, paint, flags); |
702 } | 714 } |
703 | 715 |
704 virtual void drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m, | 716 virtual void drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m, |
705 const SkPaint* paint = NULL); | 717 const SkPaint* paint = NULL); |
706 | 718 |
707 /** | 719 /** |
708 * Draw the bitmap stretched differentially to fit into dst. | 720 * Draw the bitmap stretched differentially to fit into dst. |
709 * center is a rect within the bitmap, and logically divides the bitmap | 721 * center is a rect within the bitmap, and logically divides the bitmap |
710 * into 9 sections (3x3). For example, if the middle pixel of a [5x5] | 722 * into 9 sections (3x3). For example, if the middle pixel of a [5x5] |
711 * bitmap is the "center", then the center-rect should be [2, 2, 3, 3]. | 723 * bitmap is the "center", then the center-rect should be [2, 2, 3, 3]. |
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1064 | 1076 |
1065 SkDevice* createLayerDevice(SkBitmap::Config, int width, int height, | 1077 SkDevice* createLayerDevice(SkBitmap::Config, int width, int height, |
1066 bool isOpaque); | 1078 bool isOpaque); |
1067 | 1079 |
1068 SkDevice* init(SkDevice*); | 1080 SkDevice* init(SkDevice*); |
1069 | 1081 |
1070 // internal methods are not virtual, so they can safely be called by other | 1082 // internal methods are not virtual, so they can safely be called by other |
1071 // canvas apis, without confusing subclasses (like SkPictureRecording) | 1083 // canvas apis, without confusing subclasses (like SkPictureRecording) |
1072 void internalDrawBitmap(const SkBitmap&, const SkMatrix& m, const SkPaint* p aint); | 1084 void internalDrawBitmap(const SkBitmap&, const SkMatrix& m, const SkPaint* p aint); |
1073 void internalDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, | 1085 void internalDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, |
1074 const SkRect& dst, const SkPaint* paint); | 1086 const SkRect& dst, const SkPaint* paint, |
1087 DrawBitmapRectFlags flags); | |
1075 void internalDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, | 1088 void internalDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, |
1076 const SkRect& dst, const SkPaint* paint); | 1089 const SkRect& dst, const SkPaint* paint); |
1077 void internalDrawPaint(const SkPaint& paint); | 1090 void internalDrawPaint(const SkPaint& paint); |
1078 int internalSaveLayer(const SkRect* bounds, const SkPaint* paint, | 1091 int internalSaveLayer(const SkRect* bounds, const SkPaint* paint, |
1079 SaveFlags, bool justForImageFilter); | 1092 SaveFlags, bool justForImageFilter); |
1080 void internalDrawDevice(SkDevice*, int x, int y, const SkPaint*); | 1093 void internalDrawDevice(SkDevice*, int x, int y, const SkPaint*); |
1081 | 1094 |
1082 // shared by save() and saveLayer() | 1095 // shared by save() and saveLayer() |
1083 int internalSave(SaveFlags flags); | 1096 int internalSave(SaveFlags flags); |
1084 void internalRestore(); | 1097 void internalRestore(); |
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1176 if (NULL != fCanvas) { | 1189 if (NULL != fCanvas) { |
1177 fCanvas->endCommentGroup(); | 1190 fCanvas->endCommentGroup(); |
1178 } | 1191 } |
1179 } | 1192 } |
1180 | 1193 |
1181 private: | 1194 private: |
1182 SkCanvas* fCanvas; | 1195 SkCanvas* fCanvas; |
1183 }; | 1196 }; |
1184 | 1197 |
1185 #endif | 1198 #endif |
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