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1 /* | 1 /* |
2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 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 SkCanvas_DEFINED | 8 #ifndef SkCanvas_DEFINED |
9 #define SkCanvas_DEFINED | 9 #define SkCanvas_DEFINED |
10 | 10 |
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700 @param paint The paint used to draw the rect | 700 @param paint The paint used to draw the rect |
701 */ | 701 */ |
702 void drawRectCoords(SkScalar left, SkScalar top, SkScalar right, | 702 void drawRectCoords(SkScalar left, SkScalar top, SkScalar right, |
703 SkScalar bottom, const SkPaint& paint); | 703 SkScalar bottom, const SkPaint& paint); |
704 | 704 |
705 /** Draw the outline of the specified region using the specified paint. | 705 /** Draw the outline of the specified region using the specified paint. |
706 @param region The region to be drawn | 706 @param region The region to be drawn |
707 @param paint The paint used to draw the region | 707 @param paint The paint used to draw the region |
708 */ | 708 */ |
709 void drawRegion(const SkRegion& region, const SkPaint& paint) { | 709 void drawRegion(const SkRegion& region, const SkPaint& paint) { |
| 710 if (region.isEmpty()) { |
| 711 return; |
| 712 } |
| 713 |
710 this->onDrawRegion(region, paint); | 714 this->onDrawRegion(region, paint); |
711 } | 715 } |
712 | 716 |
713 /** Draw the specified oval using the specified paint. The oval will be | 717 /** Draw the specified oval using the specified paint. The oval will be |
714 filled or framed based on the Style in the paint. | 718 filled or framed based on the Style in the paint. |
715 @param oval The rectangle bounds of the oval to be drawn | 719 @param oval The rectangle bounds of the oval to be drawn |
716 @param paint The paint used to draw the oval | 720 @param paint The paint used to draw the oval |
717 */ | 721 */ |
718 void drawOval(const SkRect& oval, const SkPaint&); | 722 void drawOval(const SkRect& oval, const SkPaint&); |
719 | 723 |
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1695 | 1699 |
1696 class SkCanvasClipVisitor { | 1700 class SkCanvasClipVisitor { |
1697 public: | 1701 public: |
1698 virtual ~SkCanvasClipVisitor(); | 1702 virtual ~SkCanvasClipVisitor(); |
1699 virtual void clipRect(const SkRect&, SkRegion::Op, bool antialias) = 0; | 1703 virtual void clipRect(const SkRect&, SkRegion::Op, bool antialias) = 0; |
1700 virtual void clipRRect(const SkRRect&, SkRegion::Op, bool antialias) = 0; | 1704 virtual void clipRRect(const SkRRect&, SkRegion::Op, bool antialias) = 0; |
1701 virtual void clipPath(const SkPath&, SkRegion::Op, bool antialias) = 0; | 1705 virtual void clipPath(const SkPath&, SkRegion::Op, bool antialias) = 0; |
1702 }; | 1706 }; |
1703 | 1707 |
1704 #endif | 1708 #endif |
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