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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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50 SK_DECLARE_INST_COUNT(SkCanvas) | 50 SK_DECLARE_INST_COUNT(SkCanvas) |
51 | 51 |
52 SkCanvas(); | 52 SkCanvas(); |
53 | 53 |
54 /** Construct a canvas with the specified device to draw into. | 54 /** Construct a canvas with the specified device to draw into. |
55 | 55 |
56 @param device Specifies a device for the canvas to draw into. | 56 @param device Specifies a device for the canvas to draw into. |
57 */ | 57 */ |
58 explicit SkCanvas(SkBaseDevice* device); | 58 explicit SkCanvas(SkBaseDevice* device); |
59 | 59 |
60 /** Deprecated - Construct a canvas with the specified bitmap to draw into. | 60 /** Construct a canvas with the specified bitmap to draw into. |
61 @param bitmap Specifies a bitmap for the canvas to draw into. Its | 61 @param bitmap Specifies a bitmap for the canvas to draw into. Its |
62 structure are copied to the canvas. | 62 structure are copied to the canvas. |
63 */ | 63 */ |
64 explicit SkCanvas(const SkBitmap& bitmap); | 64 explicit SkCanvas(const SkBitmap& bitmap); |
65 virtual ~SkCanvas(); | 65 virtual ~SkCanvas(); |
66 | 66 |
67 SkMetaData& getMetaData(); | 67 SkMetaData& getMetaData(); |
68 | 68 |
69 /////////////////////////////////////////////////////////////////////////// | 69 /////////////////////////////////////////////////////////////////////////// |
70 | 70 |
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935 kEmpty_ClipType = 0, | 935 kEmpty_ClipType = 0, |
936 kRect_ClipType, | 936 kRect_ClipType, |
937 kComplex_ClipType | 937 kComplex_ClipType |
938 }; | 938 }; |
939 | 939 |
940 /** Returns a description of the total clip; may be cheaper than | 940 /** Returns a description of the total clip; may be cheaper than |
941 getting the clip and querying it directly. | 941 getting the clip and querying it directly. |
942 */ | 942 */ |
943 ClipType getClipType() const; | 943 ClipType getClipType() const; |
944 | 944 |
945 /** Return the current device clip (concatenation of all clip calls). | 945 /** DEPRECATED -- need to move this guy to private/friend |
| 946 * Return the current device clip (concatenation of all clip calls). |
946 * This does not account for the translate in any of the devices. | 947 * This does not account for the translate in any of the devices. |
947 * @return the current device clip (concatenation of all clip calls). | 948 * @return the current device clip (concatenation of all clip calls). |
948 * | |
949 * DEPRECATED -- call getClipDeviceBounds() instead. | |
950 */ | 949 */ |
951 const SkRegion& getTotalClip() const; | 950 const SkRegion& getTotalClip() const; |
952 | 951 |
953 /** Return the clip stack. The clip stack stores all the individual | 952 /** Return the clip stack. The clip stack stores all the individual |
954 * clips organized by the save/restore frame in which they were | 953 * clips organized by the save/restore frame in which they were |
955 * added. | 954 * added. |
956 * @return the current clip stack ("list" of individual clip elements) | 955 * @return the current clip stack ("list" of individual clip elements) |
957 */ | 956 */ |
958 const SkClipStack* getClipStack() const { | 957 const SkClipStack* getClipStack() const { |
959 return &fClipStack; | 958 return &fClipStack; |
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1027 | 1026 |
1028 // Called by child classes that override clipPath and clipRRect to only | 1027 // Called by child classes that override clipPath and clipRRect to only |
1029 // track fast conservative clip bounds, rather than exact clips. | 1028 // track fast conservative clip bounds, rather than exact clips. |
1030 bool updateClipConservativelyUsingBounds(const SkRect&, SkRegion::Op, | 1029 bool updateClipConservativelyUsingBounds(const SkRect&, SkRegion::Op, |
1031 bool inverseFilled); | 1030 bool inverseFilled); |
1032 | 1031 |
1033 // notify our surface (if we have one) that we are about to draw, so it | 1032 // notify our surface (if we have one) that we are about to draw, so it |
1034 // can perform copy-on-write or invalidate any cached images | 1033 // can perform copy-on-write or invalidate any cached images |
1035 void predrawNotify(); | 1034 void predrawNotify(); |
1036 | 1035 |
1037 /** DEPRECATED -- use constructor(device) | 1036 /** |
1038 | 1037 DEPRECATED -- need to remove when subclass stop relying on it. |
1039 Marked as 'protected' to avoid new clients using this before we can | 1038 Marked as 'protected' to avoid new clients using this before we can |
1040 completely remove it. | 1039 completely remove it. |
1041 | 1040 |
1042 Specify a device for this canvas to draw into. If it is not null, its | 1041 Specify a device for this canvas to draw into. If it is not null, its |
1043 reference count is incremented. If the canvas was already holding a | 1042 reference count is incremented. If the canvas was already holding a |
1044 device, its reference count is decremented. The new device is returned. | 1043 device, its reference count is decremented. The new device is returned. |
1045 */ | 1044 */ |
1046 virtual SkBaseDevice* setDevice(SkBaseDevice* device); | 1045 virtual SkBaseDevice* setDevice(SkBaseDevice* device); |
1047 | 1046 |
1048 private: | 1047 private: |
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1190 if (NULL != fCanvas) { | 1189 if (NULL != fCanvas) { |
1191 fCanvas->endCommentGroup(); | 1190 fCanvas->endCommentGroup(); |
1192 } | 1191 } |
1193 } | 1192 } |
1194 | 1193 |
1195 private: | 1194 private: |
1196 SkCanvas* fCanvas; | 1195 SkCanvas* fCanvas; |
1197 }; | 1196 }; |
1198 | 1197 |
1199 #endif | 1198 #endif |
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