gfx/skia/trunk/src/utils/SkCanvasStack.h@deefc01c0e14
gfx/skia/trunk/src/utils/SkCanvasStack.h
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
2 /*
3 * Copyright 2013 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
9 #ifndef SkCanvasStack_DEFINED
10 #define SkCanvasStack_DEFINED
12 #include "SkNWayCanvas.h"
13 #include "SkTArray.h"
15 class SkCanvasStack : public SkNWayCanvas {
16 public:
17 SkCanvasStack(int width, int height);
18 virtual ~SkCanvasStack();
20 void pushCanvas(SkCanvas* canvas, const SkIPoint& origin);
21 virtual void removeAll() SK_OVERRIDE;
23 /*
24 * The following add/remove canvas methods are overrides from SkNWayCanvas
25 * that do not make sense in the context of our CanvasStack, but since we
26 * can share most of the other implementation of NWay we override those
27 * methods to be no-ops.
28 */
29 virtual void addCanvas(SkCanvas*) SK_OVERRIDE { SkDEBUGFAIL("Invalid Op"); }
30 virtual void removeCanvas(SkCanvas*) SK_OVERRIDE { SkDEBUGFAIL("Invalid Op"); }
32 protected:
33 virtual void didSetMatrix(const SkMatrix&) SK_OVERRIDE;
35 virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
36 virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
37 virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
38 virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE;
40 private:
41 void clipToZOrderedBounds();
43 struct CanvasData {
44 SkIPoint origin;
45 SkRegion requiredClip;
46 };
48 SkTArray<CanvasData> fCanvasData;
50 typedef SkNWayCanvas INHERITED;
51 };
53 #endif
