blob: 300bcd38edee5aa5393d4881871de8b891c3f325 [file] [log] [blame]
* Copyright 2013 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef SkCanvasStack_DEFINED
#define SkCanvasStack_DEFINED
#include "SkNWayCanvas.h"
#include "SkTArray.h"
class SkCanvasStack : public SkNWayCanvas {
SkCanvasStack(int width, int height);
virtual ~SkCanvasStack();
void pushCanvas(SkCanvas* canvas, const SkIPoint& origin);
void removeAll() override;
* The following add/remove canvas methods are overrides from SkNWayCanvas
* that do not make sense in the context of our CanvasStack, but since we
* can share most of the other implementation of NWay we override those
* methods to be no-ops.
void addCanvas(SkCanvas*) override { SkDEBUGFAIL("Invalid Op"); }
void removeCanvas(SkCanvas*) override { SkDEBUGFAIL("Invalid Op"); }
void didSetMatrix(const SkMatrix&) override;
void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) override;
void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) override;
void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) override;
void onClipRegion(const SkRegion&, SkRegion::Op) override;
void clipToZOrderedBounds();
struct CanvasData {
SkIPoint origin;
SkRegion requiredClip;
SkTArray<CanvasData> fCanvasData;
typedef SkNWayCanvas INHERITED;