3 * Copyright 2006 The Android Open Source Project
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
10 #ifndef SkLayerRasterizer_DEFINED
11 #define SkLayerRasterizer_DEFINED
13 #include "SkRasterizer.h"
19 class SK_API SkLayerRasterizer : public SkRasterizer {
22 virtual ~SkLayerRasterizer();
24 void addLayer(const SkPaint& paint) {
25 this->addLayer(paint, 0, 0);
28 /** Add a new layer (above any previous layers) to the rasterizer.
29 The layer will extract those fields that affect the mask from
30 the specified paint, but will not retain a reference to the paint
31 object itself, so it may be reused without danger of side-effects.
33 void addLayer(const SkPaint& paint, SkScalar dx, SkScalar dy);
35 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLayerRasterizer)
38 SkLayerRasterizer(SkFlattenableReadBuffer&);
39 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
41 // override from SkRasterizer
42 virtual bool onRasterize(const SkPath& path, const SkMatrix& matrix,
43 const SkIRect* clipBounds,
44 SkMask* mask, SkMask::CreateMode mode) const;
49 typedef SkRasterizer INHERITED;