Derek Sollenberger | 1db141f | 2014-12-16 08:37:20 -0500 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef SkiaCanvasProxy_DEFINED |
| 18 | #define SkiaCanvasProxy_DEFINED |
| 19 | |
| 20 | #include <cutils/compiler.h> |
| 21 | #include <SkCanvas.h> |
| 22 | |
| 23 | #include "Canvas.h" |
| 24 | |
| 25 | namespace android { |
| 26 | namespace uirenderer { |
| 27 | |
| 28 | /** |
| 29 | * This class serves as a proxy between Skia's SkCanvas and Android Framework's |
| 30 | * Canvas. The class does not maintain any state and will pass through any request |
| 31 | * directly to the Canvas provided in the constructor. |
| 32 | * |
| 33 | * Upon construction it is expected that the provided Canvas has already been |
| 34 | * prepared for recording and will continue to be in the recording state while |
| 35 | * this proxy class is being used. |
| 36 | */ |
| 37 | class ANDROID_API SkiaCanvasProxy : public SkCanvas { |
| 38 | public: |
| 39 | SkiaCanvasProxy(Canvas* canvas); |
| 40 | virtual ~SkiaCanvasProxy() {} |
| 41 | |
| 42 | protected: |
| 43 | |
| 44 | virtual SkSurface* onNewSurface(const SkImageInfo&, const SkSurfaceProps&) override; |
| 45 | |
| 46 | virtual void willSave() override; |
| 47 | virtual SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveFlags) override; |
| 48 | virtual void willRestore() override; |
| 49 | |
| 50 | virtual void didConcat(const SkMatrix&) override; |
| 51 | virtual void didSetMatrix(const SkMatrix&) override; |
| 52 | |
| 53 | virtual void onDrawPaint(const SkPaint& paint) override; |
| 54 | virtual void onDrawPoints(PointMode, size_t count, const SkPoint pts[], |
| 55 | const SkPaint&) override; |
| 56 | virtual void onDrawOval(const SkRect&, const SkPaint&) override; |
| 57 | virtual void onDrawRect(const SkRect&, const SkPaint&) override; |
| 58 | virtual void onDrawRRect(const SkRRect&, const SkPaint&) override; |
| 59 | virtual void onDrawPath(const SkPath& path, const SkPaint&) override; |
| 60 | virtual void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, |
| 61 | const SkPaint*) override; |
| 62 | virtual void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, |
| 63 | const SkPaint* paint, DrawBitmapRectFlags flags) override; |
| 64 | virtual void onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, |
| 65 | const SkRect& dst, const SkPaint*) override; |
| 66 | virtual void onDrawSprite(const SkBitmap&, int left, int top, |
| 67 | const SkPaint*) override; |
| 68 | virtual void onDrawVertices(VertexMode, int vertexCount, const SkPoint vertices[], |
| 69 | const SkPoint texs[], const SkColor colors[], SkXfermode*, |
| 70 | const uint16_t indices[], int indexCount, |
| 71 | const SkPaint&) override; |
| 72 | |
| 73 | virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override; |
| 74 | |
| 75 | virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
| 76 | const SkPaint&) override; |
| 77 | virtual void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
| 78 | const SkPaint&) override; |
| 79 | virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
| 80 | SkScalar constY, const SkPaint&) override; |
| 81 | virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| 82 | const SkMatrix* matrix, const SkPaint&) override; |
| 83 | virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| 84 | const SkPaint& paint) override; |
| 85 | |
| 86 | virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], |
| 87 | const SkPoint texCoords[4], SkXfermode* xmode, |
| 88 | const SkPaint& paint) override; |
| 89 | |
| 90 | virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) override; |
| 91 | virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) override; |
| 92 | virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) override; |
| 93 | virtual void onClipRegion(const SkRegion&, SkRegion::Op) override; |
| 94 | |
| 95 | private: |
| 96 | Canvas* mCanvas; |
| 97 | |
| 98 | typedef SkCanvas INHERITED; |
| 99 | }; |
| 100 | |
| 101 | }; // namespace uirenderer |
| 102 | }; // namespace android |
| 103 | |
| 104 | #endif // SkiaCanvasProxy_DEFINED |