reed | babc3de | 2016-07-08 08:43:27 -0700 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2016 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 | */ |
| 8 | |
| 9 | #ifndef SkDeferredCanvas_DEFINED |
| 10 | #define SkDeferredCanvas_DEFINED |
| 11 | |
| 12 | #include "../private/SkTDArray.h" |
| 13 | #include "SkCanvas.h" |
| 14 | |
| 15 | class SK_API SkDeferredCanvas : public SkCanvas { |
| 16 | public: |
| 17 | SkDeferredCanvas(SkCanvas*); |
| 18 | ~SkDeferredCanvas() override; |
| 19 | |
| 20 | #ifdef SK_SUPPORT_LEGACY_DRAWFILTER |
| 21 | SkDrawFilter* setDrawFilter(SkDrawFilter*) override; |
| 22 | #endif |
| 23 | |
| 24 | protected: |
| 25 | sk_sp<SkSurface> onNewSurface(const SkImageInfo&, const SkSurfaceProps&) override; |
| 26 | SkISize getBaseLayerSize() const override; |
| 27 | bool getClipBounds(SkRect* bounds) const override; |
| 28 | bool getClipDeviceBounds(SkIRect* bounds) const override; |
| 29 | bool isClipEmpty() const override; |
| 30 | bool isClipRect() const override; |
| 31 | bool onPeekPixels(SkPixmap*) override; |
| 32 | bool onAccessTopLayerPixels(SkPixmap*) override; |
| 33 | SkImageInfo onImageInfo() const override; |
| 34 | bool onGetProps(SkSurfaceProps*) const override; |
| 35 | void onFlush() override; |
| 36 | // SkCanvas* canvasForDrawIter() override; |
| 37 | |
| 38 | void willSave() override; |
| 39 | SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override; |
| 40 | void willRestore() override; |
| 41 | |
| 42 | void didConcat(const SkMatrix&) override; |
| 43 | void didSetMatrix(const SkMatrix&) override; |
| 44 | |
| 45 | void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override; |
| 46 | virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
| 47 | const SkPaint&) override; |
| 48 | virtual void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
| 49 | const SkPaint&) override; |
| 50 | virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
| 51 | SkScalar constY, const SkPaint&) override; |
| 52 | virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| 53 | const SkMatrix* matrix, const SkPaint&) override; |
| 54 | void onDrawTextRSXform(const void* text, size_t byteLength, const SkRSXform[], |
| 55 | const SkRect* cullRect, const SkPaint&) override; |
| 56 | virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| 57 | const SkPaint& paint) override; |
| 58 | virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], |
| 59 | const SkPoint texCoords[4], SkXfermode* xmode, |
| 60 | const SkPaint& paint) override; |
| 61 | |
| 62 | void onDrawPaint(const SkPaint&) override; |
| 63 | void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override; |
| 64 | void onDrawRect(const SkRect&, const SkPaint&) override; |
| 65 | void onDrawOval(const SkRect&, const SkPaint&) override; |
bsalomon | ac3aa24 | 2016-08-19 11:25:19 -0700 | [diff] [blame] | 66 | void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override; |
reed | babc3de | 2016-07-08 08:43:27 -0700 | [diff] [blame] | 67 | void onDrawRRect(const SkRRect&, const SkPaint&) override; |
| 68 | void onDrawPath(const SkPath&, const SkPaint&) override; |
| 69 | void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override; |
| 70 | void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*, |
| 71 | SrcRectConstraint) override; |
| 72 | void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override; |
| 73 | void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst, |
| 74 | const SkPaint*, SrcRectConstraint) override; |
| 75 | void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst, |
| 76 | const SkPaint*) override; |
| 77 | void onDrawImageNine(const SkImage* image, const SkIRect& center, |
| 78 | const SkRect& dst, const SkPaint*) override; |
| 79 | void onDrawVertices(VertexMode vmode, int vertexCount, |
| 80 | const SkPoint vertices[], const SkPoint texs[], |
| 81 | const SkColor colors[], SkXfermode* xmode, |
| 82 | const uint16_t indices[], int indexCount, |
| 83 | const SkPaint&) override; |
| 84 | void onDrawAtlas(const SkImage* image, const SkRSXform xform[], |
| 85 | const SkRect rects[], const SkColor colors[], |
| 86 | int count, SkXfermode::Mode mode, |
| 87 | const SkRect* cull, const SkPaint* paint) override; |
| 88 | |
| 89 | void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) override; |
| 90 | void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) override; |
| 91 | void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) override; |
| 92 | void onClipRegion(const SkRegion&, SkRegion::Op) override; |
| 93 | |
| 94 | void onDrawDrawable(SkDrawable*, const SkMatrix*) override; |
| 95 | void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override; |
| 96 | void onDrawAnnotation(const SkRect&, const char[], SkData*) override; |
| 97 | |
| 98 | class Iter; |
| 99 | |
| 100 | private: |
| 101 | SkCanvas* fCanvas; |
| 102 | |
| 103 | enum Type { |
| 104 | kSave_Type, |
| 105 | kClipRect_Type, |
| 106 | kTrans_Type, |
| 107 | kScaleTrans_Type, |
| 108 | }; |
| 109 | struct Rec { |
| 110 | Type fType; |
| 111 | union { |
| 112 | SkRect fBounds; |
| 113 | SkVector fTranslate; |
| 114 | struct { |
| 115 | SkVector fScale; |
| 116 | SkVector fTrans; // post translate |
| 117 | } fScaleTrans; |
| 118 | } fData; |
| 119 | |
| 120 | bool isConcat(SkMatrix*) const; |
| 121 | void getConcat(SkMatrix* mat) const { |
| 122 | SkDEBUGCODE(bool isconcat = ) this->isConcat(mat); |
| 123 | SkASSERT(isconcat); |
| 124 | } |
| 125 | void setConcat(const SkMatrix&); |
| 126 | }; |
| 127 | SkTDArray<Rec> fRecs; |
| 128 | |
| 129 | void push_save(); |
| 130 | void push_cliprect(const SkRect&); |
| 131 | bool push_concat(const SkMatrix&); |
| 132 | |
| 133 | void emit(const Rec& rec); |
| 134 | |
| 135 | void flush_all(); |
| 136 | void flush_before_saves(); |
| 137 | void flush_le(int index); |
| 138 | void flush_translate(SkScalar* x, SkScalar* y, const SkPaint&); |
| 139 | void flush_translate(SkScalar* x, SkScalar* y, const SkRect& bounds, const SkPaint* = nullptr); |
| 140 | void flush_check(SkRect* bounds, const SkPaint*, unsigned flags = 0); |
| 141 | |
| 142 | void internal_flush_translate(SkScalar* x, SkScalar* y, const SkRect* boundsOrNull); |
| 143 | |
| 144 | typedef SkCanvas INHERITED; |
| 145 | }; |
| 146 | |
| 147 | |
| 148 | #endif |