| |
| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkDeferredCanvas_DEFINED |
| #define SkDeferredCanvas_DEFINED |
| |
| #include "../private/SkTDArray.h" |
| #include "SkNoDrawCanvas.h" |
| |
| class SK_API SkDeferredCanvas : public SkNoDrawCanvas { |
| public: |
| SkDeferredCanvas(SkCanvas* = nullptr); |
| ~SkDeferredCanvas() override; |
| |
| void reset(SkCanvas*); |
| |
| #ifdef SK_SUPPORT_LEGACY_DRAWFILTER |
| SkDrawFilter* setDrawFilter(SkDrawFilter*) override; |
| #endif |
| |
| protected: |
| sk_sp<SkSurface> onNewSurface(const SkImageInfo&, const SkSurfaceProps&) override; |
| SkISize getBaseLayerSize() const override; |
| bool getClipBounds(SkRect* bounds) const override; |
| bool getClipDeviceBounds(SkIRect* bounds) const override; |
| bool isClipEmpty() const override; |
| bool isClipRect() const override; |
| bool onPeekPixels(SkPixmap*) override; |
| bool onAccessTopLayerPixels(SkPixmap*) override; |
| SkImageInfo onImageInfo() const override; |
| bool onGetProps(SkSurfaceProps*) const override; |
| void onFlush() override; |
| |
| void willSave() override; |
| SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override; |
| void willRestore() override; |
| |
| void didConcat(const SkMatrix&) override; |
| void didSetMatrix(const SkMatrix&) override; |
| |
| void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override; |
| virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
| const SkPaint&) override; |
| virtual void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
| const SkPaint&) override; |
| virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
| SkScalar constY, const SkPaint&) override; |
| virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| const SkMatrix* matrix, const SkPaint&) override; |
| void onDrawTextRSXform(const void* text, size_t byteLength, const SkRSXform[], |
| const SkRect* cullRect, const SkPaint&) override; |
| virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| const SkPaint& paint) override; |
| virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], |
| const SkPoint texCoords[4], SkBlendMode, |
| const SkPaint& paint) override; |
| |
| void onDrawPaint(const SkPaint&) override; |
| void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override; |
| void onDrawRect(const SkRect&, const SkPaint&) override; |
| void onDrawRegion(const SkRegion& region, const SkPaint& paint) override; |
| void onDrawOval(const SkRect&, const SkPaint&) override; |
| void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override; |
| void onDrawRRect(const SkRRect&, const SkPaint&) override; |
| void onDrawPath(const SkPath&, const SkPaint&) override; |
| |
| void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override; |
| void onDrawBitmapLattice(const SkBitmap&, const Lattice& lattice, const SkRect& dst, |
| const SkPaint*) override; |
| void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst, |
| const SkPaint*) override; |
| void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*, |
| SrcRectConstraint) override; |
| |
| void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override; |
| void onDrawImageLattice(const SkImage*, const Lattice& lattice, const SkRect& dst, |
| const SkPaint*) override; |
| void onDrawImageNine(const SkImage* image, const SkIRect& center, |
| const SkRect& dst, const SkPaint*) override; |
| void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst, |
| const SkPaint*, SrcRectConstraint) override; |
| |
| void onDrawVertices(VertexMode vmode, int vertexCount, |
| const SkPoint vertices[], const SkPoint texs[], |
| const SkColor colors[], SkBlendMode, |
| const uint16_t indices[], int indexCount, |
| const SkPaint&) override; |
| void onDrawAtlas(const SkImage* image, const SkRSXform xform[], |
| const SkRect rects[], const SkColor colors[], |
| int count, SkBlendMode, const SkRect* cull, const SkPaint* paint) override; |
| |
| void onClipRect(const SkRect&, ClipOp, ClipEdgeStyle) override; |
| void onClipRRect(const SkRRect&, ClipOp, ClipEdgeStyle) override; |
| void onClipPath(const SkPath&, ClipOp, ClipEdgeStyle) override; |
| void onClipRegion(const SkRegion&, ClipOp) override; |
| |
| void onDrawDrawable(SkDrawable*, const SkMatrix*) override; |
| void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override; |
| void onDrawAnnotation(const SkRect&, const char[], SkData*) override; |
| |
| class Iter; |
| |
| private: |
| SkCanvas* fCanvas{nullptr}; |
| |
| enum Type { |
| kSave_Type, |
| kClipRect_Type, |
| kTrans_Type, |
| kScaleTrans_Type, |
| }; |
| struct Rec { |
| Type fType; |
| union { |
| SkRect fBounds; |
| SkVector fTranslate; |
| struct { |
| SkVector fScale; |
| SkVector fTrans; // post translate |
| } fScaleTrans; |
| } fData; |
| |
| bool isConcat(SkMatrix*) const; |
| void getConcat(SkMatrix* mat) const { |
| SkDEBUGCODE(bool isconcat = ) this->isConcat(mat); |
| SkASSERT(isconcat); |
| } |
| void setConcat(const SkMatrix&); |
| }; |
| SkTDArray<Rec> fRecs; |
| |
| void push_save(); |
| void push_cliprect(const SkRect&); |
| bool push_concat(const SkMatrix&); |
| |
| void emit(const Rec& rec); |
| |
| void flush_all(); |
| void flush_before_saves(); |
| void flush_le(int index); |
| void flush_translate(SkScalar* x, SkScalar* y, const SkPaint&); |
| void flush_translate(SkScalar* x, SkScalar* y, const SkRect& bounds, const SkPaint* = nullptr); |
| void flush_check(SkRect* bounds, const SkPaint*, unsigned flags = 0); |
| |
| void internal_flush_translate(SkScalar* x, SkScalar* y, const SkRect* boundsOrNull); |
| |
| typedef SkNoDrawCanvas INHERITED; |
| }; |
| |
| |
| #endif |