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Diffstat (limited to 'gfx/skia/skia/src/utils/SkDeferredCanvas.h')
| -rw-r--r-- | gfx/skia/skia/src/utils/SkDeferredCanvas.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/utils/SkDeferredCanvas.h b/gfx/skia/skia/src/utils/SkDeferredCanvas.h new file mode 100644 index 000000000..312c22d26 --- /dev/null +++ b/gfx/skia/skia/src/utils/SkDeferredCanvas.h @@ -0,0 +1,156 @@ + +/* + * 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 "SkCanvas.h" + +class SK_API SkDeferredCanvas : public SkCanvas { +public: + SkDeferredCanvas(SkCanvas*); + ~SkDeferredCanvas() override; + +#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; +// SkCanvas* canvasForDrawIter() 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], SkXfermode* xmode, + 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[], SkXfermode* xmode, + 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, SkXfermode::Mode mode, + 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; + + 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 SkCanvas INHERITED; +}; + + +#endif |