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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkCanvasVirtualEnforcer_DEFINED
#define SkCanvasVirtualEnforcer_DEFINED
#include "SkCanvas.h"
// If you would ordinarily want to inherit from Base (eg SkCanvas, SkNWayCanvas), instead
// inherit from SkCanvasVirtualEnforcer<Base>, which will make the build fail if you forget
// to override one of SkCanvas' key virtual hooks.
template <typename Base>
class SkCanvasVirtualEnforcer : public Base {
public:
using Base::Base;
protected:
void onDrawPaint(const SkPaint& paint) override = 0;
void onDrawRect(const SkRect& rect, const SkPaint& paint) override = 0;
void onDrawRRect(const SkRRect& rrect, const SkPaint& paint) override = 0;
void onDrawDRRect(const SkRRect& outer, const SkRRect& inner,
const SkPaint& paint) override = 0;
void onDrawOval(const SkRect& rect, const SkPaint& paint) override = 0;
void onDrawArc(const SkRect& rect, SkScalar startAngle, SkScalar sweepAngle, bool useCenter,
const SkPaint& paint) override = 0;
void onDrawPath(const SkPath& path, const SkPaint& paint) override = 0;
void onDrawRegion(const SkRegion& region, const SkPaint& paint) override = 0;
void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
const SkPaint& paint) override = 0;
void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
const SkPaint& paint) override = 0;
void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
SkScalar constY, const SkPaint& paint) override = 0;
void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint& paint) override = 0;
void onDrawTextRSXform(const void* text, size_t byteLength, const SkRSXform xform[],
const SkRect* cullRect, const SkPaint& paint) override = 0;
void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) override = 0;
void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
const SkPoint texCoords[4], SkBlendMode mode,
const SkPaint& paint) override = 0;
void onDrawPoints(SkCanvas::PointMode mode, size_t count, const SkPoint pts[],
const SkPaint& paint) override = 0;
void onDrawVerticesObject(const SkVertices* vertices, SkBlendMode mode,
const SkPaint& paint) override = 0;
void onDrawImage(const SkImage* image, SkScalar dx, SkScalar dy,
const SkPaint* paint) override = 0;
void onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
const SkPaint* paint, SkCanvas::SrcRectConstraint constraint) override = 0;
void onDrawImageNine(const SkImage* image, const SkIRect& center, const SkRect& dst,
const SkPaint* paint) override = 0;
void onDrawImageLattice(const SkImage* image, const SkCanvas::Lattice& lattice,
const SkRect& dst, const SkPaint* paint) override = 0;
void onDrawBitmap(const SkBitmap& bitmap, SkScalar dx, SkScalar dy,
const SkPaint* paint) override = 0;
void onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst,
const SkPaint* paint,
SkCanvas::SrcRectConstraint constraint) override = 0;
void onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, const SkRect& dst,
const SkPaint* paint) override = 0;
void onDrawBitmapLattice(const SkBitmap& bitmap, const SkCanvas::Lattice& lattice,
const SkRect& dst, const SkPaint* paint) override = 0;
void onDrawAtlas(const SkImage* atlas, const SkRSXform xform[], const SkRect rect[],
const SkColor colors[], int count, SkBlendMode mode, const SkRect* cull,
const SkPaint* paint) override = 0;
void onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) override = 0;
void onDrawShadowRec(const SkPath&, const SkDrawShadowRec&) override = 0;
void onDrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) override = 0;
void onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
const SkPaint* paint) override = 0;
};
#endif
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