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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkPaintFilterCanvas.h"
#include "SkPaint.h"
#include "SkTLazy.h"
class SkPaintFilterCanvas::AutoPaintFilter {
public:
AutoPaintFilter(const SkPaintFilterCanvas* canvas, Type type, const SkPaint* paint)
: fPaint(paint) {
fShouldDraw = canvas->onFilter(&fPaint, type);
}
AutoPaintFilter(const SkPaintFilterCanvas* canvas, Type type, const SkPaint& paint)
: AutoPaintFilter(canvas, type, &paint) { }
const SkPaint* paint() const { return fPaint; }
bool shouldDraw() const { return fShouldDraw; }
private:
SkTCopyOnFirstWrite<SkPaint> fPaint;
bool fShouldDraw;
};
SkPaintFilterCanvas::SkPaintFilterCanvas(SkCanvas *canvas)
: INHERITED(canvas->imageInfo().width(), canvas->imageInfo().height()) {
// Transfer matrix & clip state before adding the target canvas.
this->clipRect(SkRect::Make(canvas->getDeviceClipBounds()));
this->setMatrix(canvas->getTotalMatrix());
this->addCanvas(canvas);
}
void SkPaintFilterCanvas::onDrawPaint(const SkPaint& paint) {
AutoPaintFilter apf(this, kPaint_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawPaint(*apf.paint());
}
}
void SkPaintFilterCanvas::onDrawPoints(PointMode mode, size_t count, const SkPoint pts[],
const SkPaint& paint) {
AutoPaintFilter apf(this, kPoint_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawPoints(mode, count, pts, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawRect(const SkRect& rect, const SkPaint& paint) {
AutoPaintFilter apf(this, kRect_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawRect(rect, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) {
AutoPaintFilter apf(this, kRRect_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawRRect(rrect, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner,
const SkPaint& paint) {
AutoPaintFilter apf(this, kDRRect_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawDRRect(outer, inner, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawOval(const SkRect& rect, const SkPaint& paint) {
AutoPaintFilter apf(this, kOval_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawOval(rect, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawArc(const SkRect& rect, SkScalar startAngle, SkScalar sweepAngle,
bool useCenter, const SkPaint& paint) {
AutoPaintFilter apf(this, kArc_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawArc(rect, startAngle, sweepAngle, useCenter, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) {
AutoPaintFilter apf(this, kPath_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawPath(path, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawBitmap(const SkBitmap& bm, SkScalar left, SkScalar top,
const SkPaint* paint) {
AutoPaintFilter apf(this, kBitmap_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawBitmap(bm, left, top, apf.paint());
}
}
void SkPaintFilterCanvas::onDrawBitmapRect(const SkBitmap& bm, const SkRect* src, const SkRect& dst,
const SkPaint* paint, SrcRectConstraint constraint) {
AutoPaintFilter apf(this, kBitmap_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawBitmapRect(bm, src, dst, apf.paint(), constraint);
}
}
void SkPaintFilterCanvas::onDrawBitmapNine(const SkBitmap& bm, const SkIRect& center,
const SkRect& dst, const SkPaint* paint) {
AutoPaintFilter apf(this, kBitmap_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawBitmapNine(bm, center, dst, apf.paint());
}
}
void SkPaintFilterCanvas::onDrawImage(const SkImage* image, SkScalar left, SkScalar top,
const SkPaint* paint) {
AutoPaintFilter apf(this, kBitmap_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawImage(image, left, top, apf.paint());
}
}
void SkPaintFilterCanvas::onDrawImageRect(const SkImage* image, const SkRect* src,
const SkRect& dst, const SkPaint* paint,
SrcRectConstraint constraint) {
AutoPaintFilter apf(this, kBitmap_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawImageRect(image, src, dst, apf.paint(), constraint);
}
}
void SkPaintFilterCanvas::onDrawImageNine(const SkImage* image, const SkIRect& center,
const SkRect& dst, const SkPaint* paint) {
AutoPaintFilter apf(this, kBitmap_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawImageNine(image, center, dst, apf.paint());
}
}
void SkPaintFilterCanvas::onDrawVerticesObject(const SkVertices* vertices, SkBlendMode bmode,
const SkPaint& paint) {
AutoPaintFilter apf(this, kVertices_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawVerticesObject(vertices, bmode, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawPatch(const SkPoint cubics[], const SkColor colors[],
const SkPoint texCoords[], SkBlendMode bmode,
const SkPaint& paint) {
AutoPaintFilter apf(this, kPatch_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawPatch(cubics, colors, texCoords, bmode, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* m,
const SkPaint* paint) {
AutoPaintFilter apf(this, kPicture_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawPicture(picture, m, apf.paint());
}
}
void SkPaintFilterCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
const SkPaint& paint) {
AutoPaintFilter apf(this, kText_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawText(text, byteLength, x, y, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
const SkPaint& paint) {
AutoPaintFilter apf(this, kText_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawPosText(text, byteLength, pos, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
SkScalar constY, const SkPaint& paint) {
AutoPaintFilter apf(this, kText_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawPosTextH(text, byteLength, xpos, constY, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint& paint) {
AutoPaintFilter apf(this, kText_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawTextOnPath(text, byteLength, path, matrix, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawTextRSXform(const void* text, size_t byteLength,
const SkRSXform xform[], const SkRect* cull,
const SkPaint& paint) {
AutoPaintFilter apf(this, kText_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawTextRSXform(text, byteLength, xform, cull, *apf.paint());
}
}
void SkPaintFilterCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) {
AutoPaintFilter apf(this, kTextBlob_Type, paint);
if (apf.shouldDraw()) {
this->INHERITED::onDrawTextBlob(blob, x, y, *apf.paint());
}
}
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