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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkNWayCanvas.h"
SkNWayCanvas::SkNWayCanvas(int width, int height)
: INHERITED(width, height) {}
SkNWayCanvas::~SkNWayCanvas() {
this->removeAll();
}
void SkNWayCanvas::addCanvas(SkCanvas* canvas) {
if (canvas) {
canvas->ref();
*fList.append() = canvas;
}
}
void SkNWayCanvas::removeCanvas(SkCanvas* canvas) {
int index = fList.find(canvas);
if (index >= 0) {
canvas->unref();
fList.removeShuffle(index);
}
}
void SkNWayCanvas::removeAll() {
fList.unrefAll();
fList.reset();
}
///////////////////////////////////////////////////////////////////////////
// These are forwarded to the N canvases we're referencing
class SkNWayCanvas::Iter {
public:
Iter(const SkTDArray<SkCanvas*>& list) : fList(list) {
fIndex = 0;
}
bool next() {
if (fIndex < fList.count()) {
fCanvas = fList[fIndex++];
return true;
}
return false;
}
SkCanvas* operator->() { return fCanvas; }
private:
const SkTDArray<SkCanvas*>& fList;
int fIndex;
SkCanvas* fCanvas;
};
void SkNWayCanvas::willSave() {
Iter iter(fList);
while (iter.next()) {
iter->save();
}
this->INHERITED::willSave();
}
SkCanvas::SaveLayerStrategy SkNWayCanvas::getSaveLayerStrategy(const SaveLayerRec& rec) {
Iter iter(fList);
while (iter.next()) {
iter->saveLayer(rec);
}
this->INHERITED::getSaveLayerStrategy(rec);
// No need for a layer.
return kNoLayer_SaveLayerStrategy;
}
void SkNWayCanvas::willRestore() {
Iter iter(fList);
while (iter.next()) {
iter->restore();
}
this->INHERITED::willRestore();
}
void SkNWayCanvas::didConcat(const SkMatrix& matrix) {
Iter iter(fList);
while (iter.next()) {
iter->concat(matrix);
}
this->INHERITED::didConcat(matrix);
}
void SkNWayCanvas::didSetMatrix(const SkMatrix& matrix) {
Iter iter(fList);
while (iter.next()) {
iter->setMatrix(matrix);
}
this->INHERITED::didSetMatrix(matrix);
}
void SkNWayCanvas::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
Iter iter(fList);
while (iter.next()) {
iter->clipRect(rect, op, kSoft_ClipEdgeStyle == edgeStyle);
}
this->INHERITED::onClipRect(rect, op, edgeStyle);
}
void SkNWayCanvas::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
Iter iter(fList);
while (iter.next()) {
iter->clipRRect(rrect, op, kSoft_ClipEdgeStyle == edgeStyle);
}
this->INHERITED::onClipRRect(rrect, op, edgeStyle);
}
void SkNWayCanvas::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
Iter iter(fList);
while (iter.next()) {
iter->clipPath(path, op, kSoft_ClipEdgeStyle == edgeStyle);
}
this->INHERITED::onClipPath(path, op, edgeStyle);
}
void SkNWayCanvas::onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) {
Iter iter(fList);
while (iter.next()) {
iter->clipRegion(deviceRgn, op);
}
this->INHERITED::onClipRegion(deviceRgn, op);
}
void SkNWayCanvas::onDrawPaint(const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawPaint(paint);
}
}
void SkNWayCanvas::onDrawPoints(PointMode mode, size_t count, const SkPoint pts[],
const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawPoints(mode, count, pts, paint);
}
}
void SkNWayCanvas::onDrawRect(const SkRect& rect, const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawRect(rect, paint);
}
}
void SkNWayCanvas::onDrawOval(const SkRect& rect, const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawOval(rect, paint);
}
}
void SkNWayCanvas::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawRRect(rrect, paint);
}
}
void SkNWayCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawDRRect(outer, inner, paint);
}
}
void SkNWayCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawPath(path, paint);
}
}
void SkNWayCanvas::onDrawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y,
const SkPaint* paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawBitmap(bitmap, x, y, paint);
}
}
void SkNWayCanvas::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst,
const SkPaint* paint, SrcRectConstraint constraint) {
Iter iter(fList);
while (iter.next()) {
iter->legacy_drawBitmapRect(bitmap, src, dst, paint, (SrcRectConstraint)constraint);
}
}
void SkNWayCanvas::onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
const SkRect& dst, const SkPaint* paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawBitmapNine(bitmap, center, dst, paint);
}
}
void SkNWayCanvas::onDrawImage(const SkImage* image, SkScalar left, SkScalar top,
const SkPaint* paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawImage(image, left, top, paint);
}
}
void SkNWayCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
const SkPaint* paint, SrcRectConstraint constraint) {
Iter iter(fList);
while (iter.next()) {
iter->legacy_drawImageRect(image, src, dst, paint, constraint);
}
}
void SkNWayCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawText(text, byteLength, x, y, paint);
}
}
void SkNWayCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawPosText(text, byteLength, pos, paint);
}
}
void SkNWayCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
SkScalar constY, const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawPosTextH(text, byteLength, xpos, constY, paint);
}
}
void SkNWayCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawTextOnPath(text, byteLength, path, matrix, paint);
}
}
void SkNWayCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint &paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawTextBlob(blob, x, y, paint);
}
}
void SkNWayCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
const SkPaint* paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawPicture(picture, matrix, paint);
}
}
void SkNWayCanvas::onDrawVertices(VertexMode vmode, int vertexCount,
const SkPoint vertices[], const SkPoint texs[],
const SkColor colors[], SkXfermode* xmode,
const uint16_t indices[], int indexCount,
const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawVertices(vmode, vertexCount, vertices, texs, colors, xmode,
indices, indexCount, paint);
}
}
void SkNWayCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
const SkPoint texCoords[4], SkXfermode* xmode,
const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawPatch(cubics, colors, texCoords, xmode, paint);
}
}
void SkNWayCanvas::onDrawAnnotation(const SkRect& rect, const char key[], SkData* data) {
Iter iter(fList);
while (iter.next()) {
iter->drawAnnotation(rect, key, data);
}
}
#ifdef SK_SUPPORT_LEGACY_DRAWFILTER
SkDrawFilter* SkNWayCanvas::setDrawFilter(SkDrawFilter* filter) {
Iter iter(fList);
while (iter.next()) {
iter->setDrawFilter(filter);
}
return this->INHERITED::setDrawFilter(filter);
}
#endif