blob: ed4539591b818fcc11873bc922433675edafb78d [file] [log] [blame]
/*
* 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 "include/utils/SkNWayCanvas.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPoint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkScalar.h"
#include "include/core/SkShader.h"
#include "include/core/SkTypes.h"
#include "include/private/base/SkTDArray.h"
#include "include/utils/SkNoDrawCanvas.h"
#include "src/core/SkCanvasPriv.h"
#include <algorithm>
#include <iterator>
#include <utility>
namespace sktext {
class GlyphRunList;
}
class SkData;
class SkDrawable;
class SkImage;
class SkPaint;
class SkPath;
class SkPicture;
class SkRRect;
class SkRegion;
class SkTextBlob;
class SkVertices;
enum class SkBlendMode;
enum class SkClipOp;
struct SkDrawShadowRec;
SkNWayCanvas::SkNWayCanvas(int width, int height) : INHERITED(width, height) {}
SkNWayCanvas::~SkNWayCanvas() {
this->removeAll();
}
void SkNWayCanvas::addCanvas(SkCanvas* canvas) {
if (!fList.empty()) {
// We are using the nway canvas as a wrapper for the originally added canvas, and the device
// on the nway may contradict calls for the device on this canvas. So, to add a second
// canvas, the devices on the first canvas, and the nway base device must be different.
SkASSERT(fList[0]->baseDevice() != this->baseDevice());
}
if (canvas) {
*fList.append() = canvas;
}
}
void SkNWayCanvas::removeCanvas(SkCanvas* canvas) {
auto found = std::find(fList.begin(), fList.end(), canvas);
if (found != fList.end()) {
fList.removeShuffle(std::distance(fList.begin(), found));
}
}
void SkNWayCanvas::removeAll() {
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.size()) {
fCanvas = fList[fIndex++];
return true;
}
return false;
}
SkCanvas* operator->() { return fCanvas; }
SkCanvas* get() const { 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;
}
bool SkNWayCanvas::onDoSaveBehind(const SkRect* bounds) {
Iter iter(fList);
while (iter.next()) {
SkCanvasPriv::SaveBehind(iter.get(), bounds);
}
this->INHERITED::onDoSaveBehind(bounds);
return false;
}
void SkNWayCanvas::willRestore() {
Iter iter(fList);
while (iter.next()) {
iter->restore();
}
this->INHERITED::willRestore();
}
void SkNWayCanvas::didConcat44(const SkM44& m) {
Iter iter(fList);
while (iter.next()) {
iter->concat(m);
}
}
void SkNWayCanvas::didSetM44(const SkM44& matrix) {
Iter iter(fList);
while (iter.next()) {
iter->setMatrix(matrix);
}
}
void SkNWayCanvas::didTranslate(SkScalar x, SkScalar y) {
Iter iter(fList);
while (iter.next()) {
iter->translate(x, y);
}
}
void SkNWayCanvas::didScale(SkScalar x, SkScalar y) {
Iter iter(fList);
while (iter.next()) {
iter->scale(x, y);
}
}
void SkNWayCanvas::onClipRect(const SkRect& rect, SkClipOp 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, SkClipOp 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, SkClipOp op, ClipEdgeStyle edgeStyle) {
Iter iter(fList);
while (iter.next()) {
iter->clipPath(path, op, kSoft_ClipEdgeStyle == edgeStyle);
}
this->INHERITED::onClipPath(path, op, edgeStyle);
}
void SkNWayCanvas::onClipShader(sk_sp<SkShader> sh, SkClipOp op) {
Iter iter(fList);
while (iter.next()) {
iter->clipShader(sh, op);
}
this->INHERITED::onClipShader(std::move(sh), op);
}
void SkNWayCanvas::onClipRegion(const SkRegion& deviceRgn, SkClipOp op) {
Iter iter(fList);
while (iter.next()) {
iter->clipRegion(deviceRgn, op);
}
this->INHERITED::onClipRegion(deviceRgn, op);
}
void SkNWayCanvas::onResetClip() {
Iter iter(fList);
while (iter.next()) {
SkCanvasPriv::ResetClip(iter.get());
}
this->INHERITED::onResetClip();
}
void SkNWayCanvas::onDrawPaint(const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawPaint(paint);
}
}
void SkNWayCanvas::onDrawBehind(const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
SkCanvasPriv::DrawBehind(iter.get(), 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::onDrawRegion(const SkRegion& region, const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawRegion(region, paint);
}
}
void SkNWayCanvas::onDrawOval(const SkRect& rect, const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawOval(rect, paint);
}
}
void SkNWayCanvas::onDrawArc(const SkRect& rect, SkScalar startAngle, SkScalar sweepAngle,
bool useCenter, const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawArc(rect, startAngle, sweepAngle, useCenter, 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::onDrawImage2(const SkImage* image, SkScalar left, SkScalar top,
const SkSamplingOptions& sampling, const SkPaint* paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawImage(image, left, top, sampling, paint);
}
}
void SkNWayCanvas::onDrawImageRect2(const SkImage* image, const SkRect& src, const SkRect& dst,
const SkSamplingOptions& sampling, const SkPaint* paint,
SrcRectConstraint constraint) {
Iter iter(fList);
while (iter.next()) {
iter->drawImageRect(image, src, dst, sampling, paint, constraint);
}
}
void SkNWayCanvas::onDrawImageLattice2(const SkImage* image, const Lattice& lattice,
const SkRect& dst, SkFilterMode filter,
const SkPaint* paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawImageLattice(image, lattice, dst, filter, paint);
}
}
void SkNWayCanvas::onDrawAtlas2(const SkImage* image, const SkRSXform xform[], const SkRect tex[],
const SkColor colors[], int count, SkBlendMode bmode,
const SkSamplingOptions& sampling, const SkRect* cull,
const SkPaint* paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawAtlas(image, xform, tex, colors, count, bmode, sampling, cull, paint);
}
}
void SkNWayCanvas::onDrawGlyphRunList(const sktext::GlyphRunList& list,
const SkPaint &paint) {
Iter iter(fList);
while (iter.next()) {
iter->onDrawGlyphRunList(list, 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);
}
}
#if SK_SUPPORT_GPU
void SkNWayCanvas::onDrawSlug(const sktext::gpu::Slug* slug) {
Iter iter(fList);
while (iter.next()) {
iter->drawSlug(slug);
}
}
#endif
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::onDrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) {
Iter iter(fList);
while (iter.next()) {
iter->drawDrawable(drawable, matrix);
}
}
void SkNWayCanvas::onDrawVerticesObject(const SkVertices* vertices,
SkBlendMode bmode, const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawVertices(vertices, bmode, paint);
}
}
void SkNWayCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
const SkPoint texCoords[4], SkBlendMode bmode,
const SkPaint& paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawPatch(cubics, colors, texCoords, bmode, paint);
}
}
void SkNWayCanvas::onDrawShadowRec(const SkPath& path, const SkDrawShadowRec& rec) {
Iter iter(fList);
while (iter.next()) {
iter->private_draw_shadow_rec(path, rec);
}
}
void SkNWayCanvas::onDrawAnnotation(const SkRect& rect, const char key[], SkData* data) {
Iter iter(fList);
while (iter.next()) {
iter->drawAnnotation(rect, key, data);
}
}
void SkNWayCanvas::onDrawEdgeAAQuad(const SkRect& rect, const SkPoint clip[4],
QuadAAFlags aa, const SkColor4f& color, SkBlendMode mode) {
Iter iter(fList);
while (iter.next()) {
iter->experimental_DrawEdgeAAQuad(rect, clip, aa, color, mode);
}
}
void SkNWayCanvas::onDrawEdgeAAImageSet2(const ImageSetEntry set[], int count,
const SkPoint dstClips[], const SkMatrix preViewMatrices[],
const SkSamplingOptions& sampling, const SkPaint* paint,
SrcRectConstraint constraint) {
Iter iter(fList);
while (iter.next()) {
iter->experimental_DrawEdgeAAImageSet(
set, count, dstClips, preViewMatrices, sampling, paint, constraint);
}
}
void SkNWayCanvas::onFlush() {
Iter iter(fList);
while (iter.next()) {
iter->flush();
}
}