| /* |
| * 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(); |
| } |
| } |