diff options
Diffstat (limited to 'gfx/skia/skia/src/utils/SkNWayCanvas.cpp')
| -rw-r--r-- | gfx/skia/skia/src/utils/SkNWayCanvas.cpp | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/utils/SkNWayCanvas.cpp b/gfx/skia/skia/src/utils/SkNWayCanvas.cpp new file mode 100644 index 0000000000..2b85fc1b54 --- /dev/null +++ b/gfx/skia/skia/src/utils/SkNWayCanvas.cpp @@ -0,0 +1,414 @@ +/* + * 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 defined(SK_GANESH) +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(); + } +} |