| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkClipStack.h" |
| #include "SkColorPriv.h" |
| #include "SkDebugCanvas.h" |
| #include "SkDrawCommand.h" |
| #include "SkDevice.h" |
| #include "SkPaintFilterCanvas.h" |
| #include "SkXfermode.h" |
| |
| namespace { |
| |
| class OverdrawXfermode : public SkXfermode { |
| public: |
| SkPMColor xferColor(SkPMColor src, SkPMColor dst) const override { |
| // This table encodes the color progression of the overdraw visualization |
| static const SkPMColor gTable[] = { |
| SkPackARGB32(0x00, 0x00, 0x00, 0x00), |
| SkPackARGB32(0xFF, 128, 158, 255), |
| SkPackARGB32(0xFF, 170, 185, 212), |
| SkPackARGB32(0xFF, 213, 195, 170), |
| SkPackARGB32(0xFF, 255, 192, 127), |
| SkPackARGB32(0xFF, 255, 185, 85), |
| SkPackARGB32(0xFF, 255, 165, 42), |
| SkPackARGB32(0xFF, 255, 135, 0), |
| SkPackARGB32(0xFF, 255, 95, 0), |
| SkPackARGB32(0xFF, 255, 50, 0), |
| SkPackARGB32(0xFF, 255, 0, 0) |
| }; |
| |
| |
| int idx; |
| if (SkColorGetR(dst) < 64) { // 0 |
| idx = 0; |
| } else if (SkColorGetG(dst) < 25) { // 10 |
| idx = 9; // cap at 9 for upcoming increment |
| } else if ((SkColorGetB(dst)+21)/42 > 0) { // 1-6 |
| idx = 7 - (SkColorGetB(dst)+21)/42; |
| } else { // 7-9 |
| idx = 10 - (SkColorGetG(dst)+22)/45; |
| } |
| ++idx; |
| SkASSERT(idx < (int)SK_ARRAY_COUNT(gTable)); |
| |
| return gTable[idx]; |
| } |
| |
| Factory getFactory() const override { return nullptr; } |
| #ifndef SK_IGNORE_TO_STRING |
| void toString(SkString* str) const override { str->set("OverdrawXfermode"); } |
| #endif |
| }; |
| |
| class DebugPaintFilterCanvas : public SkPaintFilterCanvas { |
| public: |
| DebugPaintFilterCanvas(int width, |
| int height, |
| bool overdrawViz, |
| bool overrideFilterQuality, |
| SkFilterQuality quality) |
| : INHERITED(width, height) |
| , fOverdrawXfermode(overdrawViz ? new OverdrawXfermode : nullptr) |
| , fOverrideFilterQuality(overrideFilterQuality) |
| , fFilterQuality(quality) {} |
| |
| protected: |
| bool onFilter(SkTCopyOnFirstWrite<SkPaint>* paint, Type) const override { |
| if (*paint) { |
| if (nullptr != fOverdrawXfermode.get()) { |
| paint->writable()->setAntiAlias(false); |
| paint->writable()->setXfermode(fOverdrawXfermode.get()); |
| } |
| |
| if (fOverrideFilterQuality) { |
| paint->writable()->setFilterQuality(fFilterQuality); |
| } |
| } |
| return true; |
| } |
| |
| void onDrawPicture(const SkPicture* picture, |
| const SkMatrix* matrix, |
| const SkPaint* paint) override { |
| // We need to replay the picture onto this canvas in order to filter its internal paints. |
| this->SkCanvas::onDrawPicture(picture, matrix, paint); |
| } |
| |
| private: |
| SkAutoTUnref<SkXfermode> fOverdrawXfermode; |
| |
| bool fOverrideFilterQuality; |
| SkFilterQuality fFilterQuality; |
| |
| typedef SkPaintFilterCanvas INHERITED; |
| }; |
| |
| } |
| |
| SkDebugCanvas::SkDebugCanvas(int width, int height) |
| : INHERITED(width, height) |
| , fPicture(nullptr) |
| , fFilter(false) |
| , fMegaVizMode(false) |
| , fOverdrawViz(false) |
| , fOverrideFilterQuality(false) |
| , fFilterQuality(kNone_SkFilterQuality) { |
| fUserMatrix.reset(); |
| |
| // SkPicturePlayback uses the base-class' quickReject calls to cull clipped |
| // operations. This can lead to problems in the debugger which expects all |
| // the operations in the captured skp to appear in the debug canvas. To |
| // circumvent this we create a wide open clip here (an empty clip rect |
| // is not sufficient). |
| // Internally, the SkRect passed to clipRect is converted to an SkIRect and |
| // rounded out. The following code creates a nearly maximal rect that will |
| // not get collapsed by the coming conversions (Due to precision loss the |
| // inset has to be surprisingly large). |
| SkIRect largeIRect = SkIRect::MakeLargest(); |
| largeIRect.inset(1024, 1024); |
| SkRect large = SkRect::Make(largeIRect); |
| #ifdef SK_DEBUG |
| SkASSERT(!large.roundOut().isEmpty()); |
| #endif |
| // call the base class' version to avoid adding a draw command |
| this->INHERITED::onClipRect(large, SkRegion::kReplace_Op, kHard_ClipEdgeStyle); |
| } |
| |
| SkDebugCanvas::~SkDebugCanvas() { |
| fCommandVector.deleteAll(); |
| } |
| |
| void SkDebugCanvas::addDrawCommand(SkDrawCommand* command) { |
| fCommandVector.push(command); |
| } |
| |
| void SkDebugCanvas::draw(SkCanvas* canvas) { |
| if (!fCommandVector.isEmpty()) { |
| this->drawTo(canvas, fCommandVector.count() - 1); |
| } |
| } |
| |
| void SkDebugCanvas::applyUserTransform(SkCanvas* canvas) { |
| canvas->concat(fUserMatrix); |
| } |
| |
| int SkDebugCanvas::getCommandAtPoint(int x, int y, int index) { |
| SkBitmap bitmap; |
| bitmap.allocPixels(SkImageInfo::MakeN32Premul(1, 1)); |
| |
| SkCanvas canvas(bitmap); |
| canvas.translate(SkIntToScalar(-x), SkIntToScalar(-y)); |
| this->applyUserTransform(&canvas); |
| |
| int layer = 0; |
| SkColor prev = bitmap.getColor(0,0); |
| for (int i = 0; i < index; i++) { |
| if (fCommandVector[i]->isVisible()) { |
| fCommandVector[i]->setUserMatrix(fUserMatrix); |
| fCommandVector[i]->execute(&canvas); |
| } |
| if (prev != bitmap.getColor(0,0)) { |
| layer = i; |
| } |
| prev = bitmap.getColor(0,0); |
| } |
| return layer; |
| } |
| |
| class SkDebugClipVisitor : public SkCanvas::ClipVisitor { |
| public: |
| SkDebugClipVisitor(SkCanvas* canvas) : fCanvas(canvas) {} |
| |
| void clipRect(const SkRect& r, SkRegion::Op, bool doAA) override { |
| SkPaint p; |
| p.setColor(SK_ColorRED); |
| p.setStyle(SkPaint::kStroke_Style); |
| p.setAntiAlias(doAA); |
| fCanvas->drawRect(r, p); |
| } |
| void clipRRect(const SkRRect& rr, SkRegion::Op, bool doAA) override { |
| SkPaint p; |
| p.setColor(SK_ColorGREEN); |
| p.setStyle(SkPaint::kStroke_Style); |
| p.setAntiAlias(doAA); |
| fCanvas->drawRRect(rr, p); |
| } |
| void clipPath(const SkPath& path, SkRegion::Op, bool doAA) override { |
| SkPaint p; |
| p.setColor(SK_ColorBLUE); |
| p.setStyle(SkPaint::kStroke_Style); |
| p.setAntiAlias(doAA); |
| fCanvas->drawPath(path, p); |
| } |
| |
| protected: |
| SkCanvas* fCanvas; |
| |
| private: |
| typedef SkCanvas::ClipVisitor INHERITED; |
| }; |
| |
| // set up the saveLayer commands so that the active ones |
| // return true in their 'active' method |
| void SkDebugCanvas::markActiveCommands(int index) { |
| fActiveLayers.rewind(); |
| |
| for (int i = 0; i < fCommandVector.count(); ++i) { |
| fCommandVector[i]->setActive(false); |
| } |
| |
| for (int i = 0; i < index; ++i) { |
| SkDrawCommand::Action result = fCommandVector[i]->action(); |
| if (SkDrawCommand::kPushLayer_Action == result) { |
| fActiveLayers.push(fCommandVector[i]); |
| } else if (SkDrawCommand::kPopLayer_Action == result) { |
| fActiveLayers.pop(); |
| } |
| } |
| |
| for (int i = 0; i < fActiveLayers.count(); ++i) { |
| fActiveLayers[i]->setActive(true); |
| } |
| |
| } |
| |
| void SkDebugCanvas::drawTo(SkCanvas* canvas, int index) { |
| SkASSERT(!fCommandVector.isEmpty()); |
| SkASSERT(index < fCommandVector.count()); |
| |
| int saveCount = canvas->save(); |
| |
| SkRect windowRect = SkRect::MakeWH(SkIntToScalar(canvas->getBaseLayerSize().width()), |
| SkIntToScalar(canvas->getBaseLayerSize().height())); |
| |
| bool pathOpsMode = getAllowSimplifyClip(); |
| canvas->setAllowSimplifyClip(pathOpsMode); |
| canvas->clear(SK_ColorTRANSPARENT); |
| canvas->resetMatrix(); |
| if (!windowRect.isEmpty()) { |
| canvas->clipRect(windowRect, SkRegion::kReplace_Op); |
| } |
| this->applyUserTransform(canvas); |
| |
| if (fPaintFilterCanvas) { |
| fPaintFilterCanvas->addCanvas(canvas); |
| canvas = fPaintFilterCanvas.get(); |
| } |
| |
| if (fMegaVizMode) { |
| this->markActiveCommands(index); |
| } |
| |
| for (int i = 0; i <= index; i++) { |
| if (i == index && fFilter) { |
| canvas->clear(0xAAFFFFFF); |
| } |
| |
| if (fCommandVector[i]->isVisible()) { |
| if (fMegaVizMode && fCommandVector[i]->active()) { |
| // "active" commands execute their visualization behaviors: |
| // All active saveLayers get replaced with saves so all draws go to the |
| // visible canvas. |
| // All active culls draw their cull box |
| fCommandVector[i]->vizExecute(canvas); |
| } else { |
| fCommandVector[i]->setUserMatrix(fUserMatrix); |
| fCommandVector[i]->execute(canvas); |
| } |
| } |
| } |
| |
| if (fMegaVizMode) { |
| canvas->save(); |
| // nuke the CTM |
| canvas->resetMatrix(); |
| // turn off clipping |
| if (!windowRect.isEmpty()) { |
| SkRect r = windowRect; |
| r.outset(SK_Scalar1, SK_Scalar1); |
| canvas->clipRect(r, SkRegion::kReplace_Op); |
| } |
| // visualize existing clips |
| SkDebugClipVisitor visitor(canvas); |
| |
| canvas->replayClips(&visitor); |
| |
| canvas->restore(); |
| } |
| if (pathOpsMode) { |
| this->resetClipStackData(); |
| const SkClipStack* clipStack = canvas->getClipStack(); |
| SkClipStack::Iter iter(*clipStack, SkClipStack::Iter::kBottom_IterStart); |
| const SkClipStack::Element* element; |
| SkPath devPath; |
| while ((element = iter.next())) { |
| SkClipStack::Element::Type type = element->getType(); |
| SkPath operand; |
| if (type != SkClipStack::Element::kEmpty_Type) { |
| element->asPath(&operand); |
| } |
| SkRegion::Op elementOp = element->getOp(); |
| this->addClipStackData(devPath, operand, elementOp); |
| if (elementOp == SkRegion::kReplace_Op) { |
| devPath = operand; |
| } else { |
| Op(devPath, operand, (SkPathOp) elementOp, &devPath); |
| } |
| } |
| this->lastClipStackData(devPath); |
| } |
| fMatrix = canvas->getTotalMatrix(); |
| if (!canvas->getClipDeviceBounds(&fClip)) { |
| fClip.setEmpty(); |
| } |
| |
| canvas->restoreToCount(saveCount); |
| |
| if (fPaintFilterCanvas) { |
| fPaintFilterCanvas->removeAll(); |
| } |
| } |
| |
| void SkDebugCanvas::deleteDrawCommandAt(int index) { |
| SkASSERT(index < fCommandVector.count()); |
| delete fCommandVector[index]; |
| fCommandVector.remove(index); |
| } |
| |
| SkDrawCommand* SkDebugCanvas::getDrawCommandAt(int index) { |
| SkASSERT(index < fCommandVector.count()); |
| return fCommandVector[index]; |
| } |
| |
| void SkDebugCanvas::setDrawCommandAt(int index, SkDrawCommand* command) { |
| SkASSERT(index < fCommandVector.count()); |
| delete fCommandVector[index]; |
| fCommandVector[index] = command; |
| } |
| |
| const SkTDArray<SkString*>* SkDebugCanvas::getCommandInfo(int index) const { |
| SkASSERT(index < fCommandVector.count()); |
| return fCommandVector[index]->Info(); |
| } |
| |
| bool SkDebugCanvas::getDrawCommandVisibilityAt(int index) { |
| SkASSERT(index < fCommandVector.count()); |
| return fCommandVector[index]->isVisible(); |
| } |
| |
| const SkTDArray <SkDrawCommand*>& SkDebugCanvas::getDrawCommands() const { |
| return fCommandVector; |
| } |
| |
| SkTDArray <SkDrawCommand*>& SkDebugCanvas::getDrawCommands() { |
| return fCommandVector; |
| } |
| |
| void SkDebugCanvas::updatePaintFilterCanvas() { |
| if (!fOverdrawViz && !fOverrideFilterQuality) { |
| fPaintFilterCanvas.reset(nullptr); |
| return; |
| } |
| |
| const SkImageInfo info = this->imageInfo(); |
| fPaintFilterCanvas.reset(new DebugPaintFilterCanvas(info.width(), info.height(), fOverdrawViz, |
| fOverrideFilterQuality, fFilterQuality)); |
| } |
| |
| void SkDebugCanvas::setOverdrawViz(bool overdrawViz) { |
| if (fOverdrawViz == overdrawViz) { |
| return; |
| } |
| |
| fOverdrawViz = overdrawViz; |
| this->updatePaintFilterCanvas(); |
| } |
| |
| void SkDebugCanvas::overrideTexFiltering(bool overrideTexFiltering, SkFilterQuality quality) { |
| if (fOverrideFilterQuality == overrideTexFiltering && fFilterQuality == quality) { |
| return; |
| } |
| |
| fOverrideFilterQuality = overrideTexFiltering; |
| fFilterQuality = quality; |
| this->updatePaintFilterCanvas(); |
| } |
| |
| void SkDebugCanvas::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
| this->addDrawCommand(new SkClipPathCommand(path, op, kSoft_ClipEdgeStyle == edgeStyle)); |
| } |
| |
| void SkDebugCanvas::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
| this->addDrawCommand(new SkClipRectCommand(rect, op, kSoft_ClipEdgeStyle == edgeStyle)); |
| } |
| |
| void SkDebugCanvas::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
| this->addDrawCommand(new SkClipRRectCommand(rrect, op, kSoft_ClipEdgeStyle == edgeStyle)); |
| } |
| |
| void SkDebugCanvas::onClipRegion(const SkRegion& region, SkRegion::Op op) { |
| this->addDrawCommand(new SkClipRegionCommand(region, op)); |
| } |
| |
| void SkDebugCanvas::didConcat(const SkMatrix& matrix) { |
| this->addDrawCommand(new SkConcatCommand(matrix)); |
| this->INHERITED::didConcat(matrix); |
| } |
| |
| void SkDebugCanvas::onDrawBitmap(const SkBitmap& bitmap, SkScalar left, |
| SkScalar top, const SkPaint* paint) { |
| this->addDrawCommand(new SkDrawBitmapCommand(bitmap, left, top, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst, |
| const SkPaint* paint, SrcRectConstraint constraint) { |
| this->addDrawCommand(new SkDrawBitmapRectCommand(bitmap, src, dst, paint, |
| (SrcRectConstraint)constraint)); |
| } |
| |
| void SkDebugCanvas::onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, |
| const SkRect& dst, const SkPaint* paint) { |
| this->addDrawCommand(new SkDrawBitmapNineCommand(bitmap, center, dst, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawImage(const SkImage* image, SkScalar left, SkScalar top, |
| const SkPaint* paint) { |
| this->addDrawCommand(new SkDrawImageCommand(image, left, top, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst, |
| const SkPaint* paint, SrcRectConstraint constraint) { |
| this->addDrawCommand(new SkDrawImageRectCommand(image, src, dst, paint, constraint)); |
| } |
| |
| void SkDebugCanvas::onDrawOval(const SkRect& oval, const SkPaint& paint) { |
| this->addDrawCommand(new SkDrawOvalCommand(oval, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawPaint(const SkPaint& paint) { |
| this->addDrawCommand(new SkDrawPaintCommand(paint)); |
| } |
| |
| void SkDebugCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) { |
| this->addDrawCommand(new SkDrawPathCommand(path, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawPicture(const SkPicture* picture, |
| const SkMatrix* matrix, |
| const SkPaint* paint) { |
| this->addDrawCommand(new SkBeginDrawPictureCommand(picture, matrix, paint)); |
| this->INHERITED::onDrawPicture(picture, matrix, paint); |
| this->addDrawCommand(new SkEndDrawPictureCommand(SkToBool(matrix) || SkToBool(paint))); |
| } |
| |
| void SkDebugCanvas::onDrawPoints(PointMode mode, size_t count, |
| const SkPoint pts[], const SkPaint& paint) { |
| this->addDrawCommand(new SkDrawPointsCommand(mode, count, pts, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
| const SkPaint& paint) { |
| this->addDrawCommand(new SkDrawPosTextCommand(text, byteLength, pos, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
| SkScalar constY, const SkPaint& paint) { |
| this->addDrawCommand( |
| new SkDrawPosTextHCommand(text, byteLength, xpos, constY, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawRect(const SkRect& rect, const SkPaint& paint) { |
| // NOTE(chudy): Messing up when renamed to DrawRect... Why? |
| addDrawCommand(new SkDrawRectCommand(rect, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) { |
| this->addDrawCommand(new SkDrawRRectCommand(rrect, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, |
| const SkPaint& paint) { |
| this->addDrawCommand(new SkDrawDRRectCommand(outer, inner, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
| const SkPaint& paint) { |
| this->addDrawCommand(new SkDrawTextCommand(text, byteLength, x, y, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| const SkMatrix* matrix, const SkPaint& paint) { |
| this->addDrawCommand( |
| new SkDrawTextOnPathCommand(text, byteLength, path, matrix, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| const SkPaint& paint) { |
| this->addDrawCommand(new SkDrawTextBlobCommand(blob, x, y, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], |
| const SkPoint texCoords[4], SkXfermode* xmode, |
| const SkPaint& paint) { |
| this->addDrawCommand(new SkDrawPatchCommand(cubics, colors, texCoords, xmode, paint)); |
| } |
| |
| void SkDebugCanvas::onDrawVertices(VertexMode vmode, int vertexCount, const SkPoint vertices[], |
| const SkPoint texs[], const SkColor colors[], |
| SkXfermode*, const uint16_t indices[], int indexCount, |
| const SkPaint& paint) { |
| this->addDrawCommand(new SkDrawVerticesCommand(vmode, vertexCount, vertices, |
| texs, colors, nullptr, indices, indexCount, paint)); |
| } |
| |
| void SkDebugCanvas::willRestore() { |
| this->addDrawCommand(new SkRestoreCommand()); |
| this->INHERITED::willRestore(); |
| } |
| |
| void SkDebugCanvas::willSave() { |
| this->addDrawCommand(new SkSaveCommand()); |
| this->INHERITED::willSave(); |
| } |
| |
| SkCanvas::SaveLayerStrategy SkDebugCanvas::getSaveLayerStrategy(const SaveLayerRec& rec) { |
| this->addDrawCommand(new SkSaveLayerCommand(rec)); |
| (void)this->INHERITED::getSaveLayerStrategy(rec); |
| // No need for a full layer. |
| return kNoLayer_SaveLayerStrategy; |
| } |
| |
| void SkDebugCanvas::didSetMatrix(const SkMatrix& matrix) { |
| this->addDrawCommand(new SkSetMatrixCommand(matrix)); |
| this->INHERITED::didSetMatrix(matrix); |
| } |
| |
| void SkDebugCanvas::toggleCommand(int index, bool toggle) { |
| SkASSERT(index < fCommandVector.count()); |
| fCommandVector[index]->setVisible(toggle); |
| } |
| |
| static const char* gFillTypeStrs[] = { |
| "kWinding_FillType", |
| "kEvenOdd_FillType", |
| "kInverseWinding_FillType", |
| "kInverseEvenOdd_FillType" |
| }; |
| |
| static const char* gOpStrs[] = { |
| "kDifference_PathOp", |
| "kIntersect_PathOp", |
| "kUnion_PathOp", |
| "kXor_PathOp", |
| "kReverseDifference_PathOp", |
| }; |
| |
| static const char kHTML4SpaceIndent[] = " "; |
| |
| void SkDebugCanvas::outputScalar(SkScalar num) { |
| if (num == (int) num) { |
| fClipStackData.appendf("%d", (int) num); |
| } else { |
| SkString str; |
| str.printf("%1.9g", num); |
| int width = (int) str.size(); |
| const char* cStr = str.c_str(); |
| while (cStr[width - 1] == '0') { |
| --width; |
| } |
| str.resize(width); |
| fClipStackData.appendf("%sf", str.c_str()); |
| } |
| } |
| |
| void SkDebugCanvas::outputPointsCommon(const SkPoint* pts, int count) { |
| for (int index = 0; index < count; ++index) { |
| this->outputScalar(pts[index].fX); |
| fClipStackData.appendf(", "); |
| this->outputScalar(pts[index].fY); |
| if (index + 1 < count) { |
| fClipStackData.appendf(", "); |
| } |
| } |
| } |
| |
| void SkDebugCanvas::outputPoints(const SkPoint* pts, int count) { |
| this->outputPointsCommon(pts, count); |
| fClipStackData.appendf(");<br>"); |
| } |
| |
| void SkDebugCanvas::outputConicPoints(const SkPoint* pts, SkScalar weight) { |
| this->outputPointsCommon(pts, 2); |
| fClipStackData.appendf(", "); |
| this->outputScalar(weight); |
| fClipStackData.appendf(");<br>"); |
| } |
| |
| void SkDebugCanvas::addPathData(const SkPath& path, const char* pathName) { |
| SkPath::RawIter iter(path); |
| SkPath::FillType fillType = path.getFillType(); |
| fClipStackData.appendf("%sSkPath %s;<br>", kHTML4SpaceIndent, pathName); |
| fClipStackData.appendf("%s%s.setFillType(SkPath::%s);<br>", kHTML4SpaceIndent, pathName, |
| gFillTypeStrs[fillType]); |
| iter.setPath(path); |
| uint8_t verb; |
| SkPoint pts[4]; |
| while ((verb = iter.next(pts)) != SkPath::kDone_Verb) { |
| switch (verb) { |
| case SkPath::kMove_Verb: |
| fClipStackData.appendf("%s%s.moveTo(", kHTML4SpaceIndent, pathName); |
| this->outputPoints(&pts[0], 1); |
| continue; |
| case SkPath::kLine_Verb: |
| fClipStackData.appendf("%s%s.lineTo(", kHTML4SpaceIndent, pathName); |
| this->outputPoints(&pts[1], 1); |
| break; |
| case SkPath::kQuad_Verb: |
| fClipStackData.appendf("%s%s.quadTo(", kHTML4SpaceIndent, pathName); |
| this->outputPoints(&pts[1], 2); |
| break; |
| case SkPath::kConic_Verb: |
| fClipStackData.appendf("%s%s.conicTo(", kHTML4SpaceIndent, pathName); |
| this->outputConicPoints(&pts[1], iter.conicWeight()); |
| break; |
| case SkPath::kCubic_Verb: |
| fClipStackData.appendf("%s%s.cubicTo(", kHTML4SpaceIndent, pathName); |
| this->outputPoints(&pts[1], 3); |
| break; |
| case SkPath::kClose_Verb: |
| fClipStackData.appendf("%s%s.close();<br>", kHTML4SpaceIndent, pathName); |
| break; |
| default: |
| SkDEBUGFAIL("bad verb"); |
| return; |
| } |
| } |
| } |
| |
| void SkDebugCanvas::addClipStackData(const SkPath& devPath, const SkPath& operand, |
| SkRegion::Op elementOp) { |
| if (elementOp == SkRegion::kReplace_Op) { |
| if (!lastClipStackData(devPath)) { |
| fSaveDevPath = operand; |
| } |
| fCalledAddStackData = false; |
| } else { |
| fClipStackData.appendf("<br>static void test(skiatest::Reporter* reporter," |
| " const char* filename) {<br>"); |
| addPathData(fCalledAddStackData ? devPath : fSaveDevPath, "path"); |
| addPathData(operand, "pathB"); |
| fClipStackData.appendf("%stestPathOp(reporter, path, pathB, %s, filename);<br>", |
| kHTML4SpaceIndent, gOpStrs[elementOp]); |
| fClipStackData.appendf("}<br>"); |
| fCalledAddStackData = true; |
| } |
| } |
| |
| bool SkDebugCanvas::lastClipStackData(const SkPath& devPath) { |
| if (fCalledAddStackData) { |
| fClipStackData.appendf("<br>"); |
| addPathData(devPath, "pathOut"); |
| return true; |
| } |
| return false; |
| } |