| |
| /* |
| * 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 "SkBitmapHeap.h" |
| #include "SkCanvas.h" |
| #include "SkPaint.h" |
| #include "SkGPipe.h" |
| #include "SkGPipePriv.h" |
| #include "SkReader32.h" |
| #include "SkStream.h" |
| |
| #include "SkColorFilter.h" |
| #include "SkDrawLooper.h" |
| #include "SkMaskFilter.h" |
| #include "SkOrderedReadBuffer.h" |
| #include "SkPathEffect.h" |
| #include "SkRasterizer.h" |
| #include "SkRRect.h" |
| #include "SkShader.h" |
| #include "SkTypeface.h" |
| #include "SkXfermode.h" |
| |
| static void set_paintflat(SkPaint* paint, SkFlattenable* obj, unsigned paintFlat) { |
| SkASSERT(paintFlat < kCount_PaintFlats); |
| switch (paintFlat) { |
| case kColorFilter_PaintFlat: |
| paint->setColorFilter((SkColorFilter*)obj); |
| break; |
| case kDrawLooper_PaintFlat: |
| paint->setLooper((SkDrawLooper*)obj); |
| break; |
| case kMaskFilter_PaintFlat: |
| paint->setMaskFilter((SkMaskFilter*)obj); |
| break; |
| case kPathEffect_PaintFlat: |
| paint->setPathEffect((SkPathEffect*)obj); |
| break; |
| case kRasterizer_PaintFlat: |
| paint->setRasterizer((SkRasterizer*)obj); |
| break; |
| case kShader_PaintFlat: |
| paint->setShader((SkShader*)obj); |
| break; |
| case kImageFilter_PaintFlat: |
| paint->setImageFilter((SkImageFilter*)obj); |
| break; |
| case kXfermode_PaintFlat: |
| paint->setXfermode((SkXfermode*)obj); |
| break; |
| default: |
| SkDEBUGFAIL("never gets here"); |
| } |
| } |
| |
| template <typename T> class SkRefCntTDArray : public SkTDArray<T> { |
| public: |
| ~SkRefCntTDArray() { this->unrefAll(); } |
| }; |
| |
| class SkGPipeState : public SkBitmapHeapReader { |
| public: |
| SkGPipeState(); |
| ~SkGPipeState(); |
| |
| void setSilent(bool silent) { |
| fSilent = silent; |
| } |
| |
| bool shouldDraw() { |
| return !fSilent; |
| } |
| |
| void setFlags(unsigned flags) { |
| if (fFlags != flags) { |
| fFlags = flags; |
| this->updateReader(); |
| } |
| } |
| |
| unsigned getFlags() const { |
| return fFlags; |
| } |
| |
| void setReader(SkOrderedReadBuffer* reader) { |
| fReader = reader; |
| this->updateReader(); |
| } |
| |
| const SkPaint& paint() const { return fPaint; } |
| SkPaint* editPaint() { return &fPaint; } |
| |
| SkFlattenable* getFlat(unsigned index) const { |
| if (0 == index) { |
| return NULL; |
| } |
| return fFlatArray[index - 1]; |
| } |
| |
| void defFlattenable(PaintFlats pf, int index) { |
| index--; |
| SkFlattenable* obj = fReader->readFlattenable(); |
| if (fFlatArray.count() == index) { |
| *fFlatArray.append() = obj; |
| } else { |
| SkSafeUnref(fFlatArray[index]); |
| fFlatArray[index] = obj; |
| } |
| } |
| |
| void defFactory(const char* name) { |
| SkFlattenable::Factory factory = SkFlattenable::NameToFactory(name); |
| if (factory) { |
| SkASSERT(fFactoryArray.find(factory) < 0); |
| *fFactoryArray.append() = factory; |
| } |
| } |
| |
| void addBitmap(int index) { |
| SkBitmap* bm; |
| if(fBitmaps.count() == index) { |
| bm = SkNEW(SkBitmap); |
| *fBitmaps.append() = bm; |
| } else { |
| bm = fBitmaps[index]; |
| } |
| bm->unflatten(*fReader); |
| } |
| |
| /** |
| * Override of SkBitmapHeapReader, so that SkOrderedReadBuffer can use |
| * these SkBitmaps for bitmap shaders. |
| */ |
| virtual SkBitmap* getBitmap(int32_t index) const SK_OVERRIDE { |
| return fBitmaps[index]; |
| } |
| |
| /** |
| * Needed to be a non-abstract subclass of SkBitmapHeapReader. |
| */ |
| virtual void releaseRef(int32_t) SK_OVERRIDE {} |
| |
| void setSharedHeap(SkBitmapHeap* heap) { |
| SkASSERT(!shouldFlattenBitmaps(fFlags) || NULL == heap); |
| SkRefCnt_SafeAssign(fSharedHeap, heap); |
| this->updateReader(); |
| } |
| |
| SkBitmapHeap* getSharedHeap() const { |
| return fSharedHeap; |
| } |
| |
| void addTypeface() { |
| size_t size = fReader->read32(); |
| const void* data = fReader->skip(SkAlign4(size)); |
| SkMemoryStream stream(data, size, false); |
| *fTypefaces.append() = SkTypeface::Deserialize(&stream); |
| } |
| |
| void setTypeface(SkPaint* paint, unsigned id) { |
| paint->setTypeface(id ? fTypefaces[id - 1] : NULL); |
| } |
| |
| private: |
| void updateReader() { |
| if (NULL == fReader) { |
| return; |
| } |
| bool crossProcess = SkToBool(fFlags & SkGPipeWriter::kCrossProcess_Flag); |
| fReader->setFlags(SkSetClearMask(fReader->getFlags(), crossProcess, |
| SkFlattenableReadBuffer::kCrossProcess_Flag)); |
| if (crossProcess) { |
| fReader->setFactoryArray(&fFactoryArray); |
| } else { |
| fReader->setFactoryArray(NULL); |
| } |
| |
| if (shouldFlattenBitmaps(fFlags)) { |
| fReader->setBitmapStorage(this); |
| } else { |
| fReader->setBitmapStorage(fSharedHeap); |
| } |
| } |
| SkOrderedReadBuffer* fReader; |
| SkPaint fPaint; |
| SkTDArray<SkFlattenable*> fFlatArray; |
| SkTDArray<SkTypeface*> fTypefaces; |
| SkTDArray<SkFlattenable::Factory> fFactoryArray; |
| SkTDArray<SkBitmap*> fBitmaps; |
| bool fSilent; |
| // Only used when sharing bitmaps with the writer. |
| SkBitmapHeap* fSharedHeap; |
| unsigned fFlags; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| template <typename T> const T* skip(SkReader32* reader, int count = 1) { |
| SkASSERT(count >= 0); |
| size_t size = sizeof(T) * count; |
| SkASSERT(SkAlign4(size) == size); |
| return reinterpret_cast<const T*>(reader->skip(size)); |
| } |
| |
| template <typename T> const T* skipAlign(SkReader32* reader, int count = 1) { |
| SkASSERT(count >= 0); |
| size_t size = SkAlign4(sizeof(T) * count); |
| return reinterpret_cast<const T*>(reader->skip(size)); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static void clipPath_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| SkPath path; |
| reader->readPath(&path); |
| bool doAA = SkToBool(DrawOp_unpackFlags(op32) & kClip_HasAntiAlias_DrawOpFlag); |
| canvas->clipPath(path, (SkRegion::Op)DrawOp_unpackData(op32), doAA); |
| } |
| |
| static void clipRegion_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| SkRegion rgn; |
| reader->readRegion(&rgn); |
| canvas->clipRegion(rgn, (SkRegion::Op)DrawOp_unpackData(op32)); |
| } |
| |
| static void clipRect_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| const SkRect* rect = skip<SkRect>(reader); |
| bool doAA = SkToBool(DrawOp_unpackFlags(op32) & kClip_HasAntiAlias_DrawOpFlag); |
| canvas->clipRect(*rect, (SkRegion::Op)DrawOp_unpackData(op32), doAA); |
| } |
| |
| static void clipRRect_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| SkRRect rrect; |
| reader->readRRect(&rrect); |
| bool doAA = SkToBool(DrawOp_unpackFlags(op32) & kClip_HasAntiAlias_DrawOpFlag); |
| canvas->clipRRect(rrect, (SkRegion::Op)DrawOp_unpackData(op32), doAA); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static void setMatrix_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| SkMatrix matrix; |
| reader->readMatrix(&matrix); |
| canvas->setMatrix(matrix); |
| } |
| |
| static void concat_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| SkMatrix matrix; |
| reader->readMatrix(&matrix); |
| canvas->concat(matrix); |
| } |
| |
| static void scale_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| const SkScalar* param = skip<SkScalar>(reader, 2); |
| canvas->scale(param[0], param[1]); |
| } |
| |
| static void skew_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| const SkScalar* param = skip<SkScalar>(reader, 2); |
| canvas->skew(param[0], param[1]); |
| } |
| |
| static void rotate_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| canvas->rotate(reader->readScalar()); |
| } |
| |
| static void translate_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| const SkScalar* param = skip<SkScalar>(reader, 2); |
| canvas->translate(param[0], param[1]); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static void save_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| canvas->save((SkCanvas::SaveFlags)DrawOp_unpackData(op32)); |
| } |
| |
| static void saveLayer_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| unsigned flags = DrawOp_unpackFlags(op32); |
| SkCanvas::SaveFlags saveFlags = (SkCanvas::SaveFlags)DrawOp_unpackData(op32); |
| |
| const SkRect* bounds = NULL; |
| if (flags & kSaveLayer_HasBounds_DrawOpFlag) { |
| bounds = skip<SkRect>(reader); |
| } |
| const SkPaint* paint = NULL; |
| if (flags & kSaveLayer_HasPaint_DrawOpFlag) { |
| paint = &state->paint(); |
| } |
| canvas->saveLayer(bounds, paint, saveFlags); |
| } |
| |
| static void restore_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| canvas->restore(); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static void drawClear_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| SkColor color = 0; |
| if (DrawOp_unpackFlags(op32) & kClear_HasColor_DrawOpFlag) { |
| color = reader->readU32(); |
| } |
| canvas->clear(color); |
| } |
| |
| static void drawPaint_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| if (state->shouldDraw()) { |
| canvas->drawPaint(state->paint()); |
| } |
| } |
| |
| static void drawPoints_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| SkCanvas::PointMode mode = (SkCanvas::PointMode)DrawOp_unpackFlags(op32); |
| size_t count = reader->readU32(); |
| const SkPoint* pts = skip<SkPoint>(reader, count); |
| if (state->shouldDraw()) { |
| canvas->drawPoints(mode, count, pts, state->paint()); |
| } |
| } |
| |
| static void drawOval_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| const SkRect* rect = skip<SkRect>(reader); |
| if (state->shouldDraw()) { |
| canvas->drawOval(*rect, state->paint()); |
| } |
| } |
| |
| static void drawRect_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| const SkRect* rect = skip<SkRect>(reader); |
| if (state->shouldDraw()) { |
| canvas->drawRect(*rect, state->paint()); |
| } |
| } |
| |
| static void drawRRect_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| SkRRect rrect; |
| reader->readRRect(&rrect); |
| if (state->shouldDraw()) { |
| canvas->drawRRect(rrect, state->paint()); |
| } |
| } |
| |
| static void drawPath_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| SkPath path; |
| reader->readPath(&path); |
| if (state->shouldDraw()) { |
| canvas->drawPath(path, state->paint()); |
| } |
| } |
| |
| static void drawVertices_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| unsigned flags = DrawOp_unpackFlags(op32); |
| |
| SkCanvas::VertexMode mode = (SkCanvas::VertexMode)reader->readU32(); |
| int vertexCount = reader->readU32(); |
| const SkPoint* verts = skip<SkPoint>(reader, vertexCount); |
| |
| const SkPoint* texs = NULL; |
| if (flags & kDrawVertices_HasTexs_DrawOpFlag) { |
| texs = skip<SkPoint>(reader, vertexCount); |
| } |
| |
| const SkColor* colors = NULL; |
| if (flags & kDrawVertices_HasColors_DrawOpFlag) { |
| colors = skip<SkColor>(reader, vertexCount); |
| } |
| |
| // TODO: flatten/unflatten xfermodes |
| SkXfermode* xfer = NULL; |
| |
| int indexCount = 0; |
| const uint16_t* indices = NULL; |
| if (flags & kDrawVertices_HasIndices_DrawOpFlag) { |
| indexCount = reader->readU32(); |
| indices = skipAlign<uint16_t>(reader, indexCount); |
| } |
| if (state->shouldDraw()) { |
| canvas->drawVertices(mode, vertexCount, verts, texs, colors, xfer, |
| indices, indexCount, state->paint()); |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static void drawText_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| size_t len = reader->readU32(); |
| const void* text = reader->skip(SkAlign4(len)); |
| const SkScalar* xy = skip<SkScalar>(reader, 2); |
| if (state->shouldDraw()) { |
| canvas->drawText(text, len, xy[0], xy[1], state->paint()); |
| } |
| } |
| |
| static void drawPosText_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| size_t len = reader->readU32(); |
| const void* text = reader->skip(SkAlign4(len)); |
| size_t posCount = reader->readU32(); // compute by our writer |
| const SkPoint* pos = skip<SkPoint>(reader, posCount); |
| if (state->shouldDraw()) { |
| canvas->drawPosText(text, len, pos, state->paint()); |
| } |
| } |
| |
| static void drawPosTextH_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| size_t len = reader->readU32(); |
| const void* text = reader->skip(SkAlign4(len)); |
| size_t posCount = reader->readU32(); // compute by our writer |
| const SkScalar* xpos = skip<SkScalar>(reader, posCount); |
| SkScalar constY = reader->readScalar(); |
| if (state->shouldDraw()) { |
| canvas->drawPosTextH(text, len, xpos, constY, state->paint()); |
| } |
| } |
| |
| static void drawTextOnPath_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| size_t len = reader->readU32(); |
| const void* text = reader->skip(SkAlign4(len)); |
| |
| SkPath path; |
| reader->readPath(&path); |
| |
| SkMatrix matrixStorage; |
| const SkMatrix* matrix = NULL; |
| if (DrawOp_unpackFlags(op32) & kDrawTextOnPath_HasMatrix_DrawOpFlag) { |
| reader->readMatrix(&matrixStorage); |
| matrix = &matrixStorage; |
| } |
| if (state->shouldDraw()) { |
| canvas->drawTextOnPath(text, len, path, matrix, state->paint()); |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| class BitmapHolder : SkNoncopyable { |
| public: |
| BitmapHolder(SkReader32* reader, uint32_t op32, SkGPipeState* state); |
| ~BitmapHolder() { |
| if (fHeapEntry != NULL) { |
| fHeapEntry->releaseRef(); |
| } |
| } |
| const SkBitmap* getBitmap() { |
| return fBitmap; |
| } |
| private: |
| SkBitmapHeapEntry* fHeapEntry; |
| const SkBitmap* fBitmap; |
| SkBitmap fBitmapStorage; |
| }; |
| |
| BitmapHolder::BitmapHolder(SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| const unsigned flags = state->getFlags(); |
| const unsigned index = DrawOp_unpackData(op32); |
| if (shouldFlattenBitmaps(flags)) { |
| fHeapEntry = NULL; |
| fBitmap = state->getBitmap(index); |
| } else { |
| SkBitmapHeapEntry* entry = state->getSharedHeap()->getEntry(index); |
| if (SkToBool(flags & SkGPipeWriter::kSimultaneousReaders_Flag)) { |
| // Make a shallow copy for thread safety. Each thread will point to the same SkPixelRef, |
| // which is thread safe. |
| fBitmapStorage = *entry->getBitmap(); |
| fBitmap = &fBitmapStorage; |
| // Release the ref on the bitmap now, since we made our own copy. |
| entry->releaseRef(); |
| fHeapEntry = NULL; |
| } else { |
| SkASSERT(!shouldFlattenBitmaps(flags)); |
| SkASSERT(!SkToBool(flags & SkGPipeWriter::kSimultaneousReaders_Flag)); |
| fHeapEntry = entry; |
| fBitmap = fHeapEntry->getBitmap(); |
| } |
| } |
| } |
| |
| static void drawBitmap_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| BitmapHolder holder(reader, op32, state); |
| bool hasPaint = SkToBool(DrawOp_unpackFlags(op32) & kDrawBitmap_HasPaint_DrawOpFlag); |
| SkScalar left = reader->readScalar(); |
| SkScalar top = reader->readScalar(); |
| const SkBitmap* bitmap = holder.getBitmap(); |
| if (state->shouldDraw()) { |
| canvas->drawBitmap(*bitmap, left, top, hasPaint ? &state->paint() : NULL); |
| } |
| } |
| |
| static void drawBitmapMatrix_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| BitmapHolder holder(reader, op32, state); |
| bool hasPaint = SkToBool(DrawOp_unpackFlags(op32) & kDrawBitmap_HasPaint_DrawOpFlag); |
| SkMatrix matrix; |
| reader->readMatrix(&matrix); |
| const SkBitmap* bitmap = holder.getBitmap(); |
| if (state->shouldDraw()) { |
| canvas->drawBitmapMatrix(*bitmap, matrix, |
| hasPaint ? &state->paint() : NULL); |
| } |
| } |
| |
| static void drawBitmapNine_rp(SkCanvas* canvas, SkReader32* reader, |
| uint32_t op32, SkGPipeState* state) { |
| BitmapHolder holder(reader, op32, state); |
| bool hasPaint = SkToBool(DrawOp_unpackFlags(op32) & kDrawBitmap_HasPaint_DrawOpFlag); |
| const SkIRect* center = skip<SkIRect>(reader); |
| const SkRect* dst = skip<SkRect>(reader); |
| const SkBitmap* bitmap = holder.getBitmap(); |
| if (state->shouldDraw()) { |
| canvas->drawBitmapNine(*bitmap, *center, *dst, |
| hasPaint ? &state->paint() : NULL); |
| } |
| } |
| |
| static void drawBitmapRect_rp(SkCanvas* canvas, SkReader32* reader, |
| uint32_t op32, SkGPipeState* state) { |
| BitmapHolder holder(reader, op32, state); |
| unsigned flags = DrawOp_unpackFlags(op32); |
| bool hasPaint = SkToBool(flags & kDrawBitmap_HasPaint_DrawOpFlag); |
| bool hasSrc = SkToBool(flags & kDrawBitmap_HasSrcRect_DrawOpFlag); |
| const SkRect* src; |
| if (hasSrc) { |
| src = skip<SkRect>(reader); |
| } else { |
| src = NULL; |
| } |
| const SkRect* dst = skip<SkRect>(reader); |
| const SkBitmap* bitmap = holder.getBitmap(); |
| if (state->shouldDraw()) { |
| canvas->drawBitmapRectToRect(*bitmap, src, *dst, hasPaint ? &state->paint() : NULL); |
| } |
| } |
| |
| static void drawSprite_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| BitmapHolder holder(reader, op32, state); |
| bool hasPaint = SkToBool(DrawOp_unpackFlags(op32) & kDrawBitmap_HasPaint_DrawOpFlag); |
| const SkIPoint* point = skip<SkIPoint>(reader); |
| const SkBitmap* bitmap = holder.getBitmap(); |
| if (state->shouldDraw()) { |
| canvas->drawSprite(*bitmap, point->fX, point->fY, hasPaint ? &state->paint() : NULL); |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static void drawData_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| // since we don't have a paint, we can use data for our (small) sizes |
| size_t size = DrawOp_unpackData(op32); |
| if (0 == size) { |
| size = reader->readU32(); |
| } |
| const void* data = reader->skip(SkAlign4(size)); |
| if (state->shouldDraw()) { |
| canvas->drawData(data, size); |
| } |
| } |
| |
| static void drawPicture_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| UNIMPLEMENTED |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static void paintOp_rp(SkCanvas*, SkReader32* reader, uint32_t op32, |
| SkGPipeState* state) { |
| size_t offset = reader->offset(); |
| size_t stop = offset + PaintOp_unpackData(op32); |
| SkPaint* p = state->editPaint(); |
| |
| do { |
| uint32_t p32 = reader->readU32(); |
| unsigned op = PaintOp_unpackOp(p32); |
| unsigned data = PaintOp_unpackData(p32); |
| |
| // SkDebugf(" read %08X op=%d flags=%d data=%d\n", p32, op, done, data); |
| |
| switch (op) { |
| case kReset_PaintOp: p->reset(); break; |
| case kFlags_PaintOp: p->setFlags(data); break; |
| case kColor_PaintOp: p->setColor(reader->readU32()); break; |
| case kStyle_PaintOp: p->setStyle((SkPaint::Style)data); break; |
| case kJoin_PaintOp: p->setStrokeJoin((SkPaint::Join)data); break; |
| case kCap_PaintOp: p->setStrokeCap((SkPaint::Cap)data); break; |
| case kWidth_PaintOp: p->setStrokeWidth(reader->readScalar()); break; |
| case kMiter_PaintOp: p->setStrokeMiter(reader->readScalar()); break; |
| case kEncoding_PaintOp: |
| p->setTextEncoding((SkPaint::TextEncoding)data); |
| break; |
| case kHinting_PaintOp: p->setHinting((SkPaint::Hinting)data); break; |
| case kAlign_PaintOp: p->setTextAlign((SkPaint::Align)data); break; |
| case kTextSize_PaintOp: p->setTextSize(reader->readScalar()); break; |
| case kTextScaleX_PaintOp: p->setTextScaleX(reader->readScalar()); break; |
| case kTextSkewX_PaintOp: p->setTextSkewX(reader->readScalar()); break; |
| |
| case kFlatIndex_PaintOp: { |
| PaintFlats pf = (PaintFlats)PaintOp_unpackFlags(p32); |
| unsigned index = data; |
| set_paintflat(p, state->getFlat(index), pf); |
| break; |
| } |
| |
| case kTypeface_PaintOp: |
| SkASSERT(SkToBool(state->getFlags() & |
| SkGPipeWriter::kCrossProcess_Flag)); |
| state->setTypeface(p, data); break; |
| default: SkDEBUGFAIL("bad paintop"); return; |
| } |
| SkASSERT(reader->offset() <= stop); |
| } while (reader->offset() < stop); |
| } |
| |
| static void typeface_rp(SkCanvas*, SkReader32* reader, uint32_t, |
| SkGPipeState* state) { |
| SkASSERT(!SkToBool(state->getFlags() & SkGPipeWriter::kCrossProcess_Flag)); |
| SkPaint* p = state->editPaint(); |
| p->setTypeface(static_cast<SkTypeface*>(reader->readPtr())); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static void def_Typeface_rp(SkCanvas*, SkReader32*, uint32_t, SkGPipeState* state) { |
| state->addTypeface(); |
| } |
| |
| static void def_PaintFlat_rp(SkCanvas*, SkReader32*, uint32_t op32, |
| SkGPipeState* state) { |
| PaintFlats pf = (PaintFlats)DrawOp_unpackFlags(op32); |
| unsigned index = DrawOp_unpackData(op32); |
| state->defFlattenable(pf, index); |
| } |
| |
| static void def_Bitmap_rp(SkCanvas*, SkReader32*, uint32_t op32, |
| SkGPipeState* state) { |
| unsigned index = DrawOp_unpackData(op32); |
| state->addBitmap(index); |
| } |
| |
| static void def_Factory_rp(SkCanvas*, SkReader32* reader, uint32_t, |
| SkGPipeState* state) { |
| state->defFactory(reader->readString()); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static void skip_rp(SkCanvas*, SkReader32* reader, uint32_t op32, SkGPipeState*) { |
| size_t bytes = DrawOp_unpackData(op32); |
| (void)reader->skip(bytes); |
| } |
| |
| static void reportFlags_rp(SkCanvas*, SkReader32*, uint32_t op32, |
| SkGPipeState* state) { |
| unsigned flags = DrawOp_unpackFlags(op32); |
| state->setFlags(flags); |
| } |
| |
| static void shareBitmapHeap_rp(SkCanvas*, SkReader32* reader, uint32_t, |
| SkGPipeState* state) { |
| state->setSharedHeap(static_cast<SkBitmapHeap*>(reader->readPtr())); |
| } |
| |
| static void done_rp(SkCanvas*, SkReader32*, uint32_t, SkGPipeState*) {} |
| |
| typedef void (*ReadProc)(SkCanvas*, SkReader32*, uint32_t op32, SkGPipeState*); |
| |
| static const ReadProc gReadTable[] = { |
| skip_rp, |
| clipPath_rp, |
| clipRegion_rp, |
| clipRect_rp, |
| clipRRect_rp, |
| concat_rp, |
| drawBitmap_rp, |
| drawBitmapMatrix_rp, |
| drawBitmapNine_rp, |
| drawBitmapRect_rp, |
| drawClear_rp, |
| drawData_rp, |
| drawOval_rp, |
| drawPaint_rp, |
| drawPath_rp, |
| drawPicture_rp, |
| drawPoints_rp, |
| drawPosText_rp, |
| drawPosTextH_rp, |
| drawRect_rp, |
| drawRRect_rp, |
| drawSprite_rp, |
| drawText_rp, |
| drawTextOnPath_rp, |
| drawVertices_rp, |
| restore_rp, |
| rotate_rp, |
| save_rp, |
| saveLayer_rp, |
| scale_rp, |
| setMatrix_rp, |
| skew_rp, |
| translate_rp, |
| |
| paintOp_rp, |
| typeface_rp, |
| def_Typeface_rp, |
| def_PaintFlat_rp, |
| def_Bitmap_rp, |
| def_Factory_rp, |
| |
| reportFlags_rp, |
| shareBitmapHeap_rp, |
| done_rp |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| SkGPipeState::SkGPipeState() |
| : fReader(0) |
| , fSilent(false) |
| , fSharedHeap(NULL) |
| , fFlags(0) { |
| |
| } |
| |
| SkGPipeState::~SkGPipeState() { |
| fTypefaces.safeUnrefAll(); |
| fFlatArray.safeUnrefAll(); |
| fBitmaps.deleteAll(); |
| SkSafeUnref(fSharedHeap); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #include "SkGPipe.h" |
| |
| SkGPipeReader::SkGPipeReader() { |
| fCanvas = NULL; |
| fState = NULL; |
| } |
| |
| SkGPipeReader::SkGPipeReader(SkCanvas* target) { |
| fCanvas = NULL; |
| this->setCanvas(target); |
| fState = NULL; |
| } |
| |
| void SkGPipeReader::setCanvas(SkCanvas *target) { |
| SkRefCnt_SafeAssign(fCanvas, target); |
| } |
| |
| SkGPipeReader::~SkGPipeReader() { |
| SkSafeUnref(fCanvas); |
| delete fState; |
| } |
| |
| SkGPipeReader::Status SkGPipeReader::playback(const void* data, size_t length, |
| uint32_t playbackFlags, size_t* bytesRead) { |
| if (NULL == fCanvas) { |
| return kError_Status; |
| } |
| |
| if (NULL == fState) { |
| fState = new SkGPipeState; |
| } |
| |
| fState->setSilent(playbackFlags & kSilent_PlaybackFlag); |
| |
| SkASSERT(SK_ARRAY_COUNT(gReadTable) == (kDone_DrawOp + 1)); |
| |
| const ReadProc* table = gReadTable; |
| SkOrderedReadBuffer reader(data, length); |
| SkCanvas* canvas = fCanvas; |
| Status status = kEOF_Status; |
| |
| fState->setReader(&reader); |
| while (!reader.eof()) { |
| uint32_t op32 = reader.readUInt(); |
| unsigned op = DrawOp_unpackOp(op32); |
| // SkDEBUGCODE(DrawOps drawOp = (DrawOps)op;) |
| |
| if (op >= SK_ARRAY_COUNT(gReadTable)) { |
| SkDebugf("---- bad op during GPipeState::playback\n"); |
| status = kError_Status; |
| break; |
| } |
| if (kDone_DrawOp == op) { |
| status = kDone_Status; |
| break; |
| } |
| table[op](canvas, reader.getReader32(), op32, fState); |
| if ((playbackFlags & kReadAtom_PlaybackFlag) && |
| (table[op] != paintOp_rp && |
| table[op] != def_Typeface_rp && |
| table[op] != def_PaintFlat_rp && |
| table[op] != def_Bitmap_rp |
| )) { |
| status = kReadAtom_Status; |
| break; |
| } |
| } |
| |
| if (bytesRead) { |
| *bytesRead = reader.offset(); |
| } |
| return status; |
| } |
