| /* |
| * 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 "SkPictureRecord.h" |
| #include "SkImage_Base.h" |
| #include "SkPatchUtils.h" |
| #include "SkPixelRef.h" |
| #include "SkRRect.h" |
| #include "SkRSXform.h" |
| #include "SkTextBlob.h" |
| #include "SkTSearch.h" |
| |
| #define HEAP_BLOCK_SIZE 4096 |
| |
| enum { |
| // just need a value that save or getSaveCount would never return |
| kNoInitialSave = -1, |
| }; |
| |
| // A lot of basic types get stored as a uint32_t: bools, ints, paint indices, etc. |
| static int const kUInt32Size = 4; |
| |
| SkPictureRecord::SkPictureRecord(const SkISize& dimensions, uint32_t flags) |
| : INHERITED(dimensions.width(), dimensions.height()) |
| , fRecordFlags(flags) |
| , fInitialSaveCount(kNoInitialSave) { |
| } |
| |
| SkPictureRecord::~SkPictureRecord() { |
| fImageRefs.unrefAll(); |
| fPictureRefs.unrefAll(); |
| fDrawableRefs.unrefAll(); |
| fTextBlobRefs.unrefAll(); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void SkPictureRecord::willSave() { |
| // record the offset to us, making it non-positive to distinguish a save |
| // from a clip entry. |
| fRestoreOffsetStack.push(-(int32_t)fWriter.bytesWritten()); |
| this->recordSave(); |
| |
| this->INHERITED::willSave(); |
| } |
| |
| void SkPictureRecord::recordSave() { |
| fContentInfo.onSave(); |
| |
| // op only |
| size_t size = sizeof(kUInt32Size); |
| size_t initialOffset = this->addDraw(SAVE, &size); |
| |
| this->validate(initialOffset, size); |
| } |
| |
| SkCanvas::SaveLayerStrategy SkPictureRecord::getSaveLayerStrategy(const SaveLayerRec& rec) { |
| // record the offset to us, making it non-positive to distinguish a save |
| // from a clip entry. |
| fRestoreOffsetStack.push(-(int32_t)fWriter.bytesWritten()); |
| this->recordSaveLayer(rec); |
| |
| (void)this->INHERITED::getSaveLayerStrategy(rec); |
| /* No need for a (potentially very big) layer which we don't actually need |
| at this time (and may not be able to afford since during record our |
| clip starts out the size of the picture, which is often much larger |
| than the size of the actual device we'll use during playback). |
| */ |
| return kNoLayer_SaveLayerStrategy; |
| } |
| |
| void SkPictureRecord::recordSaveLayer(const SaveLayerRec& rec) { |
| fContentInfo.onSaveLayer(); |
| |
| // op + flatflags |
| size_t size = 2 * kUInt32Size; |
| uint32_t flatFlags = 0; |
| |
| if (rec.fBounds) { |
| flatFlags |= SAVELAYERREC_HAS_BOUNDS; |
| size += sizeof(*rec.fBounds); |
| } |
| if (rec.fPaint) { |
| flatFlags |= SAVELAYERREC_HAS_PAINT; |
| size += sizeof(uint32_t); // index |
| } |
| if (rec.fBackdrop) { |
| flatFlags |= SAVELAYERREC_HAS_BACKDROP; |
| size += sizeof(uint32_t); // (paint) index |
| } |
| if (rec.fSaveLayerFlags) { |
| flatFlags |= SAVELAYERREC_HAS_FLAGS; |
| size += sizeof(uint32_t); |
| } |
| |
| const size_t initialOffset = this->addDraw(SAVE_LAYER_SAVELAYERREC, &size); |
| this->addInt(flatFlags); |
| if (flatFlags & SAVELAYERREC_HAS_BOUNDS) { |
| this->addRect(*rec.fBounds); |
| } |
| if (flatFlags & SAVELAYERREC_HAS_PAINT) { |
| this->addPaintPtr(rec.fPaint); |
| } |
| if (flatFlags & SAVELAYERREC_HAS_BACKDROP) { |
| // overkill, but we didn't already track single flattenables, so using a paint for that |
| SkPaint paint; |
| paint.setImageFilter(const_cast<SkImageFilter*>(rec.fBackdrop)); |
| this->addPaint(paint); |
| } |
| if (flatFlags & SAVELAYERREC_HAS_FLAGS) { |
| this->addInt(rec.fSaveLayerFlags); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| #ifdef SK_DEBUG |
| /* |
| * Read the op code from 'offset' in 'writer' and extract the size too. |
| */ |
| static DrawType peek_op_and_size(SkWriter32* writer, size_t offset, uint32_t* size) { |
| uint32_t peek = writer->readTAt<uint32_t>(offset); |
| |
| uint32_t op; |
| UNPACK_8_24(peek, op, *size); |
| if (MASK_24 == *size) { |
| // size required its own slot right after the op code |
| *size = writer->readTAt<uint32_t>(offset + kUInt32Size); |
| } |
| return (DrawType) op; |
| } |
| #endif//SK_DEBUG |
| |
| void SkPictureRecord::willRestore() { |
| #if 0 |
| SkASSERT(fRestoreOffsetStack.count() > 1); |
| #endif |
| |
| // check for underflow |
| if (fRestoreOffsetStack.count() == 0) { |
| return; |
| } |
| |
| this->recordRestore(); |
| |
| fRestoreOffsetStack.pop(); |
| |
| this->INHERITED::willRestore(); |
| } |
| |
| void SkPictureRecord::recordRestore(bool fillInSkips) { |
| fContentInfo.onRestore(); |
| |
| if (fillInSkips) { |
| this->fillRestoreOffsetPlaceholdersForCurrentStackLevel((uint32_t)fWriter.bytesWritten()); |
| } |
| size_t size = 1 * kUInt32Size; // RESTORE consists solely of 1 op code |
| size_t initialOffset = this->addDraw(RESTORE, &size); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::recordTranslate(const SkMatrix& m) { |
| SkASSERT(SkMatrix::kTranslate_Mask == m.getType()); |
| |
| // op + dx + dy |
| size_t size = 1 * kUInt32Size + 2 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(TRANSLATE, &size); |
| this->addScalar(m.getTranslateX()); |
| this->addScalar(m.getTranslateY()); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::recordScale(const SkMatrix& m) { |
| SkASSERT(SkMatrix::kScale_Mask == m.getType()); |
| |
| // op + sx + sy |
| size_t size = 1 * kUInt32Size + 2 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(SCALE, &size); |
| this->addScalar(m.getScaleX()); |
| this->addScalar(m.getScaleY()); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::didConcat(const SkMatrix& matrix) { |
| switch (matrix.getType()) { |
| case SkMatrix::kTranslate_Mask: |
| this->recordTranslate(matrix); |
| break; |
| case SkMatrix::kScale_Mask: |
| this->recordScale(matrix); |
| break; |
| default: |
| this->recordConcat(matrix); |
| break; |
| } |
| this->INHERITED::didConcat(matrix); |
| } |
| |
| void SkPictureRecord::recordConcat(const SkMatrix& matrix) { |
| this->validate(fWriter.bytesWritten(), 0); |
| // op + matrix |
| size_t size = kUInt32Size + matrix.writeToMemory(nullptr); |
| size_t initialOffset = this->addDraw(CONCAT, &size); |
| this->addMatrix(matrix); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::didSetMatrix(const SkMatrix& matrix) { |
| this->validate(fWriter.bytesWritten(), 0); |
| // op + matrix |
| size_t size = kUInt32Size + matrix.writeToMemory(nullptr); |
| size_t initialOffset = this->addDraw(SET_MATRIX, &size); |
| this->addMatrix(matrix); |
| this->validate(initialOffset, size); |
| this->INHERITED::didSetMatrix(matrix); |
| } |
| |
| void SkPictureRecord::didTranslateZ(SkScalar z) { |
| #ifdef SK_EXPERIMENTAL_SHADOWING |
| this->validate(fWriter.bytesWritten(), 0); |
| // op + scalar |
| size_t size = 1 * kUInt32Size + 1 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(TRANSLATE_Z, &size); |
| this->addScalar(z); |
| this->validate(initialOffset, size); |
| this->INHERITED::didTranslateZ(z); |
| #endif |
| } |
| |
| static bool regionOpExpands(SkRegion::Op op) { |
| switch (op) { |
| case SkRegion::kUnion_Op: |
| case SkRegion::kXOR_Op: |
| case SkRegion::kReverseDifference_Op: |
| case SkRegion::kReplace_Op: |
| return true; |
| case SkRegion::kIntersect_Op: |
| case SkRegion::kDifference_Op: |
| return false; |
| default: |
| SkDEBUGFAIL("unknown region op"); |
| return false; |
| } |
| } |
| |
| void SkPictureRecord::fillRestoreOffsetPlaceholdersForCurrentStackLevel(uint32_t restoreOffset) { |
| int32_t offset = fRestoreOffsetStack.top(); |
| while (offset > 0) { |
| uint32_t peek = fWriter.readTAt<uint32_t>(offset); |
| fWriter.overwriteTAt(offset, restoreOffset); |
| offset = peek; |
| } |
| |
| #ifdef SK_DEBUG |
| // offset of 0 has been disabled, so we skip it |
| if (offset > 0) { |
| // assert that the final offset value points to a save verb |
| uint32_t opSize; |
| DrawType drawOp = peek_op_and_size(&fWriter, -offset, &opSize); |
| SkASSERT(SAVE_LAYER_SAVEFLAGS_DEPRECATED != drawOp); |
| SkASSERT(SAVE_LAYER_SAVELAYERFLAGS_DEPRECATED_JAN_2016 != drawOp); |
| SkASSERT(SAVE == drawOp || SAVE_LAYER_SAVELAYERREC == drawOp); |
| } |
| #endif |
| } |
| |
| void SkPictureRecord::beginRecording() { |
| // we have to call this *after* our constructor, to ensure that it gets |
| // recorded. This is balanced by restoreToCount() call from endRecording, |
| // which in-turn calls our overridden restore(), so those get recorded too. |
| fInitialSaveCount = this->save(); |
| } |
| |
| void SkPictureRecord::endRecording() { |
| SkASSERT(kNoInitialSave != fInitialSaveCount); |
| this->restoreToCount(fInitialSaveCount); |
| } |
| |
| size_t SkPictureRecord::recordRestoreOffsetPlaceholder(SkRegion::Op op) { |
| if (fRestoreOffsetStack.isEmpty()) { |
| return -1; |
| } |
| |
| // The RestoreOffset field is initially filled with a placeholder |
| // value that points to the offset of the previous RestoreOffset |
| // in the current stack level, thus forming a linked list so that |
| // the restore offsets can be filled in when the corresponding |
| // restore command is recorded. |
| int32_t prevOffset = fRestoreOffsetStack.top(); |
| |
| if (regionOpExpands(op)) { |
| // Run back through any previous clip ops, and mark their offset to |
| // be 0, disabling their ability to trigger a jump-to-restore, otherwise |
| // they could hide this clips ability to expand the clip (i.e. go from |
| // empty to non-empty). |
| this->fillRestoreOffsetPlaceholdersForCurrentStackLevel(0); |
| |
| // Reset the pointer back to the previous clip so that subsequent |
| // restores don't overwrite the offsets we just cleared. |
| prevOffset = 0; |
| } |
| |
| size_t offset = fWriter.bytesWritten(); |
| this->addInt(prevOffset); |
| fRestoreOffsetStack.top() = SkToU32(offset); |
| return offset; |
| } |
| |
| void SkPictureRecord::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
| this->recordClipRect(rect, op, kSoft_ClipEdgeStyle == edgeStyle); |
| this->INHERITED::onClipRect(rect, op, edgeStyle); |
| } |
| |
| size_t SkPictureRecord::recordClipRect(const SkRect& rect, SkRegion::Op op, bool doAA) { |
| // id + rect + clip params |
| size_t size = 1 * kUInt32Size + sizeof(rect) + 1 * kUInt32Size; |
| // recordRestoreOffsetPlaceholder doesn't always write an offset |
| if (!fRestoreOffsetStack.isEmpty()) { |
| // + restore offset |
| size += kUInt32Size; |
| } |
| size_t initialOffset = this->addDraw(CLIP_RECT, &size); |
| this->addRect(rect); |
| this->addInt(ClipParams_pack(op, doAA)); |
| size_t offset = this->recordRestoreOffsetPlaceholder(op); |
| |
| this->validate(initialOffset, size); |
| return offset; |
| } |
| |
| void SkPictureRecord::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
| this->recordClipRRect(rrect, op, kSoft_ClipEdgeStyle == edgeStyle); |
| this->INHERITED::onClipRRect(rrect, op, edgeStyle); |
| } |
| |
| size_t SkPictureRecord::recordClipRRect(const SkRRect& rrect, SkRegion::Op op, bool doAA) { |
| // op + rrect + clip params |
| size_t size = 1 * kUInt32Size + SkRRect::kSizeInMemory + 1 * kUInt32Size; |
| // recordRestoreOffsetPlaceholder doesn't always write an offset |
| if (!fRestoreOffsetStack.isEmpty()) { |
| // + restore offset |
| size += kUInt32Size; |
| } |
| size_t initialOffset = this->addDraw(CLIP_RRECT, &size); |
| this->addRRect(rrect); |
| this->addInt(ClipParams_pack(op, doAA)); |
| size_t offset = recordRestoreOffsetPlaceholder(op); |
| this->validate(initialOffset, size); |
| return offset; |
| } |
| |
| void SkPictureRecord::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
| int pathID = this->addPathToHeap(path); |
| this->recordClipPath(pathID, op, kSoft_ClipEdgeStyle == edgeStyle); |
| this->INHERITED::onClipPath(path, op, edgeStyle); |
| } |
| |
| size_t SkPictureRecord::recordClipPath(int pathID, SkRegion::Op op, bool doAA) { |
| // op + path index + clip params |
| size_t size = 3 * kUInt32Size; |
| // recordRestoreOffsetPlaceholder doesn't always write an offset |
| if (!fRestoreOffsetStack.isEmpty()) { |
| // + restore offset |
| size += kUInt32Size; |
| } |
| size_t initialOffset = this->addDraw(CLIP_PATH, &size); |
| this->addInt(pathID); |
| this->addInt(ClipParams_pack(op, doAA)); |
| size_t offset = recordRestoreOffsetPlaceholder(op); |
| this->validate(initialOffset, size); |
| return offset; |
| } |
| |
| void SkPictureRecord::onClipRegion(const SkRegion& region, SkRegion::Op op) { |
| this->recordClipRegion(region, op); |
| this->INHERITED::onClipRegion(region, op); |
| } |
| |
| size_t SkPictureRecord::recordClipRegion(const SkRegion& region, SkRegion::Op op) { |
| // op + clip params + region |
| size_t size = 2 * kUInt32Size + region.writeToMemory(nullptr); |
| // recordRestoreOffsetPlaceholder doesn't always write an offset |
| if (!fRestoreOffsetStack.isEmpty()) { |
| // + restore offset |
| size += kUInt32Size; |
| } |
| size_t initialOffset = this->addDraw(CLIP_REGION, &size); |
| this->addRegion(region); |
| this->addInt(ClipParams_pack(op, false)); |
| size_t offset = this->recordRestoreOffsetPlaceholder(op); |
| |
| this->validate(initialOffset, size); |
| return offset; |
| } |
| |
| void SkPictureRecord::onDrawPaint(const SkPaint& paint) { |
| // op + paint index |
| size_t size = 2 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_PAINT, &size); |
| this->addPaint(paint); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawPoints(PointMode mode, size_t count, const SkPoint pts[], |
| const SkPaint& paint) { |
| fContentInfo.onDrawPoints(count, paint); |
| |
| // op + paint index + mode + count + point data |
| size_t size = 4 * kUInt32Size + count * sizeof(SkPoint); |
| size_t initialOffset = this->addDraw(DRAW_POINTS, &size); |
| this->addPaint(paint); |
| |
| this->addInt(mode); |
| this->addInt(SkToInt(count)); |
| fWriter.writeMul4(pts, count * sizeof(SkPoint)); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawOval(const SkRect& oval, const SkPaint& paint) { |
| // op + paint index + rect |
| size_t size = 2 * kUInt32Size + sizeof(oval); |
| size_t initialOffset = this->addDraw(DRAW_OVAL, &size); |
| this->addPaint(paint); |
| this->addRect(oval); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawArc(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, |
| bool useCenter, const SkPaint& paint) { |
| // op + paint index + rect + start + sweep + bool (as int) |
| size_t size = 2 * kUInt32Size + sizeof(oval) + sizeof(startAngle) + sizeof(sweepAngle) + |
| sizeof(int); |
| size_t initialOffset = this->addDraw(DRAW_ARC, &size); |
| this->addPaint(paint); |
| this->addRect(oval); |
| this->addScalar(startAngle); |
| this->addScalar(sweepAngle); |
| this->addInt(useCenter); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawRect(const SkRect& rect, const SkPaint& paint) { |
| // op + paint index + rect |
| size_t size = 2 * kUInt32Size + sizeof(rect); |
| size_t initialOffset = this->addDraw(DRAW_RECT, &size); |
| this->addPaint(paint); |
| this->addRect(rect); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) { |
| // op + paint index + rrect |
| size_t size = 2 * kUInt32Size + SkRRect::kSizeInMemory; |
| size_t initialOffset = this->addDraw(DRAW_RRECT, &size); |
| this->addPaint(paint); |
| this->addRRect(rrect); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, |
| const SkPaint& paint) { |
| // op + paint index + rrects |
| size_t size = 2 * kUInt32Size + SkRRect::kSizeInMemory * 2; |
| size_t initialOffset = this->addDraw(DRAW_DRRECT, &size); |
| this->addPaint(paint); |
| this->addRRect(outer); |
| this->addRRect(inner); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawPath(const SkPath& path, const SkPaint& paint) { |
| fContentInfo.onDrawPath(path, paint); |
| |
| // op + paint index + path index |
| size_t size = 3 * kUInt32Size; |
| size_t initialOffset = this->addDraw(DRAW_PATH, &size); |
| this->addPaint(paint); |
| this->addPath(path); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawImage(const SkImage* image, SkScalar x, SkScalar y, |
| const SkPaint* paint) { |
| // op + paint_index + image_index + x + y |
| size_t size = 3 * kUInt32Size + 2 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(DRAW_IMAGE, &size); |
| this->addPaintPtr(paint); |
| this->addImage(image); |
| this->addScalar(x); |
| this->addScalar(y); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst, |
| const SkPaint* paint, SrcRectConstraint constraint) { |
| // id + paint_index + image_index + bool_for_src + constraint |
| size_t size = 5 * kUInt32Size; |
| if (src) { |
| size += sizeof(*src); // + rect |
| } |
| size += sizeof(dst); // + rect |
| |
| size_t initialOffset = this->addDraw(DRAW_IMAGE_RECT, &size); |
| this->addPaintPtr(paint); |
| this->addImage(image); |
| this->addRectPtr(src); // may be null |
| this->addRect(dst); |
| this->addInt(constraint); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawImageNine(const SkImage* img, const SkIRect& center, const SkRect& dst, |
| const SkPaint* paint) { |
| // id + paint_index + image_index + center + dst |
| size_t size = 3 * kUInt32Size + sizeof(SkIRect) + sizeof(SkRect); |
| |
| size_t initialOffset = this->addDraw(DRAW_IMAGE_NINE, &size); |
| this->addPaintPtr(paint); |
| this->addImage(img); |
| this->addIRect(center); |
| this->addRect(dst); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawImageLattice(const SkImage* image, const Lattice& lattice, |
| const SkRect& dst, const SkPaint* paint) { |
| // xCount + xDivs + yCount+ yDivs |
| size_t latticeSize = (1 + lattice.fXCount + 1 + lattice.fYCount) * kUInt32Size; |
| |
| // op + paint index + image index + lattice + dst rect |
| size_t size = 3 * kUInt32Size + latticeSize + sizeof(dst); |
| size_t initialOffset = this->addDraw(DRAW_IMAGE_LATTICE, &size); |
| this->addPaintPtr(paint); |
| this->addImage(image); |
| this->addInt(lattice.fXCount); |
| fWriter.writePad(lattice.fXDivs, lattice.fXCount * kUInt32Size); |
| this->addInt(lattice.fYCount); |
| fWriter.writePad(lattice.fYDivs, lattice.fYCount * kUInt32Size); |
| this->addRect(dst); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
| const SkPaint& paint) { |
| // op + paint index + length + 'length' worth of chars + x + y |
| size_t size = 3 * kUInt32Size + SkAlign4(byteLength) + 2 * sizeof(SkScalar); |
| |
| DrawType op = DRAW_TEXT; |
| size_t initialOffset = this->addDraw(op, &size); |
| this->addPaint(paint); |
| this->addText(text, byteLength); |
| this->addScalar(x); |
| this->addScalar(y); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
| const SkPaint& paint) { |
| int points = paint.countText(text, byteLength); |
| |
| // op + paint index + length + 'length' worth of data + num points + x&y point data |
| size_t size = 3 * kUInt32Size + SkAlign4(byteLength) + kUInt32Size + points * sizeof(SkPoint); |
| |
| DrawType op = DRAW_POS_TEXT; |
| |
| size_t initialOffset = this->addDraw(op, &size); |
| this->addPaint(paint); |
| this->addText(text, byteLength); |
| this->addInt(points); |
| fWriter.writeMul4(pos, points * sizeof(SkPoint)); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
| SkScalar constY, const SkPaint& paint) { |
| int points = paint.countText(text, byteLength); |
| |
| // op + paint index + length + 'length' worth of data + num points |
| size_t size = 3 * kUInt32Size + SkAlign4(byteLength) + 1 * kUInt32Size; |
| // + y + the actual points |
| size += 1 * kUInt32Size + points * sizeof(SkScalar); |
| |
| size_t initialOffset = this->addDraw(DRAW_POS_TEXT_H, &size); |
| this->addPaint(paint); |
| this->addText(text, byteLength); |
| this->addInt(points); |
| this->addScalar(constY); |
| fWriter.writeMul4(xpos, points * sizeof(SkScalar)); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| const SkMatrix* matrix, const SkPaint& paint) { |
| // op + paint index + length + 'length' worth of data + path index + matrix |
| const SkMatrix& m = matrix ? *matrix : SkMatrix::I(); |
| size_t size = 3 * kUInt32Size + SkAlign4(byteLength) + kUInt32Size + m.writeToMemory(nullptr); |
| size_t initialOffset = this->addDraw(DRAW_TEXT_ON_PATH, &size); |
| this->addPaint(paint); |
| this->addText(text, byteLength); |
| this->addPath(path); |
| this->addMatrix(m); |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawTextRSXform(const void* text, size_t byteLength, |
| const SkRSXform xform[], const SkRect* cull, |
| const SkPaint& paint) { |
| const int count = paint.countText(text, byteLength); |
| // [op + paint-index + count + flags + length] + [text] + [xform] + cull |
| size_t size = 5 * kUInt32Size + SkAlign4(byteLength) + count * sizeof(SkRSXform); |
| uint32_t flags = 0; |
| if (cull) { |
| flags |= DRAW_TEXT_RSXFORM_HAS_CULL; |
| size += sizeof(SkRect); |
| } |
| |
| size_t initialOffset = this->addDraw(DRAW_TEXT_RSXFORM, &size); |
| this->addPaint(paint); |
| this->addInt(count); |
| this->addInt(flags); |
| this->addText(text, byteLength); |
| fWriter.write(xform, count * sizeof(SkRSXform)); |
| if (cull) { |
| fWriter.write(cull, sizeof(SkRect)); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| const SkPaint& paint) { |
| |
| // op + paint index + blob index + x/y |
| size_t size = 3 * kUInt32Size + 2 * sizeof(SkScalar); |
| size_t initialOffset = this->addDraw(DRAW_TEXT_BLOB, &size); |
| |
| this->addPaint(paint); |
| this->addTextBlob(blob); |
| this->addScalar(x); |
| this->addScalar(y); |
| |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix, |
| const SkPaint* paint) { |
| // op + picture index |
| size_t size = 2 * kUInt32Size; |
| size_t initialOffset; |
| |
| if (nullptr == matrix && nullptr == paint) { |
| initialOffset = this->addDraw(DRAW_PICTURE, &size); |
| this->addPicture(picture); |
| } else { |
| const SkMatrix& m = matrix ? *matrix : SkMatrix::I(); |
| size += m.writeToMemory(nullptr) + kUInt32Size; // matrix + paint |
| initialOffset = this->addDraw(DRAW_PICTURE_MATRIX_PAINT, &size); |
| this->addPaintPtr(paint); |
| this->addMatrix(m); |
| this->addPicture(picture); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawShadowedPicture(const SkPicture* picture, |
| const SkMatrix* matrix, |
| const SkPaint* paint, |
| const SkShadowParams& params) { |
| // op + picture index |
| size_t size = 2 * kUInt32Size; |
| size_t initialOffset; |
| |
| // TODO: handle recording params. |
| if (nullptr == matrix && nullptr == paint) { |
| initialOffset = this->addDraw(DRAW_PICTURE, &size); |
| this->addPicture(picture); |
| } else { |
| const SkMatrix& m = matrix ? *matrix : SkMatrix::I(); |
| size += m.writeToMemory(nullptr) + kUInt32Size; // matrix + paint |
| initialOffset = this->addDraw(DRAW_PICTURE_MATRIX_PAINT, &size); |
| this->addPaintPtr(paint); |
| this->addMatrix(m); |
| this->addPicture(picture); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) { |
| // op + drawable index |
| size_t size = 2 * kUInt32Size; |
| size_t initialOffset; |
| |
| if (nullptr == matrix) { |
| initialOffset = this->addDraw(DRAW_DRAWABLE, &size); |
| this->addDrawable(drawable); |
| } else { |
| size += matrix->writeToMemory(nullptr); // matrix |
| initialOffset = this->addDraw(DRAW_DRAWABLE_MATRIX, &size); |
| this->addMatrix(*matrix); |
| this->addDrawable(drawable); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawVertices(VertexMode vmode, int vertexCount, |
| const SkPoint vertices[], const SkPoint texs[], |
| const SkColor colors[], SkXfermode* xfer, |
| const uint16_t indices[], int indexCount, |
| const SkPaint& paint) { |
| uint32_t flags = 0; |
| if (texs) { |
| flags |= DRAW_VERTICES_HAS_TEXS; |
| } |
| if (colors) { |
| flags |= DRAW_VERTICES_HAS_COLORS; |
| } |
| if (indexCount > 0) { |
| flags |= DRAW_VERTICES_HAS_INDICES; |
| } |
| if (xfer) { |
| SkXfermode::Mode mode; |
| if (xfer->asMode(&mode) && SkXfermode::kModulate_Mode != mode) { |
| flags |= DRAW_VERTICES_HAS_XFER; |
| } |
| } |
| |
| // op + paint index + flags + vmode + vCount + vertices |
| size_t size = 5 * kUInt32Size + vertexCount * sizeof(SkPoint); |
| if (flags & DRAW_VERTICES_HAS_TEXS) { |
| size += vertexCount * sizeof(SkPoint); // + uvs |
| } |
| if (flags & DRAW_VERTICES_HAS_COLORS) { |
| size += vertexCount * sizeof(SkColor); // + vert colors |
| } |
| if (flags & DRAW_VERTICES_HAS_INDICES) { |
| // + num indices + indices |
| size += 1 * kUInt32Size + SkAlign4(indexCount * sizeof(uint16_t)); |
| } |
| if (flags & DRAW_VERTICES_HAS_XFER) { |
| size += kUInt32Size; // mode enum |
| } |
| |
| size_t initialOffset = this->addDraw(DRAW_VERTICES, &size); |
| this->addPaint(paint); |
| this->addInt(flags); |
| this->addInt(vmode); |
| this->addInt(vertexCount); |
| this->addPoints(vertices, vertexCount); |
| if (flags & DRAW_VERTICES_HAS_TEXS) { |
| this->addPoints(texs, vertexCount); |
| } |
| if (flags & DRAW_VERTICES_HAS_COLORS) { |
| fWriter.writeMul4(colors, vertexCount * sizeof(SkColor)); |
| } |
| if (flags & DRAW_VERTICES_HAS_INDICES) { |
| this->addInt(indexCount); |
| fWriter.writePad(indices, indexCount * sizeof(uint16_t)); |
| } |
| if (flags & DRAW_VERTICES_HAS_XFER) { |
| SkXfermode::Mode mode = SkXfermode::kModulate_Mode; |
| (void)xfer->asMode(&mode); |
| this->addInt(mode); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], |
| const SkPoint texCoords[4], SkXfermode* xmode, |
| const SkPaint& paint) { |
| // op + paint index + patch 12 control points + flag + patch 4 colors + 4 texture coordinates |
| size_t size = 2 * kUInt32Size + SkPatchUtils::kNumCtrlPts * sizeof(SkPoint) + kUInt32Size; |
| uint32_t flag = 0; |
| if (colors) { |
| flag |= DRAW_VERTICES_HAS_COLORS; |
| size += SkPatchUtils::kNumCorners * sizeof(SkColor); |
| } |
| if (texCoords) { |
| flag |= DRAW_VERTICES_HAS_TEXS; |
| size += SkPatchUtils::kNumCorners * sizeof(SkPoint); |
| } |
| if (xmode) { |
| SkXfermode::Mode mode; |
| if (xmode->asMode(&mode) && SkXfermode::kModulate_Mode != mode) { |
| flag |= DRAW_VERTICES_HAS_XFER; |
| size += kUInt32Size; |
| } |
| } |
| |
| size_t initialOffset = this->addDraw(DRAW_PATCH, &size); |
| this->addPaint(paint); |
| this->addPatch(cubics); |
| this->addInt(flag); |
| |
| // write optional parameters |
| if (colors) { |
| fWriter.write(colors, SkPatchUtils::kNumCorners * sizeof(SkColor)); |
| } |
| if (texCoords) { |
| fWriter.write(texCoords, SkPatchUtils::kNumCorners * sizeof(SkPoint)); |
| } |
| if (flag & DRAW_VERTICES_HAS_XFER) { |
| SkXfermode::Mode mode = SkXfermode::kModulate_Mode; |
| xmode->asMode(&mode); |
| this->addInt(mode); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawAtlas(const SkImage* atlas, const SkRSXform xform[], const SkRect tex[], |
| const SkColor colors[], int count, SkXfermode::Mode mode, |
| const SkRect* cull, const SkPaint* paint) { |
| // [op + paint-index + atlas-index + flags + count] + [xform] + [tex] + [*colors + mode] + cull |
| size_t size = 5 * kUInt32Size + count * sizeof(SkRSXform) + count * sizeof(SkRect); |
| uint32_t flags = 0; |
| if (colors) { |
| flags |= DRAW_ATLAS_HAS_COLORS; |
| size += count * sizeof(SkColor); |
| size += sizeof(uint32_t); // xfermode::mode |
| } |
| if (cull) { |
| flags |= DRAW_ATLAS_HAS_CULL; |
| size += sizeof(SkRect); |
| } |
| |
| size_t initialOffset = this->addDraw(DRAW_ATLAS, &size); |
| this->addPaintPtr(paint); |
| this->addImage(atlas); |
| this->addInt(flags); |
| this->addInt(count); |
| fWriter.write(xform, count * sizeof(SkRSXform)); |
| fWriter.write(tex, count * sizeof(SkRect)); |
| |
| // write optional parameters |
| if (colors) { |
| fWriter.write(colors, count * sizeof(SkColor)); |
| this->addInt(mode); |
| } |
| if (cull) { |
| fWriter.write(cull, sizeof(SkRect)); |
| } |
| this->validate(initialOffset, size); |
| } |
| |
| void SkPictureRecord::onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) { |
| size_t keyLen = fWriter.WriteStringSize(key); |
| size_t valueLen = fWriter.WriteDataSize(value); |
| size_t size = 4 + sizeof(SkRect) + keyLen + valueLen; |
| |
| size_t initialOffset = this->addDraw(DRAW_ANNOTATION, &size); |
| this->addRect(rect); |
| fWriter.writeString(key); |
| fWriter.writeData(value); |
| this->validate(initialOffset, size); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| sk_sp<SkSurface> SkPictureRecord::onNewSurface(const SkImageInfo& info, const SkSurfaceProps&) { |
| return nullptr; |
| } |
| |
| void SkPictureRecord::addImage(const SkImage* image) { |
| int index = fImageRefs.find(image); |
| if (index >= 0) { |
| this->addInt(index); |
| } else { |
| *fImageRefs.append() = SkRef(image); |
| this->addInt(fImageRefs.count()-1); |
| } |
| } |
| |
| void SkPictureRecord::addMatrix(const SkMatrix& matrix) { |
| fWriter.writeMatrix(matrix); |
| } |
| |
| void SkPictureRecord::addPaintPtr(const SkPaint* paint) { |
| fContentInfo.onAddPaintPtr(paint); |
| |
| if (paint) { |
| fPaints.push_back(*paint); |
| this->addInt(fPaints.count()); |
| } else { |
| this->addInt(0); |
| } |
| } |
| |
| int SkPictureRecord::addPathToHeap(const SkPath& path) { |
| if (int* n = fPaths.find(path)) { |
| return *n; |
| } |
| int n = fPaths.count() + 1; // 0 is reserved for null / error. |
| fPaths.set(path, n); |
| return n; |
| } |
| |
| void SkPictureRecord::addPath(const SkPath& path) { |
| this->addInt(this->addPathToHeap(path)); |
| } |
| |
| void SkPictureRecord::addPatch(const SkPoint cubics[12]) { |
| fWriter.write(cubics, SkPatchUtils::kNumCtrlPts * sizeof(SkPoint)); |
| } |
| |
| void SkPictureRecord::addPicture(const SkPicture* picture) { |
| int index = fPictureRefs.find(picture); |
| if (index < 0) { // not found |
| index = fPictureRefs.count(); |
| *fPictureRefs.append() = picture; |
| picture->ref(); |
| } |
| // follow the convention of recording a 1-based index |
| this->addInt(index + 1); |
| } |
| |
| void SkPictureRecord::addDrawable(SkDrawable* drawable) { |
| int index = fDrawableRefs.find(drawable); |
| if (index < 0) { // not found |
| index = fDrawableRefs.count(); |
| *fDrawableRefs.append() = drawable; |
| drawable->ref(); |
| } |
| // follow the convention of recording a 1-based index |
| this->addInt(index + 1); |
| } |
| |
| void SkPictureRecord::addPoint(const SkPoint& point) { |
| fWriter.writePoint(point); |
| } |
| |
| void SkPictureRecord::addPoints(const SkPoint pts[], int count) { |
| fWriter.writeMul4(pts, count * sizeof(SkPoint)); |
| } |
| |
| void SkPictureRecord::addNoOp() { |
| size_t size = kUInt32Size; // op |
| this->addDraw(NOOP, &size); |
| } |
| |
| void SkPictureRecord::addRect(const SkRect& rect) { |
| fWriter.writeRect(rect); |
| } |
| |
| void SkPictureRecord::addRectPtr(const SkRect* rect) { |
| if (fWriter.writeBool(rect != nullptr)) { |
| fWriter.writeRect(*rect); |
| } |
| } |
| |
| void SkPictureRecord::addIRect(const SkIRect& rect) { |
| fWriter.write(&rect, sizeof(rect)); |
| } |
| |
| void SkPictureRecord::addIRectPtr(const SkIRect* rect) { |
| if (fWriter.writeBool(rect != nullptr)) { |
| *(SkIRect*)fWriter.reserve(sizeof(SkIRect)) = *rect; |
| } |
| } |
| |
| void SkPictureRecord::addRRect(const SkRRect& rrect) { |
| fWriter.writeRRect(rrect); |
| } |
| |
| void SkPictureRecord::addRegion(const SkRegion& region) { |
| fWriter.writeRegion(region); |
| } |
| |
| void SkPictureRecord::addText(const void* text, size_t byteLength) { |
| fContentInfo.onDrawText(); |
| addInt(SkToInt(byteLength)); |
| fWriter.writePad(text, byteLength); |
| } |
| |
| void SkPictureRecord::addTextBlob(const SkTextBlob *blob) { |
| int index = fTextBlobRefs.count(); |
| *fTextBlobRefs.append() = blob; |
| blob->ref(); |
| // follow the convention of recording a 1-based index |
| this->addInt(index + 1); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |