src/core/SkRecorder.cpp - skia - Git at Google

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */

 #include "SkBigPicture.h"
 #include "SkPatchUtils.h"
 #include "SkPicture.h"
 #include "SkPictureUtils.h"
 #include "SkRecorder.h"

 SkDrawableList::~SkDrawableList() {
     fArray.unrefAll();
 }

 SkBigPicture::SnapshotArray* SkDrawableList::newDrawableSnapshot() {
     const int count = fArray.count();
     if (0 == count) {
         return NULL;
     }
     SkAutoTMalloc<const SkPicture*> pics(count);
     for (int i = 0; i < count; ++i) {
         pics[i] = fArray[i]->newPictureSnapshot();
     }
     return SkNEW_ARGS(SkBigPicture::SnapshotArray, (pics.detach(), count));
 }

 void SkDrawableList::append(SkDrawable* drawable) {
     *fArray.append() = SkRef(drawable);
 }

 ///////////////////////////////////////////////////////////////////////////////////////////////

 SkRecorder::SkRecorder(SkRecord* record, int width, int height, SkMiniRecorder* mr)
     : SkCanvas(SkIRect::MakeWH(width, height), SkCanvas::kConservativeRasterClip_InitFlag)
     , fApproxBytesUsedBySubPictures(0)
     , fRecord(record)
     , fMiniRecorder(mr) {}

 SkRecorder::SkRecorder(SkRecord* record, const SkRect& bounds, SkMiniRecorder* mr)
     : SkCanvas(bounds.roundOut(), SkCanvas::kConservativeRasterClip_InitFlag)
     , fApproxBytesUsedBySubPictures(0)
     , fRecord(record)
     , fMiniRecorder(mr) {}

 void SkRecorder::reset(SkRecord* record, const SkRect& bounds, SkMiniRecorder* mr) {
     this->forgetRecord();
     fRecord = record;
     this->resetForNextPicture(bounds.roundOut());
     fMiniRecorder = mr;
 }

 void SkRecorder::forgetRecord() {
     fDrawableList.reset(NULL);
     fApproxBytesUsedBySubPictures = 0;
     fRecord = NULL;
 }

 // To make appending to fRecord a little less verbose.
 #define APPEND(T, ...)                                    \
         if (fMiniRecorder) { this->flushMiniRecorder(); } \
         SkNEW_PLACEMENT_ARGS(fRecord->append<SkRecords::T>(), SkRecords::T, (__VA_ARGS__))

 #define TRY_MINIRECORDER(method, ...)                       \
     if (fMiniRecorder && fMiniRecorder->method(__VA_ARGS__)) { return; }

 // For methods which must call back into SkCanvas.
 #define INHERITED(method, ...) this->SkCanvas::method(__VA_ARGS__)

 // The structs we're creating all copy their constructor arguments.  Given the way the SkRecords
 // framework works, sometimes they happen to technically be copied twice, which is fine and elided
 // into a single copy unless the class has a non-trivial copy constructor.  For classes with
 // non-trivial copy constructors, we skip the first copy (and its destruction) by wrapping the value
 // with delay_copy(), forcing the argument to be passed by const&.
 //
 // This is used below for SkBitmap, SkPaint, SkPath, and SkRegion, which all have non-trivial copy
 // constructors and destructors.  You'll know you've got a good candidate T if you see ~T() show up
 // unexpectedly on a profile of record time.  Otherwise don't bother.
 template <typename T>
 class Reference {
 public:
     Reference(const T& x) : fX(x) {}
     operator const T&() const { return fX; }
 private:
     const T& fX;
 };

 template <typename T>
 static Reference<T> delay_copy(const T& x) { return Reference<T>(x); }

 // Use copy() only for optional arguments, to be copied if present or skipped if not.
 // (For most types we just pass by value and let copy constructors do their thing.)
 template <typename T>
 T* SkRecorder::copy(const T* src) {
     if (NULL == src) {
         return NULL;
     }
     return SkNEW_PLACEMENT_ARGS(fRecord->alloc<T>(), T, (*src));
 }

 // This copy() is for arrays.
 // It will work with POD or non-POD, though currently we only use it for POD.
 template <typename T>
 T* SkRecorder::copy(const T src[], size_t count) {
     if (NULL == src) {
         return NULL;
     }
     T* dst = fRecord->alloc<T>(count);
     for (size_t i = 0; i < count; i++) {
         SkNEW_PLACEMENT_ARGS(dst + i, T, (src[i]));
     }
     return dst;
 }

 // Specialization for copying strings, using memcpy.
 // This measured around 2x faster for copying code points,
 // but I found no corresponding speedup for other arrays.
 template <>
 char* SkRecorder::copy(const char src[], size_t count) {
     if (NULL == src) {
         return NULL;
     }
     char* dst = fRecord->alloc<char>(count);
     memcpy(dst, src, count);
     return dst;
 }

 // As above, assuming and copying a terminating \0.
 template <>
 char* SkRecorder::copy(const char* src) {
     return this->copy(src, strlen(src)+1);
 }

 void SkRecorder::flushMiniRecorder() {
     if (fMiniRecorder) {
         SkMiniRecorder* mr = fMiniRecorder;
         fMiniRecorder = nullptr;  // Needs to happen before flushAndReset() or we recurse forever.
         mr->flushAndReset(this);
     }
 }

 void SkRecorder::onDrawPaint(const SkPaint& paint) {
     APPEND(DrawPaint, delay_copy(paint));
 }

 void SkRecorder::onDrawPoints(PointMode mode,
                               size_t count,
                               const SkPoint pts[],
                               const SkPaint& paint) {
     APPEND(DrawPoints, delay_copy(paint), mode, SkToUInt(count), this->copy(pts, count));
 }

 void SkRecorder::onDrawRect(const SkRect& rect, const SkPaint& paint) {
     TRY_MINIRECORDER(drawRect, rect, paint);
     APPEND(DrawRect, delay_copy(paint), rect);
 }

 void SkRecorder::onDrawOval(const SkRect& oval, const SkPaint& paint) {
     APPEND(DrawOval, delay_copy(paint), oval);
 }

 void SkRecorder::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) {
     APPEND(DrawRRect, delay_copy(paint), rrect);
 }

 void SkRecorder::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint) {
     APPEND(DrawDRRect, delay_copy(paint), outer, inner);
 }

 void SkRecorder::onDrawDrawable(SkDrawable* drawable) {
     if (!fDrawableList) {
         fDrawableList.reset(SkNEW(SkDrawableList));
     }
     fDrawableList->append(drawable);
     APPEND(DrawDrawable, drawable->getBounds(), fDrawableList->count() - 1);
 }

 void SkRecorder::onDrawPath(const SkPath& path, const SkPaint& paint) {
     TRY_MINIRECORDER(drawPath, path, paint);
     APPEND(DrawPath, delay_copy(paint), delay_copy(path));
 }

 void SkRecorder::onDrawBitmap(const SkBitmap& bitmap,
                               SkScalar left,
                               SkScalar top,
                               const SkPaint* paint) {
     APPEND(DrawBitmap, this->copy(paint), delay_copy(bitmap), left, top);
 }

 void SkRecorder::onDrawBitmapRect(const SkBitmap& bitmap,
                                   const SkRect* src,
                                   const SkRect& dst,
                                   const SkPaint* paint,
                                   DrawBitmapRectFlags flags) {
     if (kBleed_DrawBitmapRectFlag == flags) {
         APPEND(DrawBitmapRectToRectBleed,
                this->copy(paint), delay_copy(bitmap), this->copy(src), dst);
         return;
     }
     SkASSERT(kNone_DrawBitmapRectFlag == flags);
     APPEND(DrawBitmapRectToRect,
            this->copy(paint), delay_copy(bitmap), this->copy(src), dst);
 }

 void SkRecorder::onDrawBitmapNine(const SkBitmap& bitmap,
                                   const SkIRect& center,
                                   const SkRect& dst,
                                   const SkPaint* paint) {
     APPEND(DrawBitmapNine, this->copy(paint), delay_copy(bitmap), center, dst);
 }

 void SkRecorder::onDrawImage(const SkImage* image, SkScalar left, SkScalar top,
                              const SkPaint* paint) {
     APPEND(DrawImage, this->copy(paint), image, left, top);
 }

 void SkRecorder::onDrawImageRect(const SkImage* image, const SkRect* src,
                                  const SkRect& dst,
                                  const SkPaint* paint) {
     APPEND(DrawImageRect, this->copy(paint), image, this->copy(src), dst);
 }

 void SkRecorder::onDrawSprite(const SkBitmap& bitmap, int left, int top, const SkPaint* paint) {
     APPEND(DrawSprite, this->copy(paint), delay_copy(bitmap), left, top);
 }

 void SkRecorder::onDrawText(const void* text, size_t byteLength,
                             SkScalar x, SkScalar y, const SkPaint& paint) {
     APPEND(DrawText,
            delay_copy(paint), this->copy((const char*)text, byteLength), byteLength, x, y);
 }

 void SkRecorder::onDrawPosText(const void* text, size_t byteLength,
                                const SkPoint pos[], const SkPaint& paint) {
     const unsigned points = paint.countText(text, byteLength);
     APPEND(DrawPosText,
            delay_copy(paint),
            this->copy((const char*)text, byteLength),
            byteLength,
            this->copy(pos, points));
 }

 void SkRecorder::onDrawPosTextH(const void* text, size_t byteLength,
                                 const SkScalar xpos[], SkScalar constY, const SkPaint& paint) {
     const unsigned points = paint.countText(text, byteLength);
     APPEND(DrawPosTextH,
            delay_copy(paint),
            this->copy((const char*)text, byteLength),
            SkToUInt(byteLength),
            constY,
            this->copy(xpos, points));
 }

 void SkRecorder::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
                                   const SkMatrix* matrix, const SkPaint& paint) {
     APPEND(DrawTextOnPath,
            delay_copy(paint),
            this->copy((const char*)text, byteLength),
            byteLength,
            delay_copy(path),
            matrix ? *matrix : SkMatrix::I());
 }

 void SkRecorder::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
                                 const SkPaint& paint) {
     TRY_MINIRECORDER(drawTextBlob, blob, x, y, paint);
     APPEND(DrawTextBlob, delay_copy(paint), blob, x, y);
 }

 void SkRecorder::onDrawPicture(const SkPicture* pic, const SkMatrix* matrix, const SkPaint* paint) {
     fApproxBytesUsedBySubPictures += SkPictureUtils::ApproximateBytesUsed(pic);
     APPEND(DrawPicture, this->copy(paint), pic, matrix ? *matrix : SkMatrix::I());
 }

 void SkRecorder::onDrawVertices(VertexMode vmode,
                                 int vertexCount, const SkPoint vertices[],
                                 const SkPoint texs[], const SkColor colors[],
                                 SkXfermode* xmode,
                                 const uint16_t indices[], int indexCount, const SkPaint& paint) {
     APPEND(DrawVertices, delay_copy(paint),
                          vmode,
                          vertexCount,
                          this->copy(vertices, vertexCount),
                          texs ? this->copy(texs, vertexCount) : NULL,
                          colors ? this->copy(colors, vertexCount) : NULL,
                          xmode,
                          this->copy(indices, indexCount),
                          indexCount);
 }

 void SkRecorder::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
                              const SkPoint texCoords[4], SkXfermode* xmode, const SkPaint& paint) {
     APPEND(DrawPatch, delay_copy(paint),
            cubics ? this->copy(cubics, SkPatchUtils::kNumCtrlPts) : NULL,
            colors ? this->copy(colors, SkPatchUtils::kNumCorners) : NULL,
            texCoords ? this->copy(texCoords, SkPatchUtils::kNumCorners) : NULL,
            xmode);
 }

 void SkRecorder::willSave() {
     APPEND(Save);
 }

 SkCanvas::SaveLayerStrategy SkRecorder::willSaveLayer(const SkRect* bounds,
                                                       const SkPaint* paint,
                                                       SkCanvas::SaveFlags flags) {
     APPEND(SaveLayer, this->copy(bounds), this->copy(paint), flags);
     return SkCanvas::kNoLayer_SaveLayerStrategy;
 }

 void SkRecorder::didRestore() {
     APPEND(Restore, this->devBounds(), this->getTotalMatrix());
 }

 void SkRecorder::didConcat(const SkMatrix& matrix) {
     this->didSetMatrix(this->getTotalMatrix());
 }

 void SkRecorder::didSetMatrix(const SkMatrix& matrix) {
     SkDEVCODE(if (matrix != this->getTotalMatrix()) {
         matrix.dump();
         this->getTotalMatrix().dump();
         SkASSERT(matrix == this->getTotalMatrix());
     })
     APPEND(SetMatrix, matrix);
 }

 void SkRecorder::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
     INHERITED(onClipRect, rect, op, edgeStyle);
     SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
     APPEND(ClipRect, this->devBounds(), rect, opAA);
 }

 void SkRecorder::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
     INHERITED(onClipRRect, rrect, op, edgeStyle);
     SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
     APPEND(ClipRRect, this->devBounds(), rrect, opAA);
 }

 void SkRecorder::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
     INHERITED(onClipPath, path, op, edgeStyle);
     SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
     APPEND(ClipPath, this->devBounds(), delay_copy(path), opAA);
 }

 void SkRecorder::onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) {
     INHERITED(onClipRegion, deviceRgn, op);
     APPEND(ClipRegion, this->devBounds(), delay_copy(deviceRgn), op);
 }

 void SkRecorder::beginCommentGroup(const char* description) {
     APPEND(BeginCommentGroup, this->copy(description));
 }

 void SkRecorder::addComment(const char* key, const char* value) {
     APPEND(AddComment, this->copy(key), this->copy(value));
 }

 void SkRecorder::endCommentGroup() {
     APPEND(EndCommentGroup);
 }
	/*
	* Copyright 2014 Google Inc.
	*
	* Use of this source code is governed by a BSD-style license that can be
	* found in the LICENSE file.
	*/

	#include "SkBigPicture.h"
	#include "SkPatchUtils.h"
	#include "SkPicture.h"
	#include "SkPictureUtils.h"
	#include "SkRecorder.h"

	SkDrawableList::~SkDrawableList() {
	fArray.unrefAll();
	}

	SkBigPicture::SnapshotArray* SkDrawableList::newDrawableSnapshot() {
	const int count = fArray.count();
	if (0 == count) {
	return NULL;
	}
	SkAutoTMalloc<const SkPicture*> pics(count);
	for (int i = 0; i < count; ++i) {
	pics[i] = fArray[i]->newPictureSnapshot();
	}
	return SkNEW_ARGS(SkBigPicture::SnapshotArray, (pics.detach(), count));
	}

	void SkDrawableList::append(SkDrawable* drawable) {
	*fArray.append() = SkRef(drawable);
	}

	///////////////////////////////////////////////////////////////////////////////////////////////

	SkRecorder::SkRecorder(SkRecord* record, int width, int height, SkMiniRecorder* mr)
	: SkCanvas(SkIRect::MakeWH(width, height), SkCanvas::kConservativeRasterClip_InitFlag)
	, fApproxBytesUsedBySubPictures(0)
	, fRecord(record)
	, fMiniRecorder(mr) {}

	SkRecorder::SkRecorder(SkRecord* record, const SkRect& bounds, SkMiniRecorder* mr)
	: SkCanvas(bounds.roundOut(), SkCanvas::kConservativeRasterClip_InitFlag)
	, fApproxBytesUsedBySubPictures(0)
	, fRecord(record)
	, fMiniRecorder(mr) {}

	void SkRecorder::reset(SkRecord* record, const SkRect& bounds, SkMiniRecorder* mr) {
	this->forgetRecord();
	fRecord = record;
	this->resetForNextPicture(bounds.roundOut());
	fMiniRecorder = mr;
	}

	void SkRecorder::forgetRecord() {
	fDrawableList.reset(NULL);
	fApproxBytesUsedBySubPictures = 0;
	fRecord = NULL;
	}

	// To make appending to fRecord a little less verbose.
	#define APPEND(T, ...) \
	if (fMiniRecorder) { this->flushMiniRecorder(); } \
	SkNEW_PLACEMENT_ARGS(fRecord->append<SkRecords::T>(), SkRecords::T, (__VA_ARGS__))

	#define TRY_MINIRECORDER(method, ...) \
	if (fMiniRecorder && fMiniRecorder->method(__VA_ARGS__)) { return; }

	// For methods which must call back into SkCanvas.
	#define INHERITED(method, ...) this->SkCanvas::method(__VA_ARGS__)

	// The structs we're creating all copy their constructor arguments. Given the way the SkRecords
	// framework works, sometimes they happen to technically be copied twice, which is fine and elided
	// into a single copy unless the class has a non-trivial copy constructor. For classes with
	// non-trivial copy constructors, we skip the first copy (and its destruction) by wrapping the value
	// with delay_copy(), forcing the argument to be passed by const&.
	//
	// This is used below for SkBitmap, SkPaint, SkPath, and SkRegion, which all have non-trivial copy
	// constructors and destructors. You'll know you've got a good candidate T if you see ~T() show up
	// unexpectedly on a profile of record time. Otherwise don't bother.
	template <typename T>
	class Reference {
	public:
	Reference(const T& x) : fX(x) {}
	operator const T&() const { return fX; }
	private:
	const T& fX;
	};

	template <typename T>
	static Reference<T> delay_copy(const T& x) { return Reference<T>(x); }

	// Use copy() only for optional arguments, to be copied if present or skipped if not.
	// (For most types we just pass by value and let copy constructors do their thing.)
	template <typename T>
	T* SkRecorder::copy(const T* src) {
	if (NULL == src) {
	return NULL;
	}
	return SkNEW_PLACEMENT_ARGS(fRecord->alloc<T>(), T, (*src));
	}

	// This copy() is for arrays.
	// It will work with POD or non-POD, though currently we only use it for POD.
	template <typename T>
	T* SkRecorder::copy(const T src[], size_t count) {
	if (NULL == src) {
	return NULL;
	}
	T* dst = fRecord->alloc<T>(count);
	for (size_t i = 0; i < count; i++) {
	SkNEW_PLACEMENT_ARGS(dst + i, T, (src[i]));
	}
	return dst;
	}

	// Specialization for copying strings, using memcpy.
	// This measured around 2x faster for copying code points,
	// but I found no corresponding speedup for other arrays.
	template <>
	char* SkRecorder::copy(const char src[], size_t count) {
	if (NULL == src) {
	return NULL;
	}
	char* dst = fRecord->alloc<char>(count);
	memcpy(dst, src, count);
	return dst;
	}

	// As above, assuming and copying a terminating \0.
	template <>
	char* SkRecorder::copy(const char* src) {
	return this->copy(src, strlen(src)+1);
	}

	void SkRecorder::flushMiniRecorder() {
	if (fMiniRecorder) {
	SkMiniRecorder* mr = fMiniRecorder;
	fMiniRecorder = nullptr; // Needs to happen before flushAndReset() or we recurse forever.
	mr->flushAndReset(this);
	}
	}

	void SkRecorder::onDrawPaint(const SkPaint& paint) {
	APPEND(DrawPaint, delay_copy(paint));
	}

	void SkRecorder::onDrawPoints(PointMode mode,
	size_t count,
	const SkPoint pts[],
	const SkPaint& paint) {
	APPEND(DrawPoints, delay_copy(paint), mode, SkToUInt(count), this->copy(pts, count));
	}

	void SkRecorder::onDrawRect(const SkRect& rect, const SkPaint& paint) {
	TRY_MINIRECORDER(drawRect, rect, paint);
	APPEND(DrawRect, delay_copy(paint), rect);
	}

	void SkRecorder::onDrawOval(const SkRect& oval, const SkPaint& paint) {
	APPEND(DrawOval, delay_copy(paint), oval);
	}

	void SkRecorder::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) {
	APPEND(DrawRRect, delay_copy(paint), rrect);
	}

	void SkRecorder::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint) {
	APPEND(DrawDRRect, delay_copy(paint), outer, inner);
	}

	void SkRecorder::onDrawDrawable(SkDrawable* drawable) {
	if (!fDrawableList) {
	fDrawableList.reset(SkNEW(SkDrawableList));
	}
	fDrawableList->append(drawable);
	APPEND(DrawDrawable, drawable->getBounds(), fDrawableList->count() - 1);
	}

	void SkRecorder::onDrawPath(const SkPath& path, const SkPaint& paint) {
	TRY_MINIRECORDER(drawPath, path, paint);
	APPEND(DrawPath, delay_copy(paint), delay_copy(path));
	}

	void SkRecorder::onDrawBitmap(const SkBitmap& bitmap,
	SkScalar left,
	SkScalar top,
	const SkPaint* paint) {
	APPEND(DrawBitmap, this->copy(paint), delay_copy(bitmap), left, top);
	}

	void SkRecorder::onDrawBitmapRect(const SkBitmap& bitmap,
	const SkRect* src,
	const SkRect& dst,
	const SkPaint* paint,
	DrawBitmapRectFlags flags) {
	if (kBleed_DrawBitmapRectFlag == flags) {
	APPEND(DrawBitmapRectToRectBleed,
	this->copy(paint), delay_copy(bitmap), this->copy(src), dst);
	return;
	}
	SkASSERT(kNone_DrawBitmapRectFlag == flags);
	APPEND(DrawBitmapRectToRect,
	this->copy(paint), delay_copy(bitmap), this->copy(src), dst);
	}

	void SkRecorder::onDrawBitmapNine(const SkBitmap& bitmap,
	const SkIRect& center,
	const SkRect& dst,
	const SkPaint* paint) {
	APPEND(DrawBitmapNine, this->copy(paint), delay_copy(bitmap), center, dst);
	}

	void SkRecorder::onDrawImage(const SkImage* image, SkScalar left, SkScalar top,
	const SkPaint* paint) {
	APPEND(DrawImage, this->copy(paint), image, left, top);
	}

	void SkRecorder::onDrawImageRect(const SkImage* image, const SkRect* src,
	const SkRect& dst,
	const SkPaint* paint) {
	APPEND(DrawImageRect, this->copy(paint), image, this->copy(src), dst);
	}

	void SkRecorder::onDrawSprite(const SkBitmap& bitmap, int left, int top, const SkPaint* paint) {
	APPEND(DrawSprite, this->copy(paint), delay_copy(bitmap), left, top);
	}

	void SkRecorder::onDrawText(const void* text, size_t byteLength,
	SkScalar x, SkScalar y, const SkPaint& paint) {
	APPEND(DrawText,
	delay_copy(paint), this->copy((const char*)text, byteLength), byteLength, x, y);
	}

	void SkRecorder::onDrawPosText(const void* text, size_t byteLength,
	const SkPoint pos[], const SkPaint& paint) {
	const unsigned points = paint.countText(text, byteLength);
	APPEND(DrawPosText,
	delay_copy(paint),
	this->copy((const char*)text, byteLength),
	byteLength,
	this->copy(pos, points));
	}

	void SkRecorder::onDrawPosTextH(const void* text, size_t byteLength,
	const SkScalar xpos[], SkScalar constY, const SkPaint& paint) {
	const unsigned points = paint.countText(text, byteLength);
	APPEND(DrawPosTextH,
	delay_copy(paint),
	this->copy((const char*)text, byteLength),
	SkToUInt(byteLength),
	constY,
	this->copy(xpos, points));
	}

	void SkRecorder::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
	const SkMatrix* matrix, const SkPaint& paint) {
	APPEND(DrawTextOnPath,
	delay_copy(paint),
	this->copy((const char*)text, byteLength),
	byteLength,
	delay_copy(path),
	matrix ? *matrix : SkMatrix::I());
	}

	void SkRecorder::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
	const SkPaint& paint) {
	TRY_MINIRECORDER(drawTextBlob, blob, x, y, paint);
	APPEND(DrawTextBlob, delay_copy(paint), blob, x, y);
	}

	void SkRecorder::onDrawPicture(const SkPicture* pic, const SkMatrix* matrix, const SkPaint* paint) {
	fApproxBytesUsedBySubPictures += SkPictureUtils::ApproximateBytesUsed(pic);
	APPEND(DrawPicture, this->copy(paint), pic, matrix ? *matrix : SkMatrix::I());
	}

	void SkRecorder::onDrawVertices(VertexMode vmode,
	int vertexCount, const SkPoint vertices[],
	const SkPoint texs[], const SkColor colors[],
	SkXfermode* xmode,
	const uint16_t indices[], int indexCount, const SkPaint& paint) {
	APPEND(DrawVertices, delay_copy(paint),
	vmode,
	vertexCount,
	this->copy(vertices, vertexCount),
	texs ? this->copy(texs, vertexCount) : NULL,
	colors ? this->copy(colors, vertexCount) : NULL,
	xmode,
	this->copy(indices, indexCount),
	indexCount);
	}

	void SkRecorder::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
	const SkPoint texCoords[4], SkXfermode* xmode, const SkPaint& paint) {
	APPEND(DrawPatch, delay_copy(paint),
	cubics ? this->copy(cubics, SkPatchUtils::kNumCtrlPts) : NULL,
	colors ? this->copy(colors, SkPatchUtils::kNumCorners) : NULL,
	texCoords ? this->copy(texCoords, SkPatchUtils::kNumCorners) : NULL,
	xmode);
	}

	void SkRecorder::willSave() {
	APPEND(Save);
	}

	SkCanvas::SaveLayerStrategy SkRecorder::willSaveLayer(const SkRect* bounds,
	const SkPaint* paint,
	SkCanvas::SaveFlags flags) {
	APPEND(SaveLayer, this->copy(bounds), this->copy(paint), flags);
	return SkCanvas::kNoLayer_SaveLayerStrategy;
	}

	void SkRecorder::didRestore() {
	APPEND(Restore, this->devBounds(), this->getTotalMatrix());
	}

	void SkRecorder::didConcat(const SkMatrix& matrix) {
	this->didSetMatrix(this->getTotalMatrix());
	}

	void SkRecorder::didSetMatrix(const SkMatrix& matrix) {
	SkDEVCODE(if (matrix != this->getTotalMatrix()) {
	matrix.dump();
	this->getTotalMatrix().dump();
	SkASSERT(matrix == this->getTotalMatrix());
	})
	APPEND(SetMatrix, matrix);
	}

	void SkRecorder::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
	INHERITED(onClipRect, rect, op, edgeStyle);
	SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
	APPEND(ClipRect, this->devBounds(), rect, opAA);
	}

	void SkRecorder::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
	INHERITED(onClipRRect, rrect, op, edgeStyle);
	SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
	APPEND(ClipRRect, this->devBounds(), rrect, opAA);
	}

	void SkRecorder::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
	INHERITED(onClipPath, path, op, edgeStyle);
	SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
	APPEND(ClipPath, this->devBounds(), delay_copy(path), opAA);
	}

	void SkRecorder::onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) {
	INHERITED(onClipRegion, deviceRgn, op);
	APPEND(ClipRegion, this->devBounds(), delay_copy(deviceRgn), op);
	}

	void SkRecorder::beginCommentGroup(const char* description) {
	APPEND(BeginCommentGroup, this->copy(description));
	}

	void SkRecorder::addComment(const char* key, const char* value) {
	APPEND(AddComment, this->copy(key), this->copy(value));
	}

	void SkRecorder::endCommentGroup() {
	APPEND(EndCommentGroup);
	}