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Move annotations to canvas virtual (patchset #8 id:140001 of https://codereview.chromium.org/1744103002/ )"

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Need to land chrome change first https://codereview.chromium.org/1766723003/

BUG=skia:
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Review URL: https://codereview.chromium.org/1758023003
This commit is contained in:
reed 2016-03-04 16:36:20 -08:00 committed by Commit bot
parent e77875aa42
commit f70b531daa
34 changed files with 333 additions and 253 deletions
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80
include/core/SkAnnotation.h
View File

@ -1,3 +1,4 @@
/*
* Copyright 2012 Google Inc.
*
@ -8,83 +9,21 @@
#ifndef SkAnnotation_DEFINED
#define SkAnnotation_DEFINED
#include "SkRefCnt.h"
#include "SkString.h"
#include "SkTypes.h"
// for chrome in PrintContextTest.cpp
#define SK_SUPPORT_NEW_ANNOTATION_CANVAS_VIRTUAL
class SkData;
class SkReadBuffer;
class SkWriteBuffer;
struct SkPoint;
/**
* Experimental class for annotating draws. Do not use directly yet.
* Use helper functions at the bottom of this file for now.
*/
class SkAnnotation : public SkRefCnt {
public:
virtual ~SkAnnotation();
static SkAnnotation* Create(const char key[], SkData* value) {
return new SkAnnotation(key, value);
}
static SkAnnotation* Create(SkReadBuffer& buffer) { return new SkAnnotation(buffer); }
/**
* Return the data for the specified key, or NULL.
*/
SkData* find(const char key[]) const;
void writeToBuffer(SkWriteBuffer&) const;
private:
SkAnnotation(const char key[], SkData* value);
SkAnnotation(SkReadBuffer&);
SkString fKey;
SkData* fData;
typedef SkRefCnt INHERITED;
};
/**
* Experimental collection of predefined Keys into the Annotation dictionary
*/
class SkAnnotationKeys {
public:
/**
* Returns the canonical key whose payload is a URL
*/
static const char* URL_Key();
/**
* Returns the canonical key whose payload is the name of a destination to
* be defined.
*/
static const char* Define_Named_Dest_Key();
/**
* Returns the canonical key whose payload is the name of a destination to
* be linked to.
*/
static const char* Link_Named_Dest_Key();
};
///////////////////////////////////////////////////////////////////////////////
//
// Experimental helper functions to use Annotations
//
struct SkRect;
class SkCanvas;
/**
* Experimental!
*
* Annotate the canvas by associating the specified URL with the
* specified rectangle (in local coordinates, just like drawRect). If the
* backend of this canvas does not support annotations, this call is
* specified rectangle (in local coordinates, just like drawRect).
*
* If the backend of this canvas does not support annotations, this call is
* safely ignored.
*
* The caller is responsible for managing its ownership of the SkData.
@ -92,8 +31,6 @@ class SkCanvas;
SK_API void SkAnnotateRectWithURL(SkCanvas*, const SkRect&, SkData*);
/**
* Experimental!
*
* Annotate the canvas by associating a name with the specified point.
*
* If the backend of this canvas does not support annotations, this call is
@ -104,8 +41,6 @@ SK_API void SkAnnotateRectWithURL(SkCanvas*, const SkRect&, SkData*);
SK_API void SkAnnotateNamedDestination(SkCanvas*, const SkPoint&, SkData*);
/**
* Experimental!
*
* Annotate the canvas by making the specified rectangle link to a named
* destination.
*
@ -116,5 +51,4 @@ SK_API void SkAnnotateNamedDestination(SkCanvas*, const SkPoint&, SkData*);
*/
SK_API void SkAnnotateLinkToDestination(SkCanvas*, const SkRect&, SkData*);
#endif

14
include/core/SkCanvas.h
View File

@ -22,6 +22,7 @@ class GrRenderTarget;
class SkBaseDevice;
class SkCanvasClipVisitor;
class SkClipStack;
class SkData;
class SkDraw;
class SkDrawable;
class SkDrawFilter;
@ -1072,6 +1073,18 @@ public:
void drawDrawable(SkDrawable* drawable, const SkMatrix* = NULL);
void drawDrawable(SkDrawable*, SkScalar x, SkScalar y);
/**
* Send an "annotation" to the canvas. The annotation is a key/value pair, where the key is
* a null-terminated utf8 string, and the value is a blob of data stored in an SkData
* (which may be null). The annotation is associated with the specified rectangle.
*
* The caller still retains its ownership of the data (if any).
*
* Note: on may canvas types, this information is ignored, but some canvases (e.g. recording
* a picture or drawing to a PDF document) will pass on this information.
*/
void drawAnnotation(const SkRect&, const char key[], SkData* value);
//////////////////////////////////////////////////////////////////////////
#ifdef SK_INTERNAL
#ifndef SK_SUPPORT_LEGACY_DRAWFILTER
@ -1221,6 +1234,7 @@ protected:
virtual void didConcat(const SkMatrix&) {}
virtual void didSetMatrix(const SkMatrix&) {}
virtual void onDrawAnnotation(const SkRect&, const char key[], SkData* value);
virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&);
virtual void onDrawText(const void* text, size_t byteLength, SkScalar x,

2
include/core/SkDevice.h
View File

@ -252,6 +252,8 @@ protected:
virtual void drawAtlas(const SkDraw&, const SkImage* atlas, const SkRSXform[], const SkRect[],
const SkColor[], int count, SkXfermode::Mode, const SkPaint&);
virtual void drawAnnotation(const SkDraw&, const SkRect&, const char[], SkData*) {}
/** The SkDevice passed will be an SkDevice which was returned by a call to
onCreateDevice on this device with kNeverTile_TileExpectation.
*/

5
include/core/SkPaint.h
View File

@ -13,7 +13,6 @@
#include "SkMatrix.h"
#include "SkXfermode.h"
class SkAnnotation;
class SkAutoDescriptor;
class SkAutoGlyphCache;
class SkColorFilter;
@ -625,9 +624,6 @@ public:
SkImageFilter* getImageFilter() const { return fImageFilter; }
SkImageFilter* setImageFilter(SkImageFilter*);
SkAnnotation* getAnnotation() const { return fAnnotation; }
SkAnnotation* setAnnotation(SkAnnotation*);
/**
* Return the paint's SkDrawLooper (if any). Does not affect the looper's
* reference count.
@ -1039,7 +1035,6 @@ private:
SkRasterizer* fRasterizer;
SkDrawLooper* fLooper;
SkImageFilter* fImageFilter;
SkAnnotation* fAnnotation;
SkScalar fTextSize;
SkScalar fTextScaleX;

5
include/core/SkPicture.h
View File

@ -192,10 +192,11 @@ private:
// V41: Added serialization of SkBitmapSource's filterQuality parameter
// V42: Added a bool to SkPictureShader serialization to indicate did-we-serialize-a-picture?
// V43: Added DRAW_IMAGE and DRAW_IMAGE_RECT opt codes to serialized data
// V44: Move annotations from paint to drawAnnotation
// Only SKPs within the min/current picture version range (inclusive) can be read.
static const uint32_t MIN_PICTURE_VERSION = 35; // Produced by Chrome M39.
static const uint32_t CURRENT_PICTURE_VERSION = 43;
static const uint32_t CURRENT_PICTURE_VERSION = 44;
static_assert(MIN_PICTURE_VERSION <= 41,
"Remove kFontFileName and related code from SkFontDescriptor.cpp.");
@ -205,7 +206,7 @@ private:
static_assert(MIN_PICTURE_VERSION <= 43,
"Remove SkBitmapSourceDeserializer.");
static bool IsValidPictInfo(const SkPictInfo& info);
static SkPicture* Forwardport(const SkPictInfo&, const SkPictureData*);

12
include/core/SkWriter32.h
View File

@ -206,6 +206,18 @@ public:
*/
static size_t WriteStringSize(const char* str, size_t len = (size_t)-1);
void writeData(const SkData* data) {
uint32_t len = data ? SkToU32(data->size()) : 0;
this->write32(len);
if (data) {
this->writePad(data->data(), len);
}
}
static size_t WriteDataSize(const SkData* data) {
return 4 + SkAlign4(data ? data->size() : 0);
}
/**
* Move the cursor back to offset bytes from the beginning.
* offset must be a multiple of 4 no greater than size().

10
include/private/SkRecords.h
View File

@ -8,6 +8,7 @@
#ifndef SkRecords_DEFINED
#define SkRecords_DEFINED
#include "SkData.h"
#include "SkCanvas.h"
#include "SkDrawable.h"
#include "SkImageFilter.h"
@ -17,6 +18,7 @@
#include "SkRect.h"
#include "SkRRect.h"
#include "SkRSXform.h"
#include "SkString.h"
#include "SkTextBlob.h"
namespace SkRecords {
@ -66,7 +68,8 @@ namespace SkRecords {
M(DrawRect) \
M(DrawTextBlob) \
M(DrawAtlas) \
M(DrawVertices)
M(DrawVertices) \
M(DrawAnnotation)
// Defines SkRecords::Type, an enum of all record types.
#define ENUM(T) T##_Type,
@ -358,7 +361,10 @@ RECORD(DrawVertices, kDraw_Tag,
RefBox<SkXfermode> xmode;
PODArray<uint16_t> indices;
int indexCount);
RECORD(DrawAnnotation, 0,
SkRect rect;
SkString key;
RefBox<SkData> value);
#undef RECORD
} // namespace SkRecords

2
include/utils/SkDumpCanvas.h
View File

@ -48,6 +48,7 @@ public:
kDrawVertices_Verb,
kDrawPatch_Verb,
kDrawData_Verb, // obsolete
kDrawAnnotation_Verb,
kCull_Verb
};
@ -120,6 +121,7 @@ protected:
void onClipRegion(const SkRegion&, SkRegion::Op) override;
void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
void onDrawAnnotation(const SkRect&, const char key[], SkData* value) override;
static const char* EdgeStyleToAAString(ClipEdgeStyle edgeStyle);

1
include/utils/SkNWayCanvas.h
View File

@ -79,6 +79,7 @@ protected:
void onClipRegion(const SkRegion&, SkRegion::Op) override;
void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
void onDrawAnnotation(const SkRect&, const char[], SkData*) override;
class Iter;

4
samplecode/SampleFilterFuzz.cpp
View File

@ -9,7 +9,6 @@
#include "Sk2DPathEffect.h"
#include "SkAlphaThresholdFilter.h"
#include "SkArcToPathEffect.h"
#include "SkAnnotation.h"
#include "SkBlurImageFilter.h"
#include "SkBlurMaskFilter.h"
#include "SkCanvas.h"
@ -545,9 +544,6 @@ static SkPaint make_paint() {
paint.setRasterizer(rasterizer);
paint.setImageFilter(make_image_filter());
SkAutoDataUnref data(make_3Dlut(nullptr, make_bool(), make_bool(), make_bool()));
SkAutoTUnref<SkAnnotation> annotation(
SkAnnotation::Create(make_string().c_str(), data));
paint.setAnnotation(annotation);
paint.setTextAlign(make_paint_align());
paint.setTextSize(make_scalar());
paint.setTextScaleX(make_scalar());

55
src/core/SkAnnotation.cpp
View File

@ -6,38 +6,10 @@
*/
#include "SkAnnotation.h"
#include "SkData.h"
#include "SkPaint.h"
#include "SkAnnotationKeys.h"
#include "SkCanvas.h"
#include "SkPoint.h"
#include "SkReadBuffer.h"
#include "SkWriteBuffer.h"
SkAnnotation::SkAnnotation(const char key[], SkData* value) : fKey(key) {
if (nullptr == value) {
value = SkData::NewEmpty();
} else {
value->ref();
}
fData = value;
}
SkAnnotation::~SkAnnotation() {
fData->unref();
}
SkData* SkAnnotation::find(const char key[]) const {
return fKey.equals(key) ? fData : nullptr;
}
SkAnnotation::SkAnnotation(SkReadBuffer& buffer) {
buffer.readString(&fKey);
fData = buffer.readByteArrayAsData();
}
void SkAnnotation::writeToBuffer(SkWriteBuffer& buffer) const {
buffer.writeString(fKey.c_str());
buffer.writeDataAsByteArray(fData);
}
#include "SkRect.h"
const char* SkAnnotationKeys::URL_Key() {
return "SkAnnotationKey_URL";
@ -51,37 +23,26 @@ const char* SkAnnotationKeys::Link_Named_Dest_Key() {
return "SkAnnotationKey_Link_Named_Dest";
};
///////////////////////////////////////////////////////////////////////////////
#include "SkCanvas.h"
static void annotate_paint(SkPaint& paint, const char* key, SkData* value) {
paint.setAnnotation(SkAnnotation::Create(key, value))->unref();
}
//////////////////////////////////////////////////////////////////////////////////////////////////
void SkAnnotateRectWithURL(SkCanvas* canvas, const SkRect& rect, SkData* value) {
if (nullptr == value) {
return;
}
SkPaint paint;
annotate_paint(paint, SkAnnotationKeys::URL_Key(), value);
canvas->drawRect(rect, paint);
canvas->drawAnnotation(rect, SkAnnotationKeys::URL_Key(), value);
}
void SkAnnotateNamedDestination(SkCanvas* canvas, const SkPoint& point, SkData* name) {
if (nullptr == name) {
return;
}
SkPaint paint;
annotate_paint(paint, SkAnnotationKeys::Define_Named_Dest_Key(), name);
canvas->drawPoint(point.x(), point.y(), paint);
const SkRect rect = SkRect::MakeXYWH(point.x(), point.y(), 0, 0);
canvas->drawAnnotation(rect, SkAnnotationKeys::Define_Named_Dest_Key(), name);
}
void SkAnnotateLinkToDestination(SkCanvas* canvas, const SkRect& rect, SkData* name) {
if (nullptr == name) {
return;
}
SkPaint paint;
annotate_paint(paint, SkAnnotationKeys::Link_Named_Dest_Key(), name);
canvas->drawRect(rect, paint);
canvas->drawAnnotation(rect, SkAnnotationKeys::Link_Named_Dest_Key(), name);
}

33
src/core/SkAnnotationKeys.h Normal file
View File

@ -0,0 +1,33 @@
/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkAnnotationKeys_DEFINED
#define SkAnnotationKeys_DEFINED
#include "SkTypes.h"
class SkAnnotationKeys {
public:
/**
* Returns the canonical key whose payload is a URL
*/
static const char* URL_Key();
/**
* Returns the canonical key whose payload is the name of a destination to
* be defined.
*/
static const char* Define_Named_Dest_Key();
/**
* Returns the canonical key whose payload is the name of a destination to
* be linked to.
*/
static const char* Link_Named_Dest_Key();
};
#endif

10
src/core/SkBitmapDevice.cpp
View File

@ -20,9 +20,6 @@
class SkColorTable;
#define CHECK_FOR_ANNOTATION(paint) \
do { if (paint.getAnnotation()) { return; } } while (0)
static bool valid_for_bitmap_device(const SkImageInfo& info,
SkAlphaType* newAlphaType) {
if (info.width() < 0 || info.height() < 0) {
@ -204,18 +201,14 @@ void SkBitmapDevice::drawPaint(const SkDraw& draw, const SkPaint& paint) {
void SkBitmapDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode, size_t count,
const SkPoint pts[], const SkPaint& paint) {
CHECK_FOR_ANNOTATION(paint);
draw.drawPoints(mode, count, pts, paint);
}
void SkBitmapDevice::drawRect(const SkDraw& draw, const SkRect& r, const SkPaint& paint) {
CHECK_FOR_ANNOTATION(paint);
draw.drawRect(r, paint);
}
void SkBitmapDevice::drawOval(const SkDraw& draw, const SkRect& oval, const SkPaint& paint) {
CHECK_FOR_ANNOTATION(paint);
SkPath path;
path.addOval(oval);
// call the VIRTUAL version, so any subclasses who do handle drawPath aren't
@ -224,8 +217,6 @@ void SkBitmapDevice::drawOval(const SkDraw& draw, const SkRect& oval, const SkPa
}
void SkBitmapDevice::drawRRect(const SkDraw& draw, const SkRRect& rrect, const SkPaint& paint) {
CHECK_FOR_ANNOTATION(paint);
#ifdef SK_IGNORE_BLURRED_RRECT_OPT
SkPath path;
@ -241,7 +232,6 @@ void SkBitmapDevice::drawRRect(const SkDraw& draw, const SkRRect& rrect, const S
void SkBitmapDevice::drawPath(const SkDraw& draw, const SkPath& path,
const SkPaint& paint, const SkMatrix* prePathMatrix,
bool pathIsMutable) {
CHECK_FOR_ANNOTATION(paint);
draw.drawPath(path, paint, prePathMatrix, pathIsMutable);
}

17
src/core/SkCanvas.cpp
View File

@ -1973,6 +1973,12 @@ void SkCanvas::drawAtlas(const SkImage* atlas, const SkRSXform xform[], const Sk
this->onDrawAtlas(atlas, xform, tex, colors, count, mode, cull, paint);
}
void SkCanvas::drawAnnotation(const SkRect& rect, const char key[], SkData* value) {
if (key) {
this->onDrawAnnotation(rect, key, value);
}
}
void SkCanvas::legacy_drawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
const SkPaint* paint, SrcRectConstraint constraint) {
if (src) {
@ -2725,6 +2731,17 @@ void SkCanvas::onDrawAtlas(const SkImage* atlas, const SkRSXform xform[], const
LOOPER_END
}
void SkCanvas::onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) {
SkASSERT(key);
SkPaint paint;
LOOPER_BEGIN(paint, SkDrawFilter::kRect_Type, nullptr)
while (iter.next()) {
iter.fDevice->drawAnnotation(iter, rect, key, value);
}
LOOPER_END
}
//////////////////////////////////////////////////////////////////////////////
// These methods are NOT virtual, and therefore must call back into virtual
// methods, rather than actually drawing themselves.

39
src/core/SkPaint.cpp
View File

@ -6,7 +6,6 @@
*/
#include "SkPaint.h"
#include "SkAnnotation.h"
#include "SkAutoKern.h"
#include "SkChecksum.h"
#include "SkColorFilter.h"
@ -54,7 +53,6 @@ SkPaint::SkPaint() {
fRasterizer = nullptr;
fLooper = nullptr;
fImageFilter = nullptr;
fAnnotation = nullptr;
fTextSize = SkPaintDefaults_TextSize;
fTextScaleX = SK_Scalar1;
@ -87,7 +85,6 @@ SkPaint::SkPaint(const SkPaint& src) {
REF_COPY(fRasterizer);
REF_COPY(fLooper);
REF_COPY(fImageFilter);
REF_COPY(fAnnotation);
COPY(fTextSize);
COPY(fTextScaleX);
@ -114,7 +111,6 @@ SkPaint::SkPaint(SkPaint&& src) {
REF_MOVE(fRasterizer);
REF_MOVE(fLooper);
REF_MOVE(fImageFilter);
REF_MOVE(fAnnotation);
MOVE(fTextSize);
MOVE(fTextScaleX);
@ -138,7 +134,6 @@ SkPaint::~SkPaint() {
SkSafeUnref(fRasterizer);
SkSafeUnref(fLooper);
SkSafeUnref(fImageFilter);
SkSafeUnref(fAnnotation);
}
SkPaint& SkPaint::operator=(const SkPaint& src) {
@ -158,7 +153,6 @@ SkPaint& SkPaint::operator=(const SkPaint& src) {
REF_COPY(fRasterizer);
REF_COPY(fLooper);
REF_COPY(fImageFilter);
REF_COPY(fAnnotation);
COPY(fTextSize);
COPY(fTextScaleX);
@ -191,7 +185,6 @@ SkPaint& SkPaint::operator=(SkPaint&& src) {
REF_MOVE(fRasterizer);
REF_MOVE(fLooper);
REF_MOVE(fImageFilter);
REF_MOVE(fAnnotation);
MOVE(fTextSize);
MOVE(fTextScaleX);
@ -218,7 +211,6 @@ bool operator==(const SkPaint& a, const SkPaint& b) {
&& EQUAL(fRasterizer)
&& EQUAL(fLooper)
&& EQUAL(fImageFilter)
&& EQUAL(fAnnotation)
&& EQUAL(fTextSize)
&& EQUAL(fTextScaleX)
&& EQUAL(fTextSkewX)
@ -420,11 +412,6 @@ SkImageFilter* SkPaint::setImageFilter(SkImageFilter* imageFilter) {
return imageFilter;
}
SkAnnotation* SkPaint::setAnnotation(SkAnnotation* annotation) {
SkRefCnt_SafeAssign(fAnnotation, annotation);
return annotation;
}
///////////////////////////////////////////////////////////////////////////////
static SkScalar mag2(SkScalar x, SkScalar y) {
@ -1897,7 +1884,6 @@ void SkPaint::flatten(SkWriteBuffer& buffer) const {
asint(this->getColorFilter()) |
asint(this->getRasterizer()) |
asint(this->getLooper()) |
asint(this->getAnnotation()) |
asint(this->getImageFilter())) {
flatFlags |= kHasEffects_FlatFlag;
}
@ -1931,13 +1917,6 @@ void SkPaint::flatten(SkWriteBuffer& buffer) const {
buffer.writeFlattenable(this->getRasterizer());
buffer.writeFlattenable(this->getLooper());
buffer.writeFlattenable(this->getImageFilter());
if (fAnnotation) {
buffer.writeBool(true);
fAnnotation->writeToBuffer(buffer);
} else {
buffer.writeBool(false);
}
}
}
@ -1981,8 +1960,14 @@ void SkPaint::unflatten(SkReadBuffer& buffer) {
SkSafeUnref(this->setLooper(buffer.readDrawLooper()));
SkSafeUnref(this->setImageFilter(buffer.readImageFilter()));
if (buffer.readBool()) {
this->setAnnotation(SkAnnotation::Create(buffer))->unref();
if (buffer.isVersionLT(SkReadBuffer::kAnnotationsMovedToCanvas_Version)) {
// We used to store annotations here (string+skdata) if this bool was true
if (buffer.readBool()) {
// Annotations have moved to drawAnnotation, so we just drop this one on the floor.
SkString key;
buffer.readString(&key);
SkSafeUnref(buffer.readByteArrayAsData());
}
}
} else {
this->setPathEffect(nullptr);
@ -2205,12 +2190,6 @@ void SkPaint::toString(SkString* str) const {
str->append("</dd>");
}
SkAnnotation* annotation = this->getAnnotation();
if (annotation) {
str->append("<dt>Annotation:</dt><dd>");
str->append("</dd>");
}
str->append("<dt>Color:</dt><dd>0x");
SkColor color = this->getColor();
str->appendHex(color);
@ -2437,7 +2416,7 @@ bool SkPaint::nothingToDraw() const {
uint32_t SkPaint::getHash() const {
// We're going to hash 10 pointers and 7 32-bit values, finishing up with fBitfields,
// so fBitfields should be 10 pointers and 6 32-bit values from the start.
static_assert(offsetof(SkPaint, fBitfields) == 10 * sizeof(void*) + 6 * sizeof(uint32_t),
static_assert(offsetof(SkPaint, fBitfields) == 9 * sizeof(void*) + 6 * sizeof(uint32_t),
"SkPaint_notPackedTightly");
return SkChecksum::Murmur3(reinterpret_cast<const uint32_t*>(this),
offsetof(SkPaint, fBitfields) + sizeof(fBitfields));

4
src/core/SkPictureFlat.h
View File

@ -78,7 +78,9 @@ enum DrawType {
SAVE_LAYER_SAVELAYERFLAGS_DEPRECATED_JAN_2016,
SAVE_LAYER_SAVELAYERREC,
LAST_DRAWTYPE_ENUM = SAVE_LAYER_SAVELAYERREC,
DRAW_ANNOTATION,
LAST_DRAWTYPE_ENUM = DRAW_ANNOTATION,
};
// In the 'match' method, this constant will match any flavor of DRAW_BITMAP*

6
src/core/SkPicturePlayback.cpp
View File

@ -175,6 +175,12 @@ void SkPicturePlayback::handleOp(SkReader32* reader,
canvas->concat(matrix);
break;
}
case DRAW_ANNOTATION: {
const SkRect& rect = reader->skipT<SkRect>();
const char* key = reader->readString();
SkAutoTUnref<SkData> value(reader->readData());
canvas->drawAnnotation(rect, key, value);
} break;
case DRAW_ATLAS: {
const SkPaint* paint = fPictureData->getPaint(reader);
const SkImage* atlas = fPictureData->getImage(reader);

12
src/core/SkPictureRecord.cpp
View File

@ -777,6 +777,18 @@ void SkPictureRecord::onDrawAtlas(const SkImage* atlas, const SkRSXform xform[],
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);
}
///////////////////////////////////////////////////////////////////////////////
SkSurface* SkPictureRecord::onNewSurface(const SkImageInfo& info, const SkSurfaceProps&) {

1
src/core/SkPictureRecord.h
View File

@ -204,6 +204,7 @@ protected:
void onClipRegion(const SkRegion&, SkRegion::Op) override;
void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
void onDrawAnnotation(const SkRect&, const char[], SkData*) override;
int addPathToHeap(const SkPath& path); // does not write to ops stream

1
src/core/SkReadBuffer.h
View File

@ -60,6 +60,7 @@ public:
kBitmapSourceFilterQuality_Version = 41,
kPictureShaderHasPictureBool_Version = 42,
kHasDrawImageOpCodes_Version = 43,
kAnnotationsMovedToCanvas_Version = 44,
};
/**

10
src/core/SkReader32.h
View File

@ -1,4 +1,3 @@
/*
* Copyright 2008 The Android Open Source Project
*
@ -10,6 +9,7 @@
#ifndef SkReader32_DEFINED
#define SkReader32_DEFINED
#include "SkData.h"
#include "SkMatrix.h"
#include "SkPath.h"
#include "SkRegion.h"
@ -135,6 +135,14 @@ public:
*/
size_t readIntoString(SkString* copy);
SkData* readData() {
uint32_t byteLength = this->readU32();
if (0 == byteLength) {
return SkData::NewEmpty();
}
return SkData::NewWithCopy(this->skip(byteLength), byteLength);
}
private:
template <typename T> bool readObjectFromMemory(T* obj) {
size_t size = obj->readFromMemory(this->peek(), this->available());

5
src/core/SkRecordDraw.cpp
View File

@ -117,6 +117,7 @@ DRAW(DrawTextOnPath, drawTextOnPath(r.text, r.byteLength, r.path, &r.matrix, r.p
DRAW(DrawAtlas, drawAtlas(r.atlas, r.xforms, r.texs, r.colors, r.count, r.mode, r.cull, r.paint));
DRAW(DrawVertices, drawVertices(r.vmode, r.vertexCount, r.vertices, r.texs, r.colors,
r.xmode, r.indices, r.indexCount, r.paint));
DRAW(DrawAnnotation, drawAnnotation(r.rect, r.key.c_str(), r.value));
#undef DRAW
template <> void Draw::draw(const DrawDrawable& r) {
@ -517,6 +518,10 @@ private:
return this->adjustAndMap(op.worstCaseBounds, nullptr);
}
Bounds bounds(const DrawAnnotation& op) const {
return this->adjustAndMap(op.rect, nullptr);
}
static void AdjustTextForFontMetrics(SkRect* rect, const SkPaint& paint) {
#ifdef SK_DEBUG
SkRect correct = *rect;

4
src/core/SkRecorder.cpp
View File

@ -332,6 +332,10 @@ void SkRecorder::onDrawAtlas(const SkImage* atlas, const SkRSXform xform[], cons
this->copy(cull));
}
void SkRecorder::onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) {
APPEND(DrawAnnotation, rect, SkString(key), value);
}
void SkRecorder::willSave() {
APPEND(Save);
}

1
src/core/SkRecorder.h
View File

@ -120,6 +120,7 @@ public:
void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) override;
void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
void onDrawAnnotation(const SkRect&, const char[], SkData*) override;
SkSurface* onNewSurface(const SkImageInfo&, const SkSurfaceProps&) override { return nullptr; }

10
src/core/SkRemote.cpp
View File

@ -5,7 +5,6 @@
* found in the LICENSE file.
*/
#include "SkAnnotation.h"
#include "SkCanvas.h"
#include "SkColorFilter.h"
#include "SkDrawLooper.h"
@ -127,7 +126,6 @@ namespace SkRemote {
fIDs.rasterizer = fEncoder->define(paint.getRasterizer());
fIDs.looper = fEncoder->define(paint.getLooper());
fIDs.imagefilter = fEncoder->define(paint.getImageFilter());
fIDs.annotation = fEncoder->define(paint.getAnnotation());
}
~AutoCommonIDs() {
if (fEncoder) {
@ -140,7 +138,6 @@ namespace SkRemote {
fEncoder->undefine(fIDs.rasterizer);
fEncoder->undefine(fIDs.looper);
fEncoder->undefine(fIDs.imagefilter);
fEncoder->undefine(fIDs.annotation);
}
}
@ -461,7 +458,6 @@ namespace SkRemote {
ID define(SkRasterizer* v)O{return this->define(Type::kRasterizer, &fRasterizer, v);}
ID define(SkDrawLooper* v)O{return this->define(Type::kDrawLooper, &fDrawLooper, v);}
ID define(SkImageFilter* v)O{return this->define(Type::kImageFilter, &fImageFilter, v);}
ID define(SkAnnotation* v)O{return this->define(Type::kAnnotation, &fAnnotation, v);}
#undef O
@ -480,7 +476,6 @@ namespace SkRemote {
case Type::kRasterizer: return fRasterizer .remove(id);
case Type::kDrawLooper: return fDrawLooper .remove(id);
case Type::kImageFilter: return fImageFilter.remove(id);
case Type::kAnnotation: return fAnnotation .remove(id);
};
}
@ -494,7 +489,6 @@ namespace SkRemote {
paint->setRasterizer (fRasterizer .find(common.rasterizer));
paint->setLooper (fDrawLooper .find(common.looper));
paint->setImageFilter(fImageFilter.find(common.imagefilter));
paint->setAnnotation (fAnnotation .find(common.annotation));
}
void save() override { fCanvas->save(); }
@ -617,7 +611,6 @@ namespace SkRemote {
ReffedIDMap<SkRasterizer , Type::kRasterizer > fRasterizer;
ReffedIDMap<SkDrawLooper , Type::kDrawLooper > fDrawLooper;
ReffedIDMap<SkImageFilter , Type::kImageFilter> fImageFilter;
ReffedIDMap<SkAnnotation , Type::kAnnotation > fAnnotation;
SkCanvas* fCanvas;
uint64_t fNextID = 0;
@ -653,7 +646,6 @@ namespace SkRemote {
fRasterizer .foreach(undef);
fDrawLooper .foreach(undef);
fImageFilter.foreach(undef);
fAnnotation .foreach(undef);
}
template <typename Map, typename T>
@ -679,7 +671,6 @@ namespace SkRemote {
ID define(SkRasterizer* v) override { return this->define(&fRasterizer , v); }
ID define(SkDrawLooper* v) override { return this->define(&fDrawLooper , v); }
ID define(SkImageFilter* v) override { return this->define(&fImageFilter, v); }
ID define(SkAnnotation* v) override { return this->define(&fAnnotation , v); }
void undefine(ID) override {}
@ -749,7 +740,6 @@ namespace SkRemote {
RefKeyMap<SkRasterizer , Type::kRasterizer > fRasterizer;
RefKeyMap<SkDrawLooper , Type::kDrawLooper > fDrawLooper;
RefKeyMap<SkImageFilter , Type::kImageFilter> fImageFilter;
RefKeyMap<SkAnnotation , Type::kAnnotation > fAnnotation;
Encoder* fWrapped;
};

3
src/core/SkRemote.h
View File

@ -79,14 +79,13 @@ namespace SkRemote {
virtual ID define(SkRasterizer*) = 0;
virtual ID define(SkDrawLooper*) = 0;
virtual ID define(SkImageFilter*) = 0;
virtual ID define(SkAnnotation*) = 0;
virtual void undefine(ID) = 0;
// TODO: do these all belong here in CommonIDs?
struct CommonIDs {
ID misc, patheffect, shader, xfermode, maskfilter,
colorfilter, rasterizer, looper, imagefilter, annotation;
colorfilter, rasterizer, looper, imagefilter;
};
virtual void save() = 0;

1
src/core/SkRemote_protocol.h
View File

@ -28,7 +28,6 @@ namespace SkRemote {
kRasterizer,
kDrawLooper,
kImageFilter,
kAnnotation,
};
} // namespace SkRemote

12
src/gpu/SkGpuDevice.cpp
View File

@ -68,11 +68,6 @@ enum { kDefaultImageFilterCacheSize = 32 * 1024 * 1024 };
///////////////////////////////////////////////////////////////////////////////
#define CHECK_FOR_ANNOTATION(paint) \
do { if (paint.getAnnotation()) { return; } } while (0)
///////////////////////////////////////////////////////////////////////////////
// Helper for turning a bitmap into a texture. If the bitmap is GrTexture backed this
// just accesses the backing GrTexture. Otherwise, it creates a cached texture
// representation and releases it in the destructor.
@ -401,7 +396,6 @@ void SkGpuDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode,
size_t count, const SkPoint pts[], const SkPaint& paint) {
ASSERT_SINGLE_OWNER
GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawPoints", fContext);
CHECK_FOR_ANNOTATION(paint);
CHECK_SHOULD_DRAW(draw);
SkScalar width = paint.getStrokeWidth();
@ -453,7 +447,6 @@ void SkGpuDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode,
void SkGpuDevice::drawRect(const SkDraw& draw, const SkRect& rect, const SkPaint& paint) {
ASSERT_SINGLE_OWNER
GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawRect", fContext);
CHECK_FOR_ANNOTATION(paint);
CHECK_SHOULD_DRAW(draw);
bool doStroke = paint.getStyle() != SkPaint::kFill_Style;
@ -500,7 +493,6 @@ void SkGpuDevice::drawRRect(const SkDraw& draw, const SkRRect& rect,
const SkPaint& paint) {
ASSERT_SINGLE_OWNER
GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawRRect", fContext);
CHECK_FOR_ANNOTATION(paint);
CHECK_SHOULD_DRAW(draw);
GrPaint grPaint;
@ -565,7 +557,6 @@ void SkGpuDevice::drawDRRect(const SkDraw& draw, const SkRRect& outer,
const SkRRect& inner, const SkPaint& paint) {
ASSERT_SINGLE_OWNER
GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawDRRect", fContext);
CHECK_FOR_ANNOTATION(paint);
CHECK_SHOULD_DRAW(draw);
if (outer.isEmpty()) {
@ -606,7 +597,6 @@ void SkGpuDevice::drawDRRect(const SkDraw& draw, const SkRRect& outer,
void SkGpuDevice::drawOval(const SkDraw& draw, const SkRect& oval, const SkPaint& paint) {
ASSERT_SINGLE_OWNER
GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawOval", fContext);
CHECK_FOR_ANNOTATION(paint);
CHECK_SHOULD_DRAW(draw);
// Presumably the path effect warps this to something other than an oval
@ -661,7 +651,6 @@ void SkGpuDevice::drawPath(const SkDraw& draw, const SkPath& origSrcPath,
}
}
CHECK_FOR_ANNOTATION(paint);
CHECK_SHOULD_DRAW(draw);
GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawPath", fContext);
@ -1472,7 +1461,6 @@ void SkGpuDevice::drawProducerNine(const SkDraw& draw, GrTextureProducer* produc
const SkIRect& center, const SkRect& dst, const SkPaint& paint) {
GR_CREATE_TRACE_MARKER_CONTEXT("SkGpuDevice", "drawProducerNine", fContext);
CHECK_FOR_ANNOTATION(paint);
CHECK_SHOULD_DRAW(draw);
bool useFallback = paint.getMaskFilter() || paint.isAntiAlias() ||

80
src/pdf/SkPDFDevice.cpp
View File

@ -7,7 +7,7 @@
#include "SkPDFDevice.h"
#include "SkAnnotation.h"
#include "SkAnnotationKeys.h"
#include "SkColor.h"
#include "SkColorFilter.h"
#include "SkClipStack.h"
@ -753,6 +753,17 @@ void SkPDFDevice::cleanUp(bool clearFontUsage) {
}
}
void SkPDFDevice::drawAnnotation(const SkDraw& d, const SkRect& rect, const char key[],
SkData* value) {
if (0 == rect.width() && 0 == rect.height()) {
handlePointAnnotation({ rect.x(), rect.y() }, *d.fMatrix, key, value);
} else {
SkPath path;
path.addRect(rect);
handlePathAnnotation(path, d, key, value);
}
}
void SkPDFDevice::drawPaint(const SkDraw& d, const SkPaint& paint) {
SkPaint newPaint = paint;
replace_srcmode_on_opaque_paint(&newPaint);
@ -792,12 +803,6 @@ void SkPDFDevice::drawPoints(const SkDraw& d,
return;
}
if (SkAnnotation* annotation = passedPaint.getAnnotation()) {
if (handlePointAnnotation(points, count, *d.fMatrix, annotation)) {
return;
}
}
// SkDraw::drawPoints converts to multiple calls to fDevice->drawPath.
// We only use this when there's a path effect because of the overhead
// of multiple calls to setUpContentEntry it causes.
@ -935,14 +940,6 @@ void SkPDFDevice::drawRect(const SkDraw& d,
return;
}
if (SkAnnotation* annotation = paint.getAnnotation()) {
SkPath path;
path.addRect(rect);
if (handlePathAnnotation(path, d, annotation)) {
return;
}
}
ScopedContentEntry content(this, d, paint);
if (!content.entry()) {
return;
@ -1021,12 +1018,6 @@ void SkPDFDevice::drawPath(const SkDraw& d,
return;
}
if (SkAnnotation* annotation = paint.getAnnotation()) {
if (handlePathAnnotation(*pathPtr, d, annotation)) {
return;
}
}
ScopedContentEntry content(this, d.fClipStack, *d.fClip, matrix, paint);
if (!content.entry()) {
return;
@ -1664,26 +1655,26 @@ bool SkPDFDevice::handleInversePath(const SkDraw& d, const SkPath& origPath,
return true;
}
bool SkPDFDevice::handlePointAnnotation(const SkPoint* points, size_t count,
void SkPDFDevice::handlePointAnnotation(const SkPoint& point,
const SkMatrix& matrix,
SkAnnotation* annotationInfo) {
SkData* nameData = annotationInfo->find(
SkAnnotationKeys::Define_Named_Dest_Key());
if (nameData) {
for (size_t i = 0; i < count; i++) {
SkPoint transformedPoint;
matrix.mapXY(points[i].x(), points[i].y(), &transformedPoint);
fNamedDestinations.emplace_back(nameData, transformedPoint);
}
return true;
const char key[], SkData* value) {
if (!value) {
return;
}
if (!strcmp(SkAnnotationKeys::Define_Named_Dest_Key(), key)) {
SkPoint transformedPoint;
matrix.mapXY(point.x(), point.y(), &transformedPoint);
fNamedDestinations.emplace_back(value, transformedPoint);
}
return false;
}
bool SkPDFDevice::handlePathAnnotation(const SkPath& path,
void SkPDFDevice::handlePathAnnotation(const SkPath& path,
const SkDraw& d,
SkAnnotation* annotation) {
SkASSERT(annotation);
const char key[], SkData* value) {
if (!value) {
return;
}
SkPath transformedPath = path;
transformedPath.transform(*d.fMatrix);
@ -1692,24 +1683,15 @@ bool SkPDFDevice::handlePathAnnotation(const SkPath& path,
false);
SkRect transformedRect = SkRect::Make(clip.getBounds());
SkData* urlData = annotation->find(SkAnnotationKeys::URL_Key());
if (urlData) {
if (!strcmp(SkAnnotationKeys::URL_Key(), key)) {
if (!transformedRect.isEmpty()) {
fLinkToURLs.emplace_back(transformedRect, urlData);
fLinkToURLs.emplace_back(transformedRect, value);
}
return true;
}
SkData* linkToDestination =
annotation->find(SkAnnotationKeys::Link_Named_Dest_Key());
if (linkToDestination) {
} else if (!strcmp(SkAnnotationKeys::Link_Named_Dest_Key(), key)) {
if (!transformedRect.isEmpty()) {
fLinkToDestinations.emplace_back(transformedRect, linkToDestination);
fLinkToDestinations.emplace_back(transformedRect, value);
}
return true;
}
return false;
}
void SkPDFDevice::appendAnnotations(SkPDFArray* array) const {

8
src/pdf/SkPDFDevice.h
View File

@ -197,6 +197,8 @@ protected:
SkSurface* newSurface(const SkImageInfo&, const SkSurfaceProps&) override;
void drawAnnotation(const SkDraw&, const SkRect&, const char key[], SkData* value) override;
private:
struct RectWithData {
SkRect rect;
@ -318,10 +320,8 @@ private:
bool handleInversePath(const SkDraw& d, const SkPath& origPath,
const SkPaint& paint, bool pathIsMutable,
const SkMatrix* prePathMatrix = nullptr);
bool handlePointAnnotation(const SkPoint* points, size_t count,
const SkMatrix& matrix, SkAnnotation* annot);
bool handlePathAnnotation(const SkPath& path, const SkDraw& d,
SkAnnotation* annot);
void handlePointAnnotation(const SkPoint&, const SkMatrix&, const char key[], SkData* value);
void handlePathAnnotation(const SkPath&, const SkDraw& d, const char key[], SkData* value);
typedef SkBaseDevice INHERITED;

8
src/utils/SkDumpCanvas.cpp
View File

@ -9,6 +9,7 @@
#include "SkDumpCanvas.h"
#ifdef SK_DEVELOPER
#include "SkData.h"
#include "SkPatchUtils.h"
#include "SkPicture.h"
#include "SkPixelRef.h"
@ -482,6 +483,13 @@ void SkDumpCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4]
texCoords[2].x(), texCoords[2].y(), texCoords[3].x(), texCoords[3].y());
}
void SkDumpCanvas::onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) {
SkString str;
toString(rect, &str);
this->dump(kDrawAnnotation_Verb, nullptr, "drawAnnotation(%s \"%s\" (%zu))",
str.c_str(), key, value ? value->size() : 0);
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////

7
src/utils/SkNWayCanvas.cpp
View File

@ -292,6 +292,13 @@ void SkNWayCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4]
}
}
void SkNWayCanvas::onDrawAnnotation(const SkRect& rect, const char key[], SkData* data) {
Iter iter(fList);
while (iter.next()) {
iter->drawAnnotation(rect, key, data);
}
}
#ifdef SK_SUPPORT_LEGACY_DRAWFILTER
SkDrawFilter* SkNWayCanvas::setDrawFilter(SkDrawFilter* filter) {
Iter iter(fList);

83
tests/SerializationTest.cpp
View File

@ -5,6 +5,7 @@
* found in the LICENSE file.
*/
#include "SkAnnotationKeys.h"
#include "Resources.h"
#include "SkCanvas.h"
#include "SkFixed.h"
@ -546,3 +547,85 @@ DEF_TEST(Serialization, reporter) {
TestPictureTypefaceSerialization(reporter);
}
///////////////////////////////////////////////////////////////////////////////////////////////////
#include "SkAnnotation.h"
static SkPicture* copy_picture_via_serialization(SkPicture* src) {
SkDynamicMemoryWStream wstream;
src->serialize(&wstream);
SkAutoTDelete<SkStreamAsset> rstream(wstream.detachAsStream());
return SkPicture::CreateFromStream(rstream);
}
struct AnnotationRec {
const SkRect fRect;
const char* fKey;
SkData* fValue;
};
class TestAnnotationCanvas : public SkCanvas {
skiatest::Reporter* fReporter;
const AnnotationRec* fRec;
int fCount;
int fCurrIndex;
public:
TestAnnotationCanvas(skiatest::Reporter* reporter, const AnnotationRec rec[], int count)
: SkCanvas(100, 100)
, fReporter(reporter)
, fRec(rec)
, fCount(count)
, fCurrIndex(0)
{}
~TestAnnotationCanvas() {
REPORTER_ASSERT(fReporter, fCount == fCurrIndex);
}
protected:
void onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) {
REPORTER_ASSERT(fReporter, fCurrIndex < fCount);
REPORTER_ASSERT(fReporter, rect == fRec[fCurrIndex].fRect);
REPORTER_ASSERT(fReporter, !strcmp(key, fRec[fCurrIndex].fKey));
REPORTER_ASSERT(fReporter, value->equals(fRec[fCurrIndex].fValue));
fCurrIndex += 1;
}
};
/*
* Test the 3 annotation types by recording them into a picture, serializing, and then playing
* them back into another canvas.
*/
DEF_TEST(Annotations, reporter) {
SkPictureRecorder recorder;
SkCanvas* recordingCanvas = recorder.beginRecording(SkRect::MakeWH(100, 100));
const char* str0 = "rect-with-url";
const SkRect r0 = SkRect::MakeWH(10, 10);
SkAutoTUnref<SkData> d0(SkData::NewWithCString(str0));
SkAnnotateRectWithURL(recordingCanvas, r0, d0);
const char* str1 = "named-destination";
const SkRect r1 = SkRect::MakeXYWH(5, 5, 0, 0); // collapsed to a point
SkAutoTUnref<SkData> d1(SkData::NewWithCString(str1));
SkAnnotateNamedDestination(recordingCanvas, {r1.x(), r1.y()}, d1);
const char* str2 = "link-to-destination";
const SkRect r2 = SkRect::MakeXYWH(20, 20, 5, 6);
SkAutoTUnref<SkData> d2(SkData::NewWithCString(str2));
SkAnnotateLinkToDestination(recordingCanvas, r2, d2);
const AnnotationRec recs[] = {
{ r0, SkAnnotationKeys::URL_Key(), d0 },
{ r1, SkAnnotationKeys::Define_Named_Dest_Key(), d1 },
{ r2, SkAnnotationKeys::Link_Named_Dest_Key(), d2 },
};
SkAutoTUnref<SkPicture> pict0(recorder.endRecording());
SkAutoTUnref<SkPicture> pict1(copy_picture_via_serialization(pict0));
TestAnnotationCanvas canvas(reporter, recs, SK_ARRAY_COUNT(recs));
canvas.drawPicture(pict1);
}

41
tests/Writer32Test.cpp
View File

@ -278,3 +278,44 @@ DEF_TEST(Writer32_misc, reporter) {
test_rewind(reporter);
}
DEF_TEST(Writer32_data, reporter) {
const char* str = "0123456789";
SkAutoTUnref<SkData> data0(SkData::NewWithCString(str));
SkAutoTUnref<SkData> data1(SkData::NewEmpty());
const size_t sizes[] = {
SkWriter32::WriteDataSize(nullptr),
SkWriter32::WriteDataSize(data0),
SkWriter32::WriteDataSize(data1),
};
SkSWriter32<1000> writer;
size_t sizeWritten = 0;
writer.writeData(nullptr);
sizeWritten += sizes[0];
REPORTER_ASSERT(reporter, sizeWritten == writer.bytesWritten());
writer.writeData(data0);
sizeWritten += sizes[1];
REPORTER_ASSERT(reporter, sizeWritten == writer.bytesWritten());
writer.writeData(data1);
sizeWritten += sizes[2];
REPORTER_ASSERT(reporter, sizeWritten == writer.bytesWritten());
SkAutoTUnref<SkData> result(writer.snapshotAsData());
SkReader32 reader(result->data(), result->size());
SkAutoTUnref<SkData> d0(reader.readData()),
d1(reader.readData()),
d2(reader.readData());
REPORTER_ASSERT(reporter, 0 == d0->size());
REPORTER_ASSERT(reporter, strlen(str)+1 == d1->size());
REPORTER_ASSERT(reporter, !memcmp(str, d1->data(), strlen(str)+1));
REPORTER_ASSERT(reporter, 0 == d2->size());
REPORTER_ASSERT(reporter, reader.offset() == sizeWritten);
REPORTER_ASSERT(reporter, reader.eof());
}