SkTextBlob plumbing

Add SkTextBlob serialization + drawTextBlob() overrides.

R=mtklein@google.com, reed@google.com, robertphillips@google.com
BUG=269080

Author: fmalita@chromium.org

Review URL: https://codereview.chromium.org/499413002
This commit is contained in:
fmalita 2014-08-26 07:56:44 -07:00 committed by Commit bot
parent 3d2e50d1aa
commit b7425173f9
31 changed files with 347 additions and 11 deletions

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@ -242,13 +242,15 @@ private:
// V30: Remove redundant SkMatrix from SkLocalMatrixShader.
// V31: Add a serialized UniqueID to SkImageFilter.
// V32: Removed SkPaintOptionsAndroid from SkPaint
// V33: Serialize only public API of effects.
// V34: Add SkTextBlob serialization.
// Note: If the picture version needs to be increased then please follow the
// steps to generate new SKPs in (only accessible to Googlers): http://goo.gl/qATVcw
// Only SKPs within the min/current picture version range (inclusive) can be read.
static const uint32_t MIN_PICTURE_VERSION = 19;
static const uint32_t CURRENT_PICTURE_VERSION = 33;
static const uint32_t CURRENT_PICTURE_VERSION = 34;
mutable uint32_t fUniqueID;

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@ -13,6 +13,9 @@
#include "SkTArray.h"
#include "SkTDArray.h"
class SkReadBuffer;
class SkWriteBuffer;
/** \class SkTextBlob
SkTextBlob combines multiple text runs into an immutable, ref-counted structure.
@ -67,7 +70,13 @@ private:
SkTextBlob(uint16_t* glyphs, SkScalar* pos, const SkTArray<Run>* runs, const SkRect& bounds);
void flatten(SkWriteBuffer&) const;
static const SkTextBlob* CreateFromBuffer(SkReadBuffer&);
static unsigned ScalarsPerGlyph(GlyphPositioning pos);
friend class SkCanvas;
friend class SkPictureData;
friend class SkTextBlobBuilder;
friend class TextBlobTester;

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@ -187,6 +187,8 @@ protected:
SkScalar constY, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) SK_OVERRIDE;
virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
const SkPoint texCoords[4], SkXfermode* xmode,
const SkPaint& paint) SK_OVERRIDE;

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@ -118,6 +118,8 @@ protected:
SkScalar constY, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) SK_OVERRIDE;
virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
const SkPoint texCoords[4], SkXfermode* xmode,
const SkPaint& paint) SK_OVERRIDE;

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@ -22,6 +22,7 @@ class SkPaint;
class SkPath;
struct SkRect;
class SkRRect;
class SkTextBlob;
#define SkScalarToLua(x) SkScalarToDouble(x)
#define SkLuaToScalar(x) SkDoubleToScalar(x)
@ -60,6 +61,7 @@ public:
void pushCanvas(SkCanvas*, const char tableKey[] = NULL);
void pushClipStack(const SkClipStack&, const char tableKey[] = NULL);
void pushClipStackElement(const SkClipStack::Element& element, const char tableKey[] = NULL);
void pushTextBlob(const SkTextBlob*, const char tableKey[] = NULL);
// This SkCanvas lua methods is declared here to benefit from SkLua's friendship with SkCanvas.
static int lcanvas_getReducedClipStack(lua_State* L);

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@ -60,6 +60,8 @@ protected:
SkScalar constY, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) SK_OVERRIDE;
virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;

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@ -75,6 +75,8 @@ protected:
SkScalar constY, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) SK_OVERRIDE;
virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
const SkPoint texCoords[4], SkXfermode* xmode,
const SkPaint& paint) SK_OVERRIDE;

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@ -72,6 +72,8 @@ protected:
SkScalar constY, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) SK_OVERRIDE;
virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
const SkPoint texCoords[4], SkXfermode* xmode,
const SkPaint& paint) SK_OVERRIDE;

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@ -9,6 +9,8 @@
#include "SkBBoxRecord.h"
#include "SkPatchUtils.h"
#include "SkTextBlob.h"
SkBBoxRecord::~SkBBoxRecord() {
fSaveStack.deleteAll();
}
@ -272,6 +274,20 @@ void SkBBoxRecord::onDrawTextOnPath(const void* text, size_t byteLength, const S
}
}
void SkBBoxRecord::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) {
SkRect bbox = blob->bounds();
bbox.offset(x, y);
// FIXME: implement implicit blob bounds!
if (bbox.isEmpty()) {
this->getClipBounds(&bbox);
}
if (this->transformBounds(bbox, &paint)) {
INHERITED::onDrawTextBlob(blob, x, y, paint);
}
}
void SkBBoxRecord::drawVertices(VertexMode mode, int vertexCount,
const SkPoint vertices[], const SkPoint texs[],
const SkColor colors[], SkXfermode* xfer,

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@ -66,6 +66,8 @@ protected:
SkScalar constY, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) SK_OVERRIDE;
virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
const SkPoint texCoords[4], SkXfermode* xmode,
const SkPaint& paint) SK_OVERRIDE;

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@ -10,6 +10,7 @@
#include "SkPictureData.h"
#include "SkPictureRecord.h"
#include "SkReadBuffer.h"
#include "SkTextBlob.h"
#include "SkTypeface.h"
#include "SkTSort.h"
#include "SkWriteBuffer.h"
@ -76,6 +77,16 @@ SkPictureData::SkPictureData(const SkPictureRecord& record,
fPictureRefs[i]->ref();
}
}
// templatize to consolidate with similar picture logic?
const SkTDArray<const SkTextBlob*>& blobs = record.getTextBlobRefs();
fTextBlobCount = blobs.count();
if (fTextBlobCount > 0) {
fTextBlobRefs = SkNEW_ARRAY(const SkTextBlob*, fTextBlobCount);
for (int i = 0; i < fTextBlobCount; ++i) {
fTextBlobRefs[i] = SkRef(blobs[i]);
}
}
}
#ifdef SK_SUPPORT_LEGACY_PICTURE_CLONE
@ -139,6 +150,8 @@ void SkPictureData::init() {
fPaints = NULL;
fPictureRefs = NULL;
fPictureCount = 0;
fTextBlobRefs = NULL;
fTextBlobCount = 0;
fOpData = NULL;
fFactoryPlayback = NULL;
fBoundingHierarchy = NULL;
@ -158,6 +171,11 @@ SkPictureData::~SkPictureData() {
}
SkDELETE_ARRAY(fPictureRefs);
for (int i = 0; i < fTextBlobCount; i++) {
fTextBlobRefs[i]->unref();
}
SkDELETE_ARRAY(fTextBlobRefs);
SkDELETE(fFactoryPlayback);
}
@ -268,6 +286,13 @@ void SkPictureData::flattenToBuffer(SkWriteBuffer& buffer) const {
write_tag_size(buffer, SK_PICT_PATH_BUFFER_TAG, n);
fPathHeap->flatten(buffer);
}
if (fTextBlobCount > 0) {
write_tag_size(buffer, SK_PICT_TEXTBLOB_BUFFER_TAG, fTextBlobCount);
for (i = 0; i < fTextBlobCount; ++i) {
fTextBlobRefs[i]->flatten(buffer);
}
}
}
void SkPictureData::serialize(SkWStream* stream,
@ -485,6 +510,33 @@ bool SkPictureData::parseBufferTag(SkReadBuffer& buffer,
fPathHeap.reset(SkNEW_ARGS(SkPathHeap, (buffer)));
}
break;
case SK_PICT_TEXTBLOB_BUFFER_TAG: {
if (!buffer.validate((0 == fTextBlobCount) && (NULL == fTextBlobRefs))) {
return false;
}
fTextBlobCount = size;
fTextBlobRefs = SkNEW_ARRAY(const SkTextBlob*, fTextBlobCount);
bool success = true;
int i = 0;
for ( ; i < fTextBlobCount; i++) {
fTextBlobRefs[i] = SkTextBlob::CreateFromBuffer(buffer);
if (NULL == fTextBlobRefs[i]) {
success = false;
break;
}
}
if (!success) {
// Delete all of the blobs that were already created (up to but excluding i):
for (int j = 0; j < i; j++) {
fTextBlobRefs[j]->unref();
}
// Delete the array
SkDELETE_ARRAY(fTextBlobRefs);
fTextBlobRefs = NULL;
fTextBlobCount = 0;
return false;
}
} break;
case SK_PICT_READER_TAG: {
SkAutoMalloc storage(size);
if (!buffer.readByteArray(storage.get(), size) ||

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@ -26,6 +26,7 @@ class SkPaint;
class SkPath;
class SkPictureStateTree;
class SkReadBuffer;
class SkTextBlob;
struct SkPictInfo {
enum Flags {
@ -49,9 +50,10 @@ struct SkPictInfo {
// This tag specifies the size of the ReadBuffer, needed for the following tags
#define SK_PICT_BUFFER_SIZE_TAG SkSetFourByteTag('a', 'r', 'a', 'y')
// these are all inside the ARRAYS tag
#define SK_PICT_BITMAP_BUFFER_TAG SkSetFourByteTag('b', 't', 'm', 'p')
#define SK_PICT_PAINT_BUFFER_TAG SkSetFourByteTag('p', 'n', 't', ' ')
#define SK_PICT_PATH_BUFFER_TAG SkSetFourByteTag('p', 't', 'h', ' ')
#define SK_PICT_BITMAP_BUFFER_TAG SkSetFourByteTag('b', 't', 'm', 'p')
#define SK_PICT_PAINT_BUFFER_TAG SkSetFourByteTag('p', 'n', 't', ' ')
#define SK_PICT_PATH_BUFFER_TAG SkSetFourByteTag('p', 't', 'h', ' ')
#define SK_PICT_TEXTBLOB_BUFFER_TAG SkSetFourByteTag('b', 'l', 'o', 'b')
// Always write this guy last (with no length field afterwards)
#define SK_PICT_EOF_TAG SkSetFourByteTag('e', 'o', 'f', ' ')
@ -132,6 +134,12 @@ public:
return &(*fPaints)[index - 1];
}
const SkTextBlob* getTextBlob(SkReader32* reader) const {
int index = reader->readInt();
SkASSERT(index > 0 && index <= fTextBlobCount);
return fTextBlobRefs[index - 1];
}
void initIterator(SkPictureStateTree::Iterator* iter,
const SkTDArray<void*>& draws,
SkCanvas* canvas) const {
@ -183,6 +191,8 @@ private:
const SkPicture** fPictureRefs;
int fPictureCount;
const SkTextBlob** fTextBlobRefs;
int fTextBlobCount;
SkBBoxHierarchy* fBoundingHierarchy;
SkPictureStateTree* fStateTree;

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@ -69,8 +69,9 @@ enum DrawType {
DRAW_PATCH, // could not add in aphabetical order
DRAW_PICTURE_MATRIX_PAINT,
DRAW_TEXT_BLOB,
LAST_DRAWTYPE_ENUM = DRAW_PICTURE_MATRIX_PAINT
LAST_DRAWTYPE_ENUM = DRAW_TEXT_BLOB
};
// In the 'match' method, this constant will match any flavor of DRAW_BITMAP*

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@ -12,6 +12,7 @@
#include "SkPictureRecord.h"
#include "SkPictureStateTree.h"
#include "SkReader32.h"
#include "SkTextBlob.h"
#include "SkTDArray.h"
#include "SkTypes.h"
@ -420,6 +421,13 @@ void SkPicturePlayback::handleOp(SkReader32* reader,
SkScalar y = reader->readScalar();
canvas->drawText(text.text(), text.length(), x, y, paint);
} break;
case DRAW_TEXT_BLOB: {
const SkPaint& paint = *fPictureData->getPaint(reader);
const SkTextBlob* blob = fPictureData->getTextBlob(reader);
SkScalar x = reader->readScalar();
SkScalar y = reader->readScalar();
canvas->drawTextBlob(blob, x, y, paint);
} break;
case DRAW_TEXT_TOP_BOTTOM: {
const SkPaint& paint = *fPictureData->getPaint(reader);
TextContainer text;

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@ -12,6 +12,7 @@
#include "SkPictureStateTree.h"
#include "SkPixelRef.h"
#include "SkRRect.h"
#include "SkTextBlob.h"
#include "SkTSearch.h"
#define HEAP_BLOCK_SIZE 4096
@ -59,6 +60,7 @@ SkPictureRecord::~SkPictureRecord() {
SkSafeUnref(fStateTree);
fFlattenableHeap.setBitmapStorage(NULL);
fPictureRefs.unrefAll();
fTextBlobRefs.unrefAll();
}
///////////////////////////////////////////////////////////////////////////////
@ -114,6 +116,7 @@ static inline size_t getPaintOffset(DrawType op, size_t opSize) {
0, // POP_CULL - no paint
1, // DRAW_PATCH - right after op code
1, // DRAW_PICTURE_MATRIX_PAINT - right after op code
1, // DRAW_TEXT_BLOB- right after op code
};
SK_COMPILE_ASSERT(sizeof(gPaintOffsets) == LAST_DRAWTYPE_ENUM + 1,
@ -462,7 +465,8 @@ static bool is_drawing_op(DrawType op) {
return (op > CONCAT && op < ROTATE)
|| DRAW_DRRECT == op
|| DRAW_PATCH == op
|| DRAW_PICTURE_MATRIX_PAINT == op;
|| DRAW_PICTURE_MATRIX_PAINT == op
|| DRAW_TEXT_BLOB == op;
}
/*
@ -1207,6 +1211,22 @@ void SkPictureRecord::onDrawTextOnPath(const void* text, size_t byteLength, cons
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);
SkASSERT(initialOffset + getPaintOffset(DRAW_TEXT_BLOB, size) == fWriter.bytesWritten());
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
@ -1523,5 +1543,16 @@ void SkPictureRecord::addText(const void* text, size_t byteLength) {
fWriter.writePad(text, byteLength);
}
void SkPictureRecord::addTextBlob(const SkTextBlob *blob) {
int index = fTextBlobRefs.find(blob);
if (index < 0) { // not found
index = fTextBlobRefs.count();
*fTextBlobRefs.append() = blob;
blob->ref();
}
// follow the convention of recording a 1-based index
this->addInt(index + 1);
}
///////////////////////////////////////////////////////////////////////////////

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@ -71,6 +71,10 @@ public:
return fPictureRefs;
}
const SkTDArray<const SkTextBlob* >& getTextBlobRefs() const {
return fTextBlobRefs;
}
SkData* opData(bool deepCopy) const {
this->validate(fWriter.bytesWritten(), 0);
@ -181,6 +185,7 @@ private:
void addRRect(const SkRRect&);
void addRegion(const SkRegion& region);
void addText(const void* text, size_t byteLength);
void addTextBlob(const SkTextBlob* blob);
int find(const SkBitmap& bitmap);
@ -213,6 +218,8 @@ protected:
SkScalar constY, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) SK_OVERRIDE;
virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
const SkPoint texCoords[4], SkXfermode* xmode,
@ -281,7 +288,8 @@ private:
SkWriter32 fWriter;
// we ref each item in these arrays
SkTDArray<const SkPicture*> fPictureRefs;
SkTDArray<const SkPicture*> fPictureRefs;
SkTDArray<const SkTextBlob*> fTextBlobRefs;
uint32_t fRecordFlags;
bool fOptsEnabled;

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@ -92,7 +92,7 @@ public:
void onDrawTextBlob(const SkTextBlob* blob,
SkScalar x,
SkScalar y,
const SkPaint& paint);
const SkPaint& paint) SK_OVERRIDE;
void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
const SkPoint texCoords[4], SkXfermode* xmode,
const SkPaint& paint) SK_OVERRIDE;

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@ -7,6 +7,9 @@
#include "SkTextBlob.h"
#include "SkReadBuffer.h"
#include "SkWriteBuffer.h"
SkTextBlob::SkTextBlob(uint16_t *glyphs, SkScalar *pos, const SkTArray<Run> *runs,
const SkRect& bounds)
: fGlyphBuffer(glyphs)
@ -26,6 +29,86 @@ uint32_t SkTextBlob::uniqueID() const {
return fUniqueID;
}
unsigned SkTextBlob::ScalarsPerGlyph(GlyphPositioning pos) {
// GlyphPositioning values are directly mapped to scalars-per-glyph.
SkASSERT(pos <= 2);
return pos;
}
void SkTextBlob::flatten(SkWriteBuffer& buffer) const {
int runCount = (NULL == fRuns.get()) ? 0 : fRuns->count();
buffer.write32(runCount);
buffer.writeRect(fBounds);
SkPaint runPaint;
RunIterator it(this);
while (!it.done()) {
SkASSERT(it.glyphCount() > 0);
buffer.write32(it.glyphCount());
buffer.write32(it.positioning());
buffer.writePoint(it.offset());
// This should go away when switching to SkFont
it.applyFontToPaint(&runPaint);
buffer.writePaint(runPaint);
buffer.writeByteArray(it.glyphs(), it.glyphCount() * sizeof(uint16_t));
buffer.writeByteArray(it.pos(),
it.glyphCount() * sizeof(SkScalar) * ScalarsPerGlyph(it.positioning()));
it.next();
SkDEBUGCODE(runCount--);
}
SkASSERT(0 == runCount);
}
const SkTextBlob* SkTextBlob::CreateFromBuffer(SkReadBuffer& reader) {
int runCount = reader.read32();
if (runCount < 0) {
return NULL;
}
SkRect bounds;
reader.readRect(&bounds);
SkTextBlobBuilder blobBuilder;
for (int i = 0; i < runCount; ++i) {
int glyphCount = reader.read32();
GlyphPositioning pos = static_cast<GlyphPositioning>(reader.read32());
if (glyphCount <= 0 || pos > kFull_Positioning) {
return NULL;
}
SkPoint offset;
reader.readPoint(&offset);
SkPaint font;
reader.readPaint(&font);
const SkTextBlobBuilder::RunBuffer* buf = NULL;
switch (pos) {
case kDefault_Positioning:
buf = &blobBuilder.allocRun(font, glyphCount, offset.x(), offset.y(), &bounds);
break;
case kHorizontal_Positioning:
buf = &blobBuilder.allocRunPosH(font, glyphCount, offset.y(), &bounds);
break;
case kFull_Positioning:
buf = &blobBuilder.allocRunPos(font, glyphCount, &bounds);
break;
default:
return NULL;
}
if (!reader.readByteArray(buf->glyphs, glyphCount * sizeof(uint16_t)) ||
!reader.readByteArray(buf->pos, glyphCount * sizeof(SkScalar) * ScalarsPerGlyph(pos))) {
return NULL;
}
}
return blobBuilder.build();
}
SkTextBlob::RunIterator::RunIterator(const SkTextBlob* blob)
: fBlob(blob)
, fIndex(0) {
@ -161,9 +244,7 @@ void SkTextBlobBuilder::allocInternal(const SkPaint &font,
this->ensureRun(font, positioning, offset);
// SkTextBlob::GlyphPositioning values are directly mapped to scalars-per-glyph.
unsigned posScalarsPerGlyph = positioning;
SkASSERT(posScalarsPerGlyph <= 2);
unsigned posScalarsPerGlyph = SkTextBlob::ScalarsPerGlyph(positioning);
fGlyphBuffer.append(count);
fPosBuffer.append(count * posScalarsPerGlyph);

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@ -58,6 +58,7 @@ enum DrawOps {
kDrawRRect_DrawOp,
kDrawSprite_DrawOp,
kDrawText_DrawOp,
kDrawTextBlob_DrawOp,
kDrawTextOnPath_DrawOp,
kDrawVertices_DrawOp,
kRestore_DrawOp,

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@ -670,6 +670,10 @@ static void drawPicture_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
UNIMPLEMENTED
}
static void drawTextBlob_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
SkGPipeState* state) {
UNIMPLEMENTED
}
///////////////////////////////////////////////////////////////////////////////
static void paintOp_rp(SkCanvas*, SkReader32* reader, uint32_t op32,
@ -814,6 +818,7 @@ static const ReadProc gReadTable[] = {
drawRRect_rp,
drawSprite_rp,
drawText_rp,
drawTextBlob_rp,
drawTextOnPath_rp,
drawVertices_rp,
restore_rp,

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@ -283,6 +283,8 @@ protected:
SkScalar constY, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) SK_OVERRIDE;
virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
const SkPoint texCoords[4], SkXfermode* xmode,
const SkPaint& paint) SK_OVERRIDE;
@ -935,6 +937,13 @@ void SkGPipeCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const
}
}
void SkGPipeCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) {
// FIXME: blob serialization only supports SkWriteBuffers
// -- convert to SkWriter32 to avoid unrolling?
this->INHERITED::onDrawTextBlob(blob, x, y, paint);
}
void SkGPipeCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
const SkPaint* paint) {
// we want to playback the picture into individual draw calls

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@ -901,6 +901,13 @@ void SkDeferredCanvas::onDrawTextOnPath(const void* text, size_t byteLength, con
this->recordedDrawCommand();
}
void SkDeferredCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) {
AutoImmediateDrawIfNeeded autoDraw(*this, &paint);
this->drawingCanvas()->drawTextBlob(blob, x, y, paint);
this->recordedDrawCommand();
}
void SkDeferredCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
const SkPaint* paint) {
this->drawingCanvas()->drawPicture(picture, matrix, paint);

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@ -14,6 +14,7 @@
#include "SkPixelRef.h"
#include "SkRRect.h"
#include "SkString.h"
#include "SkTextBlob.h"
#include <stdarg.h>
#include <stdio.h>
@ -423,6 +424,14 @@ void SkDumpCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const S
str.c_str(), byteLength);
}
void SkDumpCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) {
SkString str;
toString(blob->bounds(), &str);
this->dump(kDrawText_Verb, &paint, "drawTextBlob(%p) [%s]", blob, str.c_str());
// FIXME: dump the actual blob content?
}
void SkDumpCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
const SkPaint* paint) {
this->dump(kDrawPicture_Verb, NULL, "drawPicture(%p) %d:%d", picture,

View File

@ -21,6 +21,7 @@
#include "SkPixelRef.h"
#include "SkRRect.h"
#include "SkString.h"
#include "SkTextBlob.h"
#include "SkTypeface.h"
extern "C" {
@ -45,6 +46,7 @@ DEF_MTNAME(SkPath)
DEF_MTNAME(SkPaint)
DEF_MTNAME(SkPathEffect)
DEF_MTNAME(SkShader)
DEF_MTNAME(SkTextBlob)
DEF_MTNAME(SkTypeface)
template <typename T> T* push_new(lua_State* L) {
@ -273,6 +275,11 @@ void SkLua::pushCanvas(SkCanvas* canvas, const char key[]) {
CHECK_SETFIELD(key);
}
void SkLua::pushTextBlob(const SkTextBlob* blob, const char key[]) {
push_ref(fL, const_cast<SkTextBlob*>(blob));
CHECK_SETFIELD(key);
}
static const char* element_type(SkClipStack::Element::Type type) {
switch (type) {
case SkClipStack::Element::kEmpty_Type:

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@ -268,6 +268,15 @@ void SkLuaCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const Sk
lua.pushPaint(paint, "paint");
}
void SkLuaCanvas::onDrawTextBlob(const SkTextBlob *blob, SkScalar x, SkScalar y,
const SkPaint &paint) {
AUTO_LUA("drawTextBlob");
lua.pushTextBlob(blob, "blob");
lua.pushScalar(x, "x");
lua.pushScalar(y, "y");
lua.pushPaint(paint, "paint");
}
void SkLuaCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
const SkPaint* paint) {
AUTO_LUA("drawPicture");

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@ -265,6 +265,14 @@ void SkNWayCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const S
}
}
void SkNWayCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint &paint) {
Iter iter(fList);
while (iter.next()) {
iter->drawTextBlob(blob, x, y, paint);
}
}
void SkNWayCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
const SkPaint* paint) {
Iter iter(fList);

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@ -136,6 +136,11 @@ void SkProxyCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const
fProxy->drawTextOnPath(text, byteLength, path, matrix, paint);
}
void SkProxyCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) {
fProxy->drawTextBlob(blob, x, y, paint);
}
void SkProxyCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
const SkPaint* paint) {
fProxy->drawPicture(picture, matrix, paint);

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@ -571,6 +571,11 @@ void SkDebugCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const
new SkDrawTextOnPathCommand(text, byteLength, path, matrix, paint));
}
void SkDebugCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) {
this->addDrawCommand(new SkDrawTextBlobCommand(blob, x, y, paint));
}
void SkDebugCanvas::drawVertices(VertexMode vmode, int vertexCount,
const SkPoint vertices[], const SkPoint texs[], const SkColor colors[],
SkXfermode*, const uint16_t indices[], int indexCount,

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@ -242,6 +242,8 @@ protected:
SkScalar constY, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint&) SK_OVERRIDE;
virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) SK_OVERRIDE;
virtual void onPushCull(const SkRect& cullRect) SK_OVERRIDE;
virtual void onPopCull() SK_OVERRIDE;

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@ -10,6 +10,8 @@
#include "SkDrawCommand.h"
#include "SkObjectParser.h"
#include "SkTextBlob.h"
// TODO(chudy): Refactor into non subclass model.
SkDrawCommand::SkDrawCommand(DrawType type)
@ -643,6 +645,26 @@ void SkDrawPosTextHCommand::execute(SkCanvas* canvas) {
canvas->drawPosTextH(fText, fByteLength, fXpos, fConstY, fPaint);
}
SkDrawTextBlobCommand::SkDrawTextBlobCommand(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint)
: INHERITED(DRAW_TEXT_BLOB)
, fBlob(blob)
, fXPos(x)
, fYPos(y)
, fPaint(paint) {
blob->ref();
// FIXME: push blob info
fInfo.push(SkObjectParser::ScalarToString(x, "XPOS: "));
fInfo.push(SkObjectParser::ScalarToString(x, "YPOS: "));
fInfo.push(SkObjectParser::PaintToString(paint));
}
void SkDrawTextBlobCommand::execute(SkCanvas* canvas) {
canvas->drawTextBlob(fBlob, fXPos, fYPos, fPaint);
}
SkDrawRectCommand::SkDrawRectCommand(const SkRect& rect, const SkPaint& paint)
: INHERITED(DRAW_RECT) {
fRect = rect;

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@ -436,6 +436,21 @@ private:
typedef SkDrawCommand INHERITED;
};
class SkDrawTextBlobCommand : public SkDrawCommand {
public:
SkDrawTextBlobCommand(const SkTextBlob* blob, SkScalar x, SkScalar y, const SkPaint& paint);
virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
private:
SkAutoTUnref<const SkTextBlob> fBlob;
SkScalar fXPos;
SkScalar fYPos;
SkPaint fPaint;
typedef SkDrawCommand INHERITED;
};
class SkDrawRectCommand : public SkDrawCommand {
public:
SkDrawRectCommand(const SkRect& rect, const SkPaint& paint);