SkCanvas::SaveLayerStrategy SkGPipeCanvas::willSaveLayer(const SkRect* bounds, const SkPaint* paint,
SaveFlags saveFlags) {
NOTIFY_SETUP(this);
size_t size = 0;
unsigned opFlags = 0;
if (bounds) {
opFlags |= kSaveLayer_HasBounds_DrawOpFlag;
size += sizeof(SkRect);
}
if (paint) {
opFlags |= kSaveLayer_HasPaint_DrawOpFlag;
this->writePaint(*paint);
}
if (this->needOpBytes(size)) {
this->writeOp(kSaveLayer_DrawOp, opFlags, saveFlags);
if (bounds) {
fWriter.writeRect(*bounds);
}
}
this->INHERITED::willSaveLayer(bounds, paint, saveFlags);
// we don't create a layer
return kNoLayer_SaveLayerStrategy;
}
void SkGPipeCanvas::onDrawPaint(const SkPaint& paint) {
NOTIFY_SETUP(this);
this->writePaint(paint);
if (this->needOpBytes()) {
this->writeOp(kDrawPaint_DrawOp);
}
}
void SkGPipeCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
const SkPaint& paint) {
NOTIFY_SETUP(this);
this->writePaint(paint);
// FIXME: this is inefficient but avoids duplicating the blob serialization logic.
SkRefCntSet typefaceSet;
SkWriteBuffer blobBuffer;
blobBuffer.setTypefaceRecorder(&typefaceSet);
blob->flatten(blobBuffer);
// Unlike most draw ops (which only use one paint/typeface), text blobs may reference
// an arbitrary number of typefaces. Since the one-paint-per-op model is not applicable,
// we need to serialize these explicitly.
TypefaceBuffer typefaceBuffer;
size_t typefaceSize = is_cross_process(fFlags)
? this->getCrossProcessTypefaces(typefaceSet, &typefaceBuffer)
: this->getInProcessTypefaces(typefaceSet, &typefaceBuffer);
// blob byte count + typeface count + x + y + blob data + an index (cross-process)
// or pointer (in-process) for each typeface
size_t size = 2 * sizeof(uint32_t)
+ 2 * sizeof(SkScalar)
+ blobBuffer.bytesWritten()
+ typefaceSize;
if (this->needOpBytes(size)) {
this->writeOp(kDrawTextBlob_DrawOp);
SkDEBUGCODE(size_t initialOffset = fWriter.bytesWritten();)
void SkGPipeCanvas::onDrawBitmapRect(const SkBitmap& bm, const SkRect* src, const SkRect& dst,
const SkPaint* paint,
SK_VIRTUAL_CONSTRAINT_TYPE legacyConstraint) {
SrcRectConstraint constraint = (SrcRectConstraint)legacyConstraint;
NOTIFY_SETUP(this);
size_t opBytesNeeded = sizeof(SkRect);
bool hasSrc = src != NULL;
unsigned flags;
if (hasSrc) {
flags = kDrawBitmap_HasSrcRect_DrawOpFlag;
opBytesNeeded += sizeof(int32_t) * 4;
} else {
flags = 0;
}
if (kFast_SrcRectConstraint == constraint) {
flags |= kDrawBitmap_Bleed_DrawOpFlag;
}
if (this->commonDrawBitmap(bm, kDrawBitmapRect_DrawOp, flags, opBytesNeeded, paint)) {
if (hasSrc) {
fWriter.writeRect(*src);
}
fWriter.writeRect(dst);
}
}
void SkGPipeCanvas::onDrawOval(const SkRect& rect, const SkPaint& paint) {
NOTIFY_SETUP(this);
this->writePaint(paint);
if (this->needOpBytes(sizeof(SkRect))) {
this->writeOp(kDrawOval_DrawOp);
fWriter.writeRect(rect);
}
}
void SkGPipeCanvas::onClipRegion(const SkRegion& region, SkRegion::Op rgnOp) {
NOTIFY_SETUP(this);
if (this->needOpBytes(region.writeToMemory(nullptr))) {
this->writeOp(kClipRegion_DrawOp, 0, rgnOp);
fWriter.writeRegion(region);
}
this->INHERITED::onClipRegion(region, rgnOp);
}
void SkGPipeCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) {
NOTIFY_SETUP(this);
this->writePaint(paint);
if (this->needOpBytes(path.writeToMemory(nullptr))) {
this->writeOp(kDrawPath_DrawOp);
fWriter.writePath(path);
}
}
void SkGPipeCanvas::didSetMatrix(const SkMatrix& matrix) {
NOTIFY_SETUP(this);
if (this->needOpBytes(matrix.writeToMemory(nullptr))) {
this->writeOp(kSetMatrix_DrawOp);
fWriter.writeMatrix(matrix);
}
this->INHERITED::didSetMatrix(matrix);
}
void SkGPipeCanvas::willRestore() {
NOTIFY_SETUP(this);
if (this->needOpBytes()) {
this->writeOp(kRestore_DrawOp);
}
this->INHERITED::willRestore();
}
void SkGPipeCanvas::onDrawImage(const SkImage* image, SkScalar x, SkScalar y,
const SkPaint* paint) {
NOTIFY_SETUP(this);
if (this->commonDrawImage(image, kDrawImage_DrawOp, 0, sizeof(SkScalar) * 2, paint)) {
fWriter.writeScalar(x);
fWriter.writeScalar(y);
}
}
void SkGPipeCanvas::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) {
NOTIFY_SETUP(this);
this->writePaint(paint);
if (this->needOpBytes(kSizeOfFlatRRect)) {
this->writeOp(kDrawRRect_DrawOp);
fWriter.writeRRect(rrect);
}
}
void SkGPipeCanvas::onDrawSprite(const SkBitmap& bm, int left, int top, const SkPaint* paint) {
NOTIFY_SETUP(this);
size_t opBytesNeeded = sizeof(int32_t) * 2;
if (this->commonDrawBitmap(bm, kDrawSprite_DrawOp, 0, opBytesNeeded, paint)) {
fWriter.write32(left);
fWriter.write32(top);
}
}
void SkGPipeCanvas::onDrawImageNine(const SkImage* image, const SkIRect& center, const SkRect& dst,
const SkPaint* paint) {
NOTIFY_SETUP(this);
size_t opBytesNeeded = sizeof(SkIRect) + sizeof(SkRect); // center + dst
if (this->commonDrawImage(image, kDrawImageNine_DrawOp, 0, opBytesNeeded, paint)) {
fWriter.writeIRect(center);
fWriter.writeRect(dst);
}
}
void SkGPipeCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner,
const SkPaint& paint) {
NOTIFY_SETUP(this);
this->writePaint(paint);
if (this->needOpBytes(kSizeOfFlatRRect * 2)) {
this->writeOp(kDrawDRRect_DrawOp);
fWriter.writeRRect(outer);
fWriter.writeRRect(inner);
}
}
void SkGPipeCanvas::onDrawBitmap(const SkBitmap& bm, SkScalar left, SkScalar top,
const SkPaint* paint) {
NOTIFY_SETUP(this);
size_t opBytesNeeded = sizeof(SkScalar) * 2;
if (this->commonDrawBitmap(bm, kDrawBitmap_DrawOp, 0, opBytesNeeded, paint)) {
fWriter.writeScalar(left);
fWriter.writeScalar(top);
}
}
void SkGPipeCanvas::onDrawPoints(PointMode mode, size_t count,
const SkPoint pts[], const SkPaint& paint) {
if (count) {
NOTIFY_SETUP(this);
this->writePaint(paint);
if (this->needOpBytes(4 + count * sizeof(SkPoint))) {
this->writeOp(kDrawPoints_DrawOp, mode, 0);
fWriter.write32(SkToU32(count));
fWriter.write(pts, count * sizeof(SkPoint));
}
}
}
void SkGPipeCanvas::onDrawBitmapNine(const SkBitmap& bm, const SkIRect& center,
const SkRect& dst, const SkPaint* paint) {
NOTIFY_SETUP(this);
size_t opBytesNeeded = sizeof(int32_t) * 4 + sizeof(SkRect);
if (this->commonDrawBitmap(bm, kDrawBitmapNine_DrawOp, 0, opBytesNeeded, paint)) {
fWriter.write32(center.fLeft);
fWriter.write32(center.fTop);
fWriter.write32(center.fRight);
fWriter.write32(center.fBottom);
fWriter.writeRect(dst);
}
}
void SkGPipeCanvas::onClipRRect(const SkRRect& rrect, SkRegion::Op rgnOp,
ClipEdgeStyle edgeStyle) {
NOTIFY_SETUP(this);
if (this->needOpBytes(kSizeOfFlatRRect)) {
unsigned flags = 0;
if (kSoft_ClipEdgeStyle == edgeStyle) {
flags = kClip_HasAntiAlias_DrawOpFlag;
}
this->writeOp(kClipRRect_DrawOp, flags, rgnOp);
fWriter.writeRRect(rrect);
}
this->INHERITED::onClipRRect(rrect, rgnOp, edgeStyle);
}
void SkGPipeCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
const SkPaint& paint) {
if (byteLength) {
NOTIFY_SETUP(this);
this->writePaint(paint);
if (this->needOpBytes(4 + SkAlign4(byteLength) + 2 * sizeof(SkScalar))) {
this->writeOp(kDrawText_DrawOp);
fWriter.write32(SkToU32(byteLength));
fWriter.writePad(text, byteLength);
fWriter.writeScalar(x);
fWriter.writeScalar(y);
}
}
}
void SkGPipeCanvas::onClipPath(const SkPath& path, SkRegion::Op rgnOp,
ClipEdgeStyle edgeStyle) {
NOTIFY_SETUP(this);
if (this->needOpBytes(path.writeToMemory(nullptr))) {
unsigned flags = 0;
if (kSoft_ClipEdgeStyle == edgeStyle) {
flags = kClip_HasAntiAlias_DrawOpFlag;
}
this->writeOp(kClipPath_DrawOp, flags, rgnOp);
fWriter.writePath(path);
}
// we just pass on the bounds of the path
this->INHERITED::onClipRect(path.getBounds(), rgnOp, edgeStyle);
}
void SkGPipeCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
const SkPaint& paint) {
if (byteLength) {
NOTIFY_SETUP(this);
this->writePaint(paint);
int count = paint.textToGlyphs(text, byteLength, nullptr);
if (this->needOpBytes(4 + SkAlign4(byteLength) + 4 + count * sizeof(SkPoint))) {
this->writeOp(kDrawPosText_DrawOp);
fWriter.write32(SkToU32(byteLength));
fWriter.writePad(text, byteLength);
fWriter.write32(count);
fWriter.write(pos, count * sizeof(SkPoint));
}
}
}
void SkGPipeCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
const SkPaint* paint) {
NOTIFY_SETUP(this);
unsigned flags = 0;
size_t opBytesNeeded = sizeof(SkRect); // dst
if (src) {
flags |= kDrawBitmap_HasSrcRect_DrawOpFlag;
opBytesNeeded += sizeof(SkRect); // src
}
if (this->commonDrawImage(image, kDrawImageRect_DrawOp, flags, opBytesNeeded, paint)) {
if (src) {
fWriter.writeRect(*src);
}
fWriter.writeRect(dst);
}
}
void SkGPipeCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
SkScalar constY, const SkPaint& paint) {
if (byteLength) {
NOTIFY_SETUP(this);
this->writePaint(paint);
int count = paint.textToGlyphs(text, byteLength, NULL);
if (this->needOpBytes(4 + SkAlign4(byteLength) + 4 + count * sizeof(SkScalar) + 4)) {
this->writeOp(kDrawPosTextH_DrawOp);
fWriter.write32(SkToU32(byteLength));
fWriter.writePad(text, byteLength);
fWriter.write32(count);
fWriter.write(xpos, count * sizeof(SkScalar));
fWriter.writeScalar(constY);
}
}
}
void SkGPipeCanvas::didConcat(const SkMatrix& matrix) {
if (!matrix.isIdentity()) {
NOTIFY_SETUP(this);
switch (matrix.getType()) {
case SkMatrix::kTranslate_Mask:
this->recordTranslate(matrix);
break;
case SkMatrix::kScale_Mask:
this->recordScale(matrix);
break;
default:
this->recordConcat(matrix);
break;
}
}
this->INHERITED::didConcat(matrix);
}
void SkGPipeCanvas::onDrawBitmapRect(const SkBitmap& bm, const SkRect* src, const SkRect& dst,
const SkPaint* paint, DrawBitmapRectFlags dbmrFlags) {
NOTIFY_SETUP(this);
size_t opBytesNeeded = sizeof(SkRect);
bool hasSrc = src != NULL;
unsigned flags;
if (hasSrc) {
flags = kDrawBitmap_HasSrcRect_DrawOpFlag;
opBytesNeeded += sizeof(int32_t) * 4;
} else {
flags = 0;
}
if (dbmrFlags & kBleed_DrawBitmapRectFlag) {
flags |= kDrawBitmap_Bleed_DrawOpFlag;
}
if (this->commonDrawBitmap(bm, kDrawBitmapRectToRect_DrawOp, flags, opBytesNeeded, paint)) {
if (hasSrc) {
fWriter.writeRect(*src);
}
fWriter.writeRect(dst);
}
}
void SkGPipeCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
const SkMatrix* matrix, const SkPaint& paint) {
if (byteLength) {
NOTIFY_SETUP(this);
unsigned flags = 0;
size_t size = 4 + SkAlign4(byteLength) + path.writeToMemory(nullptr);
if (matrix) {
flags |= kDrawTextOnPath_HasMatrix_DrawOpFlag;
size += matrix->writeToMemory(nullptr);
}
this->writePaint(paint);
if (this->needOpBytes(size)) {
this->writeOp(kDrawTextOnPath_DrawOp, flags, 0);
fWriter.write32(SkToU32(byteLength));
fWriter.writePad(text, byteLength);
fWriter.writePath(path);
if (matrix) {
fWriter.writeMatrix(*matrix);
}
}
}
}
