SkGPipeReader::Status SkGPipeReader::playback(const void* data, size_t length,
uint32_t playbackFlags, size_t* bytesRead) {
if (NULL == fCanvas) {
return kError_Status;
}
if (NULL == fState) {
fState = new SkGPipeState;
}
fState->setSilent(playbackFlags & kSilent_PlaybackFlag);
SkASSERT(SK_ARRAY_COUNT(gReadTable) == (kDone_DrawOp + 1));
const ReadProc* table = gReadTable;
SkReadBuffer reader(data, length);
reader.setBitmapDecoder(fProc);
SkCanvas* canvas = fCanvas;
Status status = kEOF_Status;
fState->setReader(&reader);
while (!reader.eof()) {
uint32_t op32 = reader.readUInt();
unsigned op = DrawOp_unpackOp(op32);
// SkDEBUGCODE(DrawOps drawOp = (DrawOps)op;)
if (op >= SK_ARRAY_COUNT(gReadTable)) {
SkDebugf("---- bad op during GPipeState::playback\n");
status = kError_Status;
break;
}
if (kDone_DrawOp == op) {
status = kDone_Status;
break;
}
table[op](canvas, reader.getReader32(), op32, fState);
if ((playbackFlags & kReadAtom_PlaybackFlag) &&
(table[op] != paintOp_rp &&
table[op] != def_Typeface_rp &&
table[op] != def_PaintFlat_rp &&
table[op] != def_Bitmap_rp
)) {
status = kReadAtom_Status;
break;
}
}
if (bytesRead) {
*bytesRead = reader.offset();
}
return status;
}
SkGPipeReader::Status SkGPipeReader::playback(const void* data, size_t length,
size_t* bytesRead, bool readAtom) {
if (NULL == fCanvas) {
return kError_Status;
}
if (NULL == fState) {
fState = new SkGPipeState;
}
SkASSERT(SK_ARRAY_COUNT(gReadTable) == (kDone_DrawOp + 1));
const ReadProc* table = gReadTable;
SkFlattenableReadBuffer reader(data, length);
SkCanvas* canvas = fCanvas;
Status status = kEOF_Status;
fState->setReader(&reader);
while (!reader.eof()) {
uint32_t op32 = reader.readU32();
unsigned op = DrawOp_unpackOp(op32);
SkDEBUGCODE(DrawOps drawOp = (DrawOps)op;)
if (op >= SK_ARRAY_COUNT(gReadTable)) {
SkDebugf("---- bad op during GPipeState::playback\n");
status = kError_Status;
break;
}
if (kDone_DrawOp == op) {
status = kDone_Status;
break;
}
table[op](canvas, &reader, op32, fState);
if (readAtom &&
(table[op] != paintOp_rp &&
table[op] != def_Typeface_rp &&
table[op] != def_PaintFlat_rp
)) {
status = kReadAtom_Status;
break;
}
}
