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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkMallocPixelRef.h"
#include "SkBitmap.h"
#include "SkFlattenable.h"
SkMallocPixelRef::SkMallocPixelRef(void* storage, size_t size,
SkColorTable* ctable) {
if (NULL == storage) {
storage = sk_malloc_throw(size);
}
fStorage = storage;
fSize = size;
fCTable = ctable;
SkSafeRef(ctable);
this->setPreLocked(fStorage, fCTable);
}
SkMallocPixelRef::~SkMallocPixelRef() {
SkSafeUnref(fCTable);
sk_free(fStorage);
}
void* SkMallocPixelRef::onLockPixels(SkColorTable** ct) {
*ct = fCTable;
return fStorage;
}
void SkMallocPixelRef::onUnlockPixels() {
// nothing to do
}
void SkMallocPixelRef::flatten(SkFlattenableWriteBuffer& buffer) const {
this->INHERITED::flatten(buffer);
buffer.write32(fSize);
buffer.writePad(fStorage, fSize);
if (fCTable) {
buffer.writeBool(true);
fCTable->flatten(buffer);
} else {
buffer.writeBool(false);
}
}
SkMallocPixelRef::SkMallocPixelRef(SkFlattenableReadBuffer& buffer)
: INHERITED(buffer, NULL) {
fSize = buffer.readU32();
fStorage = sk_malloc_throw(fSize);
buffer.read(fStorage, fSize);
if (buffer.readBool()) {
fCTable = SkNEW_ARGS(SkColorTable, (buffer));
} else {
fCTable = NULL;
}
this->setPreLocked(fStorage, fCTable);
}
SK_DEFINE_PIXEL_REF_REGISTRAR(SkMallocPixelRef)
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