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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 "SkFlattenableBuffers.h"
SkMallocPixelRef::SkMallocPixelRef(void* storage, size_t size,
SkColorTable* ctable, bool ownPixels) {
if (NULL == storage) {
SkASSERT(ownPixels);
storage = sk_malloc_throw(size);
}
fStorage = storage;
fSize = size;
fCTable = ctable;
SkSafeRef(ctable);
fOwnPixels = ownPixels;
this->setPreLocked(fStorage, fCTable);
}
SkMallocPixelRef::~SkMallocPixelRef() {
SkSafeUnref(fCTable);
if (fOwnPixels) {
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.writeByteArray(fStorage, fSize);
buffer.writeBool(fCTable != NULL);
if (fCTable) {
buffer.writeFlattenable(fCTable);
}
}
SkMallocPixelRef::SkMallocPixelRef(SkFlattenableReadBuffer& buffer)
: INHERITED(buffer, NULL) {
fSize = buffer.getArrayCount();
fStorage = sk_malloc_throw(fSize);
buffer.readByteArray(fStorage);
if (buffer.readBool()) {
fCTable = buffer.readFlattenableT<SkColorTable>();
} else {
fCTable = NULL;
}
fOwnPixels = true;
this->setPreLocked(fStorage, fCTable);
}
SK_DEFINE_FLATTENABLE_REGISTRAR(SkMallocPixelRef)
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