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/* libs/graphics/sgl/SkMask.cpp
**
** Copyright 2007, Google Inc.
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#include "SkMask.h"
size_t SkMask::computeImageSize() const
{
return fBounds.height() * fRowBytes;
}
size_t SkMask::computeTotalImageSize() const
{
size_t size = this->computeImageSize();
if (fFormat == SkMask::k3D_Format)
size *= 3;
return size;
}
/** We explicitly use this allocator for SkBimap pixels, so that we can
freely assign memory allocated by one class to the other.
*/
uint8_t* SkMask::AllocImage(size_t size)
{
return (uint8_t*)sk_malloc_throw(SkAlign4(size));
}
/** We explicitly use this allocator for SkBimap pixels, so that we can
freely assign memory allocated by one class to the other.
*/
void SkMask::FreeImage(void* image)
{
sk_free(image);
}
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