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/*
* Copyright (C) 2007 The Android Open Source Project
*
* 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.
*/
#ifndef ANDROID_LAYER_BITMAP_H
#define ANDROID_LAYER_BITMAP_H
#include <stdint.h>
#include <sys/types.h>
#include <utils/Atomic.h>
#include <ui/PixelFormat.h>
#include <ui/Rect.h>
#include <private/ui/SharedState.h>
#include <pixelflinger/pixelflinger.h>
class copybit_image_t;
namespace android {
// ---------------------------------------------------------------------------
class IMemory;
class MemoryDealer;
class LayerBitmap;
// ---------------------------------------------------------------------------
class LayerBitmap
{
public:
enum {
// erase memory to ensure security when necessary
SECURE_BITS = 0x00000001
};
LayerBitmap();
~LayerBitmap();
status_t init(const sp<MemoryDealer>& allocator);
status_t setBits(uint32_t w, uint32_t h, uint32_t alignment,
PixelFormat format, uint32_t flags = 0);
void clear();
status_t getInfo(surface_info_t* info) const;
status_t resize(uint32_t w, uint32_t h);
const GGLSurface& surface() const { return mSurface; }
Rect bounds() const { return Rect(width(), height()); }
uint32_t width() const { return surface().width; }
uint32_t height() const { return surface().height; }
uint32_t stride() const { return surface().stride; }
PixelFormat pixelFormat() const { return surface().format; }
void* serverBits() const { return surface().data; }
size_t size() const;
const sp<MemoryDealer>& getAllocator() const { return mAllocator; }
void getBitmapSurface(copybit_image_t* img) const;
private:
sp<MemoryDealer> mAllocator;
sp<IMemory> mBitsMemory;
uint32_t mAllocFlags;
ssize_t mOffset;
GGLSurface mSurface;
size_t mSize;
uint32_t mAlignment;
};
}; // namespace android
#endif // ANDROID_LAYER_BITMAP_H
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