85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
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/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_LAYER_BITMAP_H
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#define ANDROID_LAYER_BITMAP_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/Atomic.h>
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#include <ui/PixelFormat.h>
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#include <ui/Rect.h>
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#include <private/ui/SharedState.h>
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#include <pixelflinger/pixelflinger.h>
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class copybit_image_t;
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namespace android {
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// ---------------------------------------------------------------------------
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class IMemory;
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class MemoryDealer;
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class LayerBitmap;
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// ---------------------------------------------------------------------------
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class LayerBitmap
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{
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public:
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enum {
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// erase memory to ensure security when necessary
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SECURE_BITS = 0x00000001
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};
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LayerBitmap();
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~LayerBitmap();
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status_t init(const sp<MemoryDealer>& allocator);
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status_t setBits(uint32_t w, uint32_t h, uint32_t alignment,
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PixelFormat format, uint32_t flags = 0);
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void clear();
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status_t getInfo(surface_info_t* info) const;
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status_t resize(uint32_t w, uint32_t h);
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const GGLSurface& surface() const { return mSurface; }
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Rect bounds() const { return Rect(width(), height()); }
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uint32_t width() const { return surface().width; }
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uint32_t height() const { return surface().height; }
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uint32_t stride() const { return surface().stride; }
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PixelFormat pixelFormat() const { return surface().format; }
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void* serverBits() const { return surface().data; }
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size_t size() const;
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const sp<MemoryDealer>& getAllocator() const { return mAllocator; }
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void getBitmapSurface(copybit_image_t* img) const;
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private:
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sp<MemoryDealer> mAllocator;
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sp<IMemory> mBitsMemory;
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uint32_t mAllocFlags;
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ssize_t mOffset;
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GGLSurface mSurface;
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size_t mSize;
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uint32_t mAlignment;
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};
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}; // namespace android
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#endif // ANDROID_LAYER_BITMAP_H
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