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author | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
commit | 54b6cfa9a9e5b861a9930af873580d6dc20f773c (patch) | |
tree | 35051494d2af230dce54d6b31c6af8fc24091316 /libs/surfaceflinger/LayerBitmap.h | |
download | frameworks_base-54b6cfa9a9e5b861a9930af873580d6dc20f773c.zip frameworks_base-54b6cfa9a9e5b861a9930af873580d6dc20f773c.tar.gz frameworks_base-54b6cfa9a9e5b861a9930af873580d6dc20f773c.tar.bz2 |
Initial Contribution
Diffstat (limited to 'libs/surfaceflinger/LayerBitmap.h')
-rw-r--r-- | libs/surfaceflinger/LayerBitmap.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/libs/surfaceflinger/LayerBitmap.h b/libs/surfaceflinger/LayerBitmap.h new file mode 100644 index 0000000..4c2eb50 --- /dev/null +++ b/libs/surfaceflinger/LayerBitmap.h @@ -0,0 +1,87 @@ +/* + * 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: + LayerBitmap(const LayerBitmap& rhs); + LayerBitmap& operator = (const LayerBitmap& rhs); + + 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 |