gfx/2d/SourceSurfaceRawData.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0 2 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #ifndef MOZILLA_GFX_SOURCESURFACERAWDATA_H_
michael@0 7 #define MOZILLA_GFX_SOURCESURFACERAWDATA_H_
michael@0 8
michael@0 9 #include "2D.h"
michael@0 10 #include "Tools.h"
michael@0 11
michael@0 12 namespace mozilla {
michael@0 13 namespace gfx {
michael@0 14
michael@0 15 class SourceSurfaceRawData : public DataSourceSurface
michael@0 16 {
michael@0 17 public:
michael@0 18 MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceRawData)
michael@0 19 SourceSurfaceRawData() {}
michael@0 20 ~SourceSurfaceRawData() { if(mOwnData) delete [] mRawData; }
michael@0 21
michael@0 22 virtual uint8_t *GetData() { return mRawData; }
michael@0 23 virtual int32_t Stride() { return mStride; }
michael@0 24
michael@0 25 virtual SurfaceType GetType() const { return SurfaceType::DATA; }
michael@0 26 virtual IntSize GetSize() const { return mSize; }
michael@0 27 virtual SurfaceFormat GetFormat() const { return mFormat; }
michael@0 28
michael@0 29 bool InitWrappingData(unsigned char *aData,
michael@0 30 const IntSize &aSize,
michael@0 31 int32_t aStride,
michael@0 32 SurfaceFormat aFormat,
michael@0 33 bool aOwnData);
michael@0 34
michael@0 35 private:
michael@0 36 uint8_t *mRawData;
michael@0 37 int32_t mStride;
michael@0 38 SurfaceFormat mFormat;
michael@0 39 IntSize mSize;
michael@0 40 bool mOwnData;
michael@0 41 };
michael@0 42
michael@0 43 class SourceSurfaceAlignedRawData : public DataSourceSurface
michael@0 44 {
michael@0 45 public:
michael@0 46 MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceAlignedRawData)
michael@0 47 SourceSurfaceAlignedRawData() {}
michael@0 48
michael@0 49 virtual uint8_t *GetData() { return mArray; }
michael@0 50 virtual int32_t Stride() { return mStride; }
michael@0 51
michael@0 52 virtual SurfaceType GetType() const { return SurfaceType::DATA; }
michael@0 53 virtual IntSize GetSize() const { return mSize; }
michael@0 54 virtual SurfaceFormat GetFormat() const { return mFormat; }
michael@0 55
michael@0 56 bool Init(const IntSize &aSize,
michael@0 57 SurfaceFormat aFormat);
michael@0 58 bool InitWithStride(const IntSize &aSize,
michael@0 59 SurfaceFormat aFormat,
michael@0 60 int32_t aStride);
michael@0 61
michael@0 62 private:
michael@0 63 AlignedArray<uint8_t> mArray;
michael@0 64 int32_t mStride;
michael@0 65 SurfaceFormat mFormat;
michael@0 66 IntSize mSize;
michael@0 67 };
michael@0 68
michael@0 69 }
michael@0 70 }
michael@0 71
michael@0 72 #endif /* MOZILLA_GFX_SOURCESURFACERAWDATA_H_ */

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