wine/gecko
0
0
Fork 0
mirror of https://gitlab.winehq.org/wine/wine-gecko.git synced 2024-09-13 09:24:08 -07:00
Code Issues Packages Projects Releases Wiki Activity

Bug 960254 - Part 1: Add new Map/Unmap APIs to DataSourceSurface. r=jrmuizel

Browse Source
This commit is contained in:
Bas Schouten 2014-01-16 13:17:22 +01:00
parent 370e329706
commit ccea287183
1 changed files with 36 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
gfx/2d/2D.h
View File

@ -23,6 +23,8 @@
// solution.
#include "mozilla/RefPtr.h"
#include "mozilla/DebugOnly.h"
#ifdef MOZ_ENABLE_FREETYPE
#include <string>
#endif
@ -337,14 +339,30 @@ public:
class DataSourceSurface : public SourceSurface
{
public:
DataSourceSurface()
: mIsMapped(false)
{
}
struct MappedSurface {
uint8_t *mData;
int32_t mStride;
};
enum MapType {
READ,
WRITE,
READ_WRITE
};
virtual SurfaceType GetType() const { return SurfaceType::DATA; }
/*
/* [DEPRECATED]
* Get the raw bitmap data of the surface.
* Can return null if there was OOM allocating surface data.
*/
virtual uint8_t *GetData() = 0;
/*
/* [DEPRECATED]
* Stride of the surface, distance in bytes between the start of the image
* data belonging to row y and row y+1. This may be negative.
* Can return 0 if there was OOM allocating surface data.
@ -357,11 +375,27 @@ public:
*/
virtual void MarkDirty() {}
virtual bool Map(MapType, MappedSurface *aMappedSurface)
{
aMappedSurface->mData = GetData();
aMappedSurface->mStride = Stride();
mIsMapped = true;
return true;
}
virtual void Unmap()
{
MOZ_ASSERT(mIsMapped);
mIsMapped = false;
}
/*
* Returns a DataSourceSurface with the same data as this one, but
* guaranteed to have surface->GetType() == SurfaceType::DATA.
*/
virtual TemporaryRef<DataSourceSurface> GetDataSurface();
DebugOnly<bool> mIsMapped;
};
/* This is an abstract object that accepts path segments. */