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78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
#pragma once
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#include "win32.h"
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#include "gdiobj.h"
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#define PDEV_SURFACE 0x80000000
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/* GDI surface object */
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typedef struct _SURFACE
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{
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BASEOBJECT BaseObject;
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SURFOBJ SurfObj;
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FLONG flHooks;
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FLONG flFlags;
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struct _PALETTE *ppal;
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union
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{
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HANDLE hSecureUMPD; // if UMPD_SURFACE set
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HANDLE hMirrorParent;// if MIRROR_SURFACE set
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HANDLE hDDSurface; // if DIRECTDRAW_SURFACE set
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};
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SIZEL dimension; /* For SetBitmapDimension(), do NOT use
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to get width/height of bitmap, use
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bitmap.bmWidth/bitmap.bmHeight for
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that */
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HDC hDC; // Doc in "Undocumented Windows", page 546, seems to be supported with XP.
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ULONG cRef; // 0x064
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HPALETTE hpalHint;
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/* For device-independent bitmaps: */
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HANDLE hDIBSection;
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HANDLE hSecure;
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DWORD dwOffset;
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/* reactos specific */
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PFAST_MUTEX BitsLock; /* You need to hold this lock before you touch
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the actual bits in the bitmap */
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HPALETTE hDIBPalette;
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DWORD dsBitfields[3]; // hack, should probably use palette instead
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DWORD biClrUsed;
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DWORD biClrImportant;
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} SURFACE, *PSURFACE;
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#define BITMAPOBJ_IS_APIBITMAP 0x1
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/* Internal interface */
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#define SURFACE_AllocSurface() ((PSURFACE) GDIOBJ_AllocObj(GDIObjType_SURF_TYPE))
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#define SURFACE_AllocSurfaceWithHandle() ((PSURFACE) GDIOBJ_AllocObjWithHandle(GDI_OBJECT_TYPE_BITMAP))
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#define SURFACE_FreeSurface(pBMObj) GDIOBJ_FreeObj((POBJ) pBMObj, GDIObjType_SURF_TYPE)
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#define SURFACE_FreeSurfaceByHandle(hBMObj) GDIOBJ_FreeObjByHandle((HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP)
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/* NOTE: Use shared locks! */
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#define SURFACE_LockSurface(hBMObj) \
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((PSURFACE) GDIOBJ_LockObj ((HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP))
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#define SURFACE_ShareLockSurface(hBMObj) \
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((PSURFACE) GDIOBJ_ShareLockObj ((HGDIOBJ) hBMObj, GDI_OBJECT_TYPE_BITMAP))
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#define SURFACE_UnlockSurface(pBMObj) \
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GDIOBJ_UnlockObjByPtr ((POBJ)pBMObj)
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#define SURFACE_ShareUnlockSurface(pBMObj) \
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GDIOBJ_ShareUnlockObjByPtr ((POBJ)pBMObj)
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#define SURFACE_LockBitmapBits(pBMObj) ExEnterCriticalRegionAndAcquireFastMutexUnsafe((pBMObj)->BitsLock)
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#define SURFACE_UnlockBitmapBits(pBMObj) ExReleaseFastMutexUnsafeAndLeaveCriticalRegion((pBMObj)->BitsLock)
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BOOL INTERNAL_CALL SURFACE_Cleanup(PVOID ObjectBody);
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BOOL INTERNAL_CALL SURFACE_InitBitsLock(SURFACE *pBMObj);
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void INTERNAL_CALL SURFACE_CleanupBitsLock(SURFACE *pBMObj);
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#define GDIDEV(SurfObj) ((PDEVOBJ *)((SurfObj)->hdev))
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#define GDIDEVFUNCS(SurfObj) ((PDEVOBJ *)((SurfObj)->hdev))->DriverFunctions
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INT FASTCALL BitsPerFormat (ULONG Format);
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ULONG FASTCALL BitmapFormat (WORD Bits, DWORD Compression);
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