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svn path=/trunk/; revision=608
This commit is contained in:
Jason Filby
1999-08-01 11:21:05 +00:00
parent e7cf9302fa
commit bebdd316d5
8 changed files with 358 additions and 0 deletions
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reactos/subsys/win32k/eng/bitmap.c
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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: GDI Driver Bitmap Functions
* FILE: subsys/win32k/eng/bitmap.c
* PROGRAMER: Jason Filby
* REVISION HISTORY:
* 3/7/1999: Created
*/
#include <ddk/winddi.h>
HBITMAP EngCreateDeviceBitmap(DHSURF dhsurf, SIZEL Size, ULONG Format)
{
BITMAP *btc;
ULONG bpp, cplanes;
if(Format==BMF_1BPP)
{
bpp=1;
cplanes=1;
} else
if((Format==BMF_4BPP) || (Format==BMF_4RLE))
{
bpp=4;
cplanes=1;
} else
if((Format==BMF_8BPP) || (Format==BMF_8RLE))
{
bpp=8;
cplanes=1;
} else
if(Format==BMF_16BPP)
{
bpp=16;
cplanes=2;
} else
if(Format==BMF_24BPP)
{
bpp=24;
cplanes=3;
} else
if(Format==BMF_32BPP)
{
bpp=32;
cplanes=4;
}
// Allocate memory for the bitmap structure
btc=EngAllocMem(FL_ZERO_MEMORY, sizeof(BITMAP), 0);
// Assign properties of newly created bitmap
btc->bmType = Format;
btc->bmWidth = Size.cx;
btc->bmHeight = Size.cy;
btc->bmWidthBytes = Size.cx * cplanes;
btc->bmPlanes = cplanes;
btc->bmBitsPixel = bpp;
// Assume that the value returned from ExAllocatePool is the handle value
return btc;
}
HBITMAP EngCreateBitmap(IN SIZEL Size,
IN LONG Width,
IN ULONG Format,
IN ULONG Flags,
IN PVOID Bits)
{
BITMAP *btc;
ULONG tsize;
// Create the handle for the bitmap
btc = EngCreateDeviceBitmap(NULL, Size, Format);
// Size of bitmap = total pixels * color planes
tsize=Size.cx*Size.cy*btc->bmPlanes;
// Allocate memory for the bitmap
if(Bits!=NULL)
{
if((Flags & BMF_USERMEM)==0)
{
if((Flags & BMF_NOZEROINIT)==0)
{
Bits=EngAllocMem(FL_ZERO_MEMORY, tsize, 0);
} else {
Bits=EngAllocMem(0, tsize, 0);
}
} else
{
Bits=EngAllocUserMem(tsize, 0);
}
}
btc->bmBits = Bits;
// Assume that the value returned from ExAllocatePool is the handle value
return btc;
}
reactos/subsys/win32k/eng/brush.c
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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: GDI Driver Brush Functions
* FILE: subsys/win32k/eng/brush.c
* PROGRAMER: Jason Filby
* REVISION HISTORY:
* 3/7/1999: Created
*/
#include <ddk/winddi.h>
PVOID BRUSHOBJ_pvAllocRbrush(IN PBRUSHOBJ BrushObj,
IN ULONG ObjSize)
{
BrushObj->pvRbrush=EngAllocMem(NULL, ObjSize, 0);
}
PVOID BRUSHOBJ_pvGetRbrush(IN PBRUSHOBJ BrushObj)
{
return BrushObj->pvRbrush;
}
reactos/subsys/win32k/eng/debug.c
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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: GDI Driver Brush Functions
* FILE: subsys/win32k/eng/debug.c
* PROGRAMER: Jason Filby
* REVISION HISTORY:
* 11/7/1999: Created
*/
#include <ddk/ntddk.h>
VOID EngDebugPrint(PCHAR StandardPrefix, PCHAR DebugMessage, va_list ap)
{
DbgPrint(StandardPrefix);
DbgPrint(DebugMessage, ap);
DbgPrint("\n");
}
reactos/subsys/win32k/eng/device.c
+51
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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: GDI Driver Device Functions
* FILE: subsys/win32k/eng/device.c
* PROGRAMER: Jason Filby
* REVISION HISTORY:
* 3/7/1999: Created
*/
#include <ddk/ntddk.h>
DWORD APIENTRY EngDeviceIoControl(
HANDLE hDevice,
DWORD dwIoControlCode,
LPVOID lpInBuffer,
DWORD nInBufferSize,
LPVOID lpOutBuffer,
DWORD nOutBufferSize,
DWORD *lpBytesReturned)
{
PIRP Irp;
NTSTATUS Status;
KEVENT Event;
IO_STATUS_BLOCK Iosb;
PDEVICE_OBJECT theDevice;
ObReferenceObjectByHandle(hDevice, GENERIC_ALL, NULL, UserMode,
(PVOID *)&theDevice, NULL);
KeInitializeEvent(&Event, SynchronizationEvent, FALSE);
Irp = IoBuildDeviceIoControlRequest(dwIoControlCode,
theDevice,
lpInBuffer,
nInBufferSize,
lpOutBuffer,
nOutBufferSize,
FALSE,
&Event,
&Iosb);
Status = IoCallDriver(theDevice, Irp);
if (Status == STATUS_PENDING)
{
(void) KeWaitForSingleObject(&Event, Executive, KernelMode, TRUE, 0);
}
return (Status);
}
reactos/subsys/win32k/eng/enum.c
+38
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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: GDI Driver Enumeration Functions
* FILE: subsys/win32k/eng/enum.c
* PROGRAMER: Jason Filby
* REVISION HISTORY:
* 3/7/1999: Created
*/
#include <ddk/winddi.h>
ULONG CLIPOBJ_cEnumStart(IN PCLIPOBJ ClipObj,
IN BOOL ShouldDoAll,
IN ULONG ClipType,
IN ULONG BuildOrder,
IN ULONG MaxRects)
{
// Sets the parameters for enumerating rectables in the given clip region
ULONG enumCount = 0;
ENUMRECTS enumRects;
// MUCH WORK TO DO HERE
// Return the number of rectangles enumerated
if(enumCount>MaxRects)
{
enumCount = 0xFFFFFFFF;
}
return enumCount;
}
BOOL CLIPOBJ_bEnum(IN PCLIPOBJ ClipObj,
IN ULONG ObjSize,
OUT ULONG *EnumRects)
{
}
reactos/subsys/win32k/eng/mem.c
+43
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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: GDI Driver Memory Management Functions
* FILE: subsys/win32k/eng/mem.c
* PROGRAMER: Jason Filby
* REVISION HISTORY:
* 3/7/1999: Created
*/
#include <ddk/ntddk.h>
PVOID EngAllocMem(ULONG Flags, ULONG MemSize, ULONG Tag)
{
PVOID newMem;
newMem = ExAllocatePoolWithTag(PagedPool, MemSize, Tag);
if(Flags == FL_ZERO_MEMORY)
{
RtlZeroMemory(newMem, MemSize);
}
return newMem;
}
VOID EngFreeMem(PVOID Mem)
{
ExFreePool(Mem);
}
PVOID EngAllocUserMem(ULONG cj, ULONG tag)
{
PVOID newMem;
/* return ZwAllocateVirtualMemory(mycurrentprocess, newMem, 0, cj,
MEM_COMMIT, PAGE_READWRITE); */
}
VOID EngFreeUserMem(PVOID pv)
{
/* ZwFreeVirtualMemory (mycurrentprocess, pv, 0, MEM_DECOMMIT); */
}
reactos/subsys/win32k/eng/palette.c
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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: GDI Driver Bitmap Functions
* FILE: subsys/win32k/eng/palette.c
* PROGRAMER: Jason Filby
* REVISION HISTORY:
* 11/7/1999: Created
*/
#include <ddk/winddi.h>
HPALETTE EngCreatePalette(IN ULONG Mode,
IN ULONG NumColors,
IN PULONG *Colors,
IN ULONG Red,
IN ULONG Green,
IN ULONG Blue)
{
/* We need to take the colors given to us and generate a nice default color
model */
if(Mode==PAL_INDEXED)
{
/* For now the ultimate color model is just colors.. */
}
/* FIXME: Add support for other given palette types */
/* FIXME: Generate a handle for Colors */
return Colors;
}
BOOL EngDeletePalette(IN HPALETTE hpal)
{
/* Should actually get the pointer from this handle.. which for now IS
the pointer */
EngFreeMem(hpal);
}
reactos/subsys/win32k/eng/surface.c
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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: GDI Driver Surace Functions
* FILE: subsys/win32k/eng/surface.c
* PROGRAMER: Jason Filby
* REVISION HISTORY:
* 3/7/1999: Created
*/
#include <ddk/winddi.h>
BOOL EngAssociateSurface(IN HSURF Surface,
IN HDEV Dev,
IN ULONG Hooks)
{
SURFOBJ *Surfobj;
// Point our new Surfobj to hsurf (assumes hsurf is value returned by
// ExAllocatePool)
Surfobj = Surface;
// Associate the hdev
Surfobj->hdev = Dev;
// FIXME: Hook up the specified functions
}
BOOL APIENTRY EngDeleteSurface(HSURF hsurf)
{
// Assume the hsurf was the value returned by ExAllocatePool
ExFreePool(hsurf);
}
SURFOBJ *EngLockSurface(IN HSURF hsurf)
{
/* We assume that hsurf is the value returned from ExAllocatePool */
return EngAllocUserMem(NULL, sizeof(SURFOBJ), "");
}
VOID EngUnlockSurface(IN SURFOBJ *pso)
{
EngFreeUserMem(sizeof(pso));
}