mirror of
https://github.com/reactos/reactos.git
synced 2025-04-06 05:34:22 +00:00
8191f95396
- Sync with trunk 50501 - fix a couple of merge artifacts (indentation) svn path=/branches/cmake-bringup/; revision=50505
994 lines
26 KiB
C
994 lines
26 KiB
C
/*
|
|
* ReactOS W32 Subsystem
|
|
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include <win32k.h>
|
|
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
LONG APIENTRY
|
|
IntSetBitmapBits(
|
|
PSURFACE psurf,
|
|
DWORD Bytes,
|
|
IN PBYTE Bits)
|
|
{
|
|
/* Don't copy more bytes than the buffer has */
|
|
Bytes = min(Bytes, psurf->SurfObj.cjBits);
|
|
|
|
RtlCopyMemory(psurf->SurfObj.pvBits, Bits, Bytes);
|
|
|
|
return Bytes;
|
|
}
|
|
|
|
void
|
|
NTAPI
|
|
UnsafeSetBitmapBits(
|
|
PSURFACE psurf,
|
|
IN ULONG cjBits,
|
|
IN PVOID pvBits)
|
|
{
|
|
PUCHAR pjDst, pjSrc;
|
|
LONG lDeltaDst, lDeltaSrc;
|
|
ULONG nWidth, nHeight, cBitsPixel;
|
|
|
|
nWidth = psurf->SurfObj.sizlBitmap.cx;
|
|
nHeight = psurf->SurfObj.sizlBitmap.cy;
|
|
cBitsPixel = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
|
|
|
|
/* Get pointers */
|
|
pjDst = psurf->SurfObj.pvScan0;
|
|
pjSrc = pvBits;
|
|
lDeltaDst = psurf->SurfObj.lDelta;
|
|
lDeltaSrc = WIDTH_BYTES_ALIGN16(nWidth, cBitsPixel);
|
|
|
|
while (nHeight--)
|
|
{
|
|
/* Copy one line */
|
|
memcpy(pjDst, pjSrc, lDeltaSrc);
|
|
pjSrc += lDeltaSrc;
|
|
pjDst += lDeltaDst;
|
|
}
|
|
|
|
}
|
|
|
|
HBITMAP
|
|
APIENTRY
|
|
GreCreateBitmapEx(
|
|
IN INT nWidth,
|
|
IN INT nHeight,
|
|
IN ULONG cjWidthBytes,
|
|
IN ULONG iFormat,
|
|
IN USHORT fjBitmap,
|
|
IN ULONG cjSizeImage,
|
|
IN OPTIONAL PVOID pvBits,
|
|
IN FLONG flags)
|
|
{
|
|
PSURFACE psurf;
|
|
SURFOBJ *pso;
|
|
HBITMAP hbmp;
|
|
PVOID pvCompressedBits;
|
|
SIZEL sizl;
|
|
|
|
/* Verify format */
|
|
if (iFormat < BMF_1BPP || iFormat > BMF_PNG) return NULL;
|
|
|
|
/* Allocate a surface */
|
|
psurf = SURFACE_AllocSurface(STYPE_BITMAP, nWidth, nHeight, iFormat);
|
|
if (!psurf)
|
|
{
|
|
DPRINT1("SURFACE_AllocSurface failed.\n");
|
|
return NULL;
|
|
}
|
|
|
|
/* Get the handle for the bitmap and the surfobj */
|
|
hbmp = (HBITMAP)psurf->SurfObj.hsurf;
|
|
pso = &psurf->SurfObj;
|
|
|
|
/* The infamous RLE hack */
|
|
if (iFormat == BMF_4RLE || iFormat == BMF_8RLE)
|
|
{
|
|
sizl.cx = nWidth;
|
|
sizl.cy = nHeight;
|
|
pvCompressedBits = pvBits;
|
|
pvBits = EngAllocMem(FL_ZERO_MEMORY, pso->cjBits, TAG_DIB);
|
|
if (!pvBits)
|
|
{
|
|
EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|
SURFACE_FreeSurfaceByHandle(hbmp);
|
|
return NULL;
|
|
}
|
|
DecompressBitmap(sizl, pvCompressedBits, pvBits, pso->lDelta, iFormat);
|
|
fjBitmap |= BMF_RLE_HACK;
|
|
}
|
|
|
|
/* Mark as API bitmap */
|
|
psurf->flags |= (flags | API_BITMAP);
|
|
|
|
/* Set the bitmap bits */
|
|
if (!SURFACE_bSetBitmapBits(psurf, fjBitmap, cjWidthBytes, pvBits))
|
|
{
|
|
/* Bail out if that failed */
|
|
DPRINT1("SURFACE_bSetBitmapBits failed.\n");
|
|
EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|
SURFACE_FreeSurfaceByHandle(hbmp);
|
|
return NULL;
|
|
}
|
|
|
|
/* Unlock the surface and return */
|
|
SURFACE_UnlockSurface(psurf);
|
|
return hbmp;
|
|
}
|
|
|
|
/* Creates a DDB surface,
|
|
* as in CreateCompatibleBitmap or CreateBitmap.
|
|
*/
|
|
HBITMAP
|
|
APIENTRY
|
|
GreCreateBitmap(
|
|
IN INT nWidth,
|
|
IN INT nHeight,
|
|
IN UINT cPlanes,
|
|
IN UINT cBitsPixel,
|
|
IN OPTIONAL PVOID pvBits)
|
|
{
|
|
/* Call the extended function */
|
|
return GreCreateBitmapEx(nWidth,
|
|
nHeight,
|
|
0, /* auto width */
|
|
BitmapFormat(cBitsPixel * cPlanes, BI_RGB),
|
|
0, /* no bitmap flags */
|
|
0, /* auto size */
|
|
pvBits,
|
|
DDB_SURFACE /* DDB */);
|
|
}
|
|
|
|
HBITMAP
|
|
APIENTRY
|
|
NtGdiCreateBitmap(
|
|
IN INT nWidth,
|
|
IN INT nHeight,
|
|
IN UINT cPlanes,
|
|
IN UINT cBitsPixel,
|
|
IN OPTIONAL LPBYTE pUnsafeBits)
|
|
{
|
|
HBITMAP hbmp;
|
|
ULONG cRealBpp, cjWidthBytes, iFormat;
|
|
ULONGLONG cjSize;
|
|
|
|
/* Calculate bitmap format and real bits per pixel. */
|
|
iFormat = BitmapFormat(cBitsPixel * cPlanes, BI_RGB);
|
|
cRealBpp = gajBitsPerFormat[iFormat];
|
|
|
|
/* Calculate width and image size in bytes */
|
|
cjWidthBytes = WIDTH_BYTES_ALIGN16(nWidth, cRealBpp);
|
|
cjSize = cjWidthBytes * nHeight;
|
|
|
|
/* Check parameters (possible overflow of cjWidthBytes!) */
|
|
if (iFormat == 0 || nWidth <= 0 || nWidth >= 0x8000000 || nHeight <= 0 ||
|
|
cBitsPixel > 32 || cPlanes > 32 || cjSize >= 0x100000000ULL)
|
|
{
|
|
DPRINT1("Invalid bitmap format! Width=%d, Height=%d, Bpp=%d, Planes=%d\n",
|
|
nWidth, nHeight, cBitsPixel, cPlanes);
|
|
EngSetLastError(ERROR_INVALID_PARAMETER);
|
|
return NULL;
|
|
}
|
|
|
|
/* Call internal function. */
|
|
hbmp = GreCreateBitmapEx(nWidth, nHeight, 0, iFormat, 0, 0, NULL, DDB_SURFACE);
|
|
|
|
if (pUnsafeBits && hbmp)
|
|
{
|
|
PSURFACE psurf = SURFACE_LockSurface(hbmp);
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForRead(pUnsafeBits, cjSize, 1);
|
|
UnsafeSetBitmapBits(psurf, 0, pUnsafeBits);
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
SURFACE_UnlockSurface(psurf);
|
|
SURFACE_FreeSurfaceByHandle(hbmp);
|
|
_SEH2_YIELD(return NULL;)
|
|
}
|
|
_SEH2_END
|
|
|
|
SURFACE_UnlockSurface(psurf);
|
|
}
|
|
|
|
return hbmp;
|
|
}
|
|
|
|
|
|
HBITMAP FASTCALL
|
|
IntCreateCompatibleBitmap(
|
|
PDC Dc,
|
|
INT Width,
|
|
INT Height)
|
|
{
|
|
HBITMAP Bmp = NULL;
|
|
|
|
/* MS doc says if width or height is 0, return 1-by-1 pixel, monochrome bitmap */
|
|
if (0 == Width || 0 == Height)
|
|
{
|
|
Bmp = NtGdiGetStockObject(DEFAULT_BITMAP);
|
|
}
|
|
else
|
|
{
|
|
if (Dc->dctype != DC_TYPE_MEMORY)
|
|
{
|
|
PSURFACE psurf;
|
|
|
|
Bmp = GreCreateBitmap(abs(Width),
|
|
abs(Height),
|
|
1,
|
|
Dc->ppdev->gdiinfo.cBitsPixel,
|
|
NULL);
|
|
psurf = SURFACE_LockSurface(Bmp);
|
|
ASSERT(psurf);
|
|
/* Set palette */
|
|
psurf->ppal = PALETTE_ShareLockPalette(Dc->ppdev->devinfo.hpalDefault);
|
|
/* Set flags */
|
|
psurf->flags = API_BITMAP;
|
|
psurf->hdc = NULL; // Fixme
|
|
SURFACE_UnlockSurface(psurf);
|
|
}
|
|
else
|
|
{
|
|
DIBSECTION dibs;
|
|
INT Count;
|
|
PSURFACE psurf = Dc->dclevel.pSurface;
|
|
Count = BITMAP_GetObject(psurf, sizeof(dibs), &dibs);
|
|
|
|
if (Count)
|
|
{
|
|
if (Count == sizeof(BITMAP))
|
|
{
|
|
PSURFACE psurfBmp;
|
|
|
|
Bmp = GreCreateBitmap(abs(Width),
|
|
abs(Height),
|
|
1,
|
|
dibs.dsBm.bmBitsPixel,
|
|
NULL);
|
|
psurfBmp = SURFACE_LockSurface(Bmp);
|
|
ASSERT(psurfBmp);
|
|
/* Assign palette */
|
|
psurfBmp->ppal = psurf->ppal;
|
|
GDIOBJ_IncrementShareCount((POBJ)psurf->ppal);
|
|
/* Set flags */
|
|
psurfBmp->flags = API_BITMAP;
|
|
psurfBmp->hdc = NULL; // Fixme
|
|
SURFACE_UnlockSurface(psurfBmp);
|
|
}
|
|
else
|
|
{
|
|
/* A DIB section is selected in the DC */
|
|
BYTE buf[sizeof(BITMAPINFOHEADER) + 256*sizeof(RGBQUAD)] = {0};
|
|
PVOID Bits;
|
|
BITMAPINFO* bi = (BITMAPINFO*)buf;
|
|
|
|
bi->bmiHeader.biSize = sizeof(bi->bmiHeader);
|
|
bi->bmiHeader.biWidth = Width;
|
|
bi->bmiHeader.biHeight = Height;
|
|
bi->bmiHeader.biPlanes = dibs.dsBmih.biPlanes;
|
|
bi->bmiHeader.biBitCount = dibs.dsBmih.biBitCount;
|
|
bi->bmiHeader.biCompression = dibs.dsBmih.biCompression;
|
|
bi->bmiHeader.biSizeImage = 0;
|
|
bi->bmiHeader.biXPelsPerMeter = dibs.dsBmih.biXPelsPerMeter;
|
|
bi->bmiHeader.biYPelsPerMeter = dibs.dsBmih.biYPelsPerMeter;
|
|
bi->bmiHeader.biClrUsed = dibs.dsBmih.biClrUsed;
|
|
bi->bmiHeader.biClrImportant = dibs.dsBmih.biClrImportant;
|
|
|
|
if (bi->bmiHeader.biCompression == BI_BITFIELDS)
|
|
{
|
|
/* Copy the color masks */
|
|
RtlCopyMemory(bi->bmiColors, dibs.dsBitfields, 3*sizeof(RGBQUAD));
|
|
}
|
|
else if (bi->bmiHeader.biBitCount <= 8)
|
|
{
|
|
/* Copy the color table */
|
|
UINT Index;
|
|
PPALETTE PalGDI;
|
|
|
|
if (!psurf->ppal)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return 0;
|
|
}
|
|
|
|
PalGDI = PALETTE_LockPalette(psurf->ppal->BaseObject.hHmgr);
|
|
|
|
for (Index = 0;
|
|
Index < 256 && Index < PalGDI->NumColors;
|
|
Index++)
|
|
{
|
|
bi->bmiColors[Index].rgbRed = PalGDI->IndexedColors[Index].peRed;
|
|
bi->bmiColors[Index].rgbGreen = PalGDI->IndexedColors[Index].peGreen;
|
|
bi->bmiColors[Index].rgbBlue = PalGDI->IndexedColors[Index].peBlue;
|
|
bi->bmiColors[Index].rgbReserved = 0;
|
|
}
|
|
PALETTE_UnlockPalette(PalGDI);
|
|
|
|
Bmp = DIB_CreateDIBSection(Dc,
|
|
bi,
|
|
DIB_RGB_COLORS,
|
|
&Bits,
|
|
NULL,
|
|
0,
|
|
0);
|
|
return Bmp;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return Bmp;
|
|
}
|
|
|
|
HBITMAP APIENTRY
|
|
NtGdiCreateCompatibleBitmap(
|
|
HDC hDC,
|
|
INT Width,
|
|
INT Height)
|
|
{
|
|
HBITMAP Bmp;
|
|
PDC Dc;
|
|
|
|
if (Width <= 0 || Height <= 0 || (Width * Height) > 0x3FFFFFFF)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_PARAMETER);
|
|
return NULL;
|
|
}
|
|
|
|
if (!hDC)
|
|
return GreCreateBitmap(Width, Height, 1, 1, 0);
|
|
|
|
Dc = DC_LockDc(hDC);
|
|
|
|
DPRINT("NtGdiCreateCompatibleBitmap(%04x,%d,%d, bpp:%d) = \n",
|
|
hDC, Width, Height, Dc->ppdev->gdiinfo.cBitsPixel);
|
|
|
|
if (NULL == Dc)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return NULL;
|
|
}
|
|
|
|
Bmp = IntCreateCompatibleBitmap(Dc, Width, Height);
|
|
|
|
DPRINT("\t\t%04x\n", Bmp);
|
|
DC_UnlockDc(Dc);
|
|
return Bmp;
|
|
}
|
|
|
|
BOOL APIENTRY
|
|
NtGdiGetBitmapDimension(
|
|
HBITMAP hBitmap,
|
|
LPSIZE Dimension)
|
|
{
|
|
PSURFACE psurfBmp;
|
|
BOOL Ret = TRUE;
|
|
|
|
if (hBitmap == NULL)
|
|
return FALSE;
|
|
|
|
psurfBmp = SURFACE_LockSurface(hBitmap);
|
|
if (psurfBmp == NULL)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForWrite(Dimension, sizeof(SIZE), 1);
|
|
*Dimension = psurfBmp->sizlDim;
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Ret = FALSE;
|
|
}
|
|
_SEH2_END
|
|
|
|
SURFACE_UnlockSurface(psurfBmp);
|
|
|
|
return Ret;
|
|
}
|
|
|
|
COLORREF APIENTRY
|
|
NtGdiGetPixel(HDC hDC, INT XPos, INT YPos)
|
|
{
|
|
PDC dc = NULL;
|
|
COLORREF Result = (COLORREF)CLR_INVALID; // default to failure
|
|
BOOL bInRect = FALSE;
|
|
SURFACE *psurf;
|
|
SURFOBJ *pso;
|
|
EXLATEOBJ exlo;
|
|
HBITMAP hBmpTmp;
|
|
|
|
dc = DC_LockDc(hDC);
|
|
|
|
if (!dc)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return Result;
|
|
}
|
|
|
|
if (dc->dctype == DC_TYPE_INFO)
|
|
{
|
|
DC_UnlockDc(dc);
|
|
return Result;
|
|
}
|
|
|
|
XPos += dc->ptlDCOrig.x;
|
|
YPos += dc->ptlDCOrig.y;
|
|
if (RECTL_bPointInRect(&dc->rosdc.CombinedClip->rclBounds, XPos, YPos))
|
|
{
|
|
bInRect = TRUE;
|
|
psurf = dc->dclevel.pSurface;
|
|
if (psurf)
|
|
{
|
|
pso = &psurf->SurfObj;
|
|
EXLATEOBJ_vInitialize(&exlo, psurf->ppal, &gpalRGB, 0, 0xffffff, 0);
|
|
// check if this DC has a DIB behind it...
|
|
if (pso->pvScan0) // STYPE_BITMAP == pso->iType
|
|
{
|
|
ASSERT(pso->lDelta);
|
|
Result = XLATEOBJ_iXlate(&exlo.xlo,
|
|
DibFunctionsForBitmapFormat[pso->iBitmapFormat].DIB_GetPixel(pso, XPos, YPos));
|
|
}
|
|
|
|
EXLATEOBJ_vCleanup(&exlo);
|
|
}
|
|
}
|
|
DC_UnlockDc(dc);
|
|
|
|
// if Result is still CLR_INVALID, then the "quick" method above didn't work
|
|
if (bInRect && Result == CLR_INVALID)
|
|
{
|
|
// FIXME: create a 1x1 32BPP DIB, and blit to it
|
|
HDC hDCTmp = NtGdiCreateCompatibleDC(hDC);
|
|
if (hDCTmp)
|
|
{
|
|
static const BITMAPINFOHEADER bih = { sizeof(BITMAPINFOHEADER), 1, 1, 1, 32, BI_RGB, 0, 0, 0, 0, 0 };
|
|
BITMAPINFO bi;
|
|
RtlMoveMemory(&(bi.bmiHeader), &bih, sizeof(bih));
|
|
hBmpTmp = NtGdiCreateDIBitmapInternal(hDC,
|
|
bi.bmiHeader.biWidth,
|
|
bi.bmiHeader.biHeight,
|
|
0,
|
|
NULL,
|
|
&bi,
|
|
DIB_RGB_COLORS,
|
|
bi.bmiHeader.biBitCount,
|
|
bi.bmiHeader.biSizeImage,
|
|
0,
|
|
0);
|
|
|
|
//HBITMAP hBmpTmp = GreCreateBitmap(1, 1, 1, 32, NULL);
|
|
if (hBmpTmp)
|
|
{
|
|
HBITMAP hBmpOld = (HBITMAP)NtGdiSelectBitmap(hDCTmp, hBmpTmp);
|
|
if (hBmpOld)
|
|
{
|
|
PSURFACE psurf;
|
|
|
|
NtGdiBitBlt(hDCTmp, 0, 0, 1, 1, hDC, XPos, YPos, SRCCOPY, 0, 0);
|
|
NtGdiSelectBitmap(hDCTmp, hBmpOld);
|
|
|
|
// our bitmap is no longer selected, so we can access it's stuff...
|
|
psurf = SURFACE_LockSurface(hBmpTmp);
|
|
if (psurf)
|
|
{
|
|
// Dont you need to convert something here?
|
|
Result = *(COLORREF*)psurf->SurfObj.pvScan0;
|
|
SURFACE_UnlockSurface(psurf);
|
|
}
|
|
}
|
|
GreDeleteObject(hBmpTmp);
|
|
}
|
|
NtGdiDeleteObjectApp(hDCTmp);
|
|
}
|
|
}
|
|
|
|
return Result;
|
|
}
|
|
|
|
|
|
LONG APIENTRY
|
|
IntGetBitmapBits(
|
|
PSURFACE psurf,
|
|
DWORD Bytes,
|
|
OUT PBYTE Bits)
|
|
{
|
|
LONG ret;
|
|
|
|
ASSERT(Bits);
|
|
|
|
/* Don't copy more bytes than the buffer has */
|
|
Bytes = min(Bytes, psurf->SurfObj.cjBits);
|
|
|
|
#if 0
|
|
/* FIXME: Call DDI CopyBits here if available */
|
|
if (psurf->DDBitmap)
|
|
{
|
|
DPRINT("Calling device specific BitmapBits\n");
|
|
if (psurf->DDBitmap->funcs->pBitmapBits)
|
|
{
|
|
ret = psurf->DDBitmap->funcs->pBitmapBits(hbitmap,
|
|
bits,
|
|
count,
|
|
DDB_GET);
|
|
}
|
|
else
|
|
{
|
|
ERR_(bitmap)("BitmapBits == NULL??\n");
|
|
ret = 0;
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
RtlCopyMemory(Bits, psurf->SurfObj.pvBits, Bytes);
|
|
ret = Bytes;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
VOID
|
|
FASTCALL
|
|
UnsafeGetBitmapBits(
|
|
PSURFACE psurf,
|
|
DWORD Bytes,
|
|
OUT PBYTE pvBits)
|
|
{
|
|
PUCHAR pjDst, pjSrc;
|
|
LONG lDeltaDst, lDeltaSrc;
|
|
ULONG nWidth, nHeight, cBitsPixel;
|
|
|
|
nWidth = psurf->SurfObj.sizlBitmap.cx;
|
|
nHeight = psurf->SurfObj.sizlBitmap.cy;
|
|
cBitsPixel = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
|
|
|
|
/* Get pointers */
|
|
pjSrc = psurf->SurfObj.pvScan0;
|
|
pjDst = pvBits;
|
|
lDeltaSrc = psurf->SurfObj.lDelta;
|
|
lDeltaDst = WIDTH_BYTES_ALIGN16(nWidth, cBitsPixel);
|
|
|
|
while (nHeight--)
|
|
{
|
|
/* Copy one line */
|
|
RtlCopyMemory(pjDst, pjSrc, lDeltaDst);
|
|
pjSrc += lDeltaSrc;
|
|
pjDst += lDeltaDst;
|
|
}
|
|
}
|
|
|
|
LONG APIENTRY
|
|
NtGdiGetBitmapBits(
|
|
HBITMAP hBitmap,
|
|
ULONG Bytes,
|
|
OUT OPTIONAL PBYTE pUnsafeBits)
|
|
{
|
|
PSURFACE psurf;
|
|
LONG bmSize, ret;
|
|
|
|
if (pUnsafeBits != NULL && Bytes == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
psurf = SURFACE_LockSurface(hBitmap);
|
|
if (!psurf)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return 0;
|
|
}
|
|
|
|
bmSize = WIDTH_BYTES_ALIGN16(psurf->SurfObj.sizlBitmap.cx,
|
|
BitsPerFormat(psurf->SurfObj.iBitmapFormat)) *
|
|
abs(psurf->SurfObj.sizlBitmap.cy);
|
|
|
|
/* If the bits vector is null, the function should return the read size */
|
|
if (pUnsafeBits == NULL)
|
|
{
|
|
SURFACE_UnlockSurface(psurf);
|
|
return bmSize;
|
|
}
|
|
|
|
/* Don't copy more bytes than the buffer has */
|
|
Bytes = min(Bytes, bmSize);
|
|
|
|
// FIXME: use MmSecureVirtualMemory
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForWrite(pUnsafeBits, Bytes, 1);
|
|
UnsafeGetBitmapBits(psurf, Bytes, pUnsafeBits);
|
|
ret = Bytes;
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
ret = 0;
|
|
}
|
|
_SEH2_END
|
|
|
|
SURFACE_UnlockSurface(psurf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
LONG APIENTRY
|
|
NtGdiSetBitmapBits(
|
|
HBITMAP hBitmap,
|
|
DWORD Bytes,
|
|
IN PBYTE pUnsafeBits)
|
|
{
|
|
LONG ret;
|
|
PSURFACE psurf;
|
|
|
|
if (pUnsafeBits == NULL || Bytes == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
psurf = SURFACE_LockSurface(hBitmap);
|
|
if (psurf == NULL)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return 0;
|
|
}
|
|
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForRead(pUnsafeBits, Bytes, 1);
|
|
UnsafeSetBitmapBits(psurf, Bytes, pUnsafeBits);
|
|
ret = 1;
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
ret = 0;
|
|
}
|
|
_SEH2_END
|
|
|
|
SURFACE_UnlockSurface(psurf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
BOOL APIENTRY
|
|
NtGdiSetBitmapDimension(
|
|
HBITMAP hBitmap,
|
|
INT Width,
|
|
INT Height,
|
|
LPSIZE Size)
|
|
{
|
|
PSURFACE psurf;
|
|
BOOL Ret = TRUE;
|
|
|
|
if (hBitmap == NULL)
|
|
return FALSE;
|
|
|
|
psurf = SURFACE_LockSurface(hBitmap);
|
|
if (psurf == NULL)
|
|
{
|
|
EngSetLastError(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
if (Size)
|
|
{
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForWrite(Size, sizeof(SIZE), 1);
|
|
*Size = psurf->sizlDim;
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Ret = FALSE;
|
|
}
|
|
_SEH2_END
|
|
}
|
|
|
|
/* The dimension is changed even if writing the old value failed */
|
|
psurf->sizlDim.cx = Width;
|
|
psurf->sizlDim.cy = Height;
|
|
|
|
SURFACE_UnlockSurface(psurf);
|
|
|
|
return Ret;
|
|
}
|
|
|
|
VOID IntHandleSpecialColorType(HDC hDC, COLORREF* Color)
|
|
{
|
|
PDC pdc = NULL;
|
|
RGBQUAD quad;
|
|
PALETTEENTRY palEntry;
|
|
UINT index;
|
|
|
|
switch (*Color >> 24)
|
|
{
|
|
case 0x10: /* DIBINDEX */
|
|
if (IntGetDIBColorTable(hDC, LOWORD(*Color), 1, &quad) == 1)
|
|
{
|
|
*Color = RGB(quad.rgbRed, quad.rgbGreen, quad.rgbBlue);
|
|
}
|
|
else
|
|
{
|
|
/* Out of color table bounds - use black */
|
|
*Color = RGB(0, 0, 0);
|
|
}
|
|
break;
|
|
case 0x02: /* PALETTERGB */
|
|
pdc = DC_LockDc(hDC);
|
|
if (pdc->dclevel.hpal != NtGdiGetStockObject(DEFAULT_PALETTE))
|
|
{
|
|
index = NtGdiGetNearestPaletteIndex(pdc->dclevel.hpal, *Color);
|
|
IntGetPaletteEntries(pdc->dclevel.hpal, index, 1, &palEntry);
|
|
*Color = RGB(palEntry.peRed, palEntry.peGreen, palEntry.peBlue);
|
|
}
|
|
else
|
|
{
|
|
/* Use the pure color */
|
|
*Color = *Color & 0x00FFFFFF;
|
|
}
|
|
DC_UnlockDc(pdc);
|
|
break;
|
|
case 0x01: /* PALETTEINDEX */
|
|
pdc = DC_LockDc(hDC);
|
|
if (IntGetPaletteEntries(pdc->dclevel.hpal, LOWORD(*Color), 1, &palEntry) == 1)
|
|
{
|
|
*Color = RGB(palEntry.peRed, palEntry.peGreen, palEntry.peBlue);
|
|
}
|
|
else
|
|
{
|
|
/* Index does not exist, use zero index */
|
|
IntGetPaletteEntries(pdc->dclevel.hpal, 0, 1, &palEntry);
|
|
*Color = RGB(palEntry.peRed, palEntry.peGreen, palEntry.peBlue);
|
|
}
|
|
DC_UnlockDc(pdc);
|
|
break;
|
|
default:
|
|
DPRINT("Unsupported color type %d passed\n", *Color >> 24);
|
|
break;
|
|
}
|
|
}
|
|
|
|
BOOL APIENTRY
|
|
GdiSetPixelV(
|
|
HDC hDC,
|
|
INT X,
|
|
INT Y,
|
|
COLORREF Color)
|
|
{
|
|
HBRUSH hBrush;
|
|
HGDIOBJ OldBrush;
|
|
|
|
if ((Color & 0xFF000000) != 0)
|
|
{
|
|
IntHandleSpecialColorType(hDC, &Color);
|
|
}
|
|
|
|
hBrush = NtGdiCreateSolidBrush(Color, NULL);
|
|
if (hBrush == NULL)
|
|
return FALSE;
|
|
|
|
OldBrush = NtGdiSelectBrush(hDC, hBrush);
|
|
if (OldBrush == NULL)
|
|
{
|
|
GreDeleteObject(hBrush);
|
|
return FALSE;
|
|
}
|
|
|
|
NtGdiPatBlt(hDC, X, Y, 1, 1, PATCOPY);
|
|
NtGdiSelectBrush(hDC, OldBrush);
|
|
GreDeleteObject(hBrush);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
COLORREF APIENTRY
|
|
NtGdiSetPixel(
|
|
HDC hDC,
|
|
INT X,
|
|
INT Y,
|
|
COLORREF Color)
|
|
{
|
|
DPRINT("0 NtGdiSetPixel X %ld Y %ld C %ld\n", X, Y, Color);
|
|
|
|
if (GdiSetPixelV(hDC,X,Y,Color))
|
|
{
|
|
Color = NtGdiGetPixel(hDC,X,Y);
|
|
DPRINT("1 NtGdiSetPixel X %ld Y %ld C %ld\n", X, Y, Color);
|
|
return Color;
|
|
}
|
|
|
|
Color = (COLORREF)CLR_INVALID;
|
|
DPRINT("2 NtGdiSetPixel X %ld Y %ld C %ld\n", X, Y, Color);
|
|
return Color;
|
|
}
|
|
|
|
|
|
/* Internal Functions */
|
|
|
|
HBITMAP FASTCALL
|
|
BITMAP_CopyBitmap(HBITMAP hBitmap)
|
|
{
|
|
HBITMAP res;
|
|
BITMAP bm;
|
|
SURFACE *Bitmap, *resBitmap;
|
|
SIZEL Size;
|
|
|
|
if (hBitmap == NULL)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
Bitmap = SURFACE_LockSurface(hBitmap);
|
|
if (Bitmap == NULL)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
BITMAP_GetObject(Bitmap, sizeof(BITMAP), (PVOID)&bm);
|
|
bm.bmBits = NULL;
|
|
if (Bitmap->SurfObj.lDelta >= 0)
|
|
bm.bmHeight = -bm.bmHeight;
|
|
|
|
Size.cx = abs(bm.bmWidth);
|
|
Size.cy = abs(bm.bmHeight);
|
|
res = GreCreateBitmapEx(Size.cx,
|
|
Size.cy,
|
|
bm.bmWidthBytes,
|
|
Bitmap->SurfObj.iBitmapFormat,
|
|
Bitmap->SurfObj.fjBitmap,
|
|
Bitmap->SurfObj.cjBits,
|
|
NULL,
|
|
Bitmap->flags);
|
|
|
|
|
|
if (res)
|
|
{
|
|
resBitmap = SURFACE_LockSurface(res);
|
|
if (resBitmap)
|
|
{
|
|
IntSetBitmapBits(resBitmap, Bitmap->SurfObj.cjBits, Bitmap->SurfObj.pvBits);
|
|
SURFACE_UnlockSurface(resBitmap);
|
|
}
|
|
else
|
|
{
|
|
GreDeleteObject(res);
|
|
res = NULL;
|
|
}
|
|
}
|
|
|
|
SURFACE_UnlockSurface(Bitmap);
|
|
|
|
return res;
|
|
}
|
|
|
|
INT APIENTRY
|
|
BITMAP_GetObject(SURFACE *psurf, INT Count, LPVOID buffer)
|
|
{
|
|
PBITMAP pBitmap;
|
|
|
|
if (!buffer) return sizeof(BITMAP);
|
|
if ((UINT)Count < sizeof(BITMAP)) return 0;
|
|
|
|
/* always fill a basic BITMAP structure */
|
|
pBitmap = buffer;
|
|
pBitmap->bmType = 0;
|
|
pBitmap->bmWidth = psurf->SurfObj.sizlBitmap.cx;
|
|
pBitmap->bmHeight = psurf->SurfObj.sizlBitmap.cy;
|
|
pBitmap->bmPlanes = 1;
|
|
pBitmap->bmBitsPixel = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
|
|
pBitmap->bmWidthBytes = WIDTH_BYTES_ALIGN16(pBitmap->bmWidth, pBitmap->bmBitsPixel);
|
|
|
|
/* Check for DIB section */
|
|
if (psurf->hSecure)
|
|
{
|
|
/* Set bmBits in this case */
|
|
pBitmap->bmBits = psurf->SurfObj.pvBits;
|
|
/* DIBs data are 32 bits aligned */
|
|
pBitmap->bmWidthBytes = WIDTH_BYTES_ALIGN32(pBitmap->bmWidth, pBitmap->bmBitsPixel);
|
|
|
|
if (Count >= sizeof(DIBSECTION))
|
|
{
|
|
/* Fill rest of DIBSECTION */
|
|
PDIBSECTION pds = buffer;
|
|
|
|
pds->dsBmih.biSize = sizeof(BITMAPINFOHEADER);
|
|
pds->dsBmih.biWidth = pds->dsBm.bmWidth;
|
|
pds->dsBmih.biHeight = pds->dsBm.bmHeight;
|
|
pds->dsBmih.biPlanes = pds->dsBm.bmPlanes;
|
|
pds->dsBmih.biBitCount = pds->dsBm.bmBitsPixel;
|
|
if(psurf->ppal->flFlags & PAL_BITFIELDS)
|
|
{
|
|
pds->dsBmih.biCompression = BI_BITFIELDS;
|
|
}
|
|
else
|
|
{
|
|
switch (psurf->SurfObj.iBitmapFormat)
|
|
{
|
|
case BMF_1BPP:
|
|
case BMF_4BPP:
|
|
case BMF_8BPP:
|
|
case BMF_16BPP:
|
|
case BMF_24BPP:
|
|
case BMF_32BPP:
|
|
pds->dsBmih.biCompression = BI_RGB;
|
|
break;
|
|
case BMF_4RLE:
|
|
pds->dsBmih.biCompression = BI_RLE4;
|
|
break;
|
|
case BMF_8RLE:
|
|
pds->dsBmih.biCompression = BI_RLE8;
|
|
break;
|
|
case BMF_JPEG:
|
|
pds->dsBmih.biCompression = BI_JPEG;
|
|
break;
|
|
case BMF_PNG:
|
|
pds->dsBmih.biCompression = BI_PNG;
|
|
break;
|
|
}
|
|
}
|
|
pds->dsBmih.biSizeImage = psurf->SurfObj.cjBits;
|
|
pds->dsBmih.biXPelsPerMeter = 0;
|
|
pds->dsBmih.biYPelsPerMeter = 0;
|
|
pds->dsBmih.biClrUsed = psurf->ppal->NumColors;
|
|
pds->dsBmih.biClrImportant = psurf->biClrImportant;
|
|
pds->dsBitfields[0] = psurf->ppal->RedMask;
|
|
pds->dsBitfields[1] = psurf->ppal->GreenMask;
|
|
pds->dsBitfields[2] = psurf->ppal->BlueMask;
|
|
pds->dshSection = psurf->hDIBSection;
|
|
pds->dsOffset = psurf->dwOffset;
|
|
|
|
return sizeof(DIBSECTION);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* not set according to wine test, confirmed in win2k */
|
|
pBitmap->bmBits = NULL;
|
|
}
|
|
|
|
return sizeof(BITMAP);
|
|
}
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
HDC
|
|
APIENTRY
|
|
NtGdiGetDCforBitmap(
|
|
IN HBITMAP hsurf)
|
|
{
|
|
HDC hdc = NULL;
|
|
PSURFACE psurf = SURFACE_LockSurface(hsurf);
|
|
if (psurf)
|
|
{
|
|
hdc = psurf->hdc;
|
|
SURFACE_UnlockSurface(psurf);
|
|
}
|
|
return hdc;
|
|
}
|
|
|
|
|
|
/* EOF */
|