* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include <w32k.h>
+#include <win32k.h>
#define NDEBUG
#include <debug.h>
-HBITMAP APIENTRY
-IntGdiCreateBitmap(
- INT Width,
- INT Height,
- UINT Planes,
- UINT BitsPixel,
- IN OPTIONAL LPBYTE pBits)
+LONG APIENTRY
+IntSetBitmapBits(
+ PSURFACE psurf,
+ DWORD Bytes,
+ IN PBYTE Bits)
{
- HBITMAP hBitmap;
- SIZEL Size;
- LONG WidthBytes;
- PSURFACE psurfBmp;
+ /* Don't copy more bytes than the buffer has */
+ Bytes = min(Bytes, psurf->SurfObj.cjBits);
- /* NOTE: Windows also doesn't store nr. of planes separately! */
- BitsPixel = BITMAP_GetRealBitsPixel(BitsPixel * Planes);
+ RtlCopyMemory(psurf->SurfObj.pvBits, Bits, Bytes);
- /* Check parameters */
- if (BitsPixel == 0 || Width <= 0 || Width >= 0x8000000 || Height == 0)
- {
- DPRINT1("Width = %d, Height = %d BitsPixel = %d\n",
- Width, Height, BitsPixel);
- SetLastWin32Error(ERROR_INVALID_PARAMETER);
- return 0;
- }
+ return Bytes;
+}
- WidthBytes = BITMAP_GetWidthBytes(Width, BitsPixel);
+void
+NTAPI
+UnsafeSetBitmapBits(
+ PSURFACE psurf,
+ IN ULONG cjBits,
+ IN PVOID pvBits)
+{
+ PUCHAR pjDst, pjSrc;
+ LONG lDeltaDst, lDeltaSrc;
+ ULONG nWidth, nHeight, cBitsPixel;
- Size.cx = Width;
- Size.cy = abs(Height);
+ nWidth = psurf->SurfObj.sizlBitmap.cx;
+ nHeight = psurf->SurfObj.sizlBitmap.cy;
+ cBitsPixel = BitsPerFormat(psurf->SurfObj.iBitmapFormat);
- /* Make sure that cjBits will not overflow */
- if ((ULONGLONG)WidthBytes * Size.cy >= 0x100000000ULL)
- {
- DPRINT1("Width = %d, Height = %d BitsPixel = %d\n",
- Width, Height, BitsPixel);
- SetLastWin32Error(ERROR_INVALID_PARAMETER);
- return 0;
- }
+ /* Get pointers */
+ pjDst = psurf->SurfObj.pvScan0;
+ pjSrc = pvBits;
+ lDeltaDst = psurf->SurfObj.lDelta;
+ lDeltaSrc = BITMAP_GetWidthBytes(nWidth, cBitsPixel);
- /* Create the bitmap object. */
- hBitmap = IntCreateBitmap(Size, WidthBytes,
- BitmapFormat(BitsPixel, BI_RGB),
- (Height < 0 ? BMF_TOPDOWN : 0) |
- (NULL == pBits ? 0 : BMF_NOZEROINIT), NULL);
- if (!hBitmap)
+ while (nHeight--)
{
- DPRINT("IntGdiCreateBitmap: returned 0\n");
- return 0;
+ /* Copy one line */
+ memcpy(pjDst, pjSrc, lDeltaSrc);
+ pjSrc += lDeltaSrc;
+ pjDst += lDeltaDst;
}
- psurfBmp = SURFACE_LockSurface(hBitmap);
- if (psurfBmp == NULL)
+}
+
+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)
+{
+ PSURFACE psurf;
+ SURFOBJ *pso;
+ HBITMAP hbmp;
+ PVOID pvCompressedBits;
+ SIZEL sizl;
+ FLONG fl = 0;
+
+ /* Verify format */
+ if (iFormat < BMF_1BPP || iFormat > BMF_PNG) return NULL;
+
+ /* Allocate a surface */
+ psurf = SURFACE_AllocSurface(STYPE_BITMAP, nWidth, nHeight, iFormat);
+ if (!psurf)
{
- GreDeleteObject(hBitmap);
+ DPRINT1("SURFACE_AllocSurface failed.\n");
return NULL;
}
- psurfBmp->flFlags = BITMAPOBJ_IS_APIBITMAP;
- psurfBmp->hDC = NULL; // Fixme
+ /* Get the handle for the bitmap and the surfobj */
+ hbmp = (HBITMAP)psurf->SurfObj.hsurf;
+ pso = &psurf->SurfObj;
- if (NULL != pBits)
+ /* The infamous RLE hack */
+ if (iFormat == BMF_4RLE)
+ {
+ sizl.cx = nWidth; sizl.cy = nHeight;
+ pvCompressedBits = pvBits;
+ pvBits = EngAllocMem(FL_ZERO_MEMORY, pso->cjBits, TAG_DIB);
+ Decompress4bpp(sizl, pvCompressedBits, pvBits, pso->lDelta);
+ fl |= BMF_RLE_HACK;
+ }
+ else if (iFormat == BMF_8RLE)
{
- IntSetBitmapBits(psurfBmp, psurfBmp->SurfObj.cjBits, pBits);
+ sizl.cx = nWidth; sizl.cy = nHeight;
+ pvCompressedBits = pvBits;
+ pvBits = EngAllocMem(FL_ZERO_MEMORY, pso->cjBits, TAG_DIB);
+ Decompress8bpp(sizl, pvCompressedBits, pvBits, pso->lDelta);
+ fl |= BMF_RLE_HACK;
}
- SURFACE_UnlockSurface(psurfBmp);
+ /* Set the bitmap bits */
+ if (!SURFACE_bSetBitmapBits(psurf, fjBitmap, cjWidthBytes, pvBits))
+ {
+ /* Bail out if that failed */
+ DPRINT1("SURFACE_bSetBitmapBits failed.\n");
+ SURFACE_FreeSurfaceByHandle(hbmp);
+ return NULL;
+ }
- DPRINT("IntGdiCreateBitmap : %dx%d, %d BPP colors, topdown %d, returning %08x\n",
- Size.cx, Size.cy, BitsPixel, (Height < 0 ? 1 : 0), hBitmap);
+ /* Mark as API bitmap */
+ psurf->flags |= API_BITMAP;
- return hBitmap;
+ /* Unlock the surface and return */
+ SURFACE_UnlockSurface(psurf);
+ return hbmp;
}
+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);
+}
-HBITMAP APIENTRY
+HBITMAP
+APIENTRY
NtGdiCreateBitmap(
- INT Width,
- INT Height,
- UINT Planes,
- UINT BitsPixel,
+ IN INT nWidth,
+ IN INT nHeight,
+ IN UINT cPlanes,
+ IN UINT cBitsPixel,
IN OPTIONAL LPBYTE pUnsafeBits)
{
- if (pUnsafeBits)
+ PSURFACE psurf;
+ SURFOBJ *pso;
+ HBITMAP hbmp;
+ FLONG fl = 0;
+ ULONG cjWidthBytes, iFormat;
+
+ /* NOTE: Windows also doesn't store nr. of planes separately! */
+ cBitsPixel = BITMAP_GetRealBitsPixel(cBitsPixel * cPlanes);
+
+ /* Calculate bitmap format */
+ iFormat = BitmapFormat(cBitsPixel, BI_RGB);
+
+ /* Check parameters */
+ if (iFormat == 0 || nWidth <= 0 || nWidth >= 0x8000000 || nHeight <= 0)
{
- BOOL Hit = FALSE;
- UINT cjBits = BITMAP_GetWidthBytes(Width, BitsPixel) * abs(Height);
+ DPRINT1("Width = %d, Height = %d BitsPixel = %d\n",
+ nWidth, nHeight, cBitsPixel);
+ EngSetLastError(ERROR_INVALID_PARAMETER);
+ return NULL;
+ }
- // FIXME: Use MmSecureVirtualMemory
+ /* Make sure that cjBits will not overflow */
+ cjWidthBytes = DIB_GetDIBWidthBytes(nWidth, cBitsPixel);
+ if ((ULONGLONG)cjWidthBytes * nHeight >= 0x100000000ULL)
+ {
+ DPRINT1("Width = %d, Height = %d BitsPixel = %d\n",
+ nWidth, nHeight, cBitsPixel);
+ EngSetLastError(ERROR_INVALID_PARAMETER);
+ return NULL;
+ }
+
+ /* Allocate a surface */
+ psurf = SURFACE_AllocSurface(STYPE_BITMAP, nWidth, nHeight, iFormat);
+ if (!psurf)
+ {
+ DPRINT1("SURFACE_AllocSurface failed.\n");
+ EngSetLastError(ERROR_OUTOFMEMORY);
+ return NULL;
+ }
+
+ /* Get the handle for the bitmap and the surfobj */
+ hbmp = (HBITMAP)psurf->SurfObj.hsurf;
+ pso = &psurf->SurfObj;
+
+ /* Allocate the bitmap bits */
+ if (!SURFACE_bSetBitmapBits(psurf, fl, 0, NULL))
+ {
+ /* Bail out if that failed */
+ DPRINT1("SURFACE_bSetBitmapBits failed.\n");
+ SURFACE_FreeSurfaceByHandle(hbmp);
+ return NULL;
+ }
+
+ if (pUnsafeBits)
+ {
_SEH2_TRY
{
- ProbeForRead(pUnsafeBits, cjBits, 1);
+ ProbeForRead(pUnsafeBits, cjWidthBytes * nHeight, 1);
+ UnsafeSetBitmapBits(psurf, 0, pUnsafeBits);
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
- Hit = TRUE;
+ SURFACE_FreeSurfaceByHandle(hbmp);
+ _SEH2_YIELD(return NULL;)
}
_SEH2_END
-
- if (Hit) return 0;
}
- return IntGdiCreateBitmap(Width, Height, Planes, BitsPixel, pUnsafeBits);
+ /* Mark as API bitmap */
+ psurf->flags |= API_BITMAP;
+
+ /* Unlock the surface and return */
+ SURFACE_UnlockSurface(psurf);
+ return hbmp;
}
+
HBITMAP FASTCALL
IntCreateCompatibleBitmap(
PDC Dc,
{
if (Dc->dctype != DC_TYPE_MEMORY)
{
- Bmp = IntGdiCreateBitmap(abs(Width),
- abs(Height),
- IntGdiGetDeviceCaps(Dc,PLANES),
- IntGdiGetDeviceCaps(Dc,BITSPIXEL),
- NULL);
+ PSURFACE psurf;
+ SIZEL size;
+
+ size.cx = abs(Width);
+ size.cy = abs(Height);
+ 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
{
{
if (Count == sizeof(BITMAP))
{
- /* We have a bitmap bug!!! W/O the HACK, we have white icons.
-
- MSDN Note: When a memory device context is created, it initially
- has a 1-by-1 monochrome bitmap selected into it. If this memory
- device context is used in CreateCompatibleBitmap, the bitmap that
- is created is a monochrome bitmap. To create a color bitmap, use
- the hDC that was used to create the memory device context, as
- shown in the following code:
-
- HDC memDC = CreateCompatibleDC(hDC);
- HBITMAP memBM = CreateCompatibleBitmap(hDC, nWidth, nHeight);
- SelectObject(memDC, memBM);
- */
- Bmp = IntGdiCreateBitmap(abs(Width),
- abs(Height),
- dibs.dsBm.bmPlanes,
- IntGdiGetDeviceCaps(Dc,BITSPIXEL),//<-- HACK! dibs.dsBm.bmBitsPixel, // <-- Correct!
- NULL);
+ SIZEL size;
+ PSURFACE psurfBmp;
+ size.cx = abs(Width);
+ size.cy = abs(Height);
+ 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 */
- BITMAPINFO *bi;
+ BYTE buf[sizeof(BITMAPINFOHEADER) + 256*sizeof(RGBQUAD)] = {0};
PVOID Bits;
-
- /* Allocate memory for a BITMAPINFOHEADER structure and a
- color table. The maximum number of colors in a color table
- is 256 which corresponds to a bitmap with depth 8.
- Bitmaps with higher depths don't have color tables. */
- bi = ExAllocatePoolWithTag(PagedPool,
- sizeof(BITMAPINFOHEADER) +
- 256 * sizeof(RGBQUAD),
- TAG_TEMP);
-
- if (bi)
+ 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)
{
- 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)
{
- /* Copy the color masks */
- RtlCopyMemory(bi->bmiColors, dibs.dsBitfields, 3 * sizeof(DWORD));
+ SetLastWin32Error(ERROR_INVALID_HANDLE);
+ return 0;
}
- else if (bi->bmiHeader.biBitCount <= 8)
+
+ PalGDI = PALETTE_LockPalette(psurf->ppal->BaseObject.hHmgr);
+
+ for (Index = 0;
+ Index < 256 && Index < PalGDI->NumColors;
+ Index++)
{
- /* Copy the color table */
- UINT Index;
- PPALETTE PalGDI = PALETTE_LockPalette(psurf->hDIBPalette);
-
- if (!PalGDI)
- {
- ExFreePoolWithTag(bi, TAG_TEMP);
- SetLastWin32Error(ERROR_INVALID_HANDLE);
- return 0;
- }
-
- 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);
+ 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,
NULL,
0,
0);
-
- ExFreePoolWithTag(bi, TAG_TEMP);
return Bmp;
}
}
}
if (!hDC)
- return IntGdiCreateBitmap(Width, Height, 1, 1, 0);
+ return GreCreateBitmap(Width, Height, 1, 1, 0);
Dc = DC_LockDc(hDC);
_SEH2_TRY
{
ProbeForWrite(Dimension, sizeof(SIZE), 1);
- *Dimension = psurfBmp->dimension;
+ *Dimension = psurfBmp->sizlDim;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
BOOL bInRect = FALSE;
SURFACE *psurf;
SURFOBJ *pso;
- HPALETTE hpal = 0;
PPALETTE ppal;
EXLATEOBJ exlo;
HBITMAP hBmpTmp;
if (psurf)
{
pso = &psurf->SurfObj;
- hpal = psurf->hDIBPalette;
- if (!hpal) hpal = pPrimarySurface->devinfo.hpalDefault;
- ppal = PALETTE_ShareLockPalette(hpal);
+ if (psurf->ppal)
+ {
+ ppal = psurf->ppal;
+ GDIOBJ_IncrementShareCount(&ppal->BaseObject);
+ }
+ else
+ ppal = PALETTE_ShareLockPalette(dc->ppdev->devinfo.hpalDefault);
if (psurf->SurfObj.iBitmapFormat == BMF_1BPP && !psurf->hSecure)
{
0,
0);
- //HBITMAP hBmpTmp = IntGdiCreateBitmap(1, 1, 1, 32, NULL);
+ //HBITMAP hBmpTmp = GreCreateBitmap(1, 1, 1, 32, NULL);
if (hBmpTmp)
{
HBITMAP hBmpOld = (HBITMAP)NtGdiSelectBitmap(hDCTmp, hBmpTmp);
}
-LONG APIENTRY
-IntSetBitmapBits(
- PSURFACE psurf,
- DWORD Bytes,
- IN PBYTE Bits)
-{
- LONG ret;
-
- /* Don't copy more bytes than the buffer has */
- Bytes = min(Bytes, psurf->SurfObj.cjBits);
-
-#if 0
- /* FIXME: call DDI specific function here if available */
- if (psurf->DDBitmap)
- {
- DPRINT("Calling device specific BitmapBits\n");
- if (psurf->DDBitmap->funcs->pBitmapBits)
- {
- ret = psurf->DDBitmap->funcs->pBitmapBits(hBitmap,
- (void *)Bits,
- Bytes,
- DDB_SET);
- }
- else
- {
- DPRINT("BitmapBits == NULL??\n");
- ret = 0;
- }
- }
- else
-#endif
- {
- RtlCopyMemory(psurf->SurfObj.pvBits, Bits, Bytes);
- ret = Bytes;
- }
-
- return ret;
-}
-
-
LONG APIENTRY
NtGdiSetBitmapBits(
HBITMAP hBitmap,
_SEH2_TRY
{
ProbeForRead(pUnsafeBits, Bytes, 1);
- ret = IntSetBitmapBits(psurf, Bytes, pUnsafeBits);
+ UnsafeSetBitmapBits(psurf, Bytes, pUnsafeBits);
+ ret = 1;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
_SEH2_TRY
{
ProbeForWrite(Size, sizeof(SIZE), 1);
- *Size = psurf->dimension;
+ *Size = psurf->sizlDim;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
}
/* The dimension is changed even if writing the old value failed */
- psurf->dimension.cx = Width;
- psurf->dimension.cy = Height;
+ psurf->sizlDim.cx = Width;
+ psurf->sizlDim.cy = Height;
SURFACE_UnlockSurface(psurf);
switch (*Color >> 24)
{
case 0x10: /* DIBINDEX */
- if (IntGetDIBColorTable(hDC, LOWORD(*Color), 1, &quad) == 1)
+ if (IntGetDIBColorTable(hDC, LOWORD(*Color), 1, &quad) == 1)
{
*Color = RGB(quad.rgbRed, quad.rgbGreen, quad.rgbBlue);
}
default:
DPRINT("Unsupported color type %d passed\n", *Color >> 24);
break;
- }
+ }
}
BOOL APIENTRY
Size.cx = abs(bm.bmWidth);
Size.cy = abs(bm.bmHeight);
- res = IntCreateBitmap(Size,
- bm.bmWidthBytes,
- BitmapFormat(bm.bmBitsPixel * bm.bmPlanes, BI_RGB),
- (bm.bmHeight < 0 ? BMF_TOPDOWN : 0) | BMF_NOZEROINIT,
- NULL);
+ res = GreCreateBitmap(abs(bm.bmWidth),
+ abs(bm.bmHeight),
+ 1,
+ bm.bmBitsPixel,
+ NULL);
if (res)
{
IntGetBitmapBits(Bitmap, bm.bmWidthBytes * abs(bm.bmHeight), buf);
IntSetBitmapBits(resBitmap, bm.bmWidthBytes * abs(bm.bmHeight), buf);
ExFreePoolWithTag(buf,TAG_BITMAP);
- resBitmap->flFlags = Bitmap->flFlags;
+ resBitmap->flags = Bitmap->flags;
+ /* Copy palette */
+ if (Bitmap->ppal)
+ {
+ resBitmap->ppal = Bitmap->ppal ;
+ GDIOBJ_IncrementShareCount(&Bitmap->ppal->BaseObject);
+ }
GDIOBJ_UnlockObjByPtr((POBJ)resBitmap);
}
else
NtGdiGetDCforBitmap(
IN HBITMAP hsurf)
{
- HDC hDC = NULL;
+ HDC hdc = NULL;
PSURFACE psurf = SURFACE_LockSurface(hsurf);
if (psurf)
{
- hDC = psurf->hDC;
+ hdc = psurf->hdc;
SURFACE_UnlockSurface(psurf);
}
- return hDC;
+ return hdc;
}
/* EOF */
projects / reactos.git / blobdiff