static void *get_pixel_ptr( const BITMAPINFO *info, void *bits, int x, int y )
{
const int width = info->bmiHeader.biWidth, height = info->bmiHeader.biHeight;
const int bpp = info->bmiHeader.biBitCount;
if (height > 0)
return (char *)bits + (height - y - 1) * get_dib_stride( width, bpp ) + x * bpp / 8;
else
return (char *)bits + y * get_dib_stride( width, bpp ) + x * bpp / 8;
}
/***********************************************************************
* GetBitmapBits [GDI32.@]
*
* Copies bitmap bits of bitmap to buffer.
*
* RETURNS
* Success: Number of bytes copied
* Failure: 0
*/
LONG WINAPI GetBitmapBits(
HBITMAP hbitmap, /* [in] Handle to bitmap */
LONG count, /* [in] Number of bytes to copy */
LPVOID bits) /* [out] Pointer to buffer to receive bits */
{
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
BITMAPINFO *info = (BITMAPINFO *)buffer;
struct gdi_image_bits src_bits;
struct bitblt_coords src;
int dst_stride, max, ret;
BITMAPOBJ *bmp = GDI_GetObjPtr( hbitmap, OBJ_BITMAP );
if (!bmp) return 0;
dst_stride = get_bitmap_stride( bmp->dib.dsBm.bmWidth, bmp->dib.dsBm.bmBitsPixel );
ret = max = dst_stride * bmp->dib.dsBm.bmHeight;
if (!bits) goto done;
if (count > max) count = max;
ret = count;
src.visrect.left = 0;
src.visrect.right = bmp->dib.dsBm.bmWidth;
src.visrect.top = 0;
src.visrect.bottom = (count + dst_stride - 1) / dst_stride;
src.x = src.y = 0;
src.width = src.visrect.right - src.visrect.left;
src.height = src.visrect.bottom - src.visrect.top;
if (!get_image_from_bitmap( bmp, info, &src_bits, &src ))
{
const char *src_ptr = src_bits.ptr;
int src_stride = get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount );
/* GetBitmapBits returns 16-bit aligned data */
if (info->bmiHeader.biHeight > 0)
{
src_ptr += (info->bmiHeader.biHeight - 1) * src_stride;
src_stride = -src_stride;
}
src_ptr += src.visrect.top * src_stride;
if (src_stride == dst_stride) memcpy( bits, src_ptr, count );
else while (count > 0)
{
memcpy( bits, src_ptr, min( count, dst_stride ) );
src_ptr += src_stride;
bits = (char *)bits + dst_stride;
count -= dst_stride;
}
if (src_bits.free) src_bits.free( &src_bits );
}
else ret = 0;
done:
GDI_ReleaseObj( hbitmap );
return ret;
}
/***********************************************************************
* create_surface_image
*
* Caller must hold the surface lock. On input, *rect is the requested
* image rect, relative to the window whole_rect, a.k.a. visible_rect.
* On output, it's been intersected with that part backed by the surface
* and is the actual size of the returned image. copy_data indicates if
* the caller will keep the returned image beyond the point where the
* surface bits can be guaranteed to remain valid and unchanged. If so,
* the bits are copied instead of merely referenced by the image.
*
* IMPORTANT: This function is called from non-Wine threads, so it
* must not use Win32 or Wine functions, including debug
* logging.
*/
CGImageRef create_surface_image(void *window_surface, CGRect *rect, int copy_data)
{
CGImageRef cgimage = NULL;
struct macdrv_window_surface *surface = get_mac_surface(window_surface);
int width, height;
width = surface->header.rect.right - surface->header.rect.left;
height = surface->header.rect.bottom - surface->header.rect.top;
*rect = CGRectIntersection(cgrect_from_rect(surface->header.rect), *rect);
if (!CGRectIsEmpty(*rect))
{
CGRect visrect;
CGColorSpaceRef colorspace;
CGDataProviderRef provider;
int bytes_per_row, offset, size;
CGImageAlphaInfo alphaInfo;
visrect = CGRectOffset(*rect, -surface->header.rect.left, -surface->header.rect.top);
colorspace = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
bytes_per_row = get_dib_stride(width, 32);
offset = CGRectGetMinX(visrect) * 4 + (height - CGRectGetMaxY(visrect)) * bytes_per_row;
size = min(CGRectGetHeight(visrect) * bytes_per_row,
surface->info.bmiHeader.biSizeImage - offset);
if (copy_data)
{
CFDataRef data = CFDataCreate(NULL, (UInt8*)surface->bits + offset, size);
provider = CGDataProviderCreateWithCFData(data);
CFRelease(data);
}
else
provider = CGDataProviderCreateWithData(NULL, surface->bits + offset, size, NULL);
alphaInfo = surface->use_alpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst;
cgimage = CGImageCreate(CGRectGetWidth(visrect), CGRectGetHeight(visrect),
8, 32, bytes_per_row, colorspace,
alphaInfo | kCGBitmapByteOrder32Little,
provider, NULL, FALSE, kCGRenderingIntentDefault);
CGDataProviderRelease(provider);
CGColorSpaceRelease(colorspace);
}
return cgimage;
}
BOOL init_dib_info_from_bitmapobj(dib_info *dib, BITMAPOBJ *bmp)
{
if (!is_bitmapobj_dib( bmp ))
{
BITMAPINFO info;
get_ddb_bitmapinfo( bmp, &info );
if (!bmp->dib.dsBm.bmBits)
{
int width_bytes = get_dib_stride( bmp->dib.dsBm.bmWidth, bmp->dib.dsBm.bmBitsPixel );
bmp->dib.dsBm.bmBits = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
bmp->dib.dsBm.bmHeight * width_bytes );
if (!bmp->dib.dsBm.bmBits) return FALSE;
}
init_dib_info_from_bitmapinfo( dib, &info, bmp->dib.dsBm.bmBits );
}
else init_dib_info( dib, &bmp->dib.dsBmih, bmp->dib.dsBitfields,
bmp->color_table, bmp->dib.dsBm.bmBits );
return TRUE;
}
BOOL nulldrv_CopyBitmap( HBITMAP src, HBITMAP dst )
{
BOOL ret = TRUE;
BITMAPOBJ *src_bmp = GDI_GetObjPtr( src, OBJ_BITMAP );
if (!src_bmp) return FALSE;
if (src_bmp->bitmap.bmBits)
{
BITMAPOBJ *dst_bmp = GDI_GetObjPtr( dst, OBJ_BITMAP );
int stride = get_dib_stride( dst_bmp->bitmap.bmWidth, dst_bmp->bitmap.bmBitsPixel );
dst_bmp->bitmap.bmBits = HeapAlloc( GetProcessHeap(), 0, dst_bmp->bitmap.bmHeight * stride );
if (dst_bmp->bitmap.bmBits)
memcpy( dst_bmp->bitmap.bmBits, src_bmp->bitmap.bmBits, dst_bmp->bitmap.bmHeight * stride );
else
ret = FALSE;
GDI_ReleaseObj( dst );
}
GDI_ReleaseObj( src );
return ret;
}
BOOL init_dib_info_from_bitmapobj(dib_info *dib, BITMAPOBJ *bmp, enum dib_info_flags flags)
{
if (!bmp->dib)
{
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
BITMAPINFO *info = (BITMAPINFO *)buffer;
get_ddb_bitmapinfo( bmp, info );
if (!bmp->bitmap.bmBits)
{
int width_bytes = get_dib_stride( bmp->bitmap.bmWidth, bmp->bitmap.bmBitsPixel );
bmp->bitmap.bmBits = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
bmp->bitmap.bmHeight * width_bytes );
if (!bmp->bitmap.bmBits) return FALSE;
}
return init_dib_info_from_bitmapinfo( dib, info, bmp->bitmap.bmBits,
flags | private_color_table );
}
return init_dib_info( dib, &bmp->dib->dsBmih, bmp->dib->dsBitfields,
bmp->color_table, bmp->nb_colors, bmp->dib->dsBm.bmBits, flags );
}
/******************************************************************************
* SetBitmapBits [GDI32.@]
*
* Sets bits of color data for a bitmap.
*
* RETURNS
* Success: Number of bytes used in setting the bitmap bits
* Failure: 0
*/
LONG WINAPI SetBitmapBits(
HBITMAP hbitmap, /* [in] Handle to bitmap */
LONG count, /* [in] Number of bytes in bitmap array */
LPCVOID bits) /* [in] Address of array with bitmap bits */
{
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
BITMAPINFO *info = (BITMAPINFO *)buffer;
BITMAPOBJ *bmp;
DWORD err;
int i, src_stride, dst_stride;
struct bitblt_coords src, dst;
struct gdi_image_bits src_bits;
HRGN clip = NULL;
if (!bits) return 0;
bmp = GDI_GetObjPtr( hbitmap, OBJ_BITMAP );
if (!bmp) return 0;
if (count < 0) {
WARN("(%d): Negative number of bytes passed???\n", count );
count = -count;
}
src_stride = get_bitmap_stride( bmp->dib.dsBm.bmWidth, bmp->dib.dsBm.bmBitsPixel );
count = min( count, src_stride * bmp->dib.dsBm.bmHeight );
dst_stride = get_dib_stride( bmp->dib.dsBm.bmWidth, bmp->dib.dsBm.bmBitsPixel );
src.visrect.left = src.x = 0;
src.visrect.top = src.y = 0;
src.visrect.right = src.width = bmp->dib.dsBm.bmWidth;
src.visrect.bottom = src.height = (count + src_stride - 1 ) / src_stride;
dst = src;
if (count % src_stride)
{
HRGN last_row;
int extra_pixels = ((count % src_stride) << 3) / bmp->dib.dsBm.bmBitsPixel;
if ((count % src_stride << 3) % bmp->dib.dsBm.bmBitsPixel)
FIXME( "Unhandled partial pixel\n" );
clip = CreateRectRgn( src.visrect.left, src.visrect.top,
src.visrect.right, src.visrect.bottom - 1 );
last_row = CreateRectRgn( src.visrect.left, src.visrect.bottom - 1,
src.visrect.left + extra_pixels, src.visrect.bottom );
CombineRgn( clip, clip, last_row, RGN_OR );
DeleteObject( last_row );
}
TRACE("(%p, %d, %p) %dx%d %d bpp fetched height: %d\n",
hbitmap, count, bits, bmp->dib.dsBm.bmWidth, bmp->dib.dsBm.bmHeight,
bmp->dib.dsBm.bmBitsPixel, src.height );
if (src_stride == dst_stride)
{
src_bits.ptr = (void *)bits;
src_bits.is_copy = FALSE;
src_bits.free = NULL;
}
else
{
if (!(src_bits.ptr = HeapAlloc( GetProcessHeap(), 0, dst.height * dst_stride )))
{
GDI_ReleaseObj( hbitmap );
return 0;
}
src_bits.is_copy = TRUE;
src_bits.free = free_heap_bits;
for (i = 0; i < count / src_stride; i++)
memcpy( (char *)src_bits.ptr + i * dst_stride, (char *)bits + i * src_stride, src_stride );
if (count % src_stride)
memcpy( (char *)src_bits.ptr + i * dst_stride, (char *)bits + i * src_stride, count % src_stride );
}
/* query the color info */
info->bmiHeader.biSize = sizeof(info->bmiHeader);
info->bmiHeader.biPlanes = 1;
info->bmiHeader.biBitCount = bmp->dib.dsBm.bmBitsPixel;
info->bmiHeader.biCompression = BI_RGB;
info->bmiHeader.biXPelsPerMeter = 0;
info->bmiHeader.biYPelsPerMeter = 0;
info->bmiHeader.biClrUsed = 0;
info->bmiHeader.biClrImportant = 0;
info->bmiHeader.biWidth = 0;
info->bmiHeader.biHeight = 0;
info->bmiHeader.biSizeImage = 0;
err = put_image_into_bitmap( bmp, 0, info, NULL, NULL, NULL );
if (!err || err == ERROR_BAD_FORMAT)
{
info->bmiHeader.biWidth = bmp->dib.dsBm.bmWidth;
info->bmiHeader.biHeight = -dst.height;
info->bmiHeader.biSizeImage = dst.height * dst_stride;
err = put_image_into_bitmap( bmp, clip, info, &src_bits, &src, &dst );
}
if (err) count = 0;
if (clip) DeleteObject( clip );
if (src_bits.free) src_bits.free( &src_bits );
GDI_ReleaseObj( hbitmap );
return count;
}
INT16 MFDRV_CreateBrushIndirect(PHYSDEV dev, HBRUSH hBrush )
{
DWORD size;
METARECORD *mr;
LOGBRUSH logbrush;
BOOL r;
if (!GetObjectA( hBrush, sizeof(logbrush), &logbrush )) return -1;
switch(logbrush.lbStyle)
{
case BS_SOLID:
case BS_NULL:
case BS_HATCHED:
{
LOGBRUSH16 lb16;
lb16.lbStyle = logbrush.lbStyle;
lb16.lbColor = logbrush.lbColor;
lb16.lbHatch = logbrush.lbHatch;
size = sizeof(METARECORD) + sizeof(LOGBRUSH16) - 2;
mr = HeapAlloc( GetProcessHeap(), 0, size );
mr->rdSize = size / 2;
mr->rdFunction = META_CREATEBRUSHINDIRECT;
memcpy( mr->rdParm, &lb16, sizeof(LOGBRUSH16));
break;
}
case BS_PATTERN:
{
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
BITMAPINFO *dst_info, *src_info = (BITMAPINFO *)buffer;
struct gdi_image_bits bits;
COLORREF cref;
if (!get_bitmap_image( (HANDLE)logbrush.lbHatch, src_info, &bits )) goto done;
if (src_info->bmiHeader.biBitCount != 1)
{
FIXME("Trying to store a colour pattern brush\n");
if (bits.free) bits.free( &bits );
goto done;
}
size = FIELD_OFFSET( METARECORD, rdParm[2] ) +
FIELD_OFFSET( BITMAPINFO, bmiColors[2] ) + src_info->bmiHeader.biSizeImage;
if (!(mr = HeapAlloc( GetProcessHeap(), 0, size )))
{
if (bits.free) bits.free( &bits );
goto done;
}
mr->rdFunction = META_DIBCREATEPATTERNBRUSH;
mr->rdSize = size / 2;
mr->rdParm[0] = BS_PATTERN;
mr->rdParm[1] = DIB_RGB_COLORS;
dst_info = (BITMAPINFO *)(mr->rdParm + 2);
dst_info->bmiHeader = src_info->bmiHeader;
dst_info->bmiHeader.biClrUsed = 0;
cref = GetTextColor( dev->hdc );
dst_info->bmiColors[0].rgbRed = GetRValue(cref);
dst_info->bmiColors[0].rgbGreen = GetGValue(cref);
dst_info->bmiColors[0].rgbBlue = GetBValue(cref);
dst_info->bmiColors[0].rgbReserved = 0;
cref = GetBkColor( dev->hdc );
dst_info->bmiColors[1].rgbRed = GetRValue(cref);
dst_info->bmiColors[1].rgbGreen = GetGValue(cref);
dst_info->bmiColors[1].rgbBlue = GetBValue(cref);
dst_info->bmiColors[1].rgbReserved = 0;
/* always return a bottom-up DIB */
if (dst_info->bmiHeader.biHeight < 0)
{
int i, width_bytes = get_dib_stride( dst_info->bmiHeader.biWidth,
dst_info->bmiHeader.biBitCount );
char *dst_ptr = (char *)&dst_info->bmiColors[2];
dst_info->bmiHeader.biHeight = -dst_info->bmiHeader.biHeight;
dst_ptr += (dst_info->bmiHeader.biHeight - 1) * width_bytes;
for (i = 0; i < dst_info->bmiHeader.biHeight; i++, dst_ptr -= width_bytes)
memcpy( dst_ptr, (char *)bits.ptr + i * width_bytes, width_bytes );
}
else memcpy( &dst_info->bmiColors[2], bits.ptr, dst_info->bmiHeader.biSizeImage );
if (bits.free) bits.free( &bits );
break;
}
case BS_DIBPATTERN:
{
BITMAPINFO *info;
DWORD bmSize, biSize;
info = GlobalLock( (HGLOBAL)logbrush.lbHatch );
if (info->bmiHeader.biCompression)
bmSize = info->bmiHeader.biSizeImage;
else
bmSize = get_dib_image_size( info );
biSize = bitmap_info_size(info, LOWORD(logbrush.lbColor));
size = sizeof(METARECORD) + biSize + bmSize + 2;
mr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
if (!mr)
{
GlobalUnlock( (HGLOBAL)logbrush.lbHatch );
goto done;
}
mr->rdFunction = META_DIBCREATEPATTERNBRUSH;
mr->rdSize = size / 2;
*(mr->rdParm) = logbrush.lbStyle;
*(mr->rdParm + 1) = LOWORD(logbrush.lbColor);
memcpy(mr->rdParm + 2, info, biSize + bmSize);
GlobalUnlock( (HGLOBAL)logbrush.lbHatch );
break;
}
default:
FIXME("Unkonwn brush style %x\n", logbrush.lbStyle);
return 0;
}
r = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
HeapFree(GetProcessHeap(), 0, mr);
if( !r )
return -1;
done:
return MFDRV_AddHandle( dev, hBrush );
}
BOOL EMFDRV_StretchBlt( PHYSDEV devDst, struct bitblt_coords *dst,
PHYSDEV devSrc, struct bitblt_coords *src, DWORD rop )
{
BOOL ret;
PEMRBITBLT pEMR;
UINT emrSize;
UINT bmiSize;
UINT bitsSize;
UINT size;
BITMAP BM;
WORD nBPP = 0;
LPBITMAPINFOHEADER lpBmiH;
HBITMAP hBitmap = NULL;
DWORD emrType;
if (devSrc->funcs == devDst->funcs) return FALSE; /* can't use a metafile DC as source */
if (src->log_width == dst->log_width && src->log_height == dst->log_height)
{
emrType = EMR_BITBLT;
emrSize = sizeof(EMRBITBLT);
}
else
{
emrType = EMR_STRETCHBLT;
emrSize = sizeof(EMRSTRETCHBLT);
}
hBitmap = GetCurrentObject(devSrc->hdc, OBJ_BITMAP);
if(sizeof(BITMAP) != GetObjectW(hBitmap, sizeof(BITMAP), &BM))
return FALSE;
nBPP = BM.bmPlanes * BM.bmBitsPixel;
if(nBPP > 8) nBPP = 24; /* FIXME Can't get 16bpp to work for some reason */
bitsSize = get_dib_stride( BM.bmWidth, nBPP ) * BM.bmHeight;
bmiSize = sizeof(BITMAPINFOHEADER) +
(nBPP <= 8 ? 1 << nBPP : 0) * sizeof(RGBQUAD);
size = emrSize + bmiSize + bitsSize;
pEMR = HeapAlloc(GetProcessHeap(), 0, size);
if (!pEMR) return FALSE;
/* Initialize EMR */
pEMR->emr.iType = emrType;
pEMR->emr.nSize = size;
pEMR->rclBounds.left = dst->log_x;
pEMR->rclBounds.top = dst->log_y;
pEMR->rclBounds.right = dst->log_x + dst->log_width - 1;
pEMR->rclBounds.bottom = dst->log_y + dst->log_height - 1;
pEMR->xDest = dst->log_x;
pEMR->yDest = dst->log_y;
pEMR->cxDest = dst->log_width;
pEMR->cyDest = dst->log_height;
pEMR->dwRop = rop;
pEMR->xSrc = src->log_x;
pEMR->ySrc = src->log_y;
GetTransform(devSrc->hdc, 0x204, &pEMR->xformSrc);
pEMR->crBkColorSrc = GetBkColor(devSrc->hdc);
pEMR->iUsageSrc = DIB_RGB_COLORS;
pEMR->offBmiSrc = emrSize;
pEMR->offBitsSrc = emrSize + bmiSize;
pEMR->cbBmiSrc = bmiSize;
pEMR->cbBitsSrc = bitsSize;
if (emrType == EMR_STRETCHBLT)
{
PEMRSTRETCHBLT pEMRStretch = (PEMRSTRETCHBLT)pEMR;
pEMRStretch->cxSrc = src->log_width;
pEMRStretch->cySrc = src->log_height;
}
/* Initialize BITMAPINFO structure */
lpBmiH = (LPBITMAPINFOHEADER)((BYTE*)pEMR + pEMR->offBmiSrc);
lpBmiH->biSize = sizeof(BITMAPINFOHEADER);
lpBmiH->biWidth = BM.bmWidth;
lpBmiH->biHeight = BM.bmHeight;
lpBmiH->biPlanes = BM.bmPlanes;
lpBmiH->biBitCount = nBPP;
/* Assume the bitmap isn't compressed and set the BI_RGB flag. */
lpBmiH->biCompression = BI_RGB;
lpBmiH->biSizeImage = bitsSize;
lpBmiH->biYPelsPerMeter = 0;
lpBmiH->biXPelsPerMeter = 0;
lpBmiH->biClrUsed = nBPP <= 8 ? 1 << nBPP : 0;
/* Set biClrImportant to 0, indicating that all of the
device colors are important. */
lpBmiH->biClrImportant = 0;
/* Initialize bitmap bits */
if (GetDIBits(devSrc->hdc, hBitmap, 0, (UINT)lpBmiH->biHeight,
(BYTE*)pEMR + pEMR->offBitsSrc,
(LPBITMAPINFO)lpBmiH, DIB_RGB_COLORS))
{
ret = EMFDRV_WriteRecord(devDst, (EMR*)pEMR);
if (ret) EMFDRV_UpdateBBox(devDst, &(pEMR->rclBounds));
}
else
ret = FALSE;
HeapFree( GetProcessHeap(), 0, pEMR);
return ret;
}
static inline int get_dib_image_size(const BITMAPINFO *info)
{
return get_dib_stride(info->bmiHeader.biWidth, info->bmiHeader.biBitCount)
* abs(info->bmiHeader.biHeight);
}
INT16 MFDRV_CreateBrushIndirect(PHYSDEV dev, HBRUSH hBrush )
{
DWORD size;
METARECORD *mr;
LOGBRUSH logbrush;
BOOL r;
if (!GetObjectA( hBrush, sizeof(logbrush), &logbrush )) return -1;
switch(logbrush.lbStyle)
{
case BS_SOLID:
case BS_NULL:
case BS_HATCHED:
{
LOGBRUSH16 lb16;
lb16.lbStyle = logbrush.lbStyle;
lb16.lbColor = logbrush.lbColor;
lb16.lbHatch = logbrush.lbHatch;
size = sizeof(METARECORD) + sizeof(LOGBRUSH16) - 2;
mr = HeapAlloc( GetProcessHeap(), 0, size );
mr->rdSize = size / 2;
mr->rdFunction = META_CREATEBRUSHINDIRECT;
memcpy( mr->rdParm, &lb16, sizeof(LOGBRUSH16));
break;
}
case BS_PATTERN:
case BS_DIBPATTERN:
{
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
BITMAPINFO *dst_info, *src_info = (BITMAPINFO *)buffer;
DWORD info_size;
char *dst_ptr;
void *bits;
UINT usage;
if (!get_brush_bitmap_info( hBrush, src_info, &bits, &usage )) goto done;
info_size = get_dib_info_size( src_info, usage );
size = FIELD_OFFSET( METARECORD, rdParm[2] ) + info_size + src_info->bmiHeader.biSizeImage;
if (!(mr = HeapAlloc( GetProcessHeap(), 0, size ))) goto done;
mr->rdFunction = META_DIBCREATEPATTERNBRUSH;
mr->rdSize = size / 2;
mr->rdParm[0] = logbrush.lbStyle;
mr->rdParm[1] = usage;
dst_info = (BITMAPINFO *)(mr->rdParm + 2);
memcpy( dst_info, src_info, info_size );
if (dst_info->bmiHeader.biClrUsed == 1 << dst_info->bmiHeader.biBitCount)
dst_info->bmiHeader.biClrUsed = 0;
dst_ptr = (char *)dst_info + info_size;
/* always return a bottom-up DIB */
if (dst_info->bmiHeader.biHeight < 0)
{
int i, width_bytes = get_dib_stride( dst_info->bmiHeader.biWidth,
dst_info->bmiHeader.biBitCount );
dst_info->bmiHeader.biHeight = -dst_info->bmiHeader.biHeight;
dst_ptr += (dst_info->bmiHeader.biHeight - 1) * width_bytes;
for (i = 0; i < dst_info->bmiHeader.biHeight; i++, dst_ptr -= width_bytes)
memcpy( dst_ptr, (char *)bits + i * width_bytes, width_bytes );
}
else memcpy( dst_ptr, bits, src_info->bmiHeader.biSizeImage );
break;
}
default:
FIXME("Unkonwn brush style %x\n", logbrush.lbStyle);
return 0;
}
r = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
HeapFree(GetProcessHeap(), 0, mr);
if( !r )
return -1;
done:
return MFDRV_AddHandle( dev, hBrush );
}
BOOL init_dib_info(dib_info *dib, const BITMAPINFOHEADER *bi, const DWORD *bit_fields,
RGBQUAD *color_table, int color_table_size, void *bits, enum dib_info_flags flags)
{
dib->bit_count = bi->biBitCount;
dib->width = bi->biWidth;
dib->height = bi->biHeight;
dib->stride = get_dib_stride( dib->width, dib->bit_count );
dib->bits.ptr = bits;
dib->bits.is_copy = FALSE;
dib->bits.free = NULL;
dib->bits.param = NULL;
dib->flags = flags;
if(dib->height < 0) /* top-down */
{
dib->height = -dib->height;
}
else /* bottom-up */
{
/* bits always points to the top-left corner and the stride is -ve */
dib->bits.ptr = (BYTE*)dib->bits.ptr + (dib->height - 1) * dib->stride;
dib->stride = -dib->stride;
}
dib->funcs = &funcs_null;
switch(dib->bit_count)
{
case 32:
if(bi->biCompression == BI_RGB)
bit_fields = bit_fields_888;
init_bit_fields(dib, bit_fields);
if(dib->red_mask == 0xff0000 && dib->green_mask == 0x00ff00 && dib->blue_mask == 0x0000ff)
dib->funcs = &funcs_8888;
else
dib->funcs = &funcs_32;
break;
case 24:
dib->funcs = &funcs_24;
break;
case 16:
if(bi->biCompression == BI_RGB)
bit_fields = bit_fields_555;
init_bit_fields(dib, bit_fields);
if(dib->red_mask == 0x7c00 && dib->green_mask == 0x03e0 && dib->blue_mask == 0x001f)
dib->funcs = &funcs_555;
else
dib->funcs = &funcs_16;
break;
case 8:
dib->funcs = &funcs_8;
break;
case 4:
dib->funcs = &funcs_4;
break;
case 1:
dib->funcs = &funcs_1;
break;
default:
TRACE("bpp %d not supported, will forward to graphics driver.\n", dib->bit_count);
return FALSE;
}
if(color_table)
{
if (flags & private_color_table)
{
dib->color_table = HeapAlloc(GetProcessHeap(), 0, color_table_size * sizeof(dib->color_table[0]));
if(!dib->color_table) return FALSE;
memcpy(dib->color_table, color_table, color_table_size * sizeof(color_table[0]));
}
else
dib->color_table = color_table;
dib->color_table_size = color_table_size;
}
else
{
dib->color_table = NULL;
dib->color_table_size = 0;
}
return TRUE;
}
static void init_dib_info(dib_info *dib, const BITMAPINFOHEADER *bi, const DWORD *bit_fields,
const RGBQUAD *color_table, void *bits)
{
dib->bit_count = bi->biBitCount;
dib->width = bi->biWidth;
dib->height = bi->biHeight;
dib->rect.left = 0;
dib->rect.top = 0;
dib->rect.right = bi->biWidth;
dib->rect.bottom = abs( bi->biHeight );
dib->compression = bi->biCompression;
dib->stride = get_dib_stride( dib->width, dib->bit_count );
dib->bits.ptr = bits;
dib->bits.is_copy = FALSE;
dib->bits.free = NULL;
dib->bits.param = NULL;
if(dib->height < 0) /* top-down */
{
dib->height = -dib->height;
}
else /* bottom-up */
{
/* bits always points to the top-left corner and the stride is -ve */
dib->bits.ptr = (BYTE*)dib->bits.ptr + (dib->height - 1) * dib->stride;
dib->stride = -dib->stride;
}
dib->funcs = &funcs_null;
switch(dib->bit_count)
{
case 32:
if(bi->biCompression == BI_RGB)
bit_fields = bit_fields_888;
init_bit_fields(dib, bit_fields);
if(dib->red_mask == 0xff0000 && dib->green_mask == 0x00ff00 && dib->blue_mask == 0x0000ff)
dib->funcs = &funcs_8888;
else
dib->funcs = &funcs_32;
break;
case 24:
dib->funcs = &funcs_24;
break;
case 16:
if(bi->biCompression == BI_RGB)
bit_fields = bit_fields_555;
init_bit_fields(dib, bit_fields);
if(dib->red_mask == 0x7c00 && dib->green_mask == 0x03e0 && dib->blue_mask == 0x001f)
dib->funcs = &funcs_555;
else
dib->funcs = &funcs_16;
break;
case 8:
dib->funcs = &funcs_8;
break;
case 4:
dib->funcs = &funcs_4;
break;
case 1:
dib->funcs = &funcs_1;
break;
}
if (color_table && bi->biClrUsed)
{
dib->color_table = color_table;
dib->color_table_size = bi->biClrUsed;
}
else
{
dib->color_table = NULL;
dib->color_table_size = 0;
}
}
