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gdi32: Simplify dibdrv_GetImage by merging the stand-alone and selected bitmap cases.

This commit is contained in:
Huw Davies 2011-08-05 13:20:32 +01:00 committed by Alexandre Julliard
parent 37423cec7c
commit c5f484597f
1 changed files with 29 additions and 51 deletions
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66
dlls/gdi32/dibdrv/dc.c
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@ -380,6 +380,9 @@ static void set_color_info( const dib_info *dib, BITMAPINFO *info )
static DWORD dibdrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
struct gdi_image_bits *bits, struct bitblt_coords *src )
{
DWORD ret = ERROR_SUCCESS;
dib_info *dib, stand_alone;
TRACE( "%p %p %p\n", dev, hbitmap, info );
info->bmiHeader.biSize = sizeof(info->bmiHeader);
@ -397,64 +400,39 @@ static DWORD dibdrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
if (!bmp) return ERROR_INVALID_HANDLE;
assert(bmp->dib);
info->bmiHeader.biWidth = bmp->dib->dsBmih.biWidth;
info->bmiHeader.biHeight = bmp->dib->dsBmih.biHeight;
info->bmiHeader.biBitCount = bmp->dib->dsBmih.biBitCount;
info->bmiHeader.biSizeImage = get_dib_image_size( (BITMAPINFO *)&bmp->dib->dsBmih );
switch (info->bmiHeader.biBitCount)
if (!init_dib_info( &stand_alone, &bmp->dib->dsBmih, bmp->dib->dsBitfields,
bmp->color_table, bmp->nb_colors, bmp->dib->dsBm.bmBits, 0 ))
{
case 1:
case 4:
case 8:
if (bmp->color_table)
{
info->bmiHeader.biClrUsed = min( bmp->nb_colors, 1 << info->bmiHeader.biBitCount );
memcpy( info->bmiColors, bmp->color_table, info->bmiHeader.biClrUsed * sizeof(RGBQUAD) );
ret = ERROR_BAD_FORMAT;
goto done;
}
break;
case 16:
info->bmiHeader.biCompression = BI_BITFIELDS;
memcpy( info->bmiColors, bmp->dib->dsBitfields, sizeof(bmp->dib->dsBitfields) );
break;
case 32:
if (bmp->dib->dsBmih.biCompression == BI_BITFIELDS &&
memcmp( bmp->dib->dsBitfields, bit_fields_888, sizeof(bmp->dib->dsBitfields) ))
{
info->bmiHeader.biCompression = BI_BITFIELDS;
memcpy( info->bmiColors, bmp->dib->dsBitfields, sizeof(bmp->dib->dsBitfields) );
}
break;
}
if (bits)
{
bits->ptr = bmp->dib->dsBm.bmBits;
bits->is_copy = FALSE;
bits->free = NULL;
}
GDI_ReleaseObj( hbitmap );
dib = &stand_alone;
}
else
{
dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
dib = &pdev->dib;
}
info->bmiHeader.biWidth = pdev->dib.width;
info->bmiHeader.biHeight = pdev->dib.stride > 0 ? -pdev->dib.height : pdev->dib.height;
info->bmiHeader.biBitCount = pdev->dib.bit_count;
info->bmiHeader.biSizeImage = pdev->dib.height * abs(pdev->dib.stride);
info->bmiHeader.biWidth = dib->width;
info->bmiHeader.biHeight = dib->stride > 0 ? -dib->height : dib->height;
info->bmiHeader.biBitCount = dib->bit_count;
info->bmiHeader.biSizeImage = dib->height * abs( dib->stride );
set_color_info( &pdev->dib, info );
set_color_info( dib, info );
if (bits)
{
bits->ptr = pdev->dib.bits;
if (pdev->dib.stride < 0)
bits->ptr = (char *)bits->ptr + (pdev->dib.height - 1) * pdev->dib.stride;
bits->ptr = dib->bits;
if (dib->stride < 0)
bits->ptr = (char *)bits->ptr + (dib->height - 1) * dib->stride;
bits->is_copy = FALSE;
bits->free = NULL;
}
}
return ERROR_SUCCESS;
done:
if (hbitmap) GDI_ReleaseObj( hbitmap );
return ret;
}
static BOOL matching_color_info( const dib_info *dib, const BITMAPINFO *info )