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winex11: Add support for bottom-up format in PutImage.

This commit is contained in:
Alexandre Julliard 2011-07-14 13:09:38 +02:00
parent 611b168b35
commit eeb3625dce
1 changed files with 10 additions and 5 deletions
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15
dlls/winex11.drv/bitblt.c
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@ -1641,8 +1641,8 @@ static DWORD copy_image_bits( BITMAPINFO *info, const ColorShifts *color_shifts,
const struct gdi_image_bits *src_bits, struct gdi_image_bits *dst_bits )
{
BOOL need_byteswap;
int x, y, height = -info->bmiHeader.biHeight;
unsigned int width_bytes = image->bytes_per_line;
int x, y, height = abs(info->bmiHeader.biHeight);
int width_bytes = image->bytes_per_line;
unsigned char *src, *dst;
switch (info->bmiHeader.biBitCount)
@ -1666,7 +1666,7 @@ static DWORD copy_image_bits( BITMAPINFO *info, const ColorShifts *color_shifts,
break;
}
if ((need_byteswap && !src_bits->is_copy) || (width_bytes & 3))
if ((need_byteswap && !src_bits->is_copy) || (width_bytes & 3) || (info->bmiHeader.biHeight > 0))
{
width_bytes = (width_bytes + 3) & ~3;
info->bmiHeader.biSizeImage = height * width_bytes;
@ -1689,6 +1689,12 @@ static DWORD copy_image_bits( BITMAPINFO *info, const ColorShifts *color_shifts,
src = src_bits->ptr;
dst = dst_bits->ptr;
if (info->bmiHeader.biHeight > 0)
{
dst += (height - 1) * width_bytes;
width_bytes = -width_bytes;
}
if (need_byteswap)
{
switch (info->bmiHeader.biBitCount)
@ -1768,7 +1774,6 @@ DWORD X11DRV_PutImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info, const str
if (info->bmiHeader.biPlanes != 1) goto update_format;
if (info->bmiHeader.biBitCount != format->bits_per_pixel) goto update_format;
if (info->bmiHeader.biHeight > 0) goto update_format; /* bottom-up not supported */
/* FIXME: could try to handle 1-bpp using XCopyPlane */
if (info->bmiHeader.biCompression == BI_BITFIELDS)
@ -1804,7 +1809,7 @@ DWORD X11DRV_PutImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info, const str
wine_tsx11_lock();
image = XCreateImage( gdi_display, visual, depth, ZPixmap, 0, NULL,
info->bmiHeader.biWidth, -info->bmiHeader.biHeight, 32, 0 );
info->bmiHeader.biWidth, abs(info->bmiHeader.biHeight), 32, 0 );
wine_tsx11_unlock();
if (!image) return ERROR_OUTOFMEMORY;