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gdi32: Always return the full DIB surface in GetImage and adjust coordinates accordingly.

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Based on a patch by Ken Thomases.
This commit is contained in:
Alexandre Julliard 2012-10-15 14:16:28 +02:00
parent 710858abee
commit 36f2b09632
1 changed files with 5 additions and 6 deletions
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11
dlls/gdi32/dibdrv/bitblt.c
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@ -816,7 +816,7 @@ static DWORD get_image_dib_info( dib_info *dib, BITMAPINFO *info,
info->bmiHeader.biYPelsPerMeter = 0;
info->bmiHeader.biClrImportant = 0;
info->bmiHeader.biWidth = dib->width;
info->bmiHeader.biHeight = dib->height - dib->rect.top;
info->bmiHeader.biHeight = dib->height;
info->bmiHeader.biBitCount = dib->bit_count;
info->bmiHeader.biSizeImage = info->bmiHeader.biHeight * abs( dib->stride );
if (dib->stride > 0) info->bmiHeader.biHeight = -info->bmiHeader.biHeight;
@ -825,14 +825,13 @@ static DWORD get_image_dib_info( dib_info *dib, BITMAPINFO *info,
if (bits)
{
if (dib->stride < 0)
bits->ptr = (char *)dib->bits.ptr + (dib->rect.bottom - 1) * dib->stride;
else
bits->ptr = (char *)dib->bits.ptr + dib->rect.top * dib->stride;
bits->ptr = dib->bits.ptr;
bits->is_copy = FALSE;
bits->free = NULL;
if (dib->stride < 0) bits->ptr = (char *)bits->ptr + (dib->height - 1) * dib->stride;
src->x += dib->rect.left;
offset_rect( &src->visrect, dib->rect.left, 0 );
src->y += dib->rect.top;
offset_rect( &src->visrect, dib->rect.left, dib->rect.top );
}
return ERROR_SUCCESS;
}