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gdi32: Keep the source DC locked until the end in StretchBlt and AlphaBlend.

This commit is contained in:
Alexandre Julliard 2012-05-30 22:55:30 +02:00
parent 61f4767ade
commit 6d23f3e7e1
1 changed files with 7 additions and 4 deletions
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11
dlls/gdi32/bitblt.c
View File

@ -256,9 +256,11 @@ BOOL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
if (!(dc_src = get_dc_ptr( src_dev->hdc ))) return FALSE; if (!(dc_src = get_dc_ptr( src_dev->hdc ))) return FALSE;
src_dev = GET_DC_PHYSDEV( dc_src, pGetImage ); src_dev = GET_DC_PHYSDEV( dc_src, pGetImage );
err = src_dev->funcs->pGetImage( src_dev, src_info, &bits, src ); if (src_dev->funcs->pGetImage( src_dev, src_info, &bits, src ))
release_dc_ptr( dc_src ); {
if (err) return FALSE; release_dc_ptr( dc_src );
return FALSE;
}
dst_dev = GET_DC_PHYSDEV( dc_dst, pPutImage ); dst_dev = GET_DC_PHYSDEV( dc_dst, pPutImage );
copy_bitmapinfo( dst_info, src_info ); copy_bitmapinfo( dst_info, src_info );
@ -299,6 +301,7 @@ BOOL nulldrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst,
} }
if (bits.free) bits.free( &bits ); if (bits.free) bits.free( &bits );
release_dc_ptr( dc_src );
return !err; return !err;
} }
@ -317,7 +320,6 @@ BOOL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
if (!(dc_src = get_dc_ptr( src_dev->hdc ))) return FALSE; if (!(dc_src = get_dc_ptr( src_dev->hdc ))) return FALSE;
src_dev = GET_DC_PHYSDEV( dc_src, pGetImage ); src_dev = GET_DC_PHYSDEV( dc_src, pGetImage );
err = src_dev->funcs->pGetImage( src_dev, src_info, &bits, src ); err = src_dev->funcs->pGetImage( src_dev, src_info, &bits, src );
release_dc_ptr( dc_src );
if (err) goto done; if (err) goto done;
dst_dev = GET_DC_PHYSDEV( dc_dst, pBlendImage ); dst_dev = GET_DC_PHYSDEV( dc_dst, pBlendImage );
@ -339,6 +341,7 @@ BOOL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
if (bits.free) bits.free( &bits ); if (bits.free) bits.free( &bits );
done: done:
release_dc_ptr( dc_src );
if (err) SetLastError( err ); if (err) SetLastError( err );
return !err; return !err;
} }