wineandroid: Implement UpdateLayeredWindow.

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2017-06-07 11:26:57 +02:00
parent 52f53fe82e
commit d1b5f75946
2 changed files with 87 additions and 0 deletions

View File

@ -1056,6 +1056,92 @@ void CDECL ANDROID_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alp
}
/*****************************************************************************
* ANDROID_UpdateLayeredWindow
*/
BOOL CDECL ANDROID_UpdateLayeredWindow( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info,
const RECT *window_rect )
{
struct window_surface *surface;
struct android_win_data *data;
BLENDFUNCTION blend = { AC_SRC_OVER, 0, 255, 0 };
COLORREF color_key = (info->dwFlags & ULW_COLORKEY) ? info->crKey : CLR_INVALID;
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
BITMAPINFO *bmi = (BITMAPINFO *)buffer;
void *src_bits, *dst_bits;
RECT rect;
HDC hdc = 0;
HBITMAP dib;
BOOL ret = FALSE;
if (!(data = get_win_data( hwnd ))) return FALSE;
rect = *window_rect;
OffsetRect( &rect, -window_rect->left, -window_rect->top );
surface = data->surface;
if (!is_argb_surface( surface ))
{
if (surface) window_surface_release( surface );
surface = NULL;
}
if (!surface || memcmp( &surface->rect, &rect, sizeof(RECT) ))
{
data->surface = create_surface( data->hwnd, &rect, 255, color_key, TRUE );
if (surface) window_surface_release( surface );
surface = data->surface;
}
else set_surface_layered( surface, 255, color_key );
if (surface) window_surface_add_ref( surface );
release_win_data( data );
if (!surface) return FALSE;
if (!info->hdcSrc)
{
window_surface_release( surface );
return TRUE;
}
dst_bits = surface->funcs->get_info( surface, bmi );
if (!(dib = CreateDIBSection( info->hdcDst, bmi, DIB_RGB_COLORS, &src_bits, NULL, 0 ))) goto done;
if (!(hdc = CreateCompatibleDC( 0 ))) goto done;
SelectObject( hdc, dib );
surface->funcs->lock( surface );
if (info->prcDirty)
{
IntersectRect( &rect, &rect, info->prcDirty );
memcpy( src_bits, dst_bits, bmi->bmiHeader.biSizeImage );
PatBlt( hdc, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, BLACKNESS );
}
ret = GdiAlphaBlend( hdc, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top,
info->hdcSrc,
rect.left + (info->pptSrc ? info->pptSrc->x : 0),
rect.top + (info->pptSrc ? info->pptSrc->y : 0),
rect.right - rect.left, rect.bottom - rect.top,
(info->dwFlags & ULW_ALPHA) ? *info->pblend : blend );
if (ret)
{
memcpy( dst_bits, src_bits, bmi->bmiHeader.biSizeImage );
add_bounds_rect( surface->funcs->get_bounds( surface ), &rect );
}
surface->funcs->unlock( surface );
surface->funcs->flush( surface );
done:
window_surface_release( surface );
if (hdc) DeleteDC( hdc );
if (dib) DeleteObject( dib );
return ret;
}
/**********************************************************************
* ANDROID_WindowMessage
*/

View File

@ -12,6 +12,7 @@
@ cdecl SetLayeredWindowAttributes(long long long long) ANDROID_SetLayeredWindowAttributes
@ cdecl SetWindowRgn(long long long) ANDROID_SetWindowRgn
@ cdecl SetWindowStyle(ptr long ptr) ANDROID_SetWindowStyle
@ cdecl UpdateLayeredWindow(long ptr ptr) ANDROID_UpdateLayeredWindow
@ cdecl WindowMessage(long long long long) ANDROID_WindowMessage
@ cdecl WindowPosChanging(long long long ptr ptr ptr ptr) ANDROID_WindowPosChanging
@ cdecl WindowPosChanged(long long long ptr ptr ptr ptr ptr) ANDROID_WindowPosChanged