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/*
(c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Hundt <andi@fischlustig.de>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <directfb.h>
#include <direct/debug.h>
#include <direct/messages.h>
#include <direct/util.h>
#include <core/gfxcard.h>
#include <core/state.h>
#include <core/surface.h>
#include <core/windows_internal.h>
#include <misc/util.h>
#include <unique/context.h>
#include <unique/internal.h>
#include <unique/stret.h>
#include <unique/window.h>
D_DEBUG_DOMAIN( UniQuE_Window, "UniQuE/WindowReg", "UniQuE's Window Region Class" );
static DFBResult
window_get_input( StretRegion *region,
void *region_data,
unsigned long arg,
int index,
int x,
int y,
UniqueInputChannel **ret_channel )
{
UniqueWindow *window = region_data;
D_MAGIC_ASSERT( region, StretRegion );
D_MAGIC_ASSERT( window, UniqueWindow );
D_ASSERT( ret_channel != NULL );
D_DEBUG_AT( UniQuE_Window, "window_get_input( region %p, window %p, index %d, x %d, y %d )\n",
region, window, index, x, y );
*ret_channel = window->channel;
return DFB_OK;
}
static void
window_update( StretRegion *region,
void *region_data,
void *update_data,
unsigned long arg,
int x,
int y,
const DFBRegion *updates,
int num )
{
int i;
DFBSurfaceBlittingFlags flags = DSBLIT_NOFX;
UniqueWindow *window = region_data;
CardState *state = update_data;
bool alpha = arg;
bool visible;
D_ASSERT( updates != NULL );
D_MAGIC_ASSERT( region, StretRegion );
D_MAGIC_ASSERT( window, UniqueWindow );
D_MAGIC_ASSERT( state, CardState );
D_ASSERT( window->surface != NULL );
visible = D_FLAGS_IS_SET( window->flags, UWF_VISIBLE );
D_DEBUG_AT( UniQuE_Window, "window_update( region %p, window %p, visible %s, num %d )\n",
region, window, visible ? "yes" : "no", num );
#if D_DEBUG_ENABLED
for (i=0; i<num; i++) {
D_DEBUG_AT( UniQuE_Window, " (%d) %4d,%4d - %4dx%4d\n",
i, DFB_RECTANGLE_VALS_FROM_REGION( &updates[i] ) );
}
#endif
if (!visible)
return;
/* Use per pixel alpha blending. */
if (alpha && (window->options & DWOP_ALPHACHANNEL))
flags |= DSBLIT_BLEND_ALPHACHANNEL;
/* Use global alpha blending. */
if (window->opacity != 0xFF) {
flags |= DSBLIT_BLEND_COLORALPHA;
/* Set opacity as blending factor. */
if (state->color.a != window->opacity) {
state->color.a = window->opacity;
state->modified |= SMF_COLOR;
}
}
/* Use source color keying. */
if (window->options & DWOP_COLORKEYING) {
flags |= DSBLIT_SRC_COLORKEY;
/* Set window color key. */
dfb_state_set_src_colorkey( state, window->color_key );
}
/* Use automatic deinterlacing. */
if (window->surface->config.caps & DSCAPS_INTERLACED)
flags |= DSBLIT_DEINTERLACE;
/* Set blitting flags. */
dfb_state_set_blitting_flags( state, flags );
/* Set blitting source. */
state->source = window->surface;
state->modified |= SMF_SOURCE;
for (i=0; i<num; i++) {
DFBRectangle src = DFB_RECTANGLE_INIT_FROM_REGION( &updates[i] );
/* Blit from the window to the region being updated. */
dfb_gfxcard_blit( &src, x + src.x, y + src.y, state );
}
/* Reset blitting source. */
state->source = NULL;
state->modified |= SMF_SOURCE;
}
const StretRegionClass unique_window_region_class = {
.GetInput = window_get_input,
.Update = window_update,
};
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