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/*
(c) Copyright 2012-2013 DirectFB integrated media GmbH
(c) Copyright 2001-2013 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 Shimokawa <andi@directfb.org>,
Marek Pikarski <mass@directfb.org>,
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/palette.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>
D_DEBUG_DOMAIN( UniQuE_Root, "UniQuE/Root", "UniQuE's Root Region Class" );
static void
root_update( StretRegion *region,
void *region_data,
void *update_data,
unsigned long arg,
int x,
int y,
const DFBRegion *updates,
int num )
{
int i;
CoreWindowStack *stack;
UniqueContext *context = region_data;
CardState *state = update_data;
D_ASSERT( region != NULL );
D_ASSERT( region_data != NULL );
D_ASSERT( update_data != NULL );
D_ASSERT( updates != NULL );
D_ASSERT( x == 0 );
D_ASSERT( y == 0 );
D_MAGIC_ASSERT( context, UniqueContext );
D_MAGIC_ASSERT( state, CardState );
stack = context->stack;
D_ASSERT( stack != NULL );
D_ASSERT( stack->bg.image != NULL || (stack->bg.mode != DLBM_IMAGE &&
stack->bg.mode != DLBM_TILE) );
D_DEBUG_AT( UniQuE_Root, "root_update( region %p, num %d )\n", region, num );
#if D_DEBUG_ENABLED
for (i=0; i<num; i++) {
D_DEBUG_AT( UniQuE_Root, " (%d) %4d,%4d - %4dx%4d\n",
i, DFB_RECTANGLE_VALS_FROM_REGION( &updates[i] ) );
}
#endif
switch (stack->bg.mode) {
case DLBM_COLOR: {
CoreSurface *dest = state->destination;
DFBColor *color = &stack->bg.color;
DFBRectangle rects[num];
/* Set the background color. */
if (DFB_PIXELFORMAT_IS_INDEXED( dest->config.format ))
dfb_state_set_color_index( state,
dfb_palette_search( dest->palette, color->r,
color->g, color->b, color->a ) );
else
dfb_state_set_color( state, color );
for (i=0; i<num; i++)
dfb_rectangle_from_region( &rects[i], &updates[i] );
/* Simply fill the background. */
dfb_gfxcard_fillrectangles( rects, num, state );
break;
}
case DLBM_IMAGE: {
CoreSurface *bg = stack->bg.image;
/* Set blitting source. */
state->source = bg;
state->modified |= SMF_SOURCE;
/* Set blitting flags. */
dfb_state_set_blitting_flags( state, DSBLIT_NOFX );
/* Check the size of the background image. */
if (bg->config.size.w == stack->width && bg->config.size.h == stack->height) {
for (i=0; i<num; i++) {
DFBRectangle dst = DFB_RECTANGLE_INIT_FROM_REGION( &updates[i] );
/* Simple blit for 100% fitting background image. */
dfb_gfxcard_blit( &dst, dst.x, dst.y, state );
}
}
else {
DFBRegion clip = state->clip;
for (i=0; i<num; i++) {
DFBRectangle src = { 0, 0, bg->config.size.w, bg->config.size.h };
DFBRectangle dst = { 0, 0, stack->width, stack->height };
/* Change clipping region. */
dfb_state_set_clip( state, &updates[i] );
/* Stretch blit for non fitting background images. */
dfb_gfxcard_stretchblit( &src, &dst, state );
}
/* Restore clipping region. */
dfb_state_set_clip( state, &clip );
}
/* Reset blitting source. */
state->source = NULL;
state->modified |= SMF_SOURCE;
break;
}
case DLBM_TILE: {
CoreSurface *bg = stack->bg.image;
DFBRegion clip = state->clip;
/* Set blitting source. */
state->source = bg;
state->modified |= SMF_SOURCE;
/* Set blitting flags. */
dfb_state_set_blitting_flags( state, DSBLIT_NOFX );
for (i=0; i<num; i++) {
DFBRectangle src = { 0, 0, bg->config.size.w, bg->config.size.h };
/* Change clipping region. */
dfb_state_set_clip( state, &updates[i] );
/* Tiled blit (aligned). */
dfb_gfxcard_tileblit( &src, 0, 0, stack->width, stack->height, state );
}
/* Restore clipping region. */
dfb_state_set_clip( state, &clip );
/* Reset blitting source. */
state->source = NULL;
state->modified |= SMF_SOURCE;
break;
}
case DLBM_DONTCARE:
break;
default:
D_BUG( "unknown background mode" );
break;
}
}
/*
* The root region is the desktop background.
*/
const StretRegionClass unique_root_region_class = {
.Update = root_update,
};
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