void
dfb_state_set_color_or_index( CardState *state,
const DFBColor *color,
int index )
{
CoreSurface *destination;
CorePalette *palette = NULL;
D_MAGIC_ASSERT( state, CardState );
D_ASSERT( color != NULL );
destination = state->destination;
if (destination)
palette = destination->palette;
if (index < 0) {
D_ASSERT( color != NULL );
if (palette)
dfb_state_set_color_index( state, dfb_palette_search( palette,
color->r, color->g,
color->b, color->a ) );
dfb_state_set_color( state, color );
}
else {
dfb_state_set_color_index( state, index );
if (palette) {
D_ASSERT( palette->num_entries > 0 );
D_ASSUME( palette->num_entries > index );
dfb_state_set_color( state, &palette->entries[index % palette->num_entries] );
}
}
}
DFBResult
IGraphicsState_Real__SetColorAndIndex(
CoreGraphicsState *obj,
const DFBColor *color,
u32 index
)
{
D_DEBUG_AT( DirectFB_CoreGraphicsState, "%s()\n", __FUNCTION__ );
D_ASSERT( color != NULL );
dfb_state_set_color( &obj->state, color );
dfb_state_set_color_index( &obj->state, index );
obj->state.colors[0] = *color;
obj->state.color_indices[0] = index;
return DFB_OK;
}
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;
}
}
