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Diffstat (limited to 'Source/DirectFB/wm/unique/classes/window.c')
-rwxr-xr-x | Source/DirectFB/wm/unique/classes/window.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/Source/DirectFB/wm/unique/classes/window.c b/Source/DirectFB/wm/unique/classes/window.c new file mode 100755 index 0000000..db9cbaf --- /dev/null +++ b/Source/DirectFB/wm/unique/classes/window.c @@ -0,0 +1,165 @@ +/* + (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, +}; + |