nkeynes@31: /**
nkeynes@65:  * $Id: video.c,v 1.3 2006-01-03 12:21:45 nkeynes Exp $
nkeynes@31:  *
nkeynes@31:  * The PC side of the video support (responsible for actually displaying / 
nkeynes@31:  * rendering frames)
nkeynes@31:  *
nkeynes@31:  * Copyright (c) 2005 Nathan Keynes.
nkeynes@31:  *
nkeynes@31:  * This program is free software; you can redistribute it and/or modify
nkeynes@31:  * it under the terms of the GNU General Public License as published by
nkeynes@31:  * the Free Software Foundation; either version 2 of the License, or
nkeynes@31:  * (at your option) any later version.
nkeynes@31:  *
nkeynes@31:  * This program is distributed in the hope that it will be useful,
nkeynes@31:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
nkeynes@31:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nkeynes@31:  * GNU General Public License for more details.
nkeynes@31:  */
nkeynes@31: 
nkeynes@1: #include <gnome.h>
nkeynes@65: #include <stdint.h>
nkeynes@1: 
nkeynes@1: GdkImage *img;
nkeynes@1: GtkWindow *video_win;
nkeynes@1: GtkWidget *video_area;
nkeynes@1: char *video_data;
nkeynes@65: uint32_t video_width = 640;
nkeynes@65: uint32_t video_height = 480;
nkeynes@65: uint32_t video_frame_count = 0;
nkeynes@1: 
nkeynes@1: void video_open( void )
nkeynes@1: {
nkeynes@1:     img = gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(),
nkeynes@1:                          640, 480 );
nkeynes@1:     video_win = GTK_WINDOW(gtk_window_new( GTK_WINDOW_TOPLEVEL ));
nkeynes@1:     video_area = gtk_image_new_from_image(img, NULL);
nkeynes@1:     gtk_widget_show( video_area );
nkeynes@1:     gtk_container_add( GTK_CONTAINER(video_win), video_area );
nkeynes@1:     video_data = img->mem;
nkeynes@1:     
nkeynes@1:     gtk_window_set_title( video_win, "DreamOn! - Emulation Window" );
nkeynes@1:     gtk_window_set_policy( video_win, FALSE, FALSE, FALSE );
nkeynes@1:     gtk_window_set_default_size( video_win, 640, 480 );
nkeynes@1:     
nkeynes@1:     gtk_widget_show( GTK_WIDGET(video_win) );
nkeynes@1: }
nkeynes@1: 
nkeynes@65: /**
nkeynes@65:  * Fill the entire frame with the specified colour (00RRGGBB)
nkeynes@65:  */
nkeynes@65: void video_fill( uint32_t colour ) 
nkeynes@65: {
nkeynes@65:     char *p = video_data;
nkeynes@65:     int i;
nkeynes@65:     for( i=0; i<video_width*video_height; i++ ) {
nkeynes@65: 	*p++ = (colour>>16) & 0xFF;
nkeynes@65: 	*p++ = (colour>>8) & 0xFF;
nkeynes@65: 	*p++ = (colour) & 0xFF;
nkeynes@65:     }
nkeynes@65: }
nkeynes@65: 
nkeynes@1: void video_update_frame( void )
nkeynes@1: {
nkeynes@65:     video_frame_count++;
nkeynes@1:     gtk_widget_queue_draw( video_area );
nkeynes@1: }
nkeynes@1: 
nkeynes@1: void video_update_size( int hres, int vres, int colmode )
nkeynes@1: {
nkeynes@1:     /* do something intelligent */
nkeynes@1: }