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-rw-r--r--apps/gui/backdrop.c155
1 files changed, 155 insertions, 0 deletions
diff --git a/apps/gui/backdrop.c b/apps/gui/backdrop.c
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+++ b/apps/gui/backdrop.c
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+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2006 Dave Chapman
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <stdio.h>
+#include "config.h"
+#include "lcd.h"
+#ifdef HAVE_REMOTE_LCD
+#include "lcd-remote.h"
+#endif
+#include "backdrop.h"
+
+#if LCD_DEPTH >= 8
+static fb_data main_backdrop[LCD_HEIGHT][LCD_WIDTH] __attribute__ ((aligned (16)));
+static fb_data wps_backdrop[LCD_HEIGHT][LCD_WIDTH] __attribute__ ((aligned (16)));
+#elif LCD_DEPTH == 2
+static fb_data main_backdrop[LCD_FBHEIGHT][LCD_FBWIDTH];
+static fb_data wps_backdrop[LCD_FBHEIGHT][LCD_FBWIDTH];
+#endif
+
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+static fb_remote_data remote_wps_backdrop[LCD_REMOTE_FBHEIGHT][LCD_REMOTE_FBWIDTH];
+static bool remote_wps_backdrop_valid = false;
+#endif
+
+static bool main_backdrop_valid = false;
+static bool wps_backdrop_valid = false;
+
+/* load a backdrop into a buffer */
+static bool load_backdrop(char* filename, fb_data* backdrop_buffer)
+{
+ struct bitmap bm;
+ int ret;
+
+ /* load the image */
+ bm.data=(char*)backdrop_buffer;
+ ret = read_bmp_file(filename, &bm, sizeof(main_backdrop),
+ FORMAT_NATIVE | FORMAT_DITHER);
+
+ if ((ret > 0) && (bm.width == LCD_WIDTH) && (bm.height == LCD_HEIGHT))
+ {
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+}
+
+bool load_main_backdrop(char* filename)
+{
+ main_backdrop_valid = load_backdrop(filename, &main_backdrop[0][0]);
+ return main_backdrop_valid;
+}
+
+bool load_wps_backdrop(char* filename)
+{
+ wps_backdrop_valid = load_backdrop(filename, &wps_backdrop[0][0]);
+ return wps_backdrop_valid;
+}
+
+void unload_main_backdrop(void)
+{
+ main_backdrop_valid = false;
+}
+
+void unload_wps_backdrop(void)
+{
+ wps_backdrop_valid = false;
+}
+
+void show_main_backdrop(void)
+{
+ lcd_set_backdrop(main_backdrop_valid ? &main_backdrop[0][0] : NULL);
+}
+
+void show_wps_backdrop(void)
+{
+ /* if no wps backdrop, fall back to main backdrop */
+ if(wps_backdrop_valid)
+ {
+ lcd_set_backdrop(&wps_backdrop[0][0]);
+ }
+ else
+ {
+ show_main_backdrop();
+ }
+}
+
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+
+static bool load_remote_backdrop(char* filename, fb_remote_data* backdrop_buffer)
+{
+ struct bitmap bm;
+ int ret;
+
+ /* load the image */
+ bm.data=(char*)backdrop_buffer;
+ ret = read_bmp_file(filename, &bm, sizeof(main_backdrop),
+ FORMAT_NATIVE | FORMAT_DITHER | FORMAT_REMOTE);
+
+ if ((ret > 0) && (bm.width == LCD_REMOTE_WIDTH) && (bm.height == LCD_REMOTE_HEIGHT))
+ {
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+}
+
+bool load_remote_wps_backdrop(char* filename)
+{
+ remote_wps_backdrop_valid = load_remote_backdrop(filename, &remote_wps_backdrop[0][0]);
+ return remote_wps_backdrop_valid;
+}
+
+void unload_remote_wps_backdrop(void)
+{
+ remote_wps_backdrop_valid = false;
+}
+
+void show_remote_wps_backdrop(void)
+{
+ /* if no wps backdrop, fall back to main backdrop */
+ if(remote_wps_backdrop_valid)
+ {
+ lcd_remote_set_backdrop(&remote_wps_backdrop[0][0]);
+ }
+ else
+ {
+ show_remote_main_backdrop();
+ }
+}
+
+void show_remote_main_backdrop(void)
+{
+ lcd_remote_set_backdrop(NULL);
+}
+#endif