Add backdrop support for LCD remotes with depth > 1-bit. Only WPS backdrops, but the groundwork is laid for main backdrops too (all that's really needed are menus to set/clear them).

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13263 a1c6a512-1295-4272-9138-f99709370657

apps/bookmark.c

@@ -180,6 +180,9 @@ bool bookmark_autobookmark(void)
 #endif
 #if LCD_DEPTH > 1
     show_main_backdrop(); /* switch to main backdrop as we may come from wps */
+#endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+    show_remote_main_backdrop();
 #endif
     gui_syncstatusbar_draw(&statusbars, false);
     if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)

apps/filetree.c

@@ -452,6 +452,9 @@ int ft_enter(struct tree_context* c)
                 gui_syncsplash(0, str(LANG_WAIT));
 #if LCD_DEPTH > 1
                 unload_wps_backdrop();
+#endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+                unload_remote_wps_backdrop();
 #endif
                 wps_data_load(gui_wps[0].data, buf, true);
                 set_file(buf, (char *)global_settings.wps_file,

apps/gui/gwps-common.c

@@ -337,6 +337,9 @@ bool gui_wps_display(void)
                      /* set the default wps for the remote-screen */
                      else if(i == 1)
                      {
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+                         unload_remote_wps_backdrop();
+#endif
                          wps_data_load(gui_wps[i].data,
                                        "%s%?ia<%ia|%?d2<%d2|(root)>>\n"
                                        "%s%?it<%?in<%in. |>%it|%fn>\n"

apps/gui/gwps.c

@@ -119,6 +119,10 @@ long gui_wps_show(void)
 #endif /* LCD_DEPTH > 1 */
 #endif
 
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+    show_remote_wps_backdrop();
+#endif
+
 #ifdef AB_REPEAT_ENABLE
     ab_repeat_init();
     ab_reset_markers();
@@ -234,6 +238,9 @@ long gui_wps_show(void)
             case ACTION_WPS_CONTEXT:
 #if LCD_DEPTH > 1
                 show_main_backdrop();
+#endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+                show_remote_main_backdrop();
 #endif
                 action_signalscreenchange();
                 if (onplay(wps_state.id3->path, FILE_ATTR_AUDIO, CONTEXT_WPS)
@@ -242,6 +249,9 @@ long gui_wps_show(void)
 #if LCD_DEPTH > 1
                 show_wps_backdrop();
 #endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+                show_remote_wps_backdrop();
+#endif
 #ifdef HAVE_LCD_BITMAP
                 FOR_NB_SCREENS(i)
                 {
@@ -500,12 +510,18 @@ long gui_wps_show(void)
             case ACTION_WPS_QUICKSCREEN:
 #if LCD_DEPTH > 1
                 show_main_backdrop();
+#endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+                show_remote_main_backdrop();
 #endif
                 if (quick_screen_quick(button))
                     return SYS_USB_CONNECTED;
 #if LCD_DEPTH > 1
                 show_wps_backdrop();
 #endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+                show_remote_wps_backdrop();
+#endif
 #ifdef HAVE_LCD_BITMAP
                 FOR_NB_SCREENS(i)
                 {
@@ -521,6 +537,9 @@ long gui_wps_show(void)
             case ACTION_F3:
 #if LCD_DEPTH > 1
                 show_main_backdrop();
+#endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+                show_remote_main_backdrop();
 #endif
                 if (quick_screen_f3(BUTTON_F3))
                     return SYS_USB_CONNECTED;
@@ -539,12 +558,18 @@ long gui_wps_show(void)
             case ACTION_WPS_PITCHSCREEN:
 #if LCD_DEPTH > 1
                 show_main_backdrop();
+#endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+                show_remote_main_backdrop();
 #endif
                 action_signalscreenchange();
                 if (1 == pitch_screen())
                     return SYS_USB_CONNECTED;
 #if LCD_DEPTH > 1
                 show_wps_backdrop();
+#endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+                show_remote_wps_backdrop();
 #endif
                 restore = true;
                 break;
@@ -571,11 +596,17 @@ long gui_wps_show(void)
             case ACTION_WPS_ID3SCREEN:
 #if LCD_DEPTH > 1
                 show_main_backdrop();
+#endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+                show_remote_main_backdrop();
 #endif
                 browse_id3();
 #if LCD_DEPTH > 1
                 show_wps_backdrop();
 #endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+                show_remote_wps_backdrop();
+#endif
 #ifdef HAVE_LCD_BITMAP
                 FOR_NB_SCREENS(i)
                 {
@@ -597,6 +628,9 @@ long gui_wps_show(void)
                 bookmark_autobookmark();
 #if LCD_DEPTH > 1
                 show_main_backdrop();
+#endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+                show_remote_main_backdrop();
 #endif
                 default_event_handler(SYS_POWEROFF);
                 break;
@@ -751,4 +785,7 @@ void gui_sync_wps_init(void)
 #if LCD_DEPTH > 1
     unload_wps_backdrop();
 #endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+    unload_remote_wps_backdrop();
+#endif
 }

apps/gui/wps_parser.c

@@ -257,7 +257,7 @@ static const struct wps_tag all_tags[] = {
 
     { WPS_TOKEN_IMAGE_DISPLAY,            "x",   0,       parse_image_load },
     { WPS_TOKEN_IMAGE_PROGRESS_BAR,       "P",   0,    parse_image_special },
-#if LCD_DEPTH > 1
+#if (LCD_DEPTH > 1) || (defined(HAVE_LCD_REMOTE) && (LCD_REMOTE_DEPTH > 1))
     { WPS_TOKEN_IMAGE_BACKDROP,           "X",   0,    parse_image_special },
 #endif
 #endif
@@ -908,17 +908,22 @@ static void load_wps_bitmaps(struct wps_data *wps_data, char *bmpdir)
         }
     }
 
-#if LCD_DEPTH > 1
+#if (LCD_DEPTH > 1) || (defined(HAVE_LCD_REMOTE) && (LCD_REMOTE_DEPTH > 1))
+    if (backdrop_bmp_name)
+    {
+        get_image_filename(backdrop_bmp_name, bmpdir,
+                            img_path, sizeof(img_path));
 #ifdef HAVE_REMOTE_LCD
-    if (!wps_data->remote_wps)
+        if (wps_data->remote_wps)
+#if LCD_REMOTE_DEPTH > 1
+            load_remote_wps_backdrop(img_path)
 #endif
-        if (backdrop_bmp_name)
+            ;
-        {
+        else
-            get_image_filename(backdrop_bmp_name, bmpdir,
+#endif /* HAVE_REMOTE_LCD */
-                               img_path, sizeof(img_path));
             load_wps_backdrop(img_path);
-        }
+    }
-#endif
+#endif /* has backdrop support */
 }
 
 #endif /* HAVE_LCD_BITMAP */

apps/recorder/backdrop.c

@@ -20,6 +20,9 @@
 #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
@@ -30,6 +33,11 @@ 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;
 
@@ -93,3 +101,55 @@ void show_wps_backdrop(void)
         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

apps/recorder/backdrop.h

@@ -36,4 +36,11 @@ void show_wps_backdrop(void);
 
 #endif /* LCD_DEPTH > 1 */
 
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+bool load_remote_wps_backdrop(char* filename);
+void unload_remote_wps_backdrop(void);
+void show_remote_wps_backdrop(void);
+void show_remote_main_backdrop(void); /* only clears the wps backdrop */
+#endif
+
 #endif /* _BACKDROP_H */

apps/root_menu.c

@@ -233,6 +233,9 @@ static int wpsscrn(void* param)
     }
 #if LCD_DEPTH > 1
     show_main_backdrop();
+#endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+    show_remote_main_backdrop();
 #endif
     return ret_val;
 }

apps/screens.c

@@ -89,6 +89,9 @@ void usb_screen(void)
 #ifdef HAVE_LCD_COLOR
     show_main_backdrop();
 #endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+    show_remote_main_backdrop();
+#endif
 
     FOR_NB_SCREENS(i)
         screens[i].backlight_on();

apps/settings.c

@@ -741,6 +741,9 @@ void settings_apply(void)
 
 #if LCD_DEPTH > 1
     unload_wps_backdrop();
+#endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+    unload_remote_wps_backdrop();
 #endif
     if ( global_settings.wps_file[0] &&
          global_settings.wps_file[0] != 0xff ) {
@@ -767,6 +770,9 @@ void settings_apply(void)
     }
     show_main_backdrop();
 #endif
+#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
+    show_remote_main_backdrop();
+#endif
 
 #ifdef HAVE_LCD_COLOR
     screens[SCREEN_MAIN].set_foreground(global_settings.fg_color);

firmware/export/lcd-remote.h

@@ -181,6 +181,8 @@ extern void     lcd_remote_set_background(unsigned background);
 extern unsigned lcd_remote_get_background(void);
 extern void     lcd_remote_set_drawinfo(int mode, unsigned foreground,
                                         unsigned background);
+void lcd_remote_set_backdrop(fb_remote_data* backdrop);
+fb_remote_data* lcd_remote_get_backdrop(void);
 
 extern void lcd_remote_mono_bitmap_part(const unsigned char *src, int src_x,
                                         int src_y, int stride, int x, int y,