added support for optional background image

xrdp/xrdp.ini

@@ -68,6 +68,9 @@ ls_height=430
 # login screen background color in RGB format
 ls_bg_color=dedede
 
+# optional background image filename (bmp format).
+#ls_background_image=
+
 # logo
 # full path to bmp-file or file in shared folder
 ls_logo_filename=

xrdp/xrdp_login_wnd.c

@@ -576,6 +576,23 @@ xrdp_login_wnd_create(struct xrdp_wm *self)
 
     if (regular)
     {
+        // Load the background image.
+        // If no file is specified no default image will be loaded.
+        // We only load the image if bpp > 8
+        if (globals->ls_background_image[0] != 0 && self->screen->bpp > 8)
+        {
+            char fileName[256] ;
+            but = xrdp_bitmap_create(4, 4, self->screen->bpp, WND_TYPE_IMAGE, self);
+            g_snprintf(fileName, 255, "%s/%s", XRDP_SHARE_PATH, globals->ls_background_image);
+            log_message(LOG_LEVEL_DEBUG, "We try to load the following background file: %s", fileName);
+            xrdp_bitmap_load(but, fileName, self->palette);
+            but->parent = self->screen;
+            but->owner = self->screen;
+            but->left = self->screen->width - but->width;
+            but->top = self->screen->height - but->height;
+            list_add_item(self->screen->child_list, (long)but);
+        }
+
         /* if logo image not specified, use default */
         if (globals->ls_logo_filename[0] == 0)
             g_snprintf(globals->ls_logo_filename, 255, "%s/xrdp_logo.bmp", XRDP_SHARE_PATH);
@@ -848,7 +865,11 @@ load_xrdp_config(struct xrdp_config *config, int bpp)
             g_strncpy(globals->ls_logo_filename, v, 255);
             globals->ls_logo_filename[255] = 0;
         }
-
+        else if (g_strncmp(n, "ls_background_image", 255) == 0)
+        {
+            g_strncpy(globals->ls_background_image, v, 255);
+            globals->ls_background_image[255] = 0;
+        }
         else if (g_strncmp(n, "ls_logo_x_pos", 64) == 0)
             globals->ls_logo_x_pos = g_atoi(v);
 

xrdp/xrdp_types.h

@@ -580,6 +580,7 @@ struct xrdp_cfg_globals
     int  ls_height;              /* window height */
     int  ls_bg_color;            /* background color */
     char ls_logo_filename[256];  /* logo filename */
+    char ls_background_image[256];  /* background image file name */
     int  ls_logo_x_pos;          /* logo x co-ordinate */
     int  ls_logo_y_pos;          /* logo y co-ordinate */
     int  ls_label_x_pos;         /* x pos of labels */