[sane-devel] Re: [patch] xscanimage: resolution of the resulting GIMP image

[Aurelien Jarno]

Oups, forgotten the patch...

-------------- next part --------------
--- xscanimage.c	2003-01-12 20:45:27.000000000 +0100
+++ /home/aurel32/xscanimage.c	2003-01-12 20:45:09.000000000 +0100
@@ -380,4 +380,29 @@
 #endif /* HAVE_LIBGIMP_GIMP_H */
 
+static SANE_Word get_resolution(SANE_Handle dev)
+{
+  int i;
+  SANE_Word resolution;
+  SANE_Int num_options;
+  const SANE_Option_Descriptor *option_desc;
+
+  sane_control_option (dev, 0, SANE_ACTION_GET_VALUE, &num_options, 0);
+  
+  for(i = 1 ; i < num_options ; i++)
+  {
+    option_desc = sane_get_option_descriptor(dev, i);
+    if (option_desc)
+      if (option_desc->name)	    
+        if (strncmp(option_desc->name,
+                    SANE_NAME_SCAN_RESOLUTION, 
+    		    sizeof(SANE_NAME_SCAN_RESOLUTION)) == 0)
+        {
+          sane_control_option (dev, i, SANE_ACTION_GET_VALUE, &resolution, 0);
+    	  return resolution;
+        }
+  }      
+  return 0; 
+}
+
 static void
 update_preview (GSGDialog *dialog, void *arg)
@@ -864,4 +889,9 @@
   SANE_Status status;
   SANE_Handle dev = gsg_dialog_get_device (dialog);
+
+#ifdef HAVE_LIBGIMP_GIMP_H  
+  SANE_Word resolution;
+#endif /* HAVE_LIBGIMP_GIMP_H */
+  
   const char *frame_type = 0;
   char buf[256];
@@ -1013,6 +1043,12 @@
 	    }
 
+	  
 	  scan_win.image_ID = gimp_image_new (scan_win.param.pixels_per_line,
 					     scan_win.param.lines, image_type);
+	  resolution = get_resolution(dev);
+         if (resolution != 0) gimp_image_set_resolution(scan_win.image_ID, 
+			                                 resolution, 
+						         resolution);
+
 	  layer_ID = gimp_layer_new (scan_win.image_ID, "Background",
 				     scan_win.param.pixels_per_line,