Support for video image files added

xtt/lib/glow/src/glow_growapi.cpp

@@ -3491,6 +3491,10 @@ void grow_GetNodeClassOrigo( grow_tObject object, double *x, double *y)
   ((GrowNode *)object)->get_nodeclass_origo((GlowTransform *)NULL, x, y);
 }
 
+int grow_ImageUpdate( grow_tObject object)
+{
+  return ((GrowImage *)object)->update();
+}
 
 
 

xtt/lib/glow/src/glow_growapi.h

@@ -539,6 +539,7 @@ int grow_GetBackgroundObjectLimits( grow_tCtx ctx, glow_eTraceType type,
 int grow_GetTranslate( grow_tCtx ctx);
 glow_eMB3Action grow_GetMB3Action( grow_tCtx ctx);
 void grow_GetNodeClassOrigo( grow_tObject object, double *x, double *y);
+int grow_ImageUpdate( grow_tObject object);
 
 #if defined __cplusplus
 }

xtt/lib/glow/src/glow_growimage.cpp

@@ -5,6 +5,10 @@
 #include <float.h>
 #include <math.h>
 #include <stdlib.h>
+#if defined OS_LINUX || defined OS_LYNX
+#include <sys/types.h>
+#include <sys/stat.h>
+#endif
 #include "glow_transform.h"
 #include "glow_growimage.h"
 #include "glow_grownode.h"
@@ -41,6 +45,7 @@ GrowImage::GrowImage( GlowCtx *glow_ctx, char *name, double x, double y,
 {
   strcpy( n_name, name);
   strcpy( image_filename, "");
+  strcpy( filename, "");
   strcpy( last_group, "");
   imlib = ((draw_tCtx)ctx->draw_ctx)->imlib;
   if ( imagefile)
@@ -112,8 +117,9 @@ int GrowImage::insert_image( char *imagefile)
 {
   int found = 0;
   char imagename[80];
-  char filename[120];
   char *s;
+  struct stat info;
+  int sts;
 
   strcpy( image_filename, imagefile);
 
@@ -150,6 +156,12 @@ int GrowImage::insert_image( char *imagefile)
   }
 
 #if defined IMLIB
+  sts = stat( filename, &info);
+  if ( sts == -1)
+    return 0;
+
+  date = info.st_ctime;
+
   if ( pixmap) {
     Imlib_free_pixmap( imlib, pixmap);
     pixmap = 0;
@@ -206,6 +218,53 @@ int GrowImage::insert_image( char *imagefile)
   return 1;
 }
 
+int GrowImage::update()
+{
+
+#if defined IMLIB
+  struct stat info;
+  int sts;
+
+  sts = stat( filename, &info);
+  if ( sts == -1)
+    return 0;
+
+  if ( date == info.st_ctime)
+    return 0;
+  date = info.st_ctime;
+
+  if ( original_image)
+    Imlib_kill_image( imlib, original_image);
+
+  original_image = Imlib_load_image( imlib, filename);
+  if ( !original_image) 
+    return 0;
+
+  if ( pixmap) {
+    Imlib_free_pixmap( imlib, pixmap);
+    pixmap = 0;
+  }
+  if ( nav_pixmap) {
+    Imlib_free_pixmap( imlib, nav_pixmap);  
+    nav_pixmap = 0;
+  }
+
+  // Make a copy
+  if ( image)
+    Imlib_kill_image( imlib, image);
+  image = Imlib_clone_image( imlib, original_image);
+
+  set_image_color( image, NULL);
+  Imlib_render( imlib, image, current_width, current_height);
+  pixmap = Imlib_move_image( imlib, image);
+
+  draw();
+  return 1;
+
+#endif
+  return 0;
+}
+
 void GrowImage::zoom()
 {
   ll.zoom();

xtt/lib/glow/src/glow_growimage.h

@@ -51,6 +51,7 @@ class GrowImage : public GlowArrayElem {
     void get_object_name( char *name) { strcpy( name, n_name);};
     void set_object_name( char *name) { strcpy( n_name, name);};
     void align( double x, double y, glow_eAlignDirection direction);
+    int update();
 
     GlowPoint ll;
     GlowPoint ur;
@@ -100,6 +101,8 @@ class GrowImage : public GlowArrayElem {
     int		current_nav_color_inverse;
     int         current_nav_direction;
     char        last_group[32];
+    int		date;
+    char	filename[256];
  
     int insert_image( char *imagefile);
     void zoom();