From f396b95d8d10ceb3824bf00405a04b6104fea883 Mon Sep 17 00:00:00 2001
From: Marco Pesenti Gritti <marco@gnome.org>
Date: Wed, 22 Dec 2004 20:21:59 +0000
Subject: Fix a few bugs

2004-12-22  Marco Pesenti Gritti  <marco@gnome.org>

        * ps/gtkgs.c: (gtk_gs_init), (set_up_page),
        (ps_document_set_target), (ps_document_get_page_size),
        (ps_document_render):
        * ps/gtkgs.h:

        Fix a few bugs
---
diff --git a/ChangeLog b/ChangeLog
index a19f3ac..fd32647 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2004-12-22  Marco Pesenti Gritti  <marco@gnome.org>
+
+	* ps/gtkgs.c: (gtk_gs_init), (set_up_page),
+	(ps_document_set_target), (ps_document_get_page_size),
+	(ps_document_render):
+	* ps/gtkgs.h:
+
+	Fix a few bugs
+
 2004-12-22  Christian Rose  <menthos@menthos.com>
 
 	* configure.ac: Added "sv" to ALL_LINGUAS.
diff --git a/ps/gtkgs.c b/ps/gtkgs.c
index 3c8ce19..4c895b9 100644
--- a/ps/gtkgs.c
+++ b/ps/gtkgs.c
@@ -269,7 +269,6 @@ static void
 gtk_gs_init(GtkGS * gs)
 {
   gs->bpixmap = NULL;
-  gs->use_bpixmap = TRUE;
 
   gs->current_page = -2;
   gs->disable_start = FALSE;
@@ -504,6 +503,9 @@ set_up_page(GtkGS * gs)
   char *savelocale;
 #endif
 
+  if (gs->pstarget == NULL)
+    return;
+
   /* Do we have to check if the actual geometry changed? */
 
   stop_interpreter(gs);
@@ -516,11 +518,9 @@ set_up_page(GtkGS * gs)
     /* clear new pixmap (set to white) */
     fill = gdk_gc_new(gs->pstarget);
     if(fill) {
-      //colormap = gtk_widget_get_colormap(GTK_WIDGET(gs));
-      //gdk_color_alloc(colormap, &white);
       gdk_gc_set_foreground(fill, &white);
 
-      if(gs->use_bpixmap && gs->width > 0 && gs->height > 0) {
+      if(gs->width > 0 && gs->height > 0) {
         if(gs->bpixmap) {
           gdk_drawable_unref(gs->bpixmap);
           gs->bpixmap = NULL;
@@ -2093,7 +2093,10 @@ static void
 ps_document_set_target (EvDocument  *document,
 			 GdkDrawable *target)
 {
-	GTK_GS (document)->pstarget = target;
+	GtkGS *gs = GTK_GS (document);
+
+	gs->pstarget = target;
+	gtk_gs_goto_page (gs, gs->current_page);
 }
 
 static void
@@ -2115,6 +2118,15 @@ ps_document_get_page_size (EvDocument   *document,
 			    int          *width,
 			    int          *height)
 {
+	GtkGS *gs = GTK_GS (document);
+
+	if (width) {
+		*width = gs->width;
+	}
+
+	if (height) {
+		*height = gs->height;
+	}
 }
 
 static void
@@ -2127,6 +2139,11 @@ ps_document_render (EvDocument  *document,
 	GtkGS *gs = GTK_GS (document);
 	GdkGC *gc;
 
+	if (gs->pstarget == NULL ||
+	    gs->bpixmap == NULL) {
+		return;
+	}
+
 	gc = gdk_gc_new (gs->pstarget);
 
 	gdk_draw_drawable (gs->pstarget, gc,
diff --git a/ps/gtkgs.h b/ps/gtkgs.h
index 3ca3701..763c09c 100644
--- a/ps/gtkgs.h
+++ b/ps/gtkgs.h
@@ -70,7 +70,6 @@ struct _GtkGS {
   GtkGSZoomMode zoom_mode;
 
   GdkPixmap *bpixmap;           /* Backing pixmap */
-  int use_bpixmap;
 
   long message_window;          /* Used by ghostview to receive messages from app */
 
@@ -170,7 +169,6 @@ gboolean gtk_gs_load(GtkGS * gs, const gchar * fname);
 void gtk_gs_reload(GtkGS * gs);
 
 /* control functions */
-void gtk_gs_center_page(GtkGS * gs);
 gboolean gtk_gs_next_page(GtkGS * gs);
 gboolean gtk_gs_prev_page(GtkGS * gs);
 gboolean gtk_gs_goto_page(GtkGS * gs, gint);
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