Updated wince branch to current versionwince

git-svn-id: http://svn.code.sf.net/p/navit/code/branches/wince/navit@2430 ffa7fe5e-494d-0410-b361-a75ebd5db220

1 files changed, 2160 insertions, 0 deletions

diff --git a/graphics.c b/graphics.c
new file mode 100644
index 00000000..ecb199a4
--- /dev/null
+++ b/graphics.c
@@ -0,0 +1,2160 @@
+/**
+ * Navit, a modular navigation system.
+ * Copyright (C) 2005-2008 Navit Team
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ */
+
+//##############################################################################################################
+//#
+//# File: graphics.c
+//# Description: 
+//# Comment: 
+//# Authors: Martin Schaller (04/2008)
+//#
+//##############################################################################################################
+
+#include <glib.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include "debug.h"
+#include "string.h"
+#include "draw_info.h"
+#include "point.h"
+#include "graphics.h"
+#include "projection.h"
+#include "item.h"
+#include "map.h"
+#include "coord.h"
+#include "transform.h"
+#include "plugin.h"
+#include "profile.h"
+#include "mapset.h"
+#include "layout.h"
+#include "route.h"
+#include "util.h"
+#include "callback.h"
+#include "file.h"
+#include "event.h"
+
+static char *navit_sharedir;
+
+//##############################################################################################################
+//# Description: 
+//# Comment: 
+//# Authors: Martin Schaller (04/2008)
+//##############################################################################################################
+struct graphics
+{
+	struct graphics_priv *priv;
+	struct graphics_methods meth;
+	char *default_font;
+	int font_len;
+	struct graphics_font **font;
+	struct graphics_gc *gc[3];
+	struct attr **attrs;
+	struct callback_list *cbl;
+	struct point_rect r;
+	GList *selection;
+};
+
+struct display_context
+{
+	struct graphics *gra;
+	struct element *e;
+	struct graphics_gc *gc;
+	struct graphics_image *img;
+	enum projection pro;
+	struct transformation *trans;
+};
+
+struct displaylist {
+	GHashTable *dl;
+	int busy;
+	int workload;
+	struct callback *cb;
+	struct layout *layout;
+	struct display_context dc;
+	int order;
+	struct mapset *ms;
+	struct mapset_handle *msh;
+	struct map *m;
+	int conv;
+	struct map_selection *sel;
+	struct map_rect *mr;
+	struct callback *idle_cb;
+	struct event_idle *idle_ev;
+};
+
+
+static void draw_circle(struct point *pnt, int diameter, int scale, int start, int len, struct point *res, int *pos, int dir);
+static void graphics_process_selection(struct graphics *gra, struct displaylist *dl);
+
+void
+graphics_set_rect(struct graphics *gra, struct point_rect *pr)
+{
+	gra->r=*pr;
+}
+
+/**
+ * Creates a new graphics object
+ * attr type required
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct graphics * graphics_new(struct attr *parent, struct attr **attrs)
+{
+	struct graphics *this_;
+    	struct attr *type_attr;
+	struct graphics_priv * (*graphicstype_new)(struct navit *nav, struct graphics_methods *meth, struct attr **attrs, struct callback_list *cbl);
+
+        if (! (type_attr=attr_search(attrs, NULL, attr_type))) {
+                return NULL;
+        }
+
+	graphicstype_new=plugin_get_graphics_type(type_attr->u.str);
+	if (! graphicstype_new)
+		return NULL;
+	this_=g_new0(struct graphics, 1);
+	this_->cbl=callback_list_new();
+	this_->priv=(*graphicstype_new)(parent->u.navit, &this_->meth, attrs, this_->cbl);
+	this_->attrs=attr_list_dup(attrs);
+	return this_;
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+int graphics_get_attr(struct graphics *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
+{
+	return attr_generic_get_attr(this_->attrs, NULL, type, attr, iter);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct graphics * graphics_overlay_new(struct graphics *parent, struct point *p, int w, int h, int alpha, int wraparound)
+{
+	struct graphics *this_;
+	if (!parent->meth.overlay_new)
+		return NULL;
+	this_=g_new0(struct graphics, 1);
+	this_->priv=parent->meth.overlay_new(parent->priv, &this_->meth, p, w, h, alpha, wraparound);
+	if (!this_->priv) {
+		g_free(this_);
+		this_=NULL;
+	}
+	return this_;
+}
+
+/**
+ * @brief Alters the size, position, alpha and wraparound for an overlay
+ *
+ * @param this_ The overlay's graphics struct
+ * @param p The new position of the overlay
+ * @param w The new width of the overlay
+ * @param h The new height of the overlay
+ * @param alpha The new alpha of the overlay
+ * @param wraparound The new wraparound of the overlay
+ */
+void 
+graphics_overlay_resize(struct graphics *this_, struct point *p, int w, int h, int alpha, int wraparound)
+{
+	if (! this_->meth.overlay_resize) {
+		return;
+	}
+	
+	this_->meth.overlay_resize(this_->priv, p, w, h, alpha, wraparound);
+}
+
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_init(struct graphics *this_)
+{
+	this_->gc[0]=graphics_gc_new(this_);
+	graphics_gc_set_background(this_->gc[0], &(struct color) { 0xffff, 0xefef, 0xb7b7, 0xffff});
+	graphics_gc_set_foreground(this_->gc[0], &(struct color) { 0xffff, 0xefef, 0xb7b7, 0xffff });
+	this_->gc[1]=graphics_gc_new(this_);
+	graphics_gc_set_background(this_->gc[1], &(struct color) { 0x0000, 0x0000, 0x0000, 0xffff });
+	graphics_gc_set_foreground(this_->gc[1], &(struct color) { 0xffff, 0xffff, 0xffff, 0xffff });
+	this_->gc[2]=graphics_gc_new(this_);
+	graphics_gc_set_background(this_->gc[2], &(struct color) { 0xffff, 0xffff, 0xffff, 0xffff });
+	graphics_gc_set_foreground(this_->gc[2], &(struct color) { 0x0000, 0x0000, 0x0000, 0xffff });
+	graphics_background_gc(this_, this_->gc[0]);
+	navit_sharedir = getenv("NAVIT_SHAREDIR");
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void * graphics_get_data(struct graphics *this_, char *type)
+{
+	return (this_->meth.get_data(this_->priv, type));
+}
+
+void graphics_add_callback(struct graphics *this_, struct callback *cb)
+{
+	callback_list_add(this_->cbl, cb);
+}
+
+void graphics_remove_callback(struct graphics *this_, struct callback *cb)
+{
+	callback_list_remove(this_->cbl, cb);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct graphics_font * graphics_font_new(struct graphics *gra, int size, int flags)
+{
+	struct graphics_font *this_;
+
+	this_=g_new0(struct graphics_font,1);
+	this_->priv=gra->meth.font_new(gra->priv, &this_->meth, gra->default_font, size, flags);
+	return this_;
+}
+
+/**
+ * Free all loaded fonts.
+ * Used when switching layouts.
+ * @param gra The graphics instance
+ * @returns nothing
+ * @author Sarah Nordstrom (05/2008)
+ */
+void graphics_font_destroy_all(struct graphics *gra) 
+{ 
+	int i; 
+	for(i = 0 ; i < gra->font_len; i++) { 
+ 		if(!gra->font[i]) continue; 
+ 		gra->font[i]->meth.font_destroy(gra->font[i]->priv); 
+             	gra->font[i] = NULL; 
+	}
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct graphics_gc * graphics_gc_new(struct graphics *gra)
+{
+	struct graphics_gc *this_;
+
+	this_=g_new0(struct graphics_gc,1);
+	this_->priv=gra->meth.gc_new(gra->priv, &this_->meth);
+	return this_;
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_gc_destroy(struct graphics_gc *gc)
+{
+	gc->meth.gc_destroy(gc->priv);
+	g_free(gc);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_gc_set_foreground(struct graphics_gc *gc, struct color *c)
+{
+	gc->meth.gc_set_foreground(gc->priv, c);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_gc_set_background(struct graphics_gc *gc, struct color *c)
+{
+	gc->meth.gc_set_background(gc->priv, c);
+}
+
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_gc_set_stipple(struct graphics_gc *gc, struct graphics_image *img) 
+{
+	gc->meth.gc_set_stipple(gc->priv, img ? img->priv : NULL);
+}
+
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_gc_set_linewidth(struct graphics_gc *gc, int width)
+{
+	gc->meth.gc_set_linewidth(gc->priv, width);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_gc_set_dashes(struct graphics_gc *gc, int width, int offset, unsigned char dash_list[], int n)
+{
+	if (gc->meth.gc_set_dashes)
+		gc->meth.gc_set_dashes(gc->priv, width, offset, dash_list, n);
+}
+
+/**
+ * Create a new image from file path scaled to w and h pixels
+ * @param gra the graphics instance
+ * @param path path of the image to load
+ * @param w width to rescale to
+ * @param h height to rescale to
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct graphics_image * graphics_image_new_scaled(struct graphics *gra, char *path, int w, int h)
+{
+	struct graphics_image *this_;
+
+	this_=g_new0(struct graphics_image,1);
+	this_->height=h;
+	this_->width=w;
+	this_->priv=gra->meth.image_new(gra->priv, &this_->meth, path, &this_->width, &this_->height, &this_->hot, 0);
+	if (! this_->priv) {
+		g_free(this_);
+		this_=NULL;
+	}
+	return this_;
+}
+
+/**
+ * Create a new image from file path scaled to w and h pixels and possibly rotated
+ * @param gra the graphics instance
+ * @param path path of the image to load
+ * @param w width to rescale to
+ * @param h height to rescale to
+ * @param rotate angle to rotate the image. Warning, graphics might only support 90 degree steps here
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct graphics_image * graphics_image_new_scaled_rotated(struct graphics *gra, char *path, int w, int h, int rotate)
+{
+	struct graphics_image *this_;
+
+	this_=g_new0(struct graphics_image,1);
+	this_->height=h;
+	this_->width=w;
+	this_->priv=gra->meth.image_new(gra->priv, &this_->meth, path, &this_->width, &this_->height, &this_->hot, rotate);
+	if (! this_->priv) {
+		g_free(this_);
+		this_=NULL;
+	}
+	return this_;
+}
+
+/**
+ * Create a new image from file path
+ * @param gra the graphics instance
+ * @param path path of the image to load
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct graphics_image * graphics_image_new(struct graphics *gra, char *path)
+{
+	return graphics_image_new_scaled(gra, path, -1, -1);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_image_free(struct graphics *gra, struct graphics_image *img)
+{
+	if (gra->meth.image_free)
+		gra->meth.image_free(gra->priv, img->priv);
+	g_free(img);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_draw_restore(struct graphics *this_, struct point *p, int w, int h)
+{
+	this_->meth.draw_restore(this_->priv, p, w, h);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_draw_mode(struct graphics *this_, enum draw_mode_num mode)
+{
+	this_->meth.draw_mode(this_->priv, mode);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_draw_lines(struct graphics *this_, struct graphics_gc *gc, struct point *p, int count)
+{
+	this_->meth.draw_lines(this_->priv, gc->priv, p, count);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_draw_circle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int r)
+{
+	this_->meth.draw_circle(this_->priv, gc->priv, p, r);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_draw_rectangle(struct graphics *this_, struct graphics_gc *gc, struct point *p, int w, int h)
+{
+	this_->meth.draw_rectangle(this_->priv, gc->priv, p, w, h);
+}
+
+void graphics_draw_rectangle_rounded(struct graphics *this_, struct graphics_gc *gc, struct point *plu, int w, int h, int r, int fill)
+{
+	struct point p[r*4+32];
+	struct point pi0={plu->x+r,plu->y+r};
+	struct point pi1={plu->x+w-r,plu->y+r};
+	struct point pi2={plu->x+w-r,plu->y+h-r};
+	struct point pi3={plu->x+r,plu->y+h-r};
+	int i=0;
+
+	draw_circle(&pi2, r*2, 0, -1, 258, p, &i, 1);
+	draw_circle(&pi1, r*2, 0, 255, 258, p, &i, 1);
+	draw_circle(&pi0, r*2, 0, 511, 258, p, &i, 1);
+	draw_circle(&pi3, r*2, 0, 767, 258, p, &i, 1);
+	p[i]=p[0];
+	i++;
+	if (fill)
+		this_->meth.draw_polygon(this_->priv, gc->priv, p, i);
+	else
+		this_->meth.draw_lines(this_->priv, gc->priv, p, i);
+}
+
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_draw_text(struct graphics *this_, struct graphics_gc *gc1, struct graphics_gc *gc2, struct graphics_font *font, char *text, struct point *p, int dx, int dy)
+{
+	this_->meth.draw_text(this_->priv, gc1->priv, gc2 ? gc2->priv : NULL, font->priv, text, p, dx, dy);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_get_text_bbox(struct graphics *this_, struct graphics_font *font, char *text, int dx, int dy, struct point *ret, int estimate)
+{
+	this_->meth.get_text_bbox(this_->priv, font->priv, text, dx, dy, ret, estimate);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_overlay_disable(struct graphics *this_, int disable)
+{
+	if (this_->meth.overlay_disable)
+		this_->meth.overlay_disable(this_->priv, disable);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_draw_image(struct graphics *this_, struct graphics_gc *gc, struct point *p, struct graphics_image *img)
+{
+	this_->meth.draw_image(this_->priv, gc->priv, p, img->priv);
+}
+
+
+//##############################################################################################################
+//# Description:
+//# Comment:
+//# Authors: Martin Schaller (04/2008)
+//##############################################################################################################
+int
+graphics_draw_drag(struct graphics *this_, struct point *p)
+{
+	if (!this_->meth.draw_drag)
+		return 0;
+	this_->meth.draw_drag(this_->priv, p);
+	return 1;
+}
+
+void
+graphics_background_gc(struct graphics *this_, struct graphics_gc *gc)
+{
+	this_->meth.background_gc(this_->priv, gc ? gc->priv : NULL);
+}
+
+#include "attr.h"
+#include "popup.h"
+#include <stdio.h>
+
+
+#if 0
+//##############################################################################################################
+//# Description: 
+//# Comment: 
+//# Authors: Martin Schaller (04/2008)
+//##############################################################################################################
+static void popup_view_html(struct popup_item *item, char *file)
+{
+	char command[1024];
+	sprintf(command,"firefox %s", file);
+	system(command);
+}
+
+struct transformatin *tg;
+enum projection pg;
+
+//##############################################################################################################
+//# Description: 
+//# Comment: 
+//# Authors: Martin Schaller (04/2008)
+//##############################################################################################################
+static void graphics_popup(struct display_list *list, struct popup_item **popup)
+{
+	struct item *item;
+	struct attr attr;
+	struct map_rect *mr;
+	struct coord c;
+	struct popup_item *curr_item,*last=NULL;
+	item=list->data;
+	mr=map_rect_new(item->map, NULL, NULL, 0);
+	printf("id hi=0x%x lo=0x%x\n", item->id_hi, item->id_lo);
+	item=map_rect_get_item_byid(mr, item->id_hi, item->id_lo);
+	if (item) {
+		if (item_attr_get(item, attr_name, &attr)) {
+			curr_item=popup_item_new_text(popup,attr.u.str,1);
+			if (item_attr_get(item, attr_info_html, &attr)) {
+				popup_item_new_func(&last,"HTML Info",1, popup_view_html, g_strdup(attr.u.str));
+			}
+			if (item_attr_get(item, attr_price_html, &attr)) {
+				popup_item_new_func(&last,"HTML Preis",2, popup_view_html, g_strdup(attr.u.str));
+			}
+			curr_item->submenu=last;
+		}
+	}
+	map_rect_destroy(mr);
+}
+#endif
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct displayitem {
+	struct item item;
+	char *label;
+	int displayed;
+	int count;
+	struct coord c[0];
+};
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static int xdisplay_free_list(gpointer key, gpointer value, gpointer user_data)
+{
+	GHashTable *hash=value;
+	if (hash) 
+		g_hash_table_destroy(hash);
+	return TRUE;
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static void xdisplay_free(GHashTable *display_list)
+{
+	g_hash_table_foreach_remove(display_list, xdisplay_free_list, NULL);
+}
+
+static guint
+displayitem_hash(gconstpointer key)
+{
+	const struct displayitem *di=key;
+	return (di->item.id_hi^di->item.id_lo^((int) di->item.map));
+}
+
+static gboolean
+displayitem_equal(gconstpointer a, gconstpointer b)
+{
+	const struct displayitem *dia=a;
+	const struct displayitem *dib=b;
+	if (item_is_equal(dia->item, dib->item))
+                return TRUE;
+        return FALSE;
+}
+
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static void display_add(struct displaylist *displaylist, struct item *item, int count, struct coord *c, char *label)
+{
+	struct displayitem *di;
+	int len;
+	GHashTable *h;
+	char *p;
+
+	len=sizeof(*di)+count*sizeof(*c);
+	if (label)
+		len+=strlen(label)+1;
+
+	p=g_malloc(len);
+
+	di=(struct displayitem *)p;
+	di->displayed=0;
+	p+=sizeof(*di)+count*sizeof(*c);
+	di->item=*item;
+	if (label) {
+		di->label=p;
+		strcpy(di->label, label);
+	} else 
+		di->label=NULL;
+	di->count=count;
+	memcpy(di->c, c, count*sizeof(*c));
+
+	h=g_hash_table_lookup(displaylist->dl, GINT_TO_POINTER(item->type));
+	if (! h) {
+		h=g_hash_table_new_full(displayitem_hash, displayitem_equal, g_free, NULL);
+		g_hash_table_insert(displaylist->dl, GINT_TO_POINTER(item->type), h);
+	}
+	g_hash_table_replace(h, di, di);
+}
+
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static void label_line(struct graphics *gra, struct graphics_gc *fg, struct graphics_gc *bg, struct graphics_font *font, struct point *p, int count, char *label)
+{
+	int i,x,y,tl,tlm,th,thm,tlsq,l;
+	float lsq;
+	double dx,dy;
+	struct point p_t;
+	struct point pb[5];
+
+	if (gra->meth.get_text_bbox) {
+		gra->meth.get_text_bbox(gra->priv, font->priv, label, 0x10000, 0x0, pb, 1);
+		tl=(pb[2].x-pb[0].x);
+		th=(pb[0].y-pb[1].y);
+	} else {
+		tl=strlen(label)*4;
+		th=8;
+	}
+	tlm=tl*32;
+	thm=th*36;
+	tlsq = tlm*tlm;
+	for (i = 0 ; i < count-1 ; i++) {
+		dx=p[i+1].x-p[i].x;
+		dx*=32;
+		dy=p[i+1].y-p[i].y;
+		dy*=32;
+		lsq = dx*dx+dy*dy;
+		if (lsq > tlsq) {
+			l=(int)sqrtf(lsq);
+			x=p[i].x;
+			y=p[i].y;
+			if (dx < 0) {
+				dx=-dx;
+				dy=-dy;
+				x=p[i+1].x;
+				y=p[i+1].y;
+			}
+			x+=(l-tlm)*dx/l/64;
+			y+=(l-tlm)*dy/l/64;
+			x-=dy*thm/l/64;
+			y+=dx*thm/l/64;
+			p_t.x=x;
+			p_t.y=y;
+#if 0
+			dbg(0,"display_text: '%s', %d, %d, %d, %d %d\n", label, x, y, dx*0x10000/l, dy*0x10000/l, l);
+#endif
+			if (x < gra->r.rl.x && x + tl > gra->r.lu.x && y + tl > gra->r.lu.y && y - tl < gra->r.rl.y) 
+				gra->meth.draw_text(gra->priv, fg->priv, bg->priv, font->priv, label, &p_t, dx*0x10000/l, dy*0x10000/l);
+		}
+	}
+}
+
+static void display_draw_arrow(struct point *p, int dx, int dy, int l, struct graphics_gc *gc, struct graphics *gra)
+{
+	struct point pnt[3];
+	pnt[0]=pnt[1]=pnt[2]=*p;
+	pnt[0].x+=-dx*l/65536+dy*l/65536;
+	pnt[0].y+=-dy*l/65536-dx*l/65536;
+	pnt[2].x+=-dx*l/65536-dy*l/65536;
+	pnt[2].y+=-dy*l/65536+dx*l/65536;
+	gra->meth.draw_lines(gra->priv, gc->priv, pnt, 3);
+}
+
+static void display_draw_arrows(struct graphics *gra, struct graphics_gc *gc, struct point *pnt, int count)
+{
+	int i,dx,dy,l;
+	struct point p;
+	for (i = 0 ; i < count-1 ; i++) {
+		dx=pnt[i+1].x-pnt[i].x;	
+		dy=pnt[i+1].y-pnt[i].y;
+		l=sqrt(dx*dx+dy*dy);
+		if (l) {
+			dx=dx*65536/l;
+			dy=dy*65536/l;
+			p=pnt[i];
+			p.x+=dx*15/65536;
+			p.y+=dy*15/65536;
+			display_draw_arrow(&p, dx, dy, 10, gc, gra);
+			p=pnt[i+1];
+			p.x-=dx*15/65536;
+			p.y-=dy*15/65536;
+			display_draw_arrow(&p, dx, dy, 10, gc, gra);
+		}
+	}
+}
+
+static int
+intersection(struct point * a1, int adx, int ady, struct point * b1, int bdx, int bdy,
+	      struct point * res)
+{
+	int n, a, b;
+	n = bdy * adx - bdx * ady;
+	a = bdx * (a1->y - b1->y) - bdy * (a1->x - b1->x);
+	b = adx * (a1->y - b1->y) - ady * (a1->x - b1->x);
+	if (n < 0) {
+		n = -n;
+		a = -a;
+		b = -b;
+	}
+#if 0
+	if (a < 0 || b < 0)
+		return 0;
+	if (a > n || b > n)
+		return 0;
+#endif
+	if (n == 0)
+		return 0;
+	res->x = a1->x + a * adx / n;
+	res->y = a1->y + a * ady / n;
+	return 1;
+}
+
+struct circle {
+	short x,y,fowler;
+} circle64[]={
+{0,128,0},
+{13,127,13},
+{25,126,25},
+{37,122,38},
+{49,118,53},
+{60,113,67},
+{71,106,85},
+{81,99,104},
+{91,91,128},
+{99,81,152},
+{106,71,171},
+{113,60,189},
+{118,49,203},
+{122,37,218},
+{126,25,231},
+{127,13,243},
+{128,0,256},
+{127,-13,269},
+{126,-25,281},
+{122,-37,294},
+{118,-49,309},
+{113,-60,323},
+{106,-71,341},
+{99,-81,360},
+{91,-91,384},
+{81,-99,408},
+{71,-106,427},
+{60,-113,445},
+{49,-118,459},
+{37,-122,474},
+{25,-126,487},
+{13,-127,499},
+{0,-128,512},
+{-13,-127,525},
+{-25,-126,537},
+{-37,-122,550},
+{-49,-118,565},
+{-60,-113,579},
+{-71,-106,597},
+{-81,-99,616},
+{-91,-91,640},
+{-99,-81,664},
+{-106,-71,683},
+{-113,-60,701},
+{-118,-49,715},
+{-122,-37,730},
+{-126,-25,743},
+{-127,-13,755},
+{-128,0,768},
+{-127,13,781},
+{-126,25,793},
+{-122,37,806},
+{-118,49,821},
+{-113,60,835},
+{-106,71,853},
+{-99,81,872},
+{-91,91,896},
+{-81,99,920},
+{-71,106,939},
+{-60,113,957},
+{-49,118,971},
+{-37,122,986},
+{-25,126,999},
+{-13,127,1011},
+};
+
+static void
+draw_circle(struct point *pnt, int diameter, int scale, int start, int len, struct point *res, int *pos, int dir)
+{
+	struct circle *c;
+
+#if 0
+	dbg(0,"diameter=%d start=%d len=%d pos=%d dir=%d\n", diameter, start, len, *pos, dir);
+#endif
+	int count=64;
+	int end=start+len;
+	int i,step;
+	c=circle64;
+	if (diameter > 128)
+		step=1;
+	else if (diameter > 64)
+		step=2;
+	else if (diameter > 24)
+		step=4;
+	else if (diameter > 8)
+		step=8;
+	else
+		step=16;
+	if (len > 0) {
+		while (start < 0) {
+			start+=1024;
+			end+=1024;
+		}
+		while (end > 0) {
+			i=0;
+			while (i < count && c[i].fowler <= start)
+				i+=step;
+			while (i < count && c[i].fowler < end) {
+				res[*pos].x=pnt->x+((c[i].x*diameter+128)>>8);
+				res[*pos].y=pnt->y+((c[i].y*diameter+128)>>8);
+				(*pos)+=dir;
+				i+=step;
+			}
+			end-=1024;
+			start-=1024;
+		}
+	} else {
+		while (start > 1024) {
+			start-=1024;
+			end-=1024;
+		}
+		while (end < 1024) {
+			i=count-1;
+			while (i >= 0 && c[i].fowler >= start)
+				i-=step;
+			while (i >= 0 && c[i].fowler > end) {
+				res[*pos].x=pnt->x+((c[i].x*diameter+128)>>8);
+				res[*pos].y=pnt->y+((c[i].y*diameter+128)>>8);
+				(*pos)+=dir;
+				i-=step;
+			}
+			start+=1024;
+			end+=1024;
+		}
+	}
+}
+
+
+static int
+fowler(int dy, int dx)
+{
+	int adx, ady;		/* Absolute Values of Dx and Dy */
+	int code;		/* Angular Region Classification Code */
+
+	adx = (dx < 0) ? -dx : dx;      /* Compute the absolute values. */
+	ady = (dy < 0) ? -dy : dy;
+
+	code = (adx < ady) ? 1 : 0;
+	if (dx < 0)
+		code += 2;
+	if (dy < 0)
+		code += 4;
+
+	switch (code) {
+	case 0:
+		return (dx == 0) ? 0 : 128*ady / adx;   /* [  0, 45] */
+	case 1:
+		return (256 - (128*adx / ady)); /* ( 45, 90] */
+	case 3:
+		return (256 + (128*adx / ady)); /* ( 90,135) */
+	case 2:
+		return (512 - (128*ady / adx)); /* [135,180] */
+	case 6:
+		return (512 + (128*ady / adx)); /* (180,225] */
+	case 7:
+		return (768 - (128*adx / ady)); /* (225,270) */
+	case 5:
+		return (768 + (128*adx / ady)); /* [270,315) */
+	case 4:
+		return (1024 - (128*ady / adx));/* [315,360) */
+	}
+	return 0;
+}
+static int
+int_sqrt(unsigned int n)
+{
+	unsigned int h, p= 0, q= 1, r= n;
+	while ( q <= n )
+		q <<= 2;
+	while ( q != 1 ) {
+		q >>= 2;
+		h = p + q;
+		p >>= 1;
+		if ( r >= h ) {
+			p += q;
+			r -= h;
+        	}
+	}
+	return p;
+}
+
+struct offset {
+	int px,py,nx,ny;
+};
+
+static void
+calc_offsets(int wi, int l, int dx, int dy, struct offset *res)
+{
+	int x,y;
+	
+	x = (dx * wi) / l;
+	y = (dy * wi) / l;
+	if (x < 0) {
+		res->nx = -x/2;
+		res->px = (x-1)/2;
+	} else {
+		res->nx = -(x+1)/2;
+		res->px = x/2;
+	}
+	if (y < 0) {
+		res->ny = -y/2;
+		res->py = (y-1)/2;
+	} else {
+		res->ny = -(y+1)/2;
+		res->py = y/2;
+	}
+}
+
+static void
+graphics_draw_polyline_as_polygon(struct graphics *gra, struct graphics_gc *gc, struct point *pnt, int count, int *width, int step)
+{
+	int maxpoints=200;
+	struct point res[maxpoints], pos, poso, neg, nego;
+	int i, dx=0, dy=0, l=0, dxo=0, dyo=0;
+	struct offset o,oo;
+	int fow=0, fowo=0, delta;
+	int wi, ppos = maxpoints/2, npos = maxpoints/2;
+	int state,prec=5;
+	int max_circle_points=20;
+	int lscale=16;
+	i=0;
+	for (;;) {
+		wi=*width;
+		width+=step;
+		if (i < count - 1) {
+			dx = (pnt[i + 1].x - pnt[i].x);
+			dy = (pnt[i + 1].y - pnt[i].y);
+			l = int_sqrt(dx * dx * lscale * lscale + dy * dy * lscale * lscale);
+			fow=fowler(-dy, dx);
+		}
+		if (! l) 
+			l=1;
+		dbg_assert(wi*lscale < 10000);
+		calc_offsets(wi*lscale, l, dx, dy, &o);
+		pos.x = pnt[i].x + o.ny;
+		pos.y = pnt[i].y + o.px;
+		neg.x = pnt[i].x + o.py;
+		neg.y = pnt[i].y + o.nx;
+		if (! i)
+			state=0;
+		else if (i == count-1) 
+			state=2;
+		else if (npos < max_circle_points || ppos >= maxpoints-max_circle_points)
+			state=3;
+		else
+			state=1;
+		switch (state) {
+		case 1:
+		       if (fowo != fow) {
+				poso.x = pnt[i].x + oo.ny;
+				poso.y = pnt[i].y + oo.px;
+				nego.x = pnt[i].x + oo.py;
+				nego.y = pnt[i].y + oo.nx;
+				delta=fowo-fow;
+				if (delta < 0)
+					delta+=1024;
+				if (delta < 512) {
+					if (intersection(&pos, dx, dy, &poso, dxo, dyo, &res[ppos]))
+						ppos++;
+					res[--npos] = nego;
+					--npos;
+					draw_circle(&pnt[i], wi, prec, fowo-512, -delta, res, &npos, -1);
+					res[npos] = neg;
+				} else {
+					res[ppos++] = poso;
+					draw_circle(&pnt[i], wi, prec, fowo, 1024-delta, res, &ppos, 1);
+					res[ppos++] = pos;
+					if (intersection(&neg, dx, dy, &nego, dxo, dyo, &res[npos - 1]))
+						npos--;
+				}
+			}
+			break;
+		case 2:
+		case 3:
+			res[--npos] = neg;
+			--npos;
+			draw_circle(&pnt[i], wi, prec, fow-512, -512, res, &npos, -1);
+			res[npos] = pos;
+			res[ppos++] = pos;
+			dbg_assert(npos > 0);
+			dbg_assert(ppos < maxpoints);
+			gra->meth.draw_polygon(gra->priv, gc->priv, res+npos, ppos-npos);
+			if (state == 2)
+				break;
+			npos=maxpoints/2;
+			ppos=maxpoints/2;
+		case 0:
+			res[ppos++] = neg;
+			draw_circle(&pnt[i], wi, prec, fow+512, 512, res, &ppos, 1);
+			res[ppos++] = pos;
+			break;
+		}
+		i++;
+		if (i >= count)
+			break;
+		if (step) {
+			wi=*width;
+			calc_offsets(wi*lscale, l, dx, dy, &oo);
+		} else 
+			oo=o;
+		dxo = -dx;
+		dyo = -dy;
+		fowo=fow;
+	}
+}
+
+
+struct wpoint {
+	int x,y,w;
+};
+
+static int
+clipcode(struct wpoint *p, struct point_rect *r)
+{
+	int code=0;
+	if (p->x < r->lu.x)
+		code=1;
+	if (p->x > r->rl.x)
+		code=2;
+	if (p->y < r->lu.y)
+		code |=4;
+	if (p->y > r->rl.y)
+		code |=8;
+	return code;
+}
+
+
+static int
+clip_line(struct wpoint *p1, struct wpoint *p2, struct point_rect *r)
+{
+	int code1,code2,ret=1;
+	int dx,dy,dw;
+	code1=clipcode(p1, r);
+	if (code1)
+		ret |= 2;
+	code2=clipcode(p2, r);
+	if (code2)
+		ret |= 4;
+	dx=p2->x-p1->x;
+	dy=p2->y-p1->y;
+	dw=p2->w-p1->w;
+	while (code1 || code2) {
+		if (code1 & code2)
+			return 0;
+		if (code1 & 1) {
+			p1->y+=(r->lu.x-p1->x)*dy/dx;
+			p1->w+=(r->lu.x-p1->x)*dw/dx;
+			p1->x=r->lu.x;
+		} else if (code1 & 2) {
+			p1->y+=(r->rl.x-p1->x)*dy/dx;
+			p1->w+=(r->rl.x-p1->x)*dw/dx;
+			p1->x=r->rl.x;
+		} else if (code1 & 4) {
+			p1->x+=(r->lu.y-p1->y)*dx/dy;
+			p1->w+=(r->lu.y-p1->y)*dw/dy;
+			p1->y=r->lu.y;
+		} else if (code1 & 8) {
+			p1->x+=(r->rl.y-p1->y)*dx/dy;
+			p1->w+=(r->rl.y-p1->y)*dw/dy;
+			p1->y=r->rl.y;
+		}
+		code1=clipcode(p1, r);
+		if (code1 & code2)
+			return 0;
+		if (code2 & 1) {
+			p2->y+=(r->lu.x-p2->x)*dy/dx;
+			p2->w+=(r->lu.x-p2->x)*dw/dx;
+			p2->x=r->lu.x;
+		} else if (code2 & 2) {
+			p2->y+=(r->rl.x-p2->x)*dy/dx;
+			p2->w+=(r->rl.x-p2->x)*dw/dx;
+			p2->x=r->rl.x;
+		} else if (code2 & 4) {
+			p2->x+=(r->lu.y-p2->y)*dx/dy;
+			p2->w+=(r->lu.y-p2->y)*dw/dy;
+			p2->y=r->lu.y;
+		} else if (code2 & 8) {
+			p2->x+=(r->rl.y-p2->y)*dx/dy;
+			p2->w+=(r->rl.y-p2->y)*dw/dy;
+			p2->y=r->rl.y;
+		}
+		code2=clipcode(p2, r);
+	}
+	return ret;
+}
+
+static void
+graphics_draw_polyline_clipped(struct graphics *gra, struct graphics_gc *gc, struct point *pa, int count, int *width, int step, int poly)
+{
+	struct point p[count+1];
+	int w[count*step+1];
+	struct wpoint p1,p2;
+	int i,code,out=0;
+	int wmax;
+	struct point_rect r=gra->r;
+
+	wmax=width[0];
+	if (step) {
+		for (i = 1 ; i < count ; i++) {
+			if (width[i*step] > wmax)
+				wmax=width[i*step];
+		}
+	}
+	if (wmax <= 0)
+		return;
+	r.lu.x-=wmax;
+	r.lu.y-=wmax;
+	r.rl.x+=wmax;
+	r.rl.y+=wmax;
+	for (i = 0 ; i < count ; i++) {
+		if (i) {
+			p1.x=pa[i-1].x;
+			p1.y=pa[i-1].y;
+			p1.w=width[(i-1)*step];
+			p2.x=pa[i].x;
+			p2.y=pa[i].y;
+			p2.w=width[i*step];
+			/* 0 = invisible, 1 = completely visible, 3 = start point clipped, 5 = end point clipped, 7 both points clipped */
+			code=clip_line(&p1, &p2, &r);
+			if (((code == 1 || code == 5) && i == 1) || (code & 2)) {
+				p[out].x=p1.x;
+				p[out].y=p1.y;
+				w[out*step]=p1.w;
+				out++;
+			}
+			if (code) {
+				p[out].x=p2.x;
+				p[out].y=p2.y;
+				w[out*step]=p2.w;
+				out++;
+			}
+			if (i == count-1 || (code & 4)) {
+				if (out > 1) {
+					if (poly) {	
+						graphics_draw_polyline_as_polygon(gra, gc, p, out, w, step);
+					} else
+						gra->meth.draw_lines(gra->priv, gc->priv, p, out);
+					out=0;
+				}
+			}
+		}
+	}
+}
+
+static int
+is_inside(struct point *p, struct point_rect *r, int edge)
+{
+	switch(edge) {
+	case 0:
+		return p->x >= r->lu.x;
+	case 1:
+		return p->x <= r->rl.x;
+	case 2:
+		return p->y >= r->lu.y;
+	case 3:
+		return p->y <= r->rl.y;
+	default:
+		return 0;
+	}
+}
+
+static void
+poly_intersection(struct point *p1, struct point *p2, struct point_rect *r, int edge, struct point *ret)
+{
+	int dx=p2->x-p1->x;
+	int dy=p2->y-p1->y;
+	switch(edge) {
+	case 0:
+		ret->y=p1->y+(r->lu.x-p1->x)*dy/dx;
+		ret->x=r->lu.x;
+		break;
+	case 1:
+		ret->y=p1->y+(r->rl.x-p1->x)*dy/dx;
+		ret->x=r->rl.x;
+		break;
+	case 2:
+		ret->x=p1->x+(r->lu.y-p1->y)*dx/dy;
+		ret->y=r->lu.y;
+		break;
+	case 3:
+		ret->x=p1->x+(r->rl.y-p1->y)*dx/dy;
+		ret->y=r->rl.y;
+		break;
+	}
+}
+
+static void
+graphics_draw_polygon_clipped(struct graphics *gra, struct graphics_gc *gc, struct point *pin, int count_in)
+{
+	struct point_rect r=gra->r;
+	struct point *pout,*p,*s,pi;
+	struct point p1[count_in*8+1];
+	struct point p2[count_in*8+1];
+	int count_out,edge=3;
+	int i;
+#if 0
+	r.lu.x+=20;
+	r.lu.y+=20;
+	r.rl.x-=20;
+	r.rl.y-=20;
+#endif
+
+	pout=p1;
+	for (edge = 0 ; edge < 4 ; edge++) {
+		p=pin;
+		s=pin+count_in-1;
+		count_out=0;
+		for (i = 0 ; i < count_in ; i++) {
+			if (is_inside(p, &r, edge)) {
+				if (! is_inside(s, &r, edge)) {
+					poly_intersection(s,p,&r,edge,&pi);
+					pout[count_out++]=pi;
+				}
+				pout[count_out++]=*p;
+			} else {
+				if (is_inside(s, &r, edge)) {
+					poly_intersection(p,s,&r,edge,&pi);
+					pout[count_out++]=pi;
+				}
+			}
+			s=p;
+			p++;
+		}
+		count_in=count_out;
+		if (pin == p1) {
+			pin=p2;
+			pout=p1;
+		} else {
+			pin=p1;
+			pout=p2;
+		}
+	}
+	gra->meth.draw_polygon(gra->priv, gc->priv, pin, count_in);
+}
+
+
+static void
+display_context_free(struct display_context *dc)
+{
+	if (dc->gc)
+		graphics_gc_destroy(dc->gc);
+	if (dc->img)
+		graphics_image_free(dc->gra, dc->img);
+	dc->gc=NULL;
+	dc->img=NULL;
+}
+
+static struct graphics_font *
+get_font(struct graphics *gra, int size)
+{
+	if (size > 64)
+		size=64;
+	if (size >= gra->font_len) {
+		gra->font=g_renew(struct graphics_font *, gra->font, size+1);
+		while (gra->font_len <= size) 
+			gra->font[gra->font_len++]=NULL;
+	}
+	if (! gra->font[size])
+		gra->font[size]=graphics_font_new(gra, size*20, 0);
+	return gra->font[size];
+}
+
+
+static void
+displayitem_draw(struct displayitem *di, void *dummy, struct display_context *dc)
+{
+	int width[16384];
+	int i,count;
+	struct point pa[16384];
+	struct graphics *gra=dc->gra;
+	struct graphics_gc *gc=dc->gc;
+	struct element *e=dc->e;
+	struct graphics_image *img=dc->img;
+	struct point p;
+	char path[PATH_MAX];
+
+	di->displayed=1;
+	if (! gc) {
+		gc=graphics_gc_new(gra);
+		gc->meth.gc_set_foreground(gc->priv, &e->color);
+		dc->gc=gc;
+	}
+	if (dc->e->type == element_polyline) {
+		count=transform(dc->trans, dc->pro, di->c, pa, di->count, 1, e->u.polyline.width, width);
+	}
+	else
+		count=transform(dc->trans, dc->pro, di->c, pa, di->count, 1, 0, NULL);
+	switch (e->type) {
+	case element_polygon:
+#if 0
+		{
+			int i;
+			for (i = 0 ; i < count ; i++) {
+				dbg(0,"pa[%d]=%d,%d\n", i, pa[i].x, pa[i].y);
+			}
+		}
+		dbg(0,"element_polygon count=%d\n",count);
+#endif
+#if 1
+		graphics_draw_polygon_clipped(gra, gc, pa, count);
+#endif
+		break;
+	case element_polyline:
+#if 0
+		if (e->u.polyline.width > 1) {
+			graphics_draw_polyline_as_polygon(gra, gc, pa, count, width, 0);
+		} else {
+#else
+		{
+#if 0
+			 if (e->u.polyline.width > 1)
+				     gc->meth.gc_set_linewidth(gc->priv, e->u.polyline.width);
+#else
+			gc->meth.gc_set_linewidth(gc->priv, 1);
+#endif
+
+			
+#endif
+			if (e->u.polyline.width > 0 && e->u.polyline.dash_num > 0)
+				graphics_gc_set_dashes(gc, e->u.polyline.width, 
+						       e->u.polyline.offset,
+						       e->u.polyline.dash_table,
+						       e->u.polyline.dash_num);
+#if 0
+			if (di->label && !strcmp(di->label, "Bahnhofstr.") && di->item.type != type_street_1_city) {
+				dbg(0,"0x%x,0x%x %s\n", di->item.id_hi, di->item.id_lo, item_to_name(di->item.type));
+#endif
+			for (i = 0 ; i < count ; i++) {
+				if (width[i] < 2)
+					width[i]=2;
+			}
+			graphics_draw_polyline_clipped(gra, gc, pa, count, width, 1, e->u.polyline.width > 1);
+#if 0
+			}
+#endif
+		}
+		break;
+	case element_circle:
+		if (count) {
+			if (e->u.circle.width > 1) 
+				gc->meth.gc_set_linewidth(gc->priv, e->u.polyline.width);
+			gra->meth.draw_circle(gra->priv, gc->priv, pa, e->u.circle.radius);
+			if (di->label && e->text_size) {
+				struct graphics_font *font=get_font(gra, e->text_size);
+				p.x=pa[0].x+3;
+				p.y=pa[0].y+10;
+				if (font)
+					gra->meth.draw_text(gra->priv, gra->gc[2]->priv, gra->gc[1]->priv, font->priv, di->label, &p, 0x10000, 0);
+				else
+					dbg(0,"Failed to get font with size %d\n",e->text_size);
+			}
+		}
+		break;
+	case element_text:
+		if (count && di->label) {
+			struct graphics_font *font=get_font(gra, e->text_size);
+			if (font)
+				label_line(gra, gra->gc[2], gra->gc[1], font, pa, count, di->label);
+			else
+				dbg(0,"Failed to get font with size %d\n",e->text_size);
+		}
+		break;
+	case element_icon:
+		if (count) {
+			if (!img) {
+				if (e->u.icon.src[0] == '/')
+					strcpy(path,e->u.icon.src);
+				else
+					sprintf(path,"%s/xpm/%s", navit_sharedir, e->u.icon.src);
+				img=graphics_image_new_scaled_rotated(gra, path, e->u.icon.width, e->u.icon.height, e->u.icon.rotation);
+				if (img)
+					dc->img=img;
+				else
+					dbg(0,"failed to load icon '%s'\n", e->u.icon.src);
+			}
+			if (img) {
+				p.x=pa[0].x - img->hot.x;
+				p.y=pa[0].y - img->hot.y;
+				gra->meth.draw_image(gra->priv, gra->gc[0]->priv, &p, img->priv);
+			}
+		}
+		break;
+	case element_image:
+		dbg(1,"image: '%s'\n", di->label);
+		if (gra->meth.draw_image_warp)
+			gra->meth.draw_image_warp(gra->priv, gra->gc[0]->priv, pa, count, di->label);
+		else
+			dbg(0,"draw_image_warp not supported by graphics driver drawing '%s'\n", di->label);
+		break;
+	case element_arrows:
+		display_draw_arrows(gra,gc,pa,count);
+		break;
+	default:
+		printf("Unhandled element type %d\n", e->type);
+	
+	}
+}
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static void xdisplay_draw_elements(struct graphics *gra, struct displaylist *display_list, struct itemgra *itm)
+{
+	struct element *e;
+	GList *es,*types;
+	GHashTable *h;
+	enum item_type type;
+
+	es=itm->elements;
+	while (es) {
+		e=es->data;
+		display_list->dc.e=e;
+		types=itm->type;
+		while (types) {
+			type=GPOINTER_TO_INT(types->data);
+			h=g_hash_table_lookup(display_list->dl, GINT_TO_POINTER(type));
+			if (h) {
+				g_hash_table_foreach(h, (GHFunc)displayitem_draw, &display_list->dc);
+				display_context_free(&display_list->dc);
+			}
+			types=g_list_next(types);
+		}
+		es=g_list_next(es);
+	}
+}
+
+void
+graphics_draw_itemgra(struct graphics *gra, struct itemgra *itm, struct transformation *t)
+{
+	GList *es;
+	struct point p;
+	struct coord c;
+#if 0
+	char *label=NULL;
+#endif
+	struct graphics_gc *gc = NULL;
+	struct graphics_image *img;
+	char path[PATH_MAX];
+	es=itm->elements;
+	c.x=0;
+	c.y=0;
+	while (es) {
+		struct element *e=es->data;
+		int count=e->coord_count;
+		struct point pnt[count+1];
+		if (count)
+			transform(t, projection_screen, e->coord, pnt, count, 0, 0, NULL);
+		else {
+			transform(t, projection_screen, &c, pnt, 1, 0, 0, NULL);
+			count=1;
+		}
+		gc=graphics_gc_new(gra);
+		gc->meth.gc_set_foreground(gc->priv, &e->color);
+		switch (e->type) {
+		case element_polyline:
+			if (e->u.polyline.width > 1) 
+				gc->meth.gc_set_linewidth(gc->priv, e->u.polyline.width);
+			if (e->u.polyline.width > 0 && e->u.polyline.dash_num > 0)
+				graphics_gc_set_dashes(gc, e->u.polyline.width, 
+						       e->u.polyline.offset,
+				                       e->u.polyline.dash_table,
+				                       e->u.polyline.dash_num);
+			gra->meth.draw_lines(gra->priv, gc->priv, pnt, count);
+			break;
+		case element_polygon:
+			gra->meth.draw_polygon(gra->priv, gc->priv, pnt, count);
+			break;
+		case element_circle:
+			if (e->u.circle.width > 1) 
+				gc->meth.gc_set_linewidth(gc->priv, e->u.polyline.width);
+			gra->meth.draw_circle(gra->priv, gc->priv, &pnt[0], e->u.circle.radius);
+			#if 0
+			// Leftover code,  displayitem_draw is intended to be merged with with graphics_draw_itemgra
+			if (label && e->text_size) {
+				struct graphics_font *font=get_font(gra, e->text_size);
+				p.x=pnt[0].x+3;
+				p.y=pnt[0].y+10;
+				if (font) 
+					gra->meth.draw_text(gra->priv, gra->gc[2]->priv, gra->gc[1]->priv, font->priv, label, &p, 0x10000, 0);
+				else
+					dbg(0,"Failed to get font with size %d\n",e->text_size);
+			}
+			# endif
+			break;
+		case element_icon:
+			if (e->u.icon.src[0] == '/') 
+				strcpy(path,e->u.icon.src);
+			else
+				sprintf(path,"%s/xpm/%s", navit_sharedir, e->u.icon.src);
+			img=graphics_image_new_scaled_rotated(gra, path, e->u.icon.width, e->u.icon.height, e->u.icon.rotation);
+			if (! img)
+				dbg(0,"failed to load icon '%s'\n", e->u.icon.src);
+			else {
+				p.x=pnt[0].x - img->hot.x;
+				p.y=pnt[0].y - img->hot.y;
+				gra->meth.draw_image(gra->priv, gc->priv, &p, img->priv);
+				graphics_image_free(gra, img);
+			}
+			break;
+		default:
+			dbg(0,"dont know how to draw %d\n", e->type);
+		}
+		graphics_gc_destroy(gc);
+		es=g_list_next(es);
+	}
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static void xdisplay_draw_layer(struct displaylist *display_list, struct graphics *gra, struct layer *lay, int order)
+{
+	GList *itms;
+	struct itemgra *itm;
+
+	itms=lay->itemgras;
+	while (itms) {
+		itm=itms->data;
+		if (order >= itm->order.min && order <= itm->order.max) 
+			xdisplay_draw_elements(gra, display_list, itm);
+		itms=g_list_next(itms);
+	}
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static void xdisplay_draw(struct displaylist *display_list, struct graphics *gra, struct layout *l, int order)
+{
+	GList *lays;
+	struct layer *lay;
+	
+	lays=l->layers;
+	while (lays) {
+		lay=lays->data;
+		xdisplay_draw_layer(display_list, gra, lay, order);
+		lays=g_list_next(lays);
+	}
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+extern void *route_selection;
+
+static void
+do_draw(struct displaylist *displaylist, int cancel)
+{
+	struct item *item;
+	int count,max=16384,workload=0;
+	struct coord ca[max];
+	struct attr attr;
+
+	while (!cancel) {
+		if (!displaylist->msh) 
+			displaylist->msh=mapset_open(displaylist->ms);
+		if (!displaylist->m) {
+			displaylist->m=mapset_next(displaylist->msh, 1);
+			if (!displaylist->m) {
+				mapset_close(displaylist->msh);
+				displaylist->msh=NULL;
+				break;
+			}
+			displaylist->dc.pro=map_projection(displaylist->m);
+			displaylist->conv=map_requires_conversion(displaylist->m);
+			displaylist->sel=transform_get_selection(displaylist->dc.trans, displaylist->dc.pro, displaylist->order);
+			displaylist->mr=map_rect_new(displaylist->m, displaylist->sel);
+		}
+		if (displaylist->mr) {
+			while ((item=map_rect_get_item(displaylist->mr))) {
+				count=item_coord_get_within_selection(item, ca, item->type < type_line ? 1: max, displaylist->sel);
+				if (! count)
+					continue;
+				if (count == max) 
+					dbg(0,"point count overflow %d\n", count);
+				if (!item_attr_get(item, attr_label, &attr))
+					attr.u.str=NULL;
+				if (displaylist->conv && attr.u.str && attr.u.str[0]) {
+					char *str=map_convert_string(displaylist->m, attr.u.str);
+					display_add(displaylist, item, count, ca, str);
+					map_convert_free(str);
+				} else
+					display_add(displaylist, item, count, ca, attr.u.str);
+				workload++;
+				if (workload == displaylist->workload)
+					return;
+			}
+			map_rect_destroy(displaylist->mr);
+		}
+		map_selection_destroy(displaylist->sel);
+		displaylist->mr=NULL;
+		displaylist->sel=NULL;
+		displaylist->m=NULL;
+	}
+	event_remove_idle(displaylist->idle_ev);
+	displaylist->idle_ev=NULL;
+	displaylist->busy=0;
+	graphics_process_selection(displaylist->dc.gra, displaylist);
+	if (! cancel) 
+		graphics_displaylist_draw(displaylist->dc.gra, displaylist, displaylist->dc.trans, displaylist->layout, 1);
+	map_rect_destroy(displaylist->mr);
+	map_selection_destroy(displaylist->sel);
+	mapset_close(displaylist->msh);
+	displaylist->mr=NULL;
+	displaylist->sel=NULL;
+	displaylist->m=NULL;
+	displaylist->msh=NULL;
+	callback_call_1(displaylist->cb, cancel);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_displaylist_draw(struct graphics *gra, struct displaylist *displaylist, struct transformation *trans, struct layout *l, int callback)
+{
+	int order=transform_get_order(trans);
+	displaylist->dc.trans=trans;
+	displaylist->dc.gra=gra;
+	// FIXME find a better place to set the background color
+	if (l) {
+		graphics_gc_set_background(gra->gc[0], &l->color);
+		graphics_gc_set_foreground(gra->gc[0], &l->color);
+		gra->default_font = g_strdup(l->font);
+	}
+	graphics_background_gc(gra, gra->gc[0]);
+	gra->meth.draw_mode(gra->priv, draw_mode_begin);
+	gra->meth.draw_rectangle(gra->priv, gra->gc[0]->priv, &gra->r.lu, gra->r.rl.x-gra->r.lu.x, gra->r.rl.y-gra->r.lu.y);
+	if (l) 
+		xdisplay_draw(displaylist, gra, l, order+l->order_delta);
+	if (callback)
+		callback_list_call_attr_0(gra->cbl, attr_postdraw);
+	gra->meth.draw_mode(gra->priv, draw_mode_end);
+}
+
+static void graphics_load_mapset(struct graphics *gra, struct displaylist *displaylist, struct mapset *mapset, struct transformation *trans, struct layout *l, int async, struct callback *cb)
+{
+	int order=transform_get_order(trans);
+
+	dbg(1,"enter");
+	if (displaylist->busy) {
+		if (async == 1)
+			return;
+		do_draw(displaylist, 1);
+	}
+	xdisplay_free(displaylist->dl);
+	dbg(1,"order=%d\n", order);
+
+	displaylist->dc.gra=gra;
+	displaylist->ms=mapset;
+	displaylist->dc.trans=trans;
+	displaylist->workload=async ? 100 : 0;
+	displaylist->cb=cb;
+	if (l)
+		order+=l->order_delta;
+	displaylist->order=order;
+	displaylist->busy=1;
+	displaylist->layout=l;
+	if (async) {
+		if (! displaylist->idle_cb)
+			displaylist->idle_cb=callback_new_2(callback_cast(do_draw), displaylist, 0);
+		displaylist->idle_ev=event_add_idle(50, displaylist->idle_cb);
+	}
+}
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_draw(struct graphics *gra, struct displaylist *displaylist, struct mapset *mapset, struct transformation *trans, struct layout *l, int async, struct callback *cb)
+{
+	graphics_load_mapset(gra, displaylist, mapset, trans, l, async, cb);
+	if (! async)
+		do_draw(displaylist, 0);
+}
+
+int
+graphics_draw_cancel(struct graphics *gra, struct displaylist *displaylist)
+{
+	if (!displaylist->busy)
+		return 0;
+	do_draw(displaylist, 1);
+	return 1;
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct displaylist_handle {
+	GList *hl_head,*hl,*l_head,*l;
+};
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct displaylist_handle * graphics_displaylist_open(struct displaylist *displaylist)
+{
+	struct displaylist_handle *ret;
+
+	ret=g_new0(struct displaylist_handle, 1);
+	ret->hl_head=ret->hl=g_hash_to_list(displaylist->dl);
+	ret->l_head=ret->l=g_hash_to_list_keys(ret->hl->data);
+
+	return ret;
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct displayitem * graphics_displaylist_next(struct displaylist_handle *dlh)
+{
+	struct displayitem *ret;
+	if (! dlh->l) {
+		dlh->hl=g_list_next(dlh->hl);
+		if (!dlh->hl)
+			return NULL;
+		g_list_free(dlh->l_head);
+		dlh->l_head=dlh->l=g_hash_to_list_keys(dlh->hl->data);
+	}
+	ret=dlh->l->data;
+	dlh->l=g_list_next(dlh->l);
+	return ret;
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+void graphics_displaylist_close(struct displaylist_handle *dlh)
+{
+	g_list_free(dlh->hl_head);
+	g_list_free(dlh->l_head);
+	g_free(dlh);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct displaylist * graphics_displaylist_new(void)
+{
+	struct displaylist *ret=g_new0(struct displaylist, 1);
+
+	ret->dl=g_hash_table_new(NULL,NULL);
+
+	return ret;
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+struct item * graphics_displayitem_get_item(struct displayitem *di)
+{
+	return &di->item;	
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+char * graphics_displayitem_get_label(struct displayitem *di)
+{
+	return di->label;
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static int within_dist_point(struct point *p0, struct point *p1, int dist)
+{
+	if (p0->x == 32767 || p0->y == 32767 || p1->x == 32767 || p1->y == 32767)
+		return 0;
+	if (p0->x == -32768 || p0->y == -32768 || p1->x == -32768 || p1->y == -32768)
+		return 0;
+        if ((p0->x-p1->x)*(p0->x-p1->x) + (p0->y-p1->y)*(p0->y-p1->y) <= dist*dist) {
+                return 1;
+        }
+        return 0;
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static int within_dist_line(struct point *p, struct point *line_p0, struct point *line_p1, int dist)
+{
+	int vx,vy,wx,wy;
+	int c1,c2;
+	struct point line_p;
+
+	if (line_p0->x < line_p1->x) {
+		if (p->x < line_p0->x - dist)
+			return 0;
+		if (p->x > line_p1->x + dist)
+			return 0;
+	} else {
+		if (p->x < line_p1->x - dist)
+			return 0;
+		if (p->x > line_p0->x + dist)
+			return 0;
+	}
+	if (line_p0->y < line_p1->y) {
+		if (p->y < line_p0->y - dist)
+			return 0;
+		if (p->y > line_p1->y + dist)
+			return 0;
+	} else {
+		if (p->y < line_p1->y - dist)
+			return 0;
+		if (p->y > line_p0->y + dist)
+			return 0;
+	}
+		
+	vx=line_p1->x-line_p0->x;
+	vy=line_p1->y-line_p0->y;
+	wx=p->x-line_p0->x;
+	wy=p->y-line_p0->y;
+
+	c1=vx*wx+vy*wy;
+	if ( c1 <= 0 )
+		return within_dist_point(p, line_p0, dist);
+	c2=vx*vx+vy*vy;
+	if ( c2 <= c1 )
+		return within_dist_point(p, line_p1, dist);
+
+	line_p.x=line_p0->x+vx*c1/c2;
+	line_p.y=line_p0->y+vy*c1/c2;
+	return within_dist_point(p, &line_p, dist);
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static int within_dist_polyline(struct point *p, struct point *line_pnt, int count, int dist, int close)
+{
+	int i;
+	for (i = 0 ; i < count-1 ; i++) {
+		if (within_dist_line(p,line_pnt+i,line_pnt+i+1,dist)) {
+			return 1;
+		}
+	}
+	if (close)
+		return (within_dist_line(p,line_pnt,line_pnt+count-1,dist));
+	return 0;
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+static int within_dist_polygon(struct point *p, struct point *poly_pnt, int count, int dist)
+{
+	int i, j, c = 0;
+        for (i = 0, j = count-1; i < count; j = i++) {
+		if ((((poly_pnt[i].y <= p->y) && ( p->y < poly_pnt[j].y )) ||
+		((poly_pnt[j].y <= p->y) && ( p->y < poly_pnt[i].y))) &&
+		(p->x < (poly_pnt[j].x - poly_pnt[i].x) * (p->y - poly_pnt[i].y) / (poly_pnt[j].y - poly_pnt[i].y) + poly_pnt[i].x)) 
+                        c = !c;
+        }
+	if (! c)
+		return within_dist_polyline(p, poly_pnt, count, dist, 1);
+        return c;
+}
+
+/**
+ * FIXME
+ * @param <>
+ * @returns <>
+ * @author Martin Schaller (04/2008)
+*/
+int graphics_displayitem_within_dist(struct displaylist *displaylist, struct displayitem *di, struct point *p, int dist)
+{
+	struct point pa[16384];
+	int count;
+
+	count=transform(displaylist->dc.trans, displaylist->dc.pro, di->c, pa, di->count, 1, 0, NULL);
+	
+	if (di->item.type < type_line) {
+		return within_dist_point(p, &pa[0], dist);
+	}
+	if (di->item.type < type_area) {
+		return within_dist_polyline(p, pa, count, dist, 0);
+	}
+	return within_dist_polygon(p, pa, count, dist);
+}
+
+
+static enum item_type
+graphics_selection_type(enum item_type type)
+{
+	if (type < type_line) 
+		return type_selected_point;
+	if (type < type_area) 
+		return type_selected_line;
+	return type_selected_area;
+	
+}
+
+
+static void
+graphics_process_selection_item(struct displaylist *dl, struct item *item)
+{
+	struct displayitem di,*di_res;
+	GHashTable *h;
+
+	di.item=*item;
+	di.label=NULL;
+	di.displayed=0;
+	di.count=0;
+	h=g_hash_table_lookup(dl->dl, GINT_TO_POINTER(di.item.type));
+	if (h) {
+		di_res=g_hash_table_lookup(h, &di);
+		if (di_res) {
+			di.item.type=graphics_selection_type(di.item.type);
+			display_add(dl, &di.item, di_res->count, di_res->c, NULL);
+		}
+	}
+}
+
+void
+graphics_add_selection(struct graphics *gra, struct item *item, struct displaylist *dl)
+{
+	struct item *item_dup=g_new(struct item, 1);
+	*item_dup=*item;
+	gra->selection=g_list_append(gra->selection, item_dup);
+	if (dl)
+		graphics_process_selection_item(dl, item_dup);
+}
+
+void
+graphics_remove_selection(struct graphics *gra, struct item *item, struct displaylist *dl)
+{
+	GList *curr;
+	int found;
+
+	for (;;) {
+		curr=gra->selection;
+		found=0;
+		while (curr) {
+			struct item *sitem=curr->data;
+			if (item_is_equal(*item,*sitem)) {
+				if (dl) {
+					struct displayitem di;
+					GHashTable *h;
+					di.item=*sitem;
+					di.label=NULL;
+					di.displayed=0;
+					di.count=0;
+					di.item.type=graphics_selection_type(di.item.type);
+					h=g_hash_table_lookup(dl->dl, GINT_TO_POINTER(di.item.type));
+					if (h)
+						g_hash_table_remove(h, &di);
+				}
+				g_free(sitem);
+				gra->selection=g_list_remove(gra->selection, curr->data);
+				found=1;
+				break;
+			}
+		}
+		if (!found)
+			return;
+	}
+}
+
+void
+graphics_clear_selection(struct graphics *gra, struct displaylist *dl)
+{
+	while (gra->selection) 
+		graphics_remove_selection(gra, (struct item *)gra->selection->data, dl);
+}
+
+static void
+graphics_process_selection(struct graphics *gra, struct displaylist *dl)
+{
+	GList *curr;
+
+	curr=gra->selection;
+	while (curr) {
+		struct item *item=curr->data;
+		graphics_process_selection_item(dl, item);
+		curr=g_list_next(curr);
+	}
+}