1 files changed, 18 insertions, 22 deletions

diff --git a/draw.cpp b/draw.cpp
index b6aad02..65cf13a 100644
--- a/draw.cpp
+++ b/draw.cpp
@@ -68,31 +68,27 @@ static void drawGrid(cairo_t *cr, const RECTANGLE *rect) {
   }
 }
 
-static void polygon2path(cairo_t *cr, const POLYGON *polygon, const RECTANGLE *rect, gboolean close) {
-  int i;
-  POLYGON polygon2 = {0, NULL};
+static void polygon2path(cairo_t *cr, const Polygon *polygon, const RECTANGLE *rect, gboolean close) {
+  Polygon polygon2;
   
   // no vertices
-  if(polygon->nVertices == 0) return;
+  if(polygon->empty()) return;
   
   if(rect)
     simplifyPolygon(polygon, rect, &polygon2);
   else
     polygon2 = *polygon;
   
-  if(polygon2.nVertices == 0) return;
+  if(polygon2.empty()) return;
   
   cairo_new_sub_path(cr);
   
-  for(i = 0; i < polygon2.nVertices; i++) {
-    cairo_line_to(cr, polygon2.vertices[i].getX(), polygon2.vertices[i].getY());
+  for(Polygon::iterator it = polygon2.begin(); it != polygon2.end(); it++) {
+    cairo_line_to(cr, it->getX(), it->getY());
   }
   
   if(close)
     cairo_close_path(cr);
-  
-  if(rect && polygon2.vertices)
-    free(polygon2.vertices);
 }
 
 gboolean drawTopView(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
@@ -201,7 +197,7 @@ gboolean drawTopView(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
     cairo_fill_preserve(cr);
     
     
-    if(getActiveRoom()->polygon.nVertices && getHoveredVertex()) {
+    if(!getActiveRoom()->polygon.empty() && getHoveredVertex()) {
       vertexOk = isVertexOk(getHoveredVertex());
       
       if(vertexOk)
@@ -214,11 +210,10 @@ gboolean drawTopView(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
     cairo_set_source_rgba(cr, 0.0, 0.7, 1.0, 0.7);
     cairo_stroke(cr);
     
-    if(getActiveRoom()->polygon.nVertices && getHoveredVertex() && !vertexOk) {
+    if(!getActiveRoom()->polygon.empty() && getHoveredVertex() && !vertexOk) {
       cairo_set_source_rgba(cr, 1.0, 0.3, 0.3, 0.7);
       
-      i = getActiveRoom()->polygon.nVertices - 1;
-      cairo_move_to(cr, getActiveRoom()->polygon.vertices[i].getX(), getActiveRoom()->polygon.vertices[i].getY());
+      cairo_move_to(cr, getActiveRoom()->polygon.back().getX(), getActiveRoom()->polygon.back().getY());
       cairo_line_to(cr, getHoveredVertex()->getX(), getHoveredVertex()->getY());
       
       cairo_stroke(cr);
@@ -253,13 +248,14 @@ void viewToImage(Vertex *v) {
 double getImageWidth() {
   const LEVEL *level = getLevel();
   double min = 0.0, max = 0.0;
-  int i, j;
+  int i;
+  
   
   if(level) {
     for(i = 0; i < level->nRooms; i++) {
-      for(j = 0; j < level->rooms[i].polygon.nVertices; j++) {
-        min = MIN(min, level->rooms[i].polygon.vertices[j].getX());
-        max = MAX(max, level->rooms[i].polygon.vertices[j].getX());
+      for(Polygon::iterator it = level->rooms[i].polygon.begin(); it != level->rooms[i].polygon.end(); it++) {
+        min = MIN(min, it->getX());
+        max = MAX(max, it->getX());
       }
     }
   }
@@ -270,13 +266,13 @@ double getImageWidth() {
 double getImageHeight() {
   const LEVEL *level = getLevel();
   double min = 0.0, max = 0.0;
-  int i, j;
+  int i;
   
   if(level) {
     for(i = 0; i < level->nRooms; i++) {
-      for(j = 0; j < level->rooms[i].polygon.nVertices; j++) {
-        min = MIN(min, level->rooms[i].polygon.vertices[j].getY());
-        max = MAX(max, level->rooms[i].polygon.vertices[j].getY());
+      for(Polygon::iterator it = level->rooms[i].polygon.begin(); it != level->rooms[i].polygon.end(); it++) {
+        min = MIN(min, it->getY());
+        max = MAX(max, it->getY());
       }
     }
   }