From: trelane@digitasaru.net <trelane@digitasaru.net>
Date: Fri, 25 Jul 2008 21:10:13 +0000 (-0500)
Subject: * Bowing params are working better.
X-Git-Url: http://git.maemo.org/git/?p=scdataviz;a=commitdiff_plain;h=152331cb46d5b28d1586ce0fd0aaea3d53b440e0

* Bowing params are working better.
* Adding in axis infrastructure.
---

diff --git a/graph.c b/graph.c
index 1af3cb8..507e557 100644
--- a/graph.c
+++ b/graph.c
@@ -44,6 +44,7 @@ static void graph_init(Graph *graph) {
   graph->symbol = CIRCLE;
   graph->points = g_ptr_array_new();
   graph->lines = NULL;
+  graph->xaxis = graph->yaxis = NULL;
 }
 
 Graph *graph_new(void) {
@@ -82,6 +83,7 @@ int graph_add_point(Graph* graph, double x, double y, const GString *label) {
 }
 
 int graph_add_graph_line(Graph* graph, struct graph_line *l) {
+  if(l == NULL) return 1;
   if(graph->lines == NULL) {
     if((graph->lines = g_ptr_array_new()) == NULL) return 1;
   }
@@ -159,3 +161,32 @@ void graph_bezier_quadratic_to_cubic(double x0, double x3, double *x1, double *x
   *x2 = (x3-2.0*(*x1))/3.0;
   *x1 = (x0-2.0*(*x1))/3.0;
 }
+
+void graph_set_xaxis(Graph *g, struct graph_axis *axis) {
+  if(g->xaxis != NULL) {
+    free(g->xaxis);
+  }
+  g->xaxis=axis;
+}
+void graph_set_yaxis(Graph *g, struct graph_axis *axis) {
+  if(g->yaxis != NULL) {
+    free(g->yaxis);
+  }
+  g->yaxis=axis;
+}
+
+void graph_autoset_xaxis(Graph *g) {
+  struct graph_axis *axis;
+  if((axis=(struct graph_axis *)malloc(sizeof(struct graph_axis))) == NULL) {
+    return 1;
+  }
+  graph_set_xaxis(g, axis);
+}
+
+void graph_autoset_yaxis(Graph *g) {
+  struct graph_axis *axis;
+  if((axis=(struct graph_axis *)malloc(sizeof(struct graph_axis))) == NULL) {
+    return 1;
+  }
+  graph_set_xaxis(g, axis);
+}
diff --git a/graph.h b/graph.h
index 927935b..cbdfe5d 100644
--- a/graph.h
+++ b/graph.h
@@ -52,6 +52,14 @@ struct graph_line {
   double p3_y;
 };
 
+struct graph_axis {
+  double start;
+  double step;
+  int xminor;
+  int subminor;
+  GString title;
+};
+
 typedef struct _Graph {
   GObject parent_instance;
   /*Array of n_points sets of x,y coords*/
@@ -63,6 +71,8 @@ typedef struct _Graph {
   double maxy;
   double miny;
   graph_symbol symbol;
+  struct graph_axis *xaxis;
+  struct graph_axis *yaxis;
 } Graph;
 
 typedef struct _GraphClass {
diff --git a/scdataviz.c b/scdataviz.c
index bfed526..4c0851d 100644
--- a/scdataviz.c
+++ b/scdataviz.c
@@ -100,13 +100,13 @@ static void inner_link_materials(gpointer key, gpointer value, gpointer user_dat
     }
     if(bow != NULL) {
       if((p1_x = g_hash_table_lookup(bow->properties, propmap->xprop->str)) != NULL) {
-	l->p1_x = *p1_x;
+	l->p1_x = *p1_x/2.0;
 	graph_bezier_quadratic_to_cubic(l->p0_x, l->p3_x, &(l->p1_x), &(l->p2_x));
       }else{
 	graph_bezier_linear_to_cubic(l->p0_x, l->p3_x, &(l->p1_x), &(l->p2_x));
       }
       if((p1_y = g_hash_table_lookup(bow->properties, propmap->yprop->str)) != NULL) {
-	l->p1_y = *p1_y;
+	l->p1_y = *p1_y/2.0;
 	graph_bezier_quadratic_to_cubic(l->p0_y, l->p3_y, &(l->p1_y), &(l->p2_y));
       }else{
 	graph_bezier_linear_to_cubic(l->p0_y, l->p3_y, &(l->p1_y), &(l->p2_y));