Change plot routine to take a drawing_area as argument

[ext/subsurface.git] / profile.c

diff --git a/profile.c b/profile.c
index ca383a53dc865e024a27334ecdeff89a38603f6f..6f19902026e48bef55fcfec7c14b6e16cb759ce9 100644 (file)
--- a/profile.c
+++ b/profile.c
@@ -722,14 +722,11 @@ static struct plot_info *create_plot_info(struct dive *dive)
        return analyze_plot_info(pi);
 }
 
-void plot(struct graphics_context *gc, int w, int h, struct dive *dive)
+void plot(struct graphics_context *gc, cairo_rectangle_int_t *drawing_area, struct dive *dive)
 {
-       double topx, topy;
        struct plot_info *pi = create_plot_info(dive);
 
-       topx = w / 20.0;
-       topy = h / 20.0;
-       cairo_translate(gc->cr, topx, topy);
+       cairo_translate(gc->cr, drawing_area->x, drawing_area->y);
        cairo_set_line_width(gc->cr, 2);
        cairo_set_line_cap(gc->cr, CAIRO_LINE_CAP_ROUND);
        cairo_set_line_join(gc->cr, CAIRO_LINE_JOIN_ROUND);
@@ -741,8 +738,8 @@ void plot(struct graphics_context *gc, int w, int h, struct dive *dive)
         *
         * Snif. What a pity.
         */
-       gc->maxx = (w - 2*topx);
-       gc->maxy = (h - 2*topy);
+       gc->maxx = (drawing_area->width - 2*drawing_area->x);
+       gc->maxy = (drawing_area->height - 2*drawing_area->y);
 
        /* Temperature profile */
        plot_temperature_profile(gc, pi);