X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=display.h;h=c441a7dd2410c5401e083a686fb1a5aea495b6de;hb=b72ade0e78825dd97add4c7607c574df351abed0;hp=c239fbd3c3bc516ae8341a4b8c0536cec2fc6507;hpb=8e95ded57bdbaa66ba1c2ec25c55a56d53bce943;p=ext%2Fsubsurface.git

diff --git a/display.h b/display.h
index c239fbd..c441a7d 100644
--- a/display.h
+++ b/display.h
@@ -1,10 +1,28 @@
 #ifndef DISPLAY_H
 #define DISPLAY_H
 
-#include <gtk/gtk.h>
-#include <gdk/gdk.h>
 #include <cairo.h>
 
-extern GtkWidget *dive_profile_frame(void);
+extern void repaint_dive(void);
+extern void do_print(void);
+
+/*
+ * Cairo scaling really is horribly horribly mis-designed.
+ *
+ * Which is sad, because I really like Cairo otherwise. But
+ * the fact that the line width is scaled with the same scale
+ * as the coordinate system is a f*&%ing disaster. So we
+ * can't use it, and instead have this butt-ugly wrapper thing..
+ */
+struct graphics_context {
+	int printer;
+	cairo_t *cr;
+	double maxx, maxy;
+	double leftx, rightx;
+	double topy, bottomy;
+};
+
+extern void plot(struct graphics_context *gc, cairo_rectangle_int_t *drawing_area, struct dive *dive);
+extern void set_source_rgb(struct graphics_context *gc, double r, double g, double b);
 
 #endif