void draw_canvas(struct ScreenContext *screenContext)
{
/* draw background */
cairo_set_source_rgb(screenContext->cr_on_canvas, 1, 1, 1);
cairo_paint(screenContext->cr_on_canvas);
cairo_rectangle(screenContext->cr_on_canvas, MARGIN, MARGIN,screenContext->scr_width-2*MARGIN, screenContext->scr_height-2*MARGIN);
cairo_clip(screenContext->cr_on_canvas);
cairo_rectangle(screenContext->cr_on_canvas, MARGIN, MARGIN,screenContext->scr_width-2*MARGIN, screenContext->scr_height-2*MARGIN);
cairo_set_source_rgb(screenContext->cr_on_canvas, 176.0/255, 212.0/255, 236.0/255);
cairo_fill(screenContext->cr_on_canvas);
/* draw districts */
draw_districts(screenContext);
/* draw rivers */
draw_rivers(screenContext);
/* draw roads */
draw_roads(screenContext);
/* draw crosses */
draw_crosses(screenContext);
draw_dynamic_on_screen(screenContext);
}
void
draw_grid(cairo_t *cr, gint width, gint height)
{
if (grid_snap && grid_type != GRID_HIDDEN)
{
cairo_save (cr);
if (grid_type == GRID_LINES)
{
draw_lines(cr, width, height);
}
else
{
draw_crosses(cr, width, height);
}
cairo_restore (cr);
}
}