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Only call cairo_stroke() when the colour changes, and at the end of the 

long list of elements.  Now the graph is like greased lightening!

I will look later to see if I can apply the same change to the TCP
graphs.

svn path=/trunk/; revision=44001
This commit is contained in:
Martin Mathieson 2012-07-25 15:34:31 +00:00
parent ced3a6c006
commit 4b4eb03153
1 changed files with 4 additions and 1 deletions
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5
ui/gtk/rlc_lte_graph.c
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@ -1199,6 +1199,8 @@ static void graph_pixmap_draw(struct graph *g)
}
}
}
/* Make sure any remaining lines get drawn */
cairo_stroke(cr_lines);
cairo_destroy(cr_lines);
}
@ -1215,6 +1217,8 @@ static void draw_element_line(struct graph *g, struct element *e, cairo_t *cr,
/* Set our new colour (if changed) */
if (new_color != NULL) {
/* First draw any previous lines with old colour */
cairo_stroke(cr);
gdk_cairo_set_source_color(cr, new_color);
}
@ -1254,7 +1258,6 @@ static void draw_element_line(struct graph *g, struct element *e, cairo_t *cr,
/* Draw from first position to second */
cairo_move_to(cr, xx1+0.5, yy1+0.5);
cairo_line_to(cr, xx2+0.5, yy2+0.5);
cairo_stroke(cr);
}
static void axis_pixmaps_create(struct axis *axis)