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| author | Přemysl Janouch <p.janouch@gmail.com> | 2011-02-05 18:52:51 +0100 |
|---|---|---|
| committer | Přemysl Janouch <p.janouch@gmail.com> | 2011-02-05 18:52:51 +0100 |
| commit | 611b11508a910118694b6da0958a022826c07b29 (patch) | |
| tree | 2c132db486ea2e0a606fafdf7d4445ba47de2f37 | |
| parent | 3cec64ebe8e04b42fadaa6cba03960606d852832 (diff) | |
| download | logdiag-611b11508a910118694b6da0958a022826c07b29.tar.gz logdiag-611b11508a910118694b6da0958a022826c07b29.tar.xz logdiag-611b11508a910118694b6da0958a022826c07b29.zip | |
Make grid dots pixel-sharp.
| -rw-r--r-- | liblogdiag/ld-canvas.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/liblogdiag/ld-canvas.c b/liblogdiag/ld-canvas.c index 7f0b236..4238876 100644 --- a/liblogdiag/ld-canvas.c +++ b/liblogdiag/ld-canvas.c @@ -1662,6 +1662,7 @@ draw_grid (GtkWidget *widget, DrawData *data) gint grid_factor; gdouble x_init, y_init; gdouble x, y; + gdouble x_round, y_round; grid_step = data->scale; grid_factor = 1; @@ -1694,8 +1695,10 @@ draw_grid (GtkWidget *widget, DrawData *data) for (y = y_init; y <= data->exposed_rect.y + data->exposed_rect.height; y += grid_step) { - cairo_move_to (data->cr, x, y); - cairo_line_to (data->cr, x, y); + x_round = floor (x) + 0.5; + y_round = floor (y) + 0.5; + cairo_move_to (data->cr, x_round, y_round); + cairo_line_to (data->cr, x_round, y_round); } } cairo_stroke (data->cr); |