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| author | Thomas White <taw@physics.org> | 2019-06-15 10:12:43 +0200 |
|---|---|---|
| committer | Thomas White <taw@physics.org> | 2019-06-15 10:12:43 +0200 |
| commit | 4f7fe6cfb2475114620497ffb2fc4534a728c5c3 (patch) | |
| tree | 31719eb05c450d6b4133cedf0a8f32ee5d1378b7 | |
| parent | 7a100b773324421ca0739084f2afd24cdde2693f (diff) | |
Flip display of tilt
| -rw-r--r-- | src/nanolight.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/nanolight.c b/src/nanolight.c index 40c8bd1..06012e8 100644 --- a/src/nanolight.c +++ b/src/nanolight.c @@ -119,7 +119,7 @@ static void draw_fixture(cairo_t *cr, PangoContext *pc, PangoFontDescription *fo cairo_stroke(cr); } if ( find_attribute(fix, ATT_TILT, &n) ) { - double y = h*fix->attr_vals[n] / 65535; + double y = h*(1.0 - (double)fix->attr_vals[n] / 65535); cairo_move_to(cr, -1.0, y); cairo_line_to(cr, w+2.0, y); cairo_set_source_rgb(cr, 1.0, 0.0, 0.0); |