diff options
| author | Robin Gareus <robin@gareus.org> | 2013-07-24 22:57:25 +0200 |
|---|---|---|
| committer | Robin Gareus <robin@gareus.org> | 2013-07-24 22:57:25 +0200 |
| commit | 2ec45cfd1b09343b874726f1b3f38ac6a1ed49e3 (patch) | |
| tree | 2c7be819cc964284097dba6f27a203392b2bbb31 /libs | |
| parent | a9975f44a518dd978234d6e067943dbc84a4ac21 (diff) | |
align gradient with meter-metrics
Diffstat (limited to 'libs')
| -rw-r--r-- | libs/gtkmm2ext/fastmeter.cc | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/libs/gtkmm2ext/fastmeter.cc b/libs/gtkmm2ext/fastmeter.cc index bac0ba0c92..c930e60be3 100644 --- a/libs/gtkmm2ext/fastmeter.cc +++ b/libs/gtkmm2ext/fastmeter.cc @@ -123,7 +123,8 @@ FastMeter::generate_meter_pattern ( { guint8 r,g,b,a; double knee; - double soft = 1.5 / (double) height; + const double soft = 2.5 / (double) height; + const double offs = -1.0 / (double) height; cairo_pattern_t* pat = cairo_pattern_create_linear (0.0, 0.0, 0.0, height); @@ -136,44 +137,44 @@ FastMeter::generate_meter_pattern ( cairo_pattern_add_color_stop_rgb (pat, 0.0, r/255.0, g/255.0, b/255.0); - knee = ((float)height * stp[3] / 115.0f); // -0dB + knee = offs + stp[3] / 115.0f; // -0dB UINT_TO_RGBA (clr[8], &r, &g, &b, &a); - cairo_pattern_add_color_stop_rgb (pat, 1.0 - (knee/(double)height) - soft, + cairo_pattern_add_color_stop_rgb (pat, 1.0 - knee, r/255.0, g/255.0, b/255.0); UINT_TO_RGBA (clr[7], &r, &g, &b, &a); - cairo_pattern_add_color_stop_rgb (pat, 1.0 - (knee/(double)height) + soft, + cairo_pattern_add_color_stop_rgb (pat, 1.0 - knee + soft, r/255.0, g/255.0, b/255.0); - knee = ((float)height * stp[2]/ 115.0f); // -3dB || -2dB + knee = offs + stp[2]/ 115.0f; // -3dB || -2dB UINT_TO_RGBA (clr[6], &r, &g, &b, &a); - cairo_pattern_add_color_stop_rgb (pat, 1.0 - (knee/(double)height) - soft, + cairo_pattern_add_color_stop_rgb (pat, 1.0 - knee, r/255.0, g/255.0, b/255.0); UINT_TO_RGBA (clr[5], &r, &g, &b, &a); - cairo_pattern_add_color_stop_rgb (pat, 1.0 - (knee/(double)height) + soft, + cairo_pattern_add_color_stop_rgb (pat, 1.0 - knee + soft, r/255.0, g/255.0, b/255.0); - knee = ((float)height * stp[1] / 115.0f); // -9dB + knee = offs + stp[1] / 115.0f; // -9dB UINT_TO_RGBA (clr[4], &r, &g, &b, &a); - cairo_pattern_add_color_stop_rgb (pat, 1.0 - (knee/(double)height) - soft, + cairo_pattern_add_color_stop_rgb (pat, 1.0 - knee, r/255.0, g/255.0, b/255.0); UINT_TO_RGBA (clr[3], &r, &g, &b, &a); - cairo_pattern_add_color_stop_rgb (pat, 1.0 - (knee/(double)height) + soft, + cairo_pattern_add_color_stop_rgb (pat, 1.0 - knee + soft, r/255.0, g/255.0, b/255.0); - knee = ((float)height * stp[0] / 115.0f); // -18dB + knee = offs + stp[0] / 115.0f; // -18dB UINT_TO_RGBA (clr[2], &r, &g, &b, &a); - cairo_pattern_add_color_stop_rgb (pat, 1.0 - (knee/(double)height) - soft, + cairo_pattern_add_color_stop_rgb (pat, 1.0 - knee, r/255.0, g/255.0, b/255.0); UINT_TO_RGBA (clr[1], &r, &g, &b, &a); - cairo_pattern_add_color_stop_rgb (pat, 1.0 - (knee/(double)height) + soft, + cairo_pattern_add_color_stop_rgb (pat, 1.0 - knee + soft, r/255.0, g/255.0, b/255.0); UINT_TO_RGBA (clr[0], &r, &g, &b, &a); // bottom |