diff options
| author | Bent Bisballe Nyeng <deva@aasimon.org> | 2020-03-08 14:26:42 +0100 |
|---|---|---|
| committer | Bent Bisballe Nyeng <deva@aasimon.org> | 2020-03-08 14:31:46 +0100 |
| commit | 96939530fe1b997f2161ea94356888cb37ca2a2a (patch) | |
| tree | e6ba8f5e5a83524bcdec8af1b8d214b1f14ea8bd | |
| parent | 1fe164e36f0996fb07f62de0ac38199943818095 (diff) | |
Get rid of c-style M_PI.
| -rw-r--r-- | plugingui/knob.cc | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/plugingui/knob.cc b/plugingui/knob.cc index 3d09d51..25200a7 100644 --- a/plugingui/knob.cc +++ b/plugingui/knob.cc @@ -29,13 +29,12 @@ #include "painter.h" #include <hugin.hpp> -#include <stdio.h> +#include <cmath> -// M_PI is not defined in math.h if __STRICT_ANSI__ is defined. -#ifdef __STRICT_ANSI__ -#undef __STRICT_ANSI__ -#endif -#include <math.h> +namespace +{ +const double pi = std::atan(1.0) * 4.0; +} namespace GUI { @@ -211,11 +210,11 @@ void Knob::repaintEvent(RepaintEvent* repaintEvent) // Make it start from 20% and stop at 80% double padval = current_value * 0.8 + 0.1; - double from_x = sin((-1 * padval + 1) * 2 * M_PI) * radius * 0.6; - double from_y = cos((-1 * padval + 1) * 2 * M_PI) * radius * 0.6; + double from_x = sin((-1 * padval + 1) * 2 * pi) * radius * 0.6; + double from_y = cos((-1 * padval + 1) * 2 * pi) * radius * 0.6; - double to_x = sin((-1 * padval + 1) * 2 * M_PI) * radius * 0.8; - double to_y = cos((-1 * padval + 1) * 2 * M_PI) * radius * 0.8; + double to_x = sin((-1 * padval + 1) * 2 * pi) * radius * 0.8; + double to_y = cos((-1 * padval + 1) * 2 * pi) * radius * 0.8; // Draw "fat" line by drawing 9 lines with moved start/ending points. p.setColour(Colour(1.0f, 0.0f, 0.0f, 1.0f)); |