summaryrefslogtreecommitdiffstats
path: root/keyboards/handwired/ortho60/hsv2rgb.c
diff options
context:
space:
mode:
Diffstat (limited to 'keyboards/handwired/ortho60/hsv2rgb.c')
-rw-r--r--keyboards/handwired/ortho60/hsv2rgb.c80
1 files changed, 0 insertions, 80 deletions
diff --git a/keyboards/handwired/ortho60/hsv2rgb.c b/keyboards/handwired/ortho60/hsv2rgb.c
deleted file mode 100644
index adb7af8fa..000000000
--- a/keyboards/handwired/ortho60/hsv2rgb.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/* hsv2rgb.c
- * Integer only conversion functions between HSV and RGB
- */
-
-#include "hsv2rgb.h"
-
-// TODO fix these buggy macros
-#define max(x,y) ((x>y) ? x:y)
-#define min(x,y) ((x>y) ? y:x)
-#define min3(x,y,z) (min(min(x,y),z))
-#define max3(x,y,z) (max(max(x,y),z))
-
-
-rgb_color hsv2rgb(hsv_color hsv)
-{
- // From : http://qscribble.blogspot.fr/2008/06/integer-conversion-from-hsl-to-rgb.html
- int h = hsv.h;
- int s = hsv.s;
- int v = hsv.v;
- rgb_color rgb = {0, 0, 0};
-
- if (v == 0)
- return rgb;
-
- // sextant = 0 .. 5
- int sextant = (h*6)/256;
- // f = 0 .. 42
- int f = h - (sextant*256)/6;
-
- int p = (v * (256 - s))/256;
- int q = (v * (256*43 - s*f))/(256*43);
- int t = (v * (256*43 - s*(43-f)))/(256*43);
-
- // Corrige les erreurs dues aux arrondis
- p = max(min(p, 255), 0);
- q = max(min(q, 255), 0);
- t = max(min(t, 255), 0);
-
- switch(sextant){
- case 0: rgb.r = v; rgb.g = t; rgb.b = p; break;
- case 1: rgb.r = q; rgb.g = v; rgb.b = p; break;
- case 2: rgb.r = p; rgb.g = v; rgb.b = t; break;
- case 3: rgb.r = p; rgb.g = q; rgb.b = v; break;
- case 4: rgb.r = t; rgb.g = p; rgb.b = v; break;
- default:rgb.r = v; rgb.g = p; rgb.b = q; break;
- }
- return rgb;
-}
-
-
-hsv_color rgb2hsv(rgb_color rgb)
-{
- // From : http://www.ruinelli.ch/rgb-to-hsv
- hsv_color hsv = {0, 0, 0};
- int min, max, delta;
-
- min = min3(rgb.r, rgb.g, rgb.b);
- max = max3(rgb.r, rgb.g, rgb.b);
-
- if(max==0) {
- hsv.h = 0;
- hsv.s = 0;
- hsv.v = 0;
- return hsv;
- }
-
- hsv.v = max;
- delta = max - min;
-
- hsv.s = (delta)*255 / max;
-
- if(rgb.r == max)
- hsv.h = (rgb.g - rgb.b)*42/delta; // between yellow & magenta
- else if(rgb.g == max)
- hsv.h = 120 + (rgb.b - rgb.r)*42/delta; // between cyan & yellow
- else
- hsv.h = 240 + (rgb.r - rgb.g)*42/delta; // between magenta & cyan
-
- return hsv;
-} \ No newline at end of file