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-rw-r--r--notes/e-bevel-button-util.c189
1 files changed, 0 insertions, 189 deletions
diff --git a/notes/e-bevel-button-util.c b/notes/e-bevel-button-util.c
deleted file mode 100644
index cfa01f71a2..0000000000
--- a/notes/e-bevel-button-util.c
+++ /dev/null
@@ -1,189 +0,0 @@
-#include <gtk/gtk.h>
-#include "e-bevel-button-util.h"
-
-static void rgb_to_hls (gdouble *r, gdouble *g, gdouble *b);
-static void hls_to_rgb (gdouble *h, gdouble *l, gdouble *s);
-
-void
-e_bevel_button_util_shade (GdkColor *a,
- GdkColor *b,
- gdouble k)
-{
- gdouble red;
- gdouble green;
- gdouble blue;
-
- red = (gdouble) a->red / 65535.0;
- green = (gdouble) a->green / 65535.0;
- blue = (gdouble) a->blue / 65535.0;
-
- rgb_to_hls (&red, &green, &blue);
-
- green *= k;
- if (green > 1.0)
- green = 1.0;
- else if (green < 0.0)
- green = 0.0;
-
- blue *= k;
- if (blue > 1.0)
- blue = 1.0;
- else if (blue < 0.0)
- blue = 0.0;
-
- hls_to_rgb (&red, &green, &blue);
-
- b->red = red * 65535.0;
- b->green = green * 65535.0;
- b->blue = blue * 65535.0;
-}
-
-static void
-rgb_to_hls (gdouble *r,
- gdouble *g,
- gdouble *b)
-{
- gdouble min;
- gdouble max;
- gdouble red;
- gdouble green;
- gdouble blue;
- gdouble h, l, s;
- gdouble delta;
-
- red = *r;
- green = *g;
- blue = *b;
-
- if (red > green)
- {
- if (red > blue)
- max = red;
- else
- max = blue;
-
- if (green < blue)
- min = green;
- else
- min = blue;
- }
- else
- {
- if (green > blue)
- max = green;
- else
- max = blue;
-
- if (red < blue)
- min = red;
- else
- min = blue;
- }
-
- l = (max + min) / 2;
- s = 0;
- h = 0;
-
- if (max != min)
- {
- if (l <= 0.5)
- s = (max - min) / (max + min);
- else
- s = (max - min) / (2 - max - min);
-
- delta = max -min;
- if (red == max)
- h = (green - blue) / delta;
- else if (green == max)
- h = 2 + (blue - red) / delta;
- else if (blue == max)
- h = 4 + (red - green) / delta;
-
- h *= 60;
- if (h < 0.0)
- h += 360;
- }
-
- *r = h;
- *g = l;
- *b = s;
-}
-
-static void
-hls_to_rgb (gdouble *h,
- gdouble *l,
- gdouble *s)
-{
- gdouble hue;
- gdouble lightness;
- gdouble saturation;
- gdouble m1, m2;
- gdouble r, g, b;
-
- lightness = *l;
- saturation = *s;
-
- if (lightness <= 0.5)
- m2 = lightness * (1 + saturation);
- else
- m2 = lightness + saturation - lightness * saturation;
- m1 = 2 * lightness - m2;
-
- if (saturation == 0)
- {
- *h = lightness;
- *l = lightness;
- *s = lightness;
- }
- else
- {
- hue = *h + 120;
- while (hue > 360)
- hue -= 360;
- while (hue < 0)
- hue += 360;
-
- if (hue < 60)
- r = m1 + (m2 - m1) * hue / 60;
- else if (hue < 180)
- r = m2;
- else if (hue < 240)
- r = m1 + (m2 - m1) * (240 - hue) / 60;
- else
- r = m1;
-
- hue = *h;
- while (hue > 360)
- hue -= 360;
- while (hue < 0)
- hue += 360;
-
- if (hue < 60)
- g = m1 + (m2 - m1) * hue / 60;
- else if (hue < 180)
- g = m2;
- else if (hue < 240)
- g = m1 + (m2 - m1) * (240 - hue) / 60;
- else
- g = m1;
-
- hue = *h - 120;
- while (hue > 360)
- hue -= 360;
- while (hue < 0)
- hue += 360;
-
- if (hue < 60)
- b = m1 + (m2 - m1) * hue / 60;
- else if (hue < 180)
- b = m2;
- else if (hue < 240)
- b = m1 + (m2 - m1) * (240 - hue) / 60;
- else
- b = m1;
-
- *h = r;
- *l = g;
- *s = b;
- }
-}