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-rw-r--r--widgets/misc/e-hsv-utils.c72
1 files changed, 0 insertions, 72 deletions
diff --git a/widgets/misc/e-hsv-utils.c b/widgets/misc/e-hsv-utils.c
deleted file mode 100644
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--- a/widgets/misc/e-hsv-utils.c
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-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-hsv-utils.c - utilites for manipulating colors in HSV space
- * Copyright (C) 1995-2001 Seth Nickell, Peter Mattis, Spencer Kimball and Josh MacDonald
- *
- * Authors:
- * Seth Nickell <seth@eazel.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License, version 2, as published by the Free Software Foundation.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include "e-hsv-utils.h"
-
-/* tweak_hsv is a really tweaky function. it modifies its first argument, which
- should be the color you want tweaked. delta_h, delta_s and delta_v specify
- how much you want their respective channels modified (and in what direction).
- if it can't do the specified modification, it does it in the oppositon direction */
-void
-e_hsv_tweak (GdkColor *color,
- gdouble delta_h,
- gdouble delta_s,
- gdouble delta_v)
-{
- gdouble h, s, v, r, g, b;
-
- r = color->red / 65535.0f;
- g = color->green / 65535.0f;
- b = color->blue / 65535.0f;
-
- gtk_rgb_to_hsv (r, g, b, &h, &s, &v);
-
- if (h + delta_h < 0) {
- h -= delta_h;
- } else {
- h += delta_h;
- }
-
- if (s + delta_s < 0) {
- s -= delta_s;
- } else {
- s += delta_s;
- }
-
- if (v + delta_v < 0) {
- v -= delta_v;
- } else {
- v += delta_v;
- }
-
- gtk_hsv_to_rgb (h, s, v, &r, &g, &b);
-
- color->red = r * 65535.0f;
- color->green = g * 65535.0f;
- color->blue = b * 65535.0f;
-}
-