aboutsummaryrefslogtreecommitdiff
path: root/libXmu/src/Distinct.c
diff options
context:
space:
mode:
Diffstat (limited to 'libXmu/src/Distinct.c')
-rw-r--r--libXmu/src/Distinct.c181
1 files changed, 89 insertions, 92 deletions
diff --git a/libXmu/src/Distinct.c b/libXmu/src/Distinct.c
index f00b00b5a..254eb7f04 100644
--- a/libXmu/src/Distinct.c
+++ b/libXmu/src/Distinct.c
@@ -1,92 +1,89 @@
-/* $Xorg: Distinct.c,v 1.4 2001/02/09 02:03:52 xorgcvs Exp $ */
-
-/*
-
-Copyright 1990, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-*/
-/* $XFree86: xc/lib/Xmu/Distinct.c,v 3.5 2001/07/25 15:04:50 dawes Exp $ */
-
-/*
- * Author: Keith Packard, MIT X Consortium
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <X11/Xlib.h>
-#include <stdlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xmu/StdCmap.h>
-
-/*
- * Distinguishable colors routine. Determines if two colors are
- * distinguishable or not. Somewhat arbitrary meaning.
- */
-
-#define MIN_DISTINGUISH 10000.0
-
-Bool
-XmuDistinguishableColors(XColor *colors, int count)
-{
- double deltaRed, deltaGreen, deltaBlue;
- double dist;
- int i, j;
-
- for (i = 0; i < count - 1; i++)
- for (j = i + 1; j < count; j++)
- {
- deltaRed = (double)colors[i].red - (double)colors[j].red;
- deltaGreen = (double)colors[i].green - (double)colors[j].green;
- deltaBlue = (double)colors[i].blue - (double)colors[j].blue;
- dist = deltaRed * deltaRed +
- deltaGreen * deltaGreen +
- deltaBlue * deltaBlue;
- if (dist <= MIN_DISTINGUISH * MIN_DISTINGUISH)
- return False;
- }
- return True;
-}
-
-Bool
-XmuDistinguishablePixels(Display *dpy, Colormap cmap,
- unsigned long *pixels, int count)
-{
- XColor *defs;
- int i, j;
- Bool ret;
-
- for (i = 0; i < count - 1; i++)
- for (j = i + 1; j < count; j++)
- if (pixels[i] == pixels[j])
- return False;
- defs = (XColor *) malloc (count * sizeof (XColor));
- if (!defs)
- return False;
- for (i = 0; i < count; i++)
- defs[i].pixel = pixels[i];
- XQueryColors (dpy, cmap, defs, count);
- ret = XmuDistinguishableColors (defs, count);
- free ((char *) defs);
- return ret;
-}
+/*
+
+Copyright 1990, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+/*
+ * Author: Keith Packard, MIT X Consortium
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Xlib.h>
+#include <stdlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xmu/StdCmap.h>
+
+/*
+ * Distinguishable colors routine. Determines if two colors are
+ * distinguishable or not. Somewhat arbitrary meaning.
+ */
+
+#define MIN_DISTINGUISH 10000.0
+
+Bool
+XmuDistinguishableColors(XColor *colors, int count)
+{
+ double deltaRed, deltaGreen, deltaBlue;
+ double dist;
+ int i, j;
+
+ for (i = 0; i < count - 1; i++)
+ for (j = i + 1; j < count; j++)
+ {
+ deltaRed = (double)colors[i].red - (double)colors[j].red;
+ deltaGreen = (double)colors[i].green - (double)colors[j].green;
+ deltaBlue = (double)colors[i].blue - (double)colors[j].blue;
+ dist = deltaRed * deltaRed +
+ deltaGreen * deltaGreen +
+ deltaBlue * deltaBlue;
+ if (dist <= MIN_DISTINGUISH * MIN_DISTINGUISH)
+ return False;
+ }
+ return True;
+}
+
+Bool
+XmuDistinguishablePixels(Display *dpy, Colormap cmap,
+ unsigned long *pixels, int count)
+{
+ XColor *defs;
+ int i, j;
+ Bool ret;
+
+ for (i = 0; i < count - 1; i++)
+ for (j = i + 1; j < count; j++)
+ if (pixels[i] == pixels[j])
+ return False;
+ defs = (XColor *) malloc (count * sizeof (XColor));
+ if (!defs)
+ return False;
+ for (i = 0; i < count; i++)
+ defs[i].pixel = pixels[i];
+ XQueryColors (dpy, cmap, defs, count);
+ ret = XmuDistinguishableColors (defs, count);
+ free ((char *) defs);
+ return ret;
+}