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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
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Checked in the following released items:
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Diffstat (limited to 'xorg-server/os/oscolor.c')
-rw-r--r--xorg-server/os/oscolor.c139
1 files changed, 139 insertions, 0 deletions
diff --git a/xorg-server/os/oscolor.c b/xorg-server/os/oscolor.c
new file mode 100644
index 000000000..f3ff9beac
--- /dev/null
+++ b/xorg-server/os/oscolor.c
@@ -0,0 +1,139 @@
+/***********************************************************
+
+Copyright 1987, 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.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/keysym.h>
+#include "os.h"
+
+typedef struct _builtinColor {
+ unsigned char red;
+ unsigned char green;
+ unsigned char blue;
+ unsigned short name;
+} BuiltinColor;
+
+/* These have to come after the struct definition because despair. */
+#include "oscolor.h"
+#define NUM_BUILTIN_COLORS (sizeof (BuiltinColors) / sizeof (BuiltinColors[0]))
+
+static unsigned char
+OsToLower (unsigned char a)
+{
+ if ((a >= XK_A) && (a <= XK_Z))
+ return a + (XK_a - XK_A);
+ else if ((a >= XK_Agrave) && (a <= XK_Odiaeresis))
+ return a + (XK_agrave - XK_Agrave);
+ else if ((a >= XK_Ooblique) && (a <= XK_Thorn))
+ return a + (XK_oslash - XK_Ooblique);
+ else
+ return a;
+}
+
+static int
+OsStrCaseCmp (const unsigned char *s1, const unsigned char *s2, int l2)
+{
+ unsigned char c1, c2;
+
+ for (;;)
+ {
+ c1 = OsToLower (*s1++);
+ if (l2 == 0)
+ c2 = '\0';
+ else
+ c2 = OsToLower (*s2++);
+ if (!c1 || !c2)
+ break;
+ if (c1 != c2)
+ break;
+ l2--;
+ }
+ return c2 - c1;
+}
+
+Bool
+OsInitColors(void)
+{
+ return TRUE;
+}
+
+Bool
+OsLookupColor(int screen,
+ char *s_name,
+ unsigned int len,
+ unsigned short *pred,
+ unsigned short *pgreen,
+ unsigned short *pblue)
+{
+ const BuiltinColor *c;
+ unsigned char *name = (unsigned char *) s_name;
+ int low, mid, high;
+ int r;
+
+ low = 0;
+ high = NUM_BUILTIN_COLORS - 1;
+ while (high >= low)
+ {
+ mid = (low + high) / 2;
+ c = &BuiltinColors[mid];
+ r = OsStrCaseCmp (&BuiltinColorNames[c->name], name, len);
+ if (r == 0)
+ {
+ *pred = c->red * 0x101;
+ *pgreen = c->green * 0x101;
+ *pblue = c->blue * 0x101;
+ return TRUE;
+ }
+ if (r < 0)
+ high = mid - 1;
+ else
+ low = mid + 1;
+ }
+ return FALSE;
+}