svn commit: r256530 - user/ed/newcons/sys/dev/vt/colors
Aleksandr Rybalko
ray at FreeBSD.org
Tue Oct 15 12:54:48 UTC 2013
Author: ray
Date: Tue Oct 15 12:54:47 2013
New Revision: 256530
URL: http://svnweb.freebsd.org/changeset/base/256530
Log:
Add helper to generate color map.
Sponsored by: The FreeBSD Foundation
Added:
user/ed/newcons/sys/dev/vt/colors/
user/ed/newcons/sys/dev/vt/colors/vt_termcolors.c (contents, props changed)
user/ed/newcons/sys/dev/vt/colors/vt_termcolors.h (contents, props changed)
Added: user/ed/newcons/sys/dev/vt/colors/vt_termcolors.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ user/ed/newcons/sys/dev/vt/colors/vt_termcolors.c Tue Oct 15 12:54:47 2013 (r256530)
@@ -0,0 +1,80 @@
+/*-
+ * Copyright (c) 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Aleksandr Rybalko under sponsorship from the
+ * FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+
+#include <dev/vt/colors/vt_termcolors.h>
+
+static struct {
+ unsigned char r; /* Red percentage value. */
+ unsigned char g; /* Green percentage value. */
+ unsigned char b; /* Blue percentage value. */
+} color_def[16] = {
+ {0, 0, 0}, /* black */
+ {0, 0, 50}, /* dark blue */
+ {0, 50, 0}, /* dark green */
+ {0, 50, 50}, /* dark cyan */
+ {50, 0, 0}, /* dark red */
+ {50, 0, 50}, /* dark magenta */
+ {50, 50, 0}, /* brown */
+ {75, 75, 75}, /* light gray */
+ {50, 50, 50}, /* dark gray */
+ {0, 0, 100}, /* light blue */
+ {0, 100, 0}, /* light green */
+ {0, 100, 100}, /* light cyan */
+ {100, 0, 0}, /* light red */
+ {100, 0, 100}, /* light magenta */
+ {100, 100, 0}, /* yellow */
+ {100, 100, 100}, /* white */
+};
+
+int
+vt_generate_vga_palette(uint32_t *palette, int format, uint32_t rmax, int roffset,
+ uint32_t gmax, int goffset, uint32_t bmax, int boffset)
+{
+ int i;
+
+#define CF(_f, _i) ((_f ## max * color_def[(_i)]._f / 100) << _f ## offset)
+ for (i = 0; i < 16; i++) {
+ switch (format) {
+ case COLOR_FORMAT_VGA:
+ palette[i] = i;
+ break;
+ case COLOR_FORMAT_RGB:
+ palette[i] = CF(r, i) | CF(g, i) | CF(b, i);
+ break;
+ default:
+ return (ENODEV);
+ }
+ }
+#undef CF
+ return (0);
+}
Added: user/ed/newcons/sys/dev/vt/colors/vt_termcolors.h
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ user/ed/newcons/sys/dev/vt/colors/vt_termcolors.h Tue Oct 15 12:54:47 2013 (r256530)
@@ -0,0 +1,50 @@
+/*-
+ * Copyright (c) 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Aleksandr Rybalko under sponsorship from the
+ * FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+enum vt_color_format {
+ COLOR_FORMAT_BW = 0,
+ COLOR_FORMAT_GRAY,
+ COLOR_FORMAT_VGA, /* Color Index. */
+ COLOR_FORMAT_RGB,
+ COLOR_FORMAT_ARGB,
+ COLOR_FORMAT_CMYK,
+ COLOR_FORMAT_HSL,
+ COLOR_FORMAT_YUV,
+ COLOR_FORMAT_YCbCr,
+ COLOR_FORMAT_YPbPr,
+
+ COLOR_FORMAT_MAX = 15,
+};
+
+/* Helper to fill color map used by driver */
+int vt_generate_vga_palette(uint32_t *palette, int format, uint32_t rmax,
+ int roffset, uint32_t gmax, int goffset, uint32_t bmax, int boffset);
+
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