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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