Imported existing code

indra/llmath/v4coloru.cpp

@@ -0,0 +1,126 @@
+/** 
+ * @file v4coloru.cpp
+ * @brief LLColor4U class implementation.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+//#include "v3coloru.h"
+#include "v4coloru.h"
+#include "v4color.h"
+//#include "vmath.h"
+#include "llmath.h"
+
+// LLColor4U
+LLColor4U LLColor4U::white(255, 255, 255, 255);
+LLColor4U LLColor4U::black(  0,   0,   0, 255);
+LLColor4U LLColor4U::red  (255,   0,   0, 255);
+LLColor4U LLColor4U::green(  0, 255,   0, 255);
+LLColor4U LLColor4U::blue (  0,   0, 255, 255);
+
+// conversion
+/* inlined to fix gcc compile link error
+LLColor4U::operator LLColor4()
+{
+	return(LLColor4((F32)mV[VRED]/255.f,(F32)mV[VGREEN]/255.f,(F32)mV[VBLUE]/255.f,(F32)mV[VALPHA]/255.f));
+}
+*/
+
+// Constructors
+
+
+/*
+LLColor4U::LLColor4U(const LLColor3 &vec)
+{
+	mV[VX] = vec.mV[VX];
+	mV[VY] = vec.mV[VY];
+	mV[VZ] = vec.mV[VZ];
+	mV[VW] = 255;
+}
+*/
+
+
+// Clear and Assignment Functions
+
+
+
+// LLColor4U Operators
+
+/*
+LLColor4U LLColor4U::operator=(const LLColor3 &a)
+{
+	mV[VX] = a.mV[VX];
+	mV[VY] = a.mV[VY];
+	mV[VZ] = a.mV[VZ];
+
+// converting from an rgb sets a=1 (opaque)
+	mV[VW] = 255;
+	return (*this);
+}
+*/
+
+
+std::ostream& operator<<(std::ostream& s, const LLColor4U &a) 
+{
+	s << "{ " << (S32)a.mV[VX] << ", " << (S32)a.mV[VY] << ", " << (S32)a.mV[VZ] << ", " << (S32)a.mV[VW] << " }";
+	return s;
+}
+
+// static
+BOOL LLColor4U::parseColor4U(const std::string& buf, LLColor4U* value)
+{
+	if( buf.empty() || value == NULL)
+	{
+		return FALSE;
+	}
+
+	U32 v[4];
+	S32 count = sscanf( buf.c_str(), "%u, %u, %u, %u", v + 0, v + 1, v + 2, v + 3 );
+	if (1 == count )
+	{
+		// try this format
+		count = sscanf( buf.c_str(), "%u %u %u %u", v + 0, v + 1, v + 2, v + 3 );
+	}
+	if( 4 != count )
+	{
+		return FALSE;
+	}
+
+	for( S32 i = 0; i < 4; i++ )
+	{
+		if( v[i] > U8_MAX )
+		{
+			return FALSE;
+		}
+	}
+
+	value->set( U8(v[0]), U8(v[1]), U8(v[2]), U8(v[3]) );
+	return TRUE;
+}