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authorVladimir Glazounov <vg@openoffice.org>2008-08-19 22:50:01 +0000
committerVladimir Glazounov <vg@openoffice.org>2008-08-19 22:50:01 +0000
commit04d12e7a5afbb72a93d495aa7fd816ee8d26ba9a (patch)
tree6ca4c6f308e60689b5c9e0d00569b87f9675f3b2 /basegfx/inc/basegfx/color
parent4a14d774fd5c6a7b1b521c3b995c8468f5489f92 (diff)
INTEGRATION: CWS aw033 (1.1.2); FILE ADDED
2008/08/19 16:43:43 cl 1.1.2.8: fixed license files 2008/05/27 14:08:42 aw 1.1.2.7: #i39532# changes DEV300 m12 resync corrections 2008/05/16 09:22:42 aw 1.1.2.6: adaptions after resync 2008/05/14 09:16:12 aw 1.1.2.5: #i39532# aw033 progresses from git 2008/04/16 04:50:22 aw 1.1.2.4: #i39532# moved 3D default raster converter to basegfx 2007/12/18 15:05:59 aw 1.1.2.3: #i39532# added colorToDoubleSequence support for cancas 2007/09/26 11:32:12 aw 1.1.2.2: #i73860# constructor with luminosity added 2006/05/12 11:27:12 aw 1.1.2.1: code for primitive support
Diffstat (limited to 'basegfx/inc/basegfx/color')
-rw-r--r--basegfx/inc/basegfx/color/bcolor.hxx234
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diff --git a/basegfx/inc/basegfx/color/bcolor.hxx b/basegfx/inc/basegfx/color/bcolor.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: bcolor.hxx,v $
+ *
+ * $Revision: 1.2 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _BGFX_COLOR_BCOLOR_HXX
+#define _BGFX_COLOR_BCOLOR_HXX
+
+#include <basegfx/tuple/b3dtuple.hxx>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <vector>
+
+//////////////////////////////////////////////////////////////////////////////
+// predeclarations
+
+namespace com { namespace sun { namespace star { namespace rendering {
+ class XGraphicDevice;
+}}}}
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace basegfx
+{
+ /** Base Color class with three double values
+
+ This class derives all operators and common handling for
+ a 3D data class from B3DTuple. All necessary extensions
+ which are special for colors will be added here.
+
+ @see B3DTuple
+ */
+ class BColor : public B3DTuple
+ {
+ public:
+ /** Create a Color with red, green and blue components from [0.0 to 1.0]
+
+ The color is initialized to (0.0, 0.0, 0.0)
+ */
+ BColor()
+ : B3DTuple()
+ {}
+
+ /** Create a 3D Color
+
+ @param fRed
+ @param fGreen
+ @param fBlue
+ These parameters are used to initialize the red, green and blue intensities of the color
+ */
+ BColor(double fRed, double fGreen, double fBlue)
+ : B3DTuple(fRed, fGreen, fBlue)
+ {}
+
+ /** Create a 3D Color
+
+ @param fLuminosity
+ The parameter is used to initialize the red, green and blue intensities of the color
+ */
+ BColor(double fLuminosity)
+ : B3DTuple(fLuminosity, fLuminosity, fLuminosity)
+ {}
+
+ /** Create a copy of a Color
+
+ @param rVec
+ The Color which will be copied.
+ */
+ BColor(const BColor& rVec)
+ : B3DTuple(rVec)
+ {}
+
+ /** constructor with tuple to allow copy-constructing
+ from B3DTuple-based classes
+ */
+ BColor(const ::basegfx::B3DTuple& rTuple)
+ : B3DTuple(rTuple)
+ {}
+
+ ~BColor()
+ {}
+
+ // data access read
+ double getRed() const { return mfX; }
+ double getGreen() const { return mfY; }
+ double getBlue() const { return mfZ; }
+
+ // data access write
+ void setRed(double fNew) { mfX = fNew; }
+ void setGreen(double fNew) { mfY = fNew; }
+ void setBlue(double fNew) { mfZ = fNew; }
+
+ /** *=operator to allow usage from BColor, too
+ */
+ BColor& operator*=( const BColor& rPnt )
+ {
+ mfX *= rPnt.mfX;
+ mfY *= rPnt.mfY;
+ mfZ *= rPnt.mfZ;
+ return *this;
+ }
+
+ /** *=operator to allow usage from BColor, too
+ */
+ BColor& operator*=(double t)
+ {
+ mfX *= t;
+ mfY *= t;
+ mfZ *= t;
+ return *this;
+ }
+
+ /** assignment operator to allow assigning the results
+ of B3DTuple calculations
+ */
+ BColor& operator=( const ::basegfx::B3DTuple& rVec )
+ {
+ mfX = rVec.getX();
+ mfY = rVec.getY();
+ mfZ = rVec.getZ();
+ return *this;
+ }
+
+ // blend to another color using luminance
+ void blend(const BColor& rColor)
+ {
+ const double fLuminance(luminance());
+ mfX = rColor.getRed() * fLuminance;
+ mfY = rColor.getGreen() * fLuminance;
+ mfZ = rColor.getBlue() * fLuminance;
+ }
+
+ // luminance
+ double luminance() const
+ {
+ const double fRedWeight(77.0 / 256.0);
+ const double fGreenWeight(151.0 / 256.0);
+ const double fBlueWeight(28.0 / 256.0);
+
+ return (mfX * fRedWeight + mfY * fGreenWeight + mfZ * fBlueWeight);
+ }
+
+ // distances in color space
+ double getDistanceRed(const BColor& rColor) const { return (getRed() > rColor.getRed() ? getRed() - rColor.getRed() : rColor.getRed() - getRed()); }
+ double getDistanceGreen(const BColor& rColor) const { return (getGreen() > rColor.getGreen() ? getGreen() - rColor.getGreen() : rColor.getGreen() - getGreen()); }
+ double getDistanceBlue(const BColor& rColor) const { return (getBlue() > rColor.getBlue() ? getBlue() - rColor.getBlue() : rColor.getBlue() - getBlue()); }
+
+ double getDistance(const BColor& rColor) const
+ {
+ const double fDistR(getDistanceRed(rColor));
+ const double fDistG(getDistanceGreen(rColor));
+ const double fDistB(getDistanceBlue(rColor));
+
+ return sqrt(fDistR * fDistR + fDistG * fDistG + fDistB * fDistB);
+ }
+
+ double getMinimumDistance(const BColor& rColor) const
+ {
+ const double fDistR(getDistanceRed(rColor));
+ const double fDistG(getDistanceGreen(rColor));
+ const double fDistB(getDistanceBlue(rColor));
+
+ double fRetval(fDistR < fDistG ? fDistR : fDistG);
+ return (fRetval < fDistB ? fRetval : fDistB);
+ }
+
+ double getMaximumDistance(const BColor& rColor) const
+ {
+ const double fDistR(getDistanceRed(rColor));
+ const double fDistG(getDistanceGreen(rColor));
+ const double fDistB(getDistanceBlue(rColor));
+
+ double fRetval(fDistR > fDistG ? fDistR : fDistG);
+ return (fRetval > fDistB ? fRetval : fDistB);
+ }
+
+ // clamp color to [0.0..1.0] values in all three intensity components
+ void clamp()
+ {
+ mfX = basegfx::clamp(mfX, 0.0, 1.0);
+ mfY = basegfx::clamp(mfY, 0.0, 1.0);
+ mfZ = basegfx::clamp(mfZ, 0.0, 1.0);
+ }
+
+ static const BColor& getEmptyBColor()
+ {
+ return (const BColor&) ::basegfx::B3DTuple::getEmptyTuple();
+ }
+
+ com::sun::star::uno::Sequence< double > colorToDoubleSequence(const com::sun::star::uno::Reference< com::sun::star::rendering::XGraphicDevice >& /*xGraphicDevice*/) const
+ {
+ com::sun::star::uno::Sequence< double > aRet(4);
+ double* pRet = aRet.getArray();
+
+ pRet[0] = mfX;
+ pRet[1] = mfY;
+ pRet[2] = mfZ;
+ pRet[3] = 1.0;
+
+ return aRet;
+ }
+ };
+} // end of namespace basegfx
+
+#endif /* _BGFX_COLOR_BCOLOR_HXX */
+
+//////////////////////////////////////////////////////////////////////////////
+// eof