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WPCG::WP_Color Class Reference
#include <WP_Color.h>
List of all members.
Detailed Description
this class represents an OpenGL color object with an alpha component
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Author:
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Copyright (C) 2001 W.P. van Paassen peter@paassen.tmfweb.nl
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
Constructor & Destructor Documentation
WPCG::WP_Color::WP_Color |
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Parameters:
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r |
the red color component in float format (0.0-1.0) |
g |
the green color component in float format (0.0-1.0) |
b |
the blue color component in float format (0.0-1.0) |
a |
the optional alpha component in float format (0.0-1.0) |
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Parameters:
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r |
the red color component in byte format (0-255) |
g |
the green color component in byte format (0-255) |
b |
the blue color component in byte format (0-255) |
a |
the optional alpha (transparancy) color component in byte format (0-255) |
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WPCG::WP_Color::~WP_Color |
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[inline] |
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WPCG::WP_Color::WP_Color |
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const WP_Color & |
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Member Function Documentation
byte WPCG::WP_Color::fromFloatToByte |
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index |
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this function converts a color component from float to byte -
Parameters:
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index |
in index in the component array. 0-r, 1-g, 2-b, 3-a |
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Returns:
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a byte containing the value of the wanted color component
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WP_Color& WPCG::WP_Color::operator= |
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const WP_Color & |
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assigment operator -
Parameters:
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Returns:
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a reference to this new object containing the new color components
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Member Data Documentation
scalar WPCG::WP_Color::components[4]
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the components red, green, blue and alpha of the color object. These components are stored in float format (0.0-1.0), so in case byte format is needed use the fromFloatToByte function |
The documentation for this class was generated from the following file:
Generated on Tue Jan 28 20:26:38 2003 by
1.2.14 written by Dimitri van Heesch,
© 1997-2002