Kent Mein
b9a19f1ea7
(adding) #ifdef HAVE_CONFIG_H #include <config.h> #endif also the Makefile.in's were from previous patch adding the system depend stuff to configure.ac Kent -- mein@cs.umn.edu
140 lines
3.7 KiB
C++
140 lines
3.7 KiB
C++
/**
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* $Id$
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*
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#ifndef _H_IMG_BrushRGBA32
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#define _H_IMG_BrushRGBA32
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "IMG_PixmapRGBA32.h"
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/**
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* A brush used for drawing in pixmaps.
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* The brush is a pixmap as well.
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* Drawing can be implemented by blending the brush into the pixmap.
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*
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* @author Maarten Gribnau
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* @date March 7, 2001
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* @todo Check the algorithm
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*/
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class IMG_BrushRGBA32 : public IMG_PixmapRGBA32 {
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public:
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/**
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* Constructs a brush image with the dimensions and color given.
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* @param w width of the brush image
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* @param h height of the brush image
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* @param c color of the brush
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* @param a transparency in the center of the brush
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*/
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IMG_BrushRGBA32(TUns32 w, TUns32 h, const IMG_ColorRGB& c, float a = 0.8f);
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/**
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* Sets the color of the brush.
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* @param c color of the brush
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*/
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virtual void setColor(const IMG_ColorRGB& c);
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/**
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* Returns the color of the brush.
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* @param c color of the brush
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*/
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inline virtual void getColor(IMG_ColorRGB& c) const;
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/**
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* Sets the transparency of the brush.
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* @param a transparency of the brush
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*/
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virtual void setTransparency(float a);
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/**
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* Returns the transparency of the brush.
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* @param a transparency of the brush
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*/
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inline virtual float getTransparency() const;
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/**
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* Sets the shape of the brush from two radii (inner and outer).
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* This creates a brush with alpha==0 inside the inner radius
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* and gradually fades to alpha==1 at the outer radius.
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* Inner radius should be smaller or equal to the outer radius.
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* If not, the outer radius is made equal to the inner radius.
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* If the either radius is larger than the bounds of the brush,
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* they are clipped.
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* @param rI inner radius
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* @param rO outer radius
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*/
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virtual void setRadii(TUns32 rI, TUns32 rO);
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/**
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* Returns the radii that determine the shape of the brush.
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* @param rI inner radius
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* @param rO outer radius
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*/
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inline virtual void setRadii(TUns32& rI, TUns32& rO) const;
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protected:
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/**
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* Updates the image of this brush.
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* The image is created using the current color, transparency and shape radii.
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*/
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virtual void updateImage();
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IMG_ColorRGB m_color; /** The color of the brush */
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float m_alpha; /** The transparency of the brush */
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TUns32 m_ri; /** The inner radius of the brush */
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TUns32 m_ro; /** The outer radius of the brush */
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};
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inline void IMG_BrushRGBA32::setRadii(TUns32& rI, TUns32& rO) const
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{
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rI = m_ri;
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rO = m_ro;
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}
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inline float IMG_BrushRGBA32::getTransparency() const
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{
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return m_alpha;
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}
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inline void IMG_BrushRGBA32::getColor(IMG_ColorRGB& c) const
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{
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c = m_color;
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}
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#endif // _H_IMG_BrushRGBA32
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