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Diffstat (limited to 'source/blender/img/intern/IMG_Line.h')
| -rw-r--r-- | source/blender/img/intern/IMG_Line.h | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/source/blender/img/intern/IMG_Line.h b/source/blender/img/intern/IMG_Line.h deleted file mode 100644 index 0eb4a261d5f..00000000000 --- a/source/blender/img/intern/IMG_Line.h +++ /dev/null @@ -1,142 +0,0 @@ -/** - * $Id$ - * - * ***** BEGIN GPL/BL DUAL LICENSE BLOCK ***** - * - * 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. The Blender - * Foundation also sells licenses for use in proprietary software under - * the Blender License. See http://www.blender.org/BL/ for information - * about this. - * - * 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; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): none yet. - * - * ***** END GPL/BL DUAL LICENSE BLOCK ***** - * @author Maarten Gribnau - * @date March 12, 2001 - */ - -#ifndef _H_IMG_Line -#define _H_IMG_Line - -#include "IMG_Types.h" -#include <math.h> - -/** - * A line from a start to an end point. - * Used for drawing lines in images. - * @author Maarten Gribnau - * @date March 6, 2001 - */ - -class IMG_Line { -public: - - /** - * Constructs a line with the given values. - * @param xs start point x-coordinate - * @param ys start point y-coordinate - * @param xe end point x-coordinate - * @param ye end point y-coordinate - */ - IMG_Line(TInt32 xs=0, TInt32 ys=0, TInt32 xe=0, TInt32 ye=0) - : m_xs(xs), m_ys(ys), m_xe(xe), m_ye(ye) {} - - /** - * Copy constructor. - * @param l line to copy - */ - IMG_Line(const IMG_Line& l) - : m_xs(l.m_xs), m_ys(l.m_ys), m_xe(l.m_xe), m_ye(l.m_ye) {} - - /** - * Destructor. - */ - virtual ~IMG_Line() {}; - - /** - * Access to line length. - * @return length of the line. - */ - virtual inline float getLength() const; - - /** - * Sets all members of the line. - * @param xs start point x-coordinate - * @param ys start point y-coordinate - * @param xe end point x-coordinate - * @param ye end point y-coordinate - */ - virtual inline void set(TInt32 xs, TInt32 ys, TInt32 xe, TInt32 ye); - - /** - * Returns whether this line is empty. - * Empty line are lines that have length==0. - * @return boolean value (true==empty line) - */ - virtual inline bool isEmpty() const; - - /** - * Returns point at given value for line parameter. - * Calculates the coordinates of a point on the line. - * @param t line parameter value (0<=t<=1) of the point requested. - * @param x x-coordinate of the point. - * @param y y-coordinate of the point. - */ - virtual inline void getPoint(float t, TInt32& x, TInt32& y) const; - - /** Start point x-coordinate */ - TInt32 m_xs; - /** Start point y-coordinate */ - TInt32 m_ys; - /** End point x-coordinate */ - TInt32 m_xe; - /** End point y-coordinate */ - TInt32 m_ye; -}; - - -inline float IMG_Line::getLength() const -{ - TInt32 dx = m_xe - m_xs; - TInt32 dy = m_ye - m_ys; - return ((float)::sqrt(((float)dx)*dx + ((float)dy)*dy)); -} - - -inline void IMG_Line::set(TInt32 xs, TInt32 ys, TInt32 xe, TInt32 ye) -{ - m_xs = xs; m_ys = ys; m_xe = xe; m_ye = ye; -} - - -inline bool IMG_Line::isEmpty() const -{ - return (getLength() <= 0); -} - - -inline void IMG_Line::getPoint(float t, TInt32& x, TInt32& y) const -{ - x = (TInt32) (((float)m_xs) + (t * (m_xe - m_xs))); - y = (TInt32) (((float)m_ys) + (t * (m_ye - m_ys))); -} - -#endif // _H_IMG_Line - |