Port of Lotus Word Pro filter, by Fong Lin and Noel Power

1 files changed, 230 insertions, 0 deletions

diff --git a/lotuswordpro/source/filter/lwpsdwrect.cxx b/lotuswordpro/source/filter/lwpsdwrect.cxx
new file mode 100644
index 000000000000..de4d9d7ba55b
--- /dev/null
+++ b/lotuswordpro/source/filter/lwpsdwrect.cxx
@@ -0,0 +1,230 @@
+/*************************************************************************
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library 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 for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: IBM Corporation
+ *
+ *  Copyright: 2008 by IBM Corporation
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+/*****************************************************************************
+ * Change History
+ *  Mar 2005            Revised for lwpfilter
+ ****************************************************************************/
+/**
+ * @file
+ * For LWP filter architecture prototype
+ * Implementation file of SdwRectangle.
+ */
+#include "lwpsdwrect.hxx"
+
+/**************************************************************************
+ * @date:   11/19/2004
+ * @short:  Default constructor
+**************************************************************************/
+SdwRectangle::SdwRectangle() : m_bRotated(sal_False)
+{
+    for (UINT16 i = 0; i < 4; i++)
+    {
+        m_nRectCorner[0] = Point(0, 0);
+    }
+}
+/**************************************************************************
+ * @date:   11/19/2004
+ * @short:  Constructor
+ * @param:  aPt0~aPt3 four corner points of a rectangle.
+**************************************************************************/
+SdwRectangle::SdwRectangle(const Point& rPt0, const Point& rPt1,
+        const Point& rPt2, const Point& rPt3) : m_bRotated(sal_True)
+{
+    m_nRectCorner[0] = rPt0;
+    m_nRectCorner[1] = rPt1;
+    m_nRectCorner[2] = rPt2;
+    m_nRectCorner[3] = rPt3;
+
+    if (rPt0.Y() == rPt1.Y() && rPt0.Y() < rPt3.Y())
+    {
+        m_bRotated = sal_False;
+    }
+}
+
+/**************************************************************************
+ * @date:   12/15/2004
+ * @short:  Copy constructor
+**************************************************************************/
+SdwRectangle::SdwRectangle(const SdwRectangle& rOther)
+{
+    m_nRectCorner[0] = rOther.m_nRectCorner[0];
+    m_nRectCorner[1] = rOther.m_nRectCorner[1];
+    m_nRectCorner[2] = rOther.m_nRectCorner[2];
+    m_nRectCorner[3] = rOther.m_nRectCorner[3];
+
+    m_bRotated  = rOther.IsRectRotated();
+}
+/**************************************************************************
+ * @date:   11/19/2004
+ * @short:  Destructor
+**************************************************************************/
+SdwRectangle::~SdwRectangle()
+{
+}
+/**************************************************************************
+ * @date:   11/19/2004
+ * @short:  Get the flag whether if the rectangle has been rotated.
+ * @return: m_bRotated rotation flag.
+**************************************************************************/
+sal_Bool SdwRectangle::IsRectRotated() const
+{
+    return m_bRotated;
+}
+/**************************************************************************
+ * @date:   11/19/2004
+ * @short:  Calculate and return center point of the rectangle.
+ * @return: center point
+**************************************************************************/
+Point SdwRectangle::GetRectCenter() const
+{
+    long nX = (long)((double)(m_nRectCorner[0].X() + m_nRectCorner[2].X())/2 + 0.5);
+    long nY = (long)((double)(m_nRectCorner[0].Y() + m_nRectCorner[2].Y())/2 + 0.5);
+
+    return Point(nX, nY);
+}
+/**************************************************************************
+ * @date:   11/19/2004
+ * @short:  Calculate width of the rectangle.
+ * @return: rectangle width.
+**************************************************************************/
+long SdwRectangle::GetWidth() const
+{
+    long nX0 = m_nRectCorner[0].X();
+    long nY0 = m_nRectCorner[0].Y();
+    long nX1 = m_nRectCorner[1].X();
+    long nY1 = m_nRectCorner[1].Y();
+
+    return (long)CalcDistBetween2Points(nX0, nY0, nX1, nY1);
+}
+/**************************************************************************
+ * @date:   11/19/2004
+ * @short:  Calculate height of the rectangle.
+ * @return: rectangle height.
+**************************************************************************/
+long SdwRectangle::GetHeight() const
+{
+    long nX1 = m_nRectCorner[1].X();
+    long nY1 = m_nRectCorner[1].Y();
+    long nX2 = m_nRectCorner[2].X();
+    long nY2 = m_nRectCorner[2].Y();
+
+    return (long)CalcDistBetween2Points(nX1, nY1, nX2, nY2);
+}
+/**************************************************************************
+ * @date:   11/19/2004
+ * @short:  Calculate coordinate of the original rectangle.
+ * @return: a prz rectangle
+**************************************************************************/
+Rectangle SdwRectangle::GetOriginalRect() const
+{
+    if (m_bRotated)
+    {
+        long nHeight = GetHeight();
+        long nWidth = GetWidth();
+        Point aCenter = GetRectCenter();
+
+        Point aLT(aCenter.X()-(long)((double)nWidth/2+0.5),
+            aCenter.Y()-(long)((double)nHeight/2+0.5));
+        Point aRT(aLT.X()+nWidth, aLT.Y());
+        Point aLB(aLT.X(), aLT.Y()-nHeight);
+        Point aRB(aLT.X()+nWidth, aLT.Y()+nHeight);
+
+        return Rectangle(aLT, aRB);
+    }
+    else
+    {
+        return Rectangle(m_nRectCorner[3], m_nRectCorner[1]);
+    }
+}
+/**************************************************************************
+ * @date:   11/19/2004
+ * @short:  Calculate rotation angle of the rectangle.
+ * @return: rotation angle.
+**************************************************************************/
+double SdwRectangle::GetRotationAngle() const
+{
+    if (!m_bRotated)
+    {
+        return 0.00;
+    }
+
+    double fX1 = (double)(m_nRectCorner[1].X());
+    double fY1 = (double)(m_nRectCorner[1].Y());
+    double fX2 = (double)(m_nRectCorner[2].X());
+    double fY2 = (double)(m_nRectCorner[2].Y());
+    double fMidX = (fX1 + fX2) / 2;
+    double fMidY = (fY1 + fY2) / 2;
+
+    Point aCenter = GetRectCenter();
+    double fCenterX = (double)aCenter.X();
+    double fCenterY = (double)aCenter.Y();
+
+    double fAngle = atan2((fMidY - fCenterY), (fMidX - fCenterX));
+
+    return -fAngle;
+}
+
+double SdwRectangle::CalcDistBetween2Points(long nX1, long nY1, long nX2, long nY2)
+{
+    return sqrt((double)((nX1-nX2)*(nX1-nX2) + (nY1-nY2)*(nY1-nY2)));
+}
+
+Rectangle SdwRectangle::GetOriginalRect(const Point& rCenter, long nHalfWidth, long nHalfHeight)
+{
+    Point aLT(rCenter.X()-nHalfWidth, rCenter.Y()-nHalfHeight);
+    Point aRB(rCenter.X()+nHalfWidth, rCenter.Y()+nHalfHeight);
+
+    return Rectangle(aLT, aRB);
+}