303 lines
9.9 KiB
C++
303 lines
9.9 KiB
C++
/*************************************************************************
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*
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* $RCSfile: rect.hxx,v $
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*
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* $Revision: 1.3 $
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*
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* last change: $Author: obo $ $Date: 2004-08-11 15:06:47 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef RECT_HXX
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#define RECT_HXX
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#include <new.h>
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#ifndef _GEN_HXX //autogen
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#include <tools/gen.hxx>
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#endif
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#ifndef _SV_OUTDEV_HXX //autogen
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#include <vcl/outdev.hxx>
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#endif
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#ifndef _SV_METRIC_HXX //autogen
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#include <vcl/metric.hxx>
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#endif
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#ifndef _TOOLS_DEBUG_HXX //autogen
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#include <tools/debug.hxx>
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#endif
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#include "format.hxx"
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BOOL SmGetGlyphBoundRect(const OutputDevice &rDev,
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const XubString &rText, Rectangle &rRect);
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BOOL SmIsMathAlpha(const XubString &rText);
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inline long SmFromTo(long nFrom, long nTo, double fRelDist)
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{
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return nFrom + (long) (fRelDist * (nTo - nFrom));
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}
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////////////////////////////////////////
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// SmRect
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// ... (to be done)
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// This Implementation assumes that the x-axis points to the right and the
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// y-axis to the bottom.
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// Note: however, italic spaces can be negative!
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//
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// possible flags for the 'Draw' function below (just for debugging)
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#define SM_RECT_CORE 0x0001
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#define SM_RECT_ITALIC 0x0002
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#define SM_RECT_LINES 0x0004
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#define SM_RECT_MID 0x0008
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// possible positions and alignments for the 'AlignTo' function
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enum RectPos
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// (RP_LEFT : align the current object to the left of the argument, ...)
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{ RP_LEFT, RP_RIGHT,
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RP_TOP, RP_BOTTOM,
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RP_ATTRIBUT
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};
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enum RectHorAlign
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{ RHA_LEFT, RHA_CENTER, RHA_RIGHT
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};
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enum RectVerAlign
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{ RVA_TOP, RVA_MID, RVA_BOTTOM, RVA_BASELINE, RVA_CENTERY,
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RVA_ATTRIBUT_HI, RVA_ATTRIBUT_MID, RVA_ATTRIBUT_LO
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};
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// different methods of copying baselines and mid's in 'ExtendBy' function
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enum RectCopyMBL
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{ RCP_THIS, // keep baseline of current object even if it has none
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RCP_ARG, // as above but for the argument
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RCP_NONE, // result will have no baseline
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RCP_XOR // if current object has a baseline keep it else copy
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// the arguments baseline (even if it has none)
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};
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class SmRect
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{
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Point aTopLeft;
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Size aSize;
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long nBaseline,
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nAlignT,
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nAlignM,
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nAlignB,
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nGlyphTop,
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nGlyphBottom,
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nItalicLeftSpace,
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nItalicRightSpace,
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nLoAttrFence,
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nHiAttrFence;
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USHORT nBorderWidth;
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BOOL bHasBaseline,
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bHasAlignInfo;
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protected:
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void BuildRect (const OutputDevice &rDev, const SmFormat *pFormat,
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const XubString &rText, USHORT nBorderWidth);
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void Init(const OutputDevice &rDev, const SmFormat *pFormat,
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const XubString &rText, USHORT nBorderWidth);
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void ClearBaseline() { bHasBaseline = FALSE; };
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inline void CopyMBL(const SmRect& rRect);
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void CopyAlignInfo(const SmRect& rRect);
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SmRect & Union(const SmRect &rRect);
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public:
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SmRect();
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SmRect(const OutputDevice &rDev, const SmFormat *pFormat,
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const XubString &rText, long nBorderWidth);
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SmRect(long nWidth, long nHeight);
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SmRect(const SmRect &rRect);
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USHORT GetBorderWidth() const { return nBorderWidth; }
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void SetItalicSpaces(long nLeftSpace, long nRightSpace);
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void SetWidth(ULONG nWidth) { aSize.Width() = nWidth; }
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void SetHeight(ULONG nHeight) { aSize.Height() = nHeight; }
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void SetLeft(long nLeft);
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void SetRight(long nRight);
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void SetBottom(long nBottom);
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void SetTop(long nTop);
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const Point & GetTopLeft() const { return aTopLeft; }
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long GetTop() const { return GetTopLeft().Y(); }
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long GetLeft() const { return GetTopLeft().X(); }
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long GetBottom() const { return GetTop() + GetHeight() - 1; }
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long GetRight() const { return GetLeft() + GetWidth() - 1; }
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long GetCenterX() const { return (GetLeft() + GetRight()) / 2L; }
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long GetCenterY() const { return (GetTop() + GetBottom()) / 2L; }
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long GetWidth() const { return GetSize().Width(); }
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long GetHeight() const { return GetSize().Height(); }
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long GetItalicLeftSpace() const { return nItalicLeftSpace; }
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long GetItalicRightSpace() const { return nItalicRightSpace; }
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void SetHiAttrFence(long nVal) { nHiAttrFence = nVal; }
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void SetLoAttrFence(long nVal) { nLoAttrFence = nVal; }
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long GetHiAttrFence() const { return nHiAttrFence; }
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long GetLoAttrFence() const { return nLoAttrFence; }
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long GetItalicLeft() const { return GetLeft() - GetItalicLeftSpace(); }
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long GetItalicCenterX() const { return (GetItalicLeft() + GetItalicRight()) / 2; }
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long GetItalicRight() const { return GetRight() + GetItalicRightSpace(); }
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long GetItalicWidth() const { return GetWidth() + GetItalicLeftSpace() + GetItalicRightSpace(); }
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BOOL HasBaseline() const { return bHasBaseline; }
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inline long GetBaseline() const;
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long GetBaselineOffset() const { return GetBaseline() - GetTop(); }
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void SetAlignTop(long nVal) { nAlignT = nVal; }
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long GetAlignT() const { return nAlignT; }
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long GetAlignM() const { return nAlignM; }
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long GetAlignB() const { return nAlignB; }
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void SetAlignT(long nVal) { nAlignT = nVal; }
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const Point GetCenter() const
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{ return Point(GetCenterX(), GetCenterY()); }
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const Size & GetSize() const { return aSize; }
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const Size GetItalicSize() const
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{ return Size(GetItalicWidth(), GetHeight()); }
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void Move (const Point &rPosition);
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void MoveTo(const Point &rPosition) { Move(rPosition - GetTopLeft()); }
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BOOL IsEmpty() const
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{
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return GetWidth() == 0 || GetHeight() == 0;
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}
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BOOL HasAlignInfo() const { return bHasAlignInfo; }
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const Point AlignTo(const SmRect &rRect, RectPos ePos,
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RectHorAlign eHor, RectVerAlign eVer) const;
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SmRect & ExtendBy(const SmRect &rRect, RectCopyMBL eCopyMode);
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SmRect & ExtendBy(const SmRect &rRect, RectCopyMBL eCopyMode,
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long nNewAlignM);
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SmRect & ExtendBy(const SmRect &rRect, RectCopyMBL eCopyMode,
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BOOL bKeepVerAlignParams);
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long OrientedDist(const Point &rPoint) const;
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BOOL IsInsideRect(const Point &rPoint) const;
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BOOL IsInsideItalicRect(const Point &rPoint) const;
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inline SmRect & operator = (const SmRect &rRect);
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inline Rectangle AsRectangle() const;
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SmRect AsGlyphRect() const;
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void Draw(OutputDevice &rDev, const Point &rPosition, int nFlags) const;
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};
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inline void SmRect::SetItalicSpaces(long nLeftSpace, long nRightSpace)
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// set extra spacing to the left and right for (italic)
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// letters/text
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{
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nItalicLeftSpace = nLeftSpace;
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nItalicRightSpace = nRightSpace;
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}
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inline void SmRect::CopyMBL(const SmRect &rRect)
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// copy AlignM baseline and value of 'rRect'
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{
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nBaseline = rRect.nBaseline;
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bHasBaseline = rRect.bHasBaseline;
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nAlignM = rRect.nAlignM;
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}
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inline long SmRect::GetBaseline() const
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{
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DBG_ASSERT(HasBaseline(), "Sm: Baseline nicht vorhanden");
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return nBaseline;
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}
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inline SmRect & SmRect::operator = (const SmRect &rRect)
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{
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new (this) SmRect(rRect); // placement new
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return *this;
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}
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inline Rectangle SmRect::AsRectangle() const
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{
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return Rectangle(Point(GetItalicLeft(), GetTop()), GetItalicSize());
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}
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#endif
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