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43a9213ec3eb5ed4ef97cea0ca640ab022464a13
libreoffice/starmath/source/node.cxx
Oliver Bolte 43a9213ec3 INTEGRATION: CWS tlapi2 (1.29.10); FILE MERGED 
2003/11/12 15:23:58 tl 1.29.10.1: #i21741# font size problem in SmSpecialNode fixed
2004-01-20 12:24:58 +00:00

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86 KiB
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/*************************************************************************
*
* $RCSfile: node.cxx,v $
*
* $Revision: 1.31 $
*
* last change: $Author: obo $ $Date: 2004-01-20 13:24:58 $
*
* 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: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#pragma hdrstop
#define APPEND(str,ascii) str.AppendAscii(RTL_CONSTASCII_STRINGPARAM(ascii))
#ifndef _SV_GEN_HXX //autogen
#include <tools/gen.hxx>
#endif
#ifndef _FRACT_HXX //autogen
#include <tools/fract.hxx>
#endif
#ifndef INCLUDED_RTL_MATH_HXX
#include <rtl/math.hxx>
#endif
#ifndef _TOOLS_COLOR_HXX
#include <tools/color.hxx>
#endif
#ifndef _SV_METRIC_HXX //autogen
#include <vcl/metric.hxx>
#endif
#ifndef _SV_LINEINFO_HXX
#include <vcl/lineinfo.hxx>
#endif
#ifndef _SV_OUTDEV_HXX //autogen
#include <vcl/outdev.hxx>
#endif
#ifndef _SFXMODULE_HXX //autogen
#include <sfx2/module.hxx>
#endif
#ifndef NODE_HXX
#include "node.hxx"
#endif
#ifndef RECT_HXX
#include <rect.hxx>
#endif
#ifndef SYMBOL_HXX
#include "symbol.hxx"
#endif
#ifndef _SMMOD_HXX
#include "smmod.hxx"
#endif
#ifndef DOCUMENT_HXX
#include <document.hxx>
#endif
#ifndef VIEW_HXX
#include <view.hxx>
#endif
#ifndef _MATHTYPE_HXX
#include "mathtype.hxx"
#endif
#include <math.h>
#include <float.h>
// define this to draw rectangles for debugging
//#define SM_RECT_DEBUG
////////////////////////////////////////
// SmTmpDevice
// Allows for font and color changes. The original settings will be restored
// in the destructor.
// It's main purpose is to allow for the "const" in the 'OutputDevice'
// argument in the 'Arrange' functions and restore changes made in the 'Draw'
// functions.
// Usually a MapMode of 1/100th mm will be used.
//
class SmTmpDevice
{
OutputDevice &rOutDev;
// disallow use of copy-constructor and assignment-operator
SmTmpDevice(const SmTmpDevice &rTmpDev);
SmTmpDevice & operator = (const SmTmpDevice &rTmpDev);
Color Impl_GetColor( const Color& rColor );
public:
SmTmpDevice(OutputDevice &rTheDev, BOOL bUseMap100th_mm);
~SmTmpDevice() { rOutDev.Pop(); }
void SetFont(const Font &rNewFont);
void SetLineColor( const Color& rColor ) { rOutDev.SetLineColor( Impl_GetColor(rColor) ); }
void SetFillColor( const Color& rColor ) { rOutDev.SetFillColor( Impl_GetColor(rColor) ); }
void SetTextColor( const Color& rColor ) { rOutDev.SetTextColor( Impl_GetColor(rColor) ); }
operator OutputDevice & () { return rOutDev; }
};
SmTmpDevice::SmTmpDevice(OutputDevice &rTheDev, BOOL bUseMap100th_mm) :
rOutDev(rTheDev)
{
rOutDev.Push( PUSH_FONT | PUSH_MAPMODE |
PUSH_LINECOLOR | PUSH_FILLCOLOR | PUSH_TEXTCOLOR );
if (bUseMap100th_mm && MAP_100TH_MM != rOutDev.GetMapMode().GetMapUnit())
{
DBG_ERROR( "incorrect MapMode?" );
rOutDev.SetMapMode( MAP_100TH_MM ); //Immer fuer 100% fomatieren
}
}
Color SmTmpDevice::Impl_GetColor( const Color& rColor )
{
ColorData nNewCol = rColor.GetColor();
if (COL_AUTO == nNewCol)
{
if (OUTDEV_PRINTER == rOutDev.GetOutDevType())
nNewCol = COL_BLACK;
else
{
Color aBgCol( rOutDev.GetBackground().GetColor() );
if (OUTDEV_WINDOW == rOutDev.GetOutDevType())
aBgCol = ((Window &) rOutDev).GetDisplayBackground().GetColor();
nNewCol = SM_MOD1()->GetColorConfig().GetColorValue(svtools::FONTCOLOR).nColor;
Color aTmpColor( nNewCol );
if (aBgCol.IsDark() && aTmpColor.IsDark())
nNewCol = COL_WHITE;
else if (aBgCol.IsBright() && aTmpColor.IsBright())
nNewCol = COL_BLACK;
}
}
return Color( nNewCol );
}
void SmTmpDevice::SetFont(const Font &rNewFont)
{
rOutDev.SetFont( rNewFont );
rOutDev.SetTextColor( Impl_GetColor( rNewFont.GetColor() ) );
}
///////////////////////////////////////////////////////////////////////////
SmNode::SmNode(SmNodeType eNodeType, const SmToken &rNodeToken)
{
eType = eNodeType;
eScaleMode = SCALE_NONE;
aNodeToken = rNodeToken;
nAccIndex = -1;
}
SmNode::~SmNode()
{
}
BOOL SmNode::IsVisible() const
{
return FALSE;
}
USHORT SmNode::GetNumSubNodes() const
{
return 0;
}
SmNode * SmNode::GetSubNode(USHORT nIndex)
{
return NULL;
}
SmNode * SmNode::GetLeftMost()
// returns leftmost node of current subtree.
//! (this assumes the one with index 0 is always the leftmost subnode
//! for the current node).
{
SmNode *pNode = GetNumSubNodes() > 0 ?
GetSubNode(0) : NULL;
return pNode ? pNode->GetLeftMost() : this;
}
void SmNode::SetPhantom(BOOL bIsPhantomP)
{
if (! (Flags() & FLG_VISIBLE))
bIsPhantom = bIsPhantomP;
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
pNode->SetPhantom(bIsPhantom);
}
void SmNode::SetColor(const Color& rColor)
{
if (! (Flags() & FLG_COLOR))
GetFont().SetColor(rColor);
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
pNode->SetColor(rColor);
}
void SmNode::SetAttribut(USHORT nAttrib)
{
if ( nAttrib == ATTR_BOLD && !(Flags() & FLG_BOLD)
|| nAttrib == ATTR_ITALIC && !(Flags() & FLG_ITALIC))
nAttributes |= nAttrib;
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
pNode->SetAttribut(nAttrib);
}
void SmNode::ClearAttribut(USHORT nAttrib)
{
if ( nAttrib == ATTR_BOLD && !(Flags() & FLG_BOLD)
|| nAttrib == ATTR_ITALIC && !(Flags() & FLG_ITALIC))
nAttributes &= ~nAttrib;
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
pNode->ClearAttribut(nAttrib);
}
void SmNode::SetFont(const SmFace &rFace)
{
if (!(Flags() & FLG_FONT))
GetFont() = rFace;
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
pNode->SetFont(rFace);
}
void SmNode::SetFontSize(const Fraction &rSize, USHORT nType)
//! 'rSize' is in units of pts
{
Size aSize;
if (!(Flags() & FLG_SIZE))
{
Fraction aVal (SmPtsTo100th_mm(rSize.GetNumerator()),
rSize.GetDenominator());
//long nHeight = ::rtl::math::round(aVal);
long nHeight = (long)aVal;
aSize = GetFont().GetSize();
aSize.Width() = 0;
switch(nType)
{
case FNTSIZ_ABSOLUT:
aSize.Height() = nHeight;
break;
case FNTSIZ_PLUS:
aSize.Height() += nHeight;
break;
case FNTSIZ_MINUS:
aSize.Height() -= nHeight;
break;
case FNTSIZ_MULTIPLY:
aSize.Height() = (long) (Fraction(aSize.Height()) * rSize);
break;
case FNTSIZ_DIVIDE:
if (rSize != Fraction(0L))
aSize.Height() = (long) (Fraction(aSize.Height()) / rSize);
break;
}
// check the requested size against maximum value
static int __READONLY_DATA nMaxVal = SmPtsTo100th_mm(128);
if (aSize.Height() > nMaxVal)
aSize.Height() = nMaxVal;
GetFont().SetSize(aSize);
}
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
pNode->SetFontSize(rSize, nType);
}
void SmNode::SetSize(const Fraction &rSize)
{
GetFont() *= rSize;
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
pNode->SetSize(rSize);
}
void SmNode::SetRectHorAlign(RectHorAlign eHorAlign, BOOL bApplyToSubTree )
{
if (!(Flags() & FLG_HORALIGN))
eRectHorAlign = eHorAlign;
if (bApplyToSubTree)
{
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
pNode->SetRectHorAlign(eHorAlign);
}
}
void SmNode::PrepareAttributes()
{
GetFont().SetWeight((Attributes() & ATTR_BOLD) ? WEIGHT_BOLD : WEIGHT_NORMAL);
GetFont().SetItalic((Attributes() & ATTR_ITALIC) ? ITALIC_NORMAL : ITALIC_NONE);
}
void SmNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell)
{
#if OSL_DEBUG_LEVEL > 1
bIsDebug = TRUE;
#else
bIsDebug = FALSE;
#endif
bIsPhantom = FALSE;
nFlags = 0;
nAttributes = 0;
switch (rFormat.GetHorAlign())
{ case AlignLeft: eRectHorAlign = RHA_LEFT; break;
case AlignCenter: eRectHorAlign = RHA_CENTER; break;
case AlignRight: eRectHorAlign = RHA_RIGHT; break;
}
GetFont() = rFormat.GetFont(FNT_MATH);
//GetFont().SetCharSet(RTL_TEXTENCODING_SYMBOL);
DBG_ASSERT( GetFont().GetCharSet() == RTL_TEXTENCODING_UNICODE,
"unexpected CharSet" );
GetFont().SetWeight(WEIGHT_NORMAL);
GetFont().SetItalic(ITALIC_NONE);
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
pNode->Prepare(rFormat, rDocShell);
}
void SmNode::ToggleDebug() const
// toggle 'bIsDebug' in current subtree
{
#if OSL_DEBUG_LEVEL > 1
SmNode *pThis = (SmNode *) this;
pThis->bIsDebug = bIsDebug ? FALSE : TRUE;
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
for (USHORT i = 0; i < nSize; i++)
if (pNode = pThis->GetSubNode(i))
pNode->ToggleDebug();
#endif
}
void SmNode::Move(const Point& rPosition)
{
if (rPosition.X() == 0 && rPosition.Y() == 0)
return;
SmRect::Move(rPosition);
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
pNode->Move(rPosition);
}
void SmNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
pNode->Arrange(rDev, rFormat);
}
void SmNode::CreateTextFromNode(String &rText)
{
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
if (nSize > 1)
rText.Append('{');
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
pNode->CreateTextFromNode(rText);
if (nSize > 1)
{
rText.EraseTrailingChars();
APPEND(rText,"} ");
}
}
void SmNode::AdaptToX(const OutputDevice &rDev, ULONG nWidth)
{
}
void SmNode::AdaptToY(const OutputDevice &rDev, ULONG nHeight)
{
}
void SmNode::Draw(OutputDevice &rDev, const Point &rPosition) const
{
if (IsPhantom())
return;
const SmNode *pNode;
USHORT nSize = GetNumSubNodes();
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
{ Point aOffset (pNode->GetTopLeft() - GetTopLeft());
pNode->Draw(rDev, rPosition + aOffset);
}
#ifdef SM_RECT_DEBUG
if (!IsDebug())
return;
int nRFlags = SM_RECT_CORE | SM_RECT_ITALIC | SM_RECT_LINES | SM_RECT_MID;
SmRect::Draw(rDev, rPosition, nRFlags);
#endif
}
const SmNode * SmNode::FindTokenAt(USHORT nRow, USHORT nCol) const
// returns (first) ** visible ** (sub)node with the tokens text at
// position 'nRow', 'nCol'.
//! (there should be exactly one such node if any)
{
if ( IsVisible()
&& nRow == GetToken().nRow
&& nCol >= GetToken().nCol && nCol < GetToken().nCol + GetToken().aText.Len())
return this;
else
{
USHORT nNumSubNodes = GetNumSubNodes();
for (USHORT i = 0; i < nNumSubNodes; i++)
{ const SmNode *pNode = GetSubNode(i);
if (!pNode)
continue;
const SmNode *pResult = pNode->FindTokenAt(nRow, nCol);
if (pResult)
return pResult;
}
}
return 0;
}
const SmNode * SmNode::FindRectClosestTo(const Point &rPoint) const
{
long nDist = LONG_MAX;
const SmNode *pResult = 0;
if (IsVisible())
pResult = this;
else
{
USHORT nNumSubNodes = GetNumSubNodes();
for (USHORT i = 0; i < nNumSubNodes; i++)
{ const SmNode *pNode = GetSubNode(i);
if (!pNode)
continue;
long nTmp;
const SmNode *pFound = pNode->FindRectClosestTo(rPoint);
if (pFound && (nTmp = pFound->OrientedDist(rPoint)) < nDist)
{ nDist = nTmp;
pResult = pFound;
// quit immediately if 'rPoint' is inside the *should not
// overlap with other rectangles* part.
// This (partly) serves for getting the attributes in eg
// "bar overstrike a".
// ('nDist < 0' is used as *quick shot* to avoid evaluation of
// the following expression, where the result is already determined)
if (nDist < 0 && pFound->IsInsideRect(rPoint))
break;
}
}
}
return pResult;
}
void SmNode::GetAccessibleText( String &rText ) const
{
DBG_ERROR( "SmNode: GetAccessibleText not overloaded" );
}
const SmNode * SmNode::FindNodeWithAccessibleIndex(xub_StrLen nAccIndex) const
{
const SmNode *pResult = 0;
sal_Int32 nIdx = GetAccessibleIndex();
String aTxt;
if (nIdx >= 0)
GetAccessibleText( aTxt ); // get text if used in following 'if' statement
if (nIdx >= 0
&& nIdx <= nAccIndex && nAccIndex < nIdx + aTxt.Len())
pResult = this;
else
{
USHORT nNumSubNodes = GetNumSubNodes();
for (USHORT i = 0; i < nNumSubNodes; i++)
{
const SmNode *pNode = GetSubNode(i);
if (!pNode)
continue;
pResult = pNode->FindNodeWithAccessibleIndex(nAccIndex);
if (pResult)
return pResult;
}
}
return pResult;
}
///////////////////////////////////////////////////////////////////////////
SmStructureNode::SmStructureNode( const SmStructureNode &rNode ) :
SmNode( rNode.GetType(), rNode.GetToken() )
{
ULONG i;
for (i = 0; i < aSubNodes.GetSize(); i++)
delete aSubNodes.Get(i);
aSubNodes.Clear();
ULONG nSize = rNode.aSubNodes.GetSize();
aSubNodes.SetSize( nSize );
for (i = 0; i < nSize; ++i)
{
SmNode *pNode = rNode.aSubNodes.Get(i);
aSubNodes.Put( i, pNode ? new SmNode( *pNode ) : 0 );
}
}
SmStructureNode::~SmStructureNode()
{
SmNode *pNode;
for (USHORT i = 0; i < GetNumSubNodes(); i++)
if (pNode = GetSubNode(i))
delete pNode;
}
SmStructureNode & SmStructureNode::operator = ( const SmStructureNode &rNode )
{
SmNode::operator = ( rNode );
ULONG i;
for (i = 0; i < aSubNodes.GetSize(); i++)
delete aSubNodes.Get(i);
aSubNodes.Clear();
ULONG nSize = rNode.aSubNodes.GetSize();
aSubNodes.SetSize( nSize );
for (i = 0; i < nSize; ++i)
{
SmNode *pNode = rNode.aSubNodes.Get(i);
aSubNodes.Put( i, pNode ? new SmNode( *pNode ) : 0 );
}
return *this;
}
void SmStructureNode::SetSubNodes(SmNode *pFirst, SmNode *pSecond, SmNode *pThird)
{
if (pFirst)
aSubNodes.Put(0, pFirst);
if (pSecond)
aSubNodes.Put(1, pSecond);
if (pThird)
aSubNodes.Put(2, pThird);
}
void SmStructureNode::SetSubNodes(const SmNodeArray &rNodeArray)
{
aSubNodes = rNodeArray;
}
BOOL SmStructureNode::IsVisible() const
{
return FALSE;
}
USHORT SmStructureNode::GetNumSubNodes() const
{
return (USHORT) aSubNodes.GetSize();
}
SmNode * SmStructureNode::GetSubNode(USHORT nIndex)
{
return aSubNodes.Get(nIndex);
}
void SmStructureNode::GetAccessibleText( String &rText ) const
{
USHORT nNodes = GetNumSubNodes();
for (USHORT i = 0; i < nNodes; ++i)
{
const SmNode *pNode = ((SmStructureNode *) this)->GetSubNode(i);
if (pNode)
{
if (pNode->IsVisible())
((SmStructureNode *) pNode)->nAccIndex = rText.Len();
pNode->GetAccessibleText( rText );
// if (rText.Len() && ' ' != rText.GetChar( rText.Len() - 1 ))
// rText += String::CreateFromAscii( " " );
}
}
}
///////////////////////////////////////////////////////////////////////////
BOOL SmVisibleNode::IsVisible() const
{
return TRUE;
}
USHORT SmVisibleNode::GetNumSubNodes() const
{
return 0;
}
SmNode * SmVisibleNode::GetSubNode(USHORT nIndex)
{
return NULL;
}
///////////////////////////////////////////////////////////////////////////
void SmGraphicNode::GetAccessibleText( String &rText ) const
{
rText += GetToken().aText;
}
///////////////////////////////////////////////////////////////////////////
void SmExpressionNode::CreateTextFromNode(String &rText)
{
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
if (nSize > 1)
rText.Append('{');
for (USHORT i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
{
pNode->CreateTextFromNode(rText);
//Just a bit of foo to make unary +asd -asd +-asd -+asd look nice
if (pNode->GetType() == NMATH)
if ((nSize != 2) || ((rText.GetChar(rText.Len()-1) != '+') &&
(rText.GetChar(rText.Len()-1) != '-')))
rText.Append(' ');
}
if (nSize > 1)
{
rText.EraseTrailingChars();
APPEND(rText,"} ");
}
}
///////////////////////////////////////////////////////////////////////////
void SmTableNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
// arranges all subnodes in one column
{
Point rPosition;
USHORT nWidth = 0;
USHORT nHeight = 0;
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
// make distance depend on font size
long nDist = +(rFormat.GetDistance(DIS_VERTICAL)
* GetFont().GetSize().Height()) / 100L;
if (nSize < 1)
return;
// arrange subnodes and get maximum width of them
long nMaxWidth = 0,
nTmp;
USHORT i;
for (i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
{ pNode->Arrange(rDev, rFormat);
if ((nTmp = pNode->GetItalicWidth()) > nMaxWidth)
nMaxWidth = nTmp;
}
Point aPos;
SmRect::operator = (SmRect(nMaxWidth, 0));
for (i = 0; i < nSize; i++)
{ if (pNode = GetSubNode(i))
{ const SmRect &rNodeRect = pNode->GetRect();
const SmNode *pCoNode = pNode->GetLeftMost();
SmTokenType eType = pCoNode->GetToken().eType;
RectHorAlign eHorAlign = pCoNode->GetRectHorAlign();
aPos = rNodeRect.AlignTo(*this, RP_BOTTOM,
eHorAlign, RVA_BASELINE);
if (i)
aPos.Y() += nDist;
pNode->MoveTo(aPos);
ExtendBy(rNodeRect, nSize > 1 ? RCP_NONE : RCP_ARG);
}
}
}
SmNode * SmTableNode::GetLeftMost()
{
return this;
}
/**************************************************************************/
void SmLineNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell)
{
SmNode::Prepare(rFormat, rDocShell);
//! wir verwenden hier den 'FNT_VARIABLE' Font, da er vom Ascent und Descent
//! ia besser zum Rest der Formel passt als der 'FNT_MATH' Font.
GetFont() = rFormat.GetFont(FNT_VARIABLE);
Flags() |= FLG_FONT;
}
/**************************************************************************/
void SmLineNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
// arranges all subnodes in one row with some extra space between
{
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
USHORT i;
for (i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
pNode->Arrange(rDev, rFormat);
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
// provide an empty rectangle with alignment parameters for the "current"
// font (in order to make "a^1 {}_2^3 a_4" work correct, that is, have the
// same sub-/supscript positions.)
//! be sure to use a character that has explicitly defined HiAttribut
//! line in rect.cxx such as 'a' in order to make 'vec a' look same to
//! 'vec {a}'.
SmRect::operator = (SmRect(aTmpDev, &rFormat, C2S("a"),
GetFont().GetBorderWidth()));
// make sure that the rectangle occupies (almost) no space
SetWidth(1);
SetItalicSpaces(0, 0);
if (nSize < 1)
return;
// make distance depend on font size
long nDist = +(rFormat.GetDistance(DIS_HORIZONTAL)
* GetFont().GetSize().Height()) / 100L;
Point aPos;
for (i = 0; i < nSize; i++)
if (pNode = GetSubNode(i))
{
aPos = pNode->AlignTo(*this, RP_RIGHT, RHA_CENTER, RVA_BASELINE);
// no horizontal space before first node
if (i)
aPos.X() += nDist;
pNode->MoveTo(aPos);
ExtendBy( *pNode, RCP_XOR );
}
}
/**************************************************************************/
void SmExpressionNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
// as 'SmLineNode::Arrange' but keeps alignment of leftmost subnode
{
DBG_ASSERT(GetNumSubNodes() > 0, "Sm: keine subnodes");
SmLineNode::Arrange(rDev, rFormat);
// copy alignment of leftmost subnode if any
SmNode *pNode = GetLeftMost();
if (pNode)
SetRectHorAlign(pNode->GetRectHorAlign(), FALSE);
}
/**************************************************************************/
void SmUnHorNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
BOOL bIsPostfix = GetToken().eType == TFACT;
SmNode *pOper = GetSubNode(bIsPostfix ? 1 : 0),
*pBody = GetSubNode(bIsPostfix ? 0 : 1);
DBG_ASSERT(pOper, "Sm: NULL pointer");
DBG_ASSERT(pBody, "Sm: NULL pointer");
pOper->SetSize(Fraction (rFormat.GetRelSize(SIZ_OPERATOR), 100));
pOper->Arrange(rDev, rFormat);
pBody->Arrange(rDev, rFormat);
Point aPos = pOper->AlignTo(*pBody, bIsPostfix ? RP_RIGHT : RP_LEFT,
RHA_CENTER, RVA_BASELINE);
// add a bit space between operator and argument
// (worst case -{1 over 2} where - and over have almost no space inbetween)
long nDelta = pOper->GetFont().GetSize().Height() / 20;
if (bIsPostfix)
aPos.X() += nDelta;
else
aPos.X() -= nDelta;
pOper->MoveTo(aPos);
SmRect::operator = (*pBody);
long nOldBot = GetBottom();
ExtendBy(*pOper, RCP_XOR);
// workaround for Bug 50865: "a^2 a^+2" have different baselines
// for exponents (if size of exponent is large enough)
SetBottom(nOldBot);
}
/**************************************************************************/
void SmRootNode::GetHeightVerOffset(const SmRect &rRect,
long &rHeight, long &rVerOffset) const
// calculate height and vertical offset of root sign suitable for 'rRect'
{
rVerOffset = (rRect.GetBottom() - rRect.GetAlignB()) / 2;
rHeight = rRect.GetHeight() - rVerOffset;
DBG_ASSERT(rHeight >= 0, "Sm : Ooops...");
DBG_ASSERT(rVerOffset >= 0, "Sm : Ooops...");
}
Point SmRootNode::GetExtraPos(const SmRect &rRootSymbol,
const SmRect &rExtra) const
{
const Size &rSymSize = rRootSymbol.GetSize();
Point aPos = rRootSymbol.GetTopLeft()
+ Point((rSymSize.Width() * 70) / 100,
(rSymSize.Height() * 52) / 100);
// from this calculate topleft edge of 'rExtra'
aPos.X() -= rExtra.GetWidth() + rExtra.GetItalicRightSpace();
aPos.Y() -= rExtra.GetHeight();
// if there's enough space move a bit less to the right
// examples: "nroot i a", "nroot j a"
// (it looks better if we don't use italic-spaces here)
long nX = rRootSymbol.GetLeft() + (rSymSize.Width() * 30) / 100;
if (aPos.X() > nX)
aPos.X() = nX;
return aPos;
}
void SmRootNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
//! pExtra needs to have the smaller index than pRootSym in order to
//! not to get the root symbol but the pExtra when clicking on it in the
//! GraphicWindow. (That is because of the simplicity of the algorithm
//! that finds the node corresponding to a mouseclick in the window.)
SmNode *pExtra = GetSubNode(0),
*pRootSym = GetSubNode(1),
*pBody = GetSubNode(2);
DBG_ASSERT(pRootSym, "Sm: NULL pointer");
DBG_ASSERT(pBody, "Sm: NULL pointer");
pBody->Arrange(rDev, rFormat);
long nHeight,
nVerOffset;
GetHeightVerOffset(*pBody, nHeight, nVerOffset);
nHeight += rFormat.GetDistance(DIS_ROOT)
* GetFont().GetSize().Height() / 100L;
// font specialist advised to change the width first
pRootSym->AdaptToY(rDev, nHeight);
pRootSym->AdaptToX(rDev, pBody->GetItalicWidth());
pRootSym->Arrange(rDev, rFormat);
Point aPos = pRootSym->AlignTo(*pBody, RP_LEFT, RHA_CENTER, RVA_BASELINE);
//! overrride calulated vertical position
aPos.Y() = pRootSym->GetTop() + pBody->GetBottom() - pRootSym->GetBottom();
aPos.Y() -= nVerOffset;
pRootSym->MoveTo(aPos);
if (pExtra)
{ pExtra->SetSize(Fraction(rFormat.GetRelSize(SIZ_INDEX), 100));
pExtra->Arrange(rDev, rFormat);
aPos = GetExtraPos(*pRootSym, *pExtra);
pExtra->MoveTo(aPos);
}
SmRect::operator = (*pBody);
ExtendBy(*pRootSym, RCP_THIS);
if (pExtra)
ExtendBy(*pExtra, RCP_THIS, (BOOL) TRUE);
}
void SmRootNode::CreateTextFromNode(String &rText)
{
SmNode *pExtra = GetSubNode(0);
if (pExtra)
{
APPEND(rText,"nroot ");
pExtra->CreateTextFromNode(rText);
}
else
APPEND(rText,"sqrt ");
GetSubNode(2)->CreateTextFromNode(rText);
}
/**************************************************************************/
void SmBinHorNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
SmNode *pLeft = GetSubNode(0),
*pOper = GetSubNode(1),
*pRight = GetSubNode(2);
DBG_ASSERT(pLeft != NULL, "Sm: NULL pointer");
DBG_ASSERT(pOper != NULL, "Sm: NULL pointer");
DBG_ASSERT(pRight != NULL, "Sm: NULL pointer");
pOper->SetSize(Fraction (rFormat.GetRelSize(SIZ_OPERATOR), 100));
pLeft ->Arrange(rDev, rFormat);
pOper ->Arrange(rDev, rFormat);
pRight->Arrange(rDev, rFormat);
const SmRect &rOpRect = pOper->GetRect();
long nDist = (rOpRect.GetWidth() *
rFormat.GetDistance(DIS_HORIZONTAL)) / 100L;
SmRect::operator = (*pLeft);
Point aPos;
aPos = pOper->AlignTo(*this, RP_RIGHT, RHA_CENTER, RVA_BASELINE);
aPos.X() += nDist;
pOper->MoveTo(aPos);
ExtendBy(*pOper, RCP_XOR);
aPos = pRight->AlignTo(*this, RP_RIGHT, RHA_CENTER, RVA_BASELINE);
aPos.X() += nDist;
pRight->MoveTo(aPos);
ExtendBy(*pRight, RCP_XOR);
}
/**************************************************************************/
void SmBinVerNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
SmNode *pNum = GetSubNode(0),
*pLine = GetSubNode(1),
*pDenom = GetSubNode(2);
DBG_ASSERT(pNum, "Sm : NULL pointer");
DBG_ASSERT(pLine, "Sm : NULL pointer");
DBG_ASSERT(pDenom, "Sm : NULL pointer");
BOOL bIsTextmode = rFormat.IsTextmode();
if (bIsTextmode)
{
Fraction aFraction(rFormat.GetRelSize(SIZ_INDEX), 100);
pNum ->SetSize(aFraction);
pLine ->SetSize(aFraction);
pDenom->SetSize(aFraction);
}
pNum ->Arrange(rDev, rFormat);
pDenom->Arrange(rDev, rFormat);
long nFontHeight = GetFont().GetSize().Height(),
nExtLen = nFontHeight * rFormat.GetDistance(DIS_FRACTION) / 100L,
nThick = nFontHeight * rFormat.GetDistance(DIS_STROKEWIDTH) / 100L,
nWidth = Max(pNum->GetItalicWidth(), pDenom->GetItalicWidth()),
nNumDist = bIsTextmode ? 0 :
nFontHeight * rFormat.GetDistance(DIS_NUMERATOR) / 100L,
nDenomDist = bIsTextmode ? 0 :
nFontHeight * rFormat.GetDistance(DIS_DENOMINATOR) / 100L;
// font specialist advised to change the width first
pLine->AdaptToY(rDev, nThick);
pLine->AdaptToX(rDev, nWidth + 2 * nExtLen);
pLine->Arrange(rDev, rFormat);
// get horizontal alignment for numerator
const SmNode *pLM = pNum->GetLeftMost();
RectHorAlign eHorAlign = pLM->GetRectHorAlign();
// move numerator to its position
Point aPos = pNum->AlignTo(*pLine, RP_TOP, eHorAlign, RVA_BASELINE);
aPos.Y() -= nNumDist;
pNum->MoveTo(aPos);
// get horizontal alignment for denominator
pLM = pDenom->GetLeftMost();
eHorAlign = pLM->GetRectHorAlign();
// move denominator to its position
aPos = pDenom->AlignTo(*pLine, RP_BOTTOM, eHorAlign, RVA_BASELINE);
aPos.Y() += nDenomDist;
pDenom->MoveTo(aPos);
SmRect::operator = (*pNum);
ExtendBy(*pDenom, RCP_NONE).ExtendBy(*pLine, RCP_NONE, pLine->GetCenterY());
}
void SmBinVerNode::CreateTextFromNode(String &rText)
{
SmNode *pNum = GetSubNode(0),
*pLine = GetSubNode(1),
*pDenom = GetSubNode(2);
pNum->CreateTextFromNode(rText);
APPEND(rText,"over ");
pDenom->CreateTextFromNode(rText);
}
SmNode * SmBinVerNode::GetLeftMost()
{
return this;
}
/**************************************************************************/
double Det(const Point &rHeading1, const Point &rHeading2)
// gibt den Wert der durch die beiden Punkte gebildeten Determinante
// zur<75>ck
{
return rHeading1.X() * rHeading2.Y() - rHeading1.Y() * rHeading2.X();
}
BOOL IsPointInLine(const Point &rPoint1,
const Point &rPoint2, const Point &rHeading2)
// ergibt TRUE genau dann, wenn der Punkt 'rPoint1' zu der Gerade geh<65>rt die
// durch den Punkt 'rPoint2' geht und den Richtungsvektor 'rHeading2' hat
{
DBG_ASSERT(rHeading2 != Point(), "Sm : 0 vector");
BOOL bRes = FALSE;
const double eps = 5.0 * DBL_EPSILON;
double fLambda;
if (labs(rHeading2.X()) > labs(rHeading2.Y()))
{
fLambda = (rPoint1.X() - rPoint2.X()) / (double) rHeading2.X();
bRes = fabs(rPoint1.Y() - (rPoint2.Y() + fLambda * rHeading2.Y())) < eps;
}
else
{
fLambda = (rPoint1.Y() - rPoint2.Y()) / (double) rHeading2.Y();
bRes = fabs(rPoint1.X() - (rPoint2.X() + fLambda * rHeading2.X())) < eps;
}
return bRes;
}
USHORT GetLineIntersectionPoint(Point &rResult,
const Point& rPoint1, const Point &rHeading1,
const Point& rPoint2, const Point &rHeading2)
{
DBG_ASSERT(rHeading1 != Point(), "Sm : 0 vector");
DBG_ASSERT(rHeading2 != Point(), "Sm : 0 vector");
USHORT nRes = 1;
const double eps = 5.0 * DBL_EPSILON;
// sind die Richtumgsvektoren linear abh<62>ngig ?
double fDet = Det(rHeading1, rHeading2);
if (fabs(fDet) < eps)
{
nRes = IsPointInLine(rPoint1, rPoint2, rHeading2) ? USHRT_MAX : 0;
rResult = nRes ? rPoint1 : Point();
}
else
{
// hier achten wir nicht auf Rechengenauigkeit
// (das w<>rde aufwendiger und lohnt sich hier kaum)
double fLambda = ( (rPoint1.Y() - rPoint2.Y()) * rHeading2.X()
- (rPoint1.X() - rPoint2.X()) * rHeading2.Y())
/ fDet;
rResult = Point(rPoint1.X() + (long) (fLambda * rHeading1.X()),
rPoint1.Y() + (long) (fLambda * rHeading1.Y()));
}
return nRes;
}
SmBinDiagonalNode::SmBinDiagonalNode(const SmToken &rNodeToken)
: SmStructureNode(NBINDIAGONAL, rNodeToken)
{
bAscending = FALSE;
SetNumSubNodes(3);
}
void SmBinDiagonalNode::GetOperPosSize(Point &rPos, Size &rSize,
const Point &rDiagPoint, double fAngleDeg) const
// gibt die Position und Gr<47><72>e f<>r den Diagonalstrich zur<75>ck.
// Vor.: das SmRect des Nodes gibt die Begrenzung vor(!), mu<6D> also selbst
// bereits bekannt sein.
{
const double fPi = 3.1415926535897932384626433;
double fAngleRad = fAngleDeg / 180.0 * fPi;
long nRectLeft = GetItalicLeft(),
nRectRight = GetItalicRight(),
nRectTop = GetTop(),
nRectBottom = GetBottom();
Point aRightHdg (100, 0),
aDownHdg (0, 100),
aDiagHdg ( (long)(100.0 * cos(fAngleRad)),
(long)(-100.0 * sin(fAngleRad)) );
long nLeft, nRight, nTop, nBottom; // R<>nder des Rechtecks f<>r die
// Diagonale
Point aPoint;
if (IsAscending())
{
//
// obere rechte Ecke bestimmen
//
GetLineIntersectionPoint(aPoint,
Point(nRectLeft, nRectTop), aRightHdg,
rDiagPoint, aDiagHdg);
//
// gibt es einen Schnittpunkt mit dem oberen Rand ?
if (aPoint.X() <= nRectRight)
{
nRight = aPoint.X();
nTop = nRectTop;
}
else
{
// es mu<6D> einen Schnittpunkt mit dem rechten Rand geben!
GetLineIntersectionPoint(aPoint,
Point(nRectRight, nRectTop), aDownHdg,
rDiagPoint, aDiagHdg);
nRight = nRectRight;
nTop = aPoint.Y();
}
//
// untere linke Ecke bestimmen
//
GetLineIntersectionPoint(aPoint,
Point(nRectLeft, nRectBottom), aRightHdg,
rDiagPoint, aDiagHdg);
//
// gibt es einen Schnittpunkt mit dem unteren Rand ?
if (aPoint.X() >= nRectLeft)
{
nLeft = aPoint.X();
nBottom = nRectBottom;
}
else
{
// es mu<6D> einen Schnittpunkt mit dem linken Rand geben!
GetLineIntersectionPoint(aPoint,
Point(nRectLeft, nRectTop), aDownHdg,
rDiagPoint, aDiagHdg);
nLeft = nRectLeft;
nBottom = aPoint.Y();
}
}
else
{
//
// obere linke Ecke bestimmen
//
GetLineIntersectionPoint(aPoint,
Point(nRectLeft, nRectTop), aRightHdg,
rDiagPoint, aDiagHdg);
//
// gibt es einen Schnittpunkt mit dem oberen Rand ?
if (aPoint.X() >= nRectLeft)
{
nLeft = aPoint.X();
nTop = nRectTop;
}
else
{
// es mu<6D> einen Schnittpunkt mit dem linken Rand geben!
GetLineIntersectionPoint(aPoint,
Point(nRectLeft, nRectTop), aDownHdg,
rDiagPoint, aDiagHdg);
nLeft = nRectLeft;
nTop = aPoint.Y();
}
//
// untere rechte Ecke bestimmen
//
GetLineIntersectionPoint(aPoint,
Point(nRectLeft, nRectBottom), aRightHdg,
rDiagPoint, aDiagHdg);
//
// gibt es einen Schnittpunkt mit dem unteren Rand ?
if (aPoint.X() <= nRectRight)
{
nRight = aPoint.X();
nBottom = nRectBottom;
}
else
{
// es mu<6D> einen Schnittpunkt mit dem rechten Rand geben!
GetLineIntersectionPoint(aPoint,
Point(nRectRight, nRectTop), aDownHdg,
rDiagPoint, aDiagHdg);
nRight = nRectRight;
nBottom = aPoint.Y();
}
}
rSize = Size(nRight - nLeft + 1, nBottom - nTop + 1);
rPos.X() = nLeft;
rPos.Y() = nTop;
}
void SmBinDiagonalNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
//! die beiden Argumente m<>ssen in den Subnodes vor dem Operator kommen,
//! damit das anklicken im GraphicWindow den FormulaCursor richtig setzt
//! (vgl SmRootNode)
SmNode *pLeft = GetSubNode(0),
*pRight = GetSubNode(1);
DBG_ASSERT(pLeft, "Sm : NULL pointer");
DBG_ASSERT(pRight, "Sm : NULL pointer");
DBG_ASSERT(GetSubNode(2)->GetType() == NPOLYLINE, "Sm : falscher Nodetyp");
SmPolyLineNode *pOper = (SmPolyLineNode *) GetSubNode(2);
DBG_ASSERT(pOper, "Sm : NULL pointer");
//! some routines being called extract some info from the OutputDevice's
//! font (eg the space to be used for borders OR the font name(!!)).
//! Thus the font should reflect the needs and has to be set!
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
pLeft->Arrange(aTmpDev, rFormat);
pRight->Arrange(aTmpDev, rFormat);
// implizit die Weite (incl Rand) des Diagonalstrichs ermitteln
pOper->Arrange(aTmpDev, rFormat);
long nDelta = pOper->GetWidth() * 8 / 10;
// TopLeft Position vom rechten Argument ermitteln
Point aPos;
aPos.X() = pLeft->GetItalicRight() + nDelta + pRight->GetItalicLeftSpace();
if (IsAscending())
aPos.Y() = pLeft->GetBottom() + nDelta;
else
aPos.Y() = pLeft->GetTop() - nDelta - pRight->GetHeight();
pRight->MoveTo(aPos);
// neue Baseline bestimmen
long nBaseline = IsAscending() ? (pLeft->GetBottom() + pRight->GetTop()) / 2
: (pLeft->GetTop() + pRight->GetBottom()) / 2;
Point aLogCenter ((pLeft->GetItalicRight() + pRight->GetItalicLeft()) / 2,
nBaseline);
SmRect::operator = (*pLeft);
ExtendBy(*pRight, RCP_NONE);
// Position und Gr<47><72>e des Diagonalstrich ermitteln
Size aSize;
GetOperPosSize(aPos, aSize, aLogCenter, IsAscending() ? 60.0 : -60.0);
// font specialist advised to change the width first
pOper->AdaptToY(aTmpDev, aSize.Height());
pOper->AdaptToX(aTmpDev, aSize.Width());
// und diese wirksam machen
pOper->Arrange(aTmpDev, rFormat);
pOper->MoveTo(aPos);
ExtendBy(*pOper, RCP_NONE, nBaseline);
}
/**************************************************************************/
void SmSubSupNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
DBG_ASSERT(GetNumSubNodes() == 1 + SUBSUP_NUM_ENTRIES,
"Sm: falsche Anzahl von subnodes");
SmNode *pBody = GetBody();
DBG_ASSERT(pBody, "Sm: NULL pointer");
long nOrigHeight = pBody->GetFont().GetSize().Height();
pBody->Arrange(rDev, rFormat);
const SmRect &rBodyRect = pBody->GetRect();
SmRect::operator = (rBodyRect);
// line that separates sub- and supscript rectangles
long nDelimLine = SmFromTo(GetAlignB(), GetAlignT(), 0.4);
Point aPos;
long nDelta, nDist;
// iterate over all possible sub-/supscripts
SmRect aTmpRect (rBodyRect);
for (int i = 0; i < SUBSUP_NUM_ENTRIES; i++)
{ SmSubSup eSubSup = (SmSubSup) i; // cast
SmNode *pSubSup = GetSubSup(eSubSup);
if (!pSubSup)
continue;
// switch position of limits if we are in textmode
if (rFormat.IsTextmode() && (GetToken().nGroup & TGLIMIT))
switch (eSubSup)
{ case CSUB: eSubSup = RSUB; break;
case CSUP: eSubSup = RSUP; break;
}
// prevent sub-/supscripts from diminishing in size
// (as would be in "a_{1_{2_{3_4}}}")
if (GetFont().GetSize().Height() > rFormat.GetBaseSize().Height() / 3)
{
USHORT nIndex = (eSubSup == CSUB || eSubSup == CSUP) ?
SIZ_LIMITS : SIZ_INDEX;
Fraction aFraction ( rFormat.GetRelSize(nIndex), 100 );
pSubSup->SetSize(aFraction);
}
pSubSup->Arrange(rDev, rFormat);
BOOL bIsTextmode = rFormat.IsTextmode();
nDist = 0;
//! be sure that CSUB, CSUP are handled before the other cases!
switch (eSubSup)
{ case RSUB :
case LSUB :
if (!bIsTextmode)
nDist = nOrigHeight
* rFormat.GetDistance(DIS_SUBSCRIPT) / 100L;
aPos = pSubSup->GetRect().AlignTo(aTmpRect,
eSubSup == LSUB ? RP_LEFT : RP_RIGHT,
RHA_CENTER, RVA_BOTTOM);
aPos.Y() += nDist;
nDelta = nDelimLine - aPos.Y();
if (nDelta > 0)
aPos.Y() += nDelta;
break;
case RSUP :
case LSUP :
if (!bIsTextmode)
nDist = nOrigHeight
* rFormat.GetDistance(DIS_SUPERSCRIPT) / 100L;
aPos = pSubSup->GetRect().AlignTo(aTmpRect,
eSubSup == LSUP ? RP_LEFT : RP_RIGHT,
RHA_CENTER, RVA_TOP);
aPos.Y() -= nDist;
nDelta = aPos.Y() + pSubSup->GetHeight() - nDelimLine;
if (nDelta > 0)
aPos.Y() -= nDelta;
break;
case CSUB :
if (!bIsTextmode)
nDist = nOrigHeight
* rFormat.GetDistance(DIS_LOWERLIMIT) / 100L;
aPos = pSubSup->GetRect().AlignTo(rBodyRect, RP_BOTTOM,
RHA_CENTER, RVA_BASELINE);
aPos.Y() += nDist;
break;
case CSUP :
if (!bIsTextmode)
nDist = nOrigHeight
* rFormat.GetDistance(DIS_UPPERLIMIT) / 100L;
aPos = pSubSup->GetRect().AlignTo(rBodyRect, RP_TOP,
RHA_CENTER, RVA_BASELINE);
aPos.Y() -= nDist;
break;
default :
DBG_ASSERT(FALSE, "Sm: unbekannter Fall");
}
pSubSup->MoveTo(aPos);
ExtendBy(*pSubSup, RCP_THIS, (BOOL) TRUE);
// update rectangle to which RSUB, RSUP, LSUB, LSUP
// will be aligned to
if (eSubSup == CSUB || eSubSup == CSUP)
aTmpRect = *this;
}
}
void SmSubSupNode::CreateTextFromNode(String &rText)
{
SmNode *pNode;
GetSubNode(0)->CreateTextFromNode(rText);
if (pNode = GetSubNode(LSUB+1))
{
APPEND(rText,"lsub ");
pNode->CreateTextFromNode(rText);
}
if (pNode = GetSubNode(LSUP+1))
{
APPEND(rText,"lsup ");
pNode->CreateTextFromNode(rText);
}
if (pNode = GetSubNode(CSUB+1))
{
APPEND(rText,"csub ");
pNode->CreateTextFromNode(rText);
}
if (pNode = GetSubNode(CSUP+1))
{
APPEND(rText,"csup ");
pNode->CreateTextFromNode(rText);
}
if (pNode = GetSubNode(RSUB+1))
{
rText.EraseTrailingChars();
rText.Append('_');
pNode->CreateTextFromNode(rText);
}
if (pNode = GetSubNode(RSUP+1))
{
rText.EraseTrailingChars();
rText.Append('^');
pNode->CreateTextFromNode(rText);
}
}
/**************************************************************************/
void SmBraceNode::CreateTextFromNode(String &rText)
{
if (GetScaleMode() == SCALE_HEIGHT)
APPEND(rText,"left ");
{
String aStr;
GetSubNode(0)->CreateTextFromNode(aStr);
aStr.EraseLeadingAndTrailingChars();
aStr.EraseLeadingChars('\\');
if (aStr.Len())
{
if (aStr.EqualsAscii("divides"))
APPEND(rText,"lline");
else if (aStr.EqualsAscii("parallel"))
APPEND(rText,"ldline");
else if (aStr.EqualsAscii("<"))
APPEND(rText,"langle");
else
rText.Append(aStr);
rText.Append(' ');
}
else
APPEND(rText,"none ");
}
GetSubNode(1)->CreateTextFromNode(rText);
if (GetScaleMode() == SCALE_HEIGHT)
APPEND(rText,"right ");
{
String aStr;
GetSubNode(2)->CreateTextFromNode(aStr);
aStr.EraseLeadingAndTrailingChars();
aStr.EraseLeadingChars('\\');
if (aStr.Len())
{
if (aStr.EqualsAscii("divides"))
APPEND(rText,"rline");
else if (aStr.EqualsAscii("parallel"))
APPEND(rText,"rdline");
else if (aStr.EqualsAscii(">"))
APPEND(rText,"rangle");
else
rText.Append(aStr);
rText.Append(' ');
}
else
APPEND(rText,"none ");
}
rText.Append(' ');
}
void SmBraceNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
SmNode *pLeft = GetSubNode(0),
*pBody = GetSubNode(1),
*pRight = GetSubNode(2);
DBG_ASSERT(pLeft, "Sm: NULL pointer");
DBG_ASSERT(pBody, "Sm: NULL pointer");
DBG_ASSERT(pRight, "Sm: NULL pointer");
pBody->Arrange(rDev, rFormat);
BOOL bIsScaleNormal = rFormat.IsScaleNormalBrackets(),
bScale = pBody->GetHeight() > 0 &&
(GetScaleMode() == SCALE_HEIGHT || bIsScaleNormal),
bIsABS = GetToken().eType == TABS;
long nFaceHeight = GetFont().GetSize().Height();
// <20>bergr<67><72>e in % ermitteln
USHORT nPerc = 0;
if (!bIsABS && bScale)
{ // im Fall von Klammern mit <20>bergr<67><72>e...
int nIndex = GetScaleMode() == SCALE_HEIGHT ?
DIS_BRACKETSIZE : DIS_NORMALBRACKETSIZE;
nPerc = rFormat.GetDistance(nIndex);
}
// ermitteln der H<>he f<>r die Klammern
long nBraceHeight;
if (bScale)
{
nBraceHeight = pBody->GetType() == NBRACEBODY ?
((SmBracebodyNode *) pBody)->GetBodyHeight()
: pBody->GetHeight();
nBraceHeight += 2 * (nBraceHeight * nPerc / 100L);
}
else
nBraceHeight = nFaceHeight;
// Abstand zum Argument
nPerc = bIsABS ? 0 : rFormat.GetDistance(DIS_BRACKETSPACE);
long nDist = nFaceHeight * nPerc / 100L;
// sofern erw<72>nscht skalieren der Klammern auf die gew<65>nschte Gr<47><72>e
if (bScale)
{
Size aSize (pLeft->GetFont().GetSize());
DBG_ASSERT(pRight->GetFont().GetSize() == aSize,
"Sm : unterschiedliche Fontgr<67><72>en");
aSize.Width() = Min((long) nBraceHeight * 60L / 100L,
rFormat.GetBaseSize().Height() * 3L / 2L);
// correction factor since change from StarMath to StarSymbol font
// because of the different font width in the FontMetric
aSize.Width() *= 182;
aSize.Width() /= 267;
xub_Unicode cChar = pLeft->GetToken().cMathChar;
if (cChar != MS_LINE && cChar != MS_DLINE)
pLeft ->GetFont().SetSize(aSize);
cChar = pRight->GetToken().cMathChar;
if (cChar != MS_LINE && cChar != MS_DLINE)
pRight->GetFont().SetSize(aSize);
pLeft ->AdaptToY(rDev, nBraceHeight);
pRight->AdaptToY(rDev, nBraceHeight);
}
pLeft ->Arrange(rDev, rFormat);
pRight->Arrange(rDev, rFormat);
// damit auch "\(a\) - (a) - left ( a right )" vern<72>nftig aussieht
RectVerAlign eVerAlign = bScale ? RVA_CENTERY : RVA_BASELINE;
Point aPos;
aPos = pLeft->AlignTo(*pBody, RP_LEFT, RHA_CENTER, eVerAlign);
aPos.X() -= nDist;
pLeft->MoveTo(aPos);
aPos = pRight->AlignTo(*pBody, RP_RIGHT, RHA_CENTER, eVerAlign);
aPos.X() += nDist;
pRight->MoveTo(aPos);
SmRect::operator = (*pBody);
ExtendBy(*pLeft, RCP_THIS).ExtendBy(*pRight, RCP_THIS);
}
/**************************************************************************/
void SmBracebodyNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
USHORT nNumSubNodes = GetNumSubNodes();
if (nNumSubNodes == 0)
return;
// arrange arguments
USHORT i;
for (i = 0; i < nNumSubNodes; i += 2)
GetSubNode(i)->Arrange(rDev, rFormat);
// build reference rectangle with necessary info for vertical alignment
SmRect aRefRect (*GetSubNode(0));
for (i = 0; i < nNumSubNodes; i += 2)
{
SmRect aTmpRect (*GetSubNode(i));
Point aPos = aTmpRect.AlignTo(aRefRect, RP_RIGHT, RHA_CENTER, RVA_BASELINE);
aTmpRect.MoveTo(aPos);
aRefRect.ExtendBy(aTmpRect, RCP_XOR);
}
nBodyHeight = aRefRect.GetHeight();
// scale separators to required height and arrange them
BOOL bScale = GetScaleMode() == SCALE_HEIGHT || rFormat.IsScaleNormalBrackets();
long nHeight = bScale ? aRefRect.GetHeight() : GetFont().GetSize().Height();
int nIndex = GetScaleMode() == SCALE_HEIGHT ?
DIS_BRACKETSIZE : DIS_NORMALBRACKETSIZE;
USHORT nPerc = rFormat.GetDistance(nIndex);
if (bScale)
nHeight += 2 * (nHeight * nPerc / 100L);
for (i = 1; i < nNumSubNodes; i += 2)
{
SmNode *pNode = GetSubNode(i);
pNode->AdaptToY(rDev, nHeight);
pNode->Arrange(rDev, rFormat);
}
// horizontal distance between argument and brackets or separators
long nDist = GetFont().GetSize().Height()
* rFormat.GetDistance(DIS_BRACKETSPACE) / 100L;
SmNode *pLeft = GetSubNode(0);
SmRect::operator = (*pLeft);
for (i = 1; i < nNumSubNodes; i++)
{
BOOL bIsSeparator = i % 2 != 0;
RectVerAlign eVerAlign = bIsSeparator ? RVA_CENTERY : RVA_BASELINE;
SmNode *pRight = GetSubNode(i);
Point aPosX = pRight->AlignTo(*pLeft, RP_RIGHT, RHA_CENTER, eVerAlign),
aPosY = pRight->AlignTo(aRefRect, RP_RIGHT, RHA_CENTER, eVerAlign);
aPosX.X() += nDist;
pRight->MoveTo(Point(aPosX.X(), aPosY.Y()));
ExtendBy(*pRight, bIsSeparator ? RCP_THIS : RCP_XOR);
pLeft = pRight;
}
}
/**************************************************************************/
void SmVerticalBraceNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
SmNode *pBody = GetSubNode(0),
*pBrace = GetSubNode(1),
*pScript = GetSubNode(2);
DBG_ASSERT(pBody, "Sm: NULL pointer!");
DBG_ASSERT(pBrace, "Sm: NULL pointer!");
DBG_ASSERT(pScript, "Sm: NULL pointer!");
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
pBody->Arrange(aTmpDev, rFormat);
// Groesse wie bei Grenzen fuer diesen Teil
pScript->SetSize( Fraction( rFormat.GetRelSize(SIZ_LIMITS), 100 ) );
// etwas hoehere Klammern als normal
pBrace ->SetSize( Fraction(3, 2) );
long nItalicWidth = pBody->GetItalicWidth();
if (nItalicWidth > 0)
pBrace->AdaptToX(aTmpDev, nItalicWidth);
pBrace ->Arrange(aTmpDev, rFormat);
pScript->Arrange(aTmpDev, rFormat);
// die relativen Position und die Abstaende zueinander bestimmen
RectPos eRectPos;
long nFontHeight = pBody->GetFont().GetSize().Height();
long nDistBody = nFontHeight * rFormat.GetDistance(DIS_ORNAMENTSIZE),
nDistScript = nFontHeight;
if (GetToken().eType == TOVERBRACE)
{
eRectPos = RP_TOP;
nDistBody = - nDistBody;
nDistScript *= - rFormat.GetDistance(DIS_UPPERLIMIT);
}
else // TUNDERBRACE
{
eRectPos = RP_BOTTOM;
nDistScript *= + rFormat.GetDistance(DIS_LOWERLIMIT);
}
nDistBody /= 100L;
nDistScript /= 100L;
Point aPos = pBrace->AlignTo(*pBody, eRectPos, RHA_CENTER, RVA_BASELINE);
aPos.Y() += nDistBody;
pBrace->MoveTo(aPos);
aPos = pScript->AlignTo(*pBrace, eRectPos, RHA_CENTER, RVA_BASELINE);
aPos.Y() += nDistScript;
pScript->MoveTo(aPos);
SmRect::operator = (*pBody);
ExtendBy(*pBrace, RCP_THIS).ExtendBy(*pScript, RCP_THIS);
}
/**************************************************************************/
SmNode * SmOperNode::GetSymbol()
{
SmNode *pNode = GetSubNode(0);
DBG_ASSERT(pNode, "Sm: NULL pointer!");
if (pNode->GetType() == NSUBSUP)
pNode = ((SmSubSupNode *) pNode)->GetBody();
DBG_ASSERT(pNode, "Sm: NULL pointer!");
return pNode;
}
long SmOperNode::CalcSymbolHeight(const SmNode &rSymbol,
const SmFormat &rFormat) const
// returns the font height to be used for operator-symbol
{
long nHeight = GetFont().GetSize().Height();
SmTokenType eType = GetToken().eType;
if (eType == TLIM || eType == TLIMINF || eType == TLIMSUP)
return nHeight;
if (!rFormat.IsTextmode())
{
// set minimum size ()
nHeight += (nHeight * 20L) / 100L;
nHeight += nHeight
* rFormat.GetDistance(DIS_OPERATORSIZE) / 100L;
nHeight = nHeight * 686L / 845L;
}
// correct user-defined symbols to match height of sum from used font
if (rSymbol.GetToken().eType == TSPECIAL)
nHeight = nHeight * 845L / 686L;
return nHeight;
}
void SmOperNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
SmNode *pOper = GetSubNode(0);
SmNode *pBody = GetSubNode(1);
DBG_ASSERT(pOper, "Sm: Subnode fehlt");
DBG_ASSERT(pBody, "Sm: Subnode fehlt");
SmNode *pSymbol = GetSymbol();
pSymbol->SetSize(Fraction(CalcSymbolHeight(*pSymbol, rFormat),
pSymbol->GetFont().GetSize().Height()));
pBody->Arrange(rDev, rFormat);
pOper->Arrange(rDev, rFormat);
long nOrigHeight = GetFont().GetSize().Height(),
nDist = nOrigHeight
* rFormat.GetDistance(DIS_OPERATORSPACE) / 100L;
Point aPos = pOper->AlignTo(*pBody, RP_LEFT, RHA_CENTER, /*RVA_CENTERY*/RVA_MID);
aPos.X() -= nDist;
pOper->MoveTo(aPos);
SmRect::operator = (*pBody);
ExtendBy(*pOper, RCP_THIS);
}
/**************************************************************************/
void SmAlignNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
// setzt im ganzen subtree (incl aktuellem node) das alignment
{
DBG_ASSERT(GetNumSubNodes() > 0, "Sm: SubNode fehlt");
SmNode *pNode = GetSubNode(0);
RectHorAlign eHorAlign;
switch (GetToken().eType)
{
case TALIGNL: eHorAlign = RHA_LEFT; break;
case TALIGNC: eHorAlign = RHA_CENTER; break;
case TALIGNR: eHorAlign = RHA_RIGHT; break;
}
SetRectHorAlign(eHorAlign);
pNode->Arrange(rDev, rFormat);
SmRect::operator = (pNode->GetRect());
}
/**************************************************************************/
void SmAttributNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
SmNode *pAttr = GetSubNode(0),
*pBody = GetSubNode(1);
DBG_ASSERT(pBody, "Sm: Body fehlt");
DBG_ASSERT(pAttr, "Sm: Attribut fehlt");
pBody->Arrange(rDev, rFormat);
if (GetScaleMode() == SCALE_WIDTH)
pAttr->AdaptToX(rDev, pBody->GetItalicWidth());
pAttr->Arrange(rDev, rFormat);
// get relative position of attribut
RectVerAlign eVerAlign;
long nDist = 0;
switch (GetToken().eType)
{ case TUNDERLINE :
eVerAlign = RVA_ATTRIBUT_LO;
break;
case TOVERSTRIKE :
eVerAlign = RVA_ATTRIBUT_MID;
break;
default :
eVerAlign = RVA_ATTRIBUT_HI;
if (pBody->GetType() == NATTRIBUT)
nDist = GetFont().GetSize().Height()
* rFormat.GetDistance(DIS_ORNAMENTSPACE) / 100L;
}
Point aPos = pAttr->AlignTo(*pBody, RP_ATTRIBUT, RHA_CENTER, eVerAlign);
aPos.Y() -= nDist;
pAttr->MoveTo(aPos);
SmRect::operator = (*pBody);
ExtendBy(*pAttr, RCP_THIS, (BOOL) TRUE);
}
/**************************************************************************/
void SmFontNode::CreateTextFromNode(String &rText)
{
switch (GetToken().eType)
{
case TBOLD:
APPEND(rText,"bold ");
break;
case TNBOLD:
APPEND(rText,"nbold ");
break;
case TITALIC:
APPEND(rText,"italic ");
break;
case TNITALIC:
APPEND(rText,"nitalic ");
break;
case TPHANTOM:
APPEND(rText,"phantom ");
break;
case TSIZE:
{
APPEND(rText,"size ");
switch (nSizeType)
{
case FNTSIZ_PLUS:
rText.Append('+');
break;
case FNTSIZ_MINUS:
rText.Append('-');
break;
case FNTSIZ_MULTIPLY:
rText.Append('*');
break;
case FNTSIZ_DIVIDE:
rText.Append('/');
break;
case FNTSIZ_ABSOLUT:
default:
break;
}
rText += String( ::rtl::math::doubleToUString(
static_cast<double>(aFontSize),
rtl_math_StringFormat_Automatic,
rtl_math_DecimalPlaces_Max, '.', sal_True));
rText.Append(' ');
}
break;
case TBLACK:
APPEND(rText,"color black ");
break;
case TWHITE:
APPEND(rText,"color white ");
break;
case TRED:
APPEND(rText,"color red ");
break;
case TGREEN:
APPEND(rText,"color green ");
break;
case TBLUE:
APPEND(rText,"color blue ");
break;
case TCYAN:
APPEND(rText,"color cyan ");
break;
case TMAGENTA:
APPEND(rText,"color magenta ");
break;
case TYELLOW:
APPEND(rText,"color yellow ");
break;
case TSANS:
APPEND(rText,"font sans ");
break;
case TSERIF:
APPEND(rText,"font serif ");
break;
case TFIXED:
APPEND(rText,"font fixed ");
break;
default:
break;
}
GetSubNode(1)->CreateTextFromNode(rText);
}
void SmFontNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell)
{
//! prepare subnodes first
SmNode::Prepare(rFormat, rDocShell);
int nFnt = -1;
switch (GetToken().eType)
{
case TFIXED: nFnt = FNT_FIXED; break;
case TSANS: nFnt = FNT_SANS; break;
case TSERIF: nFnt = FNT_SERIF; break;
}
if (nFnt != -1)
{ GetFont() = rFormat.GetFont(nFnt);
SetFont(GetFont());
}
//! prevent overwrites of this font by 'Arrange' or 'SetFont' calls of
//! other font nodes (those with lower depth in the tree)
Flags() |= FLG_FONT;
}
void SmFontNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
SmNode *pNode = GetSubNode(1);
DBG_ASSERT(pNode, "Sm: SubNode fehlt");
switch (GetToken().eType)
{ case TSIZE :
pNode->SetFontSize(aFontSize, nSizeType);
break;
case TSANS :
case TSERIF :
case TFIXED :
pNode->SetFont(GetFont());
break;
case TUNKNOWN : break; // no assertion on "font <?> <?>"
case TPHANTOM : SetPhantom(TRUE); break;
case TBOLD : SetAttribut(ATTR_BOLD); break;
case TITALIC : SetAttribut(ATTR_ITALIC); break;
case TNBOLD : ClearAttribut(ATTR_BOLD); break;
case TNITALIC : ClearAttribut(ATTR_ITALIC); break;
case TBLACK : SetColor(Color(COL_BLACK)); break;
case TWHITE : SetColor(Color(COL_WHITE)); break;
case TRED : SetColor(Color(COL_RED)); break;
case TGREEN : SetColor(Color(COL_GREEN)); break;
case TBLUE : SetColor(Color(COL_BLUE)); break;
case TCYAN : SetColor(Color(COL_CYAN)); break;
case TMAGENTA : SetColor(Color(COL_MAGENTA)); break;
case TYELLOW : SetColor(Color(COL_YELLOW)); break;
default:
DBG_ASSERT(FALSE, "Sm: unbekannter Fall");
}
pNode->Arrange(rDev, rFormat);
SmRect::operator = (pNode->GetRect());
}
void SmFontNode::SetSizeParameter(const Fraction& rValue, USHORT Type)
{
nSizeType = Type;
aFontSize = rValue;
}
/**************************************************************************/
SmPolyLineNode::SmPolyLineNode(const SmToken &rNodeToken)
: SmGraphicNode(NPOLYLINE, rNodeToken)
{
aPoly.SetSize(2);
nWidth = 0;
}
void SmPolyLineNode::AdaptToX(const OutputDevice &rDev, ULONG nWidth)
{
aToSize.Width() = nWidth;
}
void SmPolyLineNode::AdaptToY(const OutputDevice &rDev, ULONG nHeight)
{
GetFont().FreezeBorderWidth();
aToSize.Height() = nHeight;
}
void SmPolyLineNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
//! some routines being called extract some info from the OutputDevice's
//! font (eg the space to be used for borders OR the font name(!!)).
//! Thus the font should reflect the needs and has to be set!
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
long nBorderwidth = GetFont().GetBorderWidth();
//
// Das Polygon mit den beiden Endpunkten bilden
//
DBG_ASSERT(aPoly.GetSize() == 2, "Sm : falsche Anzahl von Punkten");
Point aPointA, aPointB;
if (GetToken().eType == TWIDESLASH)
{
aPointA.X() = nBorderwidth;
aPointA.Y() = aToSize.Height() - nBorderwidth;
aPointB.X() = aToSize.Width() - nBorderwidth;
aPointB.Y() = nBorderwidth;
}
else
{
DBG_ASSERT(GetToken().eType == TWIDEBACKSLASH, "Sm : unerwartetes Token");
aPointA.X() =
aPointA.Y() = nBorderwidth;
aPointB.X() = aToSize.Width() - nBorderwidth;
aPointB.Y() = aToSize.Height() - nBorderwidth;
}
aPoly.SetPoint(aPointA, 0);
aPoly.SetPoint(aPointB, 1);
long nThick = GetFont().GetSize().Height()
* rFormat.GetDistance(DIS_STROKEWIDTH) / 100L;
nWidth = nThick + 2 * nBorderwidth;
SmRect::operator = (SmRect(aToSize.Width(), aToSize.Height()));
}
void SmPolyLineNode::Draw(OutputDevice &rDev, const Point &rPosition) const
{
if (IsPhantom())
return;
long nBorderwidth = GetFont().GetBorderWidth();
LineInfo aInfo;
aInfo.SetWidth(nWidth - 2 * nBorderwidth);
Point aOffset (Point() - aPoly.GetBoundRect().TopLeft()
+ Point(nBorderwidth, nBorderwidth)),
aPos (rPosition + aOffset);
((Polygon &) aPoly).Move(aPos.X(), aPos.Y());
SmTmpDevice aTmpDev ((OutputDevice &) rDev, FALSE);
aTmpDev.SetLineColor( GetFont().GetColor() );
rDev.DrawPolyLine(aPoly, aInfo);
#ifdef SM_RECT_DEBUG
if (!IsDebug())
return;
int nRFlags = SM_RECT_CORE | SM_RECT_ITALIC | SM_RECT_LINES | SM_RECT_MID;
SmRect::Draw(rDev, rPosition, nRFlags);
#endif
}
/**************************************************************************/
void SmRootSymbolNode::AdaptToX(const OutputDevice &rDev, ULONG nWidth)
{
nBodyWidth = nWidth;
}
void SmRootSymbolNode::AdaptToY(const OutputDevice &rDev, ULONG nHeight)
{
// etwas extra L<>nge damit der horizontale Balken sp<73>ter <20>ber dem
// Argument positioniert ist
SmMathSymbolNode::AdaptToY(rDev, nHeight + nHeight / 10L);
}
void SmRootSymbolNode::Draw(OutputDevice &rDev, const Point &rPosition) const
{
if (IsPhantom())
return;
// draw root-sign itself
SmMathSymbolNode::Draw(rDev, rPosition);
static String aBarStr( (sal_Unicode) MS_BAR );
SmTmpDevice aTmpDev( (OutputDevice &) rDev, TRUE );
aTmpDev.SetFillColor(GetFont().GetColor());
rDev.SetLineColor();
aTmpDev.SetFont( GetFont() );
// since the width is always unscaled it corresponds ot the _original_
// _unscaled_ font height to be used, we use that to calculate the
// bar height. Thus it is independent of the arguments height.
// ( see display of sqrt QQQ versus sqrt stack{Q#Q#Q#Q} )
long nBarHeight = GetWidth() * 7L / 100L;
long nBarWidth = nBodyWidth + GetBorderWidth();
Point aBarOffset( GetWidth(), +GetBorderWidth() );
Point aBarPos( rPosition + aBarOffset );
Rectangle aBar(aBarPos, Size( nBarWidth, nBarHeight) );
//! avoid GROWING AND SHRINKING of drawn rectangle when constantly
//! increasing zoomfactor.
// This is done by shifting it's output-position to a point that
// corresponds exactly to a pixel on the output device.
Point aDrawPos( rDev.PixelToLogic(rDev.LogicToPixel(aBar.TopLeft())) );
//aDrawPos.X() = aBar.Left(); //! don't change X position
aBar.SetPos( aDrawPos );
rDev.DrawRect( aBar );
#ifdef SM_RECT_DEBUG
if (!IsDebug())
return;
int nRFlags = SM_RECT_CORE | SM_RECT_ITALIC | SM_RECT_LINES | SM_RECT_MID;
SmRect::Draw(rDev, rPosition, nRFlags);
#endif
}
/**************************************************************************/
void SmRectangleNode::AdaptToX(const OutputDevice &rDev, ULONG nWidth)
{
aToSize.Width() = nWidth;
}
void SmRectangleNode::AdaptToY(const OutputDevice &rDev, ULONG nHeight)
{
GetFont().FreezeBorderWidth();
aToSize.Height() = nHeight;
}
void SmRectangleNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
long nFontHeight = GetFont().GetSize().Height();
long nWidth = aToSize.Width(),
nHeight = aToSize.Height();
if (nHeight == 0)
nHeight = nFontHeight / 30;
if (nWidth == 0)
nWidth = nFontHeight / 3;
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
// add some borderspace
ULONG nBorderWidth = GetFont().GetBorderWidth();
//nWidth += nBorderWidth;
nHeight += 2 * nBorderWidth;
//! use this method in order to have 'SmRect::HasAlignInfo() == TRUE'
//! and thus having the attribut-fences updated in 'SmRect::ExtendBy'
SmRect::operator = (SmRect(nWidth, nHeight));
}
void SmRectangleNode::Draw(OutputDevice &rDev, const Point &rPosition) const
{
if (IsPhantom())
return;
SmTmpDevice aTmpDev ((OutputDevice &) rDev, FALSE);
aTmpDev.SetFillColor(GetFont().GetColor());
rDev.SetLineColor();
aTmpDev.SetFont(GetFont());
ULONG nBorderWidth = GetFont().GetBorderWidth();
// get rectangle and remove borderspace
Rectangle aTmp (AsRectangle() + rPosition - GetTopLeft());
aTmp.Left() += nBorderWidth;
aTmp.Right() -= nBorderWidth;
aTmp.Top() += nBorderWidth;
aTmp.Bottom() -= nBorderWidth;
DBG_ASSERT(aTmp.GetHeight() > 0 && aTmp.GetWidth() > 0,
"Sm: leeres Rechteck");
//! avoid GROWING AND SHRINKING of drawn rectangle when constantly
//! increasing zoomfactor.
// This is done by shifting it's output-position to a point that
// corresponds exactly to a pixel on the output device.
Point aPos (rDev.PixelToLogic(rDev.LogicToPixel(aTmp.TopLeft())));
aTmp.SetPos(aPos);
rDev.DrawRect(aTmp);
#ifdef SM_RECT_DEBUG
if (!IsDebug())
return;
int nRFlags = SM_RECT_CORE | SM_RECT_ITALIC | SM_RECT_LINES | SM_RECT_MID;
SmRect::Draw(rDev, rPosition, nRFlags);
#endif
}
/**************************************************************************/
void SmTextNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell)
{
SmNode::Prepare(rFormat, rDocShell);
// default setting for horizontal alignment of nodes with TTEXT
// content is as alignl (cannot be done in Arrange since it would
// override the settings made by an SmAlignNode before)
if (TTEXT == GetToken().eType)
SetRectHorAlign( RHA_LEFT );
aText = GetToken().aText;
GetFont() = rFormat.GetFont(GetFontDesc());
if (GetFont().GetItalic() == ITALIC_NORMAL)
Attributes() |= ATTR_ITALIC;
if (GetFont().GetWeight() == WEIGHT_BOLD)
Attributes() |= ATTR_BOLD;
};
void SmTextNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
PrepareAttributes();
USHORT nSizeDesc = GetFontDesc() == FNT_FUNCTION ?
SIZ_FUNCTION : SIZ_TEXT;
GetFont() *= Fraction (rFormat.GetRelSize(nSizeDesc), 100);
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
SmRect::operator = (SmRect(aTmpDev, &rFormat, aText, GetFont().GetBorderWidth()));
}
void SmTextNode::CreateTextFromNode(String &rText)
{
BOOL bQuoted=FALSE;
if (GetToken().eType == TTEXT)
{
rText.Append('\"');
bQuoted=TRUE;
}
else
{
SmParser aParseTest;
SmNode *pTable = aParseTest.Parse(GetToken().aText);
bQuoted=TRUE;
if ( (pTable->GetType() == NTABLE) && (pTable->GetNumSubNodes() == 1) )
{
SmNode *pResult = pTable->GetSubNode(0);
if ( (pResult->GetType() == NLINE) &&
(pResult->GetNumSubNodes() == 1) )
{
pResult = pResult->GetSubNode(0);
if ( (pResult->GetType() == NEXPRESSION) &&
(pResult->GetNumSubNodes() == 1) )
{
pResult = pResult->GetSubNode(0);
if (pResult->GetType() == NTEXT)
bQuoted=FALSE;
}
}
}
delete pTable;
if ((GetToken().eType == TIDENT) && (GetFontDesc() == FNT_FUNCTION))
{
//Search for existing functions and remove extraenous keyword
APPEND(rText,"func ");
}
else if (bQuoted)
APPEND(rText,"italic ");
if (bQuoted)
rText.Append('\"');
}
rText.Append(GetToken().aText);
if (bQuoted)
rText.Append('\"');
rText.Append(' ');
}
void SmTextNode::Draw(OutputDevice &rDev, const Point& rPosition) const
{
if (IsPhantom() || aText.Len() == 0 || aText.GetChar(0) == xub_Unicode('\0'))
return;
SmTmpDevice aTmpDev ((OutputDevice &) rDev, FALSE);
aTmpDev.SetFont(GetFont());
Point aPos (rPosition);
aPos.Y() += GetBaselineOffset();
// auf Pixelkoordinaten runden
aPos = rDev.PixelToLogic( rDev.LogicToPixel(aPos) );
rDev.DrawStretchText(aPos, GetWidth(), aText);
#ifdef SM_RECT_DEBUG
if (!IsDebug())
return;
int nRFlags = SM_RECT_CORE | SM_RECT_ITALIC | SM_RECT_LINES | SM_RECT_MID;
SmRect::Draw(rDev, rPosition, nRFlags);
#endif
}
void SmTextNode::GetAccessibleText( String &rText ) const
{
rText += aText;
}
/**************************************************************************/
void SmMatrixNode::CreateTextFromNode(String &rText)
{
APPEND(rText,"matrix {");
for (int i = 0; i < nNumRows; i++)
{
for (int j = 0; j < nNumCols; j++)
{
SmNode *pNode = GetSubNode(i * nNumCols + j);
pNode->CreateTextFromNode(rText);
if (j != nNumCols-1)
APPEND(rText,"# ");
}
if (i != nNumRows-1)
APPEND(rText,"## ");
}
rText.EraseTrailingChars();
APPEND(rText,"} ");
}
void SmMatrixNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
Point aPosition,
aOffset;
SmNode *pNode;
int i, j;
// initialize array that is to hold the maximum widhts of all
// elements (subnodes) in that column.
long *pColWidth = new long[nNumCols];
for (j = 0; j < nNumCols; j++)
pColWidth[j] = 0;
// arrange subnodes and calculate the aboves arrays contents
for (i = GetNumSubNodes() - 1; i >= 0; i--)
if (pNode = GetSubNode(i))
{ pNode->Arrange(rDev, rFormat);
int nCol = i % nNumCols;
pColWidth[nCol]
= Max(pColWidth[nCol], pNode->GetItalicWidth());
}
// norm distance from which the following two are calcutated
const int nNormDist = 3 * GetFont().GetSize().Height();
// define horizontal and vertical minimal distances that seperate
// the elements
long nHorDist = nNormDist * rFormat.GetDistance(DIS_MATRIXCOL) / 100L,
nVerDist = nNormDist * rFormat.GetDistance(DIS_MATRIXROW) / 100L;
// build array that holds the leftmost position for each column
long *pColLeft = new long[nNumCols];
long nX = 0;
for (j = 0; j < nNumCols; j++)
{ pColLeft[j] = nX;
nX += pColWidth[j] + nHorDist;
}
Point aPos, aDelta;
SmRect aLineRect;
SmRect::operator = (SmRect());
for (i = 0; i < nNumRows; i++)
{ aLineRect = SmRect();
for (j = 0; j < nNumCols; j++)
{ SmNode *pNode = GetSubNode(i * nNumCols + j);
DBG_ASSERT(pNode, "Sm: NULL pointer");
const SmRect &rNodeRect = pNode->GetRect();
// align all baselines in that row if possible
aPos = rNodeRect.AlignTo(aLineRect, RP_RIGHT, RHA_CENTER, RVA_BASELINE);
aPos.X() += nHorDist;
// get horizontal alignment
const SmNode *pCoNode = pNode->GetLeftMost();
SmTokenType eType = pCoNode->GetToken().eType;
RectHorAlign eHorAlign = pCoNode->GetRectHorAlign();
// caculate horizontal position of element depending on column
// and horizontal alignment
switch (eHorAlign)
{ case RHA_LEFT:
aPos.X() = rNodeRect.GetLeft() + pColLeft[j];
break;
case RHA_CENTER:
aPos.X() = rNodeRect.GetLeft() + pColLeft[j]
+ pColWidth[j] / 2
- rNodeRect.GetItalicCenterX();
break;
case RHA_RIGHT:
aPos.X() = rNodeRect.GetLeft() + pColLeft[j]
+ pColWidth[j] - rNodeRect.GetItalicWidth();
break;
}
pNode->MoveTo(aPos);
aLineRect.ExtendBy(rNodeRect, RCP_XOR);
}
aPos = aLineRect.AlignTo(*this, RP_BOTTOM, RHA_CENTER, RVA_BASELINE);
aPos.Y() += nVerDist;
// move 'aLineRect' and rectangles in that line to final position
aDelta.X() = 0; // since horizontal alignment is already done
aDelta.Y() = aPos.Y() - aLineRect.GetTop();
aLineRect.Move(aDelta);
for (j = 0; j < nNumCols; j++)
if (pNode = GetSubNode(i * nNumCols + j))
pNode->Move(aDelta);
ExtendBy(aLineRect, RCP_NONE);
}
delete [] pColLeft;
delete [] pColWidth;
}
void SmMatrixNode::SetRowCol(USHORT nMatrixRows, USHORT nMatrixCols)
{
nNumRows = nMatrixRows;
nNumCols = nMatrixCols;
}
SmNode * SmMatrixNode::GetLeftMost()
{
return this;
}
/**************************************************************************/
SmMathSymbolNode::SmMathSymbolNode(const SmToken &rNodeToken)
: SmSpecialNode(NMATH, rNodeToken, FNT_MATH)
{
xub_Unicode cChar = GetToken().cMathChar;
if ((xub_Unicode) '\0' != cChar)
SetText( cChar );
}
void SmMathSymbolNode::AdaptToX(const OutputDevice &rDev, ULONG nWidth)
{
// Since there is no function to do this, we try to approximate it:
Size aFntSize (GetFont().GetSize());
//! however the result is a bit better with 'nWidth' as initial font width
aFntSize.Width() = nWidth;
GetFont().SetSize(aFntSize);
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
// get denominator of error factor for width
long nBorderWidth = GetFont().GetBorderWidth();
long nDenom = SmRect(aTmpDev, NULL, GetText(), nBorderWidth).GetItalicWidth();
// scale fontwidth with this error factor
aFntSize.Width() *= nWidth;
aFntSize.Width() /= nDenom ? nDenom : 1;
GetFont().SetSize(aFntSize);
}
void SmMathSymbolNode::AdaptToY(const OutputDevice &rDev, ULONG nHeight)
{
GetFont().FreezeBorderWidth();
Size aFntSize (GetFont().GetSize());
// da wir nur die H<>he skalieren wollen m<>sen wir hier ggf die Fontweite
// ermitteln um diese beizubehalten.
if (aFntSize.Width() == 0)
{
OutputDevice &rDevNC = (OutputDevice &) rDev;
rDevNC.Push(PUSH_FONT | PUSH_MAPMODE);
rDevNC.SetFont(GetFont());
aFntSize.Width() = rDev.GetFontMetric().GetSize().Width();
rDevNC.Pop();
}
DBG_ASSERT(aFntSize.Width() != 0, "Sm: ");
//! however the result is a bit better with 'nHeight' as initial
//! font height
aFntSize.Height() = nHeight;
GetFont().SetSize(aFntSize);
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
// get denominator of error factor for height
long nBorderWidth = GetFont().GetBorderWidth();
long nDenom = SmRect(aTmpDev, NULL, GetText(), nBorderWidth).GetHeight();
// scale fontwidth with this error factor
aFntSize.Height() *= nHeight;
aFntSize.Height() /= nDenom ? nDenom : 1;
GetFont().SetSize(aFntSize);
}
void SmMathSymbolNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell)
{
SmNode::Prepare(rFormat, rDocShell);
DBG_ASSERT(GetFont().GetCharSet() == RTL_TEXTENCODING_SYMBOL ||
GetFont().GetCharSet() == RTL_TEXTENCODING_UNICODE,
"incorrect charset for character from StarMath/StarSymbol font");
Flags() |= FLG_FONT | FLG_ITALIC;
};
void SmMathSymbolNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
const XubString &rText = GetText();
if (rText.Len() == 0 || rText.GetChar(0) == xub_Unicode('\0'))
{ SmRect::operator = (SmRect());
return;
}
PrepareAttributes();
GetFont() *= Fraction (rFormat.GetRelSize(SIZ_TEXT), 100);
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
SmRect::operator = (SmRect(aTmpDev, &rFormat, rText, GetFont().GetBorderWidth()));
}
void SmMathSymbolNode::CreateTextFromNode(String &rText)
{
String sStr;
MathType::LookupChar(GetToken().cMathChar, sStr);
rText.Append(sStr);
}
void SmRectangleNode::CreateTextFromNode(String &rText)
{
switch (GetToken().eType)
{
case TUNDERLINE:
APPEND(rText,"underline ");
break;
case TOVERLINE:
APPEND(rText,"overline ");
break;
case TOVERSTRIKE:
APPEND(rText,"overstrike ");
break;
default:
break;
}
}
void SmAttributNode::CreateTextFromNode(String &rText)
{
SmNode *pNode;
USHORT nSize = GetNumSubNodes();
DBG_ASSERT(nSize == 2, "Node missing members");
rText.Append('{');
sal_Unicode nLast=0;
if (pNode = GetSubNode(0))
{
String aStr;
pNode->CreateTextFromNode(aStr);
if (aStr.Len() > 1)
rText.Append(aStr);
else
{
nLast = aStr.GetChar(0);
switch (nLast)
{
case 0xAF:
APPEND(rText,"overline ");
break;
case 0x2d9:
APPEND(rText,"dot ");
break;
case 0x2dc:
APPEND(rText,"widetilde ");
break;
case 0xA8:
APPEND(rText,"ddot ");
break;
case 0xE082:
break;
case 0xE09B:
APPEND(rText,"dddot ");
break;
default:
rText.Append(nLast);
break;
}
}
}
if (nSize == 2)
if (pNode = GetSubNode(1))
pNode->CreateTextFromNode(rText);
rText.EraseTrailingChars();
if (nLast == 0xE082)
APPEND(rText," overbrace {}");
APPEND(rText,"} ");
}
/**************************************************************************/
void SmSpecialNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell)
{
SmNode::Prepare(rFormat, rDocShell);
const SmSym *pSym;
SmModule *pp = SM_MOD1();
if (pSym = rDocShell.GetSymSetManager().GetSymbolByName(GetToken().aText))
{
SetText( pSym->GetCharacter() );
GetFont() = pSym->GetFace();
}
else
{
SetText( GetToken().aText );
GetFont() = rFormat.GetFont(FNT_VARIABLE);
}
// use same font size as is used for variables
GetFont().SetSize( rFormat.GetFont( FNT_VARIABLE ).GetSize() );
//! eigentlich sollten nur WEIGHT_NORMAL und WEIGHT_BOLD vorkommen...
//! In der sms-Datei gibt es jedoch zB auch 'WEIGHT_ULTRALIGHT'
//! daher vergleichen wir hier mit > statt mit != .
//! (Langfristig sollte die Notwendigkeit f<>r 'PrepareAttribut', und damit
//! f<>r dieses hier, mal entfallen.)
//
//! see also SmFontStyles::GetStyleName
if (GetFont().GetWeight() > WEIGHT_NORMAL)
SetAttribut(ATTR_BOLD);
if (GetFont().GetItalic() != ITALIC_NONE)
SetAttribut(ATTR_ITALIC);
Flags() |= FLG_FONT;
};
void SmSpecialNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
PrepareAttributes();
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
SmRect::operator = (SmRect(aTmpDev, &rFormat, GetText(), GetFont().GetBorderWidth()));
}
void SmSpecialNode::Draw(OutputDevice &rDev, const Point& rPosition) const
{
//! since this chars might come from any font, that we may not have
//! set to ALIGN_BASELINE yet, we do it now.
((SmSpecialNode *)this)->GetFont().SetAlign(ALIGN_BASELINE);
SmTextNode::Draw(rDev, rPosition);
}
/**************************************************************************/
void SmGlyphSpecialNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
PrepareAttributes();
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
SmRect::operator = (SmRect(aTmpDev, &rFormat, GetText(),
GetFont().GetBorderWidth()).AsGlyphRect());
}
/**************************************************************************/
void SmPlaceNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell)
{
SmNode::Prepare(rFormat, rDocShell);
GetFont().SetColor(COL_GRAY);
Flags() |= FLG_COLOR | FLG_FONT | FLG_ITALIC;
};
void SmPlaceNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
PrepareAttributes();
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
SmRect::operator = (SmRect(aTmpDev, &rFormat, GetText(), GetFont().GetBorderWidth()));
}
/**************************************************************************/
void SmErrorNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell)
{
SmNode::Prepare(rFormat, rDocShell);
GetFont().SetColor(COL_RED);
Flags() |= FLG_VISIBLE | FLG_BOLD | FLG_ITALIC
| FLG_COLOR | FLG_FONT | FLG_SIZE;
}
void SmErrorNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
PrepareAttributes();
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
const XubString &rText = GetText();
DBG_ASSERT(rText.Len() == 1 && rText.GetChar(0) == (xub_Unicode) MS_ERROR,
"Sm : Text ist kein ERROR Symbol");
SmRect::operator = (SmRect(aTmpDev, &rFormat, rText, GetFont().GetBorderWidth()));
}
/**************************************************************************/
void SmBlankNode::IncreaseBy(const SmToken &rToken)
{
switch(rToken.eType)
{
case TBLANK: nNum += 4; break;
case TSBLANK: nNum += 1; break;
}
}
void SmBlankNode::Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell)
{
SmNode::Prepare(rFormat, rDocShell);
//! hier mu<6D>/sollte es lediglich nicht der StarMath Font sein,
//! damit f<>r das in Arrange verwendete Zeichen ein "normales"
//! (ungecliptes) Rechteck erzeugt wird.
GetFont() = rFormat.GetFont(FNT_VARIABLE);
Flags() |= FLG_FONT | FLG_BOLD | FLG_ITALIC;
}
void SmBlankNode::Arrange(const OutputDevice &rDev, const SmFormat &rFormat)
{
SmTmpDevice aTmpDev ((OutputDevice &) rDev, TRUE);
aTmpDev.SetFont(GetFont());
// Abstand von der Fonth<74>he abh<62>ngig machen
// (damit er beim skalieren (zB size *2 {a ~ b}) mitw<74>chst)
long nDist = GetFont().GetSize().Height() / 10L,
nSpace = nNum * nDist;
// ein SmRect mit Baseline und allem drum und dran besorgen
SmRect::operator = (SmRect(aTmpDev, &rFormat, XubString(xub_Unicode(' ')),
GetFont().GetBorderWidth()));
// und dieses auf die gew<65>nschte Breite bringen
SetItalicSpaces(0, 0);
SetWidth(nSpace);
}
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