xref: /aoo41x/main/sw/source/core/inc/drawfont.hxx (revision 1d2dbeb0)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/


#ifndef	_DRAWFONT_HXX
#define	_DRAWFONT_HXX

#include <tools/solar.h>
#include <tools/string.hxx>
#include <errhdl.hxx>

class SwTxtFrm;
class OutputDevice;
class ViewShell;
class SwScriptInfo;
class Point;
class SwWrongList;
class Size;
class SwFont;
class Font;
class SwUnderlineFont;

/*************************************************************************
 *                      class SwDrawTextInfo
 *
 * encapsulates information for drawing text
 *************************************************************************/

class SwDrawTextInfo
{
    const SwTxtFrm* pFrm;
	OutputDevice* pOut;
	ViewShell* pSh;
    const SwScriptInfo* pScriptInfo;
	const Point* pPos;
	const XubString* pText;
	const SwWrongList* pWrong;
    const SwWrongList* pGrammarCheck;
    const SwWrongList* pSmartTags; // SMARTTAGS
    const Size* pSize;
	SwFont *pFnt;
    SwUnderlineFont* pUnderFnt;
	xub_StrLen* pHyphPos;
    long nLeft;
	long nRight;
	long nKanaDiff;
	xub_StrLen nIdx;
	xub_StrLen nLen;
    xub_StrLen nOfst;
	sal_uInt16 nWidth;
	sal_uInt16 nAscent;
    sal_uInt16 nCompress;
    long nSperren;
    long nSpace;
    long nKern;
    xub_StrLen nNumberOfBlanks;
    sal_uInt8 nCursorBidiLevel;
	sal_Bool bBullet : 1;
	sal_Bool bUpper : 1;		// Fuer Kapitaelchen: Grossbuchstaben-Flag
	sal_Bool bDrawSpace : 1;	// Fuer Kapitaelchen: Unter/Durchstreichung
	sal_Bool bGreyWave	: 1;	// Graue Wellenlinie beim extended TextInput
    sal_Bool bSpaceStop : 1;    // For underlining we need to know, if a portion
                            // is right in front of a hole portion or a
                            // fix margin portion.
    sal_Bool bSnapToGrid : 1;   // Does paragraph snap to grid?
    sal_Bool bIgnoreFrmRTL : 1; // Paint text as if text has LTR direction, used for
                            // line numbering
    sal_Bool bPosMatchesBounds :1;  // GetCrsrOfst should not return the next
                                // position if screen position is inside second
                                // half of bound rect, used for Accessibility

    SwDrawTextInfo();       // nicht zulaessig
public:

#ifdef DBG_UTIL
    sal_Bool bPos   : 1;            // These flags should control, that the appropriate
    sal_Bool bWrong : 1;            // Set-function has been called before calling
    sal_Bool bGrammarCheck : 1;     //  the Get-function of a member
    sal_Bool bSize  : 1;
    sal_Bool bFnt   : 1;
    sal_Bool bHyph  : 1;
    sal_Bool bLeft  : 1;
    sal_Bool bRight : 1;
    sal_Bool bKana  : 1;
    sal_Bool bOfst  : 1;
    sal_Bool bAscent: 1;
	sal_Bool bSperr : 1;
    sal_Bool bSpace : 1;
    sal_Bool bNumberOfBlanks : 1;
    sal_Bool bUppr  : 1;
	sal_Bool bDrawSp: 1;
#endif

    SwDrawTextInfo( ViewShell *pS, OutputDevice &rO, const SwScriptInfo* pSI,
					const XubString &rSt, xub_StrLen nI, xub_StrLen nL,
                    sal_uInt16 nW = 0, sal_Bool bB = sal_False )
    {
        pFrm = NULL;
        pSh = pS;
        pOut = &rO;
        pScriptInfo = pSI;
        pText = &rSt;
        nIdx = nI;
        nLen = nL;
        nKern = 0;
        nCompress = 0;
        nWidth = nW;
        nNumberOfBlanks = 0;
        nCursorBidiLevel = 0;
        bBullet = bB;
        pUnderFnt = 0;
        bGreyWave = sal_False;
        bSpaceStop = sal_False;
        bSnapToGrid = sal_False;
        bIgnoreFrmRTL = sal_False;
        bPosMatchesBounds = sal_False;

        // These values are initialized but, they have to be
        // set explicitly via their Set-function before they may
        // be accessed by their Get-function:
        pPos = 0;
        pWrong = 0;
        pGrammarCheck = 0;
        pSmartTags = 0;
        pSize = 0;
        pFnt = 0;
        pHyphPos = 0;
        nLeft = 0;
        nRight = 0;
        nKanaDiff = 0;
        nOfst = 0;
        nAscent = 0;
        nSperren = 0;
        nSpace = 0;
        bUpper = sal_False;
        bDrawSpace = sal_False;

#ifdef DBG_UTIL
        // these flags control, whether the matching member variables have
        // been set by using the Set-function before they may be accessed
        // by their Get-function:
        bPos = bWrong = bGrammarCheck = bSize = bFnt = bAscent = bSpace = bNumberOfBlanks = bUppr =
        bDrawSp = bLeft = bRight = bKana = bOfst = bHyph = bSperr = sal_False;
#endif
	}

    const SwTxtFrm* GetFrm() const
    {
        return pFrm;
    }

    void SetFrm( const SwTxtFrm* pNewFrm )
    {
        pFrm = pNewFrm;
    }

    ViewShell *GetShell() const
    {
        return pSh;
    }

    OutputDevice& GetOut() const
    {
        return *pOut;
	}

    OutputDevice *GetpOut() const
    {
        return pOut;
	}

    const SwScriptInfo* GetScriptInfo() const
    {
        return pScriptInfo;
    }

    const Point &GetPos() const
    {
		ASSERT( bPos, "DrawTextInfo: Undefined Position" );
		return *pPos;
	}

    xub_StrLen *GetHyphPos() const
    {
		ASSERT( bHyph, "DrawTextInfo: Undefined Hyph Position" );
		return pHyphPos;
	}

    const XubString &GetText() const
    {
        return *pText;
	}

    const SwWrongList* GetWrong() const
    {
		ASSERT( bWrong, "DrawTextInfo: Undefined WrongList" );
		return pWrong;
	}

    const SwWrongList* GetGrammarCheck() const
    {
        ASSERT( bGrammarCheck, "DrawTextInfo: Undefined GrammarCheck List" );
        return pGrammarCheck;
    }

    const SwWrongList* GetSmartTags() const
    {
        return pSmartTags;
    }

    const Size &GetSize() const
    {
		ASSERT( bSize, "DrawTextInfo: Undefined Size" );
		return *pSize;
	}

    SwFont* GetFont() const
    {
		ASSERT( bFnt, "DrawTextInfo: Undefined Font" );
		return pFnt;
	}

    SwUnderlineFont* GetUnderFnt() const
    {
        return pUnderFnt;
	}

    xub_StrLen GetIdx() const
    {
        return nIdx;
	}

    xub_StrLen GetLen() const
    {
        return nLen;
	}

    xub_StrLen GetOfst() const
    {
        ASSERT( bOfst, "DrawTextInfo: Undefined Offset" );
		return nOfst;
	}

    xub_StrLen GetEnd() const
    {
        return nIdx + nLen;
	}

    long GetLeft() const
    {
		ASSERT( bLeft, "DrawTextInfo: Undefined left range" );
		return nLeft;
	}

    long GetRight() const
    {
		ASSERT( bRight, "DrawTextInfo: Undefined right range" );
		return nRight;
	}

    long GetKanaDiff() const
    {
		ASSERT( bKana, "DrawTextInfo: Undefined kana difference" );
		return nKanaDiff;
	}

    sal_uInt16 GetWidth() const
    {
        return nWidth;
	}

    sal_uInt16 GetAscent() const
    {
		ASSERT( bAscent, "DrawTextInfo: Undefined Ascent" );
		return nAscent;
	}

    sal_uInt16 GetKanaComp() const
    {
        return nCompress;
	}

    long GetSperren() const
    {
		ASSERT( bSperr, "DrawTextInfo: Undefined >Sperren<" );
		return nSperren;
	}

    long GetKern() const
    {
        return nKern;
	}

    long GetSpace() const
    {
		ASSERT( bSpace, "DrawTextInfo: Undefined Spacing" );
        return nSpace;
	}

    xub_StrLen GetNumberOfBlanks() const
    {
        ASSERT( bNumberOfBlanks, "DrawTextInfo::Undefined NumberOfBlanks" );
        return nNumberOfBlanks;
    }

    sal_uInt8 GetCursorBidiLevel() const
    {
        return nCursorBidiLevel;
    }

    sal_Bool GetBullet() const
    {
        return bBullet;
	}

    sal_Bool GetUpper() const
    {
		ASSERT( bUppr, "DrawTextInfo: Undefined Upperflag" );
		return bUpper;
	}

    sal_Bool GetDrawSpace() const
    {
		ASSERT( bDrawSp, "DrawTextInfo: Undefined DrawSpaceflag" );
		return bDrawSpace;
	}

    sal_Bool GetGreyWave() const
    {
        return bGreyWave;
	}

    sal_Bool IsSpaceStop() const
    {
        return bSpaceStop;
	}

    sal_Bool SnapToGrid() const
    {
        return bSnapToGrid;
    }

    sal_Bool IsIgnoreFrmRTL() const
    {
        return bIgnoreFrmRTL;
    }

    sal_Bool IsPosMatchesBounds() const
    {
        return bPosMatchesBounds;
    }

    void SetOut( OutputDevice &rNew )
    {
        pOut = &rNew;
    }

    void SetPos( const Point &rNew )
    {
        pPos = &rNew;
#ifdef DBG_UTIL
		bPos = sal_True;
#endif
	}

    void SetHyphPos( xub_StrLen *pNew )
    {
        pHyphPos = pNew;
#ifdef DBG_UTIL
		bHyph = sal_True;
#endif
	}

    void SetText( const XubString &rNew )
    {
        pText = &rNew;
    }

    void SetWrong( const SwWrongList* pNew )
    {
        pWrong = pNew;
#ifdef DBG_UTIL
		bWrong = sal_True;
#endif
	}

    void SetGrammarCheck( const SwWrongList* pNew )
    {
        pGrammarCheck = pNew;
#ifdef DBG_UTIL
        bGrammarCheck = sal_True;
#endif
    }

    void SetSmartTags( const SwWrongList* pNew )
    {
        pSmartTags = pNew;
    }

    void SetSize( const Size &rNew )
    {
        pSize = &rNew;
#ifdef DBG_UTIL
		bSize = sal_True;
#endif
	}

    void SetFont( SwFont* pNew )
    {
        pFnt = pNew;
#ifdef DBG_UTIL
		bFnt = sal_True;
#endif
	}

    void SetIdx( xub_StrLen nNew )
    {
        nIdx = nNew;
    }

    void SetLen( xub_StrLen nNew )
    {
        nLen = nNew;
    }

    void SetOfst( xub_StrLen nNew )
    {
        nOfst = nNew;
#ifdef DBG_UTIL
		bOfst = sal_True;
#endif
	}

    void SetLeft( long nNew )
    {
        nLeft = nNew;
#ifdef DBG_UTIL
		bLeft = sal_True;
#endif
	}

    void SetRight( long nNew )
    {
        nRight = nNew;
#ifdef DBG_UTIL
		bRight = sal_True;
#endif
	}

    void SetKanaDiff( long nNew )
    {
        nKanaDiff = nNew;
#ifdef DBG_UTIL
		bKana = sal_True;
#endif
	}

    void SetWidth( sal_uInt16 nNew )
    {
        nWidth = nNew;
    }

    void SetAscent( sal_uInt16 nNew )
    {
        nAscent = nNew;
#ifdef DBG_UTIL
		bAscent = sal_True;
#endif
	}

    void SetKern( long nNew )
    {
        nKern = nNew;
    }

    void SetSpace( long nNew )
    {
		if( nNew < 0 )
		{
            nSperren = -nNew;
            nSpace = 0;
		}
		else
		{
			nSpace = nNew;
            nSperren = 0;
		}
#ifdef DBG_UTIL
		bSpace = sal_True;
        bSperr = sal_True;
#endif
	}

    void SetNumberOfBlanks( xub_StrLen nNew )
    {
#ifdef DBG_UTIL
        bNumberOfBlanks = sal_True;
#endif
        nNumberOfBlanks = nNew;
    }

    void SetCursorBidiLevel( sal_uInt8 nNew )
    {
        nCursorBidiLevel = nNew;
    }

    void SetKanaComp( short nNew )
    {
		nCompress = nNew;
	}

    void SetBullet( sal_Bool bNew )
    {
        bBullet = bNew;
    }

    void SetUnderFnt( SwUnderlineFont* pULFnt )
    {
        pUnderFnt = pULFnt;
    }

    void SetUpper( sal_Bool bNew )
    {
        bUpper = bNew;
#ifdef DBG_UTIL
		bUppr = sal_True;
#endif
	}

    void SetDrawSpace( sal_Bool bNew )
    {
        bDrawSpace = bNew;
#ifdef DBG_UTIL
		bDrawSp = sal_True;
#endif
	}

    void SetGreyWave( sal_Bool bNew )
    {
        bGreyWave = bNew;
    }

    void SetSpaceStop( sal_Bool bNew )
    {
        bSpaceStop = bNew;
    }

    void SetSnapToGrid( sal_Bool bNew )
    {
        bSnapToGrid = bNew;
    }

    void SetIgnoreFrmRTL( sal_Bool bNew )
    {
        bIgnoreFrmRTL = bNew;
    }

    void SetPosMatchesBounds( sal_Bool bNew )
    {
        bPosMatchesBounds = bNew;
    }

    void Shift( sal_uInt16 nDir );

    // sets a new color at the output device if necessary
    // if a font is passed as argument, the change if made to the font
    // otherwise the font at the output device is changed
    // returns if the font has been changed
    sal_Bool ApplyAutoColor( Font* pFnt = 0 );
};

#endif