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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef RECT_HXX
#define RECT_HXX
#include <new>
#include <tools/gen.hxx>
#include <vcl/outdev.hxx>
#include <vcl/metric.hxx>
#include <tools/debug.hxx>
#include "format.hxx"
BOOL SmGetGlyphBoundRect(const OutputDevice &rDev,
const XubString &rText, Rectangle &rRect);
BOOL SmIsMathAlpha(const XubString &rText);
inline long SmFromTo(long nFrom, long nTo, double fRelDist)
{
return nFrom + (long) (fRelDist * (nTo - nFrom));
}
////////////////////////////////////////
// SmRect
// ... (to be done)
// This Implementation assumes that the x-axis points to the right and the
// y-axis to the bottom.
// Note: however, italic spaces can be negative!
//
// possible flags for the 'Draw' function below (just for debugging)
#define SM_RECT_CORE 0x0001
#define SM_RECT_ITALIC 0x0002
#define SM_RECT_LINES 0x0004
#define SM_RECT_MID 0x0008
// possible positions and alignments for the 'AlignTo' function
enum RectPos
// (RP_LEFT : align the current object to the left of the argument, ...)
{ RP_LEFT, RP_RIGHT,
RP_TOP, RP_BOTTOM,
RP_ATTRIBUT
};
enum RectHorAlign
{ RHA_LEFT, RHA_CENTER, RHA_RIGHT
};
enum RectVerAlign
{ RVA_TOP, RVA_MID, RVA_BOTTOM, RVA_BASELINE, RVA_CENTERY,
RVA_ATTRIBUT_HI, RVA_ATTRIBUT_MID, RVA_ATTRIBUT_LO
};
// different methods of copying baselines and mid's in 'ExtendBy' function
enum RectCopyMBL
{ RCP_THIS, // keep baseline of current object even if it has none
RCP_ARG, // as above but for the argument
RCP_NONE, // result will have no baseline
RCP_XOR // if current object has a baseline keep it else copy
// the arguments baseline (even if it has none)
};
class SmRect
{
Point aTopLeft;
Size aSize;
long nBaseline,
nAlignT,
nAlignM,
nAlignB,
nGlyphTop,
nGlyphBottom,
nItalicLeftSpace,
nItalicRightSpace,
nLoAttrFence,
nHiAttrFence;
USHORT nBorderWidth;
BOOL bHasBaseline,
bHasAlignInfo;
protected:
void BuildRect (const OutputDevice &rDev, const SmFormat *pFormat,
const XubString &rText, USHORT nBorderWidth);
void Init(const OutputDevice &rDev, const SmFormat *pFormat,
const XubString &rText, USHORT nBorderWidth);
void ClearBaseline() { bHasBaseline = FALSE; };
inline void CopyMBL(const SmRect& rRect);
void CopyAlignInfo(const SmRect& rRect);
SmRect & Union(const SmRect &rRect);
public:
SmRect();
SmRect(const OutputDevice &rDev, const SmFormat *pFormat,
const XubString &rText, long nBorderWidth);
SmRect(long nWidth, long nHeight);
SmRect(const SmRect &rRect);
USHORT GetBorderWidth() const { return nBorderWidth; }
void SetItalicSpaces(long nLeftSpace, long nRightSpace);
void SetWidth(ULONG nWidth) { aSize.Width() = nWidth; }
void SetHeight(ULONG nHeight) { aSize.Height() = nHeight; }
void SetLeft(long nLeft);
void SetRight(long nRight);
void SetBottom(long nBottom);
void SetTop(long nTop);
const Point & GetTopLeft() const { return aTopLeft; }
long GetTop() const { return GetTopLeft().Y(); }
long GetLeft() const { return GetTopLeft().X(); }
long GetBottom() const { return GetTop() + GetHeight() - 1; }
long GetRight() const { return GetLeft() + GetWidth() - 1; }
long GetCenterX() const { return (GetLeft() + GetRight()) / 2L; }
long GetCenterY() const { return (GetTop() + GetBottom()) / 2L; }
long GetWidth() const { return GetSize().Width(); }
long GetHeight() const { return GetSize().Height(); }
long GetItalicLeftSpace() const { return nItalicLeftSpace; }
long GetItalicRightSpace() const { return nItalicRightSpace; }
void SetHiAttrFence(long nVal) { nHiAttrFence = nVal; }
void SetLoAttrFence(long nVal) { nLoAttrFence = nVal; }
long GetHiAttrFence() const { return nHiAttrFence; }
long GetLoAttrFence() const { return nLoAttrFence; }
long GetItalicLeft() const { return GetLeft() - GetItalicLeftSpace(); }
long GetItalicCenterX() const { return (GetItalicLeft() + GetItalicRight()) / 2; }
long GetItalicRight() const { return GetRight() + GetItalicRightSpace(); }
long GetItalicWidth() const { return GetWidth() + GetItalicLeftSpace() + GetItalicRightSpace(); }
BOOL HasBaseline() const { return bHasBaseline; }
inline long GetBaseline() const;
long GetBaselineOffset() const { return GetBaseline() - GetTop(); }
void SetAlignTop(long nVal) { nAlignT = nVal; }
long GetAlignT() const { return nAlignT; }
long GetAlignM() const { return nAlignM; }
long GetAlignB() const { return nAlignB; }
void SetAlignT(long nVal) { nAlignT = nVal; }
const Point GetCenter() const
{ return Point(GetCenterX(), GetCenterY()); }
const Size & GetSize() const { return aSize; }
const Size GetItalicSize() const
{ return Size(GetItalicWidth(), GetHeight()); }
void Move (const Point &rPosition);
void MoveTo(const Point &rPosition) { Move(rPosition - GetTopLeft()); }
BOOL IsEmpty() const
{
return GetWidth() == 0 || GetHeight() == 0;
}
BOOL HasAlignInfo() const { return bHasAlignInfo; }
const Point AlignTo(const SmRect &rRect, RectPos ePos,
RectHorAlign eHor, RectVerAlign eVer) const;
SmRect & ExtendBy(const SmRect &rRect, RectCopyMBL eCopyMode);
SmRect & ExtendBy(const SmRect &rRect, RectCopyMBL eCopyMode,
long nNewAlignM);
SmRect & ExtendBy(const SmRect &rRect, RectCopyMBL eCopyMode,
BOOL bKeepVerAlignParams);
long OrientedDist(const Point &rPoint) const;
BOOL IsInsideRect(const Point &rPoint) const;
BOOL IsInsideItalicRect(const Point &rPoint) const;
inline SmRect & operator = (const SmRect &rRect);
inline Rectangle AsRectangle() const;
SmRect AsGlyphRect() const;
#ifdef SM_RECT_DEBUG
void Draw(OutputDevice &rDev, const Point &rPosition, int nFlags) const;
#endif
};
inline void SmRect::SetItalicSpaces(long nLeftSpace, long nRightSpace)
// set extra spacing to the left and right for (italic)
// letters/text
{
nItalicLeftSpace = nLeftSpace;
nItalicRightSpace = nRightSpace;
}
inline void SmRect::CopyMBL(const SmRect &rRect)
// copy AlignM baseline and value of 'rRect'
{
nBaseline = rRect.nBaseline;
bHasBaseline = rRect.bHasBaseline;
nAlignM = rRect.nAlignM;
}
inline long SmRect::GetBaseline() const
{
DBG_ASSERT(HasBaseline(), "Sm: Baseline nicht vorhanden");
return nBaseline;
}
inline SmRect & SmRect::operator = (const SmRect &rRect)
{
new (this) SmRect(rRect); // placement new
return *this;
}
inline Rectangle SmRect::AsRectangle() const
{
return Rectangle(Point(GetItalicLeft(), GetTop()), GetItalicSize());
}
#endif
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