7d99ec7f7e
Change-Id: I45a716abba68521c5ebc203eed205e717efead7b Reviewed-on: https://gerrit.libreoffice.org/8315 Tested-by: Caolán McNamara <caolanm@redhat.com> Reviewed-by: Caolán McNamara <caolanm@redhat.com>
247 lines
8.3 KiB
C++
247 lines
8.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* 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 .
|
|
*/
|
|
|
|
#ifndef INCLUDED_STARMATH_INC_RECT_HXX
|
|
#define INCLUDED_STARMATH_INC_RECT_HXX
|
|
|
|
#include <new>
|
|
|
|
#include <rtl/ustring.hxx>
|
|
#include <tools/gen.hxx>
|
|
#include <vcl/outdev.hxx>
|
|
#include <vcl/metric.hxx>
|
|
|
|
#include "format.hxx"
|
|
|
|
|
|
bool SmGetGlyphBoundRect(const OutputDevice &rDev,
|
|
const OUString &rText, Rectangle &rRect);
|
|
|
|
bool SmIsMathAlpha(const OUString &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;
|
|
sal_uInt16 nBorderWidth;
|
|
bool bHasBaseline,
|
|
bHasAlignInfo;
|
|
|
|
protected:
|
|
void BuildRect (const OutputDevice &rDev, const SmFormat *pFormat,
|
|
const OUString &rText, sal_uInt16 nBorderWidth);
|
|
void Init(const OutputDevice &rDev, const SmFormat *pFormat,
|
|
const OUString &rText, sal_uInt16 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 OUString &rText, long nBorderWidth);
|
|
SmRect(long nWidth, long nHeight);
|
|
SmRect(const SmRect &rRect);
|
|
|
|
|
|
sal_uInt16 GetBorderWidth() const { return nBorderWidth; }
|
|
|
|
void SetItalicSpaces(long nLeftSpace, long nRightSpace);
|
|
|
|
void SetWidth(sal_uLong nWidth) { aSize.Width() = nWidth; }
|
|
void SetHeight(sal_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;
|
|
};
|
|
|
|
|
|
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
|
|
{
|
|
SAL_WARN_IF( !HasBaseline(), "starmath", "Baseline does not exist" );
|
|
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
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|