/* -*- 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 #include #include #include #include #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: */