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Diffstat (limited to 'starmath/inc/rect.hxx')
-rw-r--r-- | starmath/inc/rect.hxx | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/starmath/inc/rect.hxx b/starmath/inc/rect.hxx new file mode 100644 index 000000000000..f1af81c5c163 --- /dev/null +++ b/starmath/inc/rect.hxx @@ -0,0 +1,260 @@ +/************************************************************************* + * + * 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 |