Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 216 insertions, 0 deletions

diff --git a/starmath/inc/rect.hxx b/starmath/inc/rect.hxx
new file mode 100644
index 000000000..0b28581a0
--- /dev/null
+++ b/starmath/inc/rect.hxx
@@ -0,0 +1,216 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <rtl/ustring.hxx>
+#include <sal/log.hxx>
+#include <tools/gen.hxx>
+#include <vcl/outdev.hxx>
+
+class SmFormat;
+
+
+inline tools::Long SmFromTo(tools::Long nFrom, tools::Long nTo, double fRelDist)
+{
+    return nFrom + static_cast<tools::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 positions and alignments for the 'AlignTo' function
+enum class RectPos
+{
+    Left, // align the current object to the left of the argument
+    Right,
+    Top,
+    Bottom,
+    Attribute
+};
+
+enum class RectHorAlign
+{
+    Left,
+    Center,
+    Right
+};
+
+enum class RectVerAlign
+{
+    Top,
+    Mid,
+    Bottom,
+    Baseline,
+    CenterY,
+    AttributeHi,
+    AttributeMid,
+    AttributeLo
+};
+
+// different methods of copying baselines and mid's in 'ExtendBy' function
+enum class RectCopyMBL
+{
+    This,   // keep baseline of current object even if it has none
+    Arg,    // as above but for the argument
+    None,   // result will have no baseline
+    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;
+    tools::Long    nBaseline,
+            nAlignT,
+            nAlignM,
+            nAlignB,
+            nGlyphTop,
+            nGlyphBottom,
+            nItalicLeftSpace,
+            nItalicRightSpace,
+            nLoAttrFence,
+            nHiAttrFence;
+    sal_uInt16  nBorderWidth;
+    bool    bHasBaseline,
+            bHasAlignInfo;
+
+    inline  void CopyMBL(const SmRect& rRect);
+            void CopyAlignInfo(const SmRect& rRect);
+
+            void Union(const SmRect &rRect);
+
+public:
+            SmRect();
+            SmRect(const OutputDevice &rDev, const SmFormat *pFormat,
+                   const OUString &rText, sal_uInt16 nBorderWidth);
+            SmRect(tools::Long nWidth, tools::Long nHeight);
+
+
+            sal_uInt16  GetBorderWidth() const  { return nBorderWidth; }
+
+            void SetItalicSpaces(tools::Long nLeftSpace, tools::Long nRightSpace);
+
+            void SetWidth(sal_uLong nWidth)     { aSize.setWidth(nWidth); }
+
+            void SetLeft(tools::Long nLeft);
+            void SetRight(tools::Long nRight);
+            void SetBottom(tools::Long nBottom);
+            void SetTop(tools::Long nTop);
+
+            const Point & GetTopLeft() const { return aTopLeft; }
+
+            tools::Long GetTop()     const { return GetTopLeft().Y(); }
+            tools::Long GetLeft()    const { return GetTopLeft().X(); }
+            tools::Long GetBottom()  const { return GetTop() + GetHeight() - 1; }
+            tools::Long GetRight()   const { return GetLeft() + GetWidth() - 1; }
+            tools::Long GetCenterY() const { return (GetTop() + GetBottom()) / 2; }
+            tools::Long GetWidth()   const { return GetSize().Width(); }
+            tools::Long GetHeight()  const { return GetSize().Height(); }
+
+            tools::Long GetItalicLeftSpace()  const { return nItalicLeftSpace; }
+            tools::Long GetItalicRightSpace() const { return nItalicRightSpace; }
+
+            tools::Long GetHiAttrFence() const     { return nHiAttrFence; }
+            tools::Long GetLoAttrFence() const     { return nLoAttrFence; }
+
+            tools::Long GetItalicLeft() const      { return GetLeft() - GetItalicLeftSpace(); }
+            tools::Long GetItalicCenterX() const   { return (GetItalicLeft() + GetItalicRight()) / 2; }
+            tools::Long GetItalicRight() const     { return GetRight() + GetItalicRightSpace(); }
+            tools::Long GetItalicWidth() const     { return GetWidth() + GetItalicLeftSpace() + GetItalicRightSpace(); }
+
+            bool HasBaseline() const        { return bHasBaseline; }
+    inline  tools::Long GetBaseline() const;
+            tools::Long GetBaselineOffset() const  { return GetBaseline() - GetTop(); }
+
+            tools::Long GetAlignT() const  { return nAlignT; }
+            tools::Long GetAlignM() const  { return nAlignM; }
+            tools::Long GetAlignB() const  { return nAlignB; }
+
+            const Size & GetSize() const    { return aSize; }
+
+            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; }
+
+            Point AlignTo(const SmRect &rRect, RectPos ePos,
+                                RectHorAlign eHor, RectVerAlign eVer) const;
+
+            SmRect & ExtendBy(const SmRect &rRect, RectCopyMBL eCopyMode);
+            void     ExtendBy(const SmRect &rRect, RectCopyMBL eCopyMode,
+                              tools::Long nNewAlignM);
+            SmRect & ExtendBy(const SmRect &rRect, RectCopyMBL eCopyMode,
+                      bool bKeepVerAlignParams);
+
+            tools::Long    OrientedDist(const Point &rPoint) const;
+            bool    IsInsideRect(const Point &rPoint) const;
+            bool    IsInsideItalicRect(const Point &rPoint) const;
+
+    inline  tools::Rectangle   AsRectangle() const;
+            SmRect      AsGlyphRect() const;
+};
+
+
+inline void SmRect::SetItalicSpaces(tools::Long nLeftSpace, tools::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 tools::Long SmRect::GetBaseline() const
+{
+    SAL_WARN_IF( !HasBaseline(), "starmath", "Baseline does not exist" );
+    return nBaseline;
+}
+
+
+inline tools::Rectangle SmRect::AsRectangle() const
+{
+    return tools::Rectangle(Point(GetItalicLeft(), GetTop()), GetItalicSize());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */