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200 lines
5.4 KiB
200 lines
5.4 KiB
15 years ago
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/*
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* Copyright (c) 2002-2003 Nicolas HADACEK (hadacek@kde.org)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef MISC_H
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#define MISC_H
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#include <math.h>
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#include <qcolor.h>
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#include <qdom.h>
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#include <qsize.h>
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#include <qvaluevector.h>
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#include <qdict.h>
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#include <qmap.h>
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class LinkAction;
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class Catalog;
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class GfxRGB;
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class GfxState;
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namespace PDFImport
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{
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// FIX for Qt 3.0
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// qvaluevector bug - qheapsort uses 'count' but qvaluevector has only 'size'
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template <class Container>
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inline void qHeapSort2( Container &c )
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{
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if ( c.begin() == c.end() )
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return;
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// The second last parameter is a hack to retrieve the value type
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// Do the real sorting here
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qHeapSortHelper( c.begin(), c.end(), *(c.begin()), (uint)c.size() );
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}
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enum ParagraphType { Body = 0, Header, Footer, Nb_ParagraphTypes };
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//-----------------------------------------------------------------------------
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enum FontFamily { Times = 0, Helvetica, Courier, Symbol, Nb_Family };
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enum FontStyle { Regular, Bold, Italic, BoldItalic };
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inline FontStyle toStyle(bool bold, bool italic) {
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return (bold ? (italic ? BoldItalic : Bold)
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: (italic ? Italic : Regular) );
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}
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inline bool isItalic(FontStyle style) {
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return (style==Italic || style==BoldItalic);
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}
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inline bool isBold(FontStyle style) {
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return (style==Bold || style==BoldItalic);
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}
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//-----------------------------------------------------------------------------
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inline double mmToPoint(double mm) { return mm * 72 / 25.4; }
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inline bool equal(double d1, double d2, double percent = 0.01) {
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double delta = percent * (fabs(d1)+fabs(d2)) / 2;
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return ( fabs(d1 - d2)<delta );
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}
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inline bool more(double d1, double d2, double percent = 0.01) {
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double delta = percent * (fabs(d1)+fabs(d2)) / 2;
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return ( (d2-d1)<delta );
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}
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inline bool less(double d1, double d2, double percent = 0.01) {
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double delta = percent * (fabs(d1)+fabs(d2)) / 2;
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return ( (d1-d2)<delta );
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}
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QColor toColor(GfxRGB &);
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//-----------------------------------------------------------------------------
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class DRect {
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public:
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DRect() : _left(0), _right(0), _top(0), _bottom(0) {}
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DRect(double left, double right, double top, double bottom)
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: _left(left), _right(right), _top(top), _bottom(bottom) {}
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bool isValid() const { return ( _right>_left && _bottom>_top ); }
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void setTop(double top) { _top = top; }
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void setBottom(double bottom) { _bottom = bottom; }
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void setRight(double right) { _right = right; }
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void setLeft(double left) { _left = left; }
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double top() const { return _top; }
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double bottom() const { return _bottom; }
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double left() const { return _left; }
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double right() const { return _right; }
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double width() const { return _right - _left; }
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double height() const { return _bottom - _top; }
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bool operator ==(const DRect &) const;
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bool isInside(const DRect &, double percent = 0.01) const;
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void unite(const DRect &);
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QString toString() const;
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private:
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double _left, _right, _top, _bottom;
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};
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struct DPoint {
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double x, y;
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};
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class DPath : public QValueVector<DPoint>
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{
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public:
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DPath() {}
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bool isSegment() const { return size()==2; }
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bool isHorizontalSegment() const {
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return isSegment() && equal(at(0).y, at(1).y);
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}
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bool isVerticalSegment() const {
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return isSegment() && equal(at(0).x, at(1).y);
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}
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bool isRectangle() const;
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DRect boundingRect() const;
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};
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typedef QValueVector<DPath> DPathVector;
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//-----------------------------------------------------------------------------
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class Font
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{
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public:
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Font();
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Font(const GfxState *, double size);
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bool operator ==(const Font &) const;
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bool format(QDomDocument &, QDomElement &format, uint pos, uint len,
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bool all = false) const;
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int height() const { return _data->height[_pointSize]; }
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const QColor &color() const { return _color; }
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bool isLatex() const { return _data->latex; }
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void setFamily(FontFamily);
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static void init();
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static void cleanup();
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private:
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void init(const QString &name);
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private:
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uint _pointSize;
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QColor _color;
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class Data {
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public:
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QString family;
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FontStyle style;
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bool latex;
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QMap<int, int> height;
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};
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Data *_data;
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static QDict<Data> *_dict;
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static const char *FAMILY_DATA[PDFImport::Nb_Family];
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};
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//-----------------------------------------------------------------------------
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class Link
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{
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public:
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Link(const DRect &, LinkAction &, Catalog &);
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const DRect &rect() const { return _rect; }
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void format(QDomDocument &, QDomElement &format,
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uint pos, const QString &text) const;
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static QString pageLinkName(uint i);
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private:
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DRect _rect;
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QString _href;
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};
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} // namespace
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#endif
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