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#ifndef GENERIC_HPP
#define GENERIC_HPP
/*
Copyright © 2008-13 Qtrac Ltd. All rights reserved.
This program or module is free software: you can redistribute it
and/or modify it under the terms of the GNU General Public License
as published by the Free Software Foundation, either version 2 of
the License, or (at your option) any later version. This program 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 General Public License
for more details.
*/
#include <poppler-qt5.h>
#include <QMetaType>
#include <QPair>
#include <QPixmap>
#include <QSet>
class QColor;
class QMimeData;
class QRectF;
#if QT_VERSION >= 0x040600
typedef QSharedPointer<Poppler::Document> PdfDocument;
typedef QSharedPointer<Poppler::Page> PdfPage;
typedef QSharedPointer<Poppler::TextBox> PdfTextBox;
#else
typedef std::tr1::shared_ptr<Poppler::Document> PdfDocument;
typedef std::tr1::shared_ptr<Poppler::Page> PdfPage;
typedef std::tr1::shared_ptr<Poppler::TextBox> PdfTextBox;
#endif
typedef QList<PdfTextBox> TextBoxList;
enum InitialComparisonMode{CompareAppearance=0, CompareCharacters=1,
CompareWords=2};
enum Debug{DebugOff, DebugShowTexts, DebugShowTextsAndYX};
const int POINTS_PER_INCH = 72;
typedef QSet<int> Ranges;
typedef QPair<Ranges, Ranges> RangesPair;
struct PagePair
{
PagePair(int l=-1, int r=-1, bool v=false)
: left(l), right(r), hasVisualDifference(v) {}
bool isNull() { return left == -1 || right == -1; }
const int left;
const int right;
const bool hasVisualDifference;
};
Q_DECLARE_METATYPE(PagePair)
inline const QChar canonicalizedCharacter(const QChar &in)
{
QChar out = in;
const ushort c = in.unicode();
switch (c) {
case 0x93: out = QChar(0x201C); break; // “
case 0x94: out = QChar(0x201D); break; // ”
case 0xAD: // fallthrough (soft-hyphen)
case 0x2D: // fallthrough (hyphen-minus)
case 0x2010: // fallthrough (hyphen)
case 0x2011: // fallthrough (non-breaking hyphen)
case 0x2043: out = '-'; break; // (hyphen-bullet)
}
return out;
}
void scaleRect(int dpi, QRectF *rect);
int pointValueForPixelOffset(const double dpi, int px);
int pixelOffsetForPointValue(const double dpi, int pt);
QRectF rectForMargins(const int width, const int height, const int top,
const int bottom, const int left, const int right);
Ranges unorderedRange(int end, int start=0);
QPixmap colorSwatch(const QColor &color);
QPixmap brushSwatch(const Qt::BrushStyle style, const QColor &color);
QPixmap penStyleSwatch(const Qt::PenStyle style, const QColor &color);
const TextBoxList getTextBoxes(PdfPage page, const QRectF &rect=QRect());
const QString strippedFilename(const QString &filename);
const QStringList droppedFilenames(const QMimeData *mimeData);
const QRect resizeRect(const QRect &pageRect, const QSize &pixmapSize);
/* // Not needed
const int roundedToNearest(const int x, const int multiple)
{
Q_ASSERT(multiple)
const int remainder = x % multiple;
return (remainder == 0) ? x : x + multiple - remainder;
}
*/
#endif // GENERIC_HPP
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