mirror of https://github.com/JakubMelka/PDF4QT.git
120 lines
3.2 KiB
C++
120 lines
3.2 KiB
C++
// Copyright (C) 2020 Jakub Melka
|
|
//
|
|
// This file is part of PdfForQt.
|
|
//
|
|
// PdfForQt is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// PdfForQt 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 for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with PDFForQt. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
#ifndef DIMENSIONTOOL_H
|
|
#define DIMENSIONTOOL_H
|
|
|
|
#include "pdfwidgettool.h"
|
|
|
|
#include <QAction>
|
|
#include <QPolygonF>
|
|
|
|
struct DimensionUnit;
|
|
using DimensionUnits = std::vector<DimensionUnit>;
|
|
|
|
struct DimensionUnit
|
|
{
|
|
explicit inline DimensionUnit() = default;
|
|
explicit inline DimensionUnit(pdf::PDFReal scale, QString symbol) :
|
|
scale(scale),
|
|
symbol(qMove(symbol))
|
|
{
|
|
|
|
}
|
|
|
|
pdf::PDFReal scale = 1.0;
|
|
QString symbol;
|
|
|
|
static DimensionUnits getLengthUnits();
|
|
static DimensionUnits getAreaUnits();
|
|
static DimensionUnits getAngleUnits();
|
|
};
|
|
|
|
class Dimension
|
|
{
|
|
public:
|
|
|
|
inline explicit Dimension() = default;
|
|
inline explicit Dimension(pdf::PDFInteger pageIndex, pdf::PDFReal measuredValue, std::vector<QPointF> polygon) :
|
|
m_pageIndex(pageIndex),
|
|
m_measuredValue(measuredValue),
|
|
m_polygon(qMove(polygon))
|
|
{
|
|
|
|
}
|
|
|
|
enum Type
|
|
{
|
|
Linear,
|
|
Perimeter,
|
|
Area
|
|
};
|
|
|
|
/// Returns true, if definition fo given type is complete
|
|
static bool isComplete(Type type, const std::vector<QPointF>& polygon);
|
|
|
|
private:
|
|
pdf::PDFInteger m_pageIndex = -1;
|
|
pdf::PDFReal m_measuredValue = 0.0;
|
|
std::vector<QPointF> m_polygon;
|
|
};
|
|
|
|
class DimensionTool : public pdf::PDFWidgetTool
|
|
{
|
|
Q_OBJECT
|
|
|
|
private:
|
|
using BaseClass = pdf::PDFWidgetTool;
|
|
|
|
public:
|
|
|
|
enum Style
|
|
{
|
|
LinearHorizontal,
|
|
LinearVertical,
|
|
Linear,
|
|
Perimeter,
|
|
Area,
|
|
LastStyle
|
|
};
|
|
|
|
|
|
explicit DimensionTool(Style style, pdf::PDFDrawWidgetProxy* proxy, QAction* action, QObject* parent);
|
|
|
|
void drawPage(QPainter* painter,
|
|
pdf::PDFInteger pageIndex,
|
|
const pdf::PDFPrecompiledPage* compiledPage,
|
|
pdf::PDFTextLayoutGetter& layoutGetter,
|
|
const QMatrix& pagePointToDevicePointMatrix,
|
|
QList<pdf::PDFRenderError>& errors) const override;
|
|
|
|
signals:
|
|
void dimensionCreated(Dimension dimension);
|
|
|
|
private:
|
|
void onPointPicked(pdf::PDFInteger pageIndex, QPointF pagePoint);
|
|
QPointF adjustPagePoint(QPointF pagePoint) const;
|
|
Dimension::Type getDimensionType() const;
|
|
pdf::PDFReal getMeasuredValue() const;
|
|
|
|
Style m_style;
|
|
int m_previewPointPixelSize;
|
|
pdf::PDFPickTool* m_pickTool;
|
|
};
|
|
|
|
#endif // DIMENSIONTOOL_H
|