LinePatternPainter Class Reference

Painting line patterns on a QPaintDevice. More...

#include <linepatternpainter.h>

Public Member Functions
	LinePatternPainter (QPaintDevice *device, lc::DxfLinePatternByValue_CSPtr linePattern, int width=1)
	Constructor used to paint DxfLinePatterns. More...
	LinePatternPainter (QPaintDevice *device, double width, lc::DxfLinePatternByValue_CSPtr linePattern=nullptr)
	Constructor used to paint line width. More...
void	drawLinePattern ()
	Paint line. More...

Private Attributes
QPaintDevice *	_device
lc::DxfLinePatternByValue_CSPtr	_linePattern
int	_width

Detailed Description

Painting line patterns on a QPaintDevice.

Definition at line 10 of file linepatternpainter.h.

Constructor & Destructor Documentation

LinePatternPainter::LinePatternPainter	(	QPaintDevice *	device,
		lc::DxfLinePatternByValue_CSPtr	linePattern,
		int	width = 1
	)

Constructor used to paint DxfLinePatterns.

Parameters

device	Pointer to QPaintDevice
linePattern	LinePattern to paint
width	Width of the line (optional)

Definition at line 3 of file linepatternpainter.cpp.

                                                                                                                 :
    _device(device),
    _linePattern(linePattern),
    _width(width) {
}

LinePatternPainter::LinePatternPainter	(	QPaintDevice *	device,
		double	width,
		lc::DxfLinePatternByValue_CSPtr	linePattern = nullptr
	)

Constructor used to paint line width.

Parameters

device	Pointer to QPaintDevice
width	Width of the line
linePattern	LinePattern to paint (optional)

Definition at line 9 of file linepatternpainter.cpp.

                                                                                                                     :
    _device(device),
    _linePattern(linePattern),
    _width(width) {
}

Member Function Documentation

void LinePatternPainter::drawLinePattern

(

)

Paint line.

Definition at line 15 of file linepatternpainter.cpp.

                                         {
    if(_device == NULL) {
        return;
    }

    QPen pen;

    if(_linePattern != nullptr && _linePattern->length() != 0) {
        QVector<qreal> dashes;

        for(auto a : _linePattern->lcPattern(_width)) {
            dashes << a;
        }

        //Qt always want a space at end
        if(dashes.size() % 2 != 0) {
            dashes << 0;
        }

        pen.setDashPattern(dashes);
    }

    pen.setColor(Qt::black);
    pen.setWidth(_width);

    QPainter painter(_device);
    painter.fillRect(QRect(0, 0, _device->width(), _device->height()), QBrush(Qt::white));

    painter.setPen(pen);
    painter.drawLine(0, _device->height()/2, _device->width(), _device->height()/2);
}

Member Data Documentation

QPaintDevice* LinePatternPainter::_device

private

Definition at line 33 of file linepatternpainter.h.

lc::DxfLinePatternByValue_CSPtr LinePatternPainter::_linePattern

private

Definition at line 34 of file linepatternpainter.h.

int LinePatternPainter::_width

private

Definition at line 35 of file linepatternpainter.h.

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The documentation for this class was generated from the following files:

• lcUI/widgets/linepatternpainter.h
• lcUI/widgets/linepatternpainter.cpp