/usr/lib/Wt/examples/painting/ShapesWidget.C is in witty-examples 3.1.10-1ubuntu2.
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* Copyright (C) 2008 Emweb bvba, Kessel-Lo, Belgium.
*
* See the LICENSE file for terms of use.
*/
#include "ShapesWidget.h"
#include <Wt/WPainter>
#include <Wt/WPainterPath>
#include <Wt/WPointF>
#include <Wt/WRectF>
#include <math.h>
#include <iostream>
#include <boost/lexical_cast.hpp>
namespace {
// the blue emweb color
WColor emweb(0x04, 0x7c, 0x93);
}
ShapesWidget::ShapesWidget(WContainerWidget *parent)
: WPaintedWidget(parent),
angle_(0),
size_(1)
{
resize(710, 400);
}
void ShapesWidget::setAngle(double angle)
{
angle = std::max(-30.0, std::min(30.0, angle));
if (angle_ != angle) {
angle_ = angle;
update();
}
}
void ShapesWidget::setRelativeSize(double size)
{
size = std::max(0.1, std::min(1.0, size));
if (size_ != size) {
size_ = size;
update();
}
}
void ShapesWidget::paintEvent(WPaintDevice *paintDevice)
{
WPainter painter(paintDevice);
painter.setShadow(WShadow(10, 10, WColor(0, 0, 0, 50), 10));
painter.setRenderHint(WPainter::Antialiasing);
painter.translate(width().value()/2, height().value()/2);
painter.rotate(angle_);
painter.scale(size_, size_);
painter.translate(-width().value()/2 + 50, -height().value()/2 + 150);
drawEmwebLogo(painter);
}
void ShapesWidget::drawEmwebE(WPainter& painter)
{
WPainterPath p;
/* Path copied from our SVG for half of the E */
p.moveTo(46.835084,58.783624);
p.cubicTo(45.700172,58.783624,35.350098,58.911502,24.656354,63.283309);
p.cubicTo(8.7595992,69.78907,0,82.38499,0,98.809238);
p.cubicTo(0,115.20152,08.7595992,127.82141,24.656354,134.31119);
p.cubicTo(35.350098,138.69099,45.700172,138.81088,46.835084,138.81088);
p.lineTo(94.509362,138.81088);
p.lineTo(94.509362,117.58323);
p.lineTo(46.835084,117.58323);
p.cubicTo(46.811106,117.58323,39.466151,117.47134,32.608727,114.53815);
p.cubicTo(25.095932,111.34122,21.747144,106.47389,21.747144,98.809238);
p.cubicTo(21.747144,91.120612,25.095932,86.269265,32.608727,83.064338);
p.cubicTo(39.466151,80.123159,46.811106,80.027251,46.89103,80.027251);
p.lineTo(94.509362,80.027251);
p.lineTo(94.509362,58.783624);
p.lineTo(46.835084,58.783624);
painter.drawPath(p);
painter.save();
painter.translate(0,-58.783624);
painter.drawPath(p);
painter.restore();
}
void ShapesWidget::drawEmwebMW(WPainter& painter)
{
WPainterPath p;
/* Path copied from our SVG for one fourth of the MW */
p.moveTo(120.59634,24.072913);
p.cubicTo(116.12064,34.518895,115.98477,44.605222,115.98477,45.732141);
p.lineTo(115.98477,138.81088);
p.lineTo(137.7399,138.81088);
p.lineTo(137.7399,45.732141);
p.cubicTo(137.7399,45.708164,137.83581,38.53904,140.84892,31.841463);
p.cubicTo(144.14176,24.512492,149.113,21.235634,156.98545,21.235634);
p.cubicTo(164.8499,21.235634,169.81314,24.512492,173.10599,31.841463);
p.cubicTo(176.10311,38.53904,176.215,45.708164,176.215,45.780095);
p.lineTo(176.215,70.41343);
p.lineTo(197.97014,70.41343);
p.lineTo(197.97014,45.732141);
p.cubicTo(197.97014,44.605222,197.83427,34.518895,193.35057,24.072913);
p.cubicTo(186.70894,8.5517985,173.77734,0,156.99344,0);
p.cubicTo(140.17756,0,127.25396,8.5517985,120.59634,24.072913);
/*
* Paint it four times, translated and inverted
*/
painter.drawPath(p);
const double dx = 176. - 115.98477;
painter.save();
painter.translate(dx, 0);
painter.drawPath(p);
painter.translate(dx, 0);
painter.scale(-1, -1);
painter.translate(0, -138.81088);
painter.translate(-115.98477 - 197.95 - dx, 0);
painter.drawPath(p);
painter.translate(dx, 0);
painter.drawPath(p);
painter.restore();
}
void ShapesWidget::drawEmwebLogo(WPainter& painter)
{
painter.save();
painter.setPen(NoPen);
/*
* The emweb logo can be drawn as 3 e's, and one combined m/w
*/
// Emweb
painter.setBrush(black);
drawEmwebE(painter);
// emwEb
painter.save();
painter.translate(397, 0);
drawEmwebE(painter);
// emweB
painter.translate(210, 0);
painter.scale(-1, 1);
drawEmwebE(painter);
painter.restore();
// eMWeb
painter.setBrush(emweb);
drawEmwebMW(painter);
painter.restore();
}
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