Wt examples  3.3.0
Public Member Functions | Protected Member Functions | Private Member Functions | Private Attributes | List of all members
ShapesWidget Class Reference

#include <ShapesWidget.h>

Inheritance diagram for ShapesWidget:
Inheritance graph
[legend]

Public Member Functions

 ShapesWidget (WContainerWidget *parent=0)
 
void setAngle (double angle)
 
double angle () const
 
void setRelativeSize (double size)
 
double relativeSize () const
 
- Public Member Functions inherited from Wt::WPaintedWidget
 WPaintedWidget (WContainerWidget *parent=0)
 
 ~WPaintedWidget ()
 
void setPreferredMethod (Method method)
 
Method preferredMethod () const
 
void update (WFlags< PaintFlag > flags=0)
 
virtual void resize (const WLength &width, const WLength &height)
 
void addArea (WAbstractArea *area)
 
void insertArea (int index, WAbstractArea *area)
 
void removeArea (WAbstractArea *area)
 
WAbstractArea * area (int index) const
 
const std::vector
< WAbstractArea * > 		areas () const
 

Protected Member Functions

virtual void paintEvent (WPaintDevice *paintDevice)
 
- Protected Member Functions inherited from Wt::WPaintedWidget
virtual void layoutSizeChanged (int width, int height)
 
virtual Method getMethod () const
 
virtual void enableAjax ()
 

Private Member Functions

void drawEmwebLogo (WPainter &p)
 
void drawEmwebE (WPainter &p)
 
void drawEmwebMW (WPainter &p)
 

Private Attributes

double angle_
 
double size_
 

Additional Inherited Members

- Public Types inherited from Wt::WPaintedWidget
enum  Method
 
- Public Attributes inherited from Wt::WPaintedWidget
 InlineSvgVml
 
 HtmlCanvas
 
 PngImage
 

Detailed Description

Definition at line 19 of file ShapesWidget.h.

Constructor & Destructor Documentation

ShapesWidget::ShapesWidget ( WContainerWidget *  parent = 0)

Definition at line 24 of file ShapesWidget.C.

25  : WPaintedWidget(parent),
26  angle_(0),
27  size_(1)
28 {
29  resize(710, 400);
30 }

Member Function Documentation

double ShapesWidget::angle ( ) const
inline

Definition at line 25 of file ShapesWidget.h.

25 { return angle_; }
void ShapesWidget::drawEmwebE ( WPainter &  p)
private

Definition at line 67 of file ShapesWidget.C.

68 {
69  WPainterPath p;
70 
71  /* Path copied from our SVG for half of the E */
72 
73  p.moveTo(46.835084,58.783624);
74  p.cubicTo(45.700172,58.783624,35.350098,58.911502,24.656354,63.283309);
75  p.cubicTo(8.7595992,69.78907,0,82.38499,0,98.809238);
76  p.cubicTo(0,115.20152,08.7595992,127.82141,24.656354,134.31119);
77  p.cubicTo(35.350098,138.69099,45.700172,138.81088,46.835084,138.81088);
78  p.lineTo(94.509362,138.81088);
79  p.lineTo(94.509362,117.58323);
80  p.lineTo(46.835084,117.58323);
81  p.cubicTo(46.811106,117.58323,39.466151,117.47134,32.608727,114.53815);
82  p.cubicTo(25.095932,111.34122,21.747144,106.47389,21.747144,98.809238);
83  p.cubicTo(21.747144,91.120612,25.095932,86.269265,32.608727,83.064338);
84  p.cubicTo(39.466151,80.123159,46.811106,80.027251,46.89103,80.027251);
85  p.lineTo(94.509362,80.027251);
86  p.lineTo(94.509362,58.783624);
87  p.lineTo(46.835084,58.783624);
88 
89  painter.drawPath(p);
90 
91  painter.save();
92  painter.translate(0,-58.783624);
93  painter.drawPath(p);
94  painter.restore();
95 }
void ShapesWidget::drawEmwebLogo ( WPainter &  p)
private

Definition at line 145 of file ShapesWidget.C.

146 {
147  painter.save();
148  painter.setPen(NoPen);
149 
150  /*
151  * The emweb logo can be drawn as 3 e's, and one combined m/w
152  */
153 
154  // Emweb
155  painter.setBrush(black);
156  drawEmwebE(painter);
157 
158  // emwEb
159  painter.save();
160  painter.translate(397, 0);
161  drawEmwebE(painter);
162 
163  // emweB
164  painter.translate(210, 0);
165  painter.scale(-1, 1);
166  drawEmwebE(painter);
167 
168  painter.restore();
169 
170  // eMWeb
171  painter.setBrush(emweb);
172  drawEmwebMW(painter);
173 
174  painter.restore();
175 }
void ShapesWidget::drawEmwebMW ( WPainter &  p)
private

Definition at line 97 of file ShapesWidget.C.

98 {
99  WPainterPath p;
100 
101  /* Path copied from our SVG for one fourth of the MW */
102 
103  p.moveTo(120.59634,24.072913);
104  p.cubicTo(116.12064,34.518895,115.98477,44.605222,115.98477,45.732141);
105  p.lineTo(115.98477,138.81088);
106  p.lineTo(137.7399,138.81088);
107  p.lineTo(137.7399,45.732141);
108  p.cubicTo(137.7399,45.708164,137.83581,38.53904,140.84892,31.841463);
109  p.cubicTo(144.14176,24.512492,149.113,21.235634,156.98545,21.235634);
110  p.cubicTo(164.8499,21.235634,169.81314,24.512492,173.10599,31.841463);
111  p.cubicTo(176.10311,38.53904,176.215,45.708164,176.215,45.780095);
112  p.lineTo(176.215,70.41343);
113  p.lineTo(197.97014,70.41343);
114  p.lineTo(197.97014,45.732141);
115  p.cubicTo(197.97014,44.605222,197.83427,34.518895,193.35057,24.072913);
116  p.cubicTo(186.70894,8.5517985,173.77734,0,156.99344,0);
117  p.cubicTo(140.17756,0,127.25396,8.5517985,120.59634,24.072913);
118 
119  /*
120  * Paint it four times, translated and inverted
121  */
122 
123  painter.drawPath(p);
124 
125  const double dx = 176. - 115.98477;
126 
127  painter.save();
128 
129  painter.translate(dx, 0);
130  painter.drawPath(p);
131 
132  painter.translate(dx, 0);
133 
134  painter.scale(-1, -1);
135  painter.translate(0, -138.81088);
136  painter.translate(-115.98477 - 197.95 - dx, 0);
137  painter.drawPath(p);
138 
139  painter.translate(dx, 0);
140  painter.drawPath(p);
141 
142  painter.restore();
143 }
void ShapesWidget::paintEvent ( WPaintDevice *  paintDevice)
protectedvirtual

Implements Wt::WPaintedWidget.

Definition at line 52 of file ShapesWidget.C.

53 {
54  WPainter painter(paintDevice);
55 
56  painter.setShadow(WShadow(10, 10, WColor(0, 0, 0, 50), 10));
57  painter.setRenderHint(WPainter::Antialiasing);
58 
59  painter.translate(width().value()/2, height().value()/2);
60  painter.rotate(angle_);
61  painter.scale(size_, size_);
62  painter.translate(-width().value()/2 + 50, -height().value()/2 + 150);
63 
64  drawEmwebLogo(painter);
65 }
double ShapesWidget::relativeSize ( ) const
inline

Definition at line 28 of file ShapesWidget.h.

28 { return size_; }
void ShapesWidget::setAngle ( double  angle)

Definition at line 32 of file ShapesWidget.C.

33 {
34  angle = std::max(-30.0, std::min(30.0, angle));
35 
36  if (angle_ != angle) {
37  angle_ = angle;
38  update();
39  }
40 }
void ShapesWidget::setRelativeSize ( double  size)

Definition at line 42 of file ShapesWidget.C.

43 {
44  size = std::max(0.1, std::min(1.0, size));
45 
46  if (size_ != size) {
47  size_ = size;
48  update();
49  }
50 }

Member Data Documentation

double ShapesWidget::angle_
private

Definition at line 34 of file ShapesWidget.h.

double ShapesWidget::size_
private

Definition at line 35 of file ShapesWidget.h.

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