Sat, 02 Jan 2010 18:19:35 +0000
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1 | <?xml version="1.0" encoding="utf-8"?> |
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2 | <!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN' |
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3 | 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'> |
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4 | <html><head> |
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5 | <title>eric5.E4Graphics.E4GraphicsView</title> |
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6 | <style> |
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7 | b'body {\n background:white;\n margin: 0em 1em 10em 1em;\n color: black;\n}\n\nh1 { color: white; background: #4FA4FF; }\nh2 { color: white; background: #4FA4FF; }\nh3 { color: white; background: #00557F; }\nh4 { color: white; background: #00557F; }\n \na { color: #AA5500; }\n' |
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8 | </style> |
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9 | </head> |
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10 | <body><a NAME="top" ID="top"></a> |
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11 | <h1>eric5.E4Graphics.E4GraphicsView</h1> |
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12 | <p> |
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13 | Module implementing a canvas view class. |
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14 | </p> |
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15 | <h3>Global Attributes</h3> |
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16 | <table> |
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17 | <tr><td>None</td></tr> |
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18 | </table> |
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19 | <h3>Classes</h3> |
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20 | <table> |
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21 | <tr> |
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22 | <td><a href="#E4GraphicsView">E4GraphicsView</a></td> |
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23 | <td>Class implementing a graphics view.</td> |
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24 | </tr> |
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25 | </table> |
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26 | <h3>Functions</h3> |
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27 | <table> |
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28 | <tr><td>None</td></tr> |
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29 | </table> |
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30 | <hr /><hr /> |
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31 | <a NAME="E4GraphicsView" ID="E4GraphicsView"></a> |
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32 | <h2>E4GraphicsView</h2> |
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33 | <p> |
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34 | Class implementing a graphics view. |
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35 | </p> |
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36 | <h3>Derived from</h3> |
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37 | QGraphicsView |
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38 | <h3>Class Attributes</h3> |
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39 | <table> |
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40 | <tr><td>None</td></tr> |
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41 | </table> |
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42 | <h3>Methods</h3> |
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43 | <table> |
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44 | <tr> |
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45 | <td><a href="#E4GraphicsView.__init__">E4GraphicsView</a></td> |
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46 | <td>Constructor</td> |
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47 | </tr><tr> |
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48 | <td><a href="#E4GraphicsView.__getDiagram">__getDiagram</a></td> |
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49 | <td>Private method to retrieve the diagram from the scene fitting it in the minimum rectangle.</td> |
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50 | </tr><tr> |
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51 | <td><a href="#E4GraphicsView._getDiagramRect">_getDiagramRect</a></td> |
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52 | <td>Protected method to calculate the minimum rectangle fitting the diagram.</td> |
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53 | </tr><tr> |
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54 | <td><a href="#E4GraphicsView._getDiagramSize">_getDiagramSize</a></td> |
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55 | <td>Protected method to calculate the minimum size fitting the diagram.</td> |
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56 | </tr><tr> |
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57 | <td><a href="#E4GraphicsView.filteredItems">filteredItems</a></td> |
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58 | <td>Public method to filter a list of items.</td> |
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59 | </tr><tr> |
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60 | <td><a href="#E4GraphicsView.printDiagram">printDiagram</a></td> |
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61 | <td>Public method to print the diagram.</td> |
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62 | </tr><tr> |
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63 | <td><a href="#E4GraphicsView.resizeScene">resizeScene</a></td> |
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64 | <td>Public method to resize the scene.</td> |
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65 | </tr><tr> |
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66 | <td><a href="#E4GraphicsView.saveImage">saveImage</a></td> |
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67 | <td>Public method to save the scene to a file.</td> |
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68 | </tr><tr> |
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69 | <td><a href="#E4GraphicsView.setSceneSize">setSceneSize</a></td> |
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70 | <td>Public method to set the scene size.</td> |
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71 | </tr><tr> |
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72 | <td><a href="#E4GraphicsView.setZoom">setZoom</a></td> |
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73 | <td>Public method to set the zoom factor.</td> |
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74 | </tr><tr> |
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75 | <td><a href="#E4GraphicsView.zoom">zoom</a></td> |
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76 | <td>Public method to get the current zoom factor.</td> |
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77 | </tr><tr> |
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78 | <td><a href="#E4GraphicsView.zoomIn">zoomIn</a></td> |
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79 | <td>Public method to zoom in.</td> |
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80 | </tr><tr> |
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81 | <td><a href="#E4GraphicsView.zoomOut">zoomOut</a></td> |
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82 | <td>Public method to zoom out.</td> |
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83 | </tr><tr> |
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84 | <td><a href="#E4GraphicsView.zoomReset">zoomReset</a></td> |
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85 | <td>Public method to handle the reset zoom context menu entry.</td> |
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86 | </tr> |
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87 | </table> |
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88 | <a NAME="E4GraphicsView.__init__" ID="E4GraphicsView.__init__"></a> |
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89 | <h4>E4GraphicsView (Constructor)</h4> |
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90 | <b>E4GraphicsView</b>(<i>scene, parent = None</i>) |
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91 | <p> |
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92 | Constructor |
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93 | </p><dl> |
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94 | <dt><i>scene</i></dt> |
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95 | <dd> |
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96 | reference to the scene object (QGraphicsScene) |
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97 | </dd><dt><i>parent</i></dt> |
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98 | <dd> |
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99 | parent widget (QWidget) |
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100 | </dd> |
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101 | </dl><a NAME="E4GraphicsView.__getDiagram" ID="E4GraphicsView.__getDiagram"></a> |
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102 | <h4>E4GraphicsView.__getDiagram</h4> |
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103 | <b>__getDiagram</b>(<i>rect, format = "PNG", filename = None</i>) |
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104 | <p> |
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105 | Private method to retrieve the diagram from the scene fitting it |
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106 | in the minimum rectangle. |
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107 | </p><dl> |
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108 | <dt><i>rect</i></dt> |
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109 | <dd> |
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110 | minimum rectangle fitting the diagram (QRectF) |
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111 | </dd><dt><i>format</i></dt> |
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112 | <dd> |
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113 | format for the image file (string) |
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114 | </dd><dt><i>filename</i></dt> |
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115 | <dd> |
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116 | name of the file for non pixmaps (string) |
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117 | </dd> |
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118 | </dl><dl> |
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119 | <dt>Returns:</dt> |
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120 | <dd> |
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121 | diagram pixmap to receive the diagram (QPixmap) |
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122 | </dd> |
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123 | </dl><a NAME="E4GraphicsView._getDiagramRect" ID="E4GraphicsView._getDiagramRect"></a> |
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124 | <h4>E4GraphicsView._getDiagramRect</h4> |
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125 | <b>_getDiagramRect</b>(<i>border = 0</i>) |
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126 | <p> |
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127 | Protected method to calculate the minimum rectangle fitting the diagram. |
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128 | </p><dl> |
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129 | <dt><i>border</i></dt> |
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130 | <dd> |
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131 | border width to include in the calculation (integer) |
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132 | </dd> |
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133 | </dl><dl> |
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134 | <dt>Returns:</dt> |
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135 | <dd> |
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136 | the minimum rectangle (QRectF) |
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Detlev Offenbach <detlev@die-offenbachs.de>
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137 | </dd> |
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138 | </dl><a NAME="E4GraphicsView._getDiagramSize" ID="E4GraphicsView._getDiagramSize"></a> |
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parents:
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139 | <h4>E4GraphicsView._getDiagramSize</h4> |
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140 | <b>_getDiagramSize</b>(<i>border = 0</i>) |
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Updated documentation.
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141 | <p> |
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142 | Protected method to calculate the minimum size fitting the diagram. |
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143 | </p><dl> |
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144 | <dt><i>border</i></dt> |
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145 | <dd> |
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146 | border width to include in the calculation (integer) |
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147 | </dd> |
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148 | </dl><dl> |
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149 | <dt>Returns:</dt> |
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150 | <dd> |
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151 | the minimum size (QSizeF) |
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152 | </dd> |
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153 | </dl><a NAME="E4GraphicsView.filteredItems" ID="E4GraphicsView.filteredItems"></a> |
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154 | <h4>E4GraphicsView.filteredItems</h4> |
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155 | <b>filteredItems</b>(<i>items</i>) |
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156 | <p> |
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157 | Public method to filter a list of items. |
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158 | </p><dl> |
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159 | <dt><i>items</i></dt> |
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160 | <dd> |
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161 | list of items as returned by the scene object |
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162 | (QGraphicsItem) |
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163 | </dd> |
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164 | </dl><dl> |
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165 | <dt>Returns:</dt> |
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166 | <dd> |
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167 | list of interesting collision items (QGraphicsItem) |
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168 | </dd> |
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169 | </dl><a NAME="E4GraphicsView.printDiagram" ID="E4GraphicsView.printDiagram"></a> |
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170 | <h4>E4GraphicsView.printDiagram</h4> |
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171 | <b>printDiagram</b>(<i>printer, diagramName = ""</i>) |
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172 | <p> |
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173 | Public method to print the diagram. |
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Detlev Offenbach <detlev@die-offenbachs.de>
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174 | </p><dl> |
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175 | <dt><i>printer</i></dt> |
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176 | <dd> |
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177 | reference to a ready configured printer object (QPrinter) |
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178 | </dd><dt><i>diagramName</i></dt> |
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179 | <dd> |
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180 | name of the diagram (string) |
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181 | </dd> |
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Detlev Offenbach <detlev@die-offenbachs.de>
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182 | </dl><a NAME="E4GraphicsView.resizeScene" ID="E4GraphicsView.resizeScene"></a> |
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183 | <h4>E4GraphicsView.resizeScene</h4> |
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184 | <b>resizeScene</b>(<i>amount, isWidth = True</i>) |
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185 | <p> |
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186 | Public method to resize the scene. |
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187 | </p><dl> |
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188 | <dt><i>isWidth</i></dt> |
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189 | <dd> |
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190 | flag indicating width is to be resized (boolean) |
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191 | </dd><dt><i>amount</i></dt> |
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192 | <dd> |
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193 | size increment (integer) |
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194 | </dd> |
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195 | </dl><a NAME="E4GraphicsView.saveImage" ID="E4GraphicsView.saveImage"></a> |
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196 | <h4>E4GraphicsView.saveImage</h4> |
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197 | <b>saveImage</b>(<i>filename, format = "PNG"</i>) |
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198 | <p> |
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199 | Public method to save the scene to a file. |
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200 | </p><dl> |
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201 | <dt><i>filename</i></dt> |
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202 | <dd> |
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203 | name of the file to write the image to (string) |
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204 | </dd><dt><i>format</i></dt> |
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205 | <dd> |
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206 | format for the image file (string) |
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207 | </dd> |
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208 | </dl><dl> |
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209 | <dt>Returns:</dt> |
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210 | <dd> |
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211 | flag indicating success (boolean) |
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212 | </dd> |
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213 | </dl><a NAME="E4GraphicsView.setSceneSize" ID="E4GraphicsView.setSceneSize"></a> |
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214 | <h4>E4GraphicsView.setSceneSize</h4> |
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215 | <b>setSceneSize</b>(<i>width, height</i>) |
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216 | <p> |
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217 | Public method to set the scene size. |
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218 | </p><dl> |
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219 | <dt><i>width</i></dt> |
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220 | <dd> |
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221 | width for the scene (integer) |
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222 | </dd><dt><i>height</i></dt> |
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223 | <dd> |
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224 | height for the scene (integer) |
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225 | </dd> |
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226 | </dl><a NAME="E4GraphicsView.setZoom" ID="E4GraphicsView.setZoom"></a> |
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227 | <h4>E4GraphicsView.setZoom</h4> |
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228 | <b>setZoom</b>(<i>zoomFactor</i>) |
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229 | <p> |
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230 | Public method to set the zoom factor. |
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Detlev Offenbach <detlev@die-offenbachs.de>
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231 | </p><dl> |
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232 | <dt><i>zoomFactor</i></dt> |
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233 | <dd> |
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234 | new zoom factor (float) |
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Detlev Offenbach <detlev@die-offenbachs.de>
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235 | </dd> |
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|
236 | </dl><a NAME="E4GraphicsView.zoom" ID="E4GraphicsView.zoom"></a> |
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237 | <h4>E4GraphicsView.zoom</h4> |
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238 | <b>zoom</b>(<i></i>) |
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239 | <p> |
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240 | Public method to get the current zoom factor. |
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Detlev Offenbach <detlev@die-offenbachs.de>
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|
241 | </p><dl> |
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242 | <dt>Returns:</dt> |
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243 | <dd> |
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244 | current zoom factor (float) |
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245 | </dd> |
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246 | </dl><a NAME="E4GraphicsView.zoomIn" ID="E4GraphicsView.zoomIn"></a> |
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247 | <h4>E4GraphicsView.zoomIn</h4> |
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248 | <b>zoomIn</b>(<i></i>) |
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249 | <p> |
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250 | Public method to zoom in. |
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|
251 | </p><a NAME="E4GraphicsView.zoomOut" ID="E4GraphicsView.zoomOut"></a> |
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252 | <h4>E4GraphicsView.zoomOut</h4> |
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253 | <b>zoomOut</b>(<i></i>) |
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254 | <p> |
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255 | Public method to zoom out. |
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256 | </p><a NAME="E4GraphicsView.zoomReset" ID="E4GraphicsView.zoomReset"></a> |
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257 | <h4>E4GraphicsView.zoomReset</h4> |
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258 | <b>zoomReset</b>(<i></i>) |
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259 | <p> |
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260 | Public method to handle the reset zoom context menu entry. |
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261 | </p> |
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262 | <div align="right"><a href="#top">Up</a></div> |
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263 | <hr /> |
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264 | </body></html> |