--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Documentation/Source/eric6.E5Graphics.E5GraphicsView.html Sat Jul 05 12:29:15 2014 +0200 @@ -0,0 +1,323 @@ +<!DOCTYPE html> +<html><head> +<title>eric6.E5Graphics.E5GraphicsView</title> +<meta charset="UTF-8"> +<style> +body { + background: #EDECE6; + margin: 0em 1em 10em 1em; + color: black; +} + +h1 { color: white; background: #85774A; } +h2 { color: white; background: #85774A; } +h3 { color: white; background: #9D936E; } +h4 { color: white; background: #9D936E; } + +a { color: #BA6D36; } + +</style> +</head> +<body><a NAME="top" ID="top"></a> +<h1>eric6.E5Graphics.E5GraphicsView</h1> +<p> +Module implementing a canvas view class. +</p> +<h3>Global Attributes</h3> +<table> +<tr><td>None</td></tr> +</table> +<h3>Classes</h3> +<table> +<tr> +<td><a href="#E5GraphicsView">E5GraphicsView</a></td> +<td>Class implementing a graphics view.</td> +</tr> +</table> +<h3>Functions</h3> +<table> +<tr><td>None</td></tr> +</table> +<hr /><hr /> +<a NAME="E5GraphicsView" ID="E5GraphicsView"></a> +<h2>E5GraphicsView</h2> +<p> + Class implementing a graphics view. +</p><h3>Signals</h3> +<dl> +<dt>zoomValueChanged(int)</dt> +<dd> +emitted to signal a change of the zoom value +</dd> +</dl> +<h3>Derived from</h3> +QGraphicsView +<h3>Class Attributes</h3> +<table> +<tr><td>ZoomLevelDefault</td></tr><tr><td>ZoomLevels</td></tr> +</table> +<h3>Class Methods</h3> +<table> +<tr><td>None</td></tr> +</table> +<h3>Methods</h3> +<table> +<tr> +<td><a href="#E5GraphicsView.__init__">E5GraphicsView</a></td> +<td>Constructor</td> +</tr><tr> +<td><a href="#E5GraphicsView.__getDiagram">__getDiagram</a></td> +<td>Private method to retrieve the diagram from the scene fitting it in the minimum rectangle.</td> +</tr><tr> +<td><a href="#E5GraphicsView.__levelForZoom">__levelForZoom</a></td> +<td>Private method determining the zoom level index given a zoom factor.</td> +</tr><tr> +<td><a href="#E5GraphicsView._getDiagramRect">_getDiagramRect</a></td> +<td>Protected method to calculate the minimum rectangle fitting the diagram.</td> +</tr><tr> +<td><a href="#E5GraphicsView._getDiagramSize">_getDiagramSize</a></td> +<td>Protected method to calculate the minimum size fitting the diagram.</td> +</tr><tr> +<td><a href="#E5GraphicsView.autoAdjustSceneSize">autoAdjustSceneSize</a></td> +<td>Public method to adjust the scene size to the diagram size.</td> +</tr><tr> +<td><a href="#E5GraphicsView.filteredItems">filteredItems</a></td> +<td>Public method to filter a list of items.</td> +</tr><tr> +<td><a href="#E5GraphicsView.printDiagram">printDiagram</a></td> +<td>Public method to print the diagram.</td> +</tr><tr> +<td><a href="#E5GraphicsView.resizeScene">resizeScene</a></td> +<td>Public method to resize the scene.</td> +</tr><tr> +<td><a href="#E5GraphicsView.saveImage">saveImage</a></td> +<td>Public method to save the scene to a file.</td> +</tr><tr> +<td><a href="#E5GraphicsView.setSceneSize">setSceneSize</a></td> +<td>Public method to set the scene size.</td> +</tr><tr> +<td><a href="#E5GraphicsView.setZoom">setZoom</a></td> +<td>Public method to set the zoom value in percent.</td> +</tr><tr> +<td><a href="#E5GraphicsView.zoom">zoom</a></td> +<td>Public method to get the current zoom factor in percent.</td> +</tr><tr> +<td><a href="#E5GraphicsView.zoomIn">zoomIn</a></td> +<td>Public method to zoom in.</td> +</tr><tr> +<td><a href="#E5GraphicsView.zoomOut">zoomOut</a></td> +<td>Public method to zoom out.</td> +</tr><tr> +<td><a href="#E5GraphicsView.zoomReset">zoomReset</a></td> +<td>Public method to handle the reset the zoom value.</td> +</tr> +</table> +<h3>Static Methods</h3> +<table> +<tr><td>None</td></tr> +</table> +<a NAME="E5GraphicsView.__init__" ID="E5GraphicsView.__init__"></a> +<h4>E5GraphicsView (Constructor)</h4> +<b>E5GraphicsView</b>(<i>scene, parent=None</i>) +<p> + Constructor +</p><dl> +<dt><i>scene</i></dt> +<dd> +reference to the scene object (QGraphicsScene) +</dd><dt><i>parent</i></dt> +<dd> +parent widget (QWidget) +</dd> +</dl><a NAME="E5GraphicsView.__getDiagram" ID="E5GraphicsView.__getDiagram"></a> +<h4>E5GraphicsView.__getDiagram</h4> +<b>__getDiagram</b>(<i>rect, format="PNG", filename=None</i>) +<p> + Private method to retrieve the diagram from the scene fitting it + in the minimum rectangle. +</p><dl> +<dt><i>rect</i></dt> +<dd> +minimum rectangle fitting the diagram (QRectF) +</dd><dt><i>format</i></dt> +<dd> +format for the image file (string) +</dd><dt><i>filename</i></dt> +<dd> +name of the file for non pixmaps (string) +</dd> +</dl><dl> +<dt>Returns:</dt> +<dd> +diagram pixmap to receive the diagram (QPixmap) +</dd> +</dl><a NAME="E5GraphicsView.__levelForZoom" ID="E5GraphicsView.__levelForZoom"></a> +<h4>E5GraphicsView.__levelForZoom</h4> +<b>__levelForZoom</b>(<i>zoom</i>) +<p> + Private method determining the zoom level index given a zoom factor. +</p><dl> +<dt><i>zoom</i></dt> +<dd> +zoom factor (integer) +</dd> +</dl><dl> +<dt>Returns:</dt> +<dd> +index of zoom factor (integer) +</dd> +</dl><a NAME="E5GraphicsView._getDiagramRect" ID="E5GraphicsView._getDiagramRect"></a> +<h4>E5GraphicsView._getDiagramRect</h4> +<b>_getDiagramRect</b>(<i>border=0</i>) +<p> + Protected method to calculate the minimum rectangle fitting the + diagram. +</p><dl> +<dt><i>border</i></dt> +<dd> +border width to include in the calculation (integer) +</dd> +</dl><dl> +<dt>Returns:</dt> +<dd> +the minimum rectangle (QRectF) +</dd> +</dl><a NAME="E5GraphicsView._getDiagramSize" ID="E5GraphicsView._getDiagramSize"></a> +<h4>E5GraphicsView._getDiagramSize</h4> +<b>_getDiagramSize</b>(<i>border=0</i>) +<p> + Protected method to calculate the minimum size fitting the diagram. +</p><dl> +<dt><i>border</i></dt> +<dd> +border width to include in the calculation (integer) +</dd> +</dl><dl> +<dt>Returns:</dt> +<dd> +the minimum size (QSizeF) +</dd> +</dl><a NAME="E5GraphicsView.autoAdjustSceneSize" ID="E5GraphicsView.autoAdjustSceneSize"></a> +<h4>E5GraphicsView.autoAdjustSceneSize</h4> +<b>autoAdjustSceneSize</b>(<i>limit=False</i>) +<p> + Public method to adjust the scene size to the diagram size. +</p><dl> +<dt><i>limit</i></dt> +<dd> +flag indicating to limit the scene to the + initial size (boolean) +</dd> +</dl><a NAME="E5GraphicsView.filteredItems" ID="E5GraphicsView.filteredItems"></a> +<h4>E5GraphicsView.filteredItems</h4> +<b>filteredItems</b>(<i>items</i>) +<p> + Public method to filter a list of items. +</p><dl> +<dt><i>items</i></dt> +<dd> +list of items as returned by the scene object + (QGraphicsItem) +</dd> +</dl><dl> +<dt>Returns:</dt> +<dd> +list of interesting collision items (QGraphicsItem) +</dd> +</dl><a NAME="E5GraphicsView.printDiagram" ID="E5GraphicsView.printDiagram"></a> +<h4>E5GraphicsView.printDiagram</h4> +<b>printDiagram</b>(<i>printer, diagramName=""</i>) +<p> + Public method to print the diagram. +</p><dl> +<dt><i>printer</i></dt> +<dd> +reference to a ready configured printer object + (QPrinter) +</dd><dt><i>diagramName</i></dt> +<dd> +name of the diagram (string) +</dd> +</dl><a NAME="E5GraphicsView.resizeScene" ID="E5GraphicsView.resizeScene"></a> +<h4>E5GraphicsView.resizeScene</h4> +<b>resizeScene</b>(<i>amount, isWidth=True</i>) +<p> + Public method to resize the scene. +</p><dl> +<dt><i>amount</i></dt> +<dd> +size increment (integer) +</dd><dt><i>isWidth</i></dt> +<dd> +flag indicating width is to be resized (boolean) +</dd> +</dl><a NAME="E5GraphicsView.saveImage" ID="E5GraphicsView.saveImage"></a> +<h4>E5GraphicsView.saveImage</h4> +<b>saveImage</b>(<i>filename, format="PNG"</i>) +<p> + Public method to save the scene to a file. +</p><dl> +<dt><i>filename</i></dt> +<dd> +name of the file to write the image to (string) +</dd><dt><i>format</i></dt> +<dd> +format for the image file (string) +</dd> +</dl><dl> +<dt>Returns:</dt> +<dd> +flag indicating success (boolean) +</dd> +</dl><a NAME="E5GraphicsView.setSceneSize" ID="E5GraphicsView.setSceneSize"></a> +<h4>E5GraphicsView.setSceneSize</h4> +<b>setSceneSize</b>(<i>width, height</i>) +<p> + Public method to set the scene size. +</p><dl> +<dt><i>width</i></dt> +<dd> +width for the scene (real) +</dd><dt><i>height</i></dt> +<dd> +height for the scene (real) +</dd> +</dl><a NAME="E5GraphicsView.setZoom" ID="E5GraphicsView.setZoom"></a> +<h4>E5GraphicsView.setZoom</h4> +<b>setZoom</b>(<i>value</i>) +<p> + Public method to set the zoom value in percent. +</p><dl> +<dt><i>value</i></dt> +<dd> +zoom value in percent (integer) +</dd> +</dl><a NAME="E5GraphicsView.zoom" ID="E5GraphicsView.zoom"></a> +<h4>E5GraphicsView.zoom</h4> +<b>zoom</b>(<i></i>) +<p> + Public method to get the current zoom factor in percent. +</p><dl> +<dt>Returns:</dt> +<dd> +current zoom factor in percent (integer) +</dd> +</dl><a NAME="E5GraphicsView.zoomIn" ID="E5GraphicsView.zoomIn"></a> +<h4>E5GraphicsView.zoomIn</h4> +<b>zoomIn</b>(<i></i>) +<p> + Public method to zoom in. +</p><a NAME="E5GraphicsView.zoomOut" ID="E5GraphicsView.zoomOut"></a> +<h4>E5GraphicsView.zoomOut</h4> +<b>zoomOut</b>(<i></i>) +<p> + Public method to zoom out. +</p><a NAME="E5GraphicsView.zoomReset" ID="E5GraphicsView.zoomReset"></a> +<h4>E5GraphicsView.zoomReset</h4> +<b>zoomReset</b>(<i></i>) +<p> + Public method to handle the reset the zoom value. +</p> +<div align="right"><a href="#top">Up</a></div> +<hr /> +</body></html> \ No newline at end of file