Graphics/PixmapDiagram.py

Mon, 25 Mar 2013 03:11:06 +0100

author
T.Rzepka <Tobias.Rzepka@gmail.com>
date
Mon, 25 Mar 2013 03:11:06 +0100
branch
Py2 comp.
changeset 2525
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parent 2334
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child 3057
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permissions
-rw-r--r--

Script changes: Future import added, super calls modified and unicode behavior for str.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2004 - 2013 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing a dialog showing a pixmap.
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8 """
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9
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10 from __future__ import unicode_literals # __IGNORE_WARNING__
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11
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12 from PyQt4.QtCore import Qt, QSize, QEvent
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13 from PyQt4.QtGui import QLabel, QPalette, QSizePolicy, QScrollArea, QAction, QMenu, \
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14 QToolBar, QImage, QPixmap, QPrinter, QPrintDialog, QPainter, QFont, QColor
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15
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16 from E5Gui import E5MessageBox
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17 from E5Gui.E5MainWindow import E5MainWindow
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18 from E5Gui.E5ZoomWidget import E5ZoomWidget
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19
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20 import UI.Config
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21
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22 import Preferences
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23
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25 class PixmapDiagram(E5MainWindow):
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26 """
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27 Class implementing a dialog showing a pixmap.
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28 """
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29 ZoomLevels = [
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30 1, 3, 5, 7, 9,
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31 10, 20, 30, 50, 67, 80, 90,
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32 100,
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33 110, 120, 133, 150, 170, 200, 240, 300, 400,
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34 500, 600, 700, 800, 900, 1000,
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35 ]
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36 ZoomLevelDefault = 100
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37
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38 def __init__(self, pixmap, parent=None, name=None):
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39 """
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40 Constructor
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41
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42 @param pixmap filename of a graphics file to show (string)
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43 @param parent parent widget of the view (QWidget)
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44 @param name name of the view widget (string)
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45 """
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46 super(PixmapDiagram, self).__init__(parent)
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47 if name:
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48 self.setObjectName(name)
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49 else:
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50 self.setObjectName("PixmapDiagram")
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51 self.setWindowTitle(self.trUtf8("Pixmap-Viewer"))
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52
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53 self.pixmapLabel = QLabel()
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54 self.pixmapLabel.setObjectName("pixmapLabel")
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55 self.pixmapLabel.setBackgroundRole(QPalette.Base)
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56 self.pixmapLabel.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
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57 self.pixmapLabel.setScaledContents(True)
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58
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59 self.pixmapView = QScrollArea()
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60 self.pixmapView.setObjectName("pixmapView")
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61 self.pixmapView.setBackgroundRole(QPalette.Dark)
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62 self.pixmapView.setWidget(self.pixmapLabel)
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63
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64 self.setCentralWidget(self.pixmapView)
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65
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66 self.__zoomWidget = E5ZoomWidget(UI.PixmapCache.getPixmap("zoomOut.png"),
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67 UI.PixmapCache.getPixmap("zoomIn.png"),
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68 UI.PixmapCache.getPixmap("zoomReset.png"), self)
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69 self.statusBar().addPermanentWidget(self.__zoomWidget)
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70 self.__zoomWidget.setMapping(
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71 PixmapDiagram.ZoomLevels, PixmapDiagram.ZoomLevelDefault)
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72 self.__zoomWidget.valueChanged.connect(self.__doZoom)
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73
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74 # polish up the dialog
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75 self.resize(QSize(800, 600).expandedTo(self.minimumSizeHint()))
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76
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77 self.pixmapfile = pixmap
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78 self.status = self.__showPixmap(self.pixmapfile)
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79
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80 self.__initActions()
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81 self.__initContextMenu()
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82 self.__initToolBars()
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83
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84 self.grabGesture(Qt.PinchGesture)
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85
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86 def __initActions(self):
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87 """
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88 Private method to initialize the view actions.
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89 """
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90 self.closeAct = \
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91 QAction(UI.PixmapCache.getIcon("close.png"),
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92 self.trUtf8("Close"), self)
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93 self.closeAct.triggered[()].connect(self.close)
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94
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95 self.printAct = \
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96 QAction(UI.PixmapCache.getIcon("print.png"),
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97 self.trUtf8("Print"), self)
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98 self.printAct.triggered[()].connect(self.__printDiagram)
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99
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100 self.printPreviewAct = \
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101 QAction(UI.PixmapCache.getIcon("printPreview.png"),
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102 self.trUtf8("Print Preview"), self)
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103 self.printPreviewAct.triggered[()].connect(self.__printPreviewDiagram)
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104
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105 def __initContextMenu(self):
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106 """
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107 Private method to initialize the context menu.
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108 """
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109 self.__menu = QMenu(self)
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110 self.__menu.addAction(self.closeAct)
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111 self.__menu.addSeparator()
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112 self.__menu.addAction(self.printPreviewAct)
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113 self.__menu.addAction(self.printAct)
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114
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115 self.setContextMenuPolicy(Qt.CustomContextMenu)
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116 self.customContextMenuRequested.connect(self.__showContextMenu)
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117
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118 def __showContextMenu(self, coord):
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119 """
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120 Private slot to show the context menu of the listview.
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121
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122 @param coord the position of the mouse pointer (QPoint)
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123 """
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124 self.__menu.popup(self.mapToGlobal(coord))
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125
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126 def __initToolBars(self):
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parents:
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127 """
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parents:
diff changeset
128 Private method to populate the toolbars with our actions.
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parents:
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129 """
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parents:
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130 self.windowToolBar = QToolBar(self.trUtf8("Window"), self)
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parents:
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131 self.windowToolBar.setIconSize(UI.Config.ToolBarIconSize)
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parents:
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132 self.windowToolBar.addAction(self.closeAct)
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133
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134 self.graphicsToolBar = QToolBar(self.trUtf8("Graphics"), self)
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parents:
diff changeset
135 self.graphicsToolBar.setIconSize(UI.Config.ToolBarIconSize)
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parents:
diff changeset
136 self.graphicsToolBar.addAction(self.printPreviewAct)
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parents:
diff changeset
137 self.graphicsToolBar.addAction(self.printAct)
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parents:
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138
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diff changeset
139 self.addToolBar(Qt.TopToolBarArea, self.windowToolBar)
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parents:
diff changeset
140 self.addToolBar(Qt.TopToolBarArea, self.graphicsToolBar)
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141
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parents:
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142 def __showPixmap(self, filename):
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parents:
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143 """
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parents:
diff changeset
144 Private method to show a file.
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parents:
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145
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parents:
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146 @param filename name of the file to be shown (string)
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parents:
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147 @return flag indicating success (boolean)
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parents:
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148 """
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parents:
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149 image = QImage(filename)
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parents:
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150 if image.isNull():
539
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parents: 483
diff changeset
151 E5MessageBox.warning(self,
0
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152 self.trUtf8("Pixmap-Viewer"),
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153 self.trUtf8("""<p>The file <b>{0}</b> cannot be displayed."""
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parents:
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154 """ The format is not supported.</p>""").format(filename))
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155 return False
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156
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157 self.pixmapLabel.setPixmap(QPixmap.fromImage(image))
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parents:
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158 self.pixmapLabel.adjustSize()
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159 return True
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160
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161 def getDiagramName(self):
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parents:
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162 """
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parents:
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163 Method to retrieve a name for the diagram.
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parents:
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164
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165 @return name for the diagram
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parents:
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166 """
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parents:
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167 return self.pixmapfile
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parents:
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168
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169 def getStatus(self):
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parents:
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170 """
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parents:
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171 Method to retrieve the status of the canvas.
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parents:
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172
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173 @return flag indicating a successful pixmap loading (boolean)
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parents:
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174 """
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parents:
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175 return self.status
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176
1507
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177 def wheelEvent(self, evt):
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parents: 1155
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178 """
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parents: 1155
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179 Protected method to handle wheel events.
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180
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181 @param evt reference to the wheel event (QWheelEvent)
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182 """
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parents: 1155
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183 if evt.modifiers() & Qt.ControlModifier:
1588
dccffd13be8d Did some PEP-8 related corrections.
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parents: 1518
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184 if evt.delta() < 0:
1507
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185 self.__zoomOut()
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186 else:
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187 self.__zoomIn()
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188 evt.accept()
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189 return
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190
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parents: 2334
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191 super(PixmapDiagram, self).wheelEvent(evt)
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192
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193 def event(self, evt):
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194 """
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195 Protected method handling events.
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196
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197 @param evt reference to the event (QEvent)
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198 @return flag indicating, if the event was handled (boolean)
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199 """
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200 if evt.type() == QEvent.Gesture:
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201 self.gestureEvent(evt)
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202 return True
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parents: 1509
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203
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parents: 2334
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204 return super(PixmapDiagram, self).event(evt)
1518
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205
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206 def gestureEvent(self, evt):
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207 """
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parents: 1509
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208 Protected method handling gesture events.
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parents: 1509
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209
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210 @param evt reference to the gesture event (QGestureEvent
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parents: 1509
diff changeset
211 """
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parents: 1509
diff changeset
212 pinch = evt.gesture(Qt.PinchGesture)
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213 if pinch:
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214 if pinch.state() == Qt.GestureStarted:
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diff changeset
215 pinch.setScaleFactor(self.__zoom() / 100)
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216 else:
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diff changeset
217 self.__doZoom(int(pinch.scaleFactor() * 100))
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218 evt.accept()
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219
0
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220 ############################################################################
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parents:
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221 ## Private menu handling methods below.
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parents:
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222 ############################################################################
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223
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diff changeset
224 def __adjustScrollBar(self, scrollBar, factor):
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parents:
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225 """
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parents:
diff changeset
226 Private method to adjust a scrollbar by a certain factor.
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227
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228 @param scrollBar reference to the scrollbar object (QScrollBar)
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parents:
diff changeset
229 @param factor factor to adjust by (float)
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parents:
diff changeset
230 """
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parents:
diff changeset
231 scrollBar.setValue(int(factor * scrollBar.value()
945
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
232 + ((factor - 1) * scrollBar.pageStep() / 2)))
0
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233
2334
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diff changeset
234 def __levelForZoom(self, zoom):
0
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235 """
2334
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diff changeset
236 Private method determining the zoom level index given a zoom factor.
0
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237
2334
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diff changeset
238 @param zoom zoom factor (integer)
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diff changeset
239 @return index of zoom factor (integer)
0
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parents:
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240 """
2334
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parents: 2302
diff changeset
241 try:
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parents: 2302
diff changeset
242 index = PixmapDiagram.ZoomLevels.index(zoom)
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diff changeset
243 except ValueError:
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parents: 2302
diff changeset
244 for index in range(len(PixmapDiagram.ZoomLevels)):
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diff changeset
245 if zoom <= PixmapDiagram.ZoomLevels[index]:
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parents: 2302
diff changeset
246 break
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diff changeset
247 return index
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248
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diff changeset
249 def __doZoom(self, value):
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250 """
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diff changeset
251 Public method to set the zoom value in percent.
0
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252
2334
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parents: 2302
diff changeset
253 @param value zoom value in percent (integer)
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parents: 2302
diff changeset
254 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
255 oldValue = self.__zoom()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
256 if value != oldValue:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
257 self.pixmapLabel.resize(value / 100 * self.pixmapLabel.pixmap().size())
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parents: 2302
diff changeset
258
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
259 factor = value / oldValue
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
260 self.__adjustScrollBar(self.pixmapView.horizontalScrollBar(), factor)
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parents: 2302
diff changeset
261 self.__adjustScrollBar(self.pixmapView.verticalScrollBar(), factor)
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parents: 2302
diff changeset
262
fc69ad77e18a Introduced a zoom widget in the status bar of several windows.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
263 self.__zoomWidget.setValue(value)
0
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parents:
diff changeset
264
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
265 def __zoomIn(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
266 """
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
267 Private method to zoom into the pixmap.
0
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parents:
diff changeset
268 """
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
269 index = self.__levelForZoom(self.__zoom())
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parents: 2302
diff changeset
270 if index < len(PixmapDiagram.ZoomLevels) - 1:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
271 self.__doZoom(PixmapDiagram.ZoomLevels[index + 1])
0
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diff changeset
272
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
273 def __zoomOut(self):
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parents:
diff changeset
274 """
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
275 Private method to zoom out of the pixmap.
0
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parents:
diff changeset
276 """
2334
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parents: 2302
diff changeset
277 index = self.__levelForZoom(self.__zoom())
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parents: 2302
diff changeset
278 if index > 0:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
279 self.__doZoom(PixmapDiagram.ZoomLevels[index - 1])
0
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parents:
diff changeset
280
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
281 def __zoomReset(self):
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parents:
diff changeset
282 """
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
283 Private method to reset the zoom value.
0
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parents:
diff changeset
284 """
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
285 self.__doZoom(PixmapDiagram.ZoomLevels[PixmapDiagram.ZoomLevelDefault])
0
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parents:
diff changeset
286
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
287 def __zoom(self):
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parents:
diff changeset
288 """
2334
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
289 Public method to get the current zoom factor in percent.
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parents: 2302
diff changeset
290
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2302
diff changeset
291 @return current zoom factor in percent (integer)
0
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parents:
diff changeset
292 """
2334
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parents: 2302
diff changeset
293 return int(self.pixmapLabel.width() / self.pixmapLabel.pixmap().width() * 100.0)
0
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parents:
diff changeset
294
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
295 def __printDiagram(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
296 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
297 Private slot called to print the diagram.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
298 """
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
299 printer = QPrinter(mode=QPrinter.ScreenResolution)
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
300 printer.setFullPage(True)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
301 if Preferences.getPrinter("ColorMode"):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
302 printer.setColorMode(QPrinter.Color)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
303 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
304 printer.setColorMode(QPrinter.GrayScale)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
305 if Preferences.getPrinter("FirstPageFirst"):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
306 printer.setPageOrder(QPrinter.FirstPageFirst)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
307 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
308 printer.setPageOrder(QPrinter.LastPageFirst)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
309 printer.setPrinterName(Preferences.getPrinter("PrinterName"))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
310
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
311 printDialog = QPrintDialog(printer, self)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
312 if printDialog.exec_():
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
313 self.__print(printer)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
314
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
315 def __printPreviewDiagram(self):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
316 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
317 Private slot called to show a print preview of the diagram.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
318 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
319 from PyQt4.QtGui import QPrintPreviewDialog
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parents:
diff changeset
320
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
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parents: 791
diff changeset
321 printer = QPrinter(mode=QPrinter.ScreenResolution)
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
322 printer.setFullPage(True)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
323 if Preferences.getPrinter("ColorMode"):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
324 printer.setColorMode(QPrinter.Color)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
325 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
326 printer.setColorMode(QPrinter.GrayScale)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
327 if Preferences.getPrinter("FirstPageFirst"):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
328 printer.setPageOrder(QPrinter.FirstPageFirst)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
329 else:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
330 printer.setPageOrder(QPrinter.LastPageFirst)
1155
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
331 printer.setPageMargins(
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
332 Preferences.getPrinter("LeftMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
333 Preferences.getPrinter("TopMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
334 Preferences.getPrinter("RightMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
335 Preferences.getPrinter("BottomMargin") * 10,
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
336 QPrinter.Millimeter
4cbef040f07e Fixed issues setting the printer margins correctly.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1131
diff changeset
337 )
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
338 printer.setPrinterName(Preferences.getPrinter("PrinterName"))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
339
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
340 preview = QPrintPreviewDialog(printer, self)
483
ca7d8599a575 Continued porting signal/slot usage to the new API.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 458
diff changeset
341 preview.paintRequested[QPrinter].connect(self.__print)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
342 preview.exec_()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
343
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
344 def __print(self, printer):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
345 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
346 Private slot to the actual printing.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
347
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
348 @param printer reference to the printer object (QPrinter)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
349 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
350 painter = QPainter()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
351 painter.begin(printer)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
352
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
353 # calculate margin and width of printout
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
354 font = QFont("times", 10)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
355 painter.setFont(font)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
356 fm = painter.fontMetrics()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
357 fontHeight = fm.lineSpacing()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
358 marginX = printer.pageRect().x() - printer.paperRect().x()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
359 marginX = \
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
360 Preferences.getPrinter("LeftMargin") * int(printer.resolution() / 2.54) \
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
361 - marginX
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
362 marginY = printer.pageRect().y() - printer.paperRect().y()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
363 marginY = \
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
364 Preferences.getPrinter("TopMargin") * int(printer.resolution() / 2.54) \
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
365 - marginY
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
366
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
367 width = printer.width() - marginX \
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
368 - Preferences.getPrinter("RightMargin") * int(printer.resolution() / 2.54)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
369 height = printer.height() - fontHeight - 4 - marginY \
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
370 - Preferences.getPrinter("BottomMargin") * int(printer.resolution() / 2.54)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
371
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
372 # write a foot note
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
373 s = self.trUtf8("Diagram: {0}").format(self.getDiagramName())
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
374 tc = QColor(50, 50, 50)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
375 painter.setPen(tc)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
376 painter.drawRect(marginX, marginY, width, height)
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
377 painter.drawLine(marginX, marginY + height + 2,
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
378 marginX + width, marginY + height + 2)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
379 painter.setFont(font)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
380 painter.drawText(marginX, marginY + height + 4, width,
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
381 fontHeight, Qt.AlignRight, s)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
382
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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383 # render the diagram
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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384 size = self.pixmapLabel.pixmap().size()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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385 size.scale(QSize(width - 10, height - 10), # 5 px inner margin
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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386 Qt.KeepAspectRatio)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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387 painter.setViewport(marginX + 5, marginY + 5, size.width(), size.height())
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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388 painter.setWindow(self.pixmapLabel.pixmap().rect())
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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389 painter.drawPixmap(0, 0, self.pixmapLabel.pixmap())
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
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390 painter.end()

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