#!/usr/bin/env python ############################################################################# ## ## Copyright (C) 2010 Riverbank Computing Limited. ## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ## All rights reserved. ## ## This file is part of the examples of PyQt. ## ## $QT_BEGIN_LICENSE:BSD$ ## You may use this file under the terms of the BSD license as follows: ## ## "Redistribution and use in source and binary forms, with or without ## modification, are permitted provided that the following conditions are ## met: ## * Redistributions of source code must retain the above copyright ## notice, this list of conditions and the following disclaimer. ## * Redistributions in binary form must reproduce the above copyright ## notice, this list of conditions and the following disclaimer in ## the documentation and/or other materials provided with the ## distribution. ## * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor ## the names of its contributors may be used to endorse or promote ## products derived from this software without specific prior written ## permission. ## ## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ## $QT_END_LICENSE$ ## ############################################################################# # This is only needed for Python v2 but is harmless for Python v3. import sip sip.setapi('QVariant', 2) from PyQt4 import QtCore, QtGui, QtSvg class SvgTextObject(QtGui.QPyTextObject): def intrinsicSize(self, doc, posInDocument, format): renderer = QtSvg.QSvgRenderer(format.property(Window.SvgData)) size = renderer.defaultSize() if size.height() > 25: size *= 25.0 / size.height() return QtCore.QSizeF(size) def drawObject(self, painter, rect, doc, posInDocument, format): renderer = QtSvg.QSvgRenderer(format.property(Window.SvgData)) renderer.render(painter, rect) class Window(QtGui.QWidget): SvgTextFormat = QtGui.QTextFormat.UserObject + 1 SvgData = 1 def __init__(self): super(Window, self).__init__() self.setupGui() self.setupTextObject() self.setWindowTitle("Text Object Example") def insertTextObject(self): fileName = self.fileNameLineEdit.text() file = QtCore.QFile(fileName) if not file.open(QtCore.QIODevice.ReadOnly): QtGui.QMessageBox.warning(self, "Error Opening File", "Could not open '%s'" % fileName) svgData = file.readAll() svgCharFormat = QtGui.QTextCharFormat() svgCharFormat.setObjectType(Window.SvgTextFormat) svgCharFormat.setProperty(Window.SvgData, svgData) try: # Python v2. orc = unichr(0xfffc) except NameError: # Python v3. orc = chr(0xfffc) cursor = self.textEdit.textCursor() cursor.insertText(orc, svgCharFormat) self.textEdit.setTextCursor(cursor) def setupTextObject(self): svgInterface = SvgTextObject(self) self.textEdit.document().documentLayout().registerHandler(Window.SvgTextFormat, svgInterface) def setupGui(self): fileNameLabel = QtGui.QLabel("Svg File Name:") self.fileNameLineEdit = QtGui.QLineEdit() insertTextObjectButton = QtGui.QPushButton("Insert Image") self.fileNameLineEdit.setText('./files/heart.svg') insertTextObjectButton.clicked.connect(self.insertTextObject) bottomLayout = QtGui.QHBoxLayout() bottomLayout.addWidget(fileNameLabel) bottomLayout.addWidget(self.fileNameLineEdit) bottomLayout.addWidget(insertTextObjectButton) self.textEdit = QtGui.QTextEdit() mainLayout = QtGui.QVBoxLayout() mainLayout.addWidget(self.textEdit) mainLayout.addLayout(bottomLayout) self.setLayout(mainLayout) if __name__ == '__main__': import sys app = QtGui.QApplication(sys.argv) window = Window() window.show() sys.exit(app.exec_())