class ViewSettings(preferences.Group): def __init__(self, page): super(ViewSettings, self).__init__(page) layout = QGridLayout(spacing=1) self.setLayout(layout) self.wrapLines = QCheckBox(toggled=self.changed) self.numContextLines = QSpinBox(minimum=0, maximum=20, valueChanged=self.changed) self.numContextLinesLabel = l = QLabel() l.setBuddy(self.numContextLines) layout.addWidget(self.wrapLines, 0, 0, 1, 1) layout.addWidget(self.numContextLinesLabel, 1, 0) layout.addWidget(self.numContextLines, 1, 1) app.translateUI(self) def translateUI(self): self.setTitle(_("View Preferences")) self.wrapLines.setText(_("Wrap long lines by default")) self.wrapLines.setToolTip('<qt>' + _( "If enabled, lines that don't fit in the editor width are wrapped " "by default. " "Note: when the document is displayed by multiple views, they all " "share the same line wrapping width, which might look strange.")) self.numContextLinesLabel.setText(_("Number of surrounding lines:")) self.numContextLines.setToolTip('<qt>' + _( "When jumping between search results or clicking on a link, the " "text view tries to scroll as few lines as possible. " "Here you can speficy how many surrounding lines at least should " "be visible.")) self.numContextLinesLabel.setToolTip(self.numContextLines.toolTip()) def loadSettings(self): s = QSettings() s.beginGroup("view_preferences") self.wrapLines.setChecked(s.value("wrap_lines", False, bool)) self.numContextLines.setValue(s.value("context_lines", 3, int)) def saveSettings(self): s = QSettings() s.beginGroup("view_preferences") s.setValue("wrap_lines", self.wrapLines.isChecked()) s.setValue("context_lines", self.numContextLines.value())
class ViewSettings(preferences.Group): def __init__(self, page): super(ViewSettings, self).__init__(page) layout = QGridLayout(spacing=1) self.setLayout(layout) self.wrapLines = QCheckBox(toggled=self.changed) self.numContextLines = QSpinBox(minimum=0, maximum=20, valueChanged=self.changed) self.numContextLinesLabel = l = QLabel() l.setBuddy(self.numContextLines) layout.addWidget(self.wrapLines, 0, 0, 1, 1) layout.addWidget(self.numContextLinesLabel, 1, 0) layout.addWidget(self.numContextLines, 1, 1) app.translateUI(self) def translateUI(self): self.setTitle(_("View Preferences")) self.wrapLines.setText(_("Wrap long lines by default")) self.wrapLines.setToolTip('<qt>' + _( "If enabled, lines that don't fit in the editor width are wrapped " "by default. " "Note: when the document is displayed by multiple views, they all " "share the same line wrapping width, which might look strange.")) self.numContextLinesLabel.setText(_("Number of surrounding lines:")) self.numContextLines.setToolTip('<qt>' + _( "When jumping between search results or clicking on a link, the " "text view tries to scroll as few lines as possible. " "Here you can specify how many surrounding lines at least should " "be visible.")) self.numContextLinesLabel.setToolTip(self.numContextLines.toolTip()) def loadSettings(self): s = QSettings() s.beginGroup("view_preferences") self.wrapLines.setChecked(s.value("wrap_lines", False, bool)) self.numContextLines.setValue(s.value("context_lines", 3, int)) def saveSettings(self): s = QSettings() s.beginGroup("view_preferences") s.setValue("wrap_lines", self.wrapLines.isChecked()) s.setValue("context_lines", self.numContextLines.value())
class Window(QMainWindow): def __init__(self, parent=None): super(Window, self).__init__(parent) self.image = QImage() self.dirty = False self.filename = None self.mirroredvertically = False self.mirroredhorizontally = False self.printer = None self.create_widgets() self.create_actions() self.load_settings() self.setWindowTitle("Image Changer") self.updateFileMenu() QTimer.singleShot(0, self.loadInitialFile) def create_widgets(self): self.imageLabel = QLabel() self.imageLabel.setMinimumSize(200, 200) self.imageLabel.setAlignment(Qt.AlignCenter) self.imageLabel.setContextMenuPolicy(Qt.ActionsContextMenu) self.setCentralWidget(self.imageLabel) logDockWidget = QDockWidget("Log", self) logDockWidget.setObjectName("LogDockWidget") logDockWidget.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea) self.listWidget = QListWidget() logDockWidget.setWidget(self.listWidget) self.addDockWidget(Qt.RightDockWidgetArea, logDockWidget) self.sizeLabel = QLabel() self.sizeLabel.setFrameStyle(QFrame.StyledPanel | QFrame.Sunken) status = self.statusBar() status.setSizeGripEnabled(False) status.addPermanentWidget(self.sizeLabel) status.showMessage("Ready", 5000) def create_actions(self): fileNewAction = self.createAction("&New...", self.fileNew, QKeySequence.New, "filenew", "Create an image file") fileOpenAction = self.createAction("&Open...", self.fileOpen, QKeySequence.Open, "fileopen", "Open an existing image file") fileSaveAction = self.createAction("&Save", self.fileSave, QKeySequence.Save, "filesave", "Save the image") fileSaveAsAction = self.createAction( "Save &As...", self.fileSaveAs, icon="filesaveas", tip="Save the image using a new name") filePrintAction = self.createAction("&Print", self.filePrint, QKeySequence.Print, "fileprint", "Print the image") fileQuitAction = self.createAction("&Quit", self.close, "Ctrl+Q", "filequit", "Close the application") editInvertAction = self.createAction("&Invert", None, "Ctrl+I", "editinvert", "Invert the image's colors", True) editInvertAction.toggled.connect(self.editInvert) editSwapRedAndBlueAction = self.createAction( "Sw&ap Red and Blue", None, "Ctrl+A", "editswap", "Swap the image's red and blue color components", True) editSwapRedAndBlueAction.toggled.connect(self.editSwapRedAndBlue) editZoomAction = self.createAction("&Zoom...", self.editZoom, "Alt+Z", "editzoom", "Zoom the image") mirrorGroup = QActionGroup(self) editUnMirrorAction = self.createAction("&Unmirror", None, "Ctrl+U", "editunmirror", "Unmirror the image", True) editUnMirrorAction.toggled.connect(self.editUnMirror) mirrorGroup.addAction(editUnMirrorAction) editMirrorHorizontalAction = self.createAction( "Mirror &Horizontally", None, "Ctrl+H", "editmirrorhoriz", "Horizontally mirror the image", True) editMirrorHorizontalAction.toggled.connect(self.editMirrorHorizontal) mirrorGroup.addAction(editMirrorHorizontalAction) editMirrorVerticalAction = self.createAction( "Mirror &Vertically", None, "Ctrl+V", "editmirrorvert", "Vertically mirror the image", True) editMirrorVerticalAction.toggled.connect(self.editMirrorVertical) mirrorGroup.addAction(editMirrorVerticalAction) editUnMirrorAction.setChecked(True) helpAboutAction = self.createAction("&About Image Changer", self.helpAbout) helpHelpAction = self.createAction("&Help", self.helpHelp, QKeySequence.HelpContents) self.fileMenu = self.menuBar().addMenu("&File") self.fileMenuActions = (fileNewAction, fileOpenAction, fileSaveAction, fileSaveAsAction, None, filePrintAction, fileQuitAction) self.fileMenu.aboutToShow.connect(self.updateFileMenu) editMenu = self.menuBar().addMenu("&Edit") self.addActions( editMenu, (editInvertAction, editSwapRedAndBlueAction, editZoomAction)) mirrorMenu = editMenu.addMenu(QIcon(":/editmirror.png"), "&Mirror") self.addActions(mirrorMenu, (editUnMirrorAction, editMirrorHorizontalAction, editMirrorVerticalAction)) helpMenu = self.menuBar().addMenu("&Help") self.addActions(helpMenu, (helpAboutAction, helpHelpAction)) fileToolbar = self.addToolBar("File") fileToolbar.setObjectName("FileToolBar") self.addActions(fileToolbar, (fileNewAction, fileOpenAction, fileSaveAsAction)) editToolbar = self.addToolBar("Edit") editToolbar.setObjectName("EditToolBar") self.addActions( editToolbar, (editInvertAction, editSwapRedAndBlueAction, editUnMirrorAction, editMirrorVerticalAction, editMirrorHorizontalAction)) self.zoomSpinBox = QSpinBox() self.zoomSpinBox.setRange(1, 400) self.zoomSpinBox.setSuffix(" %") self.zoomSpinBox.setValue(100) self.zoomSpinBox.setToolTip("Zoom the image") self.zoomSpinBox.setStatusTip(self.zoomSpinBox.toolTip()) self.zoomSpinBox.setFocusPolicy(Qt.NoFocus) self.zoomSpinBox.valueChanged.connect(self.showImage) editToolbar.addWidget(self.zoomSpinBox) self.addActions( self.imageLabel, (editInvertAction, editSwapRedAndBlueAction, editUnMirrorAction, editMirrorVerticalAction, editMirrorHorizontalAction)) self.resetableActions = ((editInvertAction, False), (editSwapRedAndBlueAction, False), (editUnMirrorAction, True)) def load_settings(self): settings = QSettings() self.recentFiles = settings.value("RecentFiles").toStringList() self.restoreGeometry( settings.value("MainWindow/Geometry").toByteArray()) self.restoreState(settings.value("MainWindow/State").toByteArray()) def createAction(self, text, slot=None, shortcut=None, icon=None, tip=None, checkable=False): action = QAction(text, self) if icon is not None: action.setIcon(QIcon(":/{0}.png".format(icon))) if shortcut is not None: action.setShortcut(shortcut) if tip is not None: action.setToolTip(tip) action.setStatusTip(tip) if slot is not None: action.triggered.connect(slot) if checkable: action.setCheckable(True) return action def addActions(self, target, actions): for action in actions: if action is None: target.addSeparator() else: target.addAction(action) def closeEvent(self, event): if self.okToContinue(): settings = QSettings() filename = (QVariant(QString(self.filename)) if self.filename is not None else QVariant()) settings.setValue("LastFile", filename) recentFiles = (QVariant(self.recentFiles) if self.recentFiles else QVariant()) settings.setValue("RecentFiles", recentFiles) settings.setValue("MainWindow/Geometry", QVariant(self.saveGeometry())) settings.setValue("MainWindow/State", QVariant(self.saveState())) else: event.ignore() def okToContinue(self): if self.dirty: reply = QMessageBox.question( self, "Image Changer - Unsaved Changes", "Save unsaved changes?", QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel) if reply == QMessageBox.Cancel: return False elif reply == QMessageBox.Yes: return self.fileSave() return True def loadInitialFile(self): settings = QSettings() fname = unicode(settings.value("LastFile").toString()) if fname and QFile.exists(fname): self.loadFile(fname) def updateStatus(self, message): self.statusBar().showMessage(message, 5000) self.listWidget.addItem(message) if self.filename is not None: self.setWindowTitle("Image Changer - {0}[*]".format( os.path.basename(self.filename))) elif not self.image.isNull(): self.setWindowTitle("Image Changer - Unnamed[*]") else: self.setWindowTitle("Image Changer[*]") self.setWindowModified(self.dirty) def updateFileMenu(self): self.fileMenu.clear() self.addActions(self.fileMenu, self.fileMenuActions[:-1]) current = (QString(self.filename) if self.filename is not None else None) recentFiles = [] for fname in self.recentFiles: if fname != current and QFile.exists(fname): recentFiles.append(fname) if recentFiles: self.fileMenu.addSeparator() for i, fname in enumerate(recentFiles): action = QAction( QIcon(":/icon.png"), "&{0} {1}".format(i + 1, QFileInfo(fname).fileName()), self) action.setData(QVariant(fname)) action.triggered.connect(self.loadFile) self.fileMenu.addAction(action) self.fileMenu.addSeparator() self.fileMenu.addAction(self.fileMenuActions[-1]) def fileNew(self): if not self.okToContinue(): return dialog = newimagedlg.NewImageDlg(self) if dialog.exec_(): self.addRecentFile(self.filename) self.image = QImage() for action, check in self.resetableActions: action.setChecked(check) self.image = dialog.image() self.filename = None self.dirty = True self.showImage() self.sizeLabel.setText("{0} x {1}".format(self.image.width(), self.image.height())) self.updateStatus("Created new image") def fileOpen(self): if not self.okToContinue(): return dir = (os.path.dirname(self.filename) if self.filename is not None else ".") formats = ([ "*.{0}".format(unicode(format).lower()) for format in QImageReader.supportedImageFormats() ]) fname = unicode( QFileDialog.getOpenFileName( self, "Image Changer - Choose Image", dir, "Image files ({0})".format(" ".join(formats)))) if fname: self.loadFile(fname) def loadFile(self, fname=None): if fname is None: action = self.sender() if isinstance(action, QAction): fname = unicode(action.data().toString()) if not self.okToContinue(): return else: return if fname: self.filename = None image = QImage(fname) if image.isNull(): message = "Failed to read {0}".format(fname) else: self.addRecentFile(fname) self.image = QImage() for action, check in self.resetableActions: action.setChecked(check) self.image = image self.filename = fname self.showImage() self.dirty = False self.sizeLabel.setText("{0} x {1}".format( image.width(), image.height())) message = "Loaded {0}".format(os.path.basename(fname)) self.updateStatus(message) def addRecentFile(self, fname): if fname is None: return if not self.recentFiles.contains(fname): self.recentFiles.prepend(QString(fname)) while self.recentFiles.count() > 9: self.recentFiles.takeLast() def fileSave(self): if self.image.isNull(): return True if self.filename is None: return self.fileSaveAs() else: if self.image.save(self.filename, None): self.updateStatus("Saved as {0}".format(self.filename)) self.dirty = False return True else: self.updateStatus("Failed to save {0}".format(self.filename)) return False def fileSaveAs(self): if self.image.isNull(): return True fname = self.filename if self.filename is not None else "." formats = ([ "*.{0}".format(unicode(format).lower()) for format in QImageWriter.supportedImageFormats() ]) fname = unicode( QFileDialog.getSaveFileName( self, "Image Changer - Save Image", fname, "Image files ({0})".format(" ".join(formats)))) if fname: if "." not in fname: fname += ".png" self.addRecentFile(fname) self.filename = fname return self.fileSave() return False def filePrint(self): if self.image.isNull(): return if self.printer is None: self.printer = QPrinter(QPrinter.HighResolution) self.printer.setPageSize(QPrinter.Letter) form = QPrintDialog(self.printer, self) if form.exec_(): painter = QPainter(self.printer) rect = painter.viewport() size = self.image.size() size.scale(rect.size(), Qt.KeepAspectRatio) painter.setViewport(rect.x(), rect.y(), size.width(), size.height()) painter.drawImage(0, 0, self.image) def editInvert(self, on): if self.image.isNull(): return self.image.invertPixels() self.showImage() self.dirty = True self.updateStatus("Inverted" if on else "Uninverted") def editSwapRedAndBlue(self, on): if self.image.isNull(): return self.image = self.image.rgbSwapped() self.showImage() self.dirty = True self.updateStatus( ("Swapped Red and Blue" if on else "Unswapped Red and Blue")) def editUnMirror(self, on): if self.image.isNull(): return if self.mirroredhorizontally: self.editMirrorHorizontal(False) if self.mirroredvertically: self.editMirrorVertical(False) def editMirrorHorizontal(self, on): if self.image.isNull(): return self.image = self.image.mirrored(True, False) self.showImage() self.mirroredhorizontally = not self.mirroredhorizontally self.dirty = True self.updateStatus( ("Mirrored Horizontally" if on else "Unmirrored Horizontally")) def editMirrorVertical(self, on): if self.image.isNull(): return self.image = self.image.mirrored(False, True) self.showImage() self.mirroredvertically = not self.mirroredvertically self.dirty = True self.updateStatus( ("Mirrored Vertically" if on else "Unmirrored Vertically")) def editZoom(self): if self.image.isNull(): return percent, ok = QInputDialog.getInteger(self, "Image Changer - Zoom", "Percent:", self.zoomSpinBox.value(), 1, 400) if ok: self.zoomSpinBox.setValue(percent) def showImage(self, percent=None): if self.image.isNull(): return if percent is None: percent = self.zoomSpinBox.value() factor = percent / 100.0 width = self.image.width() * factor height = self.image.height() * factor image = self.image.scaled(width, height, Qt.KeepAspectRatio) self.imageLabel.setPixmap(QPixmap.fromImage(image)) def helpAbout(self): QMessageBox.about( self, "About Image Changer", """<b>Image Changer</b> v {0} <p>Copyright © 2008-14 Qtrac Ltd. All rights reserved. <p>This application can be used to perform simple image manipulations. <p>Python {1} - Qt {2} - PyQt {3} on {4}""".format( __version__, platform.python_version(), QT_VERSION_STR, PYQT_VERSION_STR, platform.system())) def helpHelp(self): form = helpform.HelpForm("index.html", self) form.show()
class Window(QMainWindow): def __init__(self, parent=None): super(Window, self).__init__(parent) self.image = QImage() self.dirty = False self.filename = None self.mirroredvertically = False self.mirroredhorizontally = False self.printer = None self.create_widgets() self.create_actions() self.load_settings() self.setWindowTitle("Image Changer") self.updateFileMenu() QTimer.singleShot(0, self.loadInitialFile) def create_widgets(self): self.imageLabel = QLabel() self.imageLabel.setMinimumSize(200, 200) self.imageLabel.setAlignment(Qt.AlignCenter) self.imageLabel.setContextMenuPolicy(Qt.ActionsContextMenu) self.setCentralWidget(self.imageLabel) logDockWidget = QDockWidget("Log", self) logDockWidget.setObjectName("LogDockWidget") logDockWidget.setAllowedAreas(Qt.LeftDockWidgetArea| Qt.RightDockWidgetArea) self.listWidget = QListWidget() logDockWidget.setWidget(self.listWidget) self.addDockWidget(Qt.RightDockWidgetArea, logDockWidget) self.sizeLabel = QLabel() self.sizeLabel.setFrameStyle(QFrame.StyledPanel|QFrame.Sunken) status = self.statusBar() status.setSizeGripEnabled(False) status.addPermanentWidget(self.sizeLabel) status.showMessage("Ready", 5000) def create_actions(self): fileNewAction = self.createAction("&New...", self.fileNew, QKeySequence.New, "filenew", "Create an image file") fileOpenAction = self.createAction("&Open...", self.fileOpen, QKeySequence.Open, "fileopen", "Open an existing image file") fileSaveAction = self.createAction("&Save", self.fileSave, QKeySequence.Save, "filesave", "Save the image") fileSaveAsAction = self.createAction("Save &As...", self.fileSaveAs, icon="filesaveas", tip="Save the image using a new name") filePrintAction = self.createAction("&Print", self.filePrint, QKeySequence.Print, "fileprint", "Print the image") fileQuitAction = self.createAction("&Quit", self.close, "Ctrl+Q", "filequit", "Close the application") editInvertAction = self.createAction("&Invert", None, "Ctrl+I", "editinvert", "Invert the image's colors", True) editInvertAction.toggled.connect(self.editInvert) editSwapRedAndBlueAction = self.createAction("Sw&ap Red and Blue", None, "Ctrl+A", "editswap", "Swap the image's red and blue color components", True) editSwapRedAndBlueAction.toggled.connect(self.editSwapRedAndBlue) editZoomAction = self.createAction("&Zoom...", self.editZoom, "Alt+Z", "editzoom", "Zoom the image") editResizeAction = self.createAction("&Resize...", self.editResize, "Ctrl+R", "editresize", "Resize the image") mirrorGroup = QActionGroup(self) editUnMirrorAction = self.createAction("&Unmirror", None, "Ctrl+U", "editunmirror", "Unmirror the image", True) editUnMirrorAction.toggled.connect(self.editUnMirror) mirrorGroup.addAction(editUnMirrorAction) editMirrorHorizontalAction = self.createAction( "Mirror &Horizontally", None, "Ctrl+H", "editmirrorhoriz", "Horizontally mirror the image", True) editMirrorHorizontalAction.toggled.connect( self.editMirrorHorizontal) mirrorGroup.addAction(editMirrorHorizontalAction) editMirrorVerticalAction = self.createAction( "Mirror &Vertically", None, "Ctrl+V", "editmirrorvert", "Vertically mirror the image", True) editMirrorVerticalAction.toggled.connect(self.editMirrorVertical) mirrorGroup.addAction(editMirrorVerticalAction) editUnMirrorAction.setChecked(True) helpAboutAction = self.createAction("&About Image Changer", self.helpAbout) helpHelpAction = self.createAction("&Help", self.helpHelp, QKeySequence.HelpContents) self.fileMenu = self.menuBar().addMenu("&File") self.fileMenuActions = (fileNewAction, fileOpenAction, fileSaveAction, fileSaveAsAction, None, filePrintAction, fileQuitAction) self.fileMenu.aboutToShow.connect(self.updateFileMenu) editMenu = self.menuBar().addMenu("&Edit") self.addActions(editMenu, (editInvertAction, editSwapRedAndBlueAction, editZoomAction, editResizeAction)) mirrorMenu = editMenu.addMenu(QIcon(":/editmirror.png"), "&Mirror") self.addActions(mirrorMenu, (editUnMirrorAction, editMirrorHorizontalAction, editMirrorVerticalAction)) helpMenu = self.menuBar().addMenu("&Help") self.addActions(helpMenu, (helpAboutAction, helpHelpAction)) fileToolbar = self.addToolBar("File") fileToolbar.setObjectName("FileToolBar") self.addActions(fileToolbar, (fileNewAction, fileOpenAction, fileSaveAsAction)) editToolbar = self.addToolBar("Edit") editToolbar.setObjectName("EditToolBar") self.addActions(editToolbar, (editInvertAction, editSwapRedAndBlueAction, editUnMirrorAction, editMirrorVerticalAction, editMirrorHorizontalAction)) self.zoomSpinBox = QSpinBox() self.zoomSpinBox.setRange(1, 400) self.zoomSpinBox.setSuffix(" %") self.zoomSpinBox.setValue(100) self.zoomSpinBox.setToolTip("Zoom the image") self.zoomSpinBox.setStatusTip(self.zoomSpinBox.toolTip()) self.zoomSpinBox.setFocusPolicy(Qt.NoFocus) self.zoomSpinBox.valueChanged.connect(self.showImage) editToolbar.addWidget(self.zoomSpinBox) self.addActions(self.imageLabel, (editInvertAction, editSwapRedAndBlueAction, editUnMirrorAction, editMirrorVerticalAction, editMirrorHorizontalAction)) self.resetableActions = ((editInvertAction, False), (editSwapRedAndBlueAction, False), (editUnMirrorAction, True)) def load_settings(self): settings = QSettings() self.recentFiles = settings.value("RecentFiles").toStringList() self.restoreGeometry( settings.value("MainWindow/Geometry").toByteArray()) self.restoreState(settings.value("MainWindow/State").toByteArray()) def createAction(self, text, slot=None, shortcut=None, icon=None, tip=None, checkable=False): action = QAction(text, self) if icon is not None: action.setIcon(QIcon(":/{0}.png".format(icon))) if shortcut is not None: action.setShortcut(shortcut) if tip is not None: action.setToolTip(tip) action.setStatusTip(tip) if slot is not None: action.triggered.connect(slot) if checkable: action.setCheckable(True) return action def addActions(self, target, actions): for action in actions: if action is None: target.addSeparator() else: target.addAction(action) def closeEvent(self, event): if self.okToContinue(): settings = QSettings() filename = (QVariant(QString(self.filename)) if self.filename is not None else QVariant()) settings.setValue("LastFile", filename) recentFiles = (QVariant(self.recentFiles) if self.recentFiles else QVariant()) settings.setValue("RecentFiles", recentFiles) settings.setValue("MainWindow/Geometry", QVariant( self.saveGeometry())) settings.setValue("MainWindow/State", QVariant( self.saveState())) else: event.ignore() def okToContinue(self): if self.dirty: reply = QMessageBox.question(self, "Image Changer - Unsaved Changes", "Save unsaved changes?", QMessageBox.Yes|QMessageBox.No|QMessageBox.Cancel) if reply == QMessageBox.Cancel: return False elif reply == QMessageBox.Yes: return self.fileSave() return True def loadInitialFile(self): settings = QSettings() fname = unicode(settings.value("LastFile").toString()) if fname and QFile.exists(fname): self.loadFile(fname) def updateStatus(self, message): self.statusBar().showMessage(message, 5000) self.listWidget.addItem(message) if self.filename is not None: self.setWindowTitle("Image Changer - {0}[*]".format( os.path.basename(self.filename))) elif not self.image.isNull(): self.setWindowTitle("Image Changer - Unnamed[*]") else: self.setWindowTitle("Image Changer[*]") self.setWindowModified(self.dirty) def updateFileMenu(self): self.fileMenu.clear() self.addActions(self.fileMenu, self.fileMenuActions[:-1]) current = (QString(self.filename) if self.filename is not None else None) recentFiles = [] for fname in self.recentFiles: if fname != current and QFile.exists(fname): recentFiles.append(fname) if recentFiles: self.fileMenu.addSeparator() for i, fname in enumerate(recentFiles): action = QAction(QIcon(":/icon.png"), "&{0} {1}".format(i + 1, QFileInfo( fname).fileName()), self) action.setData(QVariant(fname)) action.triggered.connect(self.loadFile) self.fileMenu.addAction(action) self.fileMenu.addSeparator() self.fileMenu.addAction(self.fileMenuActions[-1]) def fileNew(self): if not self.okToContinue(): return dialog = newimagedlg.NewImageDlg(self) if dialog.exec_(): self.addRecentFile(self.filename) self.image = QImage() for action, check in self.resetableActions: action.setChecked(check) self.image = dialog.image() self.filename = None self.dirty = True self.showImage() self.sizeLabel.setText("{0} x {1}".format(self.image.width(), self.image.height())) self.updateStatus("Created new image") def fileOpen(self): if not self.okToContinue(): return dir = (os.path.dirname(self.filename) if self.filename is not None else ".") formats = (["*.{0}".format(unicode(format).lower()) for format in QImageReader.supportedImageFormats()]) fname = unicode(QFileDialog.getOpenFileName(self, "Image Changer - Choose Image", dir, "Image files ({0})".format(" ".join(formats)))) if fname: self.loadFile(fname) def loadFile(self, fname=None): if fname is None: action = self.sender() if isinstance(action, QAction): fname = unicode(action.data().toString()) if not self.okToContinue(): return else: return if fname: self.filename = None image = QImage(fname) if image.isNull(): message = "Failed to read {0}".format(fname) else: self.addRecentFile(fname) self.image = QImage() for action, check in self.resetableActions: action.setChecked(check) self.image = image self.filename = fname self.showImage() self.dirty = False self.sizeLabel.setText("{0} x {1}".format( image.width(), image.height())) message = "Loaded {0}".format(os.path.basename(fname)) self.updateStatus(message) def addRecentFile(self, fname): if fname is None: return if not self.recentFiles.contains(fname): self.recentFiles.prepend(QString(fname)) while self.recentFiles.count() > 9: self.recentFiles.takeLast() def fileSave(self): if self.image.isNull(): return True if self.filename is None: return self.fileSaveAs() else: if self.image.save(self.filename, None): self.updateStatus("Saved as {0}".format(self.filename)) self.dirty = False return True else: self.updateStatus("Failed to save {0}".format( self.filename)) return False def fileSaveAs(self): if self.image.isNull(): return True fname = self.filename if self.filename is not None else "." formats = (["*.{0}".format(unicode(format).lower()) for format in QImageWriter.supportedImageFormats()]) fname = unicode(QFileDialog.getSaveFileName(self, "Image Changer - Save Image", fname, "Image files ({0})".format(" ".join(formats)))) if fname: if "." not in fname: fname += ".png" self.addRecentFile(fname) self.filename = fname return self.fileSave() return False def filePrint(self): if self.image.isNull(): return if self.printer is None: self.printer = QPrinter(QPrinter.HighResolution) self.printer.setPageSize(QPrinter.Letter) form = QPrintDialog(self.printer, self) if form.exec_(): painter = QPainter(self.printer) rect = painter.viewport() size = self.image.size() size.scale(rect.size(), Qt.KeepAspectRatio) painter.setViewport(rect.x(), rect.y(), size.width(), size.height()) painter.drawImage(0, 0, self.image) def editInvert(self, on): if self.image.isNull(): return self.image.invertPixels() self.showImage() self.dirty = True self.updateStatus("Inverted" if on else "Uninverted") def editSwapRedAndBlue(self, on): if self.image.isNull(): return self.image = self.image.rgbSwapped() self.showImage() self.dirty = True self.updateStatus(("Swapped Red and Blue" if on else "Unswapped Red and Blue")) def editUnMirror(self, on): if self.image.isNull(): return if self.mirroredhorizontally: self.editMirrorHorizontal(False) if self.mirroredvertically: self.editMirrorVertical(False) def editMirrorHorizontal(self, on): if self.image.isNull(): return self.image = self.image.mirrored(True, False) self.showImage() self.mirroredhorizontally = not self.mirroredhorizontally self.dirty = True self.updateStatus(("Mirrored Horizontally" if on else "Unmirrored Horizontally")) def editMirrorVertical(self, on): if self.image.isNull(): return self.image = self.image.mirrored(False, True) self.showImage() self.mirroredvertically = not self.mirroredvertically self.dirty = True self.updateStatus(("Mirrored Vertically" if on else "Unmirrored Vertically")) def editZoom(self): if self.image.isNull(): return percent, ok = QInputDialog.getInteger(self, "Image Changer - Zoom", "Percent:", self.zoomSpinBox.value(), 1, 400) if ok: self.zoomSpinBox.setValue(percent) def editResize(self): if self.image.isNull(): return form = resizedlg.ResizeDlg(self.image.width(), self.image.height(), self) if form.exec_(): width, height = form.result() if (width == self.image.width() and height == self.image.height()): self.statusBar().showMessage("Resized to the same size", 5000) else: self.image = self.image.scaled(width, height) self.showImage() self.dirty = True size = "{0} x {1}".format(self.image.width(), self.image.height()) self.sizeLabel.setText(size) self.updateStatus("Resized to {0}".format(size)) def showImage(self, percent=None): if self.image.isNull(): return if percent is None: percent = self.zoomSpinBox.value() factor = percent / 100.0 width = self.image.width() * factor height = self.image.height() * factor image = self.image.scaled(width, height, Qt.KeepAspectRatio) self.imageLabel.setPixmap(QPixmap.fromImage(image)) def helpAbout(self): QMessageBox.about(self, "About Image Changer", """<b>Image Changer</b> v {0} <p>Copyright © 2008 Qtrac Ltd. All rights reserved. <p>This application can be used to perform simple image manipulations. <p>Python {1} - Qt {2} - PyQt {3} on {4}""".format( __version__, platform.python_version(), QT_VERSION_STR, PYQT_VERSION_STR, platform.system())) def helpHelp(self): form = helpform.HelpForm("index.html", self) form.show()
class Window(QMainWindow): def __init__(self, parent=None): super(Window, self).__init__(parent) self.image = QImage() self.dirty = False self.filename = None self.dbFilename = None self.mirroredvertically = False self.mirroredhorizontally = False self.printer = None self.exampleForm= None self.matlPopup= None self.matlPropsHere= None self.create_widgets() self.create_actions() self.load_settings() self.setWindowTitle("Thermapythia") self.updateFileMenu() self.openStackupDB() QTimer.singleShot(0, self.loadInitialFile) def create_widgets(self): self.imageLabel = QLabel() self.imageLabel.setMinimumSize(200, 200) self.imageLabel.setAlignment(Qt.AlignCenter) self.imageLabel.setContextMenuPolicy(Qt.ActionsContextMenu) self.setCentralWidget(self.imageLabel) logDockWidget = QDockWidget("Log", self) logDockWidget.setObjectName("LogDockWidget") logDockWidget.setAllowedAreas(Qt.LeftDockWidgetArea| Qt.RightDockWidgetArea) self.listWidget = QListWidget() logDockWidget.setWidget(self.listWidget) self.addDockWidget(Qt.RightDockWidgetArea, logDockWidget) self.sizeLabel = QLabel() self.sizeLabel.setFrameStyle(QFrame.StyledPanel|QFrame.Sunken) status = self.statusBar() status.setSizeGripEnabled(False) status.addPermanentWidget(self.sizeLabel) status.showMessage("Ready", 5000) def create_actions(self): fileNewAction = self.createAction("&New...", self.fileNew, QKeySequence.New, "filenew", "Create an image file") fileOpenAction = self.createAction("&Open...", self.fileOpen, QKeySequence.Open, "fileopen", "Open an existing image file") fileSaveAction = self.createAction("&Save", self.fileSave, QKeySequence.Save, "filesave", "Save the image") fileSaveAsAction = self.createAction("Save &As...", self.fileSaveAs, icon="filesaveas", tip="Save the image using a new name") filePrintAction = self.createAction("&Print", self.filePrint, QKeySequence.Print, "fileprint", "Print the image") fileQuitAction = self.createAction("&Quit", self.close, "Ctrl+Q", "filequit", "Close the application") # createAction(String, slot, shortcut, icon, tip, checkable matlEditAction = self.createAction("&Materials", self.matlEdit, None, "matls", "Edit materials") layerEditAction= self.createAction("&Layers", self.layerEdit, None, "layers", "Edit layers") viaEditAction= self.createAction("&Vias", self.viaEdit, None, "vias", "Edit vias") zzzEditAction= self.createAction("&Zzz", self.zzzEdit, None, "zzz", "Edit zzz") editInvertAction = self.createAction("&Invert", None, "Ctrl+I", "editinvert", "Invert the image's colors", True) editInvertAction.toggled.connect(self.editInvert) editSwapRedAndBlueAction = self.createAction("Sw&ap Red and Blue", None, "Ctrl+A", "editswap", "Swap the image's red and blue color components", True) editSwapRedAndBlueAction.toggled.connect(self.editSwapRedAndBlue) editZoomAction = self.createAction("&Zoom...", self.editZoom, "Alt+Z", "editzoom", "Zoom the image") mirrorGroup = QActionGroup(self) editUnMirrorAction = self.createAction("&Unmirror", None, "Ctrl+U", "editunmirror", "Unmirror the image", True) editUnMirrorAction.toggled.connect(self.editUnMirror) mirrorGroup.addAction(editUnMirrorAction) editMirrorHorizontalAction = self.createAction( "Mirror &Horizontally", None, "Ctrl+H", "editmirrorhoriz", "Horizontally mirror the image", True) editMirrorHorizontalAction.toggled.connect( self.editMirrorHorizontal) mirrorGroup.addAction(editMirrorHorizontalAction) editMirrorVerticalAction = self.createAction("Mirror &Vertically", None, "Ctrl+V", "editmirrorvert", "Vertically mirror the image", True) editMirrorVerticalAction.toggled.connect(self.editMirrorVertical) mirrorGroup.addAction(editMirrorVerticalAction) editUnMirrorAction.setChecked(True) helpAboutAction = self.createAction("&About Thermapythia", self.helpAbout) helpHelpAction = self.createAction("&Help", self.helpHelp, QKeySequence.HelpContents) self.fileMenu = self.menuBar().addMenu("&File") self.fileMenuActions = (fileNewAction, fileOpenAction, fileSaveAction, fileSaveAsAction, None, filePrintAction, fileQuitAction) self.fileMenu.aboutToShow.connect(self.updateFileMenu) stackupMenu = self.menuBar().addMenu("&Stackup") self.addActions(stackupMenu, (matlEditAction, layerEditAction, viaEditAction)) editMenu = self.menuBar().addMenu("&Edit") self.addActions(editMenu, (editInvertAction, editSwapRedAndBlueAction, editZoomAction)) mirrorMenu = editMenu.addMenu(QIcon(":/editmirror.png"), "&Mirror") self.addActions(mirrorMenu, (editUnMirrorAction, editMirrorHorizontalAction, editMirrorVerticalAction)) helpMenu = self.menuBar().addMenu("&Help") self.addActions(helpMenu, (helpAboutAction, helpHelpAction)) fileToolbar = self.addToolBar("File") fileToolbar.setObjectName("FileToolBar") self.addActions(fileToolbar, (fileNewAction, fileOpenAction, fileSaveAsAction)) stackupToolbar = self.addToolBar("Stackup") stackupToolbar.setObjectName("StackupToolBar") self.addActions(stackupToolbar, (matlEditAction, layerEditAction, viaEditAction)) editToolbar = self.addToolBar("Edit") editToolbar.setObjectName("EditToolBar") self.addActions(editToolbar, (editInvertAction, editSwapRedAndBlueAction, editUnMirrorAction, editMirrorVerticalAction, editMirrorHorizontalAction)) self.zoomSpinBox = QSpinBox() self.zoomSpinBox.setRange(1, 400) self.zoomSpinBox.setSuffix(" %") self.zoomSpinBox.setValue(100) self.zoomSpinBox.setToolTip("Zoom the image") self.zoomSpinBox.setStatusTip(self.zoomSpinBox.toolTip()) self.zoomSpinBox.setFocusPolicy(Qt.NoFocus) self.zoomSpinBox.valueChanged.connect(self.showImage) editToolbar.addWidget(self.zoomSpinBox) self.addActions(self.imageLabel, (editInvertAction, editSwapRedAndBlueAction, editUnMirrorAction, editMirrorVerticalAction, editMirrorHorizontalAction)) self.resetableActions = ((editInvertAction, False), (editSwapRedAndBlueAction, False), (editUnMirrorAction, True)) def load_settings(self): settings = QSettings() self.recentFiles = settings.value("RecentFiles").toStringList() self.restoreGeometry( settings.value("MainWindow/Geometry").toByteArray()) self.restoreState(settings.value("MainWindow/State").toByteArray()) def createAction(self, text, slot=None, shortcut=None, icon=None, tip=None, checkable=False): action = QAction(text, self) if icon is not None: action.setIcon(QIcon(":/{0}.png".format(icon))) if shortcut is not None: action.setShortcut(shortcut) if tip is not None: action.setToolTip(tip) action.setStatusTip(tip) if slot is not None: action.triggered.connect(slot) if checkable: action.setCheckable(True) return action def addActions(self, target, actions): for action in actions: if action is None: target.addSeparator() else: target.addAction(action) def closeEvent(self, event): if self.okToContinue(): settings = QSettings() filename = (QVariant(QString(self.filename)) if self.filename is not None else QVariant()) settings.setValue("LastFile", filename) recentFiles = (QVariant(self.recentFiles) if self.recentFiles else QVariant()) settings.setValue("RecentFiles", recentFiles) settings.setValue("MainWindow/Geometry", QVariant( self.saveGeometry())) settings.setValue("MainWindow/State", QVariant( self.saveState())) else: event.ignore() def okToContinue(self): if self.dirty: reply = QMessageBox.question(self, "Thermapythia - Unsaved Changes", "Save unsaved changes?", QMessageBox.Yes|QMessageBox.No|QMessageBox.Cancel) if reply == QMessageBox.Cancel: return False elif reply == QMessageBox.Yes: return self.fileSave() return True def loadInitialFile(self): settings = QSettings() fname = unicode(settings.value("LastFile").toString()) if fname and QFile.exists(fname): self.loadFile(fname) def updateStatus(self, message): self.statusBar().showMessage(message, 5000) self.listWidget.addItem(message) if self.filename is not None: self.setWindowTitle("Thermapythia - {0}[*]".format( os.path.basename(self.filename))) elif not self.image.isNull(): self.setWindowTitle("Thermapythia - Unnamed[*]") else: self.setWindowTitle("Thermapythia[*]") self.setWindowModified(self.dirty) def updateFileMenu(self): self.fileMenu.clear() self.addActions(self.fileMenu, self.fileMenuActions[:-1]) current = (QString(self.filename) if self.filename is not None else None) recentFiles = [] for fname in self.recentFiles: if fname != current and QFile.exists(fname): recentFiles.append(fname) if recentFiles: self.fileMenu.addSeparator() for i, fname in enumerate(recentFiles): action = QAction(QIcon(":/icon.png"), "&{0} {1}".format(i + 1, QFileInfo( fname).fileName()), self) action.setData(QVariant(fname)) action.triggered.connect(self.loadFile) self.fileMenu.addAction(action) self.fileMenu.addSeparator() self.fileMenu.addAction(self.fileMenuActions[-1]) def fileNew(self): if not self.okToContinue(): return dialog = newimagedlg.NewImageDlg(self) if dialog.exec_(): self.addRecentFile(self.filename) self.image = QImage() for action, check in self.resetableActions: action.setChecked(check) self.image = dialog.image() self.filename = None self.dirty = True self.showImage() self.sizeLabel.setText("{0} x {1}".format(self.image.width(), self.image.height())) self.updateStatus("Created new image") def fileOpen(self): if not self.okToContinue(): return dir = (os.path.dirname(self.filename) if self.filename is not None else ".") formats = (["*.{0}".format(unicode(format).lower()) for format in QImageReader.supportedImageFormats()]) fname = unicode(QFileDialog.getOpenFileName(self, "Thermapythia - Choose Image", dir, "Image files ({0})".format(" ".join(formats)))) if fname: self.loadFile(fname) def loadFile(self, fname=None): if fname is None: action = self.sender() if isinstance(action, QAction): fname = unicode(action.data().toString()) if not self.okToContinue(): return else: return if fname: self.filename = None image = QImage(fname) if image.isNull(): message = "Failed to read {0}".format(fname) else: self.addRecentFile(fname) self.image = QImage() for action, check in self.resetableActions: action.setChecked(check) self.image = image self.filename = fname self.showImage() self.dirty = False self.sizeLabel.setText("{0} x {1}".format( image.width(), image.height())) message = "Loaded {0}".format(os.path.basename(fname)) self.updateStatus(message) def addRecentFile(self, fname): if fname is None: return if not self.recentFiles.contains(fname): self.recentFiles.prepend(QString(fname)) while self.recentFiles.count() > 9: self.recentFiles.takeLast() def fileSave(self): if self.image.isNull(): return True if self.filename is None: return self.fileSaveAs() else: if self.image.save(self.filename, None): self.updateStatus("Saved as {0}".format(self.filename)) self.dirty = False return True else: self.updateStatus("Failed to save {0}".format( self.filename)) return False def fileSaveAs(self): if self.image.isNull(): return True fname = self.filename if self.filename is not None else "." formats = (["*.{0}".format(unicode(format).lower()) for format in QImageWriter.supportedImageFormats()]) fname = unicode(QFileDialog.getSaveFileName(self, "Thermapythia - Save Image", fname, "Image files ({0})".format(" ".join(formats)))) if fname: if "." not in fname: fname += ".png" self.addRecentFile(fname) self.filename = fname return self.fileSave() return False def filePrint(self): if self.image.isNull(): return if self.printer is None: self.printer = QPrinter(QPrinter.HighResolution) self.printer.setPageSize(QPrinter.Letter) form = QPrintDialog(self.printer, self) if form.exec_(): painter = QPainter(self.printer) rect = painter.viewport() size = self.image.size() size.scale(rect.size(), Qt.KeepAspectRatio) painter.setViewport(rect.x(), rect.y(), size.width(), size.height()) painter.drawImage(0, 0, self.image) # def openStackupDB(self): if self.dbFilename != None: return self.dbFilename = os.path.join(os.path.dirname(__file__), "stackup.db") create = not QFile.exists(self.dbFilename) db = QSqlDatabase.addDatabase("QSQLITE") db.setDatabaseName(self.dbFilename) if not db.open(): QMessageBox.warning(None, "Can't open stackup database", QString("Database Error: %1").arg(db.lastError().text())) sys.exit(1) if create == False: self.updateStatus("Found stackup database file: " + str(self.dbFilename)) self.createDatabaseTables() with open('test2.js', "r") as jsonHandle: jsonContents= jsonHandle.read() config= yaml.load(jsonContents) matlCount= self.countDatabaseTableRows("matl") if matlCount == 0: self.updateStatus("material editor call goes here.") # # TODO: Put the guess-what-I'm thinking Qt table editor thing here. # # self.loadDefaultMatls() matls = Matls.Matls(config['matl_config']) self.loadDefaultData('matl', matls) viaCount= self.countDatabaseTableRows("via") if viaCount == 0: vias = Vias.Vias(config['via_config']) self.loadDefaultData('via', vias) layerCount= self.countDatabaseTableRows("layer") if layerCount == 0: layers = Layers.Layers(config['layer_config']) self.loadDefaultData('layer', layers) # initialize zzz new content here, perhaps def createDatabaseTables(self): query = QSqlQuery() self.updateStatus("Creating database tables") # "id" INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE NOT NULL, statusMatl = query.exec_("""CREATE TABLE IF NOT EXISTS "matl" ( "name" TEXT, "type" TEXT, "density" real, "color" TEXT, "specific_heat" real, "conductivity" real, "conductivityXX" real, "conductivityYY" real, "conductivityZZ" real, "reflection_coeff" real, "emissivity" real, "max_height" real, "thickness" real );""") if statusMatl == False: self.updateStatus("Could not create material property database table 'matl'") self.updateStatus("Database error message: " + query.lastError().text()) statusPhylayer = query.exec_("""CREATE TABLE IF NOT EXISTS "layer" ( "id" INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE NOT NULL, "name" TEXT, "matl" TEXT, "type" TEXT, "thickness" real, "displaces" TEXT, "coverage" real, "z_bottom" real, "z_top" real, "adheres_to" TEXT);""") if statusPhylayer == False: self.updateStatus("Could not create material property database table 'layer'") self.updateStatus("Database error message: " + query.lastError().text()) statusVia = query.exec_("""CREATE TABLE IF NOT EXISTS "via" ( "id" INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE NOT NULL, "name" TEXT, "matl" TEXT, "to" TEXT, "from" TEXT);""") if statusVia == False: self.updateStatus("Could not create material property database table 'via'") self.updateStatus("Database error message: " + query.lastError().text()) def countDatabaseTableRows(self, tablename): query = QSqlQuery() self.updateStatus("Loading database tables") query.prepare("select count(*) from " + tablename + ";") status = query.exec_() if status == False: self.updateStatus("Could not count entries in table '" + tablename + "'") self.updateStatus("Database error message: " + query.lastError().text()) query.first() count, ok = query.value(0).toInt() # self.updateStatus("There are " + str(count) + " rows in the " + tablename + " table") return count def loadDefaultData(self, table, data): query = QSqlQuery() insertList= "', '".join(data.tableCols) insertList= "'" + insertList + "'" colCount= len(data.tableCols) quest= "" for i in range(0, colCount): quest = quest + "?," quest= quest[:-1] sql= "INSERT INTO " + table + "(" + insertList + ") VALUES (" + quest + ");" # self.updateStatus(sql) status= query.prepare(sql) if status == False: self.updateStatus("Could not prepare material property database table " + table) self.updateStatus("Database error message: " + query.lastError().text()) for row in data.propDict: for prop in data.tableCols: propval= data.propDict[row][prop] if data.tableColSQLTypes[prop] == 'TEXT': query.addBindValue(QVariant(QString(propval))) # self.updateStatus("Setting TEXT property " + prop + " to value " + str(propval) + " in row " + str(row)) elif data.tableColSQLTypes[prop] == 'real': if (propval == '-'): propreal= -999.9 else: propreal= float(propval) query.addBindValue(QVariant(propreal)) # self.updateStatus("Setting real property " + prop + " to value " + str(propreal) + " in row " + str(row)) status= query.exec_() if status == False: self.updateStatus("Could not load property database table " + table + " with " + str(row)) self.updateStatus("Database error message: " + query.lastError().text()) def matlEdit(self): self.dirty= True self.updateStatus("Call edit material code here") # This ends up in a little child window self.matlPopup= QLabel("<font color=green size=72><b> Material Editor </b></font>") # self.matlPopup.setWindowFlags(Qt.SplashScreen) self.matlPopup.setWindowTitle("Material edit popup") self.matlPropsHere= QLabel("<font color=red size=24><b> Data goes here </b></font>") # self.matlPopup.setWindowFlags(Qt.SplashScreen) if 1 == 0: dataLayout= QVBoxLayout() dataLayout.addWidget(self.matlPopup) dataLayout.addWidget(self.matlPropsHere) self.setLayout(dataLayout) self.matlPopup.show() self.matlPropsHere.show() # self.exampleForm= MatlForm() # First need a layout manager, and add the widget to that. # Then attach the layout manager to a window. # addWidget(self.exampleForm) # self.exampleForm.show() QTimer.singleShot(5000, self.update) self.updateStatus("Created stackup db") def layerEdit(self): self.dirty= True self.updateStatus("Call edit layer code here") # This way of doing it is modal - window doesn't go away and covers up other windows until it is dismissed. form= MatlForm() form.exec_() def viaEdit(self): self.dirty= True self.updateStatus("Call edit via code here") def zzzEdit(self): self.dirty= True self.updateStatus("Call code to be triggered by zzz button here") def editInvert(self, on): if self.image.isNull(): return self.image.invertPixels() self.showImage() self.dirty = True self.updateStatus("Inverted" if on else "Uninverted") def editSwapRedAndBlue(self, on): if self.image.isNull(): return self.image = self.image.rgbSwapped() self.showImage() self.dirty = True self.updateStatus(("Swapped Red and Blue" if on else "Unswapped Red and Blue")) def editUnMirror(self, on): if self.image.isNull(): return if self.mirroredhorizontally: self.editMirrorHorizontal(False) if self.mirroredvertically: self.editMirrorVertical(False) def editMirrorHorizontal(self, on): if self.image.isNull(): return self.image = self.image.mirrored(True, False) self.showImage() self.mirroredhorizontally = not self.mirroredhorizontally self.dirty = True self.updateStatus(("Mirrored Horizontally" if on else "Unmirrored Horizontally")) def editMirrorVertical(self, on): if self.image.isNull(): return self.image = self.image.mirrored(False, True) self.showImage() self.mirroredvertically = not self.mirroredvertically self.dirty = True self.updateStatus(("Mirrored Vertically" if on else "Unmirrored Vertically")) def editZoom(self): if self.image.isNull(): return percent, ok = QInputDialog.getInteger(self, "Thermapythia - Zoom", "Percent:", self.zoomSpinBox.value(), 1, 400) if ok: self.zoomSpinBox.setValue(percent) def showImage(self, percent=None): if self.image.isNull(): return if percent is None: percent = self.zoomSpinBox.value() factor = percent / 100.0 width = self.image.width() * factor height = self.image.height() * factor image = self.image.scaled(width, height, Qt.KeepAspectRatio) self.imageLabel.setPixmap(QPixmap.fromImage(image)) def helpAbout(self): QMessageBox.about(self, "About Thermapythia", """<b>Thermapythia</b> v {0} <p>Thermal Analyzer in Python predicts circuit board temperature <p>Python {1} - Qt {2} - PyQt {3} on {4}""".format( __version__, platform.python_version(), QT_VERSION_STR, PYQT_VERSION_STR, platform.system())) def helpHelp(self): form = HelpForm.HelpForm("index.html", self) form.show()