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()
def createWidget(self, parent):
w = QSpinBox(parent, buttonSymbols=QSpinBox.NoButtons)
w.setFocusPolicy(Qt.ClickFocus)
w.valueChanged[int].connect(self.slotValueChanged)
return w
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()
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()
def createWidget(self, parent):
w = QSpinBox(parent, buttonSymbols=QSpinBox.NoButtons)
w.setFocusPolicy(Qt.ClickFocus)
w.valueChanged[int].connect(self.slotValueChanged)
return w