class LoadedImage(QLabel):
def __init__(self, parent):
QLabel.__init__(self)
self.parent = parent
self.copyMenu = CopyMenu(self)
self.copySelectionMenu = CopySelectionMenu(self)
self.baseImage = QImage()
self.matrix = QMatrix()
self.zoomer = 1
self.maxsize = 1024 * 10 * 10 * 10 * 25
self.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.setAlignment(Qt.AlignCenter)
self.rubberBand = None
def setParent(self, parent):
self.parent = parent
def load(self, node):
self.matrix.reset()
self.zoomer = 1
if node.size() < self.maxsize:
self.node = node
file = self.node.open()
buff = file.read()
file.close()
if self.baseImage.loadFromData(buff):
self.emit(SIGNAL("available(bool)"), True)
else:
self.baseImage.load(":file_broken.png")
self.emit(SIGNAL("available(bool)"), False)
else:
self.baseImage.loadFromData("")
self.emit(SIGNAL("available(bool)"), False)
self.adjust()
def adjust(self):
if self.zoomer == 1:
if self.baseImage.width() < self.parent.width() - 10:
self.curWidth = self.baseImage.width()
else:
self.curWidth = self.parent.width() - 10
if self.baseImage.height() < self.parent.height() - 10:
self.curHeight = self.baseImage.height()
else:
self.curHeight = self.parent.height() - 10
self.updateTransforms()
def updateTransforms(self):
if not self.baseImage.isNull():
self.currentImage = self.baseImage.transformed(self.matrix).scaled(
QSize(self.curWidth, self.curHeight), Qt.KeepAspectRatio,
Qt.FastTransformation)
self.setPixmap(QPixmap.fromImage(self.currentImage))
else:
self.clear()
self.setText("File is too big to be processed")
self.adjustSize()
def rotateLeft(self):
self.matrix.rotate(-90)
self.updateTransforms()
def rotateRight(self):
self.matrix.rotate(90)
self.updateTransforms()
def enlarge(self):
self.zoomer *= 1.25
self.curWidth *= 1.25
self.curHeight *= 1.25
self.updateTransforms()
def shrink(self):
self.zoomer *= 0.8
self.curWidth *= 0.8
self.curHeight *= 0.8
self.updateTransforms()
def fit(self):
self.zoomer = 1
self.adjust()
def normal(self):
self.curWidth = self.baseImage.width()
self.curHeight = self.baseImage.height()
self.updateTransforms()
def mousePressEvent(self, event):
self.dragPosition = event.pos()
if not self.rubberBand:
self.rubberBand = QRubberBand(QRubberBand.Rectangle, self)
self.rubberBand.setGeometry(QRect(self.dragPosition, QSize()))
self.rubberBand.show()
def mouseMoveEvent(self, event):
self.rubberBand.setGeometry(
QRect(self.dragPosition, event.pos()).normalized())
def mouseReleaseEvent(self, event):
if not self.rubberBand.size().isEmpty():
rect = QRect(self.rubberBand.pos(), self.rubberBand.size())
rect.moveLeft(rect.left() -
(self.width() - self.pixmap().width()) / 2.0)
rect.moveTop(rect.top() -
(self.height() - self.pixmap().height()) / 2.0)
self.currentSelection = rect
self.copySelectionMenu.popup(QCursor.pos())
else:
self.copyMenu.popup(QCursor.pos())
self.rubberBand.hide()
def copySelectionToClipboard(self):
QApplication.clipboard().setPixmap(self.pixmap().copy(
self.currentSelection))
def copyPixmapToClipboard(self):
QApplication.clipboard().setPixmap(self.pixmap())
class LoadedImage(QLabel):
def __init__(self, parent):
QLabel.__init__(self)
self.parent = parent
self.baseImage = QImage()
self.matrix = QMatrix()
self.zoomer = 1
self.maxsize = 1024*10*10*10*25
self.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored);
self.setAlignment(Qt.AlignCenter)
def setParent(self, parent):
self.parent = parent
def load(self, node):
self.matrix.reset()
self.zoomer = 1
if node.size() < self.maxsize:
self.node = node
file = self.node.open()
buff = file.read()
file.close()
if self.baseImage.loadFromData(buff):
self.emit(SIGNAL("available(bool)"), True)
else:
self.baseImage.load(":file_broken.png")
self.emit(SIGNAL("available(bool)"), False)
else:
self.baseImage.loadFromData("")
self.emit(SIGNAL("available(bool)"), False)
self.adjust()
def adjust(self):
if self.zoomer == 1:
if self.baseImage.width() < self.parent.width() - 10:
self.curWidth = self.baseImage.width()
else:
self.curWidth = self.parent.width() - 10
if self.baseImage.height() < self.parent.height() - 10:
self.curHeight = self.baseImage.height()
else:
self.curHeight = self.parent.height() - 10
self.updateTransforms()
def updateTransforms(self):
if not self.baseImage.isNull():
self.currentImage = self.baseImage.transformed(self.matrix).scaled(QSize(self.curWidth, self.curHeight), Qt.KeepAspectRatio, Qt.FastTransformation)
self.setPixmap(QPixmap.fromImage(self.currentImage))
else:
self.clear()
self.setText("File is too big to be processed")
self.adjustSize()
def rotateLeft(self):
self.matrix.rotate(-90)
self.updateTransforms()
def rotateRight(self):
self.matrix.rotate(90)
self.updateTransforms()
def enlarge(self):
self.zoomer *= 1.25
self.curWidth *= 1.25
self.curHeight *= 1.25
self.updateTransforms()
def shrink(self):
self.zoomer *= 0.8
self.curWidth *= 0.8
self.curHeight *= 0.8
self.updateTransforms()
def fit(self):
self.zoomer = 1
self.adjust()
def normal(self):
self.curWidth = self.baseImage.width()
self.curHeight = self.baseImage.height()
self.updateTransforms()
class LoadedImage(QLabel):
def __init__(self, parent):
QLabel.__init__(self)
self.parent = parent
self.baseImage = QImage()
self.matrix = QMatrix()
self.zoomer = 1
self.maxsize = 1024 * 10 * 10 * 10 * 25
self.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.setAlignment(Qt.AlignCenter)
def setParent(self, parent):
self.parent = parent
def load(self, node):
self.matrix.reset()
self.zoomer = 1
if node.size() < self.maxsize:
self.node = node
file = self.node.open()
buff = file.read()
file.close()
if self.baseImage.loadFromData(buff):
self.emit(SIGNAL("available(bool)"), True)
else:
self.baseImage.load(":file_broken.png")
self.emit(SIGNAL("available(bool)"), False)
else:
self.baseImage.loadFromData("")
self.emit(SIGNAL("available(bool)"), False)
self.adjust()
def adjust(self):
if self.zoomer == 1:
if self.baseImage.width() < self.parent.width() - 10:
self.curWidth = self.baseImage.width()
else:
self.curWidth = self.parent.width() - 10
if self.baseImage.height() < self.parent.height() - 10:
self.curHeight = self.baseImage.height()
else:
self.curHeight = self.parent.height() - 10
self.updateTransforms()
def updateTransforms(self):
if not self.baseImage.isNull():
self.currentImage = self.baseImage.transformed(self.matrix).scaled(
QSize(self.curWidth, self.curHeight), Qt.KeepAspectRatio,
Qt.FastTransformation)
self.setPixmap(QPixmap.fromImage(self.currentImage))
else:
self.clear()
self.setText("File is too big to be processed")
self.adjustSize()
def rotateLeft(self):
self.matrix.rotate(-90)
self.updateTransforms()
def rotateRight(self):
self.matrix.rotate(90)
self.updateTransforms()
def enlarge(self):
self.zoomer *= 1.25
self.curWidth *= 1.25
self.curHeight *= 1.25
self.updateTransforms()
def shrink(self):
self.zoomer *= 0.8
self.curWidth *= 0.8
self.curHeight *= 0.8
self.updateTransforms()
def fit(self):
self.zoomer = 1
self.adjust()
def normal(self):
self.curWidth = self.baseImage.width()
self.curHeight = self.baseImage.height()
self.updateTransforms()
