def __init__(self, planeSection, parent=None):
qt.QWidget.__init__(self, parent)
self.currentPlaneSection = planeSection
self.scene = qt.QGraphicsScene()
self.view = CustomGraphicsView(self.scene, self)
self.sliceSlider = SliderAndLabel(self)
self.sliceSlider._setRange(0,0)
self.flagFirstCircle = True
self.connect(self.view, qt.SIGNAL("CustomGraphicsViewEvent"), self.clickedOnView)
self.connect(self.view,qt.SIGNAL("CustomGraphicsViewEvent"),self.mouseMoved)
self.connect(self.sliceSlider.slider, qt.SIGNAL("valueChanged(int)"), self._changeSlice)
self.Items = {}
self.colortable = []
self.posPolyPoints = []
for i in range(256):
self.colortable.append(qt.qRgb(i, i, i))
layout = qt.QVBoxLayout()
layout.addWidget(self.view)
layout.addWidget(self.sliceSlider)
self.setLayout(layout)
def testSimple():
import sys
import os
filename = sys.argv[1]
a = qt.QApplication(sys.argv)
w = qt.QWidget()
l = qt.QVBoxLayout(w)
button = qt.QPushButton(w)
button.setText("Print")
scene = qt.QGraphicsScene()
pixmapItem = qt.QGraphicsPixmapItem(
qt.QPixmap.fromImage(qt.QImage(filename)))
pixmapItem.setFlag(pixmapItem.ItemIsMovable, True)
printer = qt.QPrinter(qt.QPrinter.HighResolution)
printer.setFullPage(True)
printer.setOutputFileName(os.path.splitext(filename)[0] + ".ps")
page = qt.QGraphicsRectItem(0, 0, printer.width(), printer.height())
scene.setSceneRect(qt.QRectF(0, 0, printer.width(), printer.height()))
scene.addItem(page)
scene.addItem(pixmapItem)
view = qt.QGraphicsView(scene)
view.fitInView(page.rect(), qt.Qt.KeepAspectRatio)
#view.setSceneRect(
view.scale(2, 2)
#page.scale(0.05, 0.05)
def printFile():
painter = qt.QPainter(printer)
scene.render(
painter, qt.QRectF(0, 0, printer.width(), printer.height()),
qt.QRectF(page.rect().x(),
page.rect().y(),
page.rect().width(),
page.rect().height()), qt.Qt.KeepAspectRatio)
painter.end()
l.addWidget(button)
l.addWidget(view)
w.resize(300, 600)
w.show()
w.connect(button, qt.SIGNAL('clicked()'), printFile)
a.exec_()
def __init__(self, parent = None, printer = None, name = "PyMcaPrintPreview", \
modal = 0, fl = 0):
qt.QDialog.__init__(self, parent)
self.setWindowTitle(name)
self.setModal(modal)
self.resize(400, 500)
self.printDialog = None
if printer is None:
printer = qt.QPrinter(qt.QPrinter.HighResolution)
printer.setPageSize(qt.QPrinter.A4)
printerName = "%s" % printer.printerName()
if printerName in ['id24b2u']:
#id24 printer very slow in color mode
printer.setColorMode(qt.QPrinter.GrayScale)
printer.setFullPage(True)
if (printer.width() <= 0) or (printer.height() <= 0):
if QTVERSION < '4.2.0': #this is impossible (no QGraphicsView)
filename = "PyMCA_print.pdf"
else:
filename = "PyMCA_print.ps"
if sys.platform == 'win32':
home = os.getenv('USERPROFILE')
try:
l = len(home)
directory = os.path.join(home, "My Documents")
except:
home = '\\'
directory = '\\'
if os.path.isdir('%s' % directory):
directory = os.path.join(directory, "PyMca")
else:
directory = os.path.join(home, "PyMca")
if not os.path.exists('%s' % directory):
os.mkdir('%s' % directory)
finalfile = os.path.join(directory, filename)
else:
home = os.getenv('HOME')
directory = os.path.join(home, "PyMca")
if not os.path.exists('%s' % directory):
os.mkdir('%s' % directory)
finalfile = os.path.join(directory, filename)
printer.setOutputFileName(finalfile)
printer.setColorMode(qt.QPrinter.Color)
if (printer.width() <= 0) or (printer.height() <= 0):
self.message = qt.QMessageBox(self)
self.message.setIcon(qt.QMessageBox.Critical)
self.message.setText(
"Unknown library error \non printer initialization")
self.message.setWindowTitle("Library Error")
self.message.setModal(0)
self.badNews = True
self.printer = None
return
else:
self.badNews = False
self.printer = printer
self.mainLayout = qt.QVBoxLayout(self)
self.mainLayout.setMargin(0)
self.mainLayout.setSpacing(0)
self._buildToolbar()
self.scene = qt.QGraphicsScene()
self.scene.setBackgroundBrush(qt.QColor(qt.Qt.lightGray))
self.page = qt.QGraphicsRectItem(0, 0, printer.width(),
printer.height())
self.page.setBrush(qt.QColor(qt.Qt.white))
self.scene.setSceneRect(
qt.QRectF(0, 0, printer.width(), printer.height()))
self.scene.addItem(self.page)
self.view = qt.QGraphicsView(self.scene)
self.mainLayout.addWidget(self.view)
self._buildStatusBar()
self.view.fitInView(self.page.rect(), qt.Qt.KeepAspectRatio)
self._viewScale = 1.00
