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 mousePressEvent(self, event):
if DEBUG:
print("ResizeRect mousePress")
if self._newRect is not None:
self._newRect = None
self.__point0 = self.pos()
parent = self.parentItem()
scene = self.scene()
rect = parent.rect()
self._x = rect.x()
self._y = rect.x()
self._w = rect.width()
self._h = rect.height()
self._ratio = self._w / self._h
self._newRect = qt.QGraphicsRectItem(parent, scene)
self._newRect.setRect(qt.QRectF(self._x, self._y, self._w, self._h))
qt.QGraphicsRectItem.mousePressEvent(self, event)
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
def addPixmap(self,
pixmap,
title=None,
comment=None,
commentposition=None):
"""
add a pixmap to the print preview scene
"""
if title is None:
title = ' '
title += ' '
if comment is None:
comment = ' '
comment += ' '
if commentposition is None:
commentposition = "CENTER"
if self.badNews:
self.message.exec_()
return
rectItem = qt.QGraphicsRectItem(self.page, self.scene)
scale = float(0.5 * self.scene.width() / pixmap.width())
rectItem.setRect(qt.QRectF(1, 1, pixmap.width(), pixmap.height()))
pen = rectItem.pen()
color = qt.QColor(qt.Qt.red)
color.setAlpha(1)
pen.setColor(color)
rectItem.setPen(pen)
rectItem.setZValue(1)
rectItem.setFlag(qt.QGraphicsItem.ItemIsSelectable, True)
rectItem.setFlag(qt.QGraphicsItem.ItemIsMovable, True)
rectItem.setFlag(qt.QGraphicsItem.ItemIsFocusable, False)
#I add the resize tool
rectItemResizeRect = GraphicsResizeRectItem(rectItem, self.scene)
rectItemResizeRect.setZValue(2)
#I add a pixmap item
pixmapItem = qt.QGraphicsPixmapItem(rectItem, self.scene)
pixmapItem.setPixmap(pixmap)
#pixmapItem.moveBy(0, 0)
pixmapItem.setZValue(0)
#I add the title
textItem = qt.QGraphicsTextItem(title, rectItem, self.scene)
textItem.setTextInteractionFlags(qt.Qt.TextEditorInteraction)
offset = 0.5 * textItem.boundingRect().width()
textItem.moveBy(0.5 * pixmap.width() - offset, -20)
textItem.setZValue(2)
#I add the comment
commentItem = qt.QGraphicsTextItem(comment, rectItem, self.scene)
commentItem.setTextInteractionFlags(qt.Qt.TextEditorInteraction)
offset = 0.5 * commentItem.boundingRect().width()
if commentposition.upper() == "LEFT":
x = 1
else:
x = 0.5 * pixmap.width() - offset
commentItem.moveBy(x, pixmap.height() + 20)
commentItem.setZValue(2)
#I should adjust text size here
#textItem.scale(2,2)
#commentItem.scale(2,2)
rectItem.scale(scale, scale)
rectItem.moveBy(20, 40)
