def display_image(self):
self.flagFirstCircle = True
self.image = qt.QImage(self.data, self.data.shape[1], self.data.shape[0], self.data.shape[1],qt.QImage.Format_Indexed8)
self.image.setColorTable(self.colortable)
pixMap = qt.QPixmap.fromImage(self.image)
pixItem = qt.QGraphicsPixmapItem(pixMap)
pixItem.setZValue(-1)
self.scene.addItem(pixItem)
self.scene.setSceneRect(0, 0, self.image.width(), self.image.height())
self.scene.update
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 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)
