def __init__(self,parent=None):
QtGui.QWidget.__init__(self,parent)
self.ui=Ui_Form()
self.ui.setupUi(self)
self.pdfd = None
class PDFWidget(QtGui.QWidget):
def __init__(self,parent=None):
QtGui.QWidget.__init__(self,parent)
self.ui=Ui_Form()
self.ui.setupUi(self)
self.pdfd = None
def loadDocument(self,data):
self.document = QtPoppler.Poppler.Document.loadFromData(data)
self.emit(QtCore.SIGNAL('pageCount'),self.document.numPages())
self.document.setRenderHint(QtPoppler.Poppler.Document.Antialiasing and QtPoppler.Poppler.Document.TextAntialiasing)
# When rerendering, keep state as much as possible in
# the viewer
if self.pdfd:
res = self.pdfd.res
xpos = self.ui.scroll.horizontalScrollBar().value()
ypos = self.ui.scroll.verticalScrollBar().value()
currentPage = self.pdfd.currentPage
else:
res=72.
xpos=0
ypos=0
currentPage = 0
self.pdfd=PDFDisplay(self.document)
self.connect(self.pdfd,QtCore.SIGNAL('pageChanged'),
self,QtCore.SIGNAL('pageChanged'))
self.pdfd.currentPage = currentPage
self.checkActions()
self.pdfd.res = res
self.ui.scroll.setWidget(self.pdfd)
self.ui.scroll.horizontalScrollBar().setValue(xpos)
self.ui.scroll.verticalScrollBar().setValue(ypos)
def checkActions(self):
if not self.pdfd or \
self.pdfd.currentPage == self.document.numPages():
self.ui.next.setEnabled(False)
else:
self.ui.next.setEnabled(True)
if not self.pdfd or \
self.pdfd.currentPage == 1:
self.ui.previous.setEnabled(False)
else:
self.ui.previous.setEnabled(True)
def gotoPosition(self, page, top, left, bottom):
"""The position is defined in terms of poppler's linkdestinations,
top is in the range 0-1, page is one-based."""
if not self.pdfd:
return
self.gotoPage(page)
# Draw a mark to see if we are calculating correctly
pixmap=QtGui.QPixmap(self.pdfd.pdfImage)
p=QtGui.QPainter(pixmap)
c=QtGui.QColor(QtCore.Qt.yellow).lighter(160)
c.setAlpha(150)
p.setBrush(c)
p.setPen(c)
# FIXME, move the highlighting outside
y1=self.pdfd.pdfImage.height()*top
y2=self.pdfd.pdfImage.height()*(bottom-top)
w=self.pdfd.pdfImage.width()
p.drawRect(0,y1,w,y2)
self.pdfd.setPixmap(pixmap)
p.end()
def gotoPage(self,n):
if self.pdfd:
self.pdfd.currentPage = n
self.checkActions()
def on_next_triggered(self, b=None):
if b is None: return
self.pdfd.nextPage()
self.checkActions()
def on_previous_triggered(self, b=None):
if b is None: return
self.pdfd.prevPage()
self.checkActions()
def on_zoomin_triggered(self, b=None):
if b is None: return
self.pdfd.zoomin()
def on_zoomout_triggered(self, b=None):
if b is None: return
self.pdfd.zoomout()