73 lines
2.8 KiB
Python
73 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
|
|
from .Exporter import Exporter
|
|
from ..parametertree import Parameter
|
|
from ..Qt import QtGui, QtCore
|
|
|
|
translate = QtCore.QCoreApplication.translate
|
|
|
|
__all__ = ['PrintExporter']
|
|
#__all__ = [] ## Printer is disabled for now--does not work very well.
|
|
|
|
class PrintExporter(Exporter):
|
|
Name = "Printer"
|
|
def __init__(self, item):
|
|
Exporter.__init__(self, item)
|
|
tr = self.getTargetRect()
|
|
self.params = Parameter(name='params', type='group', children=[
|
|
{'name': 'width', 'title': translate("Exporter", 'width'), 'type': 'float', 'value': 0.1,
|
|
'limits': (0, None), 'suffix': 'm', 'siPrefix': True},
|
|
{'name': 'height', 'title': translate("Exporter", 'height'), 'type': 'float',
|
|
'value': (0.1 * tr.height()) / tr.width(), 'limits': (0, None), 'suffix': 'm', 'siPrefix': True},
|
|
])
|
|
self.params.param('width').sigValueChanged.connect(self.widthChanged)
|
|
self.params.param('height').sigValueChanged.connect(self.heightChanged)
|
|
|
|
def widthChanged(self):
|
|
sr = self.getSourceRect()
|
|
ar = sr.height() / sr.width()
|
|
self.params.param('height').setValue(self.params['width'] * ar, blockSignal=self.heightChanged)
|
|
|
|
def heightChanged(self):
|
|
sr = self.getSourceRect()
|
|
ar = sr.width() / sr.height()
|
|
self.params.param('width').setValue(self.params['height'] * ar, blockSignal=self.widthChanged)
|
|
|
|
def parameters(self):
|
|
return self.params
|
|
|
|
def export(self, fileName=None):
|
|
printer = QtGui.QPrinter(QtGui.QPrinter.HighResolution)
|
|
dialog = QtGui.QPrintDialog(printer)
|
|
dialog.setWindowTitle(translate('Exporter', "Print Document"))
|
|
if dialog.exec_() != QtGui.QDialog.DialogCode.Accepted:
|
|
return
|
|
|
|
#dpi = QtGui.QDesktopWidget().physicalDpiX()
|
|
|
|
#self.svg.setSize(QtCore.QSize(100,100))
|
|
#self.svg.setResolution(600)
|
|
#res = printer.resolution()
|
|
sr = self.getSourceRect()
|
|
#res = sr.width() * .4 / (self.params['width'] * 100 / 2.54)
|
|
res = QtGui.QGuiApplication.primaryScreen().physicalDotsPerInchX()
|
|
printer.setResolution(res)
|
|
rect = printer.pageRect()
|
|
center = rect.center()
|
|
h = self.params['height'] * res * 100. / 2.54
|
|
w = self.params['width'] * res * 100. / 2.54
|
|
x = center.x() - w/2.
|
|
y = center.y() - h/2.
|
|
|
|
targetRect = QtCore.QRect(x, y, w, h)
|
|
sourceRect = self.getSourceRect()
|
|
painter = QtGui.QPainter(printer)
|
|
try:
|
|
self.setExportMode(True, {'painter': painter})
|
|
self.getScene().render(painter, QtCore.QRectF(targetRect), QtCore.QRectF(sourceRect))
|
|
finally:
|
|
self.setExportMode(False)
|
|
painter.end()
|
|
|
|
|
|
#PrintExporter.register()
|