def __init__(self, parent, mapCanvas):
QDialog.__init__(self)
# Set up the user interface from Designer.
self.ui = Ui_MapSizer()
self.ui.setupUi(self)
self.parent = parent
self.mapCanvas = mapCanvas
# on diffent OS's there seems to be different offsets to be taken into account
self.offset = 0
if platform.system() == "Linux":
self.offset=self.LINUX_OFFSET
elif platform.system() == "Windows":
self.offset=self.WINDOWS_OFFSET
self.ui.spinBoxImageWidth.setValue(self.mapCanvas.width()-self.offset)
self.ui.spinBoxImageHeight.setValue(self.mapCanvas.height()-self.offset)
extent = self.mapCanvas.extent()
self.ui.txtMinX.setText('%.6f'%(extent.xMinimum()))
self.ui.txtMinY.setText('%.6f'%(extent.yMinimum()))
self.ui.txtMaxX.setText('%.6f'%(extent.xMaximum()))
self.ui.txtMaxY.setText('%.6f'%(extent.yMaximum()))
QObject.connect(self.mapCanvas, SIGNAL("renderComplete(QPainter *)"), self.mapCanvasResize)
class MapSizerDialog(QDialog):
MSG_BOX_TITLE = "QGis"
LINUX_OFFSET = 0
WINDOWS_OFFSET = 0
def __init__(self, parent, mapCanvas):
QDialog.__init__(self)
# Set up the user interface from Designer.
self.ui = Ui_MapSizer()
self.ui.setupUi(self)
self.parent = parent
self.mapCanvas = mapCanvas
# on diffent OS's there seems to be different offsets to be taken into account
self.offset = 0
if platform.system() == "Linux":
self.offset=self.LINUX_OFFSET
elif platform.system() == "Windows":
self.offset=self.WINDOWS_OFFSET
self.ui.spinBoxImageWidth.setValue(self.mapCanvas.width()-self.offset)
self.ui.spinBoxImageHeight.setValue(self.mapCanvas.height()-self.offset)
extent = self.mapCanvas.extent()
self.ui.txtMinX.setText('%.6f'%(extent.xMinimum()))
self.ui.txtMinY.setText('%.6f'%(extent.yMinimum()))
self.ui.txtMaxX.setText('%.6f'%(extent.xMaximum()))
self.ui.txtMaxY.setText('%.6f'%(extent.yMaximum()))
QObject.connect(self.mapCanvas, SIGNAL("renderComplete(QPainter *)"), self.mapCanvasResize)
@pyqtSignature("on_btnSetImageSize_clicked()")
def on_btnSetImageSize_clicked(self):
self.setMapCanvasSize(self.ui.spinBoxImageWidth.value(), self.ui.spinBoxImageHeight.value())
@pyqtSignature("on_btnSetExtent_clicked()")
def on_btnSetExtent_clicked(self):
self.setMapCanvasExtent()
def on_buttonBox_accepted(self):
# not very generic, but we want the SimpleSvgDialog back...
self.hide()
self.parent.show()
def on_buttonBox_rejected(self):
# not very generic, but we want the SimpleSvgDialog back...
self.hide()
self.parent.show()
def setMapCanvasExtent(self):
#print 'SET EXTENT'
self.mapCanvas.setExtent(QgsRectangle(float(self.ui.txtMinX.text()), float(self.ui.txtMinY.text()), float(self.ui.txtMaxX.text()), float(self.ui.txtMaxY.text())))
self.mapCanvas.refresh()
def mapCanvasResize(self):
self.ui.spinBoxImageWidth.setValue(self.mapCanvas.width()-self.offset)
self.ui.spinBoxImageHeight.setValue(self.mapCanvas.height()-self.offset)
extent = self.mapCanvas.extent()
self.ui.txtMinX.setText('%.6f'%(extent.xMinimum()))
self.ui.txtMinY.setText('%.6f'%(extent.yMinimum()))
self.ui.txtMaxX.setText('%.6f'%(extent.xMaximum()))
self.ui.txtMaxY.setText('%.6f'%(extent.yMaximum()))
def setMapCanvasSize(self, newWidth, newHeight):
if QGis.QGIS_VERSION_INT < 10900:
# on QGIS 1.8 the parent of mapCanvas == QMainWindow
parent=self.mapCanvas.parentWidget()
else:
# on QGIS>2.0 there is another widget in between
parent=self.mapCanvas.parentWidget().parentWidget()
mapCanvas=self.mapCanvas
# some QT magic for me, coming from maximized force a minimal layout change first
if(parent.isMaximized()):
QMessageBox.warning(parent, self.MSG_BOX_TITLE, ("Maximized QGIS window..\n" "QGIS window is maximized, plugin will try to de-maximize the window.\n" "If image size is still not exact what you asked for,\ntry starting plugin with non maximized window."), QMessageBox.Ok, QMessageBox.Ok)
parent.showNormal()
newWidth=newWidth+self.offset
newHeight=newHeight+self.offset
diffWidth=mapCanvas.size().width()-newWidth
diffHeight=mapCanvas.size().height()-newHeight
mapCanvas.resize(newWidth, newHeight)
parent.resize(parent.size().width()-diffWidth, parent.size().height()-diffHeight)
# HACK: there are cases where after maximizing and here demaximizing the size of the parent is not
# in sync with the actual size, giving a small error in the size setting
# we do the resizing again, this fixes this small error then ....
if newWidth <> mapCanvas.size().width() or newHeight <> mapCanvas.size().height():
diffWidth=mapCanvas.size().width()-newWidth
diffHeight=mapCanvas.size().height()-newHeight
mapCanvas.resize(newWidth, newHeight)
parent.resize(parent.size().width()-diffWidth, parent.size().height()-diffHeight)
