Config now supports floats in copy/print image sizes

prasopes/config.py

@@ -45,12 +45,13 @@ def pathlineconf(label, value, config):
     return layout
 
 
-def posintvarconf(label, value, config):
+def posvarconf(label, value, config, num="int"):
     """adds generic positive integer config line"""
     textfield = QtWidgets.QLineEdit(str(config.value(value)))
     textfield.editingFinished.connect(lambda: config.setValue(
         value, textfield.text()))
-    validator = QtGui.QIntValidator()
+    validator = QtGui.QIntValidator() if num == "int"\
+            else QtGui.QDoubleValidator()
     validator.setBottom(0)
     textfield.setValidator(validator)
     layout = QtWidgets.QHBoxLayout()
@@ -80,25 +81,25 @@ def dial(parent):
 
     printtab = QtWidgets.QWidget()
     printlayout = QtWidgets.QVBoxLayout(printtab)
-    printlayout.addLayout(posintvarconf(
-        "Figure width (inch)", "print/xinch", config))
-    printlayout.addLayout(posintvarconf(
-        "Figure height (inch)", "print/yinch", config))
-    printlayout.addLayout(posintvarconf(
+    printlayout.addLayout(posvarconf(
+        "Figure width (inch)", "print/xinch", config, "nonint"))
+    printlayout.addLayout(posvarconf(
+        "Figure height (inch)", "print/yinch", config, "nonint"))
+    printlayout.addLayout(posvarconf(
         "Figure dpi", "print/dpi", config))
-    printlayout.addLayout(posintvarconf(
+    printlayout.addLayout(posvarconf(
         "Figure x axis major ticks count", "print/xtics", config))
     tabs.addTab(printtab, "Printing")
 
     imggentab = QtWidgets.QWidget()
     imggenlayout = QtWidgets.QVBoxLayout(imggentab)
-    imggenlayout.addLayout(posintvarconf(
-        "Figure width (inch)", "imggen/xinch", config))
-    imggenlayout.addLayout(posintvarconf(
-        "Figure height (inch)", "imggen/yinch", config))
-    imggenlayout.addLayout(posintvarconf(
+    imggenlayout.addLayout(posvarconf(
+        "Figure width (inch)", "imggen/xinch", config, "nonint"))
+    imggenlayout.addLayout(posvarconf(
+        "Figure height (inch)", "imggen/yinch", config, "nonint"))
+    imggenlayout.addLayout(posvarconf(
         "Figure dpi", "imggen/dpi", config))
-    imggenlayout.addLayout(posintvarconf(
+    imggenlayout.addLayout(posvarconf(
         "Figure x axis major ticks count", "imggen/xtics", config))
     tabs.addTab(imggentab, "Image clip/export")
 

prasopes/imagetools.py

@@ -13,12 +13,12 @@ import prasopes.config as cf
 
 def paint_image(mass_spec, spect, fn=None, painttarget=None):
     """generates QImage from mass spectrum"""
-    if isinstance(painttarget, type(QtPrintSupport.QPrinter())):
-        xinch, yinch, dpi, xtics = [cf.settings().value("print/{}".format(i),
-            type=int) for i in ("xinch", "yinch", "dpi", "xtics")]
-    else:
-        xinch, yinch, dpi, xtics = [cf.settings().value("imggen/{}".format(i),
-            type=int) for i in ("xinch", "yinch", "dpi", "xtics")]
+    configtype = "print/{}" if isinstance(
+            painttarget, type(QtPrintSupport.QPrinter())) else "imggen/{}"
+    xinch, yinch = [float(cf.settings().value(configtype.format(i)).replace(",",".")) for i
+            in ("xinch", "yinch")]
+    dpi, xtics = [int(cf.settings().value(configtype.format(i))) for i
+            in ("dpi", "xtics")]
     paintfig = Figure(figsize=(xinch, yinch), dpi=dpi, constrained_layout=True)
     canvas = FigureCanvas(paintfig)
     printplot = paintfig.add_subplot(111)