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#!/usr/bin/env python
TestFileName = "data/TestMap.png"
import wx
from wx.lib.floatcanvas import NavCanvas, FloatCanvas
#import sys
#sys.path.append("..")
#from floatcanvas import NavCanvas, FloatCanvas
class DrawFrame(wx.Frame):
"""
A frame used for the FloatCanvas Demo
"""
def __init__(self, *args, **kwargs):
wx.Frame.__init__(self, *args, **kwargs)
self.CreateStatusBar()
# Add the Canvas
NC = NavCanvas.NavCanvas(self,-1,
size = (500,500),
ProjectionFun = None,
Debug = 0,
BackgroundColor = "White",
)
self.Canvas = NC.Canvas
self.LoadMap(TestFileName)
self.Canvas.Bind(FloatCanvas.EVT_MOTION, self.OnMove )
self.Show()
self.Canvas.ZoomToBB()
def LoadMap(self, filename):
Image = wx.Image(filename)
self.Canvas.AddScaledBitmap(Image, (0,0), Height = Image.GetSize()[1], Position = "tl")
self.Canvas.AddPoint((0,0), Diameter=3)
self.Canvas.AddText("(0,0)", (0,0), Position="cl")
p = (Image.GetSize()[0],-Image.GetSize()[1])
self.Canvas.AddPoint(p, Diameter=3)
self.Canvas.AddText("(%i,%i)"%p, p, Position="cl")
self.Canvas.MinScale = 0.15
self.Canvas.MaxScale = 1.0
def Binding(self, event):
print("Writing a png file:")
self.Canvas.SaveAsImage("junk.png")
print("Writing a jpeg file:")
self.Canvas.SaveAsImage("junk.jpg",wx.BITMAP_TYPE_JPEG)
def OnMove(self, event):
"""
Updates the status bar with the world coordinates
And moves a point if there is one selected
"""
self.SetStatusText("%.2f, %.2f"%tuple(event.Coords))
app = wx.App(False)
F = DrawFrame(None, title="FloatCanvas Demo App", size=(700,700) )
app.MainLoop()
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