Welcome folks today in this blog post we will be looking at wxpython image viewer or preview. All the full source code of the application is given below.
Get Started
In order to get started you need to install the below library using the pip command as shown below
pip install wxpython
After installing this library you need to make an app.py file and copy paste the following code
app.py
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import os import wx class PhotoCtrl(wx.App): def __init__(self, redirect=False, filename=None): wx.App.__init__(self, redirect, filename) self.frame = wx.Frame(None, title='Photo Control') self.panel = wx.Panel(self.frame) self.PhotoMaxSize = 240 self.createWidgets() self.frame.Show() def createWidgets(self): instructions = 'Browse for an image' img = wx.EmptyImage(240,240) self.imageCtrl = wx.StaticBitmap(self.panel, wx.ID_ANY, wx.BitmapFromImage(img)) instructLbl = wx.StaticText(self.panel, label=instructions) self.photoTxt = wx.TextCtrl(self.panel, size=(200,-1)) browseBtn = wx.Button(self.panel, label='Browse') browseBtn.Bind(wx.EVT_BUTTON, self.onBrowse) self.mainSizer = wx.BoxSizer(wx.VERTICAL) self.sizer = wx.BoxSizer(wx.HORIZONTAL) self.mainSizer.Add(wx.StaticLine(self.panel, wx.ID_ANY), 0, wx.ALL|wx.EXPAND, 5) self.mainSizer.Add(instructLbl, 0, wx.ALL, 5) self.mainSizer.Add(self.imageCtrl, 0, wx.ALL, 5) self.sizer.Add(self.photoTxt, 0, wx.ALL, 5) self.sizer.Add(browseBtn, 0, wx.ALL, 5) self.mainSizer.Add(self.sizer, 0, wx.ALL, 5) self.panel.SetSizer(self.mainSizer) self.mainSizer.Fit(self.frame) self.panel.Layout() def onBrowse(self, event): """ Browse for file """ wildcard = "JPEG files (*.jpg)|*.jpg" dialog = wx.FileDialog(None, "Choose a file", wildcard=wildcard, style=wx.FD_OPEN) if dialog.ShowModal() == wx.ID_OK: self.photoTxt.SetValue(dialog.GetPath()) dialog.Destroy() self.onView() def onView(self): filepath = self.photoTxt.GetValue() img = wx.Image(filepath, wx.BITMAP_TYPE_ANY) # scale the image, preserving the aspect ratio W = img.GetWidth() H = img.GetHeight() if W > H: NewW = self.PhotoMaxSize NewH = self.PhotoMaxSize * H / W else: NewH = self.PhotoMaxSize NewW = self.PhotoMaxSize * W / H img = img.Scale(NewW,NewH) self.imageCtrl.SetBitmap(wx.BitmapFromImage(img)) self.panel.Refresh() if __name__ == '__main__': app = PhotoCtrl() app.MainLoop() |
If you execute the above python script by typing the below command
python app.py
