我一直在尝试最终拥有一个使用简单矢量图像作为背景的应用程序,因此可以根据需要缩放和调整屏幕大小。我暂时一直在用光栅照片测试这个
不幸的是,我是个菜鸟,虽然我了解了正在发生的事情的要点,但我没有足够的经验来为我自己的目的修改它。话虽如此,我如何在面板上保留背景图像并使用 wxpython 实时缩放图像与面板大小?
我现在有一些拼凑的代码:
import pathlib
import wx
class MainApp(wx.App):
def __init__(self, redirect=False, filename=None):
wx.App.__init__(self, redirect, filename)
dlg = MainFrame(parent=None,title="IvyVine")
dlg.Show()
####################################
class MainFrame(wx.Frame):
def __init__(self, parent, title):
wx.Frame.__init__(self, parent=None, title="IvyVine",size=(1000,500))
panel = MainPanel(self)
self.Center()
self.Show(True)
def OnExit(self,e):
self.Close(True) #Closes the frame
####################################
class MainPanel(wx.Panel):
def __init__(self, parent):
bg_img = 'window.JPG'
wx.Panel.__init__(self, parent=parent)
self.SetBackgroundStyle(wx.BG_STYLE_ERASE)
self.frame = parent
self.bg = wx.Bitmap(bg_img)
self._width, self._height = self.bg.GetSize()
sizer = wx.BoxSizer(wx.VERTICAL)
hSizer = wx.BoxSizer(wx.HORIZONTAL)
for num in range(3):
label = "Button %s" % num
btn = wx.Button(self,label=label)
sizer.Add(btn,0,wx.ALL,5)
hSizer.Add((1,1), 1, wx.EXPAND)
hSizer.Add(sizer, 0, wx.TOP, 100)
hSizer.Add((1,1), 0, wx.ALL, 75)
self.SetSizer(hSizer)
self.Bind(wx.EVT_SIZE, self.OnSize)
self.Bind(wx.EVT_PAINT, self.OnPaint)
#---------------------------
def scale_bg(self, bitmap, width, height):
pass
#---------------------------
def OnSize(self, size):
self.Layout()
self.Refresh()
#---------------------------
def OnPaint(self, evt):
dc = wx.BufferedPaintDC(self)
self.Draw(dc)
#---------------------------
def Draw(self, dc):
cliWidth, cliHeight = self.GetClientSize()
if not cliWidth or not cliHeight:
return
dc.Clear()
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