mirror of
https://github.com/wxWidgets/Phoenix.git
synced 2026-01-04 19:10:09 +01:00
Add SVGImage_Render sample
This commit is contained in:
Robin Dunn
@@ -1,4 +1,3 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
import os
|
||||
import glob
|
||||
@@ -93,6 +92,9 @@ The wx.svg.SVGimage class provides the ability to load, parse and render
|
||||
Scalable Vector Graphics (SVG) files. The advantage of SVG files is that
|
||||
they can be used to create bitmaps of any size without loss of quality.
|
||||
|
||||
This sample demonstrates rasterizing an SVG image to wx.Bitmaps of various
|
||||
sizes.
|
||||
|
||||
</body></html>
|
||||
"""
|
||||
|
||||
117
demo/SVGImage_Render.py
Normal file
117
demo/SVGImage_Render.py
Normal file
@@ -0,0 +1,117 @@
|
||||
|
||||
import os
|
||||
import glob
|
||||
import wx
|
||||
from wx.svg import SVGimage
|
||||
|
||||
#----------------------------------------------------------------------
|
||||
|
||||
class SVGRenderPanel(wx.Panel):
|
||||
def __init__(self, parent):
|
||||
wx.Panel.__init__(self, parent, style=wx.FULL_REPAINT_ON_RESIZE)
|
||||
|
||||
self._renderer = None
|
||||
self._img = None
|
||||
|
||||
self.Bind(wx.EVT_PAINT, self.OnPaint)
|
||||
self.SetBackgroundStyle(wx.BG_STYLE_PAINT)
|
||||
|
||||
|
||||
def SetRenderer(self, renderer):
|
||||
self._renderer = renderer
|
||||
self.Refresh()
|
||||
|
||||
|
||||
def SetSVGFile(self, svg_filename):
|
||||
self._img = SVGimage.CreateFromFile(svg_filename)
|
||||
self.Refresh()
|
||||
|
||||
|
||||
def OnPaint(self, event):
|
||||
dc = wx.PaintDC(self)
|
||||
dc.Clear()
|
||||
|
||||
iw, ih = (self._img.width, self._img.height) if self._img else (100,100)
|
||||
dcdim = min(self.Size.width, self.Size.height)
|
||||
imgdim = min(iw, ih)
|
||||
scale = dcdim / imgdim
|
||||
width = int(iw * scale)
|
||||
height = int(ih * scale)
|
||||
|
||||
dc.SetBrush(wx.Brush('white'))
|
||||
dc.DrawRectangle(0,0, width, height)
|
||||
|
||||
if self._renderer and self._img:
|
||||
ctx = self._renderer.CreateContext(dc)
|
||||
self._img.RenderToGC(ctx, scale)
|
||||
|
||||
|
||||
|
||||
#----------------------------------------------------------------------
|
||||
|
||||
class TestPanel(wx.Panel):
|
||||
def __init__(self, parent, log):
|
||||
self.log = log
|
||||
wx.Panel.__init__(self, parent, -1)
|
||||
|
||||
self.listbox = wx.ListBox(self, style=wx.LB_SINGLE, size=(250, -1))
|
||||
self.listbox.AppendItems(glob.glob(os.path.join('data', '*.svg')))
|
||||
|
||||
self.renderPanel = SVGRenderPanel(self)
|
||||
rightSizer = wx.BoxSizer(wx.VERTICAL)
|
||||
rightSizer.Add(self.renderPanel, wx.SizerFlags(1).Expand())
|
||||
|
||||
self.Sizer = wx.BoxSizer(wx.HORIZONTAL)
|
||||
self.Sizer.Add(self.listbox, wx.SizerFlags(1).Border(wx.ALL, 10).Expand())
|
||||
self.Sizer.Add(rightSizer, wx.SizerFlags(2).Border(wx.RIGHT|wx.BOTTOM|wx.TOP, 10).Expand())
|
||||
|
||||
self.Bind(wx.EVT_LISTBOX, self.OnSelectItem)
|
||||
self.listbox.SetSelection(0)
|
||||
|
||||
# TODO: Add ability for the user to select the renderer
|
||||
if 'wxMSW' in wx.PlatformInfo:
|
||||
renderer = wx.GraphicsRenderer.GetDirect2DRenderer()
|
||||
# renderer = wx.GraphicsRenderer.GetCairoRenderer()
|
||||
else:
|
||||
renderer = wx.GraphicsRenderer.GetDefaultRenderer()
|
||||
self.renderPanel.SetRenderer(renderer)
|
||||
|
||||
# Load the first SVG in the list into the static bitmaps
|
||||
self.renderPanel.SetSVGFile(self.listbox.GetString(0))
|
||||
|
||||
|
||||
def OnSelectItem(self, evt):
|
||||
filename = self.listbox.GetStringSelection()
|
||||
self.renderPanel.SetSVGFile(filename)
|
||||
|
||||
|
||||
#----------------------------------------------------------------------
|
||||
|
||||
def runTest(frame, nb, log):
|
||||
win = TestPanel(nb, log)
|
||||
return win
|
||||
|
||||
#----------------------------------------------------------------------
|
||||
|
||||
|
||||
|
||||
overview = """<html><body>
|
||||
<h2><center>SVGImage</center></h2>
|
||||
|
||||
The wx.svg.SVGimage class provides the ability to load, parse and render
|
||||
Scalable Vector Graphics (SVG) files. The advantage of SVG files is that
|
||||
they can be used to create bitmaps of any size without loss of quality.
|
||||
|
||||
This sample demonstrates rendering an SVG image directly on to a
|
||||
wx.GraphicsContext using the GC's daring capabilities.
|
||||
|
||||
</body></html>
|
||||
"""
|
||||
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
import sys,os
|
||||
import run
|
||||
run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
|
||||
|
||||
@@ -24,10 +24,10 @@ _demoPngs = ["overview", "recent", "frame", "dialog", "moredialog", "core",
|
||||
#
|
||||
# _treeList
|
||||
#
|
||||
# These are the Demo Catagory Headers
|
||||
# These are the Demo Category Headers
|
||||
# and Demo Module Names(Ex: Frame.py without ext)
|
||||
#
|
||||
# ('Demo Catagory Name String', [
|
||||
# ('Demo Category Name String', [
|
||||
# 'DemoModuleName1',
|
||||
# 'DemoModuleName2',
|
||||
# 'Etc',
|
||||
@@ -44,7 +44,8 @@ _treeList = [
|
||||
'TreeListCtrl',
|
||||
'NotificationMessage',
|
||||
'AddPrivateFont',
|
||||
'SVGImage',
|
||||
'SVGImage_Bitmap',
|
||||
'SVGImage_Render',
|
||||
]),
|
||||
|
||||
# managed windows == things with a (optional) caption you can close
|
||||
@@ -255,7 +256,8 @@ _treeList = [
|
||||
'Img2PyArtProvider',
|
||||
'Mask',
|
||||
'RawBitmapAccess',
|
||||
'SVGImage',
|
||||
'SVGImage_Bitmap',
|
||||
'SVGImage_Render',
|
||||
'Throbber',
|
||||
]),
|
||||
|
||||
@@ -266,7 +268,6 @@ _treeList = [
|
||||
'Cairo',
|
||||
'Cairo_Snippets',
|
||||
'ColourDB',
|
||||
##'DialogUnits', # needs more explanations
|
||||
'DragScroller',
|
||||
'DrawXXXList',
|
||||
'FileHistory',
|
||||
@@ -290,7 +291,8 @@ _treeList = [
|
||||
'ShapedWindow',
|
||||
'Sound',
|
||||
'StandardPaths',
|
||||
'SVGImage',
|
||||
'SVGImage_Bitmap',
|
||||
'SVGImage_Render',
|
||||
'SystemSettings',
|
||||
'ToolTip',
|
||||
'UIActionSimulator',
|
||||
|
||||
Reference in New Issue
Block a user