/usr/share/pyshared/PythonCard/graphic.py is in python-pythoncard 0.8.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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__version__ = "$Revision: 1.18 $"
__date__ = "$Date: 2005/08/11 06:26:32 $"
"""
import os
import wx
try:
import Image
# necessary to avoid name collision with Image class
from Image import fromstring
PIL_FOUND = 1
except ImportError:
PIL_FOUND = 0
def PILToImage(pilImage):
if (pilImage.mode != 'RGB'):
pilImage = pilImage.convert('RGB')
imageData = pilImage.tostring('raw', 'RGB')
img = wx.EmptyImage(pilImage.size[0], pilImage.size[1])
img.SetData(imageData)
return img
def PILToBitmap(image):
return wx.BitmapFromImage(PILToImage(image))
def BitmapToPIL(bmp):
imageData = wx.ImageFromBitmap(bmp).GetData()
imagePIL = fromstring('RGB', (bmp.GetWidth(), bmp.GetHeight()), imageData)
imagePIL = imagePIL.convert('RGB')
return imagePIL
def numericArrayToImage(array):
height, width = array.shape[:2]
img = wx.EmptyImage(width, height)
img.SetData(array.tostring())
return img
def bitmapType(filename):
"""
Get the type of an image from the file's extension ( .jpg, etc. )
"""
if filename == '':
return None
name, ext = os.path.splitext(filename)
ext = ext[1:].upper()
if ext == 'BMP':
return wx.BITMAP_TYPE_BMP
elif ext == 'GIF':
return wx.BITMAP_TYPE_GIF
elif ext == 'JPG' or ext == 'JPEG':
return wx.BITMAP_TYPE_JPEG
elif ext == 'PCX':
return wx.BITMAP_TYPE_PCX
elif ext == 'PICT':
return wx.BITMAP_TYPE_PICT
elif ext == 'PNG':
return wx.BITMAP_TYPE_PNG
elif ext == 'PNM':
return wx.BITMAP_TYPE_PNM
elif ext == 'TIF' or ext == 'TIFF':
return wx.BITMAP_TYPE_TIF
elif ext == 'XBM':
return wx.BITMAP_TYPE_XBM
elif ext == 'XPM':
return wx.BITMAP_TYPE_XPM
else:
# KEA 2001-10-10
# rather than throw an exception, we could try and have wxPython figure out the image
# type by returning wxBITMAP_TYPE_ANY
raise 'invalid graphics format' # should throw an exception here
def saveWindowScreenshot(w, path):
bmp = wx.EmptyBitmap(w.size[0], w.size[1])
memdc = wx.MemoryDC()
memdc.SelectObject(bmp)
dc = wx.WindowDC(w)
memdc.BlitPointSize((0, 0), w.size, dc, (0, 0))
bmp.SaveFile(path, bitmapType(path))
dc = None
memdc.SelectObject(wx.NullBitmap)
memdc = None
bmp = None
class Bitmap :
def __init__(self, filename=None, size=(-1, -1)):
if filename is None or filename == '':
self._filename = None
else:
self._filename = filename
# KEA 2004-07-27
# Mac checks that the bitmap is Ok() so need
# to use a valid size
if (self._filename is None) and (tuple(size) == (-1, -1)):
self._size = (10, 10)
else:
self._size = size
self._type = None
self.loadFile(self._filename, self._size)
def getBits( self ) :
return self._bits
def setBits( self, aWxBitmap ) :
self._bits = aWxBitmap
def setPILBits(self, image):
self._bits = PILToBitmap(image)
def getPILBits(self):
return BitmapToPIL(self._bits)
def setImageBits(self, image):
self._bits = wx.BitmapFromImage(image)
def getImageBits(self):
return wx.ImageFromBitmap(self._bits)
def getHeight( self ) :
return self._bits.GetHeight()
def getWidth( self ) :
return self._bits.GetWidth()
def getSize( self ) :
return (self._bits.GetWidth(), self._bits.GetHeight())
# KEA special handling for -2 size option
def setSize( self, aSize ):
raise NotImplementedError
def getType( self ) :
return self._type
def _getBitmapType( self, filename ) :
"""
Get the type of an image from the file's extension ( .jpg, etc. )
"""
# KEA 2001-07-27
# was
#name, ext = filename.split( '.' )
#ext = ext.upper()
if filename is None or filename == '':
return None
name, ext = os.path.splitext(filename)
ext = ext[1:].upper()
if ext == 'BMP':
return wx.BITMAP_TYPE_BMP
elif ext == 'GIF':
return wx.BITMAP_TYPE_GIF
elif ext == 'JPG' or ext == 'JPEG':
return wx.BITMAP_TYPE_JPEG
elif ext == 'PCX':
return wx.BITMAP_TYPE_PCX
#elif ext == 'PICT':
# return wx.BITMAP_TYPE_PICT
elif ext == 'PNG':
return wx.BITMAP_TYPE_PNG
elif ext == 'PNM':
return wx.BITMAP_TYPE_PNM
elif ext == 'TIF' or ext == 'TIFF':
return wx.BITMAP_TYPE_TIF
elif ext == 'XBM':
return wx.BITMAP_TYPE_XBM
elif ext == 'XPM':
return wx.BITMAP_TYPE_XPM
else:
# KEA 2001-10-10
# rather than throw an exception, we could try and have wxPython figure out the image
# type by returning wxBITMAP_TYPE_ANY
raise 'invalid graphics format' # should throw an exception here
# xbm format doesn't seem to work on Windows
def loadFile(self, filename=None, size=(-1, -1)):
if filename is None or filename == '':
self._filename = None
else:
self._filename = filename
if (self._filename is None) and (tuple(size) == (-1, -1)):
self._size = (10, 10)
else:
self._size = size
self._type = self._getBitmapType(self._filename)
if self._type is None:
self._bits = wx.EmptyBitmap(self._size[0], self._size[1])
else:
self._bits = wx.Bitmap(self._filename, self._type)
# attempting to save a GIF image will result in a zero length file
def saveFile(self, filename=None):
if filename is None:
filename = self._filename
try:
self._bits.SaveFile(filename, self._getBitmapType(filename))
except:
pass
def rotate90(self, clockwise=1):
image = wx.ImageFromBitmap(self._bits)
self._bits = wx.BitmapFromImage(image.Rotate90(clockwise))
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