Python wx.BITMAP_TYPE_JPEG属性代码示例

# 需要导入模块: import wx [as 别名]
# 或者: from wx import BITMAP_TYPE_JPEG [as 别名]
def saveImage(self, bmp, filename, folder, prefix, format='jpg'):
        # convert
        img = bmp.ConvertToImage()

        # save
        if format == 'gif':
            fileName = os.path.join(folder,"%s%s.gif" % (prefix, filename))
            img.SaveFile(fileName, wx.BITMAP_TYPE_GIF)

        elif format == 'png':
            fileName = os.path.join(folder,"%s%s.png" % (prefix, filename))
            img.SaveFile(fileName, wx.BITMAP_TYPE_PNG)

        else:
            fileName = os.path.join(folder,"%s%s.jpg" % (prefix, filename))
            img.SaveFile(fileName, wx.BITMAP_TYPE_JPEG) 

# 需要导入模块: import wx [as 别名]
# 或者: from wx import BITMAP_TYPE_JPEG [as 别名]
def print_jpeg(self, filename, *args, **kwargs):
            return self._print_image(filename, wx.BITMAP_TYPE_JPEG, *args, **kwargs) 

# 需要导入模块: import wx [as 别名]
# 或者: from wx import BITMAP_TYPE_JPEG [as 别名]
def print_jpeg(self, filename, *args, **kwargs):
            return self._print_image(filename, wx.BITMAP_TYPE_JPEG,
                                     *args, **kwargs) 

# 需要导入模块: import wx [as 别名]
# 或者: from wx import BITMAP_TYPE_JPEG [as 别名]
def _print_image(self, filename, filetype, *args, **kwargs):
        origBitmap   = self.bitmap

        l,b,width,height = self.figure.bbox.bounds
        width = int(math.ceil(width))
        height = int(math.ceil(height))

        self.bitmap = wx.EmptyBitmap(width, height)
        renderer = RendererWx(self.bitmap, self.figure.dpi)

        gc = renderer.new_gc()

        self.figure.draw(renderer)

        # image is the object that we call SaveFile on.
        image = self.bitmap
        # set the JPEG quality appropriately.  Unfortunately, it is only possible
        # to set the quality on a wx.Image object.  So if we are saving a JPEG,
        # convert the wx.Bitmap to a wx.Image, and set the quality.
        if filetype == wx.BITMAP_TYPE_JPEG:
           jpeg_quality = kwargs.get('quality',rcParams['savefig.jpeg_quality'])
           image = self.bitmap.ConvertToImage()
           image.SetOption(wx.IMAGE_OPTION_QUALITY,str(jpeg_quality))

        # Now that we have rendered into the bitmap, save it
        # to the appropriate file type and clean up
        if is_string_like(filename):
            if not image.SaveFile(filename, filetype):
                DEBUG_MSG('print_figure() file save error', 4, self)
                raise RuntimeError('Could not save figure to %s\n' % (filename))
        elif is_writable_file_like(filename):
            if not isinstance(image,wx.Image):
               image = image.ConvertToImage()
            if not image.SaveStream(filename, filetype):
                DEBUG_MSG('print_figure() file save error', 4, self)
                raise RuntimeError('Could not save figure to %s\n' % (filename))

        # Restore everything to normal
        self.bitmap = origBitmap

        # Note: draw is required here since bits of state about the
        # last renderer are strewn about the artist draw methods.  Do
        # not remove the draw without first verifying that these have
        # been cleaned up.  The artist contains() methods will fail
        # otherwise.
        if self._isDrawn:
            self.draw()
        self.Refresh() 

# 需要导入模块: import wx [as 别名]
# 或者: from wx import BITMAP_TYPE_JPEG [as 别名]
def _print_image(self, filename, filetype, *args, **kwargs):
        origBitmap = self.bitmap

        l, b, width, height = self.figure.bbox.bounds
        width = math.ceil(width)
        height = math.ceil(height)

        self.bitmap = wx.Bitmap(width, height)

        renderer = RendererWx(self.bitmap, self.figure.dpi)

        gc = renderer.new_gc()

        self.figure.draw(renderer)

        # image is the object that we call SaveFile on.
        image = self.bitmap
        # set the JPEG quality appropriately.  Unfortunately, it is only
        # possible to set the quality on a wx.Image object.  So if we
        # are saving a JPEG, convert the wx.Bitmap to a wx.Image,
        # and set the quality.
        if filetype == wx.BITMAP_TYPE_JPEG:
            jpeg_quality = kwargs.get('quality',
                                      rcParams['savefig.jpeg_quality'])
            image = self.bitmap.ConvertToImage()
            image.SetOption(wx.IMAGE_OPTION_QUALITY, str(jpeg_quality))

        # Now that we have rendered into the bitmap, save it to the appropriate
        # file type and clean up.
        if isinstance(filename, str):
            if not image.SaveFile(filename, filetype):
                raise RuntimeError(f'Could not save figure to {filename}')
        elif cbook.is_writable_file_like(filename):
            if not isinstance(image, wx.Image):
                image = image.ConvertToImage()
            if not image.SaveStream(filename, filetype):
                raise RuntimeError(f'Could not save figure to {filename}')

        # Restore everything to normal
        self.bitmap = origBitmap

        # Note: draw is required here since bits of state about the
        # last renderer are strewn about the artist draw methods.  Do
        # not remove the draw without first verifying that these have
        # been cleaned up.  The artist contains() methods will fail
        # otherwise.
        if self._isDrawn:
            self.draw()
        self.Refresh()


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#
# The following functions and classes are for pylab compatibility
# mode (matplotlib.pylab) and implement figure managers, etc...
#
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