Esempio n. 1
0
    def LoadOverlay(self, cmd):
        """Creates raster legend with d.legend

        :param cmd: d.legend command as a list

        :return: bitmap with legend
        """
        Debug.msg(5, "BitmapProvider.LoadOverlay: cmd={c}".format(c=cmd))

        fileHandler, filename = tempfile.mkstemp(suffix=".png")
        os.close(fileHandler)
        # Set the environment variables for this process
        _setEnvironment(
            self.imageWidth,
            self.imageHeight,
            filename,
            transparent=True,
            bgcolor=(0, 0, 0),
        )

        Debug.msg(1, "Render raster legend " + str(filename))
        cmdTuple = cmdlist_to_tuple(cmd)
        returncode, stdout, messages = read2_command(cmdTuple[0],
                                                     **cmdTuple[1])

        if returncode == 0:
            return BitmapFromImage(autoCropImageFromFile(filename))
        else:
            os.remove(filename)
            raise GException(messages)
Esempio n. 2
0
    def LoadOverlay(self, cmd):
        """Creates raster legend with d.legend

        :param cmd: d.legend command as a list

        :return: bitmap with legend
        """
        Debug.msg(5, "BitmapProvider.LoadOverlay: cmd={c}".format(c=cmd))

        fileHandler, filename = tempfile.mkstemp(suffix=".png")
        os.close(fileHandler)
        # Set the environment variables for this process
        _setEnvironment(self.imageWidth, self.imageHeight, filename,
                        transparent=True, bgcolor=(0, 0, 0))

        Debug.msg(1, "Render raster legend " + str(filename))
        cmdTuple = cmdlist_to_tuple(cmd)
        returncode, stdout, messages = read2_command(
            cmdTuple[0], **cmdTuple[1])

        if returncode == 0:
            return wx.BitmapFromImage(autoCropImageFromFile(filename))
        else:
            os.remove(filename)
            raise GException(messages)