import traceback

from jpype import JImplements, JOverride, JClass

import py5_tools

import py5

from py5 import object_conversion

# tell JPype this class implements the Java Interface test.TestInterface

@JImplements('test.TestInterface')

class Test:

# tell JPype this method implements method in the Java Interface

@JOverride

def passImage(self, message, pimage):

try:

py5.println(f"PYTHON: message type is {type(message)}")

py5.println(f"PYTHON: message is {message}")

py5.println(f"PYTHON: img type is {type(pimage)}")

# convert Java PImage object to Python Py5Image object

py5image = object_conversion.convert_to_python_type(pimage)

py5.println(f"PYTHON: py5image type is {type(py5image)}")

py5.println(f"PYTHON: py5image is {py5image}")

new_py5image = py5.create_image(200, 200, py5.RGB)

new_py5image.load_np_pixels()

new_py5image.np_pixels[::2, ::2] = [255, 255, 0, 0]

new_py5image.update_np_pixels()

# convert Python Py5Image object to Java PImage object

return object_conversion.convert_to_java_type(new_py5image)

except Exception as e:

traceback.print_exc()

return JClass('java.lang.RuntimeException')(str(e))

# register processing mode keys so the Java `callPython()` method can find them

py5_tools.register_processing_mode_key('setup_test_interface', lambda: Test())

# run the sketch in processing mode, specifying the Java class to instantiate

py5.run_sketch(jclassname='test.Example2Sketch')