bl-cpp-test/addon/cpp_test.py

94 lines
2.2 KiB
Python

import sys
import os
import ctypes
import bpy
import numpy as np
from . import utils
class Session:
def __init__(self):
pass
def get_session():
global session
return session
def load_native_library():
script_dir = os.path.dirname(os.path.realpath(__file__))
if os.name == 'nt':
lib_file_name = 'cpp_test.dll'
else:
lib_file_name = 'libcpp_test.so'
lib = ctypes.CDLL(os.path.join(script_dir, lib_file_name))
return lib
def unload_native_library(lib):
if os.name == 'nt':
kernel32 = ctypes.WinDLL('kernel32', use_last_error=True)
kernel32.FreeLibrary.argtypes = [ctypes.c_void_p]
kernel32.FreeLibrary(lib._handle)
else:
stdlib = ctypes.CDLL("")
stdlib.dlclose.argtypes = [ctypes.c_void_p]
stdlib.dlclose(lib._handle)
class CPP_TEST_OT_generate_image(bpy.types.Operator):
"""Generate a image"""
bl_idname = "cpp_test.generate_image"
bl_label = "Generate Image"
bl_options = {'REGISTER', 'UNDO'}
def execute(self, context):
global session
wm = context.window_manager
native_lib = load_native_library()
native_lib.CPPTEST_init()
img = bpy.data.images.new('cpp_test', 1024, 1024, alpha=True)
context.tool_settings.image_paint.canvas = img
context.tool_settings.image_paint.mode = 'IMAGE'
img_width, img_height = img.size
pixels = utils.read_pixels_from_image(img)
pixels_ctypes = pixels.ctypes.data_as(ctypes.POINTER(ctypes.c_float))
native_lib.CPPTEST_setImageSize(img_width, img_height)
native_lib.CPPTEST_setImagePixels(pixels_ctypes)
native_lib.CPPTEST_process()
utils.write_pixels_to_image(img, pixels)
native_lib.CPPTEST_free()
unload_native_library(native_lib)
return {'FINISHED'}
class CPP_TEST_PT_panel(bpy.types.Panel):
bl_label = "Cpp Test"
bl_space_type = "IMAGE_EDITOR"
bl_region_type = "UI"
bl_category = "Cpp Test"
@classmethod
def poll(cls, context):
return True
def draw(self, context):
layout = self.layout
row = layout.row()
op = row.operator(CPP_TEST_OT_generate_image.bl_idname, text='Generate Image')
session = Session()