# Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved. # # NVIDIA CORPORATION and its licensors retain all intellectual property # and proprietary rights in and to this software, related documentation # and any modifications thereto. Any use, reproduction, disclosure or # distribution of this software and related documentation without an express # license agreement from NVIDIA CORPORATION is strictly prohibited. import click import os import multiprocessing import numpy as np import torch import imgui import dnnlib from gui_utils import imgui_window from gui_utils import imgui_utils from gui_utils import gl_utils from gui_utils import text_utils from viz import renderer from viz import pickle_widget from viz import latent_widget from viz import drag_widget from viz import capture_widget #---------------------------------------------------------------------------- class Visualizer(imgui_window.ImguiWindow): def __init__(self, capture_dir=None): super().__init__(title='DragGAN', window_width=3840, window_height=2160) # Internals. self._last_error_print = None self._async_renderer = AsyncRenderer() self._defer_rendering = 0 self._tex_img = None self._tex_obj = None self._mask_obj = None self._image_area = None self._status = dnnlib.EasyDict() # Widget interface. self.args = dnnlib.EasyDict() self.result = dnnlib.EasyDict() self.pane_w = 0 self.label_w = 0 self.button_w = 0 self.image_w = 0 self.image_h = 0 # Widgets. self.pickle_widget = pickle_widget.PickleWidget(self) self.latent_widget = latent_widget.LatentWidget(self) self.drag_widget = drag_widget.DragWidget(self) self.capture_widget = capture_widget.CaptureWidget(self) if capture_dir is not None: self.capture_widget.path = capture_dir # Initialize window. self.set_position(0, 0) self._adjust_font_size() self.skip_frame() # Layout may change after first frame. def close(self): super().close() if self._async_renderer is not None: self._async_renderer.close() self._async_renderer = None def add_recent_pickle(self, pkl, ignore_errors=False): self.pickle_widget.add_recent(pkl, ignore_errors=ignore_errors) def load_pickle(self, pkl, ignore_errors=False): self.pickle_widget.load(pkl, ignore_errors=ignore_errors) def print_error(self, error): error = str(error) if error != self._last_error_print: print('\n' + error + '\n') self._last_error_print = error def defer_rendering(self, num_frames=1): self._defer_rendering = max(self._defer_rendering, num_frames) def clear_result(self): self._async_renderer.clear_result() def set_async(self, is_async): if is_async != self._async_renderer.is_async: self._async_renderer.set_async(is_async) self.clear_result() if 'image' in self.result: self.result.message = 'Switching rendering process...' self.defer_rendering() def _adjust_font_size(self): old = self.font_size self.set_font_size(min(self.content_width / 120, self.content_height / 60)) if self.font_size != old: self.skip_frame() # Layout changed. def check_update_mask(self, **args): update_mask = False if 'pkl' in self._status: if self._status.pkl != args['pkl']: update_mask = True self._status.pkl = args['pkl'] if 'w0_seed' in self._status: if self._status.w0_seed != args['w0_seed']: update_mask = True self._status.w0_seed = args['w0_seed'] return update_mask def capture_image_frame(self): self.capture_next_frame() captured_frame = self.pop_captured_frame() captured_image = None if captured_frame is not None: x1, y1, w, h = self._image_area captured_image = captured_frame[y1:y1+h, x1:x1+w, :] return captured_image def get_drag_info(self): seed = self.latent_widget.seed points = self.drag_widget.points targets = self.drag_widget.targets mask = self.drag_widget.mask w = self._async_renderer._renderer_obj.w return seed, points, targets, mask, w def draw_frame(self): self.begin_frame() self.args = dnnlib.EasyDict() self.pane_w = self.font_size * 18 self.button_w = self.font_size * 5 self.label_w = round(self.font_size * 4.5) # Detect mouse dragging in the result area. if self._image_area is not None: if not hasattr(self.drag_widget, 'width'): self.drag_widget.init_mask(self.image_w, self.image_h) clicked, down, img_x, img_y = imgui_utils.click_hidden_window( '##image_area', self._image_area[0], self._image_area[1], self._image_area[2], self._image_area[3], self.image_w, self.image_h) self.drag_widget.action(clicked, down, img_x, img_y) # Begin control pane. imgui.set_next_window_position(0, 0) imgui.set_next_window_size(self.pane_w, self.content_height) imgui.begin('##control_pane', closable=False, flags=(imgui.WINDOW_NO_TITLE_BAR | imgui.WINDOW_NO_RESIZE | imgui.WINDOW_NO_MOVE)) # Widgets. expanded, _visible = imgui_utils.collapsing_header('Network & latent', default=True) self.pickle_widget(expanded) self.latent_widget(expanded) expanded, _visible = imgui_utils.collapsing_header('Drag', default=True) self.drag_widget(expanded) expanded, _visible = imgui_utils.collapsing_header('Capture', default=True) self.capture_widget(expanded) # Render. if self.is_skipping_frames(): pass elif self._defer_rendering > 0: self._defer_rendering -= 1 elif self.args.pkl is not None: self._async_renderer.set_args(**self.args) result = self._async_renderer.get_result() if result is not None: self.result = result if 'stop' in self.result and self.result.stop: self.drag_widget.stop_drag() if 'points' in self.result: self.drag_widget.set_points(self.result.points) if 'init_net' in self.result: if self.result.init_net: self.drag_widget.reset_point() if self.check_update_mask(**self.args): h, w, _ = self.result.image.shape self.drag_widget.init_mask(w, h) # Display. max_w = self.content_width - self.pane_w max_h = self.content_height pos = np.array([self.pane_w + max_w / 2, max_h / 2]) if 'image' in self.result: if self._tex_img is not self.result.image: self._tex_img = self.result.image if self._tex_obj is None or not self._tex_obj.is_compatible(image=self._tex_img): self._tex_obj = gl_utils.Texture(image=self._tex_img, bilinear=False, mipmap=False) else: self._tex_obj.update(self._tex_img) self.image_h, self.image_w = self._tex_obj.height, self._tex_obj.width zoom = min(max_w / self._tex_obj.width, max_h / self._tex_obj.height) zoom = np.floor(zoom) if zoom >= 1 else zoom self._tex_obj.draw(pos=pos, zoom=zoom, align=0.5, rint=True) if self.drag_widget.show_mask and hasattr(self.drag_widget, 'mask'): mask = ((1-self.drag_widget.mask.unsqueeze(-1)) * 255).to(torch.uint8) if self._mask_obj is None or not self._mask_obj.is_compatible(image=self._tex_img): self._mask_obj = gl_utils.Texture(image=mask, bilinear=False, mipmap=False) else: self._mask_obj.update(mask) self._mask_obj.draw(pos=pos, zoom=zoom, align=0.5, rint=True, alpha=0.15) if self.drag_widget.mode in ['flexible', 'fixed']: posx, posy = imgui.get_mouse_pos() if posx >= self.pane_w: pos_c = np.array([posx, posy]) gl_utils.draw_circle(center=pos_c, radius=self.drag_widget.r_mask * zoom, alpha=0.5) rescale = self._tex_obj.width / 512 * zoom for point in self.drag_widget.targets: pos_x = self.pane_w + max_w / 2 + (point[1] - self.image_w//2) * zoom pos_y = max_h / 2 + (point[0] - self.image_h//2) * zoom gl_utils.draw_circle(center=np.array([pos_x, pos_y]), color=[0,0,1], radius=9 * rescale) for point in self.drag_widget.points: pos_x = self.pane_w + max_w / 2 + (point[1] - self.image_w//2) * zoom pos_y = max_h / 2 + (point[0] - self.image_h//2) * zoom gl_utils.draw_circle(center=np.array([pos_x, pos_y]), color=[1,0,0], radius=9 * rescale) for point, target in zip(self.drag_widget.points, self.drag_widget.targets): t_x = self.pane_w + max_w / 2 + (target[1] - self.image_w//2) * zoom t_y = max_h / 2 + (target[0] - self.image_h//2) * zoom p_x = self.pane_w + max_w / 2 + (point[1] - self.image_w//2) * zoom p_y = max_h / 2 + (point[0] - self.image_h//2) * zoom gl_utils.draw_arrow(p_x, p_y, t_x, t_y, l=8 * rescale, width = 3 * rescale) imshow_w = int(self._tex_obj.width * zoom) imshow_h = int(self._tex_obj.height * zoom) self._image_area = [int(self.pane_w + max_w / 2 - imshow_w / 2), int(max_h / 2 - imshow_h / 2), imshow_w, imshow_h] if 'error' in self.result: self.print_error(self.result.error) if 'message' not in self.result: self.result.message = str(self.result.error) if 'message' in self.result: tex = text_utils.get_texture(self.result.message, size=self.font_size, max_width=max_w, max_height=max_h, outline=2) tex.draw(pos=pos, align=0.5, rint=True, color=1) # End frame. self._adjust_font_size() imgui.end() self.end_frame() #---------------------------------------------------------------------------- class AsyncRenderer: def __init__(self): self._closed = False self._is_async = False self._cur_args = None self._cur_result = None self._cur_stamp = 0 self._renderer_obj = None self._args_queue = None self._result_queue = None self._process = None def close(self): self._closed = True self._renderer_obj = None if self._process is not None: self._process.terminate() self._process = None self._args_queue = None self._result_queue = None @property def is_async(self): return self._is_async def set_async(self, is_async): self._is_async = is_async def set_args(self, **args): assert not self._closed args2 = args.copy() args_mask = args2.pop('mask') if self._cur_args: _cur_args = self._cur_args.copy() cur_args_mask = _cur_args.pop('mask') else: _cur_args = self._cur_args # if args != self._cur_args: if args2 != _cur_args: if self._is_async: self._set_args_async(**args) else: self._set_args_sync(**args) self._cur_args = args def _set_args_async(self, **args): if self._process is None: self._args_queue = multiprocessing.Queue() self._result_queue = multiprocessing.Queue() try: multiprocessing.set_start_method('spawn') except RuntimeError: pass self._process = multiprocessing.Process(target=self._process_fn, args=(self._args_queue, self._result_queue), daemon=True) self._process.start() self._args_queue.put([args, self._cur_stamp]) def _set_args_sync(self, **args): if self._renderer_obj is None: self._renderer_obj = renderer.Renderer() self._cur_result = self._renderer_obj.render(**args) def get_result(self): assert not self._closed if self._result_queue is not None: while self._result_queue.qsize() > 0: result, stamp = self._result_queue.get() if stamp == self._cur_stamp: self._cur_result = result return self._cur_result def clear_result(self): assert not self._closed self._cur_args = None self._cur_result = None self._cur_stamp += 1 @staticmethod def _process_fn(args_queue, result_queue): renderer_obj = renderer.Renderer() cur_args = None cur_stamp = None while True: args, stamp = args_queue.get() while args_queue.qsize() > 0: args, stamp = args_queue.get() if args != cur_args or stamp != cur_stamp: result = renderer_obj.render(**args) if 'error' in result: result.error = renderer.CapturedException(result.error) result_queue.put([result, stamp]) cur_args = args cur_stamp = stamp #---------------------------------------------------------------------------- @click.command() @click.argument('pkls', metavar='PATH', nargs=-1) @click.option('--capture-dir', help='Where to save screenshot captures', metavar='PATH', default=None) @click.option('--browse-dir', help='Specify model path for the \'Browse...\' button', metavar='PATH') def main( pkls, capture_dir, browse_dir ): """Interactive model visualizer. Optional PATH argument can be used specify which .pkl file to load. """ viz = Visualizer(capture_dir=capture_dir) if browse_dir is not None: viz.pickle_widget.search_dirs = [browse_dir] # List pickles. if len(pkls) > 0: for pkl in pkls: viz.add_recent_pickle(pkl) viz.load_pickle(pkls[0]) else: pretrained = [ 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-afhqcat-512x512.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-afhqdog-512x512.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-afhqv2-512x512.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-afhqwild-512x512.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-brecahad-512x512.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-celebahq-256x256.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-cifar10-32x32.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-ffhq-1024x1024.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-ffhq-256x256.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-ffhq-512x512.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-ffhqu-1024x1024.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-ffhqu-256x256.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-lsundog-256x256.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-metfaces-1024x1024.pkl', 'https://api.ngc.nvidia.com/v2/models/nvidia/research/stylegan2/versions/1/files/stylegan2-metfacesu-1024x1024.pkl' ] # Populate recent pickles list with pretrained model URLs. for url in pretrained: viz.add_recent_pickle(url) # Run. while not viz.should_close(): viz.draw_frame() viz.close() #---------------------------------------------------------------------------- if __name__ == "__main__": main() #----------------------------------------------------------------------------