2021-10-13 10:00:23 +00:00
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# Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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2021-10-07 09:55:26 +00:00
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#
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# NVIDIA CORPORATION and its licensors retain all intellectual property
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# and proprietary rights in and to this software, related documentation
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# and any modifications thereto. Any use, reproduction, disclosure or
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# distribution of this software and related documentation without an express
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# license agreement from NVIDIA CORPORATION is strictly prohibited.
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import os
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import re
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import numpy as np
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import imgui
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import PIL.Image
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from gui_utils import imgui_utils
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from . import renderer
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#----------------------------------------------------------------------------
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class CaptureWidget:
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def __init__(self, viz):
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self.viz = viz
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self.path = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '_screenshots'))
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self.dump_image = False
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self.dump_gui = False
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self.defer_frames = 0
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self.disabled_time = 0
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def dump_png(self, image):
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viz = self.viz
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try:
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_height, _width, channels = image.shape
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assert channels in [1, 3]
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assert image.dtype == np.uint8
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os.makedirs(self.path, exist_ok=True)
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file_id = 0
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for entry in os.scandir(self.path):
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if entry.is_file():
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match = re.fullmatch(r'(\d+).*', entry.name)
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if match:
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file_id = max(file_id, int(match.group(1)) + 1)
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if channels == 1:
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pil_image = PIL.Image.fromarray(image[:, :, 0], 'L')
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else:
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pil_image = PIL.Image.fromarray(image, 'RGB')
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pil_image.save(os.path.join(self.path, f'{file_id:05d}.png'))
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except:
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viz.result.error = renderer.CapturedException()
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@imgui_utils.scoped_by_object_id
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def __call__(self, show=True):
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viz = self.viz
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if show:
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with imgui_utils.grayed_out(self.disabled_time != 0):
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imgui.text('Capture')
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imgui.same_line(viz.label_w)
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_changed, self.path = imgui_utils.input_text('##path', self.path, 1024,
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flags=(imgui.INPUT_TEXT_AUTO_SELECT_ALL | imgui.INPUT_TEXT_ENTER_RETURNS_TRUE),
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width=(-1 - viz.button_w * 2 - viz.spacing * 2),
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help_text='PATH')
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if imgui.is_item_hovered() and not imgui.is_item_active() and self.path != '':
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imgui.set_tooltip(self.path)
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imgui.same_line()
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if imgui_utils.button('Save image', width=viz.button_w, enabled=(self.disabled_time == 0 and 'image' in viz.result)):
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self.dump_image = True
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self.defer_frames = 2
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self.disabled_time = 0.5
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imgui.same_line()
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if imgui_utils.button('Save GUI', width=-1, enabled=(self.disabled_time == 0)):
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self.dump_gui = True
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self.defer_frames = 2
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self.disabled_time = 0.5
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self.disabled_time = max(self.disabled_time - viz.frame_delta, 0)
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if self.defer_frames > 0:
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self.defer_frames -= 1
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elif self.dump_image:
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if 'image' in viz.result:
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self.dump_png(viz.result.image)
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self.dump_image = False
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elif self.dump_gui:
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viz.capture_next_frame()
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self.dump_gui = False
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captured_frame = viz.pop_captured_frame()
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if captured_frame is not None:
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self.dump_png(captured_frame)
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#----------------------------------------------------------------------------
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