stylegan3/viz/equivariance_widget.py

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# Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
2021-10-07 11:55:26 +02:00
#
# 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 numpy as np
import imgui
import dnnlib
from gui_utils import imgui_utils
#----------------------------------------------------------------------------
class EquivarianceWidget:
def __init__(self, viz):
self.viz = viz
self.xlate = dnnlib.EasyDict(x=0, y=0, anim=False, round=False, speed=1e-2)
self.xlate_def = dnnlib.EasyDict(self.xlate)
self.rotate = dnnlib.EasyDict(val=0, anim=False, speed=5e-3)
self.rotate_def = dnnlib.EasyDict(self.rotate)
self.opts = dnnlib.EasyDict(untransform=False)
self.opts_def = dnnlib.EasyDict(self.opts)
@imgui_utils.scoped_by_object_id
def __call__(self, show=True):
viz = self.viz
if show:
imgui.text('Translate')
imgui.same_line(viz.label_w)
with imgui_utils.item_width(viz.font_size * 8):
_changed, (self.xlate.x, self.xlate.y) = imgui.input_float2('##xlate', self.xlate.x, self.xlate.y, format='%.4f')
imgui.same_line(viz.label_w + viz.font_size * 8 + viz.spacing)
_clicked, dragging, dx, dy = imgui_utils.drag_button('Drag fast##xlate', width=viz.button_w)
if dragging:
self.xlate.x += dx / viz.font_size * 2e-2
self.xlate.y += dy / viz.font_size * 2e-2
imgui.same_line()
_clicked, dragging, dx, dy = imgui_utils.drag_button('Drag slow##xlate', width=viz.button_w)
if dragging:
self.xlate.x += dx / viz.font_size * 4e-4
self.xlate.y += dy / viz.font_size * 4e-4
imgui.same_line()
_clicked, self.xlate.anim = imgui.checkbox('Anim##xlate', self.xlate.anim)
imgui.same_line()
_clicked, self.xlate.round = imgui.checkbox('Round##xlate', self.xlate.round)
imgui.same_line()
with imgui_utils.item_width(-1 - viz.button_w - viz.spacing), imgui_utils.grayed_out(not self.xlate.anim):
changed, speed = imgui.slider_float('##xlate_speed', self.xlate.speed, 0, 0.5, format='Speed %.5f', power=5)
if changed:
self.xlate.speed = speed
imgui.same_line()
if imgui_utils.button('Reset##xlate', width=-1, enabled=(self.xlate != self.xlate_def)):
self.xlate = dnnlib.EasyDict(self.xlate_def)
if show:
imgui.text('Rotate')
imgui.same_line(viz.label_w)
with imgui_utils.item_width(viz.font_size * 8):
_changed, self.rotate.val = imgui.input_float('##rotate', self.rotate.val, format='%.4f')
imgui.same_line(viz.label_w + viz.font_size * 8 + viz.spacing)
_clicked, dragging, dx, _dy = imgui_utils.drag_button('Drag fast##rotate', width=viz.button_w)
if dragging:
self.rotate.val += dx / viz.font_size * 2e-2
imgui.same_line()
_clicked, dragging, dx, _dy = imgui_utils.drag_button('Drag slow##rotate', width=viz.button_w)
if dragging:
self.rotate.val += dx / viz.font_size * 4e-4
imgui.same_line()
_clicked, self.rotate.anim = imgui.checkbox('Anim##rotate', self.rotate.anim)
imgui.same_line()
with imgui_utils.item_width(-1 - viz.button_w - viz.spacing), imgui_utils.grayed_out(not self.rotate.anim):
changed, speed = imgui.slider_float('##rotate_speed', self.rotate.speed, -1, 1, format='Speed %.4f', power=3)
if changed:
self.rotate.speed = speed
imgui.same_line()
if imgui_utils.button('Reset##rotate', width=-1, enabled=(self.rotate != self.rotate_def)):
self.rotate = dnnlib.EasyDict(self.rotate_def)
if show:
imgui.set_cursor_pos_x(imgui.get_content_region_max()[0] - 1 - viz.button_w*1 - viz.font_size*16)
_clicked, self.opts.untransform = imgui.checkbox('Untransform', self.opts.untransform)
imgui.same_line(imgui.get_content_region_max()[0] - 1 - viz.button_w)
if imgui_utils.button('Reset##opts', width=-1, enabled=(self.opts != self.opts_def)):
self.opts = dnnlib.EasyDict(self.opts_def)
if self.xlate.anim:
c = np.array([self.xlate.x, self.xlate.y], dtype=np.float64)
t = c.copy()
if np.max(np.abs(t)) < 1e-4:
t += 1
t *= 0.1 / np.hypot(*t)
t += c[::-1] * [1, -1]
d = t - c
d *= (viz.frame_delta * self.xlate.speed) / np.hypot(*d)
self.xlate.x += d[0]
self.xlate.y += d[1]
if self.rotate.anim:
self.rotate.val += viz.frame_delta * self.rotate.speed
pos = np.array([self.xlate.x, self.xlate.y], dtype=np.float64)
if self.xlate.round and 'img_resolution' in viz.result:
pos = np.rint(pos * viz.result.img_resolution) / viz.result.img_resolution
angle = self.rotate.val * np.pi * 2
viz.args.input_transform = [
[np.cos(angle), np.sin(angle), pos[0]],
[-np.sin(angle), np.cos(angle), pos[1]],
[0, 0, 1]]
viz.args.update(untransform=self.opts.untransform)
#----------------------------------------------------------------------------