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edit_widget.py
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edit_widget.py
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from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from OpenGL.GL import *
from OpenGL.GLU import *
from OpenGL.GLUT import *
import numpy as np
import math
from configs.config import cfg
from sketch_3d_ui.base_opengl_widget import BaseOpenGLWidget as BASEOPENGL
from sketch_3d_ui.view.camera import Camera_Z_UP
from PIL import Image, ImageQt
ALL_FILES = [
'datasets/shapenet/splits/all_03001627.lst',
'datasets/shapenet/splits/all_02691156.lst',
'datasets/animalhead/splits/test.lst'
]
class EditWidget(BASEOPENGL):
updateSignal = pyqtSignal()
def __init__(self, parent=None):
super(EditWidget, self).__init__(parent)
self.cursor_pen_pix = QPixmap(cfg.ICONS_PATH + 'cursor_pen.png')
self.cursor_eraser_pix = QPixmap(cfg.ICONS_PATH + 'cursor_eraser.png')
self.mode = 'view'
self.azi = -45.
self.ele = 15.
self.camera = Camera_Z_UP(theta=self.azi*math.pi/180., \
phi= (90.-self.ele)*math.pi/180., \
distance=2.0)
self.zoom_factor = 1.0
self.category_id = 0
self.dataset = 'shapenet'
self.set_random_shadow()
self.vis_point_cloud = None
self.cache_dir = None
def set_random_shadow(self):
split_file = ALL_FILES[self.category_id]
shadow_uids = np.loadtxt(split_file, dtype=str)
self.shadow_ids = np.random.choice(shadow_uids, 15)
self.set_shadow()
def change_category(self, category_id):
if category_id != self.category_id:
self.category_id = category_id
if self.category_id < 2:
self.dataset = 'shapenet'
else:
self.dataset = 'animalhead'
self.set_random_shadow()
def set_shadow(self):
name = '{}_{}_0001.png'.format(int(self.azi)%360, int(self.ele))
png_fn = os.path.join('datasets/{}/pytorch3d_render/sketch_transparent'.format(self.dataset), self.shadow_ids[0], name)
img0 = Image.open(png_fn).convert('RGBA').resize((600, 600), Image.Resampling.LANCZOS)
for shadow_id in self.shadow_ids[1:]:
png_fn = os.path.join('datasets/{}/pytorch3d_render/sketch_transparent'.format(self.dataset), shadow_id, name)
img = Image.open(png_fn).convert('RGBA').resize((600, 600), Image.Resampling.LANCZOS)
img0 = Image.blend(img0, img, alpha=0.25)
bg=np.zeros((600,600,4),dtype=np.uint8)
bg = Image.fromarray(bg).convert('RGBA')
img0 = Image.blend(img0, bg, alpha=0.16)
img_qt = ImageQt.ImageQt(img0)
self.canvas_shadow = img_qt
def set_mode(self, lock, freestyle, straight, eraser, mask):
BASEOPENGL.canvas_manager.set_tool(lock, freestyle, straight, eraser, mask)
if lock:
self.mode = 'edit'
if freestyle or straight:
cursor_pix = self.cursor_pen_pix
size = 30
cursor_pix = cursor_pix.scaled(size, size)
cursor = QCursor(cursor_pix, size/2, size/2)
elif eraser or mask:
cursor_pix = self.cursor_eraser_pix
size = BASEOPENGL.canvas_manager.eraser_size
cursor_pix = cursor_pix.scaled(size, size)
cursor = QCursor(cursor_pix, size/2, size/2)
else:
cursor = Qt.ArrowCursor
else:
self.mode = 'view'
cursor = Qt.ArrowCursor
self.setCursor(cursor)
self.changeCursor()
self.update()
def set_camera(self, azi, ele):
self.azi = azi
self.ele = ele
self.camera = Camera_Z_UP(theta=self.azi*math.pi/180., \
phi= (90.-self.ele)*math.pi/180., \
distance=2.0)
if BASEOPENGL.geometry_manager.count == -1:
self.set_shadow()
self.draw_img()
def set_sketch_from_png(self, png_fn):
tmp = png_fn.split('/')[-1].split('_')
azi, ele = int(tmp[0]), int(tmp[1])
self.set_camera(azi, ele)
img_pil = Image.open(png_fn).convert('RGBA')
img_pil = img_pil.resize((600, 600), Image.NEAREST)# new added!!!
img_qt = ImageQt.ImageQt(img_pil)
BASEOPENGL.canvas_manager.canvas_sketch = img_qt
BASEOPENGL.canvas_manager.tmp_canvas_sketch = img_qt
self.draw_canvas(BASEOPENGL.canvas_manager.canvas_sketch, 0.9)
self.update()
def set_vis_pc(self, pc):
indices = np.random.randint(0, len(pc), 1000)
sampled_pc = pc[indices]
# rotate -45 around x axis
self.vis_point_cloud = sampled_pc.copy()
self.vis_point_cloud[:, 1] = -sampled_pc[:, 2]
self.vis_point_cloud[:, 2] = sampled_pc[:,1]
self.vis_colors = np.ones(self.vis_point_cloud.shape)
self.vis_colors[:,0] = 0.5 + self.vis_point_cloud[:,0]
self.vis_colors[:,1] = 0.5 + self.vis_point_cloud[:,1]
########################################################################
# DRAW SCENE #
########################################################################
def loadScene(self):
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT)
glEnable(GL_DEPTH_TEST)
glViewport(0, 0, self.width, self.height)
glClearColor (0.8, 0.8, 0.8, 0.0)
self.set_projection()
def paintGL(self):
self.loadScene()
camera_pos = self.camera.get_cartesian_camera_pos()
self.set_model_view(camera_pos)
if self.vis_point_cloud is not None:
self.draw_point_cloud(self.vis_point_cloud, self.vis_colors)
self.draw_img()
# scene
def draw_img(self):
if BASEOPENGL.geometry_manager.count == -1:
self.draw_canvas(self.canvas_shadow, 0.3)
self.draw_canvas(BASEOPENGL.canvas_manager.canvas_mask, 0.9)
self.draw_canvas(BASEOPENGL.canvas_manager.canvas_sketch, 0.9)
self.update()
def draw_canvas(self, canvas, opacity_val=1.0):
canvasPainter = QPainter(self)
canvasPainter.setOpacity(opacity_val)
canvasPainter.drawImage(self.rect(),
canvas,
canvas.rect())
canvasPainter.end()
########################################################################
# Manager initialization #
########################################################################
def changeCursor(self):
QApplication.restoreOverrideCursor()
def reset(self):
BASEOPENGL.canvas_manager.clean_sketch()
BASEOPENGL.canvas_manager.clean_mask()
self.vis_point_cloud = None
# self.azi = -45.
# self.ele = 15.
self.zoom_factor = 1.0
self.mode = 'view'
self.setCursor(Qt.ArrowCursor)
self.changeCursor()
self.update()
########################################################################
# CAMERA #
########################################################################
def update_camera(self, mouse_x, mouse_y):
d_theta = float(self.lastPos_x - mouse_x) / 300.
d_phi = float(self.lastPos_y - mouse_y) / 600.
self.camera.rotate_with_resctrict(d_theta, d_phi)
########################################################################
# Mouse Event #
########################################################################
def mousePressEvent(self, e):
if e.buttons() == Qt.LeftButton:
self.mouse_state ='LEFT'
elif e.buttons() == Qt.RightButton:
self.mouse_state = 'RIGHT'
else:
return
fn = getattr(self, "%s_mousePressEvent" % self.mode, None)
if fn:
return fn(e)
def mouseMoveEvent(self, e):
fn = getattr(self, "%s_mouseMoveEvent" % self.mode, None)
if fn:
return fn(e)
def mouseReleaseEvent(self, e):
fn = getattr(self, "%s_mouseReleaseEvent" % self.mode, None)
if fn:
return fn(e)
def wheelEvent(self, e):
fn = getattr(self, "%s_wheelEvent" % self.mode, None)
if fn:
return fn(e)
def view_mousePressEvent(self, event):
self.lastPos_x = event.pos().x()
self.lastPos_y = event.pos().y()
self.update()
def view_mouseMoveEvent(self, event):
if self.mouse_state == 'RIGHT':
self.makeCurrent()
self.update_camera(mouse_x=event.pos().x(), mouse_y=event.pos().y())
BASEOPENGL.canvas_manager.reset()
self.lastPos_x = event.pos().x()
self.lastPos_y = event.pos().y()
self.update()
def view_mouseReleaseEvent(self, event):
if BASEOPENGL.geometry_manager.vertices is not None:
azi, ele = self.camera.get_azi_ele()
img_qt = BASEOPENGL.geometry_manager.generate_sketch(azi, ele, self.cache_dir)
BASEOPENGL.canvas_manager.canvas_sketch = img_qt
BASEOPENGL.canvas_manager.tmp_canvas_sketch = img_qt
self.draw_img()
self.lastPos_x = event.pos().x()
self.lastPos_y = event.pos().y()
self.update()
def view_wheelEvent(self, event):
if self.vis_point_cloud is not None:
if event.angleDelta().y()>0:
zoom_factor = min(self.zoom_factor+0.1, 1.5)
else:
zoom_factor = max(self.zoom_factor-0.1, 0.75)
ratio = zoom_factor/self.zoom_factor
self.vis_point_cloud = self.vis_point_cloud*ratio
self.zoom_factor = zoom_factor
self.updateSignal.emit()
azi, ele = self.camera.get_azi_ele()
img_qt = BASEOPENGL.geometry_manager.generate_sketch(azi, ele, self.cache_dir)
BASEOPENGL.canvas_manager.canvas_sketch = img_qt
BASEOPENGL.canvas_manager.tmp_canvas_sketch = img_qt
self.draw_img()
def edit_mousePressEvent(self, event):
self.makeCurrent()
if self.mouse_state == 'LEFT':
BASEOPENGL.canvas_manager.set_mouse_xy(mouse_x=event.pos().x(), mouse_y=event.pos().y())
BASEOPENGL.canvas_manager.solve_mouse_event('press')
self.lastPos_x = event.pos().x()
self.lastPos_y = event.pos().y()
self.update()
def edit_mouseMoveEvent(self, event):
self.makeCurrent()
if self.mouse_state == 'LEFT':
BASEOPENGL.canvas_manager.set_mouse_xy(mouse_x=event.pos().x(), mouse_y=event.pos().y())
BASEOPENGL.canvas_manager.solve_mouse_event('move')
self.lastPos_x = event.pos().x()
self.lastPos_y = event.pos().y()
self.update()
def edit_mouseReleaseEvent(self, event):
self.makeCurrent()
BASEOPENGL.canvas_manager.set_mouse_xy(mouse_x=event.pos().x(), mouse_y=event.pos().y())
if self.mouse_state == 'LEFT':
BASEOPENGL.canvas_manager.solve_mouse_event('release')
self.lastPos_x = event.pos().x()
self.lastPos_y = event.pos().y()
self.update()