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image_morphing_gui.py
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/
image_morphing_gui.py
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from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QWidget, QPushButton, QLabel, QHBoxLayout, QGridLayout, QCheckBox, QMessageBox
from PyQt5.QtGui import QPainter, QPen, QColor, QPixmap, QFont
from warp import calculateDelaunayTriangles, draw_triangulation
from cvhelper import cv_toQimage, sample_rect, q_toCVimage
class ImageDrawLabel(QLabel):
def __init__(self, pts, pm):
super(ImageDrawLabel, self).__init__()
self.points = pts
self.qPixmap = pm
self.is_show_tri = 1 # 0 for not show, 1 for show
self.setFixedSize(pm.size())
self._initUI()
img = self.qPixmap.toImage()
cvim = q_toCVimage(img)
size = cvim.shape
rect = (0, 0, size[1], size[0])
ptlist = [(p.x(), p.y()) for p in self.points] + sample_rect(rect, 1)
delaunay_indexes = calculateDelaunayTriangles(rect, ptlist)
self.tri_img = draw_triangulation(cvim, ptlist, delaunay_indexes)
self.qtri_img = cv_toQimage(self.tri_img)
# self.updateImage()
pass
def _initUI(self):
self.setAlignment(Qt.AlignCenter)
pass
# def updateImage(self):
# font = QFont("宋体", 20, QFont.Black, True)
# painter = QPainter(self)
# pixmap = QPixmap(self.size())
# pixmap.fill(Qt.white)
# painter.begin(pixmap)
#
#
# if self.is_show_tri:
# painter.drawPixmap(self.rect(), QPixmap(
# self.qtri_img.scaled(self.size(), Qt.IgnoreAspectRatio, Qt.SmoothTransformation)))
# else:
# painter.drawPixmap(self.rect(), self.qPixmap)
#
# pen = QPen()
# pen.setCapStyle(Qt.RoundCap)
# pen.setWidth(10)
# pen.setBrush(QColor(255, 0, 0))
# painter.setRenderHint(QPainter.Antialiasing, True)
# painter.setFont(font)
# for i, pos in enumerate(self.points):
# pen.setBrush(QColor(255, 0, 0))
# painter.setPen(pen)
# painter.drawPoint(pos)
# pen.setBrush(QColor(218, 112, 214))
# painter.setPen(pen)
# painter.drawText(pos, str(i))
#
# painter.end()
# self.setPixmap(pixmap)
def paintEvent(self, QPaintEvent):
font = QFont("宋体", 20, QFont.Black, True)
painter = QPainter(self)
if self.is_show_tri:
painter.drawPixmap(self.rect(), QPixmap(self.qtri_img.scaled(self.size(), Qt.IgnoreAspectRatio, Qt.SmoothTransformation)))
else:
painter.drawPixmap(self.rect(), self.qPixmap)
pen = QPen()
pen.setCapStyle(Qt.RoundCap)
pen.setWidth(10)
pen.setBrush(QColor(255, 0, 0))
painter.setRenderHint(QPainter.Antialiasing, True)
painter.setFont(font)
for i, pos in enumerate(self.points):
pen.setBrush(QColor(255, 0, 0))
painter.setPen(pen)
painter.drawPoint(pos)
pen.setBrush(QColor(218, 112, 214))
painter.setPen(pen)
painter.drawText(pos, str(i))
class ImagePreviewWidget(QWidget):
def __init__(self, lpts, rpts, lpm, rpm):
super(ImagePreviewWidget, self).__init__()
self.lpts, self.rpts = lpts, rpts
self.lpm, self.rpm = lpm, rpm
self.image_ratio = 5
self._initUI()
self.show_triangulation.stateChanged.connect(self.updateTriangulation)
self.button_download.clicked.connect(self._download)
pass
def _initUI(self):
layout = QGridLayout()
self.show_triangulation = QCheckBox("显示三角化")
self.show_triangulation.setChecked(True)
self.button_download = QPushButton("下载")
self.button_start_morphing = QPushButton("开始融合")
self.button_start_morphing.setMinimumSize(200, 50)
hbo = QHBoxLayout()
hbo.addStretch(1)
hbo.addWidget(self.button_start_morphing)
hbo.addWidget(self.show_triangulation)
hbo.addWidget(self.button_download)
hbo.addStretch(1)
layout.setRowStretch(0, 1)
layout.setRowStretch(1, self.image_ratio)
layout.addLayout(hbo, 0, 0, 1, 2)
self.leftim = ImageDrawLabel(self.lpts, self.lpm)
layout.addWidget(self.leftim, 1, 0)
self.rightim = ImageDrawLabel(self.rpts, self.rpm)
layout.addWidget(self.rightim, 1, 1)
self.setLayout(layout)
def updateTriangulation(self, state):
self.leftim.is_show_tri = state
self.rightim.is_show_tri = state
self.update()
def _download(self):
import time
import cv2
import os
# 取当前时间
dir_name = time.strftime('%Y%m%d_%H%M%S', time.localtime(time.time()))
dir_name = os.path.join('triangulation', dir_name)
if not os.path.exists(dir_name):
os.makedirs(dir_name)
cv2.imwrite(os.path.join(dir_name, 'left.jpg'), self.leftim.tri_img)
cv2.imwrite(os.path.join(dir_name, 'right.jpg'), self.rightim.tri_img)
self.msgbox = QMessageBox()
self.msgbox.setText("下载至:{0}".format(dir_name))
self.msgbox.show()