class CompareSequences(QMainWindow):
def __init__(self):
super(CompareSequences, self).__init__()
self.setWindowTitle('Compare Sequences')
self.setFixedHeight(125)
self._ledit1 = QLineEdit()
self._btn_pick_1 = QPushButton('...')
self._ledit2 = QLineEdit()
self._btn_pick_2 = QPushButton('...')
self._btn_compare = QPushButton('Compare')
self._progress_bar = QProgressBar(self.statusBar())
self._setup_ui()
self._set_connections()
def _compare(self):
self._toggle_ui()
src_one = self._ledit1.text()
src_two = self._ledit2.text()
# TODO: put in some checks for valid sequences
if not (src_one and src_two):
msg = 'Please pick proper sequences.'
print msg
nuke.message(msg)
else:
read1 = nuke.createNode('Read', inpanel=False)
read1.knob('file').fromUserText(src_one)
read2 = nuke.createNode('Read', inpanel=False)
read2.knob('file').fromUserText(src_two)
read2.setXYpos(read1.xpos() + 100, read1.ypos())
if not (read1.width() == read2.width() and read1.height() == read2.height()):
msg = 'Sequences are not the same resolution.'
print msg
nuke.message(msg)
else:
# TODO: check for same resolution
m = nuke.createNode('Merge2', inpanel=False)
m.knob('operation').setValue(6)
m.setXYpos(read1.xpos(), read2.ypos() + 100)
m.setInput(0, read1)
m.setInput(1, read2)
c = nuke.createNode('CurveTool', inpanel=False)
c.knob('operation').setValue(3)
c.knob('ROI').fromDict(
{
'x': 0,
'y': 0,
'r': read1.width(),
't': read1.height()
}
)
v = nuke.createNode('Viewer')
check = False
frame = None
first = read1.knob('first').value()
last = read1.knob('last').value()
self._progress_bar.setRange(first, last)
for i in range(first, last + 1):
self._progress_bar.setValue(i)
nuke.execute(c, i, i)
data = c.knob('maxlumapixvalue').animations()
check = False
for curve in data:
if not curve.constant():
check = True
frame = i
break
if check:
break
if not check:
msg = 'There is no difference.'
else:
msg = 'There is a difference at frame %d.' % frame
nuke.message(msg)
self._progress_bar.reset()
self._toggle_ui()
def _pick_sequence(self):
btn = self.sender()
le_btn_pair = {
self._btn_pick_1: self._ledit1,
self._btn_pick_2: self._ledit2
}
clip_path = nuke.getClipname('Pick Sequence to compare')
le_btn_pair[btn].setText(clip_path)
def _set_connections(self):
self._btn_pick_1.released.connect(self._pick_sequence)
self._btn_pick_2.released.connect(self._pick_sequence)
self._btn_compare.released.connect(self._compare)
def _setup_ui(self):
self._btn_pick_1.setFixedWidth(25)
self._btn_pick_1.setToolTip('Pick first sequence.')
self._btn_pick_2.setFixedWidth(25)
self._btn_pick_2.setToolTip('Pick second sequence.')
self._btn_compare.setToolTip('Compare sequences.')
self._progress_bar.setFixedHeight(10)
lyt_seq1 = QHBoxLayout()
lyt_seq1.addWidget(self._ledit1)
lyt_seq1.addWidget(self._btn_pick_1)
lyt_seq2 = QHBoxLayout()
lyt_seq2.addWidget(self._ledit2)
lyt_seq2.addWidget(self._btn_pick_2)
lyt_main = QVBoxLayout()
lyt_main.addLayout(lyt_seq1)
lyt_main.addLayout(lyt_seq2)
lyt_main.addWidget(self._btn_compare)
main_widget = QWidget()
main_widget.setLayout(lyt_main)
self.setCentralWidget(main_widget)
def _toggle_ui(self):
self._ledit1.setEnabled(not self._ledit1.isEnabled())
self._ledit2.setEnabled(not self._ledit2.isEnabled())
self._btn_pick_1.setEnabled(not self._btn_pick_1.isEnabled())
self._btn_pick_2.setEnabled(not self._btn_pick_2.isEnabled())
self._btn_compare.setEnabled(not self._btn_compare.isEnabled())
