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#------------------------------------------------------------------------------
# This file is part of the OpenStructure project <www.openstructure.org>
#
# Copyright (C) 2008-2020 by the OpenStructure authors
#
# This library is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 3.0 of the License, or (at your option)
# any later version.
# This library is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#------------------------------------------------------------------------------
# -*- coding: utf-8 -*-
import math
from ost import gui
from ost import gfx
try:
from ost import img
_img_present=True
except ImportError:
_img_present=False
pass
from PyQt5 import QtCore, QtWidgets
from .preset_widget import PresetWidget
class AdditionalSettingsWidget(QtWidgets.QStackedWidget):
def __init__(self, parent=None):
QtWidgets.QStackedWidget.__init__(self, parent)
self.map_widget_ = MapLevelWidget(self)
self.preset_widget_ = PresetWidget(self)
self.addWidget(self.preset_widget_);
self.addWidget(self.map_widget_);
self.setContentsMargins(0,0,0,0)
self.setMinimumSize(self.preset_widget_.minimumSize())
def Update(self):
self.setEnabled(True)
scene_selection = gui.SceneSelection.Instance()
all_img = True
all_entity = True
for i in range(0,scene_selection.GetActiveNodeCount()):
node = scene_selection.GetActiveNode(i)
if not (isinstance(node, gfx.Entity) or isinstance(node, gfx.Surface)):
all_entity = False
if (not _img_present) or (not isinstance(node, gfx.MapIso)):
all_img = False
if all_img:
self.map_widget_.Update()
self.setMinimumSize(self.map_widget_.minimumSize())
self.resize(self.map_widget_.minimumSize())
self.setMinimumSize(self.map_widget_.minimumSize())
self.setCurrentWidget(self.map_widget_)
elif all_entity:
self.preset_widget_.Update()
self.setMinimumSize(self.preset_widget_.minimumSize())
self.resize(self.preset_widget_.minimumSize())
self.setMinimumSize(self.preset_widget_.minimumSize())
self.setCurrentWidget(self.preset_widget_)
else:
self.setEnabled(False)
#Map Level Widget
class MapLevelWidget(QtWidgets.QWidget):
def __init__(self, parent=None):
QtWidgets.QWidget.__init__(self, parent)
#Create Ui elements
self.map_level_label_ = QtWidgets.QLabel("Map Contour Level")
self.font = self.map_level_label_.font()
self.font.setBold(True)
self.level_preview_ = LevelPreview()
self.level_spinbox_ = QtWidgets.QDoubleSpinBox()
self.level_spinbox_.setDecimals(3)
self.level_spinbox_.setSingleStep(0.05)
grid = QtWidgets.QGridLayout()
grid.setContentsMargins(0,5,0,0)
grid.addWidget(self.level_preview_, 0, 0, 1, 4)
grid.addWidget(self.map_level_label_, 1, 0, 1, 3)
grid.addWidget(self.level_spinbox_,1,3,1,1)
grid.setRowStretch(3, 1)
self.setLayout(grid)
self.level_preview_.levelUpdated.connect(self.UpdateLevel)
self.level_preview_.levelModified.connect(self.ModifySpinBox)
self.level_spinbox_.valueChanged.connect(self.UpdateLevel)
self.setMinimumSize(250,200)
def Update(self):
scene_selection = gui.SceneSelection.Instance()
if(scene_selection.GetActiveNodeCount()==1):
node = scene_selection.GetActiveNode(0)
if _img_present and isinstance(node, gfx.MapIso):
try:
self.level_preview_.SetBins(node.GetHistogram())
self.level_preview_.SetMinimum(node.GetMinLevel())
self.level_spinbox_.setMinimum(node.GetMinLevel())
self.level_preview_.SetMaximum(node.GetMaxLevel())
self.level_spinbox_.setMaximum(node.GetMaxLevel())
self.level_preview_.SetLevel(node.GetLevel())
self.level_spinbox_.show()
self.font.setBold(True)
self.map_level_label_.setText("Map Contour Level")
self.setEnabled(True)
except UserWarning:
self.font.setBold(False)
self.map_level_label_.setText("Map uniformly filled with level %s"%node.GetLevel())
self.level_spinbox_.hide()
self.setEnabled(False)
else:
self.setEnabled(False)
else:
self.setEnabled(False)
def UpdateLevel(self, level):
scene_selection = gui.SceneSelection.Instance()
if(scene_selection.GetActiveNodeCount()==1):
node = scene_selection.GetActiveNode(0)
node.SetLevel(level)
def ModifySpinBox(self, level):
self.level_spinbox_.valueChanged.disconnect(self.UpdateLevel)
self.level_spinbox_.setValue(level)
self.level_spinbox_.valueChanged.connect(self.UpdateLevel)
#Level Preview
class LevelPreview(QtWidgets.QWidget):
levelUpdated = QtCore.pyqtSignal(int, name="levelUpdated")
levelModified = QtCore.pyqtSignal(int, name="levelModified")
def __init__(self, parent=None):
QtWidgets.QWidget.__init__(self, parent)
#Defaults
self.border_offset_ = 3
self.preview_height_ = 150
QtWidgets.QWidget.__init__(self, parent)
#Ui
self.setMinimumSize(0, self.preview_height_ + 4)
self.bins_ = None
self.level_ = 0
self.minimum_ = 0
self.maximum_ = 0
self.paint_mouse_=False
def SetBins(self, bins):
self.bins_ = bins
self.update()
def SetMaximum(self, max):
self.maximum_ = max
def SetMinimum(self, min):
self.minimum_ = min
def SetLevel(self, level):
self.level_ = level
def GetLevel(self):
return self.level_
def paintEvent(self, event):
if self.isEnabled() and self.bins_ is not None:
painter = QtWidgets.QPainter()
if painter.begin(self):
self.PaintBackground(painter)
self.PaintBins(painter)
self.PaintLevel(painter)
if(self.paint_mouse_):
self.PaintMouse(painter)
painter.end()
def PaintBackground(self,painter):
size = self.size()
painter.setBrush(QtCore.Qt.white)
painter.setPen(QtCore.Qt.white)
painter.drawRect(self.border_offset_,
self.border_offset_,
size.width() - 2 * self.border_offset_,
self.preview_height_)
def PaintBins(self,painter):
size = self.size()
bin_cnt = len(self.bins_)
bin_width = (size.width()-2* self.border_offset_) / float(bin_cnt)
max=0
for b in self.bins_:
if(b>max):
max = b
max = math.log(max)
if(max > 0):
painter.setBrush(QtCore.Qt.black)
painter.setPen(QtCore.Qt.black)
for i in range(0,bin_cnt):
bin_height = self.bins_[i]
if(bin_height>0):
bin_height = math.floor((math.log(bin_height)/max)*(self.preview_height_-2*(self.border_offset_)))
painter.drawRect(self.border_offset_ + (i*bin_width),
self.preview_height_ - bin_height,
bin_width,
bin_height)
def PaintLevel(self,painter):
size = self.size()
width = size.width()-(2* self.border_offset_)
tot_len = self.maximum_-self.minimum_
if(tot_len>0):
cur_len = self.level_-self.minimum_
painter.setBrush(QtCore.Qt.red)
painter.setPen(QtCore.Qt.red)
painter.drawRect((width / tot_len) * cur_len,
self.border_offset_,
1,
self.preview_height_)
def PaintMouse(self,painter):
size = self.size()
width = size.width()-(2* self.border_offset_)
painter.setBrush(QtCore.Qt.gray)
painter.setPen(QtCore.Qt.gray)
pos=self.mapFromGlobal(QtWidgets.QCursor.pos())
painter.drawRect(pos.x(),
self.border_offset_,
1,
self.preview_height_)
def mouseReleaseEvent(self, event):
self.paint_mouse_=False
size = self.size()
width = size.width()-(2* self.border_offset_)
tot_len = self.maximum_-self.minimum_
self.level_ = self.minimum_ + float(event.x())/width * tot_len
self.update()
self.levelUpdated.emit(self.level_)
def mousePressEvent(self,event):
self.paint_mouse_=True
def mouseMoveEvent(self, event):
size = self.size()
width = size.width()-(2* self.border_offset_)
tot_len = self.maximum_-self.minimum_
level = self.minimum_ + float(event.x())/width * tot_len
self.levelModified.emit(level)
self.update()
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