File size: 6,615 Bytes
985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | # ***************************************************************************
# * Copyright (c) 2024 Peter McB *
# * *
# * This file is part of the FreeCAD CAx development system. *
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU Lesser General Public License (LGPL) *
# * as published by the Free Software Foundation; either version 2 of *
# * the License, or (at your option) any later version. *
# * for detail see the LICENCE text file. *
# * *
# * This program 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 Library General Public License for more details. *
# * *
# * You should have received a copy of the GNU Library General Public *
# * License along with this program; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************
__title__ = "FreeCAD result mechanical task panel"
__author__ = "PMcB"
__url__ = "https://www.freecad.org"
## @package view_result_mechanical
# \ingroup FEM
# \brief Create and Place Labels on the screen with an optional image.
import FreeCADGui
from pivy import coin
"""
Place Label on the screen with an optional image.
positions on screen:
(-.9, .9, 0) top left
(.9, .9, 0) upper right
(-.9, -.9, 0) lower left
(.9, -.9, 0) lower right
"""
class createLabel:
def __init__(self, trans, text, image="") -> None:
self.textSep = coin.SoSeparator()
self.cam = coin.SoOrthographicCamera()
self.cam.aspectRatio = 1
self.cam.viewportMapping = coin.SoCamera.LEAVE_ALONE
self.trans = coin.SoTranslation()
self.trans.translation = trans
self.translation = trans
self.color = coin.SoBaseColor()
self.color.rgb = (0, 0, 0)
self.myFont = coin.SoFont()
self.myFont.name = "Arial,FreeSans,sans"
# self.myFont.name = "FreeMono,FreeSans,sans"
self.size = 20 # 24
self.myFont.size.setValue(self.size)
self.SoText2 = coin.SoText2()
self.SoText2.string = text
self.textSep.addChild(self.cam)
self.textSep.addChild(self.trans)
self.textSep.addChild(self.color)
self.textSep.addChild(self.myFont)
self.textSep.addChild(self.SoText2)
self.activeDoc = FreeCADGui.ActiveDocument
self.view = self.activeDoc.ActiveView
self.viewer = self.view.getViewer()
self.render = self.viewer.getSoRenderManager()
self.isimage = False
if image != "":
self.add_image(image)
self.isimage = True
self.sup = self.render.addSuperimposition(self.textSep)
self.displayed = True
# get position of label
def get_position(self):
return self.translation
# set position of label
def set_position(self, trans):
self.trans.translation = trans
self.translation = trans
# set font
def set_font(self, font):
self.myFont.name = font
# set font size
def set_font_size(self, font_size):
self.myFont.size.setValue(font_size)
# set text of label
def set_text(self, text):
self.SoText2.string = text
# set colour of label
def set_colour(self, colour):
self.color.rgb = colour
self.textSep.addChild(self.color)
# add or change the image with the label
def add_image(self, image):
self.remove_image()
self.isimage = True
self.myImage = coin.SoImage()
self.myImage.filename.setValue(image)
self.textSep.addChild(self.myImage)
# remove the image
def remove_image(self):
if self.isimage:
# self.myImage = coin.SoImage()
self.textSep.removeChild(self.myImage)
self.isimage = False
# display the label
def display(self):
if not self.displayed:
# display the Superimposition layer with :
self.sup = self.render.addSuperimposition(self.textSep)
self.displayed = True
# hide the label
def hide(self):
# hide the Superimposition layer with :
if self.displayed:
self.render.removeSuperimposition(self.sup)
self.displayed = False
# help
def help(self):
print(
"""
Place Label on the screen with an optional image.
Create an instance:
import CreateLabels as CL
label = CL.creatLabel(<position of label>, <title of label>, <optional image>)
e.g.:
label1 = CL.createLabel( (-0.7, -0.90, 0), "this is text")
label2 = CL.createLabel( (+0.5, -0.90, 0), "this is a image", image = "mesh.jpg")
Positions on screen:
(-.9, .9, 0) top left
(.9, .9, 0) upper right
(-.9, -.9, 0) lower left
(.9, -.9, 0) lower right
The following function are available:
label1.set_position((0.7, 0.50, 0))
pos= label1.get_position()
label1.set_font("FreeMono,FreeSans,sans")
label1.set_font_size(20)
label1.set_text("hello world")
label1.set_colour((0,1,0)) # colour of text
label1.add_image("opera.jpg")
label1.remove_image()
label1.hide() - hide the label
label1.display() - display the label, after hide
"""
)
if __name__ == "__main__":
label1 = createLabel((-0.98, 0.90, 0), "this a new text")
"""
Examples:
import CreateLabels as CL
label1 = CL.createLabel( (+0.5, -0.90, 0), "this is a image", image = "mesh.jpg")
label2 = CL.createLabel( (-0.7, -0.90, 0), "this is text")
label1.set_colour((0,1,0))
label1.remove_image()
label1.add_image("opera.jpg")
label1.set_text("hello world")
label1.set_position((+0.7, 0.50, 0))
label1.set_font("FreeMono,FreeSans,sans")
label1.hide()
"""
|