Computer Graphics Application

controllers

• Left Button Click -> add point
• Right Button Hold -> create rectangle selector
• Left Button Hold -> drag selector to translade
• Shift + Left Button Hold -> rotate selector
• Ctrl + Left Button Hold -> resize selector

notes

• interface.py

  • points are stored in self.points and self.selected_points on the order they were draw on the canvas

  • self.points array store the real value of the pixel, but when ploted with the Interface.update() function it is ronded since there's no float pixel values

  • rotation, scale and reflection take the object center as reference

  • can't have crossed lines/circles

libraries

• tkinter
• math