I want to draw a picture of my sizes

I bought pro tools. Why I can not put my size. Even with regard to the 16: 9 image is not placed more than 1350:2400. Add an infinite canvas and let large or they can be put in a ratio of 16:9 or 4:3 or dimensions are given in number of pixels. I want to draw a picture of my sizes. Better after the draw it will be possible to crop or squeeze under standard sizes.

Ivan9717van about Sketchbook®, v3.5.0