Re: [racket-users] Re: Arcs and lines being half-drawn

2015-03-26 Thread chia kang ren
http://pasterack.org/pastes/75790 http://pasterack.org/pastes/11360 http://pasterack.org/pastes/10455 -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-user

[racket-users] Re: Arcs and lines being half-drawn

2015-03-26 Thread chia kang ren
Here is a clearer photo. In the original (and working) graphical editor you can select the entities to highlight them in red. The entities are weirdly cut off. The top left arc is cut off in the middle! Have since commented out (define draw-line ..), but the problem still persists. -- You rece

Re: [racket] newb: implementation of select items

2015-01-24 Thread Chia Kang Ren
I have been working on and off on this graphical editor, and i seem to come across a recurring problem that my initial ideas for the program design weren’t sound, and i have to go back one or two things. This affects the rest of the system and forces me to modify a lot other functions. One examp

[racket] newb: implementation of select items

2014-12-22 Thread chia kang ren
I wish to draw onto a canvas, select certain objects using a (repaint the selected objects red) self-implemented select method, and delete them (undo if done wrongly) with, small misc. features like zooming in and out, dragging the canvas to view different areas. I've gotten so far as mimicking a g