So it appears that when you draw in a drawing area, using commands like (cairo_)move_to and (cairo_)line_to, the path is rendered relative to the top left of the area.
More explicitly, if you try to figure out how far you can draw, the x and y values from get_allocation(...) are not relevant, only the width and height. Or in other words, the location at the top left of the drawing area has coordinates (0, 0) and at the bottom right has coordinates (width, height), rather than (x, y) and (x+width, y+height), at least as far as primitives like move_to and line_to are concerned. This sure seems to be true on my system (debian stretch) using gtk3, but if i'm wrong, please correct me. Also, is this documented anywhere, or am i the only person clueless enough to try to get to the top left by going to the x,y returned by get_allocation, instead of to (0,0)? dan _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
