ref: 06fac9885c8349fe2e06ffdd36817f65adc0fd66
dir: /appl/acme/graph.b/
implement Graph; include "common.m"; sys : Sys; drawm : Draw; dat : Dat; gui : Gui; utils : Utils; Image, Point, Rect, Font, Display : import drawm; black, white, display : import gui; error : import utils; refp : ref Point; pixarr : array of byte; init(mods : ref Dat->Mods) { sys = mods.sys; drawm = mods.draw; dat = mods.dat; gui = mods.gui; utils = mods.utils; refp = ref Point; refp.x = refp.y = 0; } charwidth(f : ref Font, c : int) : int { s : string = "z"; s[0] = c; return f.width(s); } strwidth(f : ref Font, s : string) : int { return f.width(s); } balloc(r : Rect, c : Draw->Chans, col : int) : ref Image { im := display.newimage(r, c, 0, col); if (im == nil) error("failed to get new image"); return im; } draw(d : ref Image, r : Rect, s : ref Image, m : ref Image, p : Point) { d.draw(r, s, m, p); } stringx(d : ref Image, p : Point, f : ref Font, s : string, c : ref Image) { d.text(p, c, (0, 0), f, s); } cursorset(p : Point) { gui->cursorset(p); } cursorswitch(c : ref Dat->Cursor) { gui->cursorswitch(c); } binit() { } bflush() { } berror(s : string) { error(s); }