Cmdgfx.exe在CMD窗口中绘制图形（多边形，圆形等）的程序

Cmdgfx.exe可以在cmd命令行显示一些图形的小程序，喜欢的朋友可以试试，国内介绍的很少，具体的使用方法可以参考官方的文档。

Usage: cmdgfx [operations] [flags] [fgpalette] [bgpalette]

Drawing operations (separated by &):

poly fgcol bgcol char x1,y1,x2,y2,x3,y3[,x4,y4...,y24]
ipoly fgcol bgcol char bitop x1,y1,x2,y2,x3,y3[,x4,y4...,y24]
gpoly palette x1,y1,c1,x2,y2,c2,x3,y3,c3[,x4,y4,c4...,c24]
tpoly image fgcol bgcol char transpchar/transpcol x1,y1,tx1,ty1,x2,y2,tx2,ty2,x3,y3,tx3,ty3[...,ty24]
image image fgcol bgcol char transpchar/transpcol x,y [xflip] [yflip]
box fgcol bgcol char x,y,w,h
fbox fgcol bgcol char x,y,w,h
line fgcol bgcol char x1,y1,x2,y2
pixel fgcol bgcol char x,y
circle fgcol bgcol char x,y,r
fcircle fgcol bgcol char x,y,r
ellipse fgcol bgcol char x,y,rx,ry
fellipse fgcol bgcol char x,y,rx,ry
text fgcol bgcol char string x,y
block mode[:1233] x,y,w,h x2,y2 [transpchar] [transform]
3d objectfile drawmode,drawoption rx,ry,rz tx,ty,tz scalex,scaley,scalez,xmod,ymod,zmod face_culling,z_culling_near,z_culling_far,z_sort_levels xpos,ypos,distance,aspect fgcol1 bgcol1 char1 [...fgcol32 bgcol32 char32]
insert file

Fgcol and bgcol can be specified either as decimal or hex.
Char is specified either as a char or a two-digit hexadecimal ASCII code.
For both char and fgcol+bgcol, specify ? to use existing.
Bitop: 0=Normal, 1=Or, 2=And, 3=Xor, 4=Add, 5=Sub, 6=Sub-n, 7=Normal ipoly.

Image: 256 color pcx file (first 16 colors used), or gxy file, or text file.
If a pcx file is used, transpcol should be specified, otherwise transpchar. Always set transp to -1 if transparency is not needed!

Gpoly palette follows '1233,' repeated, 1=fgcol, 2=bgcol, 3=char (all in hex).
Transform follows '1233=1233,' repeated, ?/x/- supported. Mode 0=copy, 1=move

String for text op has all _ replaced with ' '. Supports a subset of gxy codes.

Objectfile should point to either a plg, ply or obj file.
Drawmode: 0 for flat/texture, 1 for flat z-sourced, 2 for goraud-shaded z-sourced, 3 for wireframe, 4 for flat.
Drawoption: Mode 0 textured=transpchar/transpcol(-1 if not used!). Mode 0/4 flat=bitop. Mode 1/2: 0=static col, 1=even col. Mode 2: put bitop in high byte.

[flags]: 'p' preserve buffer content, 'k' return code of last keypress, 'K' wait and return key, 'e/E' suppress/pause errors,
'wn/Wn' wait/await n ms, 'M[wait]' return key/mouse bit pattern(see mouse examples), 'Zn' set projection depth.