将图像转成ASCII艺术转换的C++实现
将图像转成ASCII艺术转换的C++实现
C/C++ 图片处理
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详细介绍
ASCII ART
C++ implementation of image to ASCII art conversion.
The main functionality is in ascii_art in ascii_art.h. For general inputs I use stb_image_resize.h to resize the input. Otherwise, the only dependency is the standard library.
There are three executable demos exposing this:
image2ascii
Convert an input image into ASCII art
For example, if you issue:
./image2ascii ../max-schmeling.jpg
You'll see:
______
__qMMMMMMMMMMp___
_qMMMMMMMMMMMMMMMQQp_
_QMMMMMMMMMMQMMMMMMMQMQ_
_QMMMMMMMMMMMMMMMMMMMMMMQy
qMMMMMME``` `""""#WMMMMMMQ#_
qMMMMMQE@` `@MMMMp
qMMMMME@"` _@MMMp
_qQMMMME"`__p_____ ___MW^
_qMD?,3ME"`@@@7_QMM@ qQMMMQ
@MM qM@` 7 `` -"7WE@@
"QMp _E@` " -@
_QMM_ Q@_ "` @
qMMMMQpj@@ -__;) `_
@MMMMMMQp@" ` @__ _'
@MMMMMMQ@_` ,=--,,,_@" j
`7MMMMQMpjj` _qp_@-`j@_
"MMMMpMQpp__`````_pqp@@@`"-,_ _qMMMMMQp_
@MMMQp"7MQp___;_jQF```` `"--,__ _pQqqMMMMMMMMMMp_
MMMMM_ `7WWWMW^ __g@@@=--u__ MMMMMMMMMMMMMMMMp
_QMMMMMMp__ _,.- -"@@@@"` `"@@_ MMMMMMMMMMMMMQMMp
_qMMMMMMMMMMQ_ ``` ``"`` `MQp_ dMMMQQMMMMMQQQMMMp
_qMMMMMMMMMMMMMp ,,` ``` `TMMp_MMMMQQ@QMMMMMMMMQ
_qQMMMMMMMMMMMMMMMMp-"" ` "MMMMMMMQ@""@MMMMMMMMp
__g@@qQMMMMMMMMMMMMMMMMMp _QMMMMMMQQp_@QQMMMMMM"
_q@@@@@MMMMMMMMMQMMMMMMMMMp;. "MMMMMMQMMMQMQMMMMMM#
#@@@@@qMMMMMMMMQQQQqQQMMM# MMMMMMMMMQMQMQMMMMM`
_qQ@@@_qMMMMMMMMMMMQMMQQQME ` _` `9MMMMMMMMMMMMQMMMM
gQ@@@qMMMMMMMMMMMMMMMMMW7`_p_` _p_ qMMQMMMMMQMMMMMMF
q#M@@qMMMQMMQQMQMMMMMW" `=Q__ _jQp `MMMMQMQMMMQQME"
qpE@@@MMMMMQMQMMMQQMb J@@` `@MMQ_ 7MMQMMMMMWQMM_
Q#Q@@@@@MMQ@FMQMMQMD j@@-` `"WWMQ_ `MMQ``7T7QMEMp
QMQQQ@@qMME@j-:`WWE `@_` Mp_ q#M@";"@@@@@Mp
qMpQQ@_QQQ@__j"` _@ _@@_ ____ 9Qp_ q#@@;`"@@@"jMMp
"M#QE@QMME@@_ - -j@_ `j@@@` "@@@ ; `JMQp_ q#@`` _@@@@Q#
q#Q@qMQQy""`_ ;@qp@`` "@@@@` `@QMMp_ qM@````""@Q@@Q#
qMQQMME@j_-`@"%_qMp___ __; @"`"` ``` __@QMMMQp jqQ@__ ```_@QQQ#
#QQMMEp@@"-"-`@@#ME@@_@@"` `;``` ```""@@MMMMMMp__#p@"`__j@@@QM#
qMQMMME@_`""-_`j@#MMQ@@@j"` `;"` ```"@QMMMMMMMMpFMQp@j@@Q@@@Q#
QMMMQM@@-@%""- jqMMQQ@@@@@@` `_`` ``"@Q"MMMMMMMMMQpQQ_QW@@@@Q`
qMMMQQ@p@@j_ "-_@qQMMQ@@@@@@__- `--` ```"@Q_`@MMMMMMMMMQQQMMp@@@
_QMMMQQQ@@__""%_j@MMMMQQQ@@@@@@_` "``` ` ``""@Qp "MMMMMMMMMMMME"`
qMMMQQQQ@@@_@"__@QQMQQMMQ@@@@@@____";`` ```"_@g_ `@MMMMMMMMMME`
QMQQMQQQ@@@@@j@jQQKMMMQQQQQQ@@@@@@@j@___` ```` ___pqMQQ# `?MMMMMMME@
MMMMMMMQ@@@@j@@QQ# qMMQQQMQQQQQ@@@@_@p@@_ _______pQQMQMMMMMEMy `"7T"`
"MMMQE@@@@@@@qQQK qMMQQQQQQQQQQ____QQppQqMMQMMQMMMMMM#QQpQWQQM#_
MMQp@@@@@@qQW" "MMMMMMMMMQQMQQQQQMEEMMMMQQQqqQWQ#QMQMMMMQQQQQp
`MMMQQQ___QF` qMMMQMMMM#QMpQQQMQM##QMMQQQQMMMMM#QQQpQQMMMMMMQp_
7MMMMQMMW" qMQQMQQMMMMMMp#MMQMMMMMQMMQQQMQMMMMQMMMMMMMMMMMMp
`7WWF" qMMMQQQQQQQQQQQQQQQQQMMMMMMMMMMMMMMMMQQMMMMMMMMMMp_
qMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMQQMMQMMMMMMMMMMMM#_
_QMMMMMMMMMMMMMMQMMMMMMMMMMMMMMMMMMMMMMMMMMMMMQMMMMMMp
qMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMQQQMMMMMMMMMMMMMMMMMMM_
QMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMQQMMMMMM#
_QMMMMMMMMMMMMMMMMQMMMMMMMMMMMMMMMMMMMMMMMMMMQMMMMMMMMMM
spy
Visualize a matrix similar to MATLAB's spy command, but as ASCII art. This command constructs the cotangent Laplacian of an input triangle mesh and visualizes this sparse matrix to the terminal:
For example, if you issue:
./spy ../suzanne.obj
You'll see:
', _, ,.i . . ~`7^*==,i,_____ . i .__ `*=<___ .__ j,i.
', u ^"`77"`**~==CkiQ______ "``*~=k,___
', `7W~~8W2,Q`j?j___" ' __" 7=JTQ@j_"" _
', _ _ ``7"*>~=wci, j _ _ 7^%wmi
', `^*=a___,_u, , "w___, .
', `^v=L__` ` __ ," `^=_]"_
', `^6AQ_g_ ^k__
', `7*=aQ_x m_+ `
', j& *-~ `7*w,_,- * ~ _ ^qp" - s"-
', `7*=upp_^ ` ^wx=
', __ `7^=uQ_^ 7wQt
', ``7">~~=<i,,___ `7*=i__
', ,,___ ``7^*~=<i `^*=i__
', ```7^~~=ii,____ `^*=.__
, ( , , '_ . ``7"^~ _. _ `"~
) L _ } 9__ J - _ ? 3_< "
` d [ ^ _ j nAg . ] _ 5_
L (_ _ 3y _? _ 3_ _/
-p \ b - 9_<`_ \6_
`K 5_ { _ /<Rp \ ^
]] _C[ d ( ` 5gr " ` " 3e `"
^j `?_ * ` " B_ y- g 3_- -
(p ] y yM_" _> A* _ "
'!) ""7p } " - \ 0_<_, - \</ -
' [ :"j 3 : C_BQ. _ K,
O q"p _x ` 9_ V, \>y
_ _j b ___jQ< q\
\"p ) U_ ] j~ - ` ~5_y ^_
_ ; % - V d ; ~ / TR__ _, _,, 7
b J_ " `Wg_ l \_"
j ;1 b s ?WQ _ T,_
M ?__ ) " jp \.
)[ \ j "y, ` Mp u _ \ ^ , r
}b p " _* Mp_y V/ f
q) # p _JR_ :_> y _ "
({ p ) ` < 9p ~ _ p` p ^
d " 3 [ " 8p___ b_C
d y d -5Q` "Q
_Rp =0 _ r .-"`Rg @ _
p ! p ) ? AQ E
j # C q [ `_Y` Bp y^ y_6
`# ? :p " ?` : 9p . @/
d y J3 p y* ?_ y
V ?y 7Pe__ ',
M__ " _ \ "` L7x__ ',
l) k _ _Mm_ ',
`4 ~ \ \ >~ ` "^e__ ',
_F C\ _ , - .<=*q_ ',
\.L _- \ \ _,- 7^m_ ',
I _ j\ _ jw^"<_ ',
) L _ . \ `?<_ . ^` ',
y Gg _ _ JD<_ ` ` ',
Q) = fb \ =. .R[7w_ ',
'q "/_ *` " `b&_ ',
['L ")!p ( ` , ^ Te_ ',
U v"_ p < ` P<__ ',
j"p - T_ l L~ `^`~>q_ ',
ascii3d
Ray trace an input 3D triangle mesh or 3D scene as ASCII art.
For example if you issue,
./ascii3d ../suzanne.obj
You'll see:
_____mmmmmmmmmm_____
__p@@@@"""""""""""""""@@@m__
_g@@@"`___`` `` ``___`"@@@p_
_d@@@@_j"` `%_ _/` `"@_@@@@@_
/@@@@j@` @_ _@ `%@j@@@h
j@j@"` _;````";_ "_ _@ _;"````;_ `"@@@k
-'___ _ _@` __@"`__, ,_ `- `""` ;" _ ,,__`"%__ `@_ _ ___'-
, _QQQQp_^#@@"`` j@_-``-_% ` ` ;_-``"_@@ ```"@@"_qQQQQ__ \
@ j `7QpQ@@_ @@" j_ _) `@@ _j@QQp@` % _
) |`` @@@Qp@@_;_"@@____@@ @@____y@/_;_j@qQE@@ ``j j
@ ,``` @@@@QQp@__@_"R@@@`- `@@@R"_@"_jqQW@@@@ ```, j`
"__~__"@@qQMQQp@j_@@""` `""@@__jqQMMQ@@@"__-"jF
`%m___"@WMMMMMQQQpp____ ____jQQQQMMMMMK@"___p="
`77777``7FWMMQQQQQp__ __ __jQQQQQMMWF7```7777`
7WMQMME__ _pQMMQMW^
3ME@"@mjjpF"@MMK`
@@" "@@
_@@` `"@_
(@" `@]
#@` `@@
``````````````````````````` _@@` `"@p ```````````````````````````
``````````````_________________q@"` _q__p_ `"@p_________________``````````````
````"""""""%%@@@@@q@@___"_``_@____@p@@@@@@%""""""""```
```````Wp__pppppppp__q#"```````
``````77777``````
This ray-tracer is interactive
Try hitting the hjklJK keys to interact with the 3D scene:
Compilation
mkdir build
cd build
cmake ../ -DCMAKE_BUILD_TYPE=Release
make
Demos depends on libigl, stb, Eigen, Embree.
Note
This implementation is hard-coded to work best with Courier New Bold.
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