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Feb 17, 2014 . 1 changed file with 2 additions and 2 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,5 +1,5 @@ # The function ds() below reads a Sixel graphics file and creates an RGB Image, # which can then be displayed and processed using the Image package. # Public domain example code. using Color, Images, ImageView -
Feb 17, 2014 . 1 changed file with 112 additions and 1 deletion.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -157,4 +157,115 @@ function pass1(sf::SixelFile, p::Array{RGB,1}) if !sf.hd; sixel(sf); continue; end if c=='$' if bc>sf.bc; sf.bc=bc; end bc = 0 sixel(sf) elseif c=='-' if bc>sf.bc; sf.bc=bc; end sf.lc += 1 bc = 0 sixel(sf) elseif c=='#' color(sf,p) elseif c=='!' k = number(sf) bc += k sixel(sf) else bc += 1 sixel(sf) end end end function putsixel(sf::SixelFile, img::Image, col::Array, lc::Int, bc::Int, k::Int) msk::Uint8 ic::Uint8 msk = 0x01 ic = int(sf.c)-63 xs = size(img.data,2) ys = size(img.data,3) for j=1:6 if ic&msk>0 for i=1:k x = bc+i y = lc*6+j if x<=xs && y<=ys; img[:,x,y] = col; end end end msk <<= 1 end end # put the sixels in the image function pass2(sf::SixelFile, img::Image, p::Array) bc::Int lc::Int bc = 0 lc = 0 sf.ip = 0 sf.hd = false sf.err = false col = getcolor(1,p) sixel(sf) while !sf.err c = sf.c if c=='\e' || c=='\u90' || c=='\u9c' if sf.hd; break; end header(sf) c = sf.c end if !sf.hd; sixel(sf); continue; end if c=='$' bc = 0 sixel(sf) elseif c=='-' lc += 1 bc = 0 sixel(sf) elseif c=='#' color(sf) col = getcolor(sf.cp, p) elseif c=='!' k = number(sf) putsixel(sf, img, col, lc, bc, k) bc += k sixel(sf) else putsixel(sf, img, col, lc, bc, 1) bc += 1 sixel(sf) end end end function ds(filnam::String, bg::Int=0) sf = SixelFile() readSixels(sf, filnam) p = vt340_palette() pass1(sf,p) if sf.err; return sf; end if sf.pars[6]>0; xs = sf.pars[6]; else; xs = sf.bc; end if sf.pars[7]>0; ys = sf.pars[7]; else; ys = sf.lc*6; end img = Image(Array(Uint8,3,xs,ys), ["limits"=>(0x00,0xff), "colordim"=>1, "spatialorder"=>["x","y"], "colorspace"=>"RGB"]) if bg==0 clear(sf, img, getcolor(1,p)) elseif bg==1 clear(sf, img, [0, 0, 0]) elseif bg==2 clear(sf, img, [0xff, 0xff, 0xff]) end pass2(sf, img, p) display(img) img end # img = ds("") # imwrite(img,"") -
Feb 17, 2014 . 1 changed file with 5 additions and 112 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,3 +1,7 @@ # The function ds() below reads a Sixel graphics file, and creates an RGB Image, # which can then be displayed and processed using the Image library. # Public domain example code. using Color, Images, ImageView function vt340_palette() @@ -153,115 +157,4 @@ function pass1(sf::SixelFile, p::Array{RGB,1}) if !sf.hd; sixel(sf); continue; end if c=='$' if bc>sf.bc; sf.bc=bc; end
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Feb 17, 2014 . 1 changed file with 0 additions and 22 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,22 +0,0 @@ -
Feb 17, 2014 . 1 changed file with 22 additions and 0 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,22 @@ The rs.jl package is licensed under the MIT "Expat" License: > Copyright (c) 2014: Erik Olofsen. > > Permission is hereby granted, free of charge, to any person obtaining > a copy of this software and associated documentation files (the > "Software"), to deal in the Software without restriction, including > without limitation the rights to use, copy, modify, merge, publish, > distribute, sublicense, and/or sell copies of the Software, and to > permit persons to whom the Software is furnished to do so, subject to > the following conditions: > > The above copyright notice and this permission notice shall be > included in all copies or substantial portions of the Software. > > THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. > IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY > CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, > TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE > SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,267 @@ using Color, Images, ImageView function vt340_palette() pal = RGB[] push!(pal, RGB(0.00, 0.00, 0.00)) push!(pal, RGB(0.20, 0.20, 0.80)) push!(pal, RGB(0.80, 0.13, 0.13)) push!(pal, RGB(0.20, 0.80, 0.20)) push!(pal, RGB(0.80, 0.20, 0.80)) push!(pal, RGB(0.20, 0.80, 0.80)) push!(pal, RGB(0.80, 0.80, 0.20)) push!(pal, RGB(0.53, 0.53, 0.53)) push!(pal, RGB(0.26, 0.26, 0.26)) push!(pal, RGB(0.33, 0.33, 0.60)) push!(pal, RGB(0.60, 0.26, 0.26)) push!(pal, RGB(0.33, 0.60, 0.33)) push!(pal, RGB(0.60, 0.33, 0.60)) push!(pal, RGB(0.33, 0.60, 0.60)) push!(pal, RGB(0.60, 0.60, 0.33)) push!(pal, RGB(0.80, 0.80, 0.80)) pal end type SixelFile s::Array{Uint8} nc::Int lc::Int bc::Int ip::Int cp::Int c::Char hd::Bool err::Bool pars::Array{Int} function SixelFile() new(zeros(Uint8,0), 0, 0, 0, 0, 1, '\0', false, false, zeros(Int,7)) end end function readSixels(sf::SixelFile, filnam::String) f = open(filnam,"r") sf.s = read(f,Uint8,filesize(filnam)); sf.nc = length(sf.s) close(f) end function sixel(sf::SixelFile) while true sf.ip += 1 if sf.ip>sf.nc; sf.err=true; return; end sf.c = sf.s[sf.ip] if sf.c=='\e' || sf.c>' '; break; end end end function number(sf::SixelFile) k = 0 while true sixel(sf) if sf.err; return -1; end if sf.c<'0' || sf.c>'9'; return k; end k = k*10 + (int(sf.c)-int('0')); end end function header(sf::SixelFile) if sf.c=='\e' sixel(sf) if sf.c!='P'; return; end end ip = 0 while true n = number(sf) if sf.err; return; end if sf.c=='q'; break; end ip += 1 sf.pars[ip] = n end sixel(sf) if sf.err; return; end if sf.c=='"' ip = 3 while true n = number(sf) if n<0; break; end ip += 1 sf.pars[ip] = n if sf.c!=';'; break; end end end sf.hd = true end function color(sf::SixelFile) k = number(sf) k = rem(k,16) sf.cp = k+1 if sf.c!=';'; return; end d = number(sf) if sf.c!=';'; return; end r = number(sf) if sf.c!=';'; return; end g = number(sf) if sf.c!=';'; return; end b = number(sf) end function color(sf::SixelFile, p::Array) k = number(sf) k = rem(k,16) sf.cp = k+1 if sf.c!=';'; return; end d = number(sf) if sf.c!=';'; return; end r = number(sf) if sf.c!=';'; return; end g = number(sf) if sf.c!=';'; return; end b = number(sf) if d==1 p[sf.cp] = convert(RGB, HSL((r+240)%360, b/100, g/100)) elseif d==2 p[sf.cp] = RGB(r/100,g/100,b/100) end end function getcolor(cp, p::Array{RGB,1}) [iround(p[cp].r*255), iround(p[cp].g*255), iround(p[cp].b*255)] end function clear(sf::SixelFile, img::Image, col::Array) for j=1:size(img.data,3), i=1:size(img.data,2) img[:,i,j] = col end end # get dimensions and colors function pass1(sf::SixelFile, p::Array{RGB,1}) sf.lc = 0 sf.bc = 0 sf.ip = 0 sf.hd = false sf.err = false bc = 0 sixel(sf) while !sf.err c = sf.c if c=='\e' || c=='\u90' || c=='\u9c' if sf.hd; break; end header(sf) c = sf.c end if !sf.hd; sixel(sf); continue; end if c=='$' if bc>sf.bc; sf.bc=bc; end bc = 0 sixel(sf) elseif c=='-' if bc>sf.bc; sf.bc=bc; end sf.lc += 1 bc = 0 sixel(sf) elseif c=='#' color(sf,p) elseif c=='!' k = number(sf) bc += k sixel(sf) else bc += 1 sixel(sf) end end end function putsixel(sf::SixelFile, img::Image, col::Array, lc::Int, bc::Int, k::Int) msk::Uint8 ic::Uint8 msk = 0x01 ic = int(sf.c)-63 xs = size(img.data,2) ys = size(img.data,3) for j=1:6 if ic&msk>0 for i=1:k x = bc+i y = lc*6+j if x<=xs && y<=ys; img[:,x,y] = col; end end end msk <<= 1 end end # put the sixels in the image function pass2(sf::SixelFile, img::Image, p::Array) bc::Int lc::Int bc = 0 lc = 0 sf.ip = 0 sf.hd = false sf.err = false col = getcolor(1,p) sixel(sf) while !sf.err c = sf.c if c=='\e' || c=='\u90' || c=='\u9c' if sf.hd; break; end header(sf) c = sf.c end if !sf.hd; sixel(sf); continue; end if c=='$' bc = 0 sixel(sf) elseif c=='-' lc += 1 bc = 0 sixel(sf) elseif c=='#' color(sf) col = getcolor(sf.cp, p) elseif c=='!' k = number(sf) putsixel(sf, img, col, lc, bc, k) bc += k sixel(sf) else putsixel(sf, img, col, lc, bc, 1) bc += 1 sixel(sf) end end end function ds(filnam::String, bg::Int=0) sf = SixelFile() readSixels(sf, filnam) p = vt340_palette() pass1(sf,p) if sf.err; return sf; end if sf.pars[6]>0; xs = sf.pars[6]; else; xs = sf.bc; end if sf.pars[7]>0; ys = sf.pars[7]; else; ys = sf.lc*6; end img = Image(Array(Uint8,3,xs,ys), ["limits"=>(0x00,0xff), "colordim"=>1, "spatialorder"=>["x","y"], "colorspace"=>"RGB"]) if bg==0 clear(sf, img, getcolor(1,p)) elseif bg==1 clear(sf, img, [0, 0, 0]) elseif bg==2 clear(sf, img, [0xff, 0xff, 0xff]) end pass2(sf, img, p) display(img) img end # img = ds("") # imwrite(img,"")
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