Not logged in.  Login/Logout/Register | List snippets | | Create snippet | Upload image | Upload data

16
LINES

< > BotCompany Repo | #104 // Zoomer

Lua code

1  
function math.round(x) return math.floor(x+0.5) end

2  


3  
newwidth=math.round(width*zoom)



4  
newheight=math.round(height*zoom)



5  
newpixels = {}



6  


7  
for y=0,newheight-1 do



8  
  for x=0,newwidth-1 do



9  
    newpixels[y*newwidth+x+1] = pixels[math.floor(x/zoom)+math.floor(y/zoom)*width+1]



10  
  end



11  
end



12  


13  
width=newwidth



14  
height=newheight



15  
pixels=newpixels



16  
newpixels=nil



        
Author comment

    
zooms an image!

    
test run  test run with input  download  show line numbers   
Travelled to 12 computer(s): aoiabmzegqzx, bhatertpkbcr, cbybwowwnfue, gwrvuhgaqvyk, ishqpsrjomds, lpdgvwnxivlt, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tslmcundralx, tvejysmllsmz, vouqrxazstgt


No comments. add comment
      
      
Image recognition results 

	

	Recognizer
	Recognition Result
	Visualize
	Recalc
	

    
#308 356 [visualize] 

 
   
  

  

    Snippet ID:
    #104
  

  

    Snippet name:
    Zoomer
  

    

    Eternal ID of this version:
    #104/1
  

  

    Text MD5:
    0981701af0d1de6301091126cb049e82
  

    

    Author:
    stefan
  

  

    Category:
    image tools
  

  

    Type:
    Lua code
  

        

    Public (visible to everyone):
    Yes
  

  

    Archived (hidden from active list):
    No
  

  

    Created/modified:
      2014-01-09 01:27:57
  

  

    Source code size:
    356 bytes / 16 lines
  

  

    Pitched / IR pitched:
    Yes / Yes
  

    

    Views / Downloads:
    1336 / 461
  

      

    Referenced in:
[show references]