We closed this forum 18 June 2010. It has served us well since 2005 as the ALPHA forum did before it from 2002 to 2005. New discussions are ongoing at the new URL http://forum.processing.org. You'll need to sign up and get a new user account. We're sorry about that inconvenience, but we think it's better in the long run. The content on this forum will remain online.
Index › Programming Questions & Help › Syntax Questions › algorithm to adapt text into a rectangle, too slow
‹ Previous Topic | Next Topic ›
Page Index Toggle Pages: 1
algorithm to adapt text into a rectangle, too slow (Read 502 times)
mcanet
algorithm to adapt text into a rectangle, too slow
Oct 12th, 2006, 4:41pm  
I have this algorithm to adapt text into a rectangle, but it is too slow. Someone sugest me how improve this code.

Code:

//*********************************************************
// change size to see the behavior
int rectWidth = 250;
int rectHeight = 270;
//*********************************************************
String texto ="Padres don't come up with big hit";
String[] tlines = new String[0];
PFont fuente;
int sizeFontOk;
float _textWidth;
float _textHeight;

void setup(){
  size(350, 350);
  background(0);
  
  fill(255);
  PFont font = loadFont("AgencyFB-Reg-48.vlw");
  int x = 10;
  int y = 10;
  int rectWidth = 100;
  int rectHeight = 150;
  rect(x, y, rectWidth, rectHeight);
  String texto = "El pedro del roque no tiene rabo";
  drawTypo(x, y, rectWidth, rectHeight, texto, font );

}
void drawTypo(int x,int y,int rectWidth,int rectHeight, String texto, PFont font ){
   
  String[] tlines = new String[0];
  int sizeFont = 0;
  boolean w = true;
  float margingLeft,margingTop;
  int temp;
  float _textWidth, _textHeight;

  rectWidth = (int)((float)rectWidth*0.95);
  rectHeight = (int)((float)rectHeight*0.95);
  
  String [] t = texto.split(" ");
  float lineMax=0;
  fill(255,0,0);
  
  while(w){
    sizeFont++;
    
    textFont(font, sizeFont );
   

   if(textWidth(texto)>=rectWidth){
	w = false;
   }
   
   if(!w){
	 textFont(font, sizeFont-1);
   }
   }
   boolean cw = true;
   while(cw){
    sizeFont++;
    textFont(font, sizeFont);
    tlines = new String[1];
    tlines[0] = "";
    int i=0; 
    _textWidth=0;
    for(int e=0;e<t.length;e++){
	 if((textWidth(tlines[i])+textWidth(t[e]) )<=rectWidth ){
	   tlines[i] += t[e]+" ";
	 }else{
	   if(t[e]!="" ||t[e]!=" " ){
	   tlines = expand(tlines,tlines.length+1);
	   i++;
	   tlines[i] = t[e]+" ";
	   }
	 }
	 if(_textWidth < textWidth(tlines[i]) ){_textWidth = textWidth(tlines[i]);}
     }
    
     _textHeight = sizeFont * tlines.length;
     
     if(_textHeight >= rectHeight ){cw = false;println("no massa llarg->" +_textHeight); }  
     //if(_textWidth >= rectWidth ){cw = false;}
   }

   // reendering the last one
   sizeFont = sizeFont-1;
   textFont(font, sizeFont);
   tlines = new String[1];
   tlines[0] = "";
   int i=0;
  _textWidth=0; 
   for(int e=0;e<t.length;e++){
	 if((textWidth(tlines[i])+textWidth(t[e]) )<=rectWidth ){
	   tlines[i] += t[e]+" ";
	 }else{
	   tlines = expand(tlines,tlines.length+1);
	   i++;
	   tlines[i] = t[e]+" ";
	 }
	 if(_textWidth < textWidth(tlines[i]) ){_textWidth = textWidth(tlines[i]);}
     }
   _textHeight = sizeFont * tlines.length;
   if(_textHeight >= rectHeight ){println("no massa llarg 2 ->" +_textHeight); } //
   if(_textWidth >= rectWidth ){println("no massa ample 2 ->" +_textHeight);}
   // height
   temp  = (int)((float)rectWidth /0.95);
   margingLeft = ((float)(temp - rectWidth)/2.0);
   // width
   //temp  = (int)((float)rectWidth /0.95);

   for(int j=0; j<tlines.length; j++){
	text(tlines[j], margingLeft+x, sizeFont*(j+1)+y);
	
   }
   
}

thanks,

Mar
Back to top
 
WWW  
fry
Re: algorithm to adapt text into a rectangle, too
Reply #1 - Oct 12th, 2006, 7:23pm  
why not just use text("blah", x, y, width, height)?
http://processing.org/reference/text_.html

or is that what you're complaining is too slow?
Back to top
 
WWW  
mcanet
Re: algorithm to adapt text into a rectangle, too
Reply #2 - Oct 12th, 2006, 9:10pm  
Yeah, I just discover this behavior of text method thanks.

I'm will improve it.

Thanks a lot Fry.
Back to top
« Last Edit: Oct 13th, 2006, 4:26pm by mcanet »  
WWW  
mcanet
Re: algorithm to adapt text into a rectangle, too
Reply #3 - Oct 13th, 2006, 4:25pm  
This is my new code, too more quick. Would be more quik with using direct a textHeigh method, but I try to look in java graphics api and I don't see it.

Code:

//********************************************************* 
// change size to see the behavior 
int rectWidth = 250; 
int rectHeight = 200; 
//********************************************************* 

String[] tlines = new String[0]; 
PFont fuente; 
int sizeFontOk; 
float _textWidth; 
float _textHeight; 
 
void setup(){ 
  size(350, 350); 
  background(0); 
   
  fill(255); 
  PFont font = loadFont("AgencyFB-Reg-48.vlw"); 
  int x = 0; 
  int y = 0; 

  rect(x, y, rectWidth, rectHeight); 
  String texto = "El pedro del roque no tiene rabo"; 

  drawTypo(x, y, rectWidth, rectHeight, texto, font ); 
 
}  
 
void drawTypo(int x,int y,int rectWidth,int rectHeight, String texto, PFont font ){ 
    
  String[] tlines = new String[0]; 
  int sizeFont = 0; 
  boolean w = true; 
  float margingLeft; 
  int temp; 
  float _textHeight; 
  float descent;
 
  rectWidth = (int)((float)rectWidth*0.95); 
  rectHeight = (int)((float)rectHeight*0.95); 
   
  String [] t = texto.split(" "); 
  
  fill(255,0,0); 
  while(w){ 
   
   sizeFont++; 
    textFont(font, sizeFont); 
    tlines = new String[1]; 
    tlines[0] = ""; 
    int i=0;  

    for(int e=0;e<t.length;e++){ 
    if((textWidth(tlines[i])+textWidth(t[e]) )<=rectWidth ){ 
	tlines[i] += t[e]+" "; 
    }else{ 
	tlines = expand(tlines,tlines.length+1); 
	i++; 
	tlines[i] = t[e]+" "; 
    } 
    }// end for
    
   _textHeight = sizeFont * tlines.length; 
   
   if(_textHeight >= rectHeight ){ w = false;  }
 
   } // end while
   
   temp  = (int)((float)rectWidth /0.95);
   margingLeft = ((float)(temp - rectWidth)/2.0); 
   sizeFont = sizeFont-1;
   textFont(font, sizeFont); 
   textLeading(sizeFont);
   text(texto, margingLeft+x, y, rectWidth, rectHeight);  

}


cheers,

Mar
Back to top
 
WWW  
Page Index Toggle Pages: 1
‹ Previous Topic | Next Topic ›