tint out a picture to a flag but got errors: cannot resolve to variable












0















I have this as an assignment to tint out a picture into kinda like a Dutch flag. But i have a lot of troubles figuring out the way to divide the height into sections. When I did it like below I got lots of errors that mostly says "cannot resolve to a variable".
Here's my code:



/* Assignment 3, Part 2 - Go Dutch! */

public class Assignment3Part2
{
//
public static void main(String args) throws InterruptedException
{
String filename;
if (args.length > 0) {
// got a filename passed into program as a parameter
// don't change this part of the code needed by TA for grading
filename = args[0];
System.out.println("Filename passed in: " + filename);

} else {
// ask user for a picture
filename = FileChooser.pickAFile();
System.out.println("User picked file: " + filename);
}
Picture pic = new Picture(filename); // Picture to modify
//
pic.show(); // Show the original picture
Thread.sleep(1000); // Pause for 1 second. You can pause for less if you like

Pixel pixelArray = pic.getPixels();

// TODO:

for(int x = 0; x < pic.getWidth(); x++);
{
for (int y = 0; y < pic.getHeight(); y++);
{
int h = pic.getHeight();
if ( y <=(h/3))
{

value = pic.getOrange();
value = (int)(value*1.5);
pic.setOrange(value);
}
if ( y > (h/3)&& y < (2*h/3))
{

value = pic.getWhite();
value = (int)(value*1.5);
pic.setWhite(value);
}
else {

value = pic.getGreen();
value = (int)(value*1.5);
pic.setGreen(value);
}

}

}
}

pic.repaint();
} // End of main
} // End of Class


And here's the errors the system gives:



File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java  [line: 34]
Error: y cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 37]
Error: value cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 37]
Error: The method getOrange() is undefined for the type Picture
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 38]
Error: value cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 38]
Error: value cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 39]
Error: value cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 41]
Error: y cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 41]
Error: y cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 44]
Error: value cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 44]
Error: The method getWhite() is undefined for the type Picture
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 45]
Error: value cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 45]
Error: value cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 46]
Error: value cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 50]
Error: value cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 50]
Error: The method getGreen() is undefined for the type Picture
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 51]
Error: value cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 51]
Error: value cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 52]
Error: value cannot be resolved to a variable
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 60]
Error: Syntax error on token "repaint", Identifier expected after this token
File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 62]
Error: Syntax error on token "}", delete this token


Can someone explain and also help me solve this problem? thanks










share|improve this question



























    0















    I have this as an assignment to tint out a picture into kinda like a Dutch flag. But i have a lot of troubles figuring out the way to divide the height into sections. When I did it like below I got lots of errors that mostly says "cannot resolve to a variable".
    Here's my code:



    /* Assignment 3, Part 2 - Go Dutch! */

    public class Assignment3Part2
    {
    //
    public static void main(String args) throws InterruptedException
    {
    String filename;
    if (args.length > 0) {
    // got a filename passed into program as a parameter
    // don't change this part of the code needed by TA for grading
    filename = args[0];
    System.out.println("Filename passed in: " + filename);

    } else {
    // ask user for a picture
    filename = FileChooser.pickAFile();
    System.out.println("User picked file: " + filename);
    }
    Picture pic = new Picture(filename); // Picture to modify
    //
    pic.show(); // Show the original picture
    Thread.sleep(1000); // Pause for 1 second. You can pause for less if you like

    Pixel pixelArray = pic.getPixels();

    // TODO:

    for(int x = 0; x < pic.getWidth(); x++);
    {
    for (int y = 0; y < pic.getHeight(); y++);
    {
    int h = pic.getHeight();
    if ( y <=(h/3))
    {

    value = pic.getOrange();
    value = (int)(value*1.5);
    pic.setOrange(value);
    }
    if ( y > (h/3)&& y < (2*h/3))
    {

    value = pic.getWhite();
    value = (int)(value*1.5);
    pic.setWhite(value);
    }
    else {

    value = pic.getGreen();
    value = (int)(value*1.5);
    pic.setGreen(value);
    }

    }

    }
    }

    pic.repaint();
    } // End of main
    } // End of Class


    And here's the errors the system gives:



    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java  [line: 34]
    Error: y cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 37]
    Error: value cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 37]
    Error: The method getOrange() is undefined for the type Picture
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 38]
    Error: value cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 38]
    Error: value cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 39]
    Error: value cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 41]
    Error: y cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 41]
    Error: y cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 44]
    Error: value cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 44]
    Error: The method getWhite() is undefined for the type Picture
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 45]
    Error: value cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 45]
    Error: value cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 46]
    Error: value cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 50]
    Error: value cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 50]
    Error: The method getGreen() is undefined for the type Picture
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 51]
    Error: value cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 51]
    Error: value cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 52]
    Error: value cannot be resolved to a variable
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 60]
    Error: Syntax error on token "repaint", Identifier expected after this token
    File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 62]
    Error: Syntax error on token "}", delete this token


    Can someone explain and also help me solve this problem? thanks










    share|improve this question

























      0












      0








      0








      I have this as an assignment to tint out a picture into kinda like a Dutch flag. But i have a lot of troubles figuring out the way to divide the height into sections. When I did it like below I got lots of errors that mostly says "cannot resolve to a variable".
      Here's my code:



      /* Assignment 3, Part 2 - Go Dutch! */

      public class Assignment3Part2
      {
      //
      public static void main(String args) throws InterruptedException
      {
      String filename;
      if (args.length > 0) {
      // got a filename passed into program as a parameter
      // don't change this part of the code needed by TA for grading
      filename = args[0];
      System.out.println("Filename passed in: " + filename);

      } else {
      // ask user for a picture
      filename = FileChooser.pickAFile();
      System.out.println("User picked file: " + filename);
      }
      Picture pic = new Picture(filename); // Picture to modify
      //
      pic.show(); // Show the original picture
      Thread.sleep(1000); // Pause for 1 second. You can pause for less if you like

      Pixel pixelArray = pic.getPixels();

      // TODO:

      for(int x = 0; x < pic.getWidth(); x++);
      {
      for (int y = 0; y < pic.getHeight(); y++);
      {
      int h = pic.getHeight();
      if ( y <=(h/3))
      {

      value = pic.getOrange();
      value = (int)(value*1.5);
      pic.setOrange(value);
      }
      if ( y > (h/3)&& y < (2*h/3))
      {

      value = pic.getWhite();
      value = (int)(value*1.5);
      pic.setWhite(value);
      }
      else {

      value = pic.getGreen();
      value = (int)(value*1.5);
      pic.setGreen(value);
      }

      }

      }
      }

      pic.repaint();
      } // End of main
      } // End of Class


      And here's the errors the system gives:



      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java  [line: 34]
      Error: y cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 37]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 37]
      Error: The method getOrange() is undefined for the type Picture
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 38]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 38]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 39]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 41]
      Error: y cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 41]
      Error: y cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 44]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 44]
      Error: The method getWhite() is undefined for the type Picture
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 45]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 45]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 46]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 50]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 50]
      Error: The method getGreen() is undefined for the type Picture
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 51]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 51]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 52]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 60]
      Error: Syntax error on token "repaint", Identifier expected after this token
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 62]
      Error: Syntax error on token "}", delete this token


      Can someone explain and also help me solve this problem? thanks










      share|improve this question














      I have this as an assignment to tint out a picture into kinda like a Dutch flag. But i have a lot of troubles figuring out the way to divide the height into sections. When I did it like below I got lots of errors that mostly says "cannot resolve to a variable".
      Here's my code:



      /* Assignment 3, Part 2 - Go Dutch! */

      public class Assignment3Part2
      {
      //
      public static void main(String args) throws InterruptedException
      {
      String filename;
      if (args.length > 0) {
      // got a filename passed into program as a parameter
      // don't change this part of the code needed by TA for grading
      filename = args[0];
      System.out.println("Filename passed in: " + filename);

      } else {
      // ask user for a picture
      filename = FileChooser.pickAFile();
      System.out.println("User picked file: " + filename);
      }
      Picture pic = new Picture(filename); // Picture to modify
      //
      pic.show(); // Show the original picture
      Thread.sleep(1000); // Pause for 1 second. You can pause for less if you like

      Pixel pixelArray = pic.getPixels();

      // TODO:

      for(int x = 0; x < pic.getWidth(); x++);
      {
      for (int y = 0; y < pic.getHeight(); y++);
      {
      int h = pic.getHeight();
      if ( y <=(h/3))
      {

      value = pic.getOrange();
      value = (int)(value*1.5);
      pic.setOrange(value);
      }
      if ( y > (h/3)&& y < (2*h/3))
      {

      value = pic.getWhite();
      value = (int)(value*1.5);
      pic.setWhite(value);
      }
      else {

      value = pic.getGreen();
      value = (int)(value*1.5);
      pic.setGreen(value);
      }

      }

      }
      }

      pic.repaint();
      } // End of main
      } // End of Class


      And here's the errors the system gives:



      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java  [line: 34]
      Error: y cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 37]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 37]
      Error: The method getOrange() is undefined for the type Picture
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 38]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 38]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 39]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 41]
      Error: y cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 41]
      Error: y cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 44]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 44]
      Error: The method getWhite() is undefined for the type Picture
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 45]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 45]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 46]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 50]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 50]
      Error: The method getGreen() is undefined for the type Picture
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 51]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 51]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 52]
      Error: value cannot be resolved to a variable
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 60]
      Error: Syntax error on token "repaint", Identifier expected after this token
      File: C:UsersnhockDesktopSchool WorkUNCC Fall 20181212ITIS_1212bookClassesAssignment3Part2.java [line: 62]
      Error: Syntax error on token "}", delete this token


      Can someone explain and also help me solve this problem? thanks







      java variables pixel tint






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 15 '18 at 0:34









      Dave PhanDave Phan

      92




      92
























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          Remove semicolon directly after for loop conditions. In Java ‘;’ tells that instruction ends. As a result code after semicolon doesn’t belong to for loop.



          for(int x = 0; x < pic.getWidth(); x++) {
          for (int y = 0; y < pic.getHeight(); y++) {





          share|improve this answer























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            1 Answer
            1






            active

            oldest

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            active

            oldest

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            active

            oldest

            votes









            0














            Remove semicolon directly after for loop conditions. In Java ‘;’ tells that instruction ends. As a result code after semicolon doesn’t belong to for loop.



            for(int x = 0; x < pic.getWidth(); x++) {
            for (int y = 0; y < pic.getHeight(); y++) {





            share|improve this answer




























              0














              Remove semicolon directly after for loop conditions. In Java ‘;’ tells that instruction ends. As a result code after semicolon doesn’t belong to for loop.



              for(int x = 0; x < pic.getWidth(); x++) {
              for (int y = 0; y < pic.getHeight(); y++) {





              share|improve this answer


























                0












                0








                0







                Remove semicolon directly after for loop conditions. In Java ‘;’ tells that instruction ends. As a result code after semicolon doesn’t belong to for loop.



                for(int x = 0; x < pic.getWidth(); x++) {
                for (int y = 0; y < pic.getHeight(); y++) {





                share|improve this answer













                Remove semicolon directly after for loop conditions. In Java ‘;’ tells that instruction ends. As a result code after semicolon doesn’t belong to for loop.



                for(int x = 0; x < pic.getWidth(); x++) {
                for (int y = 0; y < pic.getHeight(); y++) {






                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Nov 15 '18 at 2:38









                uliuli

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                519313
































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