<?php
/********************************************/
/** Weather graphic generator v6.3         **/                                            
/**          User Configuration            **/
/********************************************/

/***** DATA FILE: defines the path to the data file. *****/
// path can be absolute or relative. If you have issues try using the absolute
// path.
// THIS IS NOT A URL!!
// if using WD clientraw.txt supply the path to it.
$data_file_path  = 'clientraw.txt'; 

/***** IMAGE FORMAT: defines the image format *****/
// The script supports 3 image formats: GIF, PNG, and JPEG
// set $image_format for each as follows:
// for GIF: $image_format = 'gif';
// for PNG: $image_format = 'png';
// for JPEG: $image_format = 'jpeg';
$image_format = 'gif';

/***** FONT FILE: font file for true type fonts. *****/
// $font_file is a PATH to a font file. THIS IS NOT A URL!!
// you will have to find the appropriate font file on the server or upload 
// upload it!
// if you upload a font file to the same directory as wxgraphic.php you can
// define the path like this: $font_file = './arial.ttf';
// if you want to use the default GD fonts set value as: $font_file = 'none';
//$font_file = './arial.ttf';
$font_file = 'none';

/***** UNIT DEFINITIONS: define various units. *****/
// no calculations are done with this, it just sets how units will read on the
// graphic. if you don't want anything to display just make the value(s) empty
// like this: $barom_units = '';
$barom_units = 'in/Hg';
$rain_units = 'in';
$degree_units = 'F';
$wind_units = 'mph';

/***** HEAT INDEX and WIND CHILL THRESHOLDS: set heat index and wind chill *****/
/***** threshold values.                                                   *****/
// These values determine which will be displayed. If neither criteria
// is met neither is displayed.                  

// WIND CHILL THRESHOLD: wind chill will display if value is <= this value
$wind_chill_threshold = '20';

// HEAT INDEX THRESHOLD: heat index will display if value is >= to this value
$heat_index_threshold = '90';

// CURRENT CONDITIONS ICON: include a current conditions icon on the graphic
// NOTE! currently only supported if you are using Weather Display 
//       clientraw.txt or VWS for your data file.
// if $curr_cond_icon is set to any value other than "yes" the icon will not
// be included.
$curr_cond_icon = 'yes';

/***** ICON PLACEMENT: this section defines where the current      *****/
/***** conditions/forecast icon will be placed if you are using it *****/
// $default_icon_x: x coordinate on default image of the upper left most pixel of icon
// $default_icon_y: y coordinate on default image of the upper left most pixel of icon
$default_icon_x = '2';
$default_icon_y = '2';
// $banner_icon_x: x coordinate on banner of the upper left most pixel of icon
// $banner_icon_y: y coordinate on banner of the upper left most pixel of icon
$banner_icon_x = '300';
$banner_icon_y = '2';
// $banner_big_icon_x: x coordinate on banner_big of the upper left most pixel of icon
// $banner_big_icon_y: y coordinate on banner_big of the upper left most pixel of icon
$banner_big_icon_x = '2';
$banner_big_icon_y = '2';
// $avatar_icon_x: x coordinate on avatar of the upper left most pixel of icon
// $avatar_icon_y: y coordinate on avatar of the upper left most pixel of icon
$avatar_icon_x = '2';
$avatar_icon_y = '2';

/****************************************************************************/
/************ Weather Display clientraw.txt Specific Parameters *************/
/****************************************************************************/
// These parameters only apply if you are using Weather Display's           //
// clientraw.txt file as your datafile. If you are not using clientraw.txt  //
// these parameters will have no affect so you may ignore them.             //
/****************************************************************************/

// TIME FORMAT 
// for AM/PM use $time_format = 'AMPM';
// for 24 hour use $time_format = '24HR';
$time_format = 'AMPM';

// TEMP CONVERSION: 
// temperature conversion units
// For Farenheight use $temp_conv = 'F';
// For Celcius use $temp_conv = 'C';
$temp_conv = 'F';

// temp conversion precision
// determines the number of decimal places
// if "$temp_conv = 'C'" above, $temp_prec will only be effective at 1 or 0
// see README.txt for a detailed explanation 
$temp_prec = '1';

// WIND CONVERSION: 
// wind conversion units
// For miles/hour use $wind_conv = 'MPH';
// For kilometers/hour use $wind_conv = 'KPH';
// For knots use $wind_conv = 'KTS';
$wind_conv = 'MPH';

// wind conversion precision
// determines the number of decimal places
// if "$wind_conv = 'KTS'" above, $wind_prec will only be effective at 1 or 0
// see README.txt for a detailed explanation 
$wind_prec = '1';

// BAROMETRIC PRESSURE CONVERSION:
// barometric pressure conversion units
// For inHg use $barom_conv = 'INCHES';
// For millbars or hPa use $barom_conv = 'MB';
$barom_conv = 'INCHES';

// barometer conversion precision
// determines the number of decimal places
// if "$barom_conv = 'MB'" above, $barom_prec will only be effective at 1 or 0
// see README.txt for a detailed explanation 
$barom_prec = '2';

// RAIN CONVERSION:
// rain fall conversion units
// For in use $rain_conv = 'INCHES';
// For mm use $barom_conv = 'MM';
$rain_conv = 'INCHES';

// rain conversion precision
// determines the number of decimal places
// if "$rain_conv = 'MM'" above, $rain_prec will only be effective at 1 or 0
// see README.txt for a detailed explanation 
$rain_prec = '2';

/****************************************************************************/
/********** End Weather Display clientraw.txt Specific Parameters ***********/
/****************************************************************************/   

/****************************************************************************/
/***************************  Color Definitions *****************************/
/****************************************************************************/
// These are the color definitions for the images.
// imagecolorallocate(image, red, green, blue);
// where:
// image = image variable. Will always be "$img".
// red = red component 0-255
// green = green component 0-255
// blue = blue component 0-255

function define_colors() {
  global $img, $color1, $color2, $color3, $color4, $color5, $color6, $trans_color,
         $anti_alias;

  $color1 = imagecolorallocate($img,255,0,0);      // RED
  $color2 = imagecolorallocate($img,0,128,0);      // GREEN
  $color3 = imagecolorallocate($img,0,0,255);      // BLUE
  $color4 = imagecolorallocate($img,0,0,0);        // BLACK
  $color5 = imagecolorallocate($img,255,255,255);  // WHITE
  $color6 = imagecolorallocate($img,255,255,0);    // YELLOW 
    

  /***** Transparency settings *****/
  // if using a transparent color set it here. the RGB value should match the
  // color value of your images background, ie the color you want to be 
  // transparent.
  // This is only supported for gif and png images!
  // IMPORTANT! don't set the pallete tranparency in your source image with
  // your image editor! You'll get strange results if you do. 
  // you may want to set $anti_alias to 'off' below to avoid the problems
  // anti-aliasing can introduce with different background colors.
  // See README.txt for more info on using transparency
  // uncomment the two lines below to set transparency
  //
  //$trans_color = imagecolorallocate($img,255,255,255);
  //$trans_color = imagecolortransparent($img,$trans_color);

  // Transparency can be problematic with the anti-aliasing that occurs
  // by default with TrueType fonts in GD. To help avoid the problems that can
  // occur with anti-aliasing over different color backgrounds you can turn it
  // off with this parameter. The tradeoff is that your text will not look as
  // good.  
  // To turn off TrueType anti-aliasing set "$anti_alias = 'off';
  $anti_alias = 'on';

} // end function define_colors

/****************************************************************************/
/************************* DATA WRITING FUNCTIONS ***************************/
/****************************************************************************/

// Below are the functions that write the actual data onto the image. I've 
// broken them out into the config.txt file to make it easier to modify.
// write_default: writes data onto the default image
// write_banner: writes data onto the banner
// write_banner_big: writes data onto the big banner
// write_avatar: writes data onto the avatar image
//
// All data is written onto the image using the funcion:
// imagecenteredtext($x, $y, $text, $size, $ttfsize, $color, $angle);
// where:
// $x = x coordinate where the text will be centered
// $y = y coordinate where the text will be centered
// $text = the text to be written
// $size = font size for built-in GD fonts (1,2,3,4, or 5)
// $ttfsize = font size for ttf fonts. Use just like you would in a word processor
// $color = color as defined in the allocate colors section below
// $angle = for ttf fonts, determines the angle for the text.
// you must pass all parameters even if you aren't using them. if you are not
// using a parameter put '' in its place.

/*****************************************************************************/
/***** write_default: This function writes your values onto the default. *****/
/*****************************************************************************/
function write_default() {
  // let's start by defining some global variables that will be passed between 
  // functions. This is kind of clunky!
  // NOTE: IF YOU ADD ADDITIONAL COLORS YOU'LL NEED TO ADD THEM HERE TOO!
  global $color1, $color2, $color3, $color4, $color5, $color6, $date, $time, $temp, 
         $degree_units, $winds, $wind_units, $gust, $raintoday, $rain_units, 
         $barom, $barom_units, $baromtrendwords, $dewpt, $humidity, $heatindex,
         $heat_index_threshold, $windchill, $wind_chill_threshold, 
         $banner_icon_x, $banner_icon_y, $anti_alias;

  // this section does the heat index and wind chill
  // it figures out what to show, wind chill, heatindex or nothing
  // depending upon your settings
  switch (TRUE){
  // if windchill is <= $wind_chill_threshold we'll output it
  case ($windchill <= $wind_chill_threshold):
       $feelslike = "Wind Chill: $windchill$degree_units";
       imagecenteredtext(75, 67, "$feelslike", 2, 7, $color3, 0); 
  break;
  // if heat index >= $heat_index_threshold we'll output it 
  case ($heatindex >= $heat_index_threshold):
       $feelslike = "Heat Idx: $heatindex$degree_units";
       imagecenteredtext(75, 67, "$feelslike", 2, 7, $color1, 0);
  break;
  } // end switch

  // this section controls what is written to the image, where it is written.
  // see the explanation above for details on what each parameter represents 
  imagecenteredtext(90, 12, "BSM", 3, 10, $color1, 0); 
  imagecenteredtext(90, 25, "Weather", 3, 10, $color1, 0); 
  imagecenteredtext(75, 40, "$date @ $time", 3, 7, $color1, 0);  
  imagecenteredtext(75, 55, "$temp$degree_units", 7, 18, $color1, 0); 
  imagecenteredtext(75, 78, "Rain: $raintoday$rain_units", 5, 12, $color1, 0); 
  imagecenteredtext(75, 96, "Wind: $winds", 5, 10, $color1, 0); 
  imagecenteredtext(75, 112, "Gust: $gust$wind_units", 2, 7, $color1, 0); 
  imagecenteredtext(75, 124, "$barom$barom_units", 2, 7, $color1, 0); 
  imagecenteredtext(75, 134, "$baromtrendwords", 1, 7, $color1, 0); 
  imagecenteredtext(75, 145, "https://bsmweather.org", 2, 7, $color1, 0); 

} /***** end function write_default *****/

/******************************************************************************/
/*** write_banner: This function writes your values onto the 468X60 banner. ***/
/******************************************************************************/
function write_banner() {

  // let's start by defining some global variables that will be passed between 
  // functions. This is kind of clunky!
  // NOTE: IF YOU ADD ADDITIONAL COLORS YOU'LL NEED TO ADD THEM HERE TOO!
  global $color1, $color2, $color3, $color4, $color5, $color6, $date, $time, $temp, 
         $degree_units, $winds, $wind_units, $gust, $raintoday, $rain_units, 
         $barom, $barom_units, $baromtrendwords, $dewpt, $humidity, $heatindex,
         $heat_index_threshold, $windchill, $wind_chill_threshold, 
         $banner_icon_x, $banner_icon_y, $anti_alias;

  // this section does the heat index and wind chill
  // it figures out what to show, wind chill, heatindex or nothing
  // depending upon your settings
  switch (TRUE){
  // if windchill is <= $wind_chill_threshold we'll output it
  case ($windchill <= $wind_chill_threshold):
       $feelslike = "Wind Chill: $windchill$degree_units";
       imagecenteredtext(70, 38, "$feelslike", 2, 7, $color3, 0);
  break; 
  // if heat index >= $heat_index_threshold we'll output it 
  case ($heatindex >= $heat_index_threshold):
       $feelslike = "Heat Idx: $heatindex$degree_units";
       imagecenteredtext(70, 38, "$feelslike", 2, 7, $color1, 0);
  break;
  } // end switch

  // this section controls what is written to the image, where it is written.
  // see the explanation above for details on what each parameter represents 
  imagecenteredtext(120, 12, "Benilde-St Margarets", 5, 10, $color1, 0);
  imagecenteredtext(400, 10, "https://bsmweather.org", 2, 7, $color1, 0); 
  imagecenteredtext(234, 24, "$date @ $time", 1, 7, $color1, 0); 
  imagecenteredtext(70, 25, "Temp: $temp$degree_units", 5, 11, $color1, 0); 
  imagecenteredtext(70, 50, "Humidity: $humidity%", 5, 9, $color1, 0); 
  imagecenteredtext(234, 36, "Wind: $winds", 5, 11, $color1, 0); 
  imagecenteredtext(234, 48, "Gust: $gust$wind_units", 2, 7, $color1, 0); 
  imagecenteredtext(400, 25, "Rain: $raintoday$rain_units", 5, 11, $color1, 0); 
  imagecenteredtext(400, 38, "Dew Pt: $dewpt$degree_units", 5, 9, $color1, 0); 
  imagecenteredtext(400, 50, "$barom$barom_units $baromtrendwords", 2, 7, $color1, 0); 

} // end function write_banner

/******************************************************************************/
/* write_banner_big: This function writes your values onto the 500X80 banner. */
/******************************************************************************/
function write_banner_big() {

  // let's start by defining some global variables that will be passed between 
  // functions. This is kind of clunky!
  // NOTE: IF YOU ADD ADDITIONAL COLORS YOU'LL NEED TO ADD THEM HERE TOO!
  global $color1, $color2, $color3, $color4, $color5, $color6, $date, $time, $temp, 
         $degree_units, $winds, $wind_units, $gust, $raintoday, $rain_units, 
         $barom, $barom_units, $baromtrendwords, $dewpt, $humidity, $heatindex,
         $heat_index_threshold, $windchill, $wind_chill_threshold, 
         $banner_icon_x, $banner_icon_y, $anti_alias;

  // this section does the heat index and wind chill
  // it figures out what to show, wind chill, heatindex or nothing
  // depending upon your settings
  switch (TRUE){
  // if windchill is <= $wind_chill_threshold we'll output it
  case ($windchill <= $wind_chill_threshold):
       $feelslike = "Wind Chill: $windchill$degree_units";
       imagecenteredtext(90, 40, "$feelslike", 2, 8, $color3, 0);
  break; 
  // if heat index >= $heat_index_threshold we'll output it 
  case ($heatindex >= $heat_index_threshold):
       $feelslike = "Heat Idx: $heatindex$degree_units";
       imagecenteredtext(90, 40, "$feelslike", 2, 8, $color1, 0);
  break;
  } // end switch

  // this section controls what is written to the image, where it is written.
  // see the explanation above for details on what each parameter represents 
  imagecenteredtext(250, 10, "Benilde-St. Margarets-St. Louis Park MN", 5, 14, $color1, 0);  
  imagecenteredtext(250, 30, "$date @ $time", 4, 8, $color1, 0); 
  imagecenteredtext(90, 27, "Temp: $temp$degree_units", 5, 14, $color1, 0); 
  imagecenteredtext(90, 50, "Humidity: $humidity%", 5, 11, $color1, 0); 
  imagecenteredtext(250, 50, "Wind: $winds", 5, 11, $color1, 0); 
  imagecenteredtext(250, 63, "Gust: $gust$wind_units", 3, 8, $color1, 0); 
  imagecenteredtext(425, 30, "Rain: $raintoday$rain_units", 5, 14, $color1, 0); 
  imagecenteredtext(425, 50, "Dew Pt: $dewpt$degree_units", 5, 11, $color1, 0); 
  imagecenteredtext(424, 63, "$barom$barom_units $baromtrendwords", 5, 8, $color1, 0);
  imagecenteredtext(250, 75, "https://BSMweather.org-click for more info", 2, 7, $color1, 0); 

} /***** end function write_banner_big *****/

/*****************************************************************************/
/***** write_avatar: This function writes your values onto the avatar. *****/
/*****************************************************************************/
function write_avatar() {
  // let's start by defining some global variables that will be passed between 
  // functions. This is kind of clunky!
  // NOTE: IF YOU ADD ADDITIONAL COLORS YOU'LL NEED TO ADD THEM HERE TOO!
  global $color1, $color2, $color3, $color4, $color5, $color6, $date, $time, $temp, 
         $degree_units, $winds, $wind_units, $gust, $raintoday, $rain_units, 
         $barom, $barom_units, $baromtrendwords, $dewpt, $humidity, $heatindex,
         $heat_index_threshold, $windchill, $wind_chill_threshold, 
         $banner_icon_x, $banner_icon_y, $anti_alias;

  // this section does the heat index and wind chill
  // it figures out what to show, wind chill, heatindex or nothing
  // depending upon your settings
  switch (TRUE){
  // if windchill is <= $wind_chill_threshold we'll output it
  case ($windchill <= $wind_chill_threshold):
       $feelslike = "WindCh: $windchill$degree_units";
       imagecenteredtext(50, 50, "$feelslike", 1, 7, $color3, 0); 
  break;
  // if heat index >= $heat_index_threshold we'll output it 
  case ($heatindex >= $heat_index_threshold):
       $feelslike = "HeatIdx: $heatindex$degree_units";
       imagecenteredtext(50, 50, "$feelslike", 1, 7, $color1, 0);
  break;
  } // end switch

  // this section controls what is written to the image, where it is written.
  // see the explanation above for details on what each parameter represents 
  imagecenteredtext(65, 10, "BSM", 2, 8, $color1, 0); 
  imagecenteredtext(65, 20, "Weather", 2, 8, $color1, 0); 
  imagecenteredtext(50, 40, "$temp$degree_units", 5, 14, $color1, 0); 
  imagecenteredtext(50, 60, "Rain: $raintoday$rain_units", 3, 9, $color1, 0); 
  imagecenteredtext(50, 72, "$winds", 3, 9, $color1, 0); 
  imagecenteredtext(50, 82, "$barom$barom_units", 1, 8, $color1, 0); 
  imagecenteredtext(50, 96, "$date $time", 1, 7, $color1, 0); 

} /***** end function write_avatar *****/


/************************* END WRITING FUNCTIONS ******************************/

/******************************************************/
/************ End of User Configuration ***************/
/******************************************************/
?>