/
canvastest.php
303 lines (229 loc) · 6.91 KB
/
canvastest.php
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<?php
if (isset($_GET['3141592654'])) die(highlight_file(__FILE__, 1));
if (isset($_GET['31415926'])) define('DEVEL', true);
else define('DEVEL', false);
define('CANVAS_MAX_X', rand()%600+640);
define('CANVAS_MAX_Y', rand()%400+480);
define('CANVAS_NAME', 'herpderp');
$canvasFunctionsDefine = array(
'things' => 'drv = drv, max = 100',
'test' => 'drv = drv, max = 100',
'circles' => 'drv = drv, maxradius = 50, max = 30',
'rectangles' => 'drv = drv, max = 20, minx = 300, miny = 200'
);
$canvasFunctionsRun = array(
'things_1' => array('things' => 'drv = drv, max = '.rand()%60),
'circles_3' => array('circles' => 'drv = drv, maxradius = 90, max = 100'),
'circles_1' => array('circles' => 'drv = drv, maxradius = 40, max = 30'),
'things_2' => array('things' => 'drv = drv, max = '.rand()%60),
'things_5' => array('things' => 'drv = drv, max = '.rand()%60),
'circles_2' => array('circles' => 'drv = drv, maxradius = 30, max = 500'),
'test_1' => array('test' => 'drv = drv, max = '.rand()%60),
'rectangles_1' => array('rectangles' => 'drv = drv, max = 20, minx = 300, miny = 200')
);
asort($canvasFunctionsRun);
function getPageHTML()
{
$output = '';
$output .= '<!DOCTYPE html>';
$output .= '<html>';
$output .= '<head>';
$output .= '<style>';
$output .= 'canvas { border: '.(rand()%5).'px solid #000;}';
$output .= '</style>';
$output .= '<body>';
$output .= '<canvas id="'.CANVAS_NAME.'" width="'.CANVAS_MAX_X.'" height="'.CANVAS_MAX_Y.'">';
$output .= 'herp derp nice browser';
$output .= '</canvas>';
$output .= '<script>';
$output .= getPageJS();
$output .= '</script>';
$output .= '</body>';
$output .= '</html>';
return $output;
}
function parseVariables(&$variables)
{
$variables = explode(', ', $variables);
foreach($variables as $variable => $val)
{
$xvar = strstr($val, ' ', true);
$xval = ltrim(strrchr($val, ' '), ' ');
$xvariables[$xvar] = addslashes($xval);
}
$variables = $xvariables;
}
function rectangles($variables)
{
parseVariables($variables);
$output = '';
$output .= <<< 'EOD'
for(i = 0; i < max; i++)
{
drv.fillStyle = 'rgba('+Math.round(Math.random()*256)+','+Math.round(Math.random()*256)+','+Math.round(Math.random()*256)+',1)';
if(Math.round(Math.Random())%2)
{
drv.fillRect(minx, miny, Math.random()*120, Math.random()*90);
}
else
{
drv.clearRect(minx, miny, Math.random()*120, Math.random()*90);
}
}
EOD;
return $output;
}
function circles($variables)
{
parseVariables($variables);
$output = '';
$output .= <<< 'EOD'
for(i = 0; i < max; i++)
{
randcolor1 = Math.round(Math.random()*16).toString(16);
randcolor2 = Math.round(Math.random()*16).toString(16);
randcolor3 = Math.round(Math.random()*16).toString(16);
randcolor4 = Math.round(Math.random()*16).toString(16);
randcolor5 = Math.round(Math.random()*16).toString(16);
randcolor6 = Math.round(Math.random()*16).toString(16);
drv.strokeStyle = '#'+randcolor1+randcolor2+randcolor3+randcolor6+randcolor5+randcolor4;
drv.fillStyle = '#'+randcolor4+randcolor5+randcolor6+randcolor3+randcolor2+randcolor1;
drv.beginPath();
drv.arc(Math.round(Math.random()*MAX_X_4+MAX_X_2),Math.round(Math.random()*MAX_Y_4+MAX_Y_2),Math.round(Math.random()*maxradius),0+Math.random()*50,Math.PI+Math.random()*37,true);
drv.closePath();
if(Math.round(Math.random()*50)%2 == 1)
{
drv.stroke();
}
else if(Math.round(Math.random()*50)%2 == 1)
{
drv.fill();
}
}
EOD;
return $output;
}
function test($variables)
{
parseVariables($variables);
$output = '';
$output .= <<< 'EOD'
drv.moveTo(Math.round(Math.random()*CANVAS_MAX_X), Math.round(Math.random()*CANVAS_MAX_Y));
for(i = 0; i < max; i++)
{
x = Math.random()*CANVAS_MAX_X;
y = Math.random()*CANVAS_MAX_Y;
dx = (Math.random()%2)?(x+Math.random()*CANVAS_MAX_X)%CANVAS_MAX_X:(x-Math.random()*CANVAS_MAX_X)%CANVAS_MAX_X;
dy = (Math.random()%2)?(y+Math.random()*CANVAS_MAX_Y)%CANVAS_MAX_Y:(y-Math.random()*CANVAS_MAX_Y)%CANVAS_MAX_Y;
drv.lineTo(Math.round(dx), Math.round(dy));
}
EOD;
return $output;
}
function things($variables)
{
parseVariables($variables);
$output = '';
$output .= <<< 'EOD'
drv.moveTo(Math.round(Math.random()*MAX_X_4+MAX_X_2), Math.round(Math.random()*MAX_Y_4+MAX_Y_2));
for(i = 0; i < max; i++)
{
x = Math.random()*MAX_X_4;
y = Math.random()*MAX_Y_4;
dx = (((x + y)%2) == 0)?(x+Math.random()*MAX_X_2)%CANVAS_MAX_X:(x-Math.random()*MAX_X_2)%CANVAS_MAX_X;
dy = (x > y)?(y+Math.random()*MAX_Y_2)%CANVAS_MAX_Y:(y-Math.random()*MAX_Y_2)%CANVAS_MAX_Y;
randcolor1 = Math.round(Math.random()*16).toString(16);
randcolor2 = Math.round(Math.random()*16).toString(16);
randcolor3 = Math.round(Math.random()*16).toString(16);
randcolor4 = Math.round(Math.random()*16).toString(16);
randcolor5 = Math.round(Math.random()*16).toString(16);
randcolor6 = Math.round(Math.random()*16).toString(16);
drv.fillStyle = '#'+randcolor1+randcolor2+randcolor3+randcolor4+randcolor5+randcolor6;
if(Math.round(Math.random()*50)%2 == 1)
{
drv.lineTo(Math.round(dx), Math.round(dy));
}
else if(Math.round(Math.random()*50)%2 == 1)
{
drv.stroke(Math.round(dx), Math.round(dy));
}
else
{
drv.fill();
}
}
EOD;
return $output;
}
function getPageJS()
{
global $canvasFunctionsDefine;
global $canvasFunctionsRun;
$outputJS = '';
$outputJS .= 'var CANVAS_MAX_X = '.CANVAS_MAX_X.';';
$outputJS .= 'var CANVAS_MAX_Y = '.CANVAS_MAX_Y.';';
$outputJS .= 'var CANVAS_NAME = \''.CANVAS_NAME.'\';';
$outputJS .= <<< 'EOD'
var x;
var y;
var dx;
var dy;
var randcolor1;
var randcolor2;
var randcolor3;
var randcolor4;
var randcolor5;
var randcolor6;
var MAX_X_2 = CANVAS_MAX_X/2;
var MAX_Y_2 = CANVAS_MAX_Y/2;
var MAX_X_4 = CANVAS_MAX_X/4;
var MAX_Y_4 = CANVAS_MAX_Y/4;
var canvas = document.getElementById(CANVAS_NAME);
if(canvas.getContext)
{
var drv = canvas.getContext("2d");
drv.beginPath();
EOD;
foreach($canvasFunctionsRun as $canvasFunction => $variables)
{
$outputJS .= strstr($canvasFunction, '_', true).'(';
foreach(explode(', ', $variables[strstr($canvasFunction, '_', true)]) as $variable)
{
$outputJS .= ltrim(strrchr($variable, ' '), ' ').', ';
}
$outputJS = rtrim($outputJS, ', ');
$outputJS .= ');';
}
foreach($canvasFunctionsDefine as $canvasFunction => $variables)
{
$outputJS .= 'function '.$canvasFunction.'(';
foreach(explode(', ', $variables) as $variable)
{
$outputJS .= strstr($variable, ' ', true).', ';
}
$outputJS = rtrim($outputJS, ', ');
$outputJS .= '){';
$outputJS .= $canvasFunction($variables);
$outputJS .= '}';
}
$outputJS .= '}';
if(!DEVEL)
{
getPackedJS($outputJS);
}
return $outputJS;
}
if('DEFAULT' == 'DEFAULT')
{
$output = '';
$output .= getPageHTML();
echo $output;
}
function getPackedJS(&$strJS)
{
require_once('class.JavaScriptPacker.php');
$myPacker = new JavaScriptPacker($strJS, 'High ASCII', true, false);
$strJS = $myPacker->pack();
$strJS = rtrim($strJS);
}
?>