public function Rotate($angle){
//always make the uncovered color transparent
$rgba = Color::HexToRGBA("#FFFFFF", 0);
$color = $this->AllocateColor($rgba[0]['r'], $rgba[0]['g'], $rgba[0]['b'], $rgba[0]['alpha']);
$img = new Image();
$img->handle = imagerotate($this->handle, $angle, $color);
return $img;
}
public function Fill($color = '#000000', $alpha = 1){
$rgba = Color::HexToRGBA($color, $alpha);
if( imagefill($this->handle, 0, 0, $this->AllocateColor($rgba[0]['r'], $rgba[0]['g'], $rgba[0]['b'], $rgba[0]['alpha']) ) ){
return true;
}
else{
return false;
}
}
<?php
set_include_path('.:backbone:global:jquery');
require_once('Template.php');
require_once('Color.php');
require_once('Image.php');
require_once('RedirectBrowserException.php');
require_once('Session.php');
require_once('URL.php');
$tmpl = new Template();
$tmpl->passedvar = "This string was passed through the Template object to be rendered in the HTML file.";
$tmpl->hex = Color::RGBToHex(60, 120, 60);
$tmpl->alpha = Color::HexToRGBA($tmpl->hex, .5);
$tmpl->rgb = Color::HexToRGB($tmpl->hex);
$img = new Image();
$img->source = 'portrait.png';
$img->Write->Normal(20, 20, "A Self Portrait of Me", 5, "#000000", 1);
$img->destination = 'portrait2.png';
$img->output();
$img->clean();
unset($img);
//start a session and store a variable;
setSession(0,'/'); // expires with browser session, the root is '/'
setSessionVar('foo', 'bar'); //there's no retrieval function, so this is kind of stupid
if( !isset($_SESSION['foo']) ){
throw new RedirectBrowserException("example.php");
}
public function Font( $x, $y, $string, $textSize, $color, $angle, $font, $alpha = 1, $bg = "#000000", $bgA = 0, $padding = 0){
$rgba = Color::HexToRGBA($color, $alpha);
$bgrgba = Color::HexToRGBA($bg, $bgA);
$size = imagettfbbox($textSize, 0, $font, $string);
$text = new Image( (abs($size[2]) + abs($size[0])) + (2 * $padding), (abs($size[7]) + abs($size[1])) + (2 * $padding) );
imagefill($text->handle, 0, 0, $this->AllocateColor($bgrgba[0]['r'], $bgrgba[0]['g'], $bgrgba[0]['b'], $bgrgba[0]['alpha']));
imagealphablending($text->handle, true);
$bool = imagettftext($text->handle, $textSize, 0, $padding, abs($size[5]) + $padding, $this->AllocateColor($rgba[0]['r'], $rgba[0]['g'], $rgba[0]['b'], $rgba[0]['alpha']), $font, $string);
imagealphablending($text->handle, false);
if( $bool ){
$textRot = $text->Manipulate->Rotate($angle);
if( $textRot ){
//get dimensions
$Ox = $textRot->width;
$Oy = $textRot->height;
$tx = $text->width;
$ty = $text->width;
//make angle safe
$a = $angle;
while( $a < 0 || $a >= 360 ){
if( $a < 0 ){
$a += 360;
}
if( $a >= 360 ){
$a -= 360;
}
}
$deltaX = 0;
$deltaY = 0;
//calculate re-anchor point based on quadrant
if( $a >= 0 && $a <= 90 ){
$deltaX = 0;
$deltaY = -(sin(deg2rad($a)) * $tx);
}
elseif( $a > 90 && $a <= 180 ){
$deltaX = -(sin(deg2rad(90 - (180 - $a))) * $tx);
$deltaY = -$Oy;
}
elseif( $a > 180 && $a <= 270 ){
$deltaX = -$Ox;
$deltaY = -(sin(deg2rad(270 - $a)) * $ty);
}
elseif( $a > 270 && $a < 360 ){
$deltaX = -(sin(deg2rad(360 - $a)) * $ty);
$deltaY = 0;
}
//if the offset places the image outside of the original, crop until it fits
//if cropped, reset the coordinate to 0
$newx = $x + round($deltaX);
$newy = $y + round($deltaY);
$left = $newx < 0 ? abs($newx) : 0;
$top = $newy < 0 ? abs($newy) : 0;
$xp = $newx < 0 ? 0 : $newx;
$yp = $newy < 0 ? 0 : $newy;
$cropFit = $textRot->Manipulate->Crop($top, 0, 0, $left);
if( $this->caller->Combine->Overlay( $cropFit, $xp, $yp, 0, 0, $cropFit->width, $cropFit->height ) ){
return true;
}
else{
return false;
}
}
else{
return false;
}
}
else{
return false;
}
}
