📄 class.image.php5.php
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public function crop($iNewWidth, $iNewHeight, $iResize = 0) {
/* crop image (first resize with keep ratio) */
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
/* resize imageobject in memory if resize percentage is set */
if ($iResize > 0) {
$this->resizetopercentage($iResize);
}
/* constrain width and height values */
if (($iNewWidth > $this->width) || ($iNewWidth < 0)) {
$this->printError('width out of range',__METHOD__,__LINE__);
}
if (($iNewHeight > $this->height) || ($iNewHeight < 0)) {
$this->printError('height out of range',__METHOD__,__LINE__);
}
/* create blank image with new sizes */
$CroppedImageStream = ImageCreateTrueColor($iNewWidth,$iNewHeight);
/* calculate size-ratio */
$iWidthRatio = $this->width / $iNewWidth;
$iHeightRatio = $this->height / $iNewHeight;
$iHalfNewHeight = $iNewHeight / 2;
$iHalfNewWidth = $iNewWidth / 2;
/* if the image orientation is landscape */
if($this->orientation == 'landscape') {
/* calculate resize width parameters */
$iResizeWidth = $this->width / $iHeightRatio;
$iHalfWidth = $iResizeWidth / 2;
$iDiffWidth = $iHalfWidth - $iHalfNewWidth;
if(function_exists("imagecopyresampled")){
imagecopyresampled($CroppedImageStream,$this->ImageStream,-$iDiffWidth,0,0,0,$iResizeWidth,$iNewHeight,$this->width,$this->height);
}
else {
imagecopyresized($CroppedImageStream,$this->ImageStream,-$iDiffWidth,0,0,0,$iResizeWidth,$iNewHeight,$this->width,$this->height);
}
}
/* if the image orientation is portrait or square */
elseif(($this->orientation == 'portrait') || ($this->orientation == 'square')) {
/* calculate resize height parameters */
$iResizeHeight = $this->height / $iWidthRatio;
$iHalfHeight = $iResizeHeight / 2;
$iDiffHeight = $iHalfHeight - $iHalfNewHeight;
if(function_exists("imagecopyresampled")){
imagecopyresampled($CroppedImageStream,$this->ImageStream,0,-$iDiffHeight,0,0,$iNewWidth,$iResizeHeight,$this->width,$this->height);
}
else {
imagecopyresized($CroppedImageStream,$this->ImageStream,0,-$iDiffHeight,0,0,$iNewWidth,$iResizeHeight,$this->width,$this->height);
}
}
else {
if(function_exists("imagecopyresampled")){
imagecopyresampled($CroppedImageStream,$this->ImageStream,0,0,0,0,$iNewWidth,$iNewHeight,$this->width,$this->height);
}
else {
imagecopyresized($CroppedImageStream,$this->ImageStream,0,0,0,0,$iNewWidth,$iNewHeight,$this->width,$this->height);
}
}
$this->ImageStream = $CroppedImageStream;
$this->width = $iNewWidth;
$this->height = $iNewHeight;
$this->setImageOrientation();
}
public function get_font_list(){
$dict = Array(
"Aldos Nova" => Array("fontfile"=>"aldos_nova.ttf","preview"=>"aldos_nova.gif"),
"Beware" => Array("fontfile"=>"beware.ttf","preview"=>"beware.gif"),
"Chopin Script" => Array("fontfile"=>"chopin_script.ttf","preview"=>"chopin_script.gif"),
"Early Tickertape" => Array("fontfile"=>"early_tickertape.ttf","preview"=>"early_tickertape.gif"),
"English Gothic" => Array("fontfile"=>"english_gothic.ttf","preview"=>"english_gothic.gif"),
"Flores" => Array("fontfile"=>"flores.ttf","preview"=>"flores.gif"),
"Fortunadot" => Array("fontfile"=>"fortunadot.ttf","preview"=>"fortunadot.gif"),
"Funkin Frat" => Array("fontfile"=>"funkin_frat.ttf","preview"=>"funkin_frat.gif"),
"Laurehead" => Array("fontfile"=>"laurehead.ttf","preview"=>"laurehead.gif"),
"Plasmadrip" => Array("fontfile"=>"plasmadrip.ttf","preview"=>"plasmadrip.gif"),
"Plump" => Array("fontfile"=>"pleasantly_plump.ttf","preview"=>"pleasantly_plump.gif")
);
return $dict;
}
public function writetext($sText, $iFontSize = 10, $sTextColor = '0,0,0', $sFontFilename = 'arial', $iXPos = 5, $iYPos = 15, $iTextAngle = 0) {
/* write text on image */
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
if (($iXPos > $this->width) || ($iXPos < 0)) {
$this->printError('x-pos out of range',__METHOD__,__LINE__);
}
if (($iYPos > $this->height) || ($iYPos < 0)) {
$this->printError('y-pos out of range',__METHOD__,__LINE__);
}
$dict = $this->get_font_list();
$sFontFilename = $dict[$sFontFilename]["fontfile"];
$sFont = clsImage::IMAGEFONTDIR . DIRECTORY_SEPARATOR . $sFontFilename;
$aTextColor = explode(',',$sTextColor,3);
$ImageColor = imagecolorallocate($this->ImageStream,$aTextColor[0],$aTextColor[1],$aTextColor[2]);
$iLineWidth = imagettfbbox($iFontSize, $iTextAngle, $sFont, $sText);
imagettftext($this->ImageStream, $iFontSize, $iTextAngle, $iXPos, $iYPos, $ImageColor, $sFont, $sText);
}
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
//// IMG_FILTER_GRAYSCALE: Converts the image into grayscale.
public function filter_grayscale(){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
imagefilter($this->ImageStream, IMG_FILTER_GRAYSCALE);
}
//// IMG_FILTER_NEGATE: Reverses all colors of the image.
public function filter_negate(){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
imagefilter($this->ImageStream, IMG_FILTER_NEGATE);
}
//// IMG_FILTER_BRIGHTNESS: Changes the brightness of the image.
////Use $level to set the level of brightness.
public function filter_brightness($level){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
imagefilter($this->ImageStream, IMG_FILTER_BRIGHTNESS, $level);
}
//// IMG_FILTER_CONTRAST: Changes the contrast of the image.
/// Use $level to set the level of contrast.
public function filter_contrast($level){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
imagefilter($this->ImageStream, IMG_FILTER_CONTRAST, $level);
}
//// IMG_FILTER_COLORIZE: Like IMG_FILTER_GRAYSCALE, except you can specify the color.
//// Use $red , $blue , $green and $alpha for the alpha channel. The range for each color is 0 to 255.
public function filter_colorize($red , $blue , $green, $alpha){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
imagefilter($this->ImageStream, IMG_FILTER_COLORIZE, $red , $blue , $green, $alpha);
}
//// IMG_FILTER_EDGEDETECT: Uses edge detection to highlight the edges in the image.
public function filter_edgedetect(){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
imagefilter($this->ImageStream, IMG_FILTER_EDGEDETECT);
}
//// IMG_FILTER_EMBOSS: Embosses the image.
public function filter_embosses(){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
imagefilter($this->ImageStream, IMG_FILTER_EMBOSS);
}
//// IMG_FILTER_GAUSSIAN_BLUR: Blurs the image using the Gaussian method.
public function filter_gaussian_blur(){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
imagefilter($this->ImageStream, IMG_FILTER_GAUSSIAN_BLUR);
}
//// IMG_FILTER_SELECTIVE_BLUR: Blurs the image.
public function filter_selective_blur(){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
imagefilter($this->ImageStream, IMG_FILTER_SELECTIVE_BLUR);
}
//// IMG_FILTER_MEAN_REMOVAL: Uses mean removal to achieve a "sketchy" effect.
public function filter_mean_removal(){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
imagefilter($this->ImageStream, IMG_FILTER_MEAN_REMOVAL);
}
//// IMG_FILTER_SMOOTH: Makes the image smoother. Use arg1 to set the level of smoothness.
public function filter_smooth($level){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
imagefilter($this->ImageStream, IMG_FILTER_SMOOTH,$level);
}
public function watermark_frame($frameFile){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
$frame = imagecreatefromjpeg($frameFile);
$frame2 = imagecreatetruecolor($this->width,$this->height);
imagecopyresampled($frame2, $frame, 0,0,0,0, $this->width,$this->height, $this->width,$this->height);
//IMG_EFFECT_REPLACE - Use pixel replacement (equivalent of passing TRUE to imagealphablending())
//IMG_EFFECT_ALPHABLEND - Use normal pixel blending (equivalent of passing FALSE to imagealphablending())
//IMG_EFFECT_NORMAL -Same as IMG_EFFECT_ALPHABLEND.
//IMG_EFFECT_OVERLAY - Overlay has the effect that black background pixels will remain black, white background pixels will remain white, but grey background pixels will take the colour of the foreground pixel.
// Apply the overlay alpha blending flag
//imagelayereffect($this->ImageStream, IMG_EFFECT_NORMAL);
$black = imagecolorallocate($frame, 255, 255, 255);
// Make the background transparent
imagecolortransparent($frame, $black);
for ($i=0;$i<$this->height;$i++) {
for ($j=0;$j<$this->width;$j++){
$rgb = imagecolorat($this->ImageStream,$i,$j);
$r = ($rgb >> 16) & 0xFF;
$g = ($rgb >> 8) & 0xFF;
$b = $rgb & 0xFF;
$rgb2 = imagecolorat($frame2,$i,$j);
$r2 = ($rgb2 >> 16) & 0xFF;
$g2 = ($rgb2 >> 8) & 0xFF;
$b2 = $rgb2 & 0xFF;
//This is where we actually use yiq to modify our rbg values, and then convert them to our grayscale palette
$r = $r & $r2;
$g = $g & $g2;
$b = $b & $b2;
imagesetpixel($this->ImageStream,$i,$j, ($r << 16) + ($g << 8) + $b);
}
}
//imagecopymergegray($this->ImageStream , $frame , 0 , 0 , 0 , 0 ,$this->width, $this->height,100);
//imagelayereffect($this->ImageStream, IMG_EFFECT_NORMAL);
}
public function get_modern_list(){
$dict = Array(
"bikini" => Array("filename"=>"bikini.png","x"=>35, "y"=>36, "width"=>383, "height"=>342),
"colorpen" => Array("filename"=>"colorpen.png","x"=>36, "y"=>36, "width"=>397, "height"=>557),
"03" => Array("filename"=>"03.png","x"=>18, "y"=>15, "width"=>405, "height"=>305),
"02" => Array("filename"=>"02.png","x"=>36, "y"=>40, "width"=>406, "height"=>303),
"01" => Array("filename"=>"01.png","x"=>0, "y"=>0, "width"=>400, "height"=>300),
"08" => Array("filename"=>"08.png","x"=>15, "y"=>15, "width"=>358, "height"=>296),
"07" => Array("filename"=>"07.png","x"=>17, "y"=>147, "width"=>248, "height"=>174),
"06" => Array("filename"=>"06.png","x"=>12, "y"=>8, "width"=>308, "height"=>291),
"05" => Array("filename"=>"05.png","x"=>13, "y"=>15, "width"=>404, "height"=>302),
"04" => Array("filename"=>"04.png","x"=>163, "y"=>14, "width"=>343, "height"=>307)
);
return $dict;
}
public function modern_frame($frameFile,$bgcolor="", $x="", $y="", $owidth="", $oheight=""){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
$dict = $this->get_modern_list(false);
if($x==""){
$x = $dict[$frameFile]["x"];
$y = $dict[$frameFile]["y"];
}
if($owidth==""){
$owidth = $dict[$frameFile]["width"];
$oheight = $dict[$frameFile]["height"];
}
$frameFile = MODERNPATH . DIRECTORY_SEPARATOR . $dict[$frameFile]["filename"];
$frame = imagecreatefrompng($frameFile);
//getting the width and height of that image
list($fwidth, $fheight) = getimagesize($frameFile);
//the background canvas, it will be the same width and height
$background = imagecreatetruecolor($fwidth, $fheight);
if(substr_count($bgcolor, "#")>0){
//converting the 16 digit hex value to the standard 10 digit value
$int = hexdec(str_replace("#", "", $bgcolor));
//getting rgb color
$background_color = imagecolorallocate ($background, 0xFF & ($int >> 0x10), 0xFF & ($int >> 0x8), 0xFF & $int);
//filling the background image with that color
imagefill($background, 0,0,$background_color);
}
//This function copies and resizes the image onto the background canvas
imagecopyresampled($background ,$this->ImageStream, $x, $y, 0, 0, $owidth, $oheight, $this->width, $this->height);
//making sure that alpha blending is enabled
imageAlphaBlending($frame, true);
//making sure to preserve the alpha info
imageSaveAlpha($frame, true);
//This function copies and resizes the image onto the background canvas
imagecopyresampled($background ,$frame, 0,0,0,0,$fwidth, $fheight, $fwidth, $fheight);
imagedestroy($this->ImageStream);
$this->ImageStream = $background;
$this->width = $fwidth;
$this->height = $fheight;
$this->setImageOrientation();
}
public function get_avatar_list(){
$dict = Array(
"hellokitty" => Array("filename"=>"hellokitty.png"),
"fistplace" => Array("filename"=>"fistplace.png"),
"mirror" => Array("filename"=>"mirror.png"),
"snowman1" => Array("filename"=>"snowman1.png"),
"snowman2" => Array("filename"=>"snowman2.png"),
"rowpaul" => Array("filename"=>"rowpaul.png"),
"lip" => Array("filename"=>"lip.png"),
"sale1" => Array("filename"=>"sale1.png")
);
return $dict;
}
public function avatar($faceFile, $x, $y, $width="", $height=""){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
$dict = $this->get_avatar_list(false);
$faceFile = AVATARPATH . DIRECTORY_SEPARATOR . $dict[$faceFile]["filename"];
$face = imagecreatefrompng($faceFile);
list($bg_w, $bg_h) = getimagesize($faceFile);
$x = $x?$x:0;
$y = $y?$y:0;
$width = $width?$width:$bg_w;
$height = $height?$height:$bg_h;
//making sure that alpha blending is enabled
imageAlphaBlending($face, true);
//making sure to preserve the alpha info
imageSaveAlpha($face, true);
imagecopyresampled($this->ImageStream, $face, $x,$y,0,0, $width, $height, $bg_w, $bg_h);
}
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
public function rotate($degrees, $bgd_color, $ignore_transparent=0){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
$background_color = imagecolorallocate ($this->ImageStream, 0, 0, 0);
// Rotate
$this->ImageStream = imagerotate($this->ImageStream, $degrees, $bgd_color, $ignore_transparent);
$degrees = $degrees * 3.1415926 * 2 / 360;
//print sin($degrees) ." " . cos($degrees). "<br>";
$newWidth = abs(sin($degrees))*$this->height + abs(cos($degrees))*$this->width;
$newHeight = abs(sin($degrees))*$this->width + abs(cos($degrees))*$this->height;
$this->width = $newWidth;
$this->height = $newHeight;
$this->setImageOrientation();
}
public function mirror($vertical=true){
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
$temp = imagecreatetruecolor($this->width, $this->height);
if($vertical){
//vertical
imagecopyresampled($temp, $this->ImageStream, 0, 0, 0, ($this->height-1), $this->width, $this->height, $this->width, 0-$this->height);
}else{
imagecopyresampled($temp, $this->ImageStream, 0, 0, ($this->width-1), 0, $this->width, $this->height, 0-$this->width, $this->height);
}
imagedestroy($this->ImageStream);
$this->ImageStream = $temp;
}
public function convert($sTargetType) {
/* convert image to given type [ jpg | gif | png ] */
if (!$this->ImageStream) {
$this->printError('image not loaded',__METHOD__,__LINE__);
}
switch($sTargetType) {
case 'gif':
$this->setImageType(1);
break;
case 'jpg':
$this->setImageType(2);
break;
case 'png':
$this->setImageType(3);
break;
default: $this->printError('invalid imagetype',__METHOD__,__LINE__);
}
}
}
?>
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