Codice PHP:
<?php
#################################################################################
# Watermark Image using Text script usage example
# For updates visit [url]http://www.zubrag.com/scripts/[/url]
#################################################################################
// Watermark text
$text = 'zubrag.com';
// Watermark text color, Hex format. Must start from #
$color = '#000000';
// Font name. Case sensitive (i.e. Arial not equals arial)
$font = 'arial.ttf';
// Font size
$font_size = '8';
// Angle for text rotation. For example 0 - horizontal, 90 - vertical
$angle = 90;
// Horizontal offset in pixels, from the right
$offset_x = 0;
// Vertical offset in pixels, from the bottom
$offset_y = 0;
// Shadow? true or false
$drop_shadow = true;
// Shadow color, Hex format. Must start from #
// This may help to make watermark text more distinguishable from image background
$shadow_color = '#909009';
// 1 - save as file on the server, 2 - output to browser, 3 - do both
$mode = 1;
// Images folder, must end with slash.
$images_folder = '/www/water/';
// Save watermarked images to this folder, must end with slash.
$destination_folder = '/www/water/dest/';
#################################################################################
# END OF SETTINGS
#################################################################################
// Load functions for image watermarking
include("watermark_text.class.php");
// Watermark all the "jpg" files from images folder
// and save watermarked images into destination folder
foreach (glob($images_folder."*.jpg") as $filename)
{
// Image path
$imgpath = $filename;
// Where to save watermarked image
$imgdestpath = $destination_folder . basename($filename);
// create class instance
$img = new Zubrag_watermark($imgpath);
// shadow params
$img->setShadow($drop_shadow, $shadow_color);
// font params
$img->setFont($font, $font_size);
// Apply watermark
$img->ApplyWatermark($text, $color, $angle, $offset_x, $offset_y);
// Save on server
$img->SaveAsFile($imgdestpath);
// Output to browser
$img->Output();
// release resources
$img->Free();
}
?>
Codice PHP:
<?php
#################################################################################
# Watermark Image with Text Class 1.0
#################################################################################
# For updates visit [url]http://www.zubrag.com/scripts/[/url]
#################################################################################
#
# REQUIREMENTS:
# PHP 4.0.6 and GD 2.0.1 or later
# May not work with GIFs if GD2 library installed on your server
# does not support GIF functions in full
#
#################################################################################
class Zubrag_watermark {
var $font = 'arial.ttf';
var $font_size = 16;
var $angle = 0;
var $offset_x = 0;
var $offset_y = 0;
var $quality = 100;
var $image_type = -1; // Image type: 1 = GIF, 2 = JPG, 3 = PNG
var $force_image_type = -1; // Change image type? (-1 = same as original, 1 = GIF, 2 = JPG, 3 = PNG)
var $save_to_file = true;
var $drop_shadow = false;
function Zubrag_watermark($image_path='') {
$this->setImagePath($image_path);
}
function setImagePath($image_path) {
$this->image_path = $image_path;
}
function setShadow($drop_shadow,$color='#606060') {
$this->drop_shadow = $drop_shadow;
$this->shadow_color = $color;
}
function setText($text, $color) {
$this->text = $text;
$this->color = $color;
}
function setAngle($angle) {
$this->angle = $angle;
}
function setOffset($x, $y) {
$this->offset_x = $x;
$this->offset_y = $y;
}
function setFont($font, $size = 0) {
if (!empty($font)) $this->font = $font;
if ($size != 0) $this->font_size = $size;
}
function ImageCreateFromType($type,$filename) {
$im = null;
switch ($type) {
case 1:
$im = ImageCreateFromGif($filename);
break;
case 2:
$im = ImageCreateFromJpeg($filename);
break;
case 3:
$im = ImageCreateFromPNG($filename);
break;
}
return $im;
}
function ApplyWatermark($text='', $color='', $angle=0, $offset_x=0, $offset_y=0) {
$this->setText($text, $color);
$this->setAngle($angle);
$this->setOffset($offset_x, $offset_y);
// Determine image size and type
$size = getimagesize($this->image_path);
$size_x = $size[0];
$size_y = $size[1];
$image_type = $size[2]; // 1 = GIF, 2 = JPG, 3 = PNG
// Load image
$this->image = $this->ImageCreateFromType($image_type, $this->image_path);
// Translate color to decimal
$color = sscanf($this->color, '#%2x%2x%2x');
$color_r = $color[0];
$color_g = $color[1];
$color_b = $color[2];
$this->image_type = ($this->force_image_type != -1 ? $this->force_image_type : $image_type);
/* Calculate TTF text size */
$ttfsize = imagettfbbox($this->font_size, $this->angle, $this->font, $this->text);
// Add custom insets
$ttfx = $this->offset_x + max($ttfsize[0],$ttfsize[2],$ttfsize[4],$ttfsize[6]);
$ttfy = $this->offset_y + max($ttfsize[1],$ttfsize[3],$ttfsize[5],$ttfsize[7]);
/* shadow */
if ($this->drop_shadow) {
// Translate color to decimal
$scolor = sscanf($this->shadow_color, '#%2x%2x%2x');
$scolor_r = $scolor[0];
$scolor_g = $scolor[1];
$scolor_b = $scolor[2];
$text_color = imagecolorallocate($this->image, $scolor_r, $scolor_g, $scolor_b);
imagettftext($this->image, $this->font_size,
$this->angle, // angle
$size_x - $ttfx - 2, // left inset
$size_y - $ttfy - 2, // top inset
$text_color, $this->font , $this->text)
or die('Cannot render TTF text.');
}
/* Render text */
$text_color = imagecolorallocate($this->image, $color_r, $color_g, $color_b);
imagettftext($this->image, $this->font_size,
$this->angle, // angle
$size_x - $ttfx - 3, // left inset
$size_y - $ttfy - 3, // top inset
$text_color, $this->font , $this->text)
or die('Cannot render TTF text.');
} // ApplyWatermark
function OutputImageInternal($im, $filename='') {
$res = null;
// ImageGIF is not included into some GD2 releases, so it might not work
// output png if gifs are not supported
if(($this->image_type == 1) && !function_exists('imagegif')) $this->image_type = 3;
switch ($this->image_type) {
case 1:
if ($this->save_to_file) {
$res = ImageGIF($im,$filename);
}
else {
header("Content-type: image/gif");
$res = ImageGIF($im);
}
break;
case 2:
if ($this->save_to_file) {
$res = ImageJPEG($im,$filename,$this->quality);
}
else {
header("Content-type: image/jpeg");
$res = ImageJPEG($im, NULL, $this->quality);
}
break;
case 3:
if (PHP_VERSION >= '5.1.2') {
// Convert to PNG quality.
// PNG quality: 0 (best quality, bigger file) to 9 (worst quality, smaller file)
$quality = 9 - min( round($this->quality / 10), 9 );
if ($this->save_to_file) {
$res = ImagePNG($im, $filename, $quality);
}
else {
header("Content-type: image/png");
$res = ImagePNG($im, NULL, $quality);
}
}
else {
if ($this->save_to_file) {
$res = ImagePNG($im, $filename);
}
else {
header("Content-type: image/png");
$res = ImagePNG($im);
}
}
break;
}
return $res;
}
function Output() {
$this->save_to_file = false;
$this->OutputImageInternal($this->image);
}
function SaveAsFile($filename) {
$this->save_to_file = true;
$this->OutputImageInternal($this->image, $filename);
}
function Free() {
imagedestroy($this->image);
}
}
?>
non capisco perchè non mi entra in questo ciclo
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