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src/Tools/TemplateImage.php

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+<?php
+
+require_once 'core/tools/drawing.php';
+
+/**
+ * Формат для композиции изображений
+ */
+class TemplateImage
+{
+    static $listfiles = array('jpg' => 'jpeg', 'gif' => 'gif', 'png' => 'png', 'bmp' => 'wbmp');
+    static $listfonts = array(
+        'georgia'  => 'georgia.ttf', 
+        'georgiabd' => 'georgiab.ttf', 
+        'georgiaz' => 'georgiaz.ttf', 
+        'times'    => 'times.ttf', 
+        'timesbd'  => 'timesbd.ttf', 
+        'arial'    => 'arial.ttf', 
+        'arialbd'  => 'arialbd.ttf', 
+        'tahoma'   => 'tahoma.ttf', 
+        'calibri'  => 'calibri.ttf',
+        'calibribd' => 'calibrib.ttf',
+        'calibrii' => 'calibrii.ttf',
+        '' => 'arial.ttf',
+        'dejavu' => 'DejaVuCondensedSerif.ttf',
+        'dejavubd' => 'DejaVuCondensedSerifBold.ttf',
+        'dejavuz' =>'DejaVuCondensedSerifBoldItalic.ttf',
+        'dejavui' => 'DejaVuCondensedSerifItalic.ttf',
+        'miriad' => 'MyriadPro-Cond.ttf',
+        'miriadbd' => 'MyriadPro-BoldCond.ttf'
+
+);
+
+    protected $src;
+    protected $context = array();
+    protected $data    = array();
+    protected $base    = "c:\\windows\\fonts\\";
+    protected $image;
+    protected $prepare = true;
+    public $debug = false;
+
+    function __construct ($template = false)
+    {
+//        assert(is_string($src));
+        if($template) {
+            $this->data = $template;
+        }
+    }
+
+    /**
+     * Путь к изображению
+     */
+    function resourcePath($path)
+    {
+        assert(is_string($path));
+
+        $this->resource = $path;
+    }
+
+    /**
+     * Путь у шрифтам
+     */
+    function fontPath($path) 
+    {
+        assert(is_string($path));
+
+        $this->base = $path;
+    }
+    
+    function set($name, $value) 
+    {
+        assert(is_string($name));
+
+        $this->context['['.$name.']'] = $this->encode($value);
+    }
+
+    function setImage($name)
+    {
+        $this->filename = $name;
+        $this->image = $this->imagefromfile($name);
+    }
+
+    function setEmptyImage($width, $height)
+    {
+        $this->image = imagecreatetruecolor($width, $height);
+    }
+
+    /**
+     * Создает изображение из файла
+     */
+    function imagefromfile($file) 
+    {
+        assert(is_string($file));
+
+        $suffix = pathinfo($file, PATHINFO_EXTENSION);  
+        if (array_key_exists($suffix, self::$listfiles)) {
+            return call_user_func('imagecreatefrom' . self::$listfiles[$suffix], $file);
+        }
+        return null;
+    }
+
+    function getFontFile($name)
+    {        
+        assert(is_string($name));
+
+        if(array_key_exists(strtolower($name), self::$listfonts)) {
+            return $this->base . self::$listfonts[$name];
+        }                 
+        return $this->base . 'arial.ttf';
+    }
+
+    function fontSuffix($style)
+    {
+        if($style[0] && $style[1]) return "z";
+
+        if($style[0]) return "bd";
+        if($style[1]) return "i";
+
+        return "";
+    }
+
+    function imageText($text, $value)
+    {
+        assert(is_string($text));
+
+        $text     = strtr($text, $this->context);
+        $size     = $value->fontSize;
+        fb('font-style');
+        fb($value->fontStyle);
+        $fontfile = $this->getFontFile($value->fontFamily . $this->fontSuffix($value->fontStyle));
+
+        $color = intval(substr($value->color, 1), 16);
+        if ($value->align[0]) { 
+            $align = Drawing::ALIGN_LEFT;
+        } elseif ($value->align[2]) { 
+            $align = Drawing::ALIGN_RIGHT;
+        } else {
+            $align = Drawing::ALIGN_CENTER;
+        }
+
+        if ($value->valign[0]) { 
+            $valign = Drawing::ALIGN_TOP;
+      } elseif ($value->valign[1]) { 
+            $valign = Drawing::ALIGN_CENTER;
+        } else {
+            $valign = Drawing::ALIGN_BOTTOM;
+        }
+
+        Drawing::imagettftextbox($this->image, $size, 0, $value->left, $value->top, $color, $fontfile, $text, 
+            $value->width, $value->height,
+            $align, $valign);
+    }
+
+    /**
+     * Перекодировка текста
+     */
+    function encode($text)
+    {
+        assert(is_string($text));
+        return iconv("WINDOWS-1251", "UTF-8", $text);
+    }
+
+    function setSize($new_width, $new_height)
+    {        
+        $width  = imagesx($this->image); 
+        $height = imagesy($this->image);
+        if($new_height == false) {
+            $new_height = ceil($height * $new_width / $width);
+        }
+
+        // Resample
+        $image_p = imagecreatetruecolor($new_width, $new_height);
+        imagecopyresampled($image_p, $this->image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
+//        imagecopyresized($image_p, $this->image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
+        $this->image = $image_p;
+    }        
+
+    function prepare() {
+        if($this->prepare) {
+            $this->prepare = false;
+            foreach ($this->data as $value) {
+                $this->imageText($value->text, $value); // break;
+            }
+        }
+    }
+
+    /**
+     * Генерирует изображение из шаблона
+     */
+    function render($file = null)
+    {
+        assert(is_string($file) || is_null($file));
+
+        $this->prepare();
+
+        if ($file == null) {
+            ob_start();
+            imagejpeg($this->image, $file, 100);
+            $result = ob_get_contents();
+            ob_clean();
+            return $result;
+        } else {
+            return imagejpeg($this->image, $file, 100);
+        }
+    }
+}
+