Просмотр файла engine/classes/file_screen.class.php

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  1. <?php
  2. /*
  3. =============================================
  4. Движок: SHCMS Engine
  5. =============================================
  6. Название файла: Функция обработки скринов
  7. =============================================
  8. Official website: http://shcms.ru
  9. =============================================
  10.  Данный код защищен авторскими правами
  11. =============================================
  12. */
  13. class screen {
  14. 	
  15. 	private $image_file;
  16. 	
  17. 	public $image;
  18. 	public $image_type;
  19. 	public $image_width;
  20. 	public $image_height;
  21. 	
  22. 	
  23. 	public function __construct($image_file) {
  24. 		$this->image_file=$image_file;
  25. 		$image_info = getimagesize($this->image_file);
  26. 		$this->image_width = $image_info[0];
  27. 		$this->image_height = $image_info[1];
  28. 		switch($image_info[2]) 
  29. 		{
  30. 			case 1: $this->image_type = 'gif';  break;    //1: IMAGETYPE_GIF
  31. 			case 2: $this->image_type = 'jpeg'; break;   //2: IMAGETYPE_JPEG
  32. 			case 3: $this->image_type = 'png';  break;    //3: IMAGETYPE_PNG
  33. 			case 4: $this->image_type = 'swf';  break;    //4: IMAGETYPE_SWF
  34. 			case 5: $this->image_type = 'psd';  break;    //5: IMAGETYPE_PSD
  35. 			case 6: $this->image_type = 'bmp';  break;    //6: IMAGETYPE_BMP
  36. 			case 7: $this->image_type = 'tiffi';break;  //7: IMAGETYPE_TIFF_II (порядок байт intel)
  37. 			case 8: $this->image_type = 'tiffm';break;  //8: IMAGETYPE_TIFF_MM (порядок байт motorola)
  38. 			case 9: $this->image_type = 'jpc';  break;    //9: IMAGETYPE_JPC
  39. 			case 10: $this->image_type = 'jp2'; break;   //10: IMAGETYPE_JP2
  40. 			case 11: $this->image_type = 'jpx'; break;   //11: IMAGETYPE_JPX
  41. 			case 12: $this->image_type = 'jb2'; break;   //12: IMAGETYPE_JB2
  42. 			case 13: $this->image_type = 'swc'; break;   //13: IMAGETYPE_SWC
  43. 			case 14: $this->image_type = 'iff'; break;   //14: IMAGETYPE_IFF
  44. 			case 15: $this->image_type = 'wbmp';break;  //15: IMAGETYPE_WBMP
  45. 			case 16: $this->image_type = 'xbm'; break;   //16: IMAGETYPE_XBM
  46. 			case 17: $this->image_type = 'ico'; break;   //17: IMAGETYPE_ICO
  47. 			default: $this->image_type = '';    break;
  48. 		}
  49. 		$this->fotoimage();
  50. 	}
  51. 	
  52. 	private function fotoimage() {
  53. 		switch($this->image_type) {
  54. 			case 'gif': $this->image = imagecreatefromgif($this->image_file); break;
  55. 			case 'jpeg': $this->image = imagecreatefromjpeg($this->image_file); break;
  56. 			case 'png': $this->image = imagecreatefrompng($this->image_file); break;
  57. 		}
  58. 	}
  59. 	
  60. 	public function autoimageresize($new_w, $new_h) {
  61. 		$difference_w = 0;
  62. 		$difference_h = 0;
  63. 		if($this->image_width < $new_w && $this->image_height < $new_h) {
  64. 			$this->imageresize($this->image_width, $this->image_height);
  65. 		}
  66. 		else {
  67. 			if($this->image_width > $new_w) {
  68. 				$difference_w = $this->image_width - $new_w;
  69. 			}
  70. 			if($this->image_height > $new_h) {
  71. 				$difference_h = $this->image_height - $new_h;
  72. 			}
  73. 				if($difference_w > $difference_h) {
  74. 					$this->imageresizewidth($new_w);
  75. 				}
  76. 				elseif($difference_w < $difference_h) {
  77. 					$this->imageresizeheight($new_h);
  78. 				}
  79. 				else {
  80. 					$this->imageresize($new_w, $new_h);
  81. 				}
  82. 		}
  83. 	}
  84. 	
  85. 	public function percentimagereduce($percent) {
  86. 		$new_w = $this->image_width * $percent / 100;
  87. 		$new_h = $this->image_height * $percent / 100;
  88. 		$this->imageresize($new_w, $new_h);
  89. 	}
  90. 	
  91. 	public function imageresizewidth($new_w) {
  92. 		$new_h = $this->image_height * ($new_w / $this->image_width);
  93. 		$this->imageresize($new_w, $new_h);
  94. 	}
  95. 	
  96. 	public function imageresizeheight($new_h) {
  97. 		$new_w = $this->image_width * ($new_h / $this->image_height);
  98. 		$this->imageresize($new_w, $new_h);
  99. 	}
  100. 	
  101. 	public function imageresize($new_w, $new_h) {
  102. 		$new_image = imagecreatetruecolor($new_w, $new_h);
  103. 		imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $new_w, $new_h, $this->image_width, $this->image_height);
  104. 		$this->image_width = $new_w;
  105. 		$this->image_height = $new_h;
  106. 		$this->image = $new_image;
  107. 	}
  108. 	
  109. 	public function imagesave($image_type='jpeg', $image_file=NULL, $image_compress=100, $image_permiss='') {
  110. 		if($image_file==NULL) {
  111. 			switch($this->image_type) {
  112. 				case 'gif': header("Content-type: image/gif"); break;
  113. 				case 'jpeg': header("Content-type: image/jpeg"); break;
  114. 				case 'png': header("Content-type: image/png"); break;
  115. 			}
  116. 		}
  117. 		switch($this->image_type) {
  118. 			case 'gif': imagegif($this->image, $image_file); break;
  119. 			case 'jpeg': imagejpeg($this->image, $image_file, $image_compress); break;
  120. 			case 'png': imagepng($this->image, $image_file); break;
  121. 		}
  122. 		if($image_permiss != '') {
  123. 			chmod($image_file, $image_permiss);
  124. 		}
  125. 	}
  126. 	
  127. 	public function imageout() {
  128. 		imagedestroy($this->image);
  129. 	}
  130. 	
  131. 	public function __destruct() {
  132. 		
  133. 	}
  134. 	
  135. }
  136.  
  137.  
  138.  
  139. ?>