Picture Shrink print PHP class

Source: Internet
Author: User
  1. /**
  2. * Picture shrinkage Water printing type
  3. *
  4. */
  5. Class Cls_photo
  6. {
  7. protected $waterrate = 0.2; The scale of the watermark icon on the picture
  8. protected $width = 300; Thumbnail default width
  9. protected $height = 200; Thumbnail default height
  10. protected $padding = 5; The distance from the watermark graph to the edge
  11. protected $water _mark = "./water.png";
  12. protected $water _mark_pos = 5;//watermark Picture position (1= upper left corner, 2 = upper right corner, 3 = lower left corner, 4 = lower right corner, 5 center)
  13. Protected $watermode = 0;//0 thumbnail does not hit watermark 1 thumbnail when drawing water
  14. Protected $magick _handle;//Picture manipulation handle
  15. Protected $format = array (' jpg ', ' gif ', ' PNG ', ' jpeg '); Picture file format Qualification
  16. protected $smallpic _mode = 2;//default mode 0 is not to generate thumbnails, 1 for crop scaling, 2 for scaling 3 for scale fill mode
  17. /**
  18. * Set Picture class parameters
  19. *
  20. * @param $arg Picture parameters can be placed in the array several times as follows
  21. * @param $protected parameter values
  22. * Array (
  23. * ' Waterrate ' =>0.2,
  24. * ' water_mark ' = './water.png ',
  25. * ' Water_mark_pos ' =>4,
  26. * ' Smallpic_mode ' =>1
  27. * );
  28. * @return Ture/false
  29. */
  30. Public Function Set_args ($arg, $val = "")
  31. {
  32. $params = Array (' waterrate ', ' Water_mark ', ' water_mark_pos ', ' smallpic_mode ', ' watermode ', ' width ', ' height ');
  33. if (Is_array ($arg))
  34. {
  35. foreach ($arg as $k = $v)
  36. {
  37. if (In_array ($k, $params))
  38. {
  39. $this $k = $v;
  40. }
  41. }
  42. }
  43. Else
  44. {
  45. if (empty ($val))
  46. {
  47. return false;
  48. }
  49. Else
  50. {
  51. if (In_array ($arg, $params))
  52. {
  53. $this $arg = $val;
  54. }
  55. }
  56. }
  57. return true;
  58. }
  59. /**
  60. * Image Zoom
  61. *
  62. * @param $src _file source file path
  63. * @param $dst _file destination file path
  64. * @return thumbnail image path/false
  65. */
  66. Public Function Scale ($src _file, $dst _file= "")
  67. {
  68. $DST _width = $this->width;
  69. $DST _height = $this->height;
  70. $mode = $this->smallpic_mode;
  71. $magic _water_handle = Newmagickwand ();
  72. if (! Magickreadimage ($magic _water_handle, $src _file)) return false;
  73. Type
  74. $srcext = Strtolower (Magickgetimageformat ($magic _water_handle));
  75. if ($srcext = = ' bmp ')
  76. {
  77. $srcext = ' jpeg ';
  78. }
  79. if (!in_array ($srcext, $this->format)) return false;
  80. Size
  81. $src _width = magickgetimagewidth ($magic _water_handle);
  82. $src _height = magickgetimageheight ($magic _water_handle);
  83. Crop Zoom mode
  84. if ($mode = = 1)
  85. {
  86. $pos _x= $pos _y = 0;//trim Temporary position
  87. $src _widthc = $src _width;//Cut temporary width
  88. $src _HEIGHTC = $src _height;//Cut Temporary height
  89. if ($src _width/$src _height> $dst _width/$dst _height)
  90. {
  91. $src _widthc = $src _height* $dst _width/$dst _height;
  92. $pos _x = ($src _width-$src _widthc)/2;
  93. }
  94. Else
  95. {
  96. $src _HEIGHTC = $src _width* $dst _height/$dst _width;
  97. $pos _y = ($src _height-$src _heightc)/2;
  98. }
  99. Magickcropimage ($magic _water_handle, $src _widthc, $src _heightc, $pos _x, $pos _y);//Cut
  100. Because the Gif image changes after the Magickcropimage function, the canvas does not change
  101. $this->magick_handle = Newmagickwand ();
  102. Magicknewimage ($this->magick_handle, $src _widthc, $src _heightc, ' #ffffff ');
  103. Magicksetformat ($this->magick_handle, $srcext);
  104. Magickcompositeimage ($this->magick_handle, $magic _water_handle,mw_overcompositeop,0,0);
  105. Scaling
  106. Magickscaleimage ($this->magick_handle, $dst _width, $dst _height);
  107. }
  108. Proportional Zoom Mode
  109. if ($mode = = 2)
  110. {
  111. if ($src _width/$src _height> $dst _width/$dst _height)
  112. {
  113. $DST _height= $dst _width* $src _height/$src _width;
  114. }
  115. Else
  116. {
  117. $DST _width= $dst _height* $src _width/$src _height;
  118. }
  119. $this->magick_handle= $magic _water_handle;//Replacement
  120. Magickscaleimage ($this->magick_handle, $dst _width, $dst _height);//Zoom
  121. }
  122. Scale fill Mode
  123. if ($mode = = 3)
  124. {
  125. if ($src _width/$src _height> $dst _width/$dst _height)
  126. {
  127. $DST _heightc= $dst _width* $src _height/$src _width;
  128. $DST _widthc= $DST _width;
  129. }
  130. Else
  131. {
  132. $DST _widthc= $dst _height* $src _width/$src _height;
  133. $DST _heightc= $DST _height;
  134. }
  135. Magickscaleimage ($magic _water_handle, $dst _widthc, $dst _heightc);//Zoom
  136. $this->magick_handle = Newmagickwand ();
  137. Magicknewimage ($this->magick_handle, $dst _width, $dst _height, $this->smallpic_bgcolor);
  138. Magicksetformat ($this->magick_handle, $srcext);
  139. Magickcompositeimage ($this->magick_handle, $magic _water_handle,mw_overcompositeop, ($dst _width-$dst _widthc)/2 , ($dst _height-$dst _heightc)/2);
  140. }
  141. Play Watermark
  142. if ($this->watermode = = 1)
  143. {
  144. $this->set_mark ();
  145. }
  146. if (Empty ($dst _file))
  147. {
  148. Create a temporary file
  149. $DST _file = Tempnam ($_server["Sinasrv_cache_dir"], "tmp_img");
  150. }
  151. Magickwriteimage ($this->magick_handle, $dst _file);
  152. return $DST _file;
  153. }
  154. /**
  155. * Water Stamp
  156. *
  157. * @param $src _file The image path to be watermarked
  158. * @param $dst _file production watermark File save path, empty the production of random temporary files
  159. * @return Watermark File path/false
  160. */
  161. Public Function Water_mark ($src _file, $dst _file= "")
  162. {
  163. $this->magick_handle = Newmagickwand ();
  164. if (! Magickreadimage ($this->magick_handle, $src _file))
  165. return false;
  166. $this->set_mark ();
  167. if (Empty ($dst _file))
  168. {
  169. Create a temporary file
  170. $DST _file = Tempnam ($_server["Sinasrv_cache_dir"], "tmp_img");
  171. }
  172. Magickwriteimage ($this->magick_handle, $dst _file);
  173. return $DST _file;
  174. }
  175. /**
  176. * Internal interface
  177. * Give the picture a water stamp
  178. *
  179. */
  180. protected function Set_mark ()
  181. {
  182. Size
  183. $DST _width = magickgetimagewidth ($this->magick_handle);
  184. $DST _height = magickgetimageheight ($this->magick_handle);
  185. Working with Watermark Maps
  186. if ($this->water_mark && is_file ($this->water_mark))
  187. {
  188. $magic _water_handle = Newmagickwand ();
  189. Magickremoveimage ($magic _water_handle);
  190. if (Magickreadimage ($magic _water_handle, $this->water_mark))
  191. {
  192. Magickscaleimage ($magic _water_handle, $dst _width* $this->waterrate, $dst _width* $this->waterrate* Magickgetimageheight ($magic _water_handle)/magickgetimagewidth ($magic _water_handle)),//water release to the picture of 1/5
  193. if ($this->water_mark_pos = = 1)
  194. {
  195. $left = $this->padding;
  196. $top = $this->padding;
  197. }
  198. ElseIf ($this->water_mark_pos = = 2)
  199. {
  200. $left = $dst _width-$this->padding-magickgetimagewidth ($magic _water_handle);
  201. $top = $this->padding;
  202. }
  203. ElseIf ($this->water_mark_pos = = 3)
  204. {
  205. $left = $this->padding;
  206. $top = $dst _height-$this->padding-magickgetimageheight ($magic _water_handle);
  207. }
  208. ElseIf ($this->water_mark_pos = = 4)
  209. {
  210. $left = $dst _width-$this->padding-magickgetimagewidth ($magic _water_handle);
  211. $top = $dst _height-$this->padding-magickgetimageheight ($magic _water_handle);
  212. }
  213. ElseIf ($this->water_mark_pos = = 5)
  214. {
  215. $left = ($dst _width-magickgetimagewidth ($magic _water_handle))/2;
  216. $top = ($dst _height-magickgetimageheight ($magic _water_handle))/2;
  217. }
  218. Magickcompositeimage ($this->magick_handle, $magic _water_handle,mw_overcompositeop, $left, $top);
  219. }
  220. }
  221. }
  222. }
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