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  1. <?php
  2. //============================================================+
  3. // File name : example_042.php
  4. // Begin : 2008-12-23
  5. // Last Update : 2013-05-14
  6. //
  7. // Description : Example 042 for TCPDF class
  8. // Test Image with alpha channel
  9. //
  10. // Author: Nicola Asuni
  11. //
  12. // (c) Copyright:
  13. // Nicola Asuni
  14. // Tecnick.com LTD
  15. // www.tecnick.com
  16. // info@tecnick.com
  17. //============================================================+
  18. /**
  19. * Creates an example PDF TEST document using TCPDF
  20. * @package com.tecnick.tcpdf
  21. * @abstract TCPDF - Example: Test Image with alpha channel
  22. * @author Nicola Asuni
  23. * @since 2008-12-23
  24. */
  25. // Include the main TCPDF library (search for installation path).
  26. require_once('tcpdf_include.php');
  27. // create new PDF document
  28. $pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
  29. // set document information
  30. $pdf->SetCreator(PDF_CREATOR);
  31. $pdf->SetAuthor('Nicola Asuni');
  32. $pdf->SetTitle('TCPDF Example 042');
  33. $pdf->SetSubject('TCPDF Tutorial');
  34. $pdf->SetKeywords('TCPDF, PDF, example, test, guide');
  35. // set default header data
  36. $pdf->SetHeaderData(PDF_HEADER_LOGO, PDF_HEADER_LOGO_WIDTH, PDF_HEADER_TITLE.' 042', PDF_HEADER_STRING);
  37. // set header and footer fonts
  38. $pdf->setHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
  39. $pdf->setFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));
  40. // set default monospaced font
  41. $pdf->SetDefaultMonospacedFont(PDF_FONT_MONOSPACED);
  42. // set margins
  43. $pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
  44. $pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
  45. $pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
  46. // set auto page breaks
  47. $pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
  48. // set image scale factor
  49. $pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
  50. // set some language-dependent strings (optional)
  51. if (@file_exists(dirname(__FILE__).'/lang/eng.php')) {
  52. require_once(dirname(__FILE__).'/lang/eng.php');
  53. $pdf->setLanguageArray($l);
  54. }
  55. // ---------------------------------------------------------
  56. // set JPEG quality
  57. //$pdf->setJPEGQuality(75);
  58. $pdf->SetFont('helvetica', '', 18);
  59. // add a page
  60. $pdf->AddPage();
  61. // create background text
  62. $background_text = str_repeat('TCPDF test PNG Alpha Channel ', 50);
  63. $pdf->MultiCell(0, 5, $background_text, 0, 'J', 0, 2, '', '', true, 0, false);
  64. // --- Method (A) ------------------------------------------
  65. // the Image() method recognizes the alpha channel embedded on the image:
  66. $pdf->Image('images/image_with_alpha.png', 50, 50, 100, '', '', 'http://www.tcpdf.org', '', false, 300);
  67. // --- Method (B) ------------------------------------------
  68. // provide image + separate 8-bit mask
  69. // first embed mask image (w, h, x and y will be ignored, the image will be scaled to the target image's size)
  70. $mask = $pdf->Image('images/alpha.png', 50, 140, 100, '', '', '', '', false, 300, '', true);
  71. // embed image, masked with previously embedded mask
  72. $pdf->Image('images/img.png', 50, 140, 100, '', '', 'http://www.tcpdf.org', '', false, 300, '', false, $mask);
  73. // ---------------------------------------------------------
  74. //Close and output PDF document
  75. $pdf->Output('example_042.pdf', 'I');
  76. //============================================================+
  77. // END OF FILE
  78. //============================================================+