1 | <?php |
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2 | // |
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3 | // FPDI - Version 1.4 |
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4 | // |
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5 | // Copyright 2004-2010 Setasign - Jan Slabon |
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6 | // |
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7 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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8 | // you may not use this file except in compliance with the License. |
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9 | // You may obtain a copy of the License at |
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10 | // |
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11 | // http://www.apache.org/licenses/LICENSE-2.0 |
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12 | // |
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13 | // Unless required by applicable law or agreed to in writing, software |
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14 | // distributed under the License is distributed on an "AS IS" BASIS, |
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15 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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16 | // See the License for the specific language governing permissions and |
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17 | // limitations under the License. |
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18 | // |
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19 | |
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20 | define('FPDI_VERSION', '1.4'); |
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21 | |
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22 | // Check for TCPDF and remap TCPDF to FPDF |
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23 | if (class_exists('TCPDF', false)) { |
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24 | require_once('fpdi2tcpdf_bridge.php'); |
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25 | } |
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26 | |
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27 | require_once('fpdf_tpl.php'); |
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28 | require_once('fpdi_pdf_parser.php'); |
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29 | |
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30 | |
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31 | class FPDI extends FPDF_TPL { |
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32 | /** |
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33 | * Actual filename |
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34 | * @var string |
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35 | */ |
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36 | var $current_filename; |
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37 | |
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38 | /** |
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39 | * Parser-Objects |
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40 | * @var array |
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41 | */ |
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42 | var $parsers; |
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43 | |
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44 | /** |
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45 | * Current parser |
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46 | * @var object |
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47 | */ |
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48 | var $current_parser; |
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49 | |
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50 | /** |
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51 | * object stack |
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52 | * @var array |
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53 | */ |
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54 | var $_obj_stack; |
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55 | |
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56 | /** |
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57 | * done object stack |
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58 | * @var array |
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59 | */ |
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60 | var $_don_obj_stack; |
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61 | |
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62 | /** |
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63 | * Current Object Id. |
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64 | * @var integer |
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65 | */ |
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66 | var $_current_obj_id; |
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67 | |
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68 | /** |
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69 | * The name of the last imported page box |
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70 | * @var string |
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71 | */ |
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72 | var $lastUsedPageBox; |
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73 | |
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74 | /** |
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75 | * Cache for imported pages/template ids |
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76 | * @var array |
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77 | */ |
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78 | var $_importedPages = array(); |
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79 | |
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80 | /** |
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81 | * Set a source-file |
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82 | * |
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83 | * @param string $filename a valid filename |
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84 | * @return int number of available pages |
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85 | */ |
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86 | function setSourceFile($filename) { |
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87 | $this->current_filename = $filename; |
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88 | |
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89 | if (!isset($this->parsers[$filename])) |
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90 | $this->parsers[$filename] = $this->_getPdfParser($filename); |
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91 | $this->current_parser =& $this->parsers[$filename]; |
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92 | |
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93 | return $this->parsers[$filename]->getPageCount(); |
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94 | } |
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95 | |
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96 | /** |
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97 | * Returns a PDF parser object |
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98 | * |
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99 | * @param string $filename |
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100 | * @return fpdi_pdf_parser |
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101 | */ |
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102 | function _getPdfParser($filename) { |
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103 | return new fpdi_pdf_parser($filename, $this); |
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104 | } |
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105 | |
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106 | /** |
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107 | * Get the current PDF version |
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108 | * |
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109 | * @return string |
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110 | */ |
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111 | function getPDFVersion() { |
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112 | return $this->PDFVersion; |
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113 | } |
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114 | |
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115 | /** |
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116 | * Set the PDF version |
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117 | * |
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118 | * @return string |
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119 | */ |
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120 | function setPDFVersion($version = '1.3') { |
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121 | $this->PDFVersion = $version; |
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122 | } |
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123 | |
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124 | /** |
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125 | * Import a page |
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126 | * |
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127 | * @param int $pageno pagenumber |
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128 | * @return int Index of imported page - to use with fpdf_tpl::useTemplate() |
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129 | */ |
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130 | function importPage($pageno, $boxName = '/CropBox') { |
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131 | if ($this->_intpl) { |
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132 | return $this->error('Please import the desired pages before creating a new template.'); |
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133 | } |
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134 | |
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135 | $fn = $this->current_filename; |
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136 | |
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137 | // check if page already imported |
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138 | $pageKey = $fn . ((int)$pageno) . $boxName; |
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139 | if (isset($this->_importedPages[$pageKey])) |
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140 | return $this->_importedPages[$pageKey]; |
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141 | |
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142 | $parser =& $this->parsers[$fn]; |
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143 | $parser->setPageno($pageno); |
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144 | |
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145 | if (!in_array($boxName, $parser->availableBoxes)) |
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146 | return $this->Error(sprintf('Unknown box: %s', $boxName)); |
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147 | $pageboxes = $parser->getPageBoxes($pageno, $this->k); |
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148 | |
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149 | /** |
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150 | * MediaBox |
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151 | * CropBox: Default -> MediaBox |
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152 | * BleedBox: Default -> CropBox |
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153 | * TrimBox: Default -> CropBox |
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154 | * ArtBox: Default -> CropBox |
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155 | */ |
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156 | if (!isset($pageboxes[$boxName]) && ($boxName == '/BleedBox' || $boxName == '/TrimBox' || $boxName == '/ArtBox')) |
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157 | $boxName = '/CropBox'; |
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158 | if (!isset($pageboxes[$boxName]) && $boxName == '/CropBox') |
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159 | $boxName = '/MediaBox'; |
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160 | |
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161 | if (!isset($pageboxes[$boxName])) |
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162 | return false; |
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163 | $this->lastUsedPageBox = $boxName; |
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164 | |
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165 | $box = $pageboxes[$boxName]; |
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166 | |
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167 | $this->tpl++; |
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168 | $this->tpls[$this->tpl] = array(); |
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169 | $tpl =& $this->tpls[$this->tpl]; |
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170 | $tpl['parser'] =& $parser; |
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171 | $tpl['resources'] = $parser->getPageResources(); |
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172 | $tpl['buffer'] = $parser->getContent(); |
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173 | $tpl['box'] = $box; |
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174 | |
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175 | // To build an array that can be used by PDF_TPL::useTemplate() |
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176 | $this->tpls[$this->tpl] = array_merge($this->tpls[$this->tpl], $box); |
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177 | |
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178 | // An imported page will start at 0,0 everytime. Translation will be set in _putformxobjects() |
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179 | $tpl['x'] = 0; |
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180 | $tpl['y'] = 0; |
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181 | |
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182 | // handle rotated pages |
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183 | $rotation = $parser->getPageRotation($pageno); |
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184 | $tpl['_rotationAngle'] = 0; |
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185 | if (isset($rotation[1]) && ($angle = $rotation[1] % 360) != 0) { |
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186 | $steps = $angle / 90; |
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187 | |
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188 | $_w = $tpl['w']; |
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189 | $_h = $tpl['h']; |
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190 | $tpl['w'] = $steps % 2 == 0 ? $_w : $_h; |
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191 | $tpl['h'] = $steps % 2 == 0 ? $_h : $_w; |
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192 | |
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193 | if ($angle < 0) |
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194 | $angle += 360; |
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195 | |
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196 | $tpl['_rotationAngle'] = $angle * -1; |
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197 | } |
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198 | |
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199 | $this->_importedPages[$pageKey] = $this->tpl; |
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200 | |
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201 | return $this->tpl; |
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202 | } |
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203 | |
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204 | function getLastUsedPageBox() { |
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205 | return $this->lastUsedPageBox; |
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206 | } |
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207 | |
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208 | function useTemplate($tplidx, $_x = null, $_y = null, $_w = 0, $_h = 0, $adjustPageSize = false) { |
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209 | if ($adjustPageSize == true && is_null($_x) && is_null($_y)) { |
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210 | $size = $this->getTemplateSize($tplidx, $_w, $_h); |
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211 | $format = array($size['w'], $size['h']); |
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212 | if (is_subclass_of($this, 'TCPDF')) { |
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213 | $this->setPageFormat($format, $format[0] > $format[1] ? 'L' : 'P'); |
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214 | } else { |
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215 | if ($format[0] != $this->CurPageFormat[0] || $format[1] != $this->CurPageFormat[1]) { |
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216 | $this->w = $format[0]; |
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217 | $this->h = $format[1]; |
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218 | $this->wPt = $this->w * $this->k; |
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219 | $this->hPt = $this->h * $this->k; |
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220 | $this->PageBreakTrigger = $this->h - $this->bMargin; |
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221 | $this->CurPageFormat = $format; |
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222 | $this->PageSizes[$this->page] = array($this->wPt, $this->hPt); |
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223 | } |
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224 | } |
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225 | } |
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226 | |
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227 | $this->_out('q 0 J 1 w 0 j 0 G 0 g'); // reset standard values |
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228 | $s = parent::useTemplate($tplidx, $_x, $_y, $_w, $_h); |
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229 | $this->_out('Q'); |
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230 | |
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231 | return $s; |
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232 | } |
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233 | |
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234 | /** |
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235 | * Private method, that rebuilds all needed objects of source files |
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236 | */ |
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237 | function _putimportedobjects() { |
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238 | if (is_array($this->parsers) && count($this->parsers) > 0) { |
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239 | foreach($this->parsers AS $filename => $p) { |
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240 | $this->current_parser =& $this->parsers[$filename]; |
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241 | if (isset($this->_obj_stack[$filename]) && is_array($this->_obj_stack[$filename])) { |
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242 | while(($n = key($this->_obj_stack[$filename])) !== null) { |
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243 | $nObj = $this->current_parser->pdf_resolve_object($this->current_parser->c, $this->_obj_stack[$filename][$n][1]); |
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244 | |
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245 | $this->_newobj($this->_obj_stack[$filename][$n][0]); |
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246 | |
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247 | if ($nObj[0] == PDF_TYPE_STREAM) { |
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248 | $this->pdf_write_value($nObj); |
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249 | } else { |
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250 | $this->pdf_write_value($nObj[1]); |
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251 | } |
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252 | |
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253 | $this->_out('endobj'); |
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254 | $this->_obj_stack[$filename][$n] = null; // free memory |
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255 | unset($this->_obj_stack[$filename][$n]); |
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256 | reset($this->_obj_stack[$filename]); |
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257 | } |
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258 | } |
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259 | } |
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260 | } |
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261 | } |
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262 | |
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263 | |
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264 | /** |
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265 | * Private Method that writes the form xobjects |
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266 | */ |
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267 | function _putformxobjects() { |
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268 | $filter=($this->compress) ? '/Filter /FlateDecode ' : ''; |
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269 | reset($this->tpls); |
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270 | foreach($this->tpls AS $tplidx => $tpl) { |
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271 | $p=($this->compress) ? gzcompress($tpl['buffer']) : $tpl['buffer']; |
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272 | $this->_newobj(); |
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273 | $cN = $this->n; // TCPDF/Protection: rem current "n" |
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274 | |
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275 | $this->tpls[$tplidx]['n'] = $this->n; |
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276 | $this->_out('<<' . $filter . '/Type /XObject'); |
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277 | $this->_out('/Subtype /Form'); |
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278 | $this->_out('/FormType 1'); |
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279 | |
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280 | $this->_out(sprintf('/BBox [%.2F %.2F %.2F %.2F]', |
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281 | (isset($tpl['box']['llx']) ? $tpl['box']['llx'] : $tpl['x']) * $this->k, |
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282 | (isset($tpl['box']['lly']) ? $tpl['box']['lly'] : -$tpl['y']) * $this->k, |
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283 | (isset($tpl['box']['urx']) ? $tpl['box']['urx'] : $tpl['w'] + $tpl['x']) * $this->k, |
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284 | (isset($tpl['box']['ury']) ? $tpl['box']['ury'] : $tpl['h'] - $tpl['y']) * $this->k |
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285 | )); |
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286 | |
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287 | $c = 1; |
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288 | $s = 0; |
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289 | $tx = 0; |
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290 | $ty = 0; |
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291 | |
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292 | if (isset($tpl['box'])) { |
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293 | $tx = -$tpl['box']['llx']; |
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294 | $ty = -$tpl['box']['lly']; |
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295 | |
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296 | if ($tpl['_rotationAngle'] <> 0) { |
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297 | $angle = $tpl['_rotationAngle'] * M_PI/180; |
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298 | $c=cos($angle); |
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299 | $s=sin($angle); |
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300 | |
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301 | switch($tpl['_rotationAngle']) { |
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302 | case -90: |
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303 | $tx = -$tpl['box']['lly']; |
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304 | $ty = $tpl['box']['urx']; |
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305 | break; |
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306 | case -180: |
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307 | $tx = $tpl['box']['urx']; |
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308 | $ty = $tpl['box']['ury']; |
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309 | break; |
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310 | case -270: |
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311 | $tx = $tpl['box']['ury']; |
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312 | $ty = -$tpl['box']['llx']; |
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313 | break; |
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314 | } |
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315 | } |
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316 | } else if ($tpl['x'] != 0 || $tpl['y'] != 0) { |
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317 | $tx = -$tpl['x']*2; |
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318 | $ty = $tpl['y']*2; |
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319 | } |
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320 | |
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321 | $tx *= $this->k; |
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322 | $ty *= $this->k; |
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323 | |
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324 | if ($c != 1 || $s != 0 || $tx != 0 || $ty != 0) { |
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325 | $this->_out(sprintf('/Matrix [%.5F %.5F %.5F %.5F %.5F %.5F]', |
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326 | $c, $s, -$s, $c, $tx, $ty |
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327 | )); |
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328 | } |
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329 | |
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330 | $this->_out('/Resources '); |
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331 | |
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332 | if (isset($tpl['resources'])) { |
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333 | $this->current_parser =& $tpl['parser']; |
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334 | $this->pdf_write_value($tpl['resources']); // "n" will be changed |
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335 | } else { |
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336 | $this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]'); |
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337 | if (isset($this->_res['tpl'][$tplidx]['fonts']) && count($this->_res['tpl'][$tplidx]['fonts'])) { |
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338 | $this->_out('/Font <<'); |
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339 | foreach($this->_res['tpl'][$tplidx]['fonts'] as $font) |
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340 | $this->_out('/F' . $font['i'] . ' ' . $font['n'] . ' 0 R'); |
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341 | $this->_out('>>'); |
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342 | } |
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343 | if(isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images']) || |
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344 | isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) |
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345 | { |
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346 | $this->_out('/XObject <<'); |
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347 | if (isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images'])) { |
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348 | foreach($this->_res['tpl'][$tplidx]['images'] as $image) |
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349 | $this->_out('/I' . $image['i'] . ' ' . $image['n'] . ' 0 R'); |
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350 | } |
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351 | if (isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) { |
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352 | foreach($this->_res['tpl'][$tplidx]['tpls'] as $i => $tpl) |
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353 | $this->_out($this->tplprefix . $i . ' ' . $tpl['n'] . ' 0 R'); |
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354 | } |
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355 | $this->_out('>>'); |
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356 | } |
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357 | $this->_out('>>'); |
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358 | } |
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359 | |
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360 | $nN = $this->n; // TCPDF: rem new "n" |
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361 | $this->n = $cN; // TCPDF: reset to current "n" |
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362 | $this->_out('/Length ' . strlen($p) . ' >>'); |
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363 | $this->_putstream($p); |
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364 | $this->_out('endobj'); |
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365 | $this->n = $nN; // TCPDF: reset to new "n" |
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366 | } |
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367 | |
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368 | $this->_putimportedobjects(); |
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369 | } |
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370 | |
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371 | /** |
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372 | * Rewritten to handle existing own defined objects |
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373 | */ |
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374 | function _newobj($obj_id = false, $onlynewobj = false) { |
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375 | if (!$obj_id) { |
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376 | $obj_id = ++$this->n; |
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377 | } |
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378 | |
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379 | //Begin a new object |
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380 | if (!$onlynewobj) { |
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381 | $this->offsets[$obj_id] = is_subclass_of($this, 'TCPDF') ? $this->bufferlen : strlen($this->buffer); |
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382 | $this->_out($obj_id . ' 0 obj'); |
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383 | $this->_current_obj_id = $obj_id; // for later use with encryption |
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384 | } |
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385 | |
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386 | return $obj_id; |
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387 | } |
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388 | |
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389 | /** |
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390 | * Writes a value |
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391 | * Needed to rebuild the source document |
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392 | * |
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393 | * @param mixed $value A PDF-Value. Structure of values see cases in this method |
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394 | */ |
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395 | function pdf_write_value(&$value) |
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396 | { |
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397 | if (is_subclass_of($this, 'TCPDF')) { |
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398 | parent::pdf_write_value($value); |
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399 | } |
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400 | |
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401 | switch ($value[0]) { |
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402 | |
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403 | case PDF_TYPE_TOKEN: |
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404 | $this->_straightOut($value[1] . ' '); |
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405 | break; |
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406 | case PDF_TYPE_NUMERIC: |
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407 | case PDF_TYPE_REAL: |
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408 | if (is_float($value[1]) && $value[1] != 0) { |
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409 | $this->_straightOut(rtrim(rtrim(sprintf('%F', $value[1]), '0'), '.') . ' '); |
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410 | } else { |
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411 | $this->_straightOut($value[1] . ' '); |
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412 | } |
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413 | break; |
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414 | |
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415 | case PDF_TYPE_ARRAY: |
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416 | |
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417 | // An array. Output the proper |
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418 | // structure and move on. |
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419 | |
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420 | $this->_straightOut('['); |
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421 | for ($i = 0; $i < count($value[1]); $i++) { |
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422 | $this->pdf_write_value($value[1][$i]); |
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423 | } |
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424 | |
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425 | $this->_out(']'); |
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426 | break; |
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427 | |
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428 | case PDF_TYPE_DICTIONARY: |
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429 | |
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430 | // A dictionary. |
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431 | $this->_straightOut('<<'); |
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432 | |
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433 | reset ($value[1]); |
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434 | |
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435 | while (list($k, $v) = each($value[1])) { |
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436 | $this->_straightOut($k . ' '); |
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437 | $this->pdf_write_value($v); |
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438 | } |
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439 | |
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440 | $this->_straightOut('>>'); |
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441 | break; |
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442 | |
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443 | case PDF_TYPE_OBJREF: |
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444 | |
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445 | // An indirect object reference |
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446 | // Fill the object stack if needed |
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447 | $cpfn =& $this->current_parser->filename; |
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448 | |
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449 | if (!isset($this->_don_obj_stack[$cpfn][$value[1]])) { |
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450 | $this->_newobj(false, true); |
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451 | $this->_obj_stack[$cpfn][$value[1]] = array($this->n, $value); |
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452 | $this->_don_obj_stack[$cpfn][$value[1]] = array($this->n, $value); // Value is maybee obsolete!!! |
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453 | } |
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454 | $objid = $this->_don_obj_stack[$cpfn][$value[1]][0]; |
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455 | |
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456 | $this->_out($objid . ' 0 R'); |
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457 | break; |
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458 | |
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459 | case PDF_TYPE_STRING: |
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460 | |
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461 | // A string. |
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462 | $this->_straightOut('(' . $value[1] . ')'); |
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463 | |
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464 | break; |
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465 | |
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466 | case PDF_TYPE_STREAM: |
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467 | |
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468 | // A stream. First, output the |
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469 | // stream dictionary, then the |
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470 | // stream data itself. |
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471 | $this->pdf_write_value($value[1]); |
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472 | $this->_out('stream'); |
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473 | $this->_out($value[2][1]); |
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474 | $this->_out('endstream'); |
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475 | break; |
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476 | |
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477 | case PDF_TYPE_HEX: |
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478 | $this->_straightOut('<' . $value[1] . '>'); |
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479 | break; |
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480 | |
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481 | case PDF_TYPE_BOOLEAN: |
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482 | $this->_straightOut($value[1] ? 'true ' : 'false '); |
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483 | break; |
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484 | |
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485 | case PDF_TYPE_NULL: |
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486 | // The null object. |
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487 | |
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488 | $this->_straightOut('null '); |
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489 | break; |
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490 | } |
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491 | } |
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492 | |
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493 | |
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494 | /** |
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495 | * Modified so not each call will add a newline to the output. |
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496 | */ |
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497 | function _straightOut($s) { |
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498 | if (!is_subclass_of($this, 'TCPDF')) { |
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499 | if($this->state==2) |
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500 | $this->pages[$this->page] .= $s; |
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501 | else |
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502 | $this->buffer .= $s; |
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503 | } else { |
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504 | if ($this->state == 2) { |
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505 | if (isset($this->footerlen[$this->page]) AND ($this->footerlen[$this->page] > 0)) { |
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506 | // puts data before page footer |
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507 | $page = substr($this->getPageBuffer($this->page), 0, -$this->footerlen[$this->page]); |
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508 | $footer = substr($this->getPageBuffer($this->page), -$this->footerlen[$this->page]); |
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509 | $this->setPageBuffer($this->page, $page . ' ' . $s . "\n" . $footer); |
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510 | } else { |
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511 | $this->setPageBuffer($this->page, $s, true); |
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512 | } |
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513 | } else { |
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514 | $this->setBuffer($s); |
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515 | } |
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516 | } |
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517 | } |
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518 | |
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519 | /** |
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520 | * rewritten to close opened parsers |
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521 | * |
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522 | */ |
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523 | function _enddoc() { |
---|
524 | parent::_enddoc(); |
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525 | $this->_closeParsers(); |
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526 | } |
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527 | |
---|
528 | /** |
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529 | * close all files opened by parsers |
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530 | */ |
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531 | function _closeParsers() { |
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532 | if ($this->state > 2 && count($this->parsers) > 0) { |
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533 | foreach ($this->parsers as $k => $_){ |
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534 | $this->parsers[$k]->closeFile(); |
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535 | $this->parsers[$k] = null; |
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536 | unset($this->parsers[$k]); |
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537 | } |
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538 | return true; |
---|
539 | } |
---|
540 | return false; |
---|
541 | } |
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542 | } |
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