1 | <?php |
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2 | // |
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3 | // FPDI - Version 1.2 |
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4 | // |
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5 | // Copyright 2004-2007 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','1.2'); |
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21 | |
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22 | ini_set('auto_detect_line_endings',1); // Strongly required! |
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23 | |
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24 | require_once("fpdf_tpl.php"); |
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25 | require_once("fpdi_pdf_parser.php"); |
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26 | |
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27 | |
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28 | class FPDI extends FPDF_TPL { |
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29 | /** |
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30 | * Actual filename |
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31 | * @var string |
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32 | */ |
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33 | var $current_filename; |
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34 | |
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35 | /** |
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36 | * Parser-Objects |
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37 | * @var array |
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38 | */ |
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39 | var $parsers; |
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40 | |
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41 | /** |
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42 | * Current parser |
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43 | * @var object |
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44 | */ |
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45 | var $current_parser; |
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46 | |
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47 | /** |
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48 | * Highest version of imported PDF |
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49 | * @var double |
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50 | */ |
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51 | var $importVersion = 1.3; |
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52 | |
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53 | /** |
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54 | * object stack |
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55 | * @var array |
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56 | */ |
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57 | var $_obj_stack; |
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58 | |
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59 | /** |
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60 | * done object stack |
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61 | * @var array |
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62 | */ |
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63 | var $_don_obj_stack; |
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64 | |
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65 | /** |
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66 | * Current Object Id. |
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67 | * @var integer |
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68 | */ |
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69 | var $_current_obj_id; |
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70 | |
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71 | /** |
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72 | * The name of the last imported page box |
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73 | * @var string |
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74 | */ |
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75 | var $lastUsedPageBox; |
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76 | |
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77 | /** |
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78 | * Constructor |
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79 | * See FPDF-Manual |
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80 | */ |
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81 | function FPDI($orientation='P',$unit='mm',$format='A4') { |
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82 | parent::FPDF_TPL($orientation,$unit,$format); |
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83 | } |
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84 | |
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85 | /** |
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86 | * Set a source-file |
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87 | * |
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88 | * @param string $filename a valid filename |
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89 | * @return int number of available pages |
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90 | */ |
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91 | function setSourceFile($filename) { |
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92 | $this->current_filename = $filename; |
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93 | $fn =& $this->current_filename; |
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94 | |
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95 | if (!isset($this->parsers[$fn])) |
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96 | $this->parsers[$fn] =& new fpdi_pdf_parser($fn,$this); |
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97 | $this->current_parser =& $this->parsers[$fn]; |
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98 | |
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99 | return $this->parsers[$fn]->getPageCount(); |
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100 | } |
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101 | |
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102 | /** |
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103 | * Import a page |
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104 | * |
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105 | * @param int $pageno pagenumber |
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106 | * @return int Index of imported page - to use with fpdf_tpl::useTemplate() |
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107 | */ |
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108 | function importPage($pageno, $boxName='/CropBox') { |
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109 | if ($this->_intpl) { |
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110 | return $this->error("Please import the desired pages before creating a new template."); |
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111 | } |
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112 | |
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113 | $fn =& $this->current_filename; |
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114 | |
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115 | $parser =& $this->parsers[$fn]; |
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116 | $parser->setPageno($pageno); |
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117 | |
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118 | $this->tpl++; |
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119 | $this->tpls[$this->tpl] = array(); |
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120 | $tpl =& $this->tpls[$this->tpl]; |
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121 | $tpl['parser'] =& $parser; |
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122 | $tpl['resources'] = $parser->getPageResources(); |
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123 | $tpl['buffer'] = $parser->getContent(); |
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124 | |
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125 | if (!in_array($boxName, $parser->availableBoxes)) |
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126 | return $this->Error(sprintf("Unknown box: %s", $boxName)); |
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127 | $pageboxes = $parser->getPageBoxes($pageno); |
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128 | |
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129 | /** |
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130 | * MediaBox |
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131 | * CropBox: Default -> MediaBox |
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132 | * BleedBox: Default -> CropBox |
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133 | * TrimBox: Default -> CropBox |
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134 | * ArtBox: Default -> CropBox |
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135 | */ |
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136 | if (!isset($pageboxes[$boxName]) && ($boxName == "/BleedBox" || $boxName == "/TrimBox" || $boxName == "/ArtBox")) |
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137 | $boxName = "/CropBox"; |
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138 | if (!isset($pageboxes[$boxName]) && $boxName == "/CropBox") |
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139 | $boxName = "/MediaBox"; |
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140 | |
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141 | if (!isset($pageboxes[$boxName])) |
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142 | return false; |
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143 | $this->lastUsedPageBox = $boxName; |
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144 | |
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145 | $box = $pageboxes[$boxName]; |
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146 | $tpl['box'] = $box; |
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147 | |
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148 | // To build an array that can be used by PDF_TPL::useTemplate() |
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149 | $this->tpls[$this->tpl] = array_merge($this->tpls[$this->tpl],$box); |
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150 | // An imported page will start at 0,0 everytime. Translation will be set in _putformxobjects() |
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151 | $tpl['x'] = 0; |
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152 | $tpl['y'] = 0; |
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153 | |
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154 | $page =& $parser->pages[$parser->pageno]; |
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155 | |
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156 | // fix for rotated pages |
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157 | $rotation = $parser->getPageRotation($pageno); |
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158 | if (isset($rotation[1]) && ($angle = $rotation[1] % 360) != 0) { |
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159 | $steps = $angle / 90; |
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160 | |
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161 | $_w = $tpl['w']; |
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162 | $_h = $tpl['h']; |
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163 | $tpl['w'] = $steps % 2 == 0 ? $_w : $_h; |
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164 | $tpl['h'] = $steps % 2 == 0 ? $_h : $_w; |
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165 | |
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166 | if ($steps % 2 != 0) { |
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167 | $x = $y = ($steps == 1 || $steps == -3) ? $tpl['h'] : $tpl['w']; |
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168 | } else { |
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169 | $x = $tpl['w']; |
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170 | $y = $tpl['h']; |
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171 | } |
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172 | |
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173 | $cx=($x/2+$tpl['box']['x'])*$this->k; |
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174 | $cy=($y/2+$tpl['box']['y'])*$this->k; |
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175 | |
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176 | $angle*=-1; |
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177 | |
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178 | $angle*=M_PI/180; |
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179 | $c=cos($angle); |
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180 | $s=sin($angle); |
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181 | |
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182 | $tpl['buffer'] = sprintf('q %.5f %.5f %.5f %.5f %.2f %.2f cm 1 0 0 1 %.2f %.2f cm %s Q',$c,$s,-$s,$c,$cx,$cy,-$cx,-$cy, $tpl['buffer']); |
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183 | } |
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184 | |
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185 | return $this->tpl; |
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186 | } |
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187 | |
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188 | function getLastUsedPageBox() { |
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189 | return $this->lastUsedPageBox; |
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190 | } |
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191 | |
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192 | function useTemplate($tplidx, $_x=null, $_y=null, $_w=0, $_h=0) { |
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193 | $this->_out('q 0 J 1 w 0 j 0 G'); // reset standard values |
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194 | $s = parent::useTemplate($tplidx, $_x, $_y, $_w, $_h); |
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195 | $this->_out('Q'); |
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196 | return $s; |
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197 | } |
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198 | |
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199 | /** |
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200 | * Private method, that rebuilds all needed objects of source files |
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201 | */ |
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202 | function _putimportedobjects() { |
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203 | if (is_array($this->parsers) && count($this->parsers) > 0) { |
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204 | foreach($this->parsers AS $filename => $p) { |
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205 | $this->current_parser =& $this->parsers[$filename]; |
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206 | if (is_array($this->_obj_stack[$filename])) { |
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207 | while($n = key($this->_obj_stack[$filename])) { |
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208 | $nObj = $this->current_parser->pdf_resolve_object($this->current_parser->c,$this->_obj_stack[$filename][$n][1]); |
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209 | |
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210 | $this->_newobj($this->_obj_stack[$filename][$n][0]); |
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211 | |
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212 | if ($nObj[0] == PDF_TYPE_STREAM) { |
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213 | $this->pdf_write_value ($nObj); |
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214 | } else { |
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215 | $this->pdf_write_value ($nObj[1]); |
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216 | } |
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217 | |
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218 | $this->_out('endobj'); |
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219 | $this->_obj_stack[$filename][$n] = null; // free memory |
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220 | unset($this->_obj_stack[$filename][$n]); |
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221 | reset($this->_obj_stack[$filename]); |
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222 | } |
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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 | |
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228 | /** |
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229 | * Sets the PDF Version to the highest of imported documents |
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230 | */ |
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231 | function setVersion() { |
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232 | $this->PDFVersion = max($this->importVersion, $this->PDFVersion); |
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233 | } |
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234 | |
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235 | /** |
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236 | * Put resources |
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237 | */ |
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238 | function _putresources() { |
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239 | $this->_putfonts(); |
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240 | $this->_putimages(); |
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241 | $this->_putformxobjects(); |
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242 | $this->_putimportedobjects(); |
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243 | //Resource dictionary |
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244 | $this->offsets[2]=strlen($this->buffer); |
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245 | $this->_out('2 0 obj'); |
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246 | $this->_out('<<'); |
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247 | $this->_putresourcedict(); |
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248 | $this->_out('>>'); |
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249 | $this->_out('endobj'); |
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250 | } |
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251 | |
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252 | /** |
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253 | * Private Method that writes the form xobjects |
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254 | */ |
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255 | function _putformxobjects() { |
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256 | $filter=($this->compress) ? '/Filter /FlateDecode ' : ''; |
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257 | reset($this->tpls); |
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258 | foreach($this->tpls AS $tplidx => $tpl) { |
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259 | $p=($this->compress) ? gzcompress($tpl['buffer']) : $tpl['buffer']; |
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260 | $this->_newobj(); |
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261 | $this->tpls[$tplidx]['n'] = $this->n; |
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262 | $this->_out('<<'.$filter.'/Type /XObject'); |
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263 | $this->_out('/Subtype /Form'); |
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264 | $this->_out('/FormType 1'); |
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265 | |
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266 | $this->_out(sprintf('/BBox [%.2f %.2f %.2f %.2f]', |
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267 | ($tpl['x'] + (isset($tpl['box']['x'])?$tpl['box']['x']:0))*$this->k, |
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268 | ($tpl['h'] + (isset($tpl['box']['y'])?$tpl['box']['y']:0) - $tpl['y'])*$this->k, |
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269 | ($tpl['w'] + (isset($tpl['box']['x'])?$tpl['box']['x']:0))*$this->k, |
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270 | ($tpl['h'] + (isset($tpl['box']['y'])?$tpl['box']['y']:0) - $tpl['y']-$tpl['h'])*$this->k) |
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271 | ); |
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272 | |
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273 | if (isset($tpl['box'])) |
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274 | $this->_out(sprintf('/Matrix [1 0 0 1 %.5f %.5f]',-$tpl['box']['x']*$this->k, -$tpl['box']['y']*$this->k)); |
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275 | |
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276 | $this->_out('/Resources '); |
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277 | |
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278 | if (isset($tpl['resources'])) { |
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279 | $this->current_parser =& $tpl['parser']; |
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280 | $this->pdf_write_value($tpl['resources']); |
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281 | } else { |
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282 | $this->_out('<</ProcSet [/PDF /Text /ImageB /ImageC /ImageI]'); |
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283 | if (isset($this->_res['tpl'][$tplidx]['fonts']) && count($this->_res['tpl'][$tplidx]['fonts'])) { |
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284 | $this->_out('/Font <<'); |
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285 | foreach($this->_res['tpl'][$tplidx]['fonts'] as $font) |
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286 | $this->_out('/F'.$font['i'].' '.$font['n'].' 0 R'); |
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287 | $this->_out('>>'); |
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288 | } |
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289 | if(isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images']) || |
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290 | isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) |
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291 | { |
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292 | $this->_out('/XObject <<'); |
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293 | if (isset($this->_res['tpl'][$tplidx]['images']) && count($this->_res['tpl'][$tplidx]['images'])) { |
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294 | foreach($this->_res['tpl'][$tplidx]['images'] as $image) |
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295 | $this->_out('/I'.$image['i'].' '.$image['n'].' 0 R'); |
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296 | } |
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297 | if (isset($this->_res['tpl'][$tplidx]['tpls']) && count($this->_res['tpl'][$tplidx]['tpls'])) { |
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298 | foreach($this->_res['tpl'][$tplidx]['tpls'] as $i => $tpl) |
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299 | $this->_out($this->tplprefix.$i.' '.$tpl['n'].' 0 R'); |
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300 | } |
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301 | $this->_out('>>'); |
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302 | } |
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303 | $this->_out('>>'); |
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304 | } |
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305 | |
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306 | $this->_out('/Length '.strlen($p).' >>'); |
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307 | $this->_putstream($p); |
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308 | $this->_out('endobj'); |
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309 | } |
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310 | } |
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311 | |
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312 | /** |
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313 | * Rewritten to handle existing own defined objects |
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314 | */ |
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315 | function _newobj($obj_id=false,$onlynewobj=false) { |
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316 | if (!$obj_id) { |
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317 | $obj_id = ++$this->n; |
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318 | } |
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319 | |
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320 | //Begin a new object |
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321 | if (!$onlynewobj) { |
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322 | $this->offsets[$obj_id] = strlen($this->buffer); |
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323 | $this->_out($obj_id.' 0 obj'); |
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324 | $this->_current_obj_id = $obj_id; // for later use with encryption |
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325 | } |
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326 | |
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327 | } |
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328 | |
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329 | /** |
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330 | * Writes a value |
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331 | * Needed to rebuild the source document |
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332 | * |
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333 | * @param mixed $value A PDF-Value. Structure of values see cases in this method |
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334 | */ |
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335 | function pdf_write_value(&$value) |
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336 | { |
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337 | |
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338 | switch ($value[0]) { |
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339 | |
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340 | case PDF_TYPE_NUMERIC : |
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341 | case PDF_TYPE_TOKEN : |
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342 | // A numeric value or a token. |
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343 | // Simply output them |
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344 | $this->_out($value[1]." ", false); |
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345 | break; |
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346 | |
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347 | case PDF_TYPE_ARRAY : |
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348 | |
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349 | // An array. Output the proper |
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350 | // structure and move on. |
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351 | |
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352 | $this->_out("[",false); |
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353 | for ($i = 0; $i < count($value[1]); $i++) { |
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354 | $this->pdf_write_value($value[1][$i]); |
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355 | } |
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356 | |
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357 | $this->_out("]"); |
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358 | break; |
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359 | |
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360 | case PDF_TYPE_DICTIONARY : |
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361 | |
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362 | // A dictionary. |
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363 | $this->_out("<<",false); |
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364 | |
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365 | reset ($value[1]); |
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366 | |
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367 | while (list($k, $v) = each($value[1])) { |
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368 | $this->_out($k . " ",false); |
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369 | $this->pdf_write_value($v); |
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370 | } |
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371 | |
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372 | $this->_out(">>"); |
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373 | break; |
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374 | |
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375 | case PDF_TYPE_OBJREF : |
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376 | |
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377 | // An indirect object reference |
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378 | // Fill the object stack if needed |
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379 | $cpfn =& $this->current_parser->filename; |
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380 | if (!isset($this->_don_obj_stack[$cpfn][$value[1]])) { |
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381 | $this->_newobj(false,true); |
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382 | $this->_obj_stack[$cpfn][$value[1]] = array($this->n, $value); |
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383 | $this->_don_obj_stack[$cpfn][$value[1]] = array($this->n, $value); |
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384 | } |
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385 | $objid = $this->_don_obj_stack[$cpfn][$value[1]][0]; |
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386 | |
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387 | $this->_out("{$objid} 0 R"); //{$value[2]} |
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388 | break; |
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389 | |
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390 | case PDF_TYPE_STRING : |
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391 | |
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392 | // A string. |
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393 | $this->_out('('.$value[1].')'); |
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394 | |
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395 | break; |
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396 | |
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397 | case PDF_TYPE_STREAM : |
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398 | |
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399 | // A stream. First, output the |
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400 | // stream dictionary, then the |
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401 | // stream data itself. |
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402 | $this->pdf_write_value($value[1]); |
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403 | $this->_out("stream"); |
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404 | $this->_out($value[2][1]); |
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405 | $this->_out("endstream"); |
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406 | break; |
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407 | case PDF_TYPE_HEX : |
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408 | |
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409 | $this->_out("<".$value[1].">"); |
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410 | break; |
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411 | |
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412 | case PDF_TYPE_NULL : |
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413 | // The null object. |
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414 | |
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415 | $this->_out("null"); |
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416 | break; |
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417 | } |
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418 | } |
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419 | |
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420 | |
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421 | /** |
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422 | * Private Method |
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423 | */ |
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424 | function _out($s,$ln=true) { |
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425 | //Add a line to the document |
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426 | if ($this->state==2) { |
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427 | if (!$this->_intpl) |
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428 | $this->pages[$this->page] .= $s.($ln == true ? "\n" : ''); |
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429 | else |
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430 | $this->tpls[$this->tpl]['buffer'] .= $s.($ln == true ? "\n" : ''); |
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431 | } else { |
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432 | $this->buffer.=$s.($ln == true ? "\n" : ''); |
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433 | } |
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434 | } |
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435 | |
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436 | /** |
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437 | * rewritten to close opened parsers |
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438 | * |
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439 | */ |
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440 | function _enddoc() { |
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441 | parent::_enddoc(); |
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442 | $this->_closeParsers(); |
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443 | } |
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444 | |
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445 | /** |
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446 | * close all files opened by parsers |
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447 | */ |
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448 | function _closeParsers() { |
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449 | if ($this->state > 2 && count($this->parsers) > 0) { |
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450 | foreach ($this->parsers as $k => $_){ |
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451 | $this->parsers[$k]->closeFile(); |
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452 | $this->parsers[$k] = null; |
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453 | unset($this->parsers[$k]); |
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454 | } |
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455 | return true; |
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456 | } |
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457 | return false; |
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458 | } |
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459 | |
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460 | } |
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461 | |
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462 | // for PHP5 |
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463 | if (!class_exists('fpdi')) { |
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464 | class fpdi extends FPDI {} |
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465 | } |
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466 | ?> |
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