1 | <?php |
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2 | /** |
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3 | * @package com.jpexs.image.ico |
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4 | * |
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5 | * JPEXS ICO Image functions |
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6 | * @version 2.3 |
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7 | * @author JPEXS |
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8 | * @copyright (c) JPEXS 2004-2012 |
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9 | * |
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10 | * Webpage: http://www.jpexs.com |
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11 | * Email: jpexs@jpexs.com |
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12 | * |
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13 | * If you like my script, you can donate... visit my webpages or email me for more info. |
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14 | * |
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15 | * Version changes: |
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16 | * 2012-02-25 v2.3 - License changed to GNU/GPL v2 or v3 |
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17 | * 2012-02-18 v2.2 - License changed to GNU/GPL v3 |
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18 | * 2009-02-23 v2.1 - redesigned sourcecode, phpdoc included, all internal functions and global variables have prefix "jpexs_" |
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19 | * v2.0 - For icons with Alpha channel now you can set background color |
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20 | * - ImageCreateFromExeIco added |
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21 | * - Fixed ICO_MAX_SIZE and ICO_MAX_COLOR values |
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22 | * |
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23 | * TODO list: |
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24 | * - better error handling |
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25 | * - better internal function handling |
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26 | * - class encapsulation |
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27 | * |
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28 | * License: |
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29 | * This program is free software: you can redistribute it and/or modify |
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30 | * it under the terms of the GNU General Public License as published by |
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31 | * the Free Software Foundation, either version 2 or version 3 of the License, or |
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32 | * (at your option) any later version. |
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33 | * |
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34 | * This program is distributed in the hope that it will be useful, |
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35 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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36 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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37 | * GNU General Public License for more details. |
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38 | * |
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39 | * You should have received a copy of the GNU General Public License |
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40 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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41 | */ |
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42 | |
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43 | /** TrueColor images constant */ |
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44 | define( "ICO_TRUE_COLOR", 0x1000000 ); |
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45 | /** XPColor images constant (Alpha channel) */ |
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46 | define( "ICO_XP_COLOR", 4294967296 ); |
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47 | /** Image with maximum colors */ |
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48 | define( "ICO_MAX_COLOR", -2 ); |
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49 | /** Image with maximal size */ |
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50 | define( "ICO_MAX_SIZE", -2 ); |
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51 | |
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52 | |
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53 | /** TrueColor images constant |
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54 | * @deprecated Deprecated since version 2.1, please use ICO_ constants |
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55 | */ |
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56 | define( "TRUE_COLOR", 0x1000000 ); |
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57 | /** XPColor images constant (Alpha channel) |
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58 | * @deprecated Deprecated since version 2.1, please use ICO_ constants |
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59 | */ |
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60 | define( "XP_COLOR", 4294967296 ); |
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61 | /** Image with maximum colors |
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62 | * @deprecated Deprecated since version 2.1, please use ICO_ constants |
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63 | */ |
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64 | define( "MAX_COLOR", -2 ); |
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65 | /** Image with maximal size |
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66 | * @deprecated Deprecated since version 2.1, please use ICO_ constants |
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67 | */ |
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68 | define( "MAX_SIZE", -2 ); |
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69 | |
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70 | |
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71 | /** |
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72 | * Reads image from a ICO file |
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73 | * |
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74 | * @param string $filename Target ico file to load |
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75 | * @param int $icoColorCount Icon color count (For multiple icons ico file) - 2,16,256, ICO_TRUE_COLOR, ICO_XP_COLOR or ICO_MAX_COLOR |
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76 | * @param int $icoSize Icon width (For multiple icons ico file) or ICO_MAX_SIZE |
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77 | * @param int $alphaBgR Background color R value for alpha-channel images (Default is White) |
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78 | * @param int $alphaBgG Background color G value for alpha-channel images (Default is White) |
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79 | * @param int $alphaBgB Background color B value for alpha-channel images (Default is White) |
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80 | * @return resource Image resource |
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81 | */ |
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82 | function imageCreateFromIco( $filename, $icoColorCount = 16, $icoSize = 16, $alphaBgR = 255, $alphaBgG = 255, $alphaBgB = 255 ) { |
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83 | $Ikona = jpexs_GetIconsInfo( $filename ); |
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84 | |
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85 | $IconID = -1; |
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86 | |
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87 | $ColMax = -1; |
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88 | $SizeMax = -1; |
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89 | |
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90 | for ( $p = 0; $p < count( $Ikona ); $p++ ) { |
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91 | $Ikona[ $p ][ "NumberOfColors" ] = pow( 2, $Ikona[ $p ][ "Info" ][ "BitsPerPixel" ] ); |
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92 | } |
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93 | |
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94 | |
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95 | for ( $p = 0; $p < count( $Ikona ); $p++ ) { |
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96 | if ( ( $ColMax == -1 ) or ( $Ikona[ $p ][ "NumberOfColors" ] >= $Ikona[ $ColMax ][ "NumberOfColors" ] ) ) |
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97 | if ( ( $icoSize == $Ikona[ $p ][ "Width" ] ) or ( $icoSize == ICO_MAX_SIZE ) ) { |
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98 | $ColMax = $p; |
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99 | } |
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100 | |
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101 | if ( ( $SizeMax == -1 ) or ( $Ikona[ $p ][ "Width" ] >= $Ikona[ $SizeMax ][ "Width" ] ) ) |
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102 | if ( ( $icoColorCount == $Ikona[ $p ][ "NumberOfColors" ] ) or ( $icoColorCount == ICO_MAX_COLOR ) ) { |
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103 | $SizeMax = $p; |
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104 | } |
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105 | |
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106 | |
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107 | if ( $Ikona[ $p ][ "NumberOfColors" ] == $icoColorCount ) |
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108 | if ( $Ikona[ $p ][ "Width" ] == $icoSize ) { |
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109 | $IconID = $p; |
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110 | } |
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111 | } |
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112 | |
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113 | if ( $icoColorCount == ICO_MAX_COLOR ) |
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114 | $IconID = $ColMax; |
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115 | if ( $icoSize == ICO_MAX_SIZE ) |
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116 | $IconID = $SizeMax; |
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117 | |
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118 | $ColName = $icoColorCount; |
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119 | |
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120 | if ( $icoSize == ICO_MAX_SIZE ) |
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121 | $icoSize = "Max"; |
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122 | if ( $ColName == ICO_TRUE_COLOR ) |
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123 | $ColName = "True"; |
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124 | if ( $ColName == ICO_XP_COLOR ) |
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125 | $ColName = "XP"; |
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126 | if ( $ColName == ICO_MAX_COLOR ) |
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127 | $ColName = "Max"; |
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128 | if ( $IconID == -1 ) |
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129 | die( "Icon with $ColName colors and $icoSize x $icoSize size doesn't exist in this file!" ); |
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130 | |
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131 | |
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132 | jpexs_readIcon( $filename, $IconID, $Ikona ); |
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133 | |
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134 | $biBitCount = $Ikona[ $IconID ][ "Info" ][ "BitsPerPixel" ]; |
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135 | |
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136 | |
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137 | if ( $Ikona[ $IconID ][ "Info" ][ "BitsPerPixel" ] == 0 ) { |
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138 | $Ikona[ $IconID ][ "Info" ][ "BitsPerPixel" ] = 24; |
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139 | } |
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140 | |
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141 | $biBitCount = $Ikona[ $IconID ][ "Info" ][ "BitsPerPixel" ]; |
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142 | if ( $biBitCount == 0 ) |
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143 | $biBitCount = 1; |
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144 | |
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145 | |
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146 | $Ikona[ $IconID ][ "BitCount" ] = $Ikona[ $IconID ][ "Info" ][ "BitsPerPixel" ]; |
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147 | |
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148 | |
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149 | |
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150 | if ( $Ikona[ $IconID ][ "BitCount" ] >= 24 ) { |
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151 | $img = imagecreatetruecolor( $Ikona[ $IconID ][ "Width" ], $Ikona[ $IconID ][ "Height" ] ); |
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152 | if ( $Ikona[ $IconID ][ "BitCount" ] == 32 ): |
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153 | $backcolor = imagecolorallocate( $img, $alphaBgR, $alphaBgG, $alphaBgB ); |
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154 | imagefilledrectangle( $img, 0, 0, $Ikona[ $IconID ][ "Width" ] - 1, $Ikona[ $IconID ][ "Height" ] - 1, $backcolor ); |
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155 | endif; |
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156 | for ( $y = 0; $y < $Ikona[ $IconID ][ "Height" ]; $y++ ) |
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157 | for ( $x = 0; $x < $Ikona[ $IconID ][ "Width" ]; $x++ ) { |
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158 | $R = $Ikona[ $IconID ][ "Data" ][ $x ][ $y ][ "r" ]; |
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159 | $G = $Ikona[ $IconID ][ "Data" ][ $x ][ $y ][ "g" ]; |
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160 | $B = $Ikona[ $IconID ][ "Data" ][ $x ][ $y ][ "b" ]; |
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161 | if ( $Ikona[ $IconID ][ "BitCount" ] == 32 ) { |
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162 | $Alpha = 127 - round( $Ikona[ $IconID ][ "Data" ][ $x ][ $y ][ "alpha" ] * 127 / 255 ); |
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163 | if ( $Ikona[ $IconID ][ "Maska" ][ $x ][ $y ] == 1 ) |
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164 | $Alpha = 127; |
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165 | $color = imagecolorexactalpha( $img, $R, $G, $B, $Alpha ); |
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166 | if ( $color == -1 ) |
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167 | $color = imagecolorallocatealpha( $img, $R, $G, $B, $Alpha ); |
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168 | } else { |
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169 | $color = imagecolorexact( $img, $R, $G, $B ); |
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170 | if ( $color == -1 ) |
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171 | $color = imagecolorallocate( $img, $R, $G, $B ); |
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172 | } |
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173 | |
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174 | imagesetpixel( $img, $x, $y, $color ); |
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175 | |
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176 | } |
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177 | |
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178 | } else { |
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179 | $img = imagecreate( $Ikona[ $IconID ][ "Width" ], $Ikona[ $IconID ][ "Height" ] ); |
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180 | for ( $p = 0; $p < count( $Ikona[ $IconID ][ "Paleta" ] ); $p++ ) |
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181 | $Paleta[ $p ] = imagecolorallocate( $img, $Ikona[ $IconID ][ "Paleta" ][ $p ][ "r" ], $Ikona[ $IconID ][ "Paleta" ][ $p ][ "g" ], $Ikona[ $IconID ][ "Paleta" ][ $p ][ "b" ] ); |
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182 | |
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183 | for ( $y = 0; $y < $Ikona[ $IconID ][ "Height" ]; $y++ ) |
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184 | for ( $x = 0; $x < $Ikona[ $IconID ][ "Width" ]; $x++ ) { |
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185 | imagesetpixel( $img, $x, $y, $Paleta[ $Ikona[ $IconID ][ "Data" ][ $x ][ $y ] ] ); |
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186 | } |
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187 | } |
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188 | $IsTransparent = false; |
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189 | for ( $y = 0; $y < $Ikona[ $IconID ][ "Height" ]; $y++ ) |
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190 | for ( $x = 0; $x < $Ikona[ $IconID ][ "Width" ]; $x++ ) |
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191 | if ( $Ikona[ $IconID ][ "Maska" ][ $x ][ $y ] == 1 ) { |
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192 | $IsTransparent = true; |
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193 | break; |
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194 | } |
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195 | if ( $Ikona[ $IconID ][ "BitCount" ] == 32 ) { |
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196 | imagealphablending( $img, false ); |
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197 | if ( function_exists( "imagesavealpha" ) ) |
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198 | imagesavealpha( $img, true ); |
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199 | } |
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200 | |
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201 | if ( $IsTransparent ) { |
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202 | if ( ( $Ikona[ $IconID ][ "BitCount" ] >= 24 ) or ( imagecolorstotal( $img ) >= 256 ) ) { |
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203 | $img2 = imagecreatetruecolor( imagesx( $img ), imagesy( $img ) ); |
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204 | imagecopy( $img2, $img, 0, 0, 0, 0, imagesx( $img ), imagesy( $img ) ); |
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205 | imagedestroy( $img ); |
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206 | $img = $img2; |
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207 | imagetruecolortopalette( $img, true, 255 ); |
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208 | |
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209 | } |
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210 | $Pruhledna = imagecolorallocate( $img, 0, 0, 0 ); |
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211 | for ( $y = 0; $y < $Ikona[ $IconID ][ "Height" ]; $y++ ) |
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212 | for ( $x = 0; $x < $Ikona[ $IconID ][ "Width" ]; $x++ ) |
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213 | if ( $Ikona[ $IconID ][ "Maska" ][ $x ][ $y ] == 1 ) { |
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214 | imagesetpixel( $img, $x, $y, $Pruhledna ); |
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215 | } |
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216 | imagecolortransparent( $img, $Pruhledna ); |
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217 | } |
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218 | |
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219 | return $img; |
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220 | |
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221 | |
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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 | function jpexs_readIcon( $filename, $id, &$Ikona ) { |
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228 | global $jpexs_currentBit; |
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229 | |
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230 | $f = fopen( $filename, "rb" ); |
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231 | |
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232 | fseek( $f, 6 + $id * 16 ); |
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233 | $Width = jpexs_freadbyte( $f ); |
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234 | $Height = jpexs_freadbyte( $f ); |
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235 | fseek( $f, 6 + $id * 16 + 12 ); |
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236 | $OffSet = jpexs_freaddword( $f ); |
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237 | fseek( $f, $OffSet ); |
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238 | |
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239 | $p = $id; |
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240 | |
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241 | $Ikona[ $p ][ "Info" ][ "HeaderSize" ] = jpexs_freadlngint( $f ); |
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242 | $Ikona[ $p ][ "Info" ][ "ImageWidth" ] = jpexs_freadlngint( $f ); |
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243 | $Ikona[ $p ][ "Info" ][ "ImageHeight" ] = jpexs_freadlngint( $f ); |
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244 | $Ikona[ $p ][ "Info" ][ "NumberOfImagePlanes" ] = jpexs_freadword( $f ); |
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245 | $Ikona[ $p ][ "Info" ][ "BitsPerPixel" ] = jpexs_freadword( $f ); |
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246 | $Ikona[ $p ][ "Info" ][ "CompressionMethod" ] = jpexs_freadlngint( $f ); |
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247 | $Ikona[ $p ][ "Info" ][ "SizeOfBitmap" ] = jpexs_freadlngint( $f ); |
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248 | $Ikona[ $p ][ "Info" ][ "HorzResolution" ] = jpexs_freadlngint( $f ); |
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249 | $Ikona[ $p ][ "Info" ][ "VertResolution" ] = jpexs_freadlngint( $f ); |
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250 | $Ikona[ $p ][ "Info" ][ "NumColorUsed" ] = jpexs_freadlngint( $f ); |
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251 | $Ikona[ $p ][ "Info" ][ "NumSignificantColors" ] = jpexs_freadlngint( $f ); |
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252 | |
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253 | |
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254 | $biBitCount = $Ikona[ $p ][ "Info" ][ "BitsPerPixel" ]; |
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255 | |
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256 | if ( $Ikona[ $p ][ "Info" ][ "BitsPerPixel" ] <= 8 ) { |
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257 | $barev = pow( 2, $biBitCount ); |
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258 | |
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259 | for ( $b = 0; $b < $barev; $b++ ) { |
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260 | $Ikona[ $p ][ "Paleta" ][ $b ][ "b" ] = jpexs_freadbyte( $f ); |
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261 | $Ikona[ $p ][ "Paleta" ][ $b ][ "g" ] = jpexs_freadbyte( $f ); |
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262 | $Ikona[ $p ][ "Paleta" ][ $b ][ "r" ] = jpexs_freadbyte( $f ); |
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263 | jpexs_freadbyte( $f ); |
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264 | } |
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265 | |
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266 | $Zbytek = ( 4 - ceil( ( $Width / ( 8 / $biBitCount ) ) ) % 4 ) % 4; |
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267 | |
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268 | |
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269 | for ( $y = $Height - 1; $y >= 0; $y-- ) { |
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270 | $jpexs_currentBit = 0; |
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271 | for ( $x = 0; $x < $Width; $x++ ) { |
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272 | $C = jpexs_freadbits( $f, $biBitCount ); |
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273 | $Ikona[ $p ][ "Data" ][ $x ][ $y ] = $C; |
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274 | } |
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275 | |
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276 | if ( $jpexs_currentBit != 0 ) { |
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277 | jpexs_freadbyte( $f ); |
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278 | } |
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279 | for ( $g = 0; $g < $Zbytek; $g++ ) |
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280 | jpexs_freadbyte( $f ); |
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281 | } |
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282 | |
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283 | } elseif ( $biBitCount == 24 ) { |
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284 | $Zbytek = $Width % 4; |
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285 | |
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286 | for ( $y = $Height - 1; $y >= 0; $y-- ) { |
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287 | for ( $x = 0; $x < $Width; $x++ ) { |
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288 | $B = jpexs_freadbyte( $f ); |
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289 | $G = jpexs_freadbyte( $f ); |
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290 | $R = jpexs_freadbyte( $f ); |
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291 | $Ikona[ $p ][ "Data" ][ $x ][ $y ][ "r" ] = $R; |
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292 | $Ikona[ $p ][ "Data" ][ $x ][ $y ][ "g" ] = $G; |
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293 | $Ikona[ $p ][ "Data" ][ $x ][ $y ][ "b" ] = $B; |
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294 | } |
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295 | for ( $z = 0; $z < $Zbytek; $z++ ) |
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296 | jpexs_freadbyte( $f ); |
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297 | } |
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298 | } elseif ( $biBitCount == 32 ) { |
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299 | $Zbytek = $Width % 4; |
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300 | |
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301 | for ( $y = $Height - 1; $y >= 0; $y-- ) { |
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302 | for ( $x = 0; $x < $Width; $x++ ) { |
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303 | $B = jpexs_freadbyte( $f ); |
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304 | $G = jpexs_freadbyte( $f ); |
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305 | $R = jpexs_freadbyte( $f ); |
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306 | $Alpha = jpexs_freadbyte( $f ); |
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307 | $Ikona[ $p ][ "Data" ][ $x ][ $y ][ "r" ] = $R; |
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308 | $Ikona[ $p ][ "Data" ][ $x ][ $y ][ "g" ] = $G; |
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309 | $Ikona[ $p ][ "Data" ][ $x ][ $y ][ "b" ] = $B; |
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310 | $Ikona[ $p ][ "Data" ][ $x ][ $y ][ "alpha" ] = $Alpha; |
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311 | } |
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312 | for ( $z = 0; $z < $Zbytek; $z++ ) |
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313 | jpexs_freadbyte( $f ); |
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314 | } |
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315 | } |
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316 | |
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317 | |
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318 | //Maska |
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319 | $Zbytek = ( 4 - ceil( ( $Width / ( 8 ) ) ) % 4 ) % 4; |
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320 | for ( $y = $Height - 1; $y >= 0; $y-- ) { |
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321 | $jpexs_currentBit = 0; |
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322 | for ( $x = 0; $x < $Width; $x++ ) { |
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323 | $C = jpexs_freadbits( $f, 1 ); |
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324 | $Ikona[ $p ][ "Maska" ][ $x ][ $y ] = $C; |
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325 | } |
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326 | if ( $jpexs_currentBit != 0 ) { |
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327 | jpexs_freadbyte( $f ); |
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328 | } |
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329 | for ( $g = 0; $g < $Zbytek; $g++ ) |
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330 | jpexs_freadbyte( $f ); |
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331 | } |
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332 | //-------------- |
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333 | |
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334 | fclose( $f ); |
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335 | |
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336 | } |
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337 | |
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338 | function jpexs_GetIconsInfo( $filename ) { |
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339 | global $jpexs_currentBit; |
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340 | |
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341 | $f = fopen( $filename, "rb" ); |
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342 | |
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343 | $Reserved = jpexs_freadword( $f ); |
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344 | $Type = jpexs_freadword( $f ); |
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345 | $Count = jpexs_freadword( $f ); |
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346 | for ( $p = 0; $p < $Count; $p++ ) { |
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347 | $Ikona[ $p ][ "Width" ] = jpexs_freadbyte( $f ); |
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348 | $Ikona[ $p ][ "Height" ] = jpexs_freadbyte( $f ); |
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349 | $Ikona[ $p ][ "ColorCount" ] = jpexs_freadword( $f ); |
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350 | if ( $Ikona[ $p ][ "ColorCount" ] == 0 ) |
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351 | $Ikona[ $p ][ "ColorCount" ] = 256; |
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352 | $Ikona[ $p ][ "Planes" ] = jpexs_freadword( $f ); |
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353 | $Ikona[ $p ][ "BitCount" ] = jpexs_freadword( $f ); |
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354 | $Ikona[ $p ][ "BytesInRes" ] = jpexs_freaddword( $f ); |
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355 | $Ikona[ $p ][ "ImageOffset" ] = jpexs_freaddword( $f ); |
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356 | } |
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357 | |
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358 | if ( !feof( $f ) ): |
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359 | for ( $p = 0; $p < $Count; $p++ ) { |
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360 | fseek( $f, $Ikona[ $p ][ "ImageOffset" ] + 14 ); |
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361 | $Ikona[ $p ][ "Info" ][ "BitsPerPixel" ] = jpexs_freadword( $f ); |
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362 | } |
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363 | endif; |
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364 | fclose( $f ); |
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365 | return $Ikona; |
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366 | } |
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367 | |
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368 | |
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369 | |
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370 | |
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371 | /** |
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372 | * Reads image from a icon in exe file |
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373 | * @param string $filename Target exefile |
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374 | * @param int $icoIndex Index of the icon in exefile |
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375 | * @param int $icoColorCount Icon color count (For multiple icons ico file) - 2,16,256, ICO_TRUE_COLOR, ICO_XP_COLOR or ICO_MAX_COLOR |
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376 | * @param int $icoSize Icon width (For multiple icons ico file) or ICO_MAX_SIZE |
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377 | * @param int $alphaBgR Background color R value for alpha-channel images (Default is White) |
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378 | * @param int $alphaBgG Background color G value for alpha-channel images (Default is White) |
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379 | * @param int $alphaBgB Background color B value for alpha-channel images (Default is White) |
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380 | * @return resource Image resource or false on error |
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381 | */ |
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382 | function imageCreateFromExeIco( $filename, $icoIndex, $icoColorCount = 16, $icoSize = 16, $alphaBgR = 255, $alphaBgG = 255, $alphaBgB = 255 ) { |
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383 | $ok = saveExeIcon( $filename, "icotemp.dat", $icoIndex ); |
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384 | if ( !$ok ): |
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385 | $im = false; |
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386 | else: |
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387 | $im = imageCreateFromIco( "icotemp.dat", $icoColorCount, $icoSize, $alphaBgR, $alphaBgG, $alphaBgB ); |
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388 | unlink( "icotemp.dat" ); |
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389 | endif; |
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390 | return $im; |
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391 | } |
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392 | |
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393 | |
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394 | /** |
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395 | * Saves icon(s) from the exe file |
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396 | * @global int $jpexs_StartOfRsrc Internal reserved variable |
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397 | * @global int $jpexs_ImageBase Internal reserved variable |
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398 | * @global int $jpexs_ResVirtualAddress Internal reserved variable |
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399 | * @param string $filename Target exefile |
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400 | * @param string $icoFileNameOrPath Filename to save ico or path (Default "") Path if you want more than 1 icon. If "", the filename is "$icoIndex.ico" |
---|
401 | * @param int|array $iconIndex Index(es) of the icon in exefile (Default -1) If -1, all icons are saved, Can be an array of indexes. |
---|
402 | * @return boolean True on successful save |
---|
403 | */ |
---|
404 | function saveExeIcon( $filename, $icoFileNameOrPath = "", $iconIndex = -1 ) /*-1 for all,or can be array*/ { |
---|
405 | global $jpexs_f, $jpexs_StartOfRsrc, $jpexs_ImageBase, $jpexs_ResVirtualAddress; |
---|
406 | $jpexs_f = fopen( $filename, "r" ); |
---|
407 | $MZ = fread( $jpexs_f, 2 ); |
---|
408 | if ( $MZ != "MZ" ) |
---|
409 | NotValidExe(); |
---|
410 | fseek( $jpexs_f, 60 ); |
---|
411 | $OffsetToNewHeader = jpexs_freaddword( $jpexs_f ); |
---|
412 | fseek( $jpexs_f, $OffsetToNewHeader ); |
---|
413 | $PE = fread( $jpexs_f, 2 ); |
---|
414 | if ( $PE != "PE" ) |
---|
415 | NotValidExe(); |
---|
416 | fread( $jpexs_f, 4 ); |
---|
417 | $NumberOfSections = jpexs_freadword( $jpexs_f ); |
---|
418 | fseek( $jpexs_f, ftell( $jpexs_f ) + 12 ); |
---|
419 | $SizeOfOptionalHeader = jpexs_freadword( $jpexs_f ); |
---|
420 | $PosMagic = ftell( $jpexs_f ) + 2; |
---|
421 | fseek( $jpexs_f, $PosMagic + $SizeOfOptionalHeader ); |
---|
422 | |
---|
423 | for ( $p = 0; $p < $NumberOfSections; $p++ ): |
---|
424 | $SectionName[ $p ] = trim( fread( $jpexs_f, 8 ) ); |
---|
425 | $VirtualSize[ $p ] = jpexs_freaddword( $jpexs_f ); |
---|
426 | $VirtualAddress[ $p ] = jpexs_freaddword( $jpexs_f ); |
---|
427 | $PhysicalSize[ $p ] = jpexs_freaddword( $jpexs_f ); |
---|
428 | $PhysicalOffset[ $p ] = jpexs_freaddword( $jpexs_f ); |
---|
429 | fread( $jpexs_f, 16 ); |
---|
430 | if ( $SectionName[ $p ] == ".rsrc" ): |
---|
431 | $jpexs_ResVirtualAddress = $VirtualAddress[ $p ]; |
---|
432 | fseek( $jpexs_f, $PhysicalOffset[ $p ] ); |
---|
433 | $jpexs_StartOfRsrc = $PhysicalOffset[ $p ]; |
---|
434 | jpexs_readResDirectoryEntry( $R, $PhysicalOffset[ $p ] ); |
---|
435 | $IconCount = null; |
---|
436 | $Ikona = null; |
---|
437 | while ( list( $key, $val ) = each( $R[ "Subdir" ] ) ): |
---|
438 | if ( $key == 14 ): |
---|
439 | $r = 0; |
---|
440 | while ( list( $key2, $val2 ) = each( $R[ "Subdir" ][ $key ][ "Subdir" ] ) ): |
---|
441 | while ( list( $key3, $val3 ) = each( $R[ "Subdir" ][ $key ][ "Subdir" ][ $key2 ][ "Subdir" ] ) ): |
---|
442 | fseek( $jpexs_f, $val3[ "DataOffset" ] ); |
---|
443 | $Reserved = jpexs_freadword( $jpexs_f ); |
---|
444 | $Type = jpexs_freadword( $jpexs_f ); |
---|
445 | $ic = jpexs_freadword( $jpexs_f ); |
---|
446 | $IconCount[] = $ic; |
---|
447 | for ( $s = 0; $s < $ic; $s++ ) { |
---|
448 | $Ikona[ $r ][ $s ][ "Width" ] = jpexs_freadbyte( $jpexs_f ); |
---|
449 | $Ikona[ $r ][ $s ][ "Height" ] = jpexs_freadbyte( $jpexs_f ); |
---|
450 | $Ikona[ $r ][ $s ][ "ColorCount" ] = jpexs_freadword( $jpexs_f ); |
---|
451 | $Ikona[ $r ][ $s ][ "Planes" ] = jpexs_freadword( $jpexs_f ); |
---|
452 | $Ikona[ $r ][ $s ][ "BitCount" ] = jpexs_freadword( $jpexs_f ); |
---|
453 | $Ikona[ $r ][ $s ][ "BytesInRes" ] = jpexs_freaddword( $jpexs_f ); |
---|
454 | $Ikona[ $r ][ $s ][ "IconId" ] = jpexs_freadword( $jpexs_f ); |
---|
455 | } |
---|
456 | fseek( $jpexs_f, $val3[ "DataOffset" ] ); |
---|
457 | $r++; |
---|
458 | endwhile; |
---|
459 | endwhile; |
---|
460 | endif; |
---|
461 | endwhile; |
---|
462 | |
---|
463 | reset( $R[ "Subdir" ] ); |
---|
464 | |
---|
465 | while ( list( $key, $val ) = each( $R[ "Subdir" ] ) ): |
---|
466 | if ( $key == 3 ): |
---|
467 | while ( list( $key2, $val2 ) = each( $R[ "Subdir" ][ $key ][ "Subdir" ] ) ): |
---|
468 | for ( $r = 0; $r < count( $Ikona ); $r++ ): |
---|
469 | for ( $s = 0; $s < count( $Ikona[ $r ] ); $s++ ): |
---|
470 | while ( list( $key3, $val3 ) = each( $R[ "Subdir" ][ $key ][ "Subdir" ][ $Ikona[ $r ][ $s ][ "IconId" ] ][ "Subdir" ] ) ): |
---|
471 | if ( ( $iconIndex == $r ) or ( $iconIndex == -1 ) or ( ( is_array( $iconIndex ) ) and ( in_array( $r, $iconIndex ) ) ) ): |
---|
472 | fseek( $jpexs_f, $val3[ "DataOffset" ] ); |
---|
473 | $Ikona[ $r ][ $s ][ "Data" ] = fread( $jpexs_f, $val3[ "DataSize" ] ); |
---|
474 | $Ikona[ $r ][ $s ][ "DataSize" ] = $val3[ "DataSize" ]; |
---|
475 | endif; |
---|
476 | endwhile; |
---|
477 | endfor; |
---|
478 | endfor; |
---|
479 | endwhile; |
---|
480 | endif; |
---|
481 | endwhile; |
---|
482 | $ok = false; |
---|
483 | for ( $r = 0; $r < count( $Ikona ); $r++ ): |
---|
484 | if ( ( $iconIndex == $r ) or ( $iconIndex == -1 ) or ( ( is_array( $iconIndex ) ) and ( in_array( $r, $iconIndex ) ) ) ): |
---|
485 | $savefile = $icoFileNameOrPath; |
---|
486 | if ( $icoFileNameOrPath == "" ) { |
---|
487 | $savefile = "$r.ico"; |
---|
488 | } else { |
---|
489 | if ( ( $iconIndex == -1 ) or ( is_array( $iconIndex ) ) ) |
---|
490 | $savefile = $icoFileNameOrPath . "$r.ico"; |
---|
491 | } |
---|
492 | $f2 = fopen( $savefile, "w" ); |
---|
493 | fwrite( $f2, jpexs_inttoword( 0 ) ); |
---|
494 | fwrite( $f2, jpexs_inttoword( 1 ) ); |
---|
495 | fwrite( $f2, jpexs_inttoword( count( $Ikona[ $r ] ) ) ); |
---|
496 | $Offset = 6 + 16 * count( $Ikona[ $r ] ); |
---|
497 | for ( $s = 0; $s < count( $Ikona[ $r ] ); $s++ ): |
---|
498 | fwrite( $f2, jpexs_inttobyte( $Ikona[ $r ][ $s ][ "Width" ] ) ); |
---|
499 | fwrite( $f2, jpexs_inttobyte( $Ikona[ $r ][ $s ][ "Height" ] ) ); |
---|
500 | fwrite( $f2, jpexs_inttoword( $Ikona[ $r ][ $s ][ "ColorCount" ] ) ); |
---|
501 | fwrite( $f2, jpexs_inttoword( $Ikona[ $r ][ $s ][ "Planes" ] ) ); |
---|
502 | fwrite( $f2, jpexs_inttoword( $Ikona[ $r ][ $s ][ "BitCount" ] ) ); |
---|
503 | fwrite( $f2, jpexs_inttodword( $Ikona[ $r ][ $s ][ "BytesInRes" ] ) ); |
---|
504 | fwrite( $f2, jpexs_inttodword( $Offset ) ); |
---|
505 | $Offset += $Ikona[ $r ][ $s ][ "DataSize" ]; |
---|
506 | endfor; |
---|
507 | for ( $s = 0; $s < count( $Ikona[ $r ] ); $s++ ): |
---|
508 | fwrite( $f2, $Ikona[ $r ][ $s ][ "Data" ] ); |
---|
509 | endfor; |
---|
510 | fclose( $f2 ); |
---|
511 | $ok = true; |
---|
512 | endif; |
---|
513 | endfor; |
---|
514 | return $ok; |
---|
515 | endif; |
---|
516 | endfor; |
---|
517 | |
---|
518 | fclose( $jpexs_f ); |
---|
519 | } |
---|
520 | |
---|
521 | /** |
---|
522 | * Internal function for reading exe icons |
---|
523 | */ |
---|
524 | function jpexs_readResDirectoryEntry( &$parentRes, $offset ) { |
---|
525 | global $jpexs_f, $jpexs_StartOfRsrc, $jpexs_ImageBase, $jpexs_ResVirtualAddress; |
---|
526 | $lastPos = ftell( $jpexs_f ); |
---|
527 | $Res = null; |
---|
528 | fseek( $jpexs_f, $offset ); |
---|
529 | //IMAGE_RESOURCE_DIRECTORY |
---|
530 | $Characteristics = jpexs_freaddword( $jpexs_f ); |
---|
531 | $TimeDateStamp = jpexs_freaddword( $jpexs_f ); |
---|
532 | $MajorVersion = jpexs_freadword( $jpexs_f ); |
---|
533 | $MinorVersion = jpexs_freadword( $jpexs_f ); |
---|
534 | $NumberOfNamedEntries = jpexs_freadword( $jpexs_f ); |
---|
535 | $NumberOfIdEntries = jpexs_freadword( $jpexs_f ); |
---|
536 | for ( $q = 0; $q < $NumberOfNamedEntries + $NumberOfIdEntries; $q++ ): |
---|
537 | //IMAGE_RESOURCE_DIRECTORY_ENTRY |
---|
538 | $ResName = jpexs_freaddword( $jpexs_f ); |
---|
539 | $lastPos2 = ftell( $jpexs_f ); |
---|
540 | if ( $ResName >= 0x80000000 ): |
---|
541 | //String Name |
---|
542 | $ResNameOffset = $ResName - 0x80000000; |
---|
543 | fseek( $jpexs_f, $jpexs_StartOfRsrc + $ResNameOffset ); |
---|
544 | $StringLength = jpexs_freadword( $jpexs_f ); |
---|
545 | $Identificator = ( fread( $jpexs_f, $StringLength * 2 ) ); |
---|
546 | fseek( $jpexs_f, $lastPos2 ); |
---|
547 | else: |
---|
548 | //Integer Id |
---|
549 | $Identificator = $ResName; |
---|
550 | endif; |
---|
551 | |
---|
552 | $ResOffsetToData = jpexs_freaddword( $jpexs_f ); |
---|
553 | if ( $ResOffsetToData >= 0x80000000 ): |
---|
554 | $SubResOffset = $ResOffsetToData - 0x80000000; |
---|
555 | jpexs_readResDirectoryEntry( $Res[ "$Identificator" ], $jpexs_StartOfRsrc + $SubResOffset ); |
---|
556 | else: |
---|
557 | $RawDataOffset = $ResOffsetToData; |
---|
558 | $lastPos2 = ftell( $jpexs_f ); |
---|
559 | fseek( $jpexs_f, $jpexs_StartOfRsrc + $RawDataOffset ); |
---|
560 | //IMAGE_RESOURCE_DATA_ENTRY |
---|
561 | $OffsetToData = jpexs_freaddword( $jpexs_f ); |
---|
562 | $Res[ "$Identificator" ][ "DataOffset" ] = $jpexs_StartOfRsrc - $jpexs_ResVirtualAddress + $OffsetToData; |
---|
563 | $Res[ "$Identificator" ][ "DataSize" ] = jpexs_freaddword( $jpexs_f ); |
---|
564 | $CodePage = jpexs_freaddword( $jpexs_f ); |
---|
565 | $Reserved = jpexs_freaddword( $jpexs_f ); |
---|
566 | fseek( $jpexs_f, $lastPos2 ); |
---|
567 | endif; |
---|
568 | endfor; |
---|
569 | fseek( $jpexs_f, $lastPos ); |
---|
570 | $parentRes[ "Subdir" ] = $Res; |
---|
571 | } |
---|
572 | |
---|
573 | /** |
---|
574 | * Creates ico file from image resource(s) |
---|
575 | * @param resource|array $images Target Image resource (Can be array of image resources) |
---|
576 | * @param string $filename Target ico file to save icon to, If ommited or "", image is written to snadard output - use header("Content-type: image/x-icon"); */ |
---|
577 | function imageIco( $images, $filename = "" ) { |
---|
578 | if ( is_array( $images ) ) { |
---|
579 | $ImageCount = count( $images ); |
---|
580 | $Image = $images; |
---|
581 | } else { |
---|
582 | $Image[ 0 ] = $images; |
---|
583 | $ImageCount = 1; |
---|
584 | } |
---|
585 | |
---|
586 | |
---|
587 | $WriteToFile = false; |
---|
588 | |
---|
589 | if ( $filename != "" ) { |
---|
590 | $WriteToFile = true; |
---|
591 | } |
---|
592 | |
---|
593 | |
---|
594 | $ret = ""; |
---|
595 | |
---|
596 | $ret .= jpexs_inttoword( 0 ); //PASSWORD |
---|
597 | $ret .= jpexs_inttoword( 1 ); //SOURCE |
---|
598 | $ret .= jpexs_inttoword( $ImageCount ); //ICONCOUNT |
---|
599 | |
---|
600 | |
---|
601 | for ( $q = 0; $q < $ImageCount; $q++ ) { |
---|
602 | $img = $Image[ $q ]; |
---|
603 | |
---|
604 | $Width = imagesx( $img ); |
---|
605 | $Height = imagesy( $img ); |
---|
606 | |
---|
607 | $ColorCount = imagecolorstotal( $img ); |
---|
608 | |
---|
609 | $Transparent = imagecolortransparent( $img ); |
---|
610 | $IsTransparent = $Transparent != -1; |
---|
611 | |
---|
612 | |
---|
613 | if ( $IsTransparent ) |
---|
614 | $ColorCount--; |
---|
615 | |
---|
616 | if ( $ColorCount == 0 ) { |
---|
617 | $ColorCount = 0; |
---|
618 | $BitCount = 24; |
---|
619 | } |
---|
620 | if ( ( $ColorCount > 0 ) and ( $ColorCount <= 2 ) ) { |
---|
621 | $ColorCount = 2; |
---|
622 | $BitCount = 1; |
---|
623 | } |
---|
624 | if ( ( $ColorCount > 2 ) and ( $ColorCount <= 16 ) ) { |
---|
625 | $ColorCount = 16; |
---|
626 | $BitCount = 4; |
---|
627 | } |
---|
628 | if ( ( $ColorCount > 16 ) and ( $ColorCount <= 256 ) ) { |
---|
629 | $ColorCount = 0; |
---|
630 | $BitCount = 8; |
---|
631 | } |
---|
632 | |
---|
633 | |
---|
634 | |
---|
635 | |
---|
636 | |
---|
637 | //ICONINFO: |
---|
638 | $ret .= jpexs_inttobyte( $Width ); // |
---|
639 | $ret .= jpexs_inttobyte( $Height ); // |
---|
640 | $ret .= jpexs_inttobyte( $ColorCount ); // |
---|
641 | $ret .= jpexs_inttobyte( 0 ); //RESERVED |
---|
642 | |
---|
643 | $Planes = 0; |
---|
644 | if ( $BitCount >= 8 ) |
---|
645 | $Planes = 1; |
---|
646 | |
---|
647 | $ret .= jpexs_inttoword( $f, $Planes ); //PLANES |
---|
648 | if ( $BitCount >= 8 ) |
---|
649 | $WBitCount = $BitCount; |
---|
650 | if ( $BitCount == 4 ) |
---|
651 | $WBitCount = 0; |
---|
652 | if ( $BitCount == 1 ) |
---|
653 | $WBitCount = 0; |
---|
654 | $ret .= jpexs_inttoword( $WBitCount ); //BITS |
---|
655 | |
---|
656 | $Zbytek = ( 4 - ( $Width / ( 8 / $BitCount ) ) % 4 ) % 4; |
---|
657 | $ZbytekMask = ( 4 - ( $Width / 8 ) % 4 ) % 4; |
---|
658 | |
---|
659 | $PalSize = 0; |
---|
660 | |
---|
661 | $Size = 40 + ( $Width / ( 8 / $BitCount ) + $Zbytek ) * $Height + ( ( $Width / 8 + $ZbytekMask ) * $Height ); |
---|
662 | if ( $BitCount < 24 ) |
---|
663 | $Size += pow( 2, $BitCount ) * 4; |
---|
664 | $IconId = 1; |
---|
665 | $ret .= jpexs_inttodword( $Size ); //SIZE |
---|
666 | $OffSet = 6 + 16 * $ImageCount + $FullSize; |
---|
667 | $ret .= jpexs_inttodword( 6 + 16 * $ImageCount + $FullSize ); //OFFSET |
---|
668 | $FullSize += $Size; |
---|
669 | //------------- |
---|
670 | |
---|
671 | } |
---|
672 | |
---|
673 | |
---|
674 | for ( $q = 0; $q < $ImageCount; $q++ ) { |
---|
675 | $img = $Image[ $q ]; |
---|
676 | $Width = imagesx( $img ); |
---|
677 | $Height = imagesy( $img ); |
---|
678 | $ColorCount = imagecolorstotal( $img ); |
---|
679 | |
---|
680 | $Transparent = imagecolortransparent( $img ); |
---|
681 | $IsTransparent = $Transparent != -1; |
---|
682 | |
---|
683 | if ( $IsTransparent ) |
---|
684 | $ColorCount--; |
---|
685 | if ( $ColorCount == 0 ) { |
---|
686 | $ColorCount = 0; |
---|
687 | $BitCount = 24; |
---|
688 | } |
---|
689 | if ( ( $ColorCount > 0 ) and ( $ColorCount <= 2 ) ) { |
---|
690 | $ColorCount = 2; |
---|
691 | $BitCount = 1; |
---|
692 | } |
---|
693 | if ( ( $ColorCount > 2 ) and ( $ColorCount <= 16 ) ) { |
---|
694 | $ColorCount = 16; |
---|
695 | $BitCount = 4; |
---|
696 | } |
---|
697 | if ( ( $ColorCount > 16 ) and ( $ColorCount <= 256 ) ) { |
---|
698 | $ColorCount = 0; |
---|
699 | $BitCount = 8; |
---|
700 | } |
---|
701 | |
---|
702 | |
---|
703 | |
---|
704 | //ICONS |
---|
705 | $ret .= jpexs_inttodword( 40 ); //HEADSIZE |
---|
706 | $ret .= jpexs_inttodword( $Width ); // |
---|
707 | $ret .= jpexs_inttodword( 2 * $Height ); // |
---|
708 | $ret .= jpexs_inttoword( 1 ); //PLANES |
---|
709 | $ret .= jpexs_inttoword( $BitCount ); // |
---|
710 | $ret .= jpexs_inttodword( 0 ); //Compress method |
---|
711 | |
---|
712 | |
---|
713 | $ZbytekMask = ( $Width / 8 ) % 4; |
---|
714 | |
---|
715 | $Zbytek = ( $Width / ( 8 / $BitCount ) ) % 4; |
---|
716 | $Size = ( $Width / ( 8 / $BitCount ) + $Zbytek ) * $Height + ( ( $Width / 8 + $ZbytekMask ) * $Height ); |
---|
717 | |
---|
718 | $ret .= jpexs_inttodword( $Size ); //SIZE |
---|
719 | |
---|
720 | $ret .= jpexs_inttodword( 0 ); //HPIXEL_M |
---|
721 | $ret .= jpexs_inttodword( 0 ); //V_PIXEL_M |
---|
722 | $ret .= jpexs_inttodword( $ColorCount ); //UCOLORS |
---|
723 | $ret .= jpexs_inttodword( 0 ); //DCOLORS |
---|
724 | //--------------- |
---|
725 | |
---|
726 | |
---|
727 | $CC = $ColorCount; |
---|
728 | if ( $CC == 0 ) |
---|
729 | $CC = 256; |
---|
730 | |
---|
731 | if ( $BitCount < 24 ) { |
---|
732 | $ColorTotal = imagecolorstotal( $img ); |
---|
733 | if ( $IsTransparent ) |
---|
734 | $ColorTotal--; |
---|
735 | |
---|
736 | for ( $p = 0; $p < $ColorTotal; $p++ ) { |
---|
737 | $color = imagecolorsforindex( $img, $p ); |
---|
738 | $ret .= jpexs_inttobyte( $color[ "blue" ] ); |
---|
739 | $ret .= jpexs_inttobyte( $color[ "green" ] ); |
---|
740 | $ret .= jpexs_inttobyte( $color[ "red" ] ); |
---|
741 | $ret .= jpexs_inttobyte( 0 ); //RESERVED |
---|
742 | } |
---|
743 | |
---|
744 | $CT = $ColorTotal; |
---|
745 | for ( $p = $ColorTotal; $p < $CC; $p++ ) { |
---|
746 | $ret .= jpexs_inttobyte( 0 ); |
---|
747 | $ret .= jpexs_inttobyte( 0 ); |
---|
748 | $ret .= jpexs_inttobyte( 0 ); |
---|
749 | $ret .= jpexs_inttobyte( 0 ); //RESERVED |
---|
750 | } |
---|
751 | } |
---|
752 | |
---|
753 | |
---|
754 | |
---|
755 | |
---|
756 | |
---|
757 | |
---|
758 | if ( $BitCount <= 8 ) { |
---|
759 | for ( $y = $Height - 1; $y >= 0; $y-- ) { |
---|
760 | $bWrite = ""; |
---|
761 | for ( $x = 0; $x < $Width; $x++ ) { |
---|
762 | $color = imagecolorat( $img, $x, $y ); |
---|
763 | if ( $color == $Transparent ) |
---|
764 | $color = imagecolorexact( $img, 0, 0, 0 ); |
---|
765 | if ( $color == -1 ) |
---|
766 | $color = 0; |
---|
767 | if ( $color > pow( 2, $BitCount ) - 1 ) |
---|
768 | $color = 0; |
---|
769 | |
---|
770 | $bWrite .= jpexs_decbinx( $color, $BitCount ); |
---|
771 | if ( strlen( $bWrite ) == 8 ) { |
---|
772 | $ret .= jpexs_inttobyte( bindec( $bWrite ) ); |
---|
773 | $bWrite = ""; |
---|
774 | } |
---|
775 | } |
---|
776 | |
---|
777 | if ( ( strlen( $bWrite ) < 8 ) and ( strlen( $bWrite ) != 0 ) ) { |
---|
778 | $sl = strlen( $bWrite ); |
---|
779 | for ( $t = 0; $t < 8 - $sl; $t++ ) |
---|
780 | $sl .= "0"; |
---|
781 | $ret .= jpexs_inttobyte( bindec( $bWrite ) ); |
---|
782 | } |
---|
783 | for ( $z = 0; $z < $Zbytek; $z++ ) |
---|
784 | $ret .= jpexs_inttobyte( 0 ); |
---|
785 | } |
---|
786 | } |
---|
787 | |
---|
788 | |
---|
789 | |
---|
790 | if ( $BitCount >= 24 ) { |
---|
791 | for ( $y = $Height - 1; $y >= 0; $y-- ) { |
---|
792 | for ( $x = 0; $x < $Width; $x++ ) { |
---|
793 | $color = imagecolorsforindex( $img, imagecolorat( $img, $x, $y ) ); |
---|
794 | $ret .= jpexs_inttobyte( $color[ "blue" ] ); |
---|
795 | $ret .= jpexs_inttobyte( $color[ "green" ] ); |
---|
796 | $ret .= jpexs_inttobyte( $color[ "red" ] ); |
---|
797 | if ( $BitCount == 32 ) |
---|
798 | $ret .= jpexs_inttobyte( 0 ); //Alpha for ICO_XP_COLORS |
---|
799 | } |
---|
800 | for ( $z = 0; $z < $Zbytek; $z++ ) |
---|
801 | $ret .= jpexs_inttobyte( 0 ); |
---|
802 | } |
---|
803 | } |
---|
804 | |
---|
805 | |
---|
806 | //MASK |
---|
807 | |
---|
808 | for ( $y = $Height - 1; $y >= 0; $y-- ) { |
---|
809 | $byteCount = 0; |
---|
810 | $bOut = ""; |
---|
811 | for ( $x = 0; $x < $Width; $x++ ) { |
---|
812 | if ( ( $Transparent != -1 ) and ( imagecolorat( $img, $x, $y ) == $Transparent ) ) { |
---|
813 | $bOut .= "1"; |
---|
814 | } else { |
---|
815 | $bOut .= "0"; |
---|
816 | } |
---|
817 | } |
---|
818 | for ( $p = 0; $p < strlen( $bOut ); $p += 8 ) { |
---|
819 | $byte = bindec( substr( $bOut, $p, 8 ) ); |
---|
820 | $byteCount++; |
---|
821 | $ret .= jpexs_inttobyte( $byte ); |
---|
822 | } |
---|
823 | $Zbytek = $byteCount % 4; |
---|
824 | for ( $z = 0; $z < $Zbytek; $z++ ) { |
---|
825 | $ret .= jpexs_inttobyte( 0xff ); |
---|
826 | } |
---|
827 | } |
---|
828 | |
---|
829 | //------------------ |
---|
830 | |
---|
831 | } //q |
---|
832 | |
---|
833 | |
---|
834 | |
---|
835 | |
---|
836 | |
---|
837 | if ( $WriteToFile ) { |
---|
838 | $f = fopen( $filename, "w" ); |
---|
839 | fwrite( $f, $ret ); |
---|
840 | fclose( $f ); |
---|
841 | } else { |
---|
842 | echo $ret; |
---|
843 | } |
---|
844 | |
---|
845 | } |
---|
846 | |
---|
847 | |
---|
848 | |
---|
849 | |
---|
850 | /* |
---|
851 | * Internal functions: |
---|
852 | *------------------------- |
---|
853 | * jpexs_inttobyte($n) - returns chr(n) |
---|
854 | * jpexs_inttodword($n) - returns dword (n) |
---|
855 | * jpexs_inttoword($n) - returns word(n) |
---|
856 | * jpexs_freadbyte($file) - reads 1 byte from $file |
---|
857 | * jpexs_freadword($file) - reads 2 bytes (1 word) from $file |
---|
858 | * jpexs_freaddword($file) - reads 4 bytes (1 dword) from $file |
---|
859 | * jpexs_freadlngint($file) - same as freaddword($file) |
---|
860 | * jpexs_decbin8($d) - returns binary string of d zero filled to 8 |
---|
861 | * jpexs_RetBits($byte,$start,$len) - returns bits $start->$start+$len from $byte |
---|
862 | * jpexs_freadbits($file,$count) - reads next $count bits from $file |
---|
863 | */ |
---|
864 | |
---|
865 | |
---|
866 | function jpexs_decbin8( $d ) { |
---|
867 | return jpexs_decbinx( $d, 8 ); |
---|
868 | } |
---|
869 | |
---|
870 | function jpexs_decbinx( $d, $n ) { |
---|
871 | $bin = decbin( $d ); |
---|
872 | $sbin = strlen( $bin ); |
---|
873 | for ( $j = 0; $j < $n - $sbin; $j++ ) |
---|
874 | $bin = "0$bin"; |
---|
875 | return $bin; |
---|
876 | } |
---|
877 | |
---|
878 | function jpexs_retBits( $byte, $start, $len ) { |
---|
879 | $bin = jpexs_decbin8( $byte ); |
---|
880 | $r = bindec( substr( $bin, $start, $len ) ); |
---|
881 | return $r; |
---|
882 | |
---|
883 | } |
---|
884 | |
---|
885 | |
---|
886 | |
---|
887 | $jpexs_currentBit = 0; |
---|
888 | function jpexs_freadbits( $f, $count ) { |
---|
889 | global $jpexs_currentBit, $jpexs_SMode; |
---|
890 | $Byte = jpexs_freadbyte( $f ); |
---|
891 | $LastCBit = $jpexs_currentBit; |
---|
892 | $jpexs_currentBit += $count; |
---|
893 | if ( $jpexs_currentBit == 8 ) { |
---|
894 | $jpexs_currentBit = 0; |
---|
895 | } else { |
---|
896 | fseek( $f, ftell( $f ) - 1 ); |
---|
897 | } |
---|
898 | return jpexs_retBits( $Byte, $LastCBit, $count ); |
---|
899 | } |
---|
900 | |
---|
901 | |
---|
902 | function jpexs_freadbyte( $f ) { |
---|
903 | return ord( fread( $f, 1 ) ); |
---|
904 | } |
---|
905 | |
---|
906 | function jpexs_freadword( $f ) { |
---|
907 | $b1 = jpexs_freadbyte( $f ); |
---|
908 | $b2 = jpexs_freadbyte( $f ); |
---|
909 | return $b2 * 256 + $b1; |
---|
910 | } |
---|
911 | |
---|
912 | |
---|
913 | function jpexs_freadlngint( $f ) { |
---|
914 | return jpexs_freaddword( $f ); |
---|
915 | } |
---|
916 | |
---|
917 | function jpexs_freaddword( $f ) { |
---|
918 | $b1 = jpexs_freadword( $f ); |
---|
919 | $b2 = jpexs_freadword( $f ); |
---|
920 | return $b2 * 65536 + $b1; |
---|
921 | } |
---|
922 | |
---|
923 | function jpexs_inttobyte( $n ) { |
---|
924 | return chr( $n ); |
---|
925 | } |
---|
926 | |
---|
927 | function jpexs_inttodword( $n ) { |
---|
928 | return chr( $n & 255 ) . chr( ( $n >> 8 ) & 255 ) . chr( ( $n >> 16 ) & 255 ) . chr( ( $n >> 24 ) & 255 ); |
---|
929 | } |
---|
930 | |
---|
931 | function jpexs_inttoword( $n ) { |
---|
932 | return chr( $n & 255 ) . chr( ( $n >> 8 ) & 255 ); |
---|
933 | } |
---|
934 | |
---|
935 | ?> |
---|