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var
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doncode.com.ua
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www
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obmen
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include
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jpgraph
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/var/www/doncode.com.ua/www/obmen/include/jpgraph
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lang/
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CHANGELOG
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flags.dat
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/var/www/doncode.com.ua/www/obmen/include/jpgraph/gd_image.inc.php
(68914B)
<?php //======================================================================= // File: GD_IMAGE.INC.PHP // Description: GD Instance of Image class // Created: 2006-05-06 // Ver: $Id: gd_image.inc.php 976 2008-03-09 18:42:44Z ljp $ // // Copyright (c) Aditus Consulting. All rights reserved. //======================================================================== //=================================================== // CLASS RGB // Description: Color definitions as RGB triples //=================================================== class RGB { var $rgb_table; var $img; function RGB(&$aImg) { $this->img = &$aImg; // Conversion array between color names and RGB $this->rgb_table = array( "aqua"=> array(0,255,255), "lime"=> array(0,255,0), "teal"=> array(0,128,128), "whitesmoke"=>array(245,245,245), "gainsboro"=>array(220,220,220), "oldlace"=>array(253,245,230), "linen"=>array(250,240,230), "antiquewhite"=>array(250,235,215), "papayawhip"=>array(255,239,213), "blanchedalmond"=>array(255,235,205), "bisque"=>array(255,228,196), "peachpuff"=>array(255,218,185), "navajowhite"=>array(255,222,173), "moccasin"=>array(255,228,181), "cornsilk"=>array(255,248,220), "ivory"=>array(255,255,240), "lemonchiffon"=>array(255,250,205), "seashell"=>array(255,245,238), "mintcream"=>array(245,255,250), "azure"=>array(240,255,255), "aliceblue"=>array(240,248,255), "lavender"=>array(230,230,250), "lavenderblush"=>array(255,240,245), "mistyrose"=>array(255,228,225), "white"=>array(255,255,255), "black"=>array(0,0,0), "darkslategray"=>array(47,79,79), "dimgray"=>array(105,105,105), "slategray"=>array(112,128,144), "lightslategray"=>array(119,136,153), "gray"=>array(190,190,190), "lightgray"=>array(211,211,211), "midnightblue"=>array(25,25,112), "navy"=>array(0,0,128), "cornflowerblue"=>array(100,149,237), "darkslateblue"=>array(72,61,139), "slateblue"=>array(106,90,205), "mediumslateblue"=>array(123,104,238), "lightslateblue"=>array(132,112,255), "mediumblue"=>array(0,0,205), "royalblue"=>array(65,105,225), "blue"=>array(0,0,255), "dodgerblue"=>array(30,144,255), "deepskyblue"=>array(0,191,255), "skyblue"=>array(135,206,235), "lightskyblue"=>array(135,206,250), "steelblue"=>array(70,130,180), "lightred"=>array(211,167,168), "lightsteelblue"=>array(176,196,222), "lightblue"=>array(173,216,230), "powderblue"=>array(176,224,230), "paleturquoise"=>array(175,238,238), "darkturquoise"=>array(0,206,209), "mediumturquoise"=>array(72,209,204), "turquoise"=>array(64,224,208), "cyan"=>array(0,255,255), "lightcyan"=>array(224,255,255), "cadetblue"=>array(95,158,160), "mediumaquamarine"=>array(102,205,170), "aquamarine"=>array(127,255,212), "darkgreen"=>array(0,100,0), "darkolivegreen"=>array(85,107,47), "darkseagreen"=>array(143,188,143), "seagreen"=>array(46,139,87), "mediumseagreen"=>array(60,179,113), "lightseagreen"=>array(32,178,170), "palegreen"=>array(152,251,152), "springgreen"=>array(0,255,127), "lawngreen"=>array(124,252,0), "green"=>array(0,255,0), "chartreuse"=>array(127,255,0), "mediumspringgreen"=>array(0,250,154), "greenyellow"=>array(173,255,47), "limegreen"=>array(50,205,50), "yellowgreen"=>array(154,205,50), "forestgreen"=>array(34,139,34), "olivedrab"=>array(107,142,35), "darkkhaki"=>array(189,183,107), "khaki"=>array(240,230,140), "palegoldenrod"=>array(238,232,170), "lightgoldenrodyellow"=>array(250,250,210), "lightyellow"=>array(255,255,200), "yellow"=>array(255,255,0), "gold"=>array(255,215,0), "lightgoldenrod"=>array(238,221,130), "goldenrod"=>array(218,165,32), "darkgoldenrod"=>array(184,134,11), "rosybrown"=>array(188,143,143), "indianred"=>array(205,92,92), "saddlebrown"=>array(139,69,19), "sienna"=>array(160,82,45), "peru"=>array(205,133,63), "burlywood"=>array(222,184,135), "beige"=>array(245,245,220), "wheat"=>array(245,222,179), "sandybrown"=>array(244,164,96), "tan"=>array(210,180,140), "chocolate"=>array(210,105,30), "firebrick"=>array(178,34,34), "brown"=>array(165,42,42), "darksalmon"=>array(233,150,122), "salmon"=>array(250,128,114), "lightsalmon"=>array(255,160,122), "orange"=>array(255,165,0), "darkorange"=>array(255,140,0), "coral"=>array(255,127,80), "lightcoral"=>array(240,128,128), "tomato"=>array(255,99,71), "orangered"=>array(255,69,0), "red"=>array(255,0,0), "hotpink"=>array(255,105,180), "deeppink"=>array(255,20,147), "pink"=>array(255,192,203), "lightpink"=>array(255,182,193), "palevioletred"=>array(219,112,147), "maroon"=>array(176,48,96), "mediumvioletred"=>array(199,21,133), "violetred"=>array(208,32,144), "magenta"=>array(255,0,255), "violet"=>array(238,130,238), "plum"=>array(221,160,221), "orchid"=>array(218,112,214), "mediumorchid"=>array(186,85,211), "darkorchid"=>array(153,50,204), "darkviolet"=>array(148,0,211), "blueviolet"=>array(138,43,226), "purple"=>array(160,32,240), "mediumpurple"=>array(147,112,219), "thistle"=>array(216,191,216), "snow1"=>array(255,250,250), "snow2"=>array(238,233,233), "snow3"=>array(205,201,201), "snow4"=>array(139,137,137), "seashell1"=>array(255,245,238), "seashell2"=>array(238,229,222), "seashell3"=>array(205,197,191), "seashell4"=>array(139,134,130), "AntiqueWhite1"=>array(255,239,219), "AntiqueWhite2"=>array(238,223,204), "AntiqueWhite3"=>array(205,192,176), "AntiqueWhite4"=>array(139,131,120), "bisque1"=>array(255,228,196), "bisque2"=>array(238,213,183), "bisque3"=>array(205,183,158), "bisque4"=>array(139,125,107), "peachPuff1"=>array(255,218,185), "peachpuff2"=>array(238,203,173), "peachpuff3"=>array(205,175,149), "peachpuff4"=>array(139,119,101), "navajowhite1"=>array(255,222,173), "navajowhite2"=>array(238,207,161), "navajowhite3"=>array(205,179,139), "navajowhite4"=>array(139,121,94), "lemonchiffon1"=>array(255,250,205), "lemonchiffon2"=>array(238,233,191), "lemonchiffon3"=>array(205,201,165), "lemonchiffon4"=>array(139,137,112), "ivory1"=>array(255,255,240), "ivory2"=>array(238,238,224), "ivory3"=>array(205,205,193), "ivory4"=>array(139,139,131), "honeydew"=>array(193,205,193), "lavenderblush1"=>array(255,240,245), "lavenderblush2"=>array(238,224,229), "lavenderblush3"=>array(205,193,197), "lavenderblush4"=>array(139,131,134), "mistyrose1"=>array(255,228,225), "mistyrose2"=>array(238,213,210), "mistyrose3"=>array(205,183,181), "mistyrose4"=>array(139,125,123), "azure1"=>array(240,255,255), "azure2"=>array(224,238,238), "azure3"=>array(193,205,205), "azure4"=>array(131,139,139), "slateblue1"=>array(131,111,255), "slateblue2"=>array(122,103,238), "slateblue3"=>array(105,89,205), "slateblue4"=>array(71,60,139), "royalblue1"=>array(72,118,255), "royalblue2"=>array(67,110,238), "royalblue3"=>array(58,95,205), "royalblue4"=>array(39,64,139), "dodgerblue1"=>array(30,144,255), "dodgerblue2"=>array(28,134,238), "dodgerblue3"=>array(24,116,205), "dodgerblue4"=>array(16,78,139), "steelblue1"=>array(99,184,255), "steelblue2"=>array(92,172,238), "steelblue3"=>array(79,148,205), "steelblue4"=>array(54,100,139), "deepskyblue1"=>array(0,191,255), "deepskyblue2"=>array(0,178,238), "deepskyblue3"=>array(0,154,205), "deepskyblue4"=>array(0,104,139), "skyblue1"=>array(135,206,255), "skyblue2"=>array(126,192,238), "skyblue3"=>array(108,166,205), "skyblue4"=>array(74,112,139), "lightskyblue1"=>array(176,226,255), "lightskyblue2"=>array(164,211,238), "lightskyblue3"=>array(141,182,205), "lightskyblue4"=>array(96,123,139), "slategray1"=>array(198,226,255), "slategray2"=>array(185,211,238), "slategray3"=>array(159,182,205), "slategray4"=>array(108,123,139), "lightsteelblue1"=>array(202,225,255), "lightsteelblue2"=>array(188,210,238), "lightsteelblue3"=>array(162,181,205), "lightsteelblue4"=>array(110,123,139), "lightblue1"=>array(191,239,255), "lightblue2"=>array(178,223,238), "lightblue3"=>array(154,192,205), "lightblue4"=>array(104,131,139), "lightcyan1"=>array(224,255,255), "lightcyan2"=>array(209,238,238), "lightcyan3"=>array(180,205,205), "lightcyan4"=>array(122,139,139), "paleturquoise1"=>array(187,255,255), "paleturquoise2"=>array(174,238,238), "paleturquoise3"=>array(150,205,205), "paleturquoise4"=>array(102,139,139), "cadetblue1"=>array(152,245,255), "cadetblue2"=>array(142,229,238), "cadetblue3"=>array(122,197,205), "cadetblue4"=>array(83,134,139), "turquoise1"=>array(0,245,255), "turquoise2"=>array(0,229,238), "turquoise3"=>array(0,197,205), "turquoise4"=>array(0,134,139), "cyan1"=>array(0,255,255), "cyan2"=>array(0,238,238), "cyan3"=>array(0,205,205), "cyan4"=>array(0,139,139), "darkslategray1"=>array(151,255,255), "darkslategray2"=>array(141,238,238), "darkslategray3"=>array(121,205,205), "darkslategray4"=>array(82,139,139), "aquamarine1"=>array(127,255,212), "aquamarine2"=>array(118,238,198), "aquamarine3"=>array(102,205,170), "aquamarine4"=>array(69,139,116), "darkseagreen1"=>array(193,255,193), "darkseagreen2"=>array(180,238,180), "darkseagreen3"=>array(155,205,155), "darkseagreen4"=>array(105,139,105), "seagreen1"=>array(84,255,159), "seagreen2"=>array(78,238,148), "seagreen3"=>array(67,205,128), "seagreen4"=>array(46,139,87), "palegreen1"=>array(154,255,154), "palegreen2"=>array(144,238,144), "palegreen3"=>array(124,205,124), "palegreen4"=>array(84,139,84), "springgreen1"=>array(0,255,127), "springgreen2"=>array(0,238,118), "springgreen3"=>array(0,205,102), "springgreen4"=>array(0,139,69), "chartreuse1"=>array(127,255,0), "chartreuse2"=>array(118,238,0), "chartreuse3"=>array(102,205,0), "chartreuse4"=>array(69,139,0), "olivedrab1"=>array(192,255,62), "olivedrab2"=>array(179,238,58), "olivedrab3"=>array(154,205,50), "olivedrab4"=>array(105,139,34), "darkolivegreen1"=>array(202,255,112), "darkolivegreen2"=>array(188,238,104), "darkolivegreen3"=>array(162,205,90), "darkolivegreen4"=>array(110,139,61), "khaki1"=>array(255,246,143), "khaki2"=>array(238,230,133), "khaki3"=>array(205,198,115), "khaki4"=>array(139,134,78), "lightgoldenrod1"=>array(255,236,139), "lightgoldenrod2"=>array(238,220,130), "lightgoldenrod3"=>array(205,190,112), "lightgoldenrod4"=>array(139,129,76), "yellow1"=>array(255,255,0), "yellow2"=>array(238,238,0), "yellow3"=>array(205,205,0), "yellow4"=>array(139,139,0), "gold1"=>array(255,215,0), "gold2"=>array(238,201,0), "gold3"=>array(205,173,0), "gold4"=>array(139,117,0), "goldenrod1"=>array(255,193,37), "goldenrod2"=>array(238,180,34), "goldenrod3"=>array(205,155,29), "goldenrod4"=>array(139,105,20), "darkgoldenrod1"=>array(255,185,15), "darkgoldenrod2"=>array(238,173,14), "darkgoldenrod3"=>array(205,149,12), "darkgoldenrod4"=>array(139,101,8), "rosybrown1"=>array(255,193,193), "rosybrown2"=>array(238,180,180), "rosybrown3"=>array(205,155,155), "rosybrown4"=>array(139,105,105), "indianred1"=>array(255,106,106), "indianred2"=>array(238,99,99), "indianred3"=>array(205,85,85), "indianred4"=>array(139,58,58), "sienna1"=>array(255,130,71), "sienna2"=>array(238,121,66), "sienna3"=>array(205,104,57), "sienna4"=>array(139,71,38), "burlywood1"=>array(255,211,155), "burlywood2"=>array(238,197,145), "burlywood3"=>array(205,170,125), "burlywood4"=>array(139,115,85), "wheat1"=>array(255,231,186), "wheat2"=>array(238,216,174), "wheat3"=>array(205,186,150), "wheat4"=>array(139,126,102), "tan1"=>array(255,165,79), "tan2"=>array(238,154,73), "tan3"=>array(205,133,63), "tan4"=>array(139,90,43), "chocolate1"=>array(255,127,36), "chocolate2"=>array(238,118,33), "chocolate3"=>array(205,102,29), "chocolate4"=>array(139,69,19), "firebrick1"=>array(255,48,48), "firebrick2"=>array(238,44,44), "firebrick3"=>array(205,38,38), "firebrick4"=>array(139,26,26), "brown1"=>array(255,64,64), "brown2"=>array(238,59,59), "brown3"=>array(205,51,51), "brown4"=>array(139,35,35), "salmon1"=>array(255,140,105), "salmon2"=>array(238,130,98), "salmon3"=>array(205,112,84), "salmon4"=>array(139,76,57), "lightsalmon1"=>array(255,160,122), "lightsalmon2"=>array(238,149,114), "lightsalmon3"=>array(205,129,98), "lightsalmon4"=>array(139,87,66), "orange1"=>array(255,165,0), "orange2"=>array(238,154,0), "orange3"=>array(205,133,0), "orange4"=>array(139,90,0), "darkorange1"=>array(255,127,0), "darkorange2"=>array(238,118,0), "darkorange3"=>array(205,102,0), "darkorange4"=>array(139,69,0), "coral1"=>array(255,114,86), "coral2"=>array(238,106,80), "coral3"=>array(205,91,69), "coral4"=>array(139,62,47), "tomato1"=>array(255,99,71), "tomato2"=>array(238,92,66), "tomato3"=>array(205,79,57), "tomato4"=>array(139,54,38), "orangered1"=>array(255,69,0), "orangered2"=>array(238,64,0), "orangered3"=>array(205,55,0), "orangered4"=>array(139,37,0), "deeppink1"=>array(255,20,147), "deeppink2"=>array(238,18,137), "deeppink3"=>array(205,16,118), "deeppink4"=>array(139,10,80), "hotpink1"=>array(255,110,180), "hotpink2"=>array(238,106,167), "hotpink3"=>array(205,96,144), "hotpink4"=>array(139,58,98), "pink1"=>array(255,181,197), "pink2"=>array(238,169,184), "pink3"=>array(205,145,158), "pink4"=>array(139,99,108), "lightpink1"=>array(255,174,185), "lightpink2"=>array(238,162,173), "lightpink3"=>array(205,140,149), "lightpink4"=>array(139,95,101), "palevioletred1"=>array(255,130,171), "palevioletred2"=>array(238,121,159), "palevioletred3"=>array(205,104,137), "palevioletred4"=>array(139,71,93), "maroon1"=>array(255,52,179), "maroon2"=>array(238,48,167), "maroon3"=>array(205,41,144), "maroon4"=>array(139,28,98), "violetred1"=>array(255,62,150), "violetred2"=>array(238,58,140), "violetred3"=>array(205,50,120), "violetred4"=>array(139,34,82), "magenta1"=>array(255,0,255), "magenta2"=>array(238,0,238), "magenta3"=>array(205,0,205), "magenta4"=>array(139,0,139), "mediumred"=>array(140,34,34), "orchid1"=>array(255,131,250), "orchid2"=>array(238,122,233), "orchid3"=>array(205,105,201), "orchid4"=>array(139,71,137), "plum1"=>array(255,187,255), "plum2"=>array(238,174,238), "plum3"=>array(205,150,205), "plum4"=>array(139,102,139), "mediumorchid1"=>array(224,102,255), "mediumorchid2"=>array(209,95,238), "mediumorchid3"=>array(180,82,205), "mediumorchid4"=>array(122,55,139), "darkorchid1"=>array(191,62,255), "darkorchid2"=>array(178,58,238), "darkorchid3"=>array(154,50,205), "darkorchid4"=>array(104,34,139), "purple1"=>array(155,48,255), "purple2"=>array(145,44,238), "purple3"=>array(125,38,205), "purple4"=>array(85,26,139), "mediumpurple1"=>array(171,130,255), "mediumpurple2"=>array(159,121,238), "mediumpurple3"=>array(137,104,205), "mediumpurple4"=>array(93,71,139), "thistle1"=>array(255,225,255), "thistle2"=>array(238,210,238), "thistle3"=>array(205,181,205), "thistle4"=>array(139,123,139), "gray1"=>array(10,10,10), "gray2"=>array(40,40,30), "gray3"=>array(70,70,70), "gray4"=>array(100,100,100), "gray5"=>array(130,130,130), "gray6"=>array(160,160,160), "gray7"=>array(190,190,190), "gray8"=>array(210,210,210), "gray9"=>array(240,240,240), "darkgray"=>array(100,100,100), "darkblue"=>array(0,0,139), "darkcyan"=>array(0,139,139), "darkmagenta"=>array(139,0,139), "darkred"=>array(139,0,0), "silver"=>array(192, 192, 192), "eggplant"=>array(144,176,168), "lightgreen"=>array(144,238,144)); } //---------------- // PUBLIC METHODS // Colors can be specified as either // 1. #xxxxxx HTML style // 2. "colorname" as a named color // 3. array(r,g,b) RGB triple // This function translates this to a native RGB format and returns an // RGB triple. function Color($aColor) { if (is_string($aColor)) { // Strip of any alpha factor $pos = strpos($aColor,'@'); if( $pos === false ) { $alpha = 0; } else { $pos2 = strpos($aColor,':'); if( $pos2===false ) $pos2 = $pos-1; // Sentinel if( $pos > $pos2 ) { $alpha = substr($aColor,$pos+1); $aColor = substr($aColor,0,$pos); } else { $alpha = substr($aColor,$pos+1,$pos2-$pos-1); $aColor = substr($aColor,0,$pos).substr($aColor,$pos2); } } // Extract potential adjustment figure at end of color // specification $pos = strpos($aColor,":"); if( $pos === false ) { $adj = 1.0; } else { $adj = 0.0 + substr($aColor,$pos+1); $aColor = substr($aColor,0,$pos); } if( $adj < 0 ) JpGraphError::RaiseL(25077);//('Adjustment factor for color must be > 0'); if (substr($aColor, 0, 1) == "#") { $r = hexdec(substr($aColor, 1, 2)); $g = hexdec(substr($aColor, 3, 2)); $b = hexdec(substr($aColor, 5, 2)); } else { if(!isset($this->rgb_table[$aColor]) ) JpGraphError::RaiseL(25078,$aColor);//(" Unknown color: $aColor"); $tmp=$this->rgb_table[$aColor]; $r = $tmp[0]; $g = $tmp[1]; $b = $tmp[2]; } // Scale adj so that an adj=2 always // makes the color 100% white (i.e. 255,255,255. // and adj=1 neutral and adj=0 black. if( $adj > 1 ) { $m = ($adj-1.0)*(255-min(255,min($r,min($g,$b)))); return array(min(255,$r+$m), min(255,$g+$m), min(255,$b+$m),$alpha); } elseif( $adj < 1 ) { $m = ($adj-1.0)*max(255,max($r,max($g,$b))); return array(max(0,$r+$m), max(0,$g+$m), max(0,$b+$m),$alpha); } else { return array($r,$g,$b,$alpha); } } elseif( is_array($aColor) ) { if( count($aColor)==3 ) { $aColor[3]=0; return $aColor; } else return $aColor; } else JpGraphError::RaiseL(25079,$aColor,count($aColor));//(" Unknown color specification: $aColor , size=".count($aColor)); } // Compare two colors // return true if equal function Equal($aCol1,$aCol2) { $c1 = $this->Color($aCol1); $c2 = $this->Color($aCol2); if( $c1[0]==$c2[0] && $c1[1]==$c2[1] && $c1[2]==$c2[2] ) return true; else return false; } // Allocate a new color in the current image // Return new color index, -1 if no more colors could be allocated function Allocate($aColor,$aAlpha=0.0) { list ($r, $g, $b, $a) = $this->color($aColor); // If alpha is specified in the color string then this // takes precedence over the second argument if( $a > 0 ) $aAlpha = $a; if( $aAlpha < 0 || $aAlpha > 1 ) { JpGraphError::RaiseL(25080);//('Alpha parameter for color must be between 0.0 and 1.0'); } return imagecolorresolvealpha($this->img, $r, $g, $b, round($aAlpha * 127)); } } // Class //=================================================== // CLASS Image // Description: Wrapper class with some goodies to form the // Interface to low level image drawing routines. //=================================================== class Image { var $img_format; var $expired=true; var $img=null; var $left_margin=30,$right_margin=20,$top_margin=20,$bottom_margin=30; var $plotwidth=0,$plotheight=0; var $rgb=null; var $current_color,$current_color_name; var $lastx=0, $lasty=0; var $width=0, $height=0; var $line_weight=1; var $line_style=1; // Default line style is solid var $obs_list=array(); var $font_size=12,$font_family=FF_FONT1, $font_style=FS_NORMAL; var $font_file=''; var $text_halign="left",$text_valign="bottom"; var $ttf=null; var $use_anti_aliasing=false; var $quality=null; var $colorstack=array(),$colorstackidx=0; var $canvascolor = 'white' ; var $langconv = null ; //--------------- // CONSTRUCTOR function Image($aWidth,$aHeight,$aFormat=DEFAULT_GFORMAT,$aSetAutoMargin=true) { $this->CreateImgCanvas($aWidth,$aHeight); if( $aSetAutoMargin ) $this->SetAutoMargin(); if( !$this->SetImgFormat($aFormat) ) { JpGraphError::RaiseL(25081,$aFormat);//("JpGraph: Selected graphic format is either not supported or unknown [$aFormat]"); } $this->ttf = new TTF(); $this->langconv = new LanguageConv(); } // Should we use anti-aliasing. Note: This really slows down graphics! function SetAntiAliasing() { $this->use_anti_aliasing=true; } function CreateRawCanvas($aWidth=0,$aHeight=0) { if( $aWidth <= 1 || $aHeight <= 1 ) { JpGraphError::RaiseL(25082,$aWidth,$aHeight);//("Illegal sizes specified for width or height when creating an image, (width=$aWidth, height=$aHeight)"); } $this->img = @imagecreatetruecolor($aWidth, $aHeight); if( $this->img < 1 ) { JpGraphError::RaiseL(25126); //die("Can't create truecolor image. Check that you really have GD2 library installed."); } $this->SetAlphaBlending(); if( $this->rgb != null ) $this->rgb->img = $this->img ; else $this->rgb = new RGB($this->img); } function CloneCanvasH() { $oldimage = $this->img; $this->CreateRawCanvas($this->width,$this->height); imagecopy($this->img,$oldimage,0,0,0,0,$this->width,$this->height); return $oldimage; } function CreateImgCanvas($aWidth=0,$aHeight=0) { $old = array($this->img,$this->width,$this->height); $aWidth = round($aWidth); $aHeight = round($aHeight); $this->width=$aWidth; $this->height=$aHeight; if( $aWidth==0 || $aHeight==0 ) { // We will set the final size later. // Note: The size must be specified before any other // img routines that stroke anything are called. $this->img = null; $this->rgb = null; return $old; } $this->CreateRawCanvas($aWidth,$aHeight); // Set canvas color (will also be the background color for a // a pallett image $this->SetColor($this->canvascolor); $this->FilledRectangle(0,0,$aWidth,$aHeight); return $old ; } function CopyCanvasH($aToHdl,$aFromHdl,$aToX,$aToY,$aFromX,$aFromY,$aWidth,$aHeight,$aw=-1,$ah=-1) { if( $aw === -1 ) { $aw = $aWidth; $ah = $aHeight; $f = 'imagecopyresized'; } else { $f = 'imagecopyresampled' ; } $f($aToHdl,$aFromHdl, $aToX,$aToY,$aFromX,$aFromY, $aWidth,$aHeight,$aw,$ah); } function Copy($fromImg,$toX,$toY,$fromX,$fromY,$toWidth,$toHeight,$fromWidth=-1,$fromHeight=-1) { $this->CopyCanvasH($this->img,$fromImg,$toX,$toY,$fromX,$fromY, $toWidth,$toHeight,$fromWidth,$fromHeight); } function CopyMerge($fromImg,$toX,$toY,$fromX,$fromY,$toWidth,$toHeight,$fromWidth=-1,$fromHeight=-1,$aMix=100) { if( $aMix == 100 ) { $this->CopyCanvasH($this->img,$fromImg, $toX,$toY,$fromX,$fromY,$toWidth,$toHeight,$fromWidth,$fromHeight); } else { if( ($fromWidth != -1 && ($fromWidth != $toWidth)) || ($fromHeight != -1 && ($fromHeight != $fromHeight)) ) { // Create a new canvas that will hold the re-scaled original from image if( $toWidth <= 1 || $toHeight <= 1 ) { JpGraphError::RaiseL(25083);//('Illegal image size when copying image. Size for copied to image is 1 pixel or less.'); } $tmpimg = @imagecreatetruecolor($toWidth, $toHeight); if( $tmpimg < 1 ) { JpGraphError::RaiseL(25084);//('Failed to create temporary GD canvas. Out of memory ?'); } $this->CopyCanvasH($tmpimg,$fromImg,0,0,0,0, $toWidth,$toHeight,$fromWidth,$fromHeight); $fromImg = $tmpimg; } imagecopymerge($this->img,$fromImg,$toX,$toY,$fromX,$fromY,$toWidth,$toHeight,$aMix); } } function GetWidth($aImg=null) { if( $aImg === null ) $aImg = $this->img; return imagesx($aImg); } function GetHeight($aImg=null) { if( $aImg === null ) $aImg = $this->img; return imagesy($aImg); } function CreateFromString($aStr) { $img = @imagecreatefromstring($aStr); if( $img === false ) { JpGraphError::RaiseL(25085);//('An image can not be created from the supplied string. It is either in a format not supported or the string is representing an corrupt image.'); } return $img; } function SetCanvasH($aHdl) { $this->img = $aHdl; $this->rgb->img = $aHdl; } function SetCanvasColor($aColor) { $this->canvascolor = $aColor ; } function SetAlphaBlending($aFlg=true) { ImageAlphaBlending($this->img,$aFlg); } function SetAutoMargin() { GLOBAL $gJpgBrandTiming; $min_bm=5; /* if( $gJpgBrandTiming ) $min_bm=15; */ $lm = min(40,$this->width/7); $rm = min(20,$this->width/10); $tm = max(5,$this->height/7); $bm = max($min_bm,$this->height/7); $this->SetMargin($lm,$rm,$tm,$bm); } //--------------- // PUBLIC METHODS function SetFont($family,$style=FS_NORMAL,$size=10) { $this->font_family=$family; $this->font_style=$style; $this->font_size=$size; $this->font_file=''; if( ($this->font_family==FF_FONT1 || $this->font_family==FF_FONT2) && $this->font_style==FS_BOLD ){ ++$this->font_family; } if( $this->font_family > FF_FONT2+1 ) { // A TTF font so get the font file // Check that this PHP has support for TTF fonts if( !function_exists('imagettfbbox') ) { JpGraphError::RaiseL(25087);//('This PHP build has not been configured with TTF support. You need to recompile your PHP installation with FreeType support.'); } $this->font_file = $this->ttf->File($this->font_family,$this->font_style); } } // Get the specific height for a text string function GetTextHeight($txt="",$angle=0) { $tmp = explode("\n",$txt); $n = count($tmp); $m=0; for($i=0; $i< $n; ++$i) $m = max($m,strlen($tmp[$i])); if( $this->font_family <= FF_FONT2+1 ) { if( $angle==0 ) { $h = imagefontheight($this->font_family); if( $h === false ) { JpGraphError::RaiseL(25088);//('You have a misconfigured GD font support. The call to imagefontwidth() fails.'); } return $n*$h; } else { $w = @imagefontwidth($this->font_family); if( $w === false ) { JpGraphError::RaiseL(25088);//('You have a misconfigured GD font support. The call to imagefontwidth() fails.'); } return $m*$w; } } else { $bbox = $this->GetTTFBBox($txt,$angle); return $bbox[1]-$bbox[5]; } } // Estimate font height function GetFontHeight($angle=0) { $txt = "XOMg"; return $this->GetTextHeight($txt,$angle); } // Approximate font width with width of letter "O" function GetFontWidth($angle=0) { $txt = 'O'; return $this->GetTextWidth($txt,$angle); } // Get actual width of text in absolute pixels function GetTextWidth($txt,$angle=0) { $tmp = explode("\n",$txt); $n = count($tmp); if( $this->font_family <= FF_FONT2+1 ) { $m=0; for($i=0; $i < $n; ++$i) { $l=strlen($tmp[$i]); if( $l > $m ) { $m = $l; } } if( $angle==0 ) { $w = @imagefontwidth($this->font_family); if( $w === false ) { JpGraphError::RaiseL(25088);//('You have a misconfigured GD font support. The call to imagefontwidth() fails.'); } return $m*$w; } else { // 90 degrees internal so height becomes width $h = @imagefontheight($this->font_family); if( $h === false ) { JpGraphError::RaiseL(25089);//('You have a misconfigured GD font support. The call to imagefontheight() fails.'); } return $n*$h; } } else { // For TTF fonts we must walk through a lines and find the // widest one which we use as the width of the multi-line // paragraph $m=0; for( $i=0; $i < $n; ++$i ) { $bbox = $this->GetTTFBBox($tmp[$i],$angle); $mm = $bbox[2] - $bbox[0]; if( $mm > $m ) $m = $mm; } return $m; } } // Draw text with a box around it function StrokeBoxedText($x,$y,$txt,$dir=0,$fcolor="white",$bcolor="black", $shadowcolor=false,$paragraph_align="left", $xmarg=6,$ymarg=4,$cornerradius=0,$dropwidth=3) { if( !is_numeric($dir) ) { if( $dir=="h" ) $dir=0; elseif( $dir=="v" ) $dir=90; else JpGraphError::RaiseL(25090,$dir);//(" Unknown direction specified in call to StrokeBoxedText() [$dir]"); } if( $this->font_family >= FF_FONT0 && $this->font_family <= FF_FONT2+1) { $width=$this->GetTextWidth($txt,$dir) ; $height=$this->GetTextHeight($txt,$dir) ; } else { $width=$this->GetBBoxWidth($txt,$dir) ; $height=$this->GetBBoxHeight($txt,$dir) ; } $height += 2*$ymarg; $width += 2*$xmarg; if( $this->text_halign=="right" ) $x -= $width; elseif( $this->text_halign=="center" ) $x -= $width/2; if( $this->text_valign=="bottom" ) $y -= $height; elseif( $this->text_valign=="center" ) $y -= $height/2; $olda = $this->SetAngle(0); if( $shadowcolor ) { $this->PushColor($shadowcolor); $this->FilledRoundedRectangle($x-$xmarg+$dropwidth,$y-$ymarg+$dropwidth, $x+$width+$dropwidth,$y+$height-$ymarg+$dropwidth, $cornerradius); $this->PopColor(); $this->PushColor($fcolor); $this->FilledRoundedRectangle($x-$xmarg,$y-$ymarg, $x+$width,$y+$height-$ymarg, $cornerradius); $this->PopColor(); $this->PushColor($bcolor); $this->RoundedRectangle($x-$xmarg,$y-$ymarg, $x+$width,$y+$height-$ymarg,$cornerradius); $this->PopColor(); } else { if( $fcolor ) { $oc=$this->current_color; $this->SetColor($fcolor); $this->FilledRoundedRectangle($x-$xmarg,$y-$ymarg,$x+$width,$y+$height-$ymarg,$cornerradius); $this->current_color=$oc; } if( $bcolor ) { $oc=$this->current_color; $this->SetColor($bcolor); $this->RoundedRectangle($x-$xmarg,$y-$ymarg,$x+$width,$y+$height-$ymarg,$cornerradius); $this->current_color=$oc; } } $h=$this->text_halign; $v=$this->text_valign; $this->SetTextAlign("left","top"); $this->StrokeText($x, $y, $txt, $dir, $paragraph_align); $bb = array($x-$xmarg,$y+$height-$ymarg,$x+$width,$y+$height-$ymarg, $x+$width,$y-$ymarg,$x-$xmarg,$y-$ymarg); $this->SetTextAlign($h,$v); $this->SetAngle($olda); return $bb; } // Set text alignment function SetTextAlign($halign,$valign="bottom") { $this->text_halign=$halign; $this->text_valign=$valign; } function _StrokeBuiltinFont($x,$y,$txt,$dir=0,$paragraph_align="left",&$aBoundingBox,$aDebug=false) { if( is_numeric($dir) && $dir!=90 && $dir!=0) JpGraphError::RaiseL(25091);//(" Internal font does not support drawing text at arbitrary angle. Use TTF fonts instead."); $h=$this->GetTextHeight($txt); $fh=$this->GetFontHeight(); $w=$this->GetTextWidth($txt); if( $this->text_halign=="right") $x -= $dir==0 ? $w : $h; elseif( $this->text_halign=="center" ) { // For center we subtract 1 pixel since this makes the middle // be prefectly in the middle $x -= $dir==0 ? $w/2-1 : $h/2; } if( $this->text_valign=="top" ) $y += $dir==0 ? $h : $w; elseif( $this->text_valign=="center" ) $y += $dir==0 ? $h/2 : $w/2; if( $dir==90 ) { imagestringup($this->img,$this->font_family,$x,$y,$txt,$this->current_color); $aBoundingBox = array(round($x),round($y),round($x),round($y-$w),round($x+$h),round($y-$w),round($x+$h),round($y)); if( $aDebug ) { // Draw bounding box $this->PushColor('green'); $this->Polygon($aBoundingBox,true); $this->PopColor(); } } else { if( preg_match("/\n/",$txt) ) { $tmp = explode("\n",$txt); for($i=0; $i < count($tmp); ++$i) { $w1 = $this->GetTextWidth($tmp[$i]); if( $paragraph_align=="left" ) { imagestring($this->img,$this->font_family,$x,$y-$h+1+$i*$fh,$tmp[$i],$this->current_color); } elseif( $paragraph_align=="right" ) { imagestring($this->img,$this->font_family,$x+($w-$w1), $y-$h+1+$i*$fh,$tmp[$i],$this->current_color); } else { imagestring($this->img,$this->font_family,$x+$w/2-$w1/2, $y-$h+1+$i*$fh,$tmp[$i],$this->current_color); } } } else { //Put the text imagestring($this->img,$this->font_family,$x,$y-$h+1,$txt,$this->current_color); } if( $aDebug ) { // Draw the bounding rectangle and the bounding box $p1 = array(round($x),round($y),round($x),round($y-$h),round($x+$w),round($y-$h),round($x+$w),round($y)); // Draw bounding box $this->PushColor('green'); $this->Polygon($p1,true); $this->PopColor(); } $aBoundingBox=array(round($x),round($y),round($x),round($y-$h),round($x+$w),round($y-$h),round($x+$w),round($y)); } } function AddTxtCR($aTxt) { // If the user has just specified a '\n' // instead of '\n\t' we have to add '\r' since // the width will be too muchy otherwise since when // we print we stroke the individually lines by hand. $e = explode("\n",$aTxt); $n = count($e); for($i=0; $i<$n; ++$i) { $e[$i]=str_replace("\r","",$e[$i]); } return implode("\n\r",$e); } function GetTTFBBox($aTxt,$aAngle=0) { $bbox = @ImageTTFBBox($this->font_size,$aAngle,$this->font_file,$aTxt); if( $bbox === false ) { JpGraphError::RaiseL(25092,$this->font_file); //("There is either a configuration problem with TrueType or a problem reading font file (".$this->font_file."). Make sure file exists and is in a readable place for the HTTP process. (If 'basedir' restriction is enabled in PHP then the font file must be located in the document root.). It might also be a wrongly installed FreeType library. Try uppgrading to at least FreeType 2.1.13 and recompile GD with the correct setup so it can find the new FT library."); } return $bbox; } function GetBBoxTTF($aTxt,$aAngle=0) { // Normalize the bounding box to become a minimum // enscribing rectangle $aTxt = $this->AddTxtCR($aTxt); if( !is_readable($this->font_file) ) { JpGraphError::RaiseL(25093,$this->font_file); //('Can not read font file ('.$this->font_file.') in call to Image::GetBBoxTTF. Please make sure that you have set a font before calling this method and that the font is installed in the TTF directory.'); } $bbox = $this->GetTTFBBox($aTxt,$aAngle); if( $aAngle==0 ) return $bbox; if( $aAngle >= 0 ) { if( $aAngle <= 90 ) { //<=0 $bbox = array($bbox[6],$bbox[1],$bbox[2],$bbox[1], $bbox[2],$bbox[5],$bbox[6],$bbox[5]); } elseif( $aAngle <= 180 ) { //<= 2 $bbox = array($bbox[4],$bbox[7],$bbox[0],$bbox[7], $bbox[0],$bbox[3],$bbox[4],$bbox[3]); } elseif( $aAngle <= 270 ) { //<= 3 $bbox = array($bbox[2],$bbox[5],$bbox[6],$bbox[5], $bbox[6],$bbox[1],$bbox[2],$bbox[1]); } else { $bbox = array($bbox[0],$bbox[3],$bbox[4],$bbox[3], $bbox[4],$bbox[7],$bbox[0],$bbox[7]); } } elseif( $aAngle < 0 ) { if( $aAngle <= -270 ) { // <= -3 $bbox = array($bbox[6],$bbox[1],$bbox[2],$bbox[1], $bbox[2],$bbox[5],$bbox[6],$bbox[5]); } elseif( $aAngle <= -180 ) { // <= -2 $bbox = array($bbox[0],$bbox[3],$bbox[4],$bbox[3], $bbox[4],$bbox[7],$bbox[0],$bbox[7]); } elseif( $aAngle <= -90 ) { // <= -1 $bbox = array($bbox[2],$bbox[5],$bbox[6],$bbox[5], $bbox[6],$bbox[1],$bbox[2],$bbox[1]); } else { $bbox = array($bbox[0],$bbox[3],$bbox[4],$bbox[3], $bbox[4],$bbox[7],$bbox[0],$bbox[7]); } } return $bbox; } function GetBBoxHeight($aTxt,$aAngle=0) { $box = $this->GetBBoxTTF($aTxt,$aAngle); return $box[1]-$box[7]+1; } function GetBBoxWidth($aTxt,$aAngle=0) { $box = $this->GetBBoxTTF($aTxt,$aAngle); return $box[2]-$box[0]+1; } function _StrokeTTF($x,$y,$txt,$dir=0,$paragraph_align="left",&$aBoundingBox,$debug=false) { // Setupo default inter line margin for paragraphs to // 25% of the font height. $ConstLineSpacing = 0.25 ; // Remember the anchor point before adjustment if( $debug ) { $ox=$x; $oy=$y; } if( !preg_match("/\n/",$txt) || ($dir>0 && preg_match("/\n/",$txt)) ) { // Format a single line $txt = $this->AddTxtCR($txt); $bbox=$this->GetBBoxTTF($txt,$dir); // Align x,y ot lower left corner of bbox $x -= $bbox[0]; $y -= $bbox[1]; // Note to self: "topanchor" is deprecated after we changed the // bopunding box stuff. if( $this->text_halign=="right" || $this->text_halign=="topanchor" ) $x -= $bbox[2]-$bbox[0]; elseif( $this->text_halign=="center" ) $x -= ($bbox[2]-$bbox[0])/2; if( $this->text_valign=="top" ) $y += abs($bbox[5])+$bbox[1]; elseif( $this->text_valign=="center" ) $y -= ($bbox[5]-$bbox[1])/2; ImageTTFText ($this->img, $this->font_size, $dir, $x, $y, $this->current_color,$this->font_file,$txt); // Calculate and return the co-ordinates for the bounding box $box=@ImageTTFBBox($this->font_size,$dir,$this->font_file,$txt); $p1 = array(); for($i=0; $i < 4; ++$i) { $p1[] = round($box[$i*2]+$x); $p1[] = round($box[$i*2+1]+$y); } $aBoundingBox = $p1; // Debugging code to highlight the bonding box and bounding rectangle // For text at 0 degrees the bounding box and bounding rectangle are the // same if( $debug ) { // Draw the bounding rectangle and the bounding box $box=@ImageTTFBBox($this->font_size,$dir,$this->font_file,$txt); $p = array(); $p1 = array(); for($i=0; $i < 4; ++$i) { $p[] = $bbox[$i*2]+$x; $p[] = $bbox[$i*2+1]+$y; $p1[] = $box[$i*2]+$x; $p1[] = $box[$i*2+1]+$y; } // Draw bounding box $this->PushColor('green'); $this->Polygon($p1,true); $this->PopColor(); // Draw bounding rectangle $this->PushColor('darkgreen'); $this->Polygon($p,true); $this->PopColor(); // Draw a cross at the anchor point $this->PushColor('red'); $this->Line($ox-15,$oy,$ox+15,$oy); $this->Line($ox,$oy-15,$ox,$oy+15); $this->PopColor(); } } else { // Format a text paragraph $fh=$this->GetFontHeight(); // Line margin is 25% of font height $linemargin=round($fh*$ConstLineSpacing); $fh += $linemargin; $w=$this->GetTextWidth($txt); $y -= $linemargin/2; $tmp = explode("\n",$txt); $nl = count($tmp); $h = $nl * $fh; if( $this->text_halign=="right") $x -= $dir==0 ? $w : $h; elseif( $this->text_halign=="center" ) { $x -= $dir==0 ? $w/2 : $h/2; } if( $this->text_valign=="top" ) $y += $dir==0 ? $h : $w; elseif( $this->text_valign=="center" ) $y += $dir==0 ? $h/2 : $w/2; // Here comes a tricky bit. // Since we have to give the position for the string at the // baseline this means thaht text will move slightly up // and down depending on any of it's character descend below // the baseline, for example a 'g'. To adjust the Y-position // we therefore adjust the text with the baseline Y-offset // as used for the current font and size. This will keep the // baseline at a fixed positoned disregarding the actual // characters in the string. $standardbox = $this->GetTTFBBox('Gg',$dir); $yadj = $standardbox[1]; $xadj = $standardbox[0]; $aBoundingBox = array(); for($i=0; $i < $nl; ++$i) { $wl = $this->GetTextWidth($tmp[$i]); $bbox = $this->GetTTFBBox($tmp[$i],$dir); if( $paragraph_align=="left" ) { $xl = $x; } elseif( $paragraph_align=="right" ) { $xl = $x + ($w-$wl); } else { // Center $xl = $x + $w/2 - $wl/2 ; } $xl -= $bbox[0]; $yl = $y - $yadj; $xl = $xl - $xadj; ImageTTFText ($this->img, $this->font_size, $dir, $xl, $yl-($h-$fh)+$fh*$i, $this->current_color,$this->font_file,$tmp[$i]); if( $debug ) { // Draw the bounding rectangle around each line $box=@ImageTTFBBox($this->font_size,$dir,$this->font_file,$tmp[$i]); $p = array(); for($j=0; $j < 4; ++$j) { $p[] = $bbox[$j*2]+$xl; $p[] = $bbox[$j*2+1]+$yl-($h-$fh)+$fh*$i; } // Draw bounding rectangle $this->PushColor('darkgreen'); $this->Polygon($p,true); $this->PopColor(); } } // Get the bounding box $bbox = $this->GetBBoxTTF($txt,$dir); for($j=0; $j < 4; ++$j) { $bbox[$j*2]+= round($x); $bbox[$j*2+1]+= round($y - ($h-$fh) - $yadj); } $aBoundingBox = $bbox; if( $debug ) { // Draw a cross at the anchor point $this->PushColor('red'); $this->Line($ox-25,$oy,$ox+25,$oy); $this->Line($ox,$oy-25,$ox,$oy+25); $this->PopColor(); } } } function StrokeText($x,$y,$txt,$dir=0,$paragraph_align="left",$debug=false) { $x = round($x); $y = round($y); // Do special language encoding $txt = $this->langconv->Convert($txt,$this->font_family); if( !is_numeric($dir) ) JpGraphError::RaiseL(25094);//(" Direction for text most be given as an angle between 0 and 90."); if( $this->font_family >= FF_FONT0 && $this->font_family <= FF_FONT2+1) { $this->_StrokeBuiltinFont($x,$y,$txt,$dir,$paragraph_align,$boundingbox,$debug); } elseif($this->font_family >= _FF_FIRST && $this->font_family <= _FF_LAST) { $this->_StrokeTTF($x,$y,$txt,$dir,$paragraph_align,$boundingbox,$debug); } else JpGraphError::RaiseL(25095);//(" Unknown font font family specification. "); return $boundingbox; } function SetMargin($lm,$rm,$tm,$bm) { $this->left_margin=$lm; $this->right_margin=$rm; $this->top_margin=$tm; $this->bottom_margin=$bm; $this->plotwidth=$this->width - $this->left_margin-$this->right_margin ; $this->plotheight=$this->height - $this->top_margin-$this->bottom_margin ; if( $this->width > 0 && $this->height > 0 ) { if( $this->plotwidth < 0 || $this->plotheight < 0 ) JpGraphError::raise("Too small plot area. ($lm,$rm,$tm,$bm : $this->plotwidth x $this->plotheight). With the given image size and margins there is to little space left for the plot. Increase the plot size or reduce the margins."); } } function SetTransparent($color) { imagecolortransparent ($this->img,$this->rgb->allocate($color)); } function SetColor($color,$aAlpha=0) { $this->current_color_name = $color; $this->current_color=$this->rgb->allocate($color,$aAlpha); if( $this->current_color == -1 ) { JpGraphError::RaiseL(25096); //("Can't allocate any more colors."); } return $this->current_color; } function PushColor($color) { if( $color != "" ) { $this->colorstack[$this->colorstackidx]=$this->current_color_name; $this->colorstack[$this->colorstackidx+1]=$this->current_color; $this->colorstackidx+=2; $this->SetColor($color); } else { JpGraphError::RaiseL(25097);//("Color specified as empty string in PushColor()."); } } function PopColor() { if($this->colorstackidx<1) JpGraphError::RaiseL(25098);//(" Negative Color stack index. Unmatched call to PopColor()"); $this->current_color=$this->colorstack[--$this->colorstackidx]; $this->current_color_name=$this->colorstack[--$this->colorstackidx]; } function SetLineWeight($weight) { $this->line_weight = $weight; } function SetStartPoint($x,$y) { $this->lastx=round($x); $this->lasty=round($y); } function Arc($cx,$cy,$w,$h,$s,$e) { // GD Arc doesn't like negative angles while( $s < 0) $s += 360; while( $e < 0) $e += 360; imagearc($this->img,round($cx),round($cy),round($w),round($h), $s,$e,$this->current_color); } function FilledArc($xc,$yc,$w,$h,$s,$e,$style="") { while( $s < 0 ) $s += 360; while( $e < 0 ) $e += 360; if( $style=="" ) $style=IMG_ARC_PIE; // Workaround for bug in 4.4.7 which will not draw a correct 360 // degree slice with any other angles than 0,360 if( 360-abs($s-$e) < 0.01 ) { $s = 0; $e = 360; } if( abs($s-$e) > 0.001 ) { imagefilledarc($this->img,round($xc),round($yc),round($w),round($h), round($s),round($e),$this->current_color,$style); } } function FilledCakeSlice($cx,$cy,$w,$h,$s,$e) { $this->CakeSlice($cx,$cy,$w,$h,$s,$e,$this->current_color_name); } function CakeSlice($xc,$yc,$w,$h,$s,$e,$fillcolor="",$arccolor="") { $s = round($s); $e = round($e); $w = round($w); $h = round($h); $xc = round($xc); $yc = round($yc); if( $s==$e ) { // A full circle. We draw this a plain circle $this->PushColor($fillcolor); imagefilledellipse($this->img,$xc,$yc,2*$w,2*$h,$this->current_color); $this->PopColor(); $this->PushColor($arccolor); imageellipse($this->img,$xc,$yc,2*$w,2*$h,$this->current_color); $this->Line($xc,$yc,cos($s*M_PI/180)*$w+$xc,$yc+sin($s*M_PI/180)*$h); $this->PopColor(); } else { $this->PushColor($fillcolor); $this->FilledArc($xc,$yc,2*$w,2*$h,$s,$e); $this->PopColor(); if( $arccolor != "" ) { $this->PushColor($arccolor); // We add 2 pixels to make the Arc() better aligned with the filled arc. imagefilledarc($this->img,$xc,$yc,2*$w,2*$h,$s,$e,$this->current_color,IMG_ARC_NOFILL | IMG_ARC_EDGED ) ; // Workaround for bug in 4.4.7 which will not draw a correct 360 // degree slice with any other angles than 0,360. Unfortunately we cannot just // adjust the angles since the interior ar edge is drawn correct but not the surrounding // circle. This workaround can only be used with perfect circle shaped arcs if( PHP_VERSION==='4.4.7' && (360-abs($s-$e) < 0.01 && $w==$h) ) { $this->Circle($xc,$yc,$w); } $this->PopColor(); } } } function Ellipse($xc,$yc,$w,$h) { $this->Arc($xc,$yc,$w,$h,0,360); } // Breseham circle gives visually better result then using GD // built in arc(). It takes some more time but gives better // accuracy. function BresenhamCircle($xc,$yc,$r) { $d = 3-2*$r; $x = 0; $y = $r; while($x<=$y) { $this->Point($xc+$x,$yc+$y); $this->Point($xc+$x,$yc-$y); $this->Point($xc-$x,$yc+$y); $this->Point($xc-$x,$yc-$y); $this->Point($xc+$y,$yc+$x); $this->Point($xc+$y,$yc-$x); $this->Point($xc-$y,$yc+$x); $this->Point($xc-$y,$yc-$x); if( $d<0 ) $d += 4*$x+6; else { $d += 4*($x-$y)+10; --$y; } ++$x; } } function Circle($xc,$yc,$r) { if( USE_BRESENHAM ) $this->BresenhamCircle($xc,$yc,$r); else { /* // Some experimental code snippet to see if we can get a decent // result doing a trig-circle // Create an approximated circle with 0.05 rad resolution $end = 2*M_PI; $l = $r/10; if( $l < 3 ) $l=3; $step_size = 2*M_PI/(2*$r*M_PI/$l); $pts = array(); $pts[] = $r + $xc; $pts[] = $yc; for( $a=$step_size; $a <= $end; $a += $step_size ) { $pts[] = round($xc + $r*cos($a)); $pts[] = round($yc - $r*sin($a)); } imagepolygon($this->img,$pts,count($pts)/2,$this->current_color); */ $this->Arc($xc,$yc,$r*2,$r*2,0,360); // For some reason imageellipse() isn't in GD 2.0.1, PHP 4.1.1 //imageellipse($this->img,$xc,$yc,$r,$r,$this->current_color); } } function FilledCircle($xc,$yc,$r) { imagefilledellipse($this->img,round($xc),round($yc),2*$r,2*$r,$this->current_color); } // Linear Color InterPolation function lip($f,$t,$p) { $p = round($p,1); $r = $f[0] + ($t[0]-$f[0])*$p; $g = $f[1] + ($t[1]-$f[1])*$p; $b = $f[2] + ($t[2]-$f[2])*$p; return array($r,$g,$b); } // Anti-aliased line. // Note that this is roughly 8 times slower then a normal line! function WuLine($x1,$y1,$x2,$y2) { // Get foreground line color $lc = imagecolorsforindex($this->img,$this->current_color); $lc = array($lc["red"],$lc["green"],$lc["blue"]); $dx = $x2-$x1; $dy = $y2-$y1; if( abs($dx) > abs($dy) ) { if( $dx<0 ) { $dx = -$dx;$dy = -$dy; $tmp=$x2;$x2=$x1;$x1=$tmp; $tmp=$y2;$y2=$y1;$y1=$tmp; } $x=$x1<<16; $y=$y1<<16; $yinc = ($dy*65535)/$dx; $first=true; while( ($x >> 16) < $x2 ) { $bc = @imagecolorsforindex($this->img,imagecolorat($this->img,$x>>16,$y>>16)); if( $bc <= 0 ) { JpGraphError::RaiseL(25100);//('Problem with color palette and your GD setup. Please disable anti-aliasing or use GD2 with true-color. If you have GD2 library installed please make sure that you have set the USE_GD2 constant to true and that truecolor is enabled.'); } $bc=array($bc["red"],$bc["green"],$bc["blue"]); $this->SetColor($this->lip($lc,$bc,($y & 0xFFFF)/65535)); imagesetpixel($this->img,$x>>16,$y>>16,$this->current_color); $this->SetColor($this->lip($lc,$bc,(~$y & 0xFFFF)/65535)); if( !$first ) imagesetpixel($this->img,$x>>16,($y>>16)+1,$this->current_color); $x += 65536; $y += $yinc; $first=false; } } else { if( $dy<0 ) { $dx = -$dx;$dy = -$dy; $tmp=$x2;$x2=$x1;$x1=$tmp; $tmp=$y2;$y2=$y1;$y1=$tmp; } $x=$x1<<16; $y=$y1<<16; $xinc = ($dx*65535)/$dy; $first = true; while( ($y >> 16) < $y2 ) { $bc = @imagecolorsforindex($this->img,imagecolorat($this->img,$x>>16,$y>>16)); if( $bc <= 0 ) { JpGraphError::RaiseL(25100);//('Problem with color palette and your GD setup. Please disable anti-aliasing or use GD2 with true-color. If you have GD2 library installed please make sure that you have set the USE_GD2 constant to true and truecolor is enabled.'); } $bc=array($bc["red"],$bc["green"],$bc["blue"]); $this->SetColor($this->lip($lc,$bc,($x & 0xFFFF)/65535)); imagesetpixel($this->img,$x>>16,$y>>16,$this->current_color); $this->SetColor($this->lip($lc,$bc,(~$x & 0xFFFF)/65535)); if( !$first ) imagesetpixel($this->img,($x>>16)+1,$y>>16,$this->current_color); $y += 65536; $x += $xinc; $first = false; } } $this->SetColor($lc); //imagesetpixel($this->img,$x2,$y2,$this->current_color); //imagesetpixel($this->img,$x1,$y1,$this->current_color); } // Set line style dashed, dotted etc function SetLineStyle($s) { if( is_numeric($s) ) { if( $s<1 || $s>4 ) JpGraphError::RaiseL(25101,$s);//(" Illegal numeric argument to SetLineStyle(): ($s)"); } elseif( is_string($s) ) { if( $s == "solid" ) $s=1; elseif( $s == "dotted" ) $s=2; elseif( $s == "dashed" ) $s=3; elseif( $s == "longdashed" ) $s=4; else JpGraphError::RaiseL(25102,$s);//(" Illegal string argument to SetLineStyle(): $s"); } else JpGraphError::RaiseL(25103,$s);//(" Illegal argument to SetLineStyle $s"); $this->line_style=$s; } // Same as Line but take the line_style into account function StyleLine($x1,$y1,$x2,$y2) { switch( $this->line_style ) { case 1:// Solid $this->Line($x1,$y1,$x2,$y2); break; case 2: // Dotted $this->DashedLine($x1,$y1,$x2,$y2,1,6); break; case 3: // Dashed $this->DashedLine($x1,$y1,$x2,$y2,2,4); break; case 4: // Longdashes $this->DashedLine($x1,$y1,$x2,$y2,8,6); break; default: JpGraphError::RaiseL(25104,$this->line_style);//(" Unknown line style: $this->line_style "); break; } } function Line($x1,$y1,$x2,$y2) { $x1 = round($x1); $x2 = round($x2); $y1 = round($y1); $y2 = round($y2); if( $this->line_weight==0 ) return; if( $this->use_anti_aliasing ) { $dx = $x2-$x1; $dy = $y2-$y1; // Vertical, Horizontal or 45 lines don't need anti-aliasing if( $dx!=0 && $dy!=0 && $dx!=$dy ) { $this->WuLine($x1,$y1,$x2,$y2); return; } } if( $this->line_weight==1 ) { imageline($this->img,$x1,$y1,$x2,$y2,$this->current_color); } elseif( $x1==$x2 ) { // Special case for vertical lines imageline($this->img,$x1,$y1,$x2,$y2,$this->current_color); $w1=floor($this->line_weight/2); $w2=floor(($this->line_weight-1)/2); for($i=1; $i<=$w1; ++$i) imageline($this->img,$x1+$i,$y1,$x2+$i,$y2,$this->current_color); for($i=1; $i<=$w2; ++$i) imageline($this->img,$x1-$i,$y1,$x2-$i,$y2,$this->current_color); } elseif( $y1==$y2 ) { // Special case for horizontal lines imageline($this->img,$x1,$y1,$x2,$y2,$this->current_color); $w1=floor($this->line_weight/2); $w2=floor(($this->line_weight-1)/2); for($i=1; $i<=$w1; ++$i) imageline($this->img,$x1,$y1+$i,$x2,$y2+$i,$this->current_color); for($i=1; $i<=$w2; ++$i) imageline($this->img,$x1,$y1-$i,$x2,$y2-$i,$this->current_color); } else { // General case with a line at an angle $a = atan2($y1-$y2,$x2-$x1); // Now establish some offsets from the center. This gets a little // bit involved since we are dealing with integer functions and we // want the apperance to be as smooth as possible and never be thicker // then the specified width. // We do the trig stuff to make sure that the endpoints of the line // are perpendicular to the line itself. $dx=(sin($a)*$this->line_weight/2); $dy=(cos($a)*$this->line_weight/2); $pnts = array(round($x2+$dx),round($y2+$dy),round($x2-$dx),round($y2-$dy), round($x1-$dx),round($y1-$dy),round($x1+$dx),round($y1+$dy)); imagefilledpolygon($this->img,$pnts,count($pnts)/2,$this->current_color); } $this->lastx=$x2; $this->lasty=$y2; } function Polygon($p,$closed=FALSE,$fast=FALSE) { if( $this->line_weight==0 ) return; $n=count($p); $oldx = $p[0]; $oldy = $p[1]; if( $fast ) { for( $i=2; $i < $n; $i+=2 ) { imageline($this->img,$oldx,$oldy,$p[$i],$p[$i+1],$this->current_color); $oldx = $p[$i]; $oldy = $p[$i+1]; } if( $closed ) { imageline($this->img,$p[$n*2-2],$p[$n*2-1],$p[0],$p[1],$this->current_color); } } else { for( $i=2; $i < $n; $i+=2 ) { $this->StyleLine($oldx,$oldy,$p[$i],$p[$i+1]); $oldx = $p[$i]; $oldy = $p[$i+1]; } if( $closed ) $this->Line($oldx,$oldy,$p[0],$p[1]); } } function FilledPolygon($pts) { $n=count($pts); if( $n == 0 ) { JpGraphError::RaiseL(25105);//('NULL data specified for a filled polygon. Check that your data is not NULL.'); } for($i=0; $i < $n; ++$i) $pts[$i] = round($pts[$i]); imagefilledpolygon($this->img,$pts,count($pts)/2,$this->current_color); } function Rectangle($xl,$yu,$xr,$yl) { $this->Polygon(array($xl,$yu,$xr,$yu,$xr,$yl,$xl,$yl,$xl,$yu)); } function FilledRectangle($xl,$yu,$xr,$yl) { $this->FilledPolygon(array($xl,$yu,$xr,$yu,$xr,$yl,$xl,$yl)); } function FilledRectangle2($xl,$yu,$xr,$yl,$color1,$color2,$style=1) { // Fill a rectangle with lines of two colors if( $style===1 ) { // Horizontal stripe if( $yl < $yu ) { $t = $yl; $yl=$yu; $yu=$t; } for( $y=$yu; $y <= $yl; ++$y) { $this->SetColor($color1); $this->Line($xl,$y,$xr,$y); ++$y; $this->SetColor($color2); $this->Line($xl,$y,$xr,$y); } } else { if( $xl < $xl ) { $t = $xl; $xl=$xr; $xr=$t; } for( $x=$xl; $x <= $xr; ++$x) { $this->SetColor($color1); $this->Line($x,$yu,$x,$yl); ++$x; $this->SetColor($color2); $this->Line($x,$yu,$x,$yl); } } } function ShadowRectangle($xl,$yu,$xr,$yl,$fcolor=false,$shadow_width=3,$shadow_color=array(102,102,102)) { // This is complicated by the fact that we must also handle the case where // the reactangle has no fill color $this->PushColor($shadow_color); $this->FilledRectangle($xr-$shadow_width,$yu+$shadow_width,$xr,$yl-$shadow_width-1); $this->FilledRectangle($xl+$shadow_width,$yl-$shadow_width,$xr,$yl); //$this->FilledRectangle($xl+$shadow_width,$yu+$shadow_width,$xr,$yl); $this->PopColor(); if( $fcolor==false ) $this->Rectangle($xl,$yu,$xr-$shadow_width-1,$yl-$shadow_width-1); else { $this->PushColor($fcolor); $this->FilledRectangle($xl,$yu,$xr-$shadow_width-1,$yl-$shadow_width-1); $this->PopColor(); $this->Rectangle($xl,$yu,$xr-$shadow_width-1,$yl-$shadow_width-1); } } function FilledRoundedRectangle($xt,$yt,$xr,$yl,$r=5) { if( $r==0 ) { $this->FilledRectangle($xt,$yt,$xr,$yl); return; } // To avoid overlapping fillings (which will look strange // when alphablending is enabled) we have no choice but // to fill the five distinct areas one by one. // Center square $this->FilledRectangle($xt+$r,$yt+$r,$xr-$r,$yl-$r); // Top band $this->FilledRectangle($xt+$r,$yt,$xr-$r,$yt+$r-1); // Bottom band $this->FilledRectangle($xt+$r,$yl-$r+1,$xr-$r,$yl); // Left band $this->FilledRectangle($xt,$yt+$r+1,$xt+$r-1,$yl-$r); // Right band $this->FilledRectangle($xr-$r+1,$yt+$r,$xr,$yl-$r); // Topleft & Topright arc $this->FilledArc($xt+$r,$yt+$r,$r*2,$r*2,180,270); $this->FilledArc($xr-$r,$yt+$r,$r*2,$r*2,270,360); // Bottomleft & Bottom right arc $this->FilledArc($xt+$r,$yl-$r,$r*2,$r*2,90,180); $this->FilledArc($xr-$r,$yl-$r,$r*2,$r*2,0,90); } function RoundedRectangle($xt,$yt,$xr,$yl,$r=5) { if( $r==0 ) { $this->Rectangle($xt,$yt,$xr,$yl); return; } // Top & Bottom line $this->Line($xt+$r,$yt,$xr-$r,$yt); $this->Line($xt+$r,$yl,$xr-$r,$yl); // Left & Right line $this->Line($xt,$yt+$r,$xt,$yl-$r); $this->Line($xr,$yt+$r,$xr,$yl-$r); // Topleft & Topright arc $this->Arc($xt+$r,$yt+$r,$r*2,$r*2,180,270); $this->Arc($xr-$r,$yt+$r,$r*2,$r*2,270,360); // Bottomleft & Bottomright arc $this->Arc($xt+$r,$yl-$r,$r*2,$r*2,90,180); $this->Arc($xr-$r,$yl-$r,$r*2,$r*2,0,90); } function FilledBevel($x1,$y1,$x2,$y2,$depth=2,$color1='white@0.4',$color2='darkgray@0.4') { $this->FilledRectangle($x1,$y1,$x2,$y2); $this->Bevel($x1,$y1,$x2,$y2,$depth,$color1,$color2); } function Bevel($x1,$y1,$x2,$y2,$depth=2,$color1='white@0.4',$color2='black@0.5') { $this->PushColor($color1); for( $i=0; $i < $depth; ++$i ) { $this->Line($x1+$i,$y1+$i,$x1+$i,$y2-$i); $this->Line($x1+$i,$y1+$i,$x2-$i,$y1+$i); } $this->PopColor(); $this->PushColor($color2); for( $i=0; $i < $depth; ++$i ) { $this->Line($x1+$i,$y2-$i,$x2-$i,$y2-$i); $this->Line($x2-$i,$y1+$i,$x2-$i,$y2-$i-1); } $this->PopColor(); } function StyleLineTo($x,$y) { $this->StyleLine($this->lastx,$this->lasty,$x,$y); $this->lastx=$x; $this->lasty=$y; } function LineTo($x,$y) { $this->Line($this->lastx,$this->lasty,$x,$y); $this->lastx=$x; $this->lasty=$y; } function Point($x,$y) { imagesetpixel($this->img,round($x),round($y),$this->current_color); } function Fill($x,$y) { imagefill($this->img,round($x),round($y),$this->current_color); } function FillToBorder($x,$y,$aBordColor) { $bc = $this->rgb->allocate($aBordColor); if( $bc == -1 ) { JpGraphError::RaiseL(25106);//('Image::FillToBorder : Can not allocate more colors'); } imagefilltoborder($this->img,round($x),round($y),$bc,$this->current_color); } function DashedLine($x1,$y1,$x2,$y2,$dash_length=1,$dash_space=4) { $x1 = round($x1); $x2 = round($x2); $y1 = round($y1); $y2 = round($y2); // Code based on, but not identical to, work by Ariel Garza and James Pine $line_length = ceil (sqrt(pow(($x2 - $x1),2) + pow(($y2 - $y1),2)) ); $dx = ($line_length) ? ($x2 - $x1) / $line_length : 0; $dy = ($line_length) ? ($y2 - $y1) / $line_length : 0; $lastx = $x1; $lasty = $y1; $xmax = max($x1,$x2); $xmin = min($x1,$x2); $ymax = max($y1,$y2); $ymin = min($y1,$y2); for ($i = 0; $i < $line_length; $i += ($dash_length + $dash_space)) { $x = ($dash_length * $dx) + $lastx; $y = ($dash_length * $dy) + $lasty; // The last section might overshoot so we must take a computational hit // and check this. if( $x>$xmax ) $x=$xmax; if( $y>$ymax ) $y=$ymax; if( $x<$xmin ) $x=$xmin; if( $y<$ymin ) $y=$ymin; $this->Line($lastx,$lasty,$x,$y); $lastx = $x + ($dash_space * $dx); $lasty = $y + ($dash_space * $dy); } } function SetExpired($aFlg=true) { $this->expired = $aFlg; } // Generate image header function Headers() { // In case we are running from the command line with the client version of // PHP we can't send any headers. $sapi = php_sapi_name(); if( $sapi == 'cli' ) return; // These parameters are set by headers_sent() but they might cause // an undefined variable error unless they are initilized $file=''; $lineno=''; if( headers_sent($file,$lineno) ) { $file=basename($file); $t = new ErrMsgText(); $msg = $t->Get(10,$file,$lineno); die($msg); } if ($this->expired) { header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); header("Last-Modified: " . gmdate("D, d M Y H:i:s") . "GMT"); header("Cache-Control: no-cache, must-revalidate"); header("Pragma: no-cache"); } header("Content-type: image/$this->img_format"); } // Adjust image quality for formats that allow this function SetQuality($q) { $this->quality = $q; } // Stream image to browser or to file function Stream($aFile="") { $func="image".$this->img_format; if( $this->img_format=="jpeg" && $this->quality != null ) { $res = @$func($this->img,$aFile,$this->quality); } else { if( $aFile != "" ) { $res = @$func($this->img,$aFile); if( !$res ) JpGraphError::RaiseL(25107,$aFile);//("Can't write to file '$aFile'. Check that the process running PHP has enough permission."); } else { $res = @$func($this->img); if( !$res ) JpGraphError::RaiseL(25108);//("Can't stream image. This is most likely due to a faulty PHP/GD setup. Try to recompile PHP and use the built-in GD library that comes with PHP."); } } } // Clear resource tide up by image function Destroy() { imagedestroy($this->img); } // Specify image format. Note depending on your installation // of PHP not all formats may be supported. function SetImgFormat($aFormat,$aQuality=75) { $this->quality = $aQuality; $aFormat = strtolower($aFormat); $tst = true; $supported = imagetypes(); if( $aFormat=="auto" ) { if( $supported & IMG_PNG ) $this->img_format="png"; elseif( $supported & IMG_JPG ) $this->img_format="jpeg"; elseif( $supported & IMG_GIF ) $this->img_format="gif"; elseif( $supported & IMG_WBMP ) $this->img_format="wbmp"; elseif( $supported & IMG_XPM ) $this->img_format="xpm"; else JpGraphError::RaiseL(25109);//("Your PHP (and GD-lib) installation does not appear to support any known graphic formats. You need to first make sure GD is compiled as a module to PHP. If you also want to use JPEG images you must get the JPEG library. Please see the PHP docs for details."); return true; } else { if( $aFormat=="jpeg" || $aFormat=="png" || $aFormat=="gif" || $aFormat=="wbmp" || $aFormat=="xpm") { if( $aFormat=="jpeg" && !($supported & IMG_JPG) ) $tst=false; elseif( $aFormat=="png" && !($supported & IMG_PNG) ) $tst=false; elseif( $aFormat=="gif" && !($supported & IMG_GIF) ) $tst=false; elseif( $aFormat=="wbmp" && !($supported & IMG_WBMP) ) $tst=false; elseif( $aFormat=="xpm" && !($supported & IMG_XPM) ) $tst=false; else { $this->img_format=$aFormat; return true; } } else $tst=false; if( !$tst ) JpGraphError::RaiseL(25110,$aFormat);//(" Your PHP installation does not support the chosen graphic format: $aFormat"); } } } // CLASS //=================================================== // CLASS RotImage // Description: Exactly as Image but draws the image at // a specified angle around a specified rotation point. //=================================================== class RotImage extends Image { var $m=array(); var $a=0; var $dx=0,$dy=0,$transx=0,$transy=0; function RotImage($aWidth,$aHeight,$a=0,$aFormat=DEFAULT_GFORMAT,$aSetAutoMargin=true) { $this->Image($aWidth,$aHeight,$aFormat,$aSetAutoMargin); $this->dx=$this->left_margin+$this->plotwidth/2; $this->dy=$this->top_margin+$this->plotheight/2; $this->SetAngle($a); } function SetCenter($dx,$dy) { $old_dx = $this->dx; $old_dy = $this->dy; $this->dx=$dx; $this->dy=$dy; $this->SetAngle($this->a); return array($old_dx,$old_dy); } function SetTranslation($dx,$dy) { $old = array($this->transx,$this->transy); $this->transx = $dx; $this->transy = $dy; return $old; } function UpdateRotMatrice() { $a = $this->a; $a *= M_PI/180; $sa=sin($a); $ca=cos($a); // Create the rotation matrix $this->m[0][0] = $ca; $this->m[0][1] = -$sa; $this->m[0][2] = $this->dx*(1-$ca) + $sa*$this->dy ; $this->m[1][0] = $sa; $this->m[1][1] = $ca; $this->m[1][2] = $this->dy*(1-$ca) - $sa*$this->dx ; } function SetAngle($a) { $tmp = $this->a; $this->a = $a; $this->UpdateRotMatrice(); return $tmp; } function Circle($xc,$yc,$r) { // Circle get's rotated through the Arc() call // made in the parent class parent::Circle($xc,$yc,$r); } function FilledCircle($xc,$yc,$r) { list($xc,$yc) = $this->Rotate($xc,$yc); parent::FilledCircle($xc,$yc,$r); } function Arc($xc,$yc,$w,$h,$s,$e) { list($xc,$yc) = $this->Rotate($xc,$yc); $s += $this->a; $e += $this->a; parent::Arc($xc,$yc,$w,$h,$s,$e); } function FilledArc($xc,$yc,$w,$h,$s,$e,$style="") { list($xc,$yc) = $this->Rotate($xc,$yc); $s += $this->a; $e += $this->a; parent::FilledArc($xc,$yc,$w,$h,$s,$e,$style); } function SetMargin($lm,$rm,$tm,$bm) { parent::SetMargin($lm,$rm,$tm,$bm); $this->dx=$this->left_margin+$this->plotwidth/2; $this->dy=$this->top_margin+$this->plotheight/2; $this->UpdateRotMatrice(); } function Rotate($x,$y) { // Optimization. Ignore rotation if Angle==0 || ANgle==360 if( $this->a == 0 || $this->a == 360 ) { return array($x + $this->transx, $y + $this->transy ); } else { $x1=round($this->m[0][0]*$x + $this->m[0][1]*$y,1) + $this->m[0][2] + $this->transx; $y1=round($this->m[1][0]*$x + $this->m[1][1]*$y,1) + $this->m[1][2] + $this->transy; return array($x1,$y1); } } function CopyMerge($fromImg,$toX,$toY,$fromX,$fromY,$toWidth,$toHeight,$fromWidth=-1,$fromHeight=-1,$aMix=100) { list($toX,$toY) = $this->Rotate($toX,$toY); parent::CopyMerge($fromImg,$toX,$toY,$fromX,$fromY,$toWidth,$toHeight,$fromWidth,$fromHeight,$aMix); } function ArrRotate($pnts) { $n = count($pnts)-1; for($i=0; $i < $n; $i+=2) { list ($x,$y) = $this->Rotate($pnts[$i],$pnts[$i+1]); $pnts[$i] = $x; $pnts[$i+1] = $y; } return $pnts; } function Line($x1,$y1,$x2,$y2) { list($x1,$y1) = $this->Rotate($x1,$y1); list($x2,$y2) = $this->Rotate($x2,$y2); parent::Line($x1,$y1,$x2,$y2); } function Rectangle($x1,$y1,$x2,$y2) { // Rectangle uses Line() so it will be rotated through that call parent::Rectangle($x1,$y1,$x2,$y2); } function FilledRectangle($x1,$y1,$x2,$y2) { if( $y1==$y2 || $x1==$x2 ) $this->Line($x1,$y1,$x2,$y2); else $this->FilledPolygon(array($x1,$y1,$x2,$y1,$x2,$y2,$x1,$y2)); } function Polygon($pnts,$closed=FALSE,$fast=false) { // Polygon uses Line() so it will be rotated through that call unless // fast drawing routines are used in which case a rotate is needed if( $fast ) { parent::Polygon($this->ArrRotate($pnts)); } else parent::Polygon($pnts,$closed,$fast); } function FilledPolygon($pnts) { parent::FilledPolygon($this->ArrRotate($pnts)); } function Point($x,$y) { list($xp,$yp) = $this->Rotate($x,$y); parent::Point($xp,$yp); } function StrokeText($x,$y,$txt,$dir=0,$paragraph_align="left",$debug=false) { list($xp,$yp) = $this->Rotate($x,$y); return parent::StrokeText($xp,$yp,$txt,$dir,$paragraph_align,$debug); } } ?>
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