1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 | <?php /* pDraw - pChart core class Version : 2.1.0 Made by : Jean-Damien POGOLOTTI Last Update : 26/01/11 This file can be distributed under the license you can find at : http://www.pchart.net/license You can find the whole class documentation on the pChart web site. */ /* The GD extension is mandatory */ if (!extension_loaded('gd') && !extension_loaded('gd2')) { echo "GD extension must be loaded. \r\n"; exit(); } class pImage extends pDraw { /* Image settings, size, quality, .. */ var $XSize = NULL; // Width of the picture var $YSize = NULL; // Height of the picture var $Picture = NULL; // GD picture object var $Antialias = TRUE; // Turn antialias on or off var $AntialiasQuality = 0; // Quality of the antialiasing implementation (0-1) var $Mask = ""; // Already drawn pixels mask (Filled circle implementation) var $TransparentBackground = FALSE; // Just to know if we need to flush the alpha channels when rendering /* Graph area settings */ var $GraphAreaX1 = NULL; // Graph area X origin var $GraphAreaY1 = NULL; // Graph area Y origin var $GraphAreaX2 = NULL; // Graph area bottom right X position var $GraphAreaY2 = NULL; // Graph area bottom right Y position /* Scale settings */ var $ScaleMinDivHeight = 20; // Minimum height for scame divs /* Font properties */ var $FontName = "fonts/GeosansLight.ttf"; // Default font file var $FontSize = 12; // Default font size var $FontBox = NULL; // Return the bounding box of the last written string var $FontColorR = 0; // Default color settings var $FontColorG = 0; // Default color settings var $FontColorB = 0; // Default color settings var $FontColorA = 100; // Default transparency /* Shadow properties */ var $Shadow = TRUE; // Turn shadows on or off var $ShadowX = NULL; // X Offset of the shadow var $ShadowY = NULL; // Y Offset of the shadow var $ShadowR = NULL; // R component of the shadow var $ShadowG = NULL; // G component of the shadow var $ShadowB = NULL; // B component of the shadow var $Shadowa = NULL; // Alpha level of the shadow /* Data Set */ var $DataSet = NULL; // Attached dataset /* Class constructor */ function pImage($XSize,$YSize,$DataSet=NULL,$TransparentBackground=FALSE) { $this->TransparentBackground = $TransparentBackground; if ( $DataSet != NULL ) { $this->DataSet = $DataSet; } $this->XSize = $XSize; $this->YSize = $YSize; $this->Picture = imagecreatetruecolor($XSize,$YSize); if ( $this->TransparentBackground ) { imagealphablending($this->Picture,FALSE); imagefilledrectangle($this->Picture, 0,0,$XSize, $YSize, imagecolorallocatealpha($this->Picture, 255, 255, 255, 127)); imagealphablending($this->Picture,TRUE); imagesavealpha($this->Picture,true); } else { $C_White = $this->AllocateColor($this->Picture,255,255,255); imagefilledrectangle($this->Picture,0,0,$XSize,$YSize,$C_White); } } /* Enable / Disable and set shadow properties */ function setShadow($Enabled=TRUE,$Format="") { $X = isset($Format["X"]) ? $Format["X"] : 2; $Y = isset($Format["Y"]) ? $Format["Y"] : 2; $R = isset($Format["R"]) ? $Format["R"] : 0; $G = isset($Format["G"]) ? $Format["G"] : 0; $B = isset($Format["B"]) ? $Format["B"] : 0; $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 10; $this->Shadow = $Enabled; $this->ShadowX = $X; $this->ShadowY = $Y; $this->ShadowR = $R; $this->ShadowG = $G; $this->ShadowB = $B; $this->Shadowa = $Alpha; } /* Set the graph area position */ function setGraphArea($X1,$Y1,$X2,$Y2) { if ( $X2 < $X1 || $X1 == $X2 || $Y2 < $Y1 || $Y1 == $Y2 ) { return(-1); } $this->GraphAreaX1 = $X1; $this->DataSet->Data["GraphArea"]["X1"] = $X1; $this->GraphAreaY1 = $Y1; $this->DataSet->Data["GraphArea"]["Y1"] = $Y1; $this->GraphAreaX2 = $X2; $this->DataSet->Data["GraphArea"]["X2"] = $X2; $this->GraphAreaY2 = $Y2; $this->DataSet->Data["GraphArea"]["Y2"] = $Y2; } /* Return the width of the picture */ function getWidth() { return($this->XSize); } /* Return the heigth of the picture */ function getHeight() { return($this->YSize); } /* Render the picture to a file */ function render($FileName) { if ( $this->TransparentBackground ) { imagealphablending($this->Picture,false); imagesavealpha($this->Picture,true); } imagepng($this->Picture,$FileName); } /* Render the picture to a web browser stream */ function stroke() { if ( $this->TransparentBackground ) { imagealphablending($this->Picture,false); imagesavealpha($this->Picture,true); } header('Content-type: image/png'); imagepng($this->Picture); } /* Automatic output method based on the calling interface */ function autoOutput($FileName="output.png") { if (php_sapi_name() == "cli") $this->Render($FileName); else $this->Stroke(); } /* Return the length between two points */ function getLength($X1,$Y1,$X2,$Y2) { return(sqrt(pow(max($X1,$X2)-min($X1,$X2),2)+pow(max($Y1,$Y2)-min($Y1,$Y2),2))); } /* Return the orientation of a line */ function getAngle($X1,$Y1,$X2,$Y2) { $Opposite = $Y2 - $Y1; $Adjacent = $X2 - $X1;$Angle = rad2deg(atan2($Opposite,$Adjacent)); if ($Angle > 0) { return($Angle); } else { return(360-abs($Angle)); } } /* Return the surrounding box of text area */ function getTextBox_deprecated($X,$Y,$FontName,$FontSize,$Angle,$Text) { $Size = imagettfbbox($FontSize,$Angle,$FontName,$Text); $Width = $this->getLength($Size[0],$Size[1],$Size[2],$Size[3])+1; $Height = $this->getLength($Size[2],$Size[3],$Size[4],$Size[5])+1; $RealPos[0]["X"] = $X; $RealPos[0]["Y"] = $Y; $RealPos[1]["X"] = cos((360-$Angle)*PI/180)*$Width + $RealPos[0]["X"]; $RealPos[1]["Y"] = sin((360-$Angle)*PI/180)*$Width + $RealPos[0]["Y"]; $RealPos[2]["X"] = cos((270-$Angle)*PI/180)*$Height + $RealPos[1]["X"]; $RealPos[2]["Y"] = sin((270-$Angle)*PI/180)*$Height + $RealPos[1]["Y"]; $RealPos[3]["X"] = cos((180-$Angle)*PI/180)*$Width + $RealPos[2]["X"]; $RealPos[3]["Y"] = sin((180-$Angle)*PI/180)*$Width + $RealPos[2]["Y"]; $RealPos[TEXT_ALIGN_BOTTOMLEFT]["X"] = $RealPos[0]["X"]; $RealPos[TEXT_ALIGN_BOTTOMLEFT]["Y"] = $RealPos[0]["Y"]; $RealPos[TEXT_ALIGN_BOTTOMRIGHT]["X"] = $RealPos[1]["X"]; $RealPos[TEXT_ALIGN_BOTTOMRIGHT]["Y"] = $RealPos[1]["Y"]; return($RealPos); } /* Return the surrounding box of text area */ function getTextBox($X,$Y,$FontName,$FontSize,$Angle,$Text) { $coords = imagettfbbox($FontSize, 0, $FontName, $Text); $a = deg2rad($Angle); $ca = cos($a); $sa = sin($a); $RealPos = array(); for($i = 0; $i < 7; $i += 2) { $RealPos[$i/2]["X"] = $X + round($coords[$i] * $ca + $coords[$i+1] * $sa); $RealPos[$i/2]["Y"] = $Y + round($coords[$i+1] * $ca - $coords[$i] * $sa); } $RealPos[TEXT_ALIGN_BOTTOMLEFT]["X"] = $RealPos[0]["X"]; $RealPos[TEXT_ALIGN_BOTTOMLEFT]["Y"] = $RealPos[0]["Y"]; $RealPos[TEXT_ALIGN_BOTTOMRIGHT]["X"] = $RealPos[1]["X"]; $RealPos[TEXT_ALIGN_BOTTOMRIGHT]["Y"] = $RealPos[1]["Y"]; $RealPos[TEXT_ALIGN_TOPLEFT]["X"] = $RealPos[3]["X"]; $RealPos[TEXT_ALIGN_TOPLEFT]["Y"] = $RealPos[3]["Y"]; $RealPos[TEXT_ALIGN_TOPRIGHT]["X"] = $RealPos[2]["X"]; $RealPos[TEXT_ALIGN_TOPRIGHT]["Y"] = $RealPos[2]["Y"]; $RealPos[TEXT_ALIGN_BOTTOMMIDDLE]["X"] = ($RealPos[1]["X"]-$RealPos[0]["X"])/2+$RealPos[0]["X"]; $RealPos[TEXT_ALIGN_BOTTOMMIDDLE]["Y"] = ($RealPos[0]["Y"]-$RealPos[1]["Y"])/2+$RealPos[1]["Y"]; $RealPos[TEXT_ALIGN_TOPMIDDLE]["X"] = ($RealPos[2]["X"]-$RealPos[3]["X"])/2+$RealPos[3]["X"]; $RealPos[TEXT_ALIGN_TOPMIDDLE]["Y"] = ($RealPos[3]["Y"]-$RealPos[2]["Y"])/2+$RealPos[2]["Y"]; $RealPos[TEXT_ALIGN_MIDDLELEFT]["X"] = ($RealPos[0]["X"]-$RealPos[3]["X"])/2+$RealPos[3]["X"]; $RealPos[TEXT_ALIGN_MIDDLELEFT]["Y"] = ($RealPos[0]["Y"]-$RealPos[3]["Y"])/2+$RealPos[3]["Y"]; $RealPos[TEXT_ALIGN_MIDDLERIGHT]["X"] = ($RealPos[1]["X"]-$RealPos[2]["X"])/2+$RealPos[2]["X"]; $RealPos[TEXT_ALIGN_MIDDLERIGHT]["Y"] = ($RealPos[1]["Y"]-$RealPos[2]["Y"])/2+$RealPos[2]["Y"]; $RealPos[TEXT_ALIGN_MIDDLEMIDDLE]["X"] = ($RealPos[1]["X"]-$RealPos[3]["X"])/2+$RealPos[3]["X"]; $RealPos[TEXT_ALIGN_MIDDLEMIDDLE]["Y"] = ($RealPos[0]["Y"]-$RealPos[2]["Y"])/2+$RealPos[2]["Y"]; return($RealPos); } /* Set current font properties */ function setFontProperties($Format="") { $R = isset($Format["R"]) ? $Format["R"] : -1; $G = isset($Format["G"]) ? $Format["G"] : -1; $B = isset($Format["B"]) ? $Format["B"] : -1; $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100; $FontName = isset($Format["FontName"]) ? $Format["FontName"] : NULL; $FontSize = isset($Format["FontSize"]) ? $Format["FontSize"] : NULL; if ( $R != -1) { $this->FontColorR = $R; } if ( $G != -1) { $this->FontColorG = $G; } if ( $B != -1) { $this->FontColorB = $B; } if ( $Alpha != NULL) { $this->FontColorA = $Alpha; } if ( $FontName != NULL ) $this->FontName = $FontName; if ( $FontSize != NULL ) $this->FontSize = $FontSize; } /* Returns the 1st decimal values (used to correct AA bugs) */ function getFirstDecimal($Value) { $Values = preg_split("/\./",$Value); if ( isset($Values[1]) ) { return(substr($Values[1],0,1)); } else { return(0); } } /* Attach a dataset to your pChart Object */ function setDataSet(&$DataSet) { $this->DataSet = $DataSet; } /* Print attached dataset contents to STDOUT */ function printDataSet() { print_r($this->DataSet); } } ?> |