1 | <?php |
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2 | //======================================================================= |
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3 | // File: JPGRAPH_ICONPLOT.PHP |
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4 | // Description: Extension module to add icons to plots |
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5 | // Created: 2004-02-18 |
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6 | // Ver: $Id: jpgraph_iconplot.php 1404 2009-06-28 15:25:41Z ljp $ |
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7 | // |
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8 | // Copyright (c) Asial Corporation. All rights reserved. |
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9 | //======================================================================== |
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10 | |
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11 | |
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12 | //=================================================== |
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13 | // CLASS IconPlot |
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14 | // Description: Make it possible to add a (small) image |
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15 | // to the graph |
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16 | //=================================================== |
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17 | class IconPlot { |
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18 | public $iX=0,$iY=0,$iScale=1.0,$iMix=100; |
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19 | private $iHorAnchor='left',$iVertAnchor='top'; |
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20 | private $iFile=''; |
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21 | private $iAnchors = array('left','right','top','bottom','center'); |
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22 | private $iCountryFlag='',$iCountryStdSize=3; |
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23 | private $iScalePosY=null,$iScalePosX=null; |
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24 | private $iImgString=''; |
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25 | |
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26 | |
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27 | function __construct($aFile="",$aX=0,$aY=0,$aScale=1.0,$aMix=100) { |
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28 | $this->iFile = $aFile; |
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29 | $this->iX=$aX; |
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30 | $this->iY=$aY; |
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31 | $this->iScale= $aScale; |
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32 | if( $aMix < 0 || $aMix > 100 ) { |
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33 | JpGraphError::RaiseL(8001); //('Mix value for icon must be between 0 and 100.'); |
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34 | } |
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35 | $this->iMix = $aMix ; |
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36 | } |
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37 | |
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38 | function SetCountryFlag($aFlag,$aX=0,$aY=0,$aScale=1.0,$aMix=100,$aStdSize=3) { |
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39 | $this->iCountryFlag = $aFlag; |
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40 | $this->iX=$aX; |
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41 | $this->iY=$aY; |
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42 | $this->iScale= $aScale; |
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43 | if( $aMix < 0 || $aMix > 100 ) { |
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44 | JpGraphError::RaiseL(8001);//'Mix value for icon must be between 0 and 100.'); |
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45 | } |
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46 | $this->iMix = $aMix; |
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47 | $this->iCountryStdSize = $aStdSize; |
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48 | } |
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49 | |
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50 | function SetPos($aX,$aY) { |
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51 | $this->iX=$aX; |
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52 | $this->iY=$aY; |
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53 | } |
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54 | |
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55 | function CreateFromString($aStr) { |
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56 | $this->iImgString = $aStr; |
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57 | } |
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58 | |
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59 | function SetScalePos($aX,$aY) { |
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60 | $this->iScalePosX = $aX; |
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61 | $this->iScalePosY = $aY; |
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62 | } |
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63 | |
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64 | function SetScale($aScale) { |
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65 | $this->iScale = $aScale; |
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66 | } |
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67 | |
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68 | function SetMix($aMix) { |
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69 | if( $aMix < 0 || $aMix > 100 ) { |
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70 | JpGraphError::RaiseL(8001);//('Mix value for icon must be between 0 and 100.'); |
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71 | } |
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72 | $this->iMix = $aMix ; |
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73 | } |
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74 | |
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75 | function SetAnchor($aXAnchor='left',$aYAnchor='center') { |
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76 | if( !in_array($aXAnchor,$this->iAnchors) || |
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77 | !in_array($aYAnchor,$this->iAnchors) ) { |
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78 | JpGraphError::RaiseL(8002);//("Anchor position for icons must be one of 'top', 'bottom', 'left', 'right' or 'center'"); |
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79 | } |
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80 | $this->iHorAnchor=$aXAnchor; |
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81 | $this->iVertAnchor=$aYAnchor; |
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82 | } |
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83 | |
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84 | function PreStrokeAdjust($aGraph) { |
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85 | // Nothing to do ... |
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86 | } |
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87 | |
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88 | function DoLegend($aGraph) { |
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89 | // Nothing to do ... |
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90 | } |
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91 | |
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92 | function Max() { |
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93 | return array(false,false); |
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94 | } |
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95 | |
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96 | |
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97 | // The next four function are framework function tht gets called |
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98 | // from Gantt and is not menaiungfull in the context of Icons but |
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99 | // they must be implemented to avoid errors. |
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100 | function GetMaxDate() { return false; } |
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101 | function GetMinDate() { return false; } |
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102 | function GetLineNbr() { return 0; } |
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103 | function GetAbsHeight() {return 0; } |
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104 | |
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105 | |
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106 | function Min() { |
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107 | return array(false,false); |
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108 | } |
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109 | |
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110 | function StrokeMargin(&$aImg) { |
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111 | return true; |
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112 | } |
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113 | |
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114 | function Stroke($aImg,$axscale=null,$ayscale=null) { |
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115 | $this->StrokeWithScale($aImg,$axscale,$ayscale); |
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116 | } |
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117 | |
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118 | function StrokeWithScale($aImg,$axscale,$ayscale) { |
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119 | if( $this->iScalePosX === null || $this->iScalePosY === null || |
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120 | $axscale === null || $ayscale === null ) { |
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121 | $this->_Stroke($aImg); |
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122 | } |
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123 | else { |
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124 | $this->_Stroke($aImg, |
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125 | round($axscale->Translate($this->iScalePosX)), |
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126 | round($ayscale->Translate($this->iScalePosY))); |
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127 | } |
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128 | } |
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129 | |
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130 | function GetWidthHeight() { |
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131 | $dummy=0; |
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132 | return $this->_Stroke($dummy,null,null,true); |
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133 | } |
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134 | |
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135 | function _Stroke($aImg,$x=null,$y=null,$aReturnWidthHeight=false) { |
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136 | if( $this->iFile != '' && $this->iCountryFlag != '' ) { |
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137 | JpGraphError::RaiseL(8003);//('It is not possible to specify both an image file and a country flag for the same icon.'); |
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138 | } |
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139 | if( $this->iFile != '' ) { |
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140 | $gdimg = Graph::LoadBkgImage('',$this->iFile); |
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141 | } |
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142 | elseif( $this->iImgString != '') { |
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143 | $gdimg = Image::CreateFromString($this->iImgString); |
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144 | } |
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145 | |
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146 | else { |
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147 | if( ! class_exists('FlagImages',false) ) { |
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148 | JpGraphError::RaiseL(8004);//('In order to use Country flags as icons you must include the "jpgraph_flags.php" file.'); |
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149 | } |
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150 | $fobj = new FlagImages($this->iCountryStdSize); |
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151 | $dummy=''; |
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152 | $gdimg = $fobj->GetImgByName($this->iCountryFlag,$dummy); |
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153 | } |
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154 | |
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155 | $iconw = imagesx($gdimg); |
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156 | $iconh = imagesy($gdimg); |
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157 | |
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158 | if( $aReturnWidthHeight ) { |
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159 | return array(round($iconw*$this->iScale),round($iconh*$this->iScale)); |
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160 | } |
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161 | |
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162 | if( $x !== null && $y !== null ) { |
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163 | $this->iX = $x; $this->iY = $y; |
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164 | } |
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165 | if( $this->iX >= 0 && $this->iX <= 1.0 ) { |
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166 | $w = imagesx($aImg->img); |
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167 | $this->iX = round($w*$this->iX); |
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168 | } |
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169 | if( $this->iY >= 0 && $this->iY <= 1.0 ) { |
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170 | $h = imagesy($aImg->img); |
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171 | $this->iY = round($h*$this->iY); |
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172 | } |
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173 | |
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174 | if( $this->iHorAnchor == 'center' ) |
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175 | $this->iX -= round($iconw*$this->iScale/2); |
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176 | if( $this->iHorAnchor == 'right' ) |
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177 | $this->iX -= round($iconw*$this->iScale); |
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178 | if( $this->iVertAnchor == 'center' ) |
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179 | $this->iY -= round($iconh*$this->iScale/2); |
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180 | if( $this->iVertAnchor == 'bottom' ) |
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181 | $this->iY -= round($iconh*$this->iScale); |
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182 | |
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183 | $aImg->CopyMerge($gdimg,$this->iX,$this->iY,0,0, |
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184 | round($iconw*$this->iScale),round($iconh*$this->iScale), |
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185 | $iconw,$iconh, |
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186 | $this->iMix); |
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187 | } |
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188 | } |
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189 | |
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190 | ?> |
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