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504 lines
17 KiB
504 lines
17 KiB
<?php |
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//======================================================================= |
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// File: JPGRAPH_PLOTMARK.PHP |
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// Description: Class file. Handles plotmarks |
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// Created: 2003-03-21 |
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// Ver: $Id: jpgraph_plotmark.inc.php 1106 2009-02-22 20:16:35Z ljp $ |
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// |
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// Copyright (c) Asial Corporation. All rights reserved. |
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//======================================================================== |
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//=================================================== |
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// CLASS PlotMark |
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// Description: Handles the plot marks in graphs |
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//=================================================== |
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class PlotMark { |
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public $title, $show=true; |
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public $type,$weight=1; |
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public $iFormatCallback="", $iFormatCallback2=""; |
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public $fill_color="blue"; |
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public $color="black", $width=4; |
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private $yvalue,$xvalue='',$csimtarget,$csimwintarget='',$csimalt,$csimareas; |
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private $markimg='',$iScale=1.0; |
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private $oldfilename='',$iFileName=''; |
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private $imgdata_balls = null; |
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private $imgdata_diamonds = null; |
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private $imgdata_squares = null; |
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private $imgdata_bevels = null; |
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private $imgdata_stars = null; |
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private $imgdata_pushpins = null; |
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//-------------- |
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// CONSTRUCTOR |
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function __construct() { |
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$this->title = new Text(); |
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$this->title->Hide(); |
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$this->csimareas = ''; |
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$this->type=-1; |
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} |
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//--------------- |
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// PUBLIC METHODS |
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function SetType($aType,$aFileName='',$aScale=1.0) { |
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$this->type = $aType; |
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if( $aType == MARK_IMG && $aFileName=='' ) { |
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JpGraphError::RaiseL(23003);//('A filename must be specified if you set the mark type to MARK_IMG.'); |
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} |
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$this->iFileName = $aFileName; |
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$this->iScale = $aScale; |
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} |
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function SetCallback($aFunc) { |
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$this->iFormatCallback = $aFunc; |
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} |
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function SetCallbackYX($aFunc) { |
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$this->iFormatCallback2 = $aFunc; |
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} |
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function GetType() { |
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return $this->type; |
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} |
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function SetColor($aColor) { |
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$this->color=$aColor; |
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} |
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function SetFillColor($aFillColor) { |
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$this->fill_color = $aFillColor; |
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} |
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function SetWeight($aWeight) { |
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$this->weight = $aWeight; |
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} |
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// Synonym for SetWidth() |
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function SetSize($aWidth) { |
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$this->width=$aWidth; |
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} |
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function SetWidth($aWidth) { |
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$this->width=$aWidth; |
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} |
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function SetDefaultWidth() { |
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switch( $this->type ) { |
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case MARK_CIRCLE: |
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case MARK_FILLEDCIRCLE: |
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$this->width=4; |
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break; |
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default: |
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$this->width=7; |
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} |
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} |
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function GetWidth() { |
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return $this->width; |
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} |
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function Hide($aHide=true) { |
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$this->show = !$aHide; |
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} |
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function Show($aShow=true) { |
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$this->show = $aShow; |
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} |
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function SetCSIMAltVal($aY,$aX='') { |
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$this->yvalue=$aY; |
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$this->xvalue=$aX; |
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} |
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function SetCSIMTarget($aTarget,$aWinTarget='') { |
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$this->csimtarget=$aTarget; |
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$this->csimwintarget=$aWinTarget; |
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} |
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function SetCSIMAlt($aAlt) { |
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$this->csimalt=$aAlt; |
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} |
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function GetCSIMAreas(){ |
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return $this->csimareas; |
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} |
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function AddCSIMPoly($aPts) { |
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$coords = round($aPts[0]).", ".round($aPts[1]); |
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$n = count($aPts)/2; |
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for( $i=1; $i < $n; ++$i){ |
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$coords .= ", ".round($aPts[2*$i]).", ".round($aPts[2*$i+1]); |
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} |
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$this->csimareas=""; |
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if( !empty($this->csimtarget) ) { |
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$this->csimareas .= "<area shape=\"poly\" coords=\"$coords\" href=\"".htmlentities($this->csimtarget)."\""; |
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if( !empty($this->csimwintarget) ) { |
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$this->csimareas .= " target=\"".$this->csimwintarget."\" "; |
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} |
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if( !empty($this->csimalt) ) { |
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$tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue); |
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$this->csimareas .= " title=\"$tmp\" alt=\"$tmp\""; |
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} |
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$this->csimareas .= " />\n"; |
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} |
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} |
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function AddCSIMCircle($x,$y,$r) { |
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$x = round($x); $y=round($y); $r=round($r); |
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$this->csimareas=""; |
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if( !empty($this->csimtarget) ) { |
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$this->csimareas .= "<area shape=\"circle\" coords=\"$x,$y,$r\" href=\"".htmlentities($this->csimtarget)."\""; |
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if( !empty($this->csimwintarget) ) { |
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$this->csimareas .= " target=\"".$this->csimwintarget."\" "; |
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} |
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if( !empty($this->csimalt) ) { |
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$tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue); |
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$this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" "; |
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} |
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$this->csimareas .= " />\n"; |
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} |
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} |
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function Stroke($img,$x,$y) { |
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if( !$this->show ) return; |
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if( $this->iFormatCallback != '' || $this->iFormatCallback2 != '' ) { |
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if( $this->iFormatCallback != '' ) { |
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$f = $this->iFormatCallback; |
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list($width,$color,$fcolor) = call_user_func($f,$this->yvalue); |
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$filename = $this->iFileName; |
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$imgscale = $this->iScale; |
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} |
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else { |
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$f = $this->iFormatCallback2; |
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list($width,$color,$fcolor,$filename,$imgscale) = call_user_func($f,$this->yvalue,$this->xvalue); |
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if( $filename=="" ) $filename = $this->iFileName; |
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if( $imgscale=="" ) $imgscale = $this->iScale; |
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} |
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if( $width=="" ) $width = $this->width; |
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if( $color=="" ) $color = $this->color; |
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if( $fcolor=="" ) $fcolor = $this->fill_color; |
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} |
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else { |
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$fcolor = $this->fill_color; |
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$color = $this->color; |
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$width = $this->width; |
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$filename = $this->iFileName; |
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$imgscale = $this->iScale; |
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} |
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if( $this->type == MARK_IMG || |
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($this->type >= MARK_FLAG1 && $this->type <= MARK_FLAG4 ) || |
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$this->type >= MARK_IMG_PUSHPIN ) { |
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// Note: For the builtin images we use the "filename" parameter |
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// to denote the color |
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$anchor_x = 0.5; |
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$anchor_y = 0.5; |
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switch( $this->type ) { |
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case MARK_FLAG1: |
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case MARK_FLAG2: |
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case MARK_FLAG3: |
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case MARK_FLAG4: |
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$this->markimg = FlagCache::GetFlagImgByName($this->type-MARK_FLAG1+1,$filename); |
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break; |
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case MARK_IMG : |
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// Load an image and use that as a marker |
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// Small optimization, if we have already read an image don't |
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// waste time reading it again. |
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if( $this->markimg == '' || !($this->oldfilename === $filename) ) { |
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$this->markimg = Graph::LoadBkgImage('',$filename); |
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$this->oldfilename = $filename ; |
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} |
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break; |
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case MARK_IMG_PUSHPIN: |
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case MARK_IMG_SPUSHPIN: |
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case MARK_IMG_LPUSHPIN: |
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if( $this->imgdata_pushpins == null ) { |
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require_once 'imgdata_pushpins.inc.php'; |
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$this->imgdata_pushpins = new ImgData_PushPins(); |
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} |
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$this->markimg = $this->imgdata_pushpins->GetImg($this->type,$filename); |
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list($anchor_x,$anchor_y) = $this->imgdata_pushpins->GetAnchor(); |
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break; |
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case MARK_IMG_SQUARE: |
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if( $this->imgdata_squares == null ) { |
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require_once 'imgdata_squares.inc.php'; |
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$this->imgdata_squares = new ImgData_Squares(); |
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} |
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$this->markimg = $this->imgdata_squares->GetImg($this->type,$filename); |
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list($anchor_x,$anchor_y) = $this->imgdata_squares->GetAnchor(); |
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break; |
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case MARK_IMG_STAR: |
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if( $this->imgdata_stars == null ) { |
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require_once 'imgdata_stars.inc.php'; |
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$this->imgdata_stars = new ImgData_Stars(); |
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} |
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$this->markimg = $this->imgdata_stars->GetImg($this->type,$filename); |
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list($anchor_x,$anchor_y) = $this->imgdata_stars->GetAnchor(); |
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break; |
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case MARK_IMG_BEVEL: |
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if( $this->imgdata_bevels == null ) { |
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require_once 'imgdata_bevels.inc.php'; |
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$this->imgdata_bevels = new ImgData_Bevels(); |
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} |
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$this->markimg = $this->imgdata_bevels->GetImg($this->type,$filename); |
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list($anchor_x,$anchor_y) = $this->imgdata_bevels->GetAnchor(); |
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break; |
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case MARK_IMG_DIAMOND: |
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if( $this->imgdata_diamonds == null ) { |
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require_once 'imgdata_diamonds.inc.php'; |
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$this->imgdata_diamonds = new ImgData_Diamonds(); |
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} |
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$this->markimg = $this->imgdata_diamonds->GetImg($this->type,$filename); |
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list($anchor_x,$anchor_y) = $this->imgdata_diamonds->GetAnchor(); |
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break; |
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case MARK_IMG_BALL: |
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case MARK_IMG_SBALL: |
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case MARK_IMG_MBALL: |
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case MARK_IMG_LBALL: |
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if( $this->imgdata_balls == null ) { |
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require_once 'imgdata_balls.inc.php'; |
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$this->imgdata_balls = new ImgData_Balls(); |
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} |
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$this->markimg = $this->imgdata_balls->GetImg($this->type,$filename); |
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list($anchor_x,$anchor_y) = $this->imgdata_balls->GetAnchor(); |
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break; |
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} |
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$w = $img->GetWidth($this->markimg); |
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$h = $img->GetHeight($this->markimg); |
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$dw = round($imgscale * $w ); |
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$dh = round($imgscale * $h ); |
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// Do potential rotation |
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list($x,$y) = $img->Rotate($x,$y); |
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$dx = round($x-$dw*$anchor_x); |
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$dy = round($y-$dh*$anchor_y); |
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$this->width = max($dx,$dy); |
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$img->Copy($this->markimg,$dx,$dy,0,0,$dw,$dh,$w,$h); |
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if( !empty($this->csimtarget) ) { |
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$this->csimareas = "<area shape=\"rect\" coords=\"". |
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$dx.','.$dy.','.round($dx+$dw).','.round($dy+$dh).'" '. |
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"href=\"".htmlentities($this->csimtarget)."\""; |
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if( !empty($this->csimwintarget) ) { |
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$this->csimareas .= " target=\"".$this->csimwintarget."\" "; |
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} |
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if( !empty($this->csimalt) ) { |
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$tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue); |
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$this->csimareas .= " title=\"$tmp\" alt=\"$tmp\" "; |
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} |
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$this->csimareas .= " />\n"; |
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} |
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// Stroke title |
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$this->title->Align("center","top"); |
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$this->title->Stroke($img,$x,$y+round($dh/2)); |
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return; |
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} |
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$weight = $this->weight; |
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$dx=round($width/2,0); |
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$dy=round($width/2,0); |
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$pts=0; |
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switch( $this->type ) { |
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case MARK_SQUARE: |
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$c[]=$x-$dx;$c[]=$y-$dy; |
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$c[]=$x+$dx;$c[]=$y-$dy; |
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$c[]=$x+$dx;$c[]=$y+$dy; |
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$c[]=$x-$dx;$c[]=$y+$dy; |
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$c[]=$x-$dx;$c[]=$y-$dy; |
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$pts=5; |
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break; |
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case MARK_UTRIANGLE: |
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++$dx;++$dy; |
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$c[]=$x-$dx;$c[]=$y+0.87*$dy; // tan(60)/2*$dx |
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$c[]=$x;$c[]=$y-0.87*$dy; |
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$c[]=$x+$dx;$c[]=$y+0.87*$dy; |
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$c[]=$x-$dx;$c[]=$y+0.87*$dy; // tan(60)/2*$dx |
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$pts=4; |
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break; |
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case MARK_DTRIANGLE: |
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++$dx;++$dy; |
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$c[]=$x;$c[]=$y+0.87*$dy; // tan(60)/2*$dx |
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$c[]=$x-$dx;$c[]=$y-0.87*$dy; |
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$c[]=$x+$dx;$c[]=$y-0.87*$dy; |
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$c[]=$x;$c[]=$y+0.87*$dy; // tan(60)/2*$dx |
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$pts=4; |
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break; |
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case MARK_DIAMOND: |
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$c[]=$x;$c[]=$y+$dy; |
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$c[]=$x-$dx;$c[]=$y; |
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$c[]=$x;$c[]=$y-$dy; |
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$c[]=$x+$dx;$c[]=$y; |
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$c[]=$x;$c[]=$y+$dy; |
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$pts=5; |
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break; |
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case MARK_LEFTTRIANGLE: |
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$c[]=$x;$c[]=$y; |
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$c[]=$x;$c[]=$y+2*$dy; |
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$c[]=$x+$dx*2;$c[]=$y; |
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$c[]=$x;$c[]=$y; |
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$pts=4; |
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break; |
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case MARK_RIGHTTRIANGLE: |
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$c[]=$x-$dx*2;$c[]=$y; |
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$c[]=$x;$c[]=$y+2*$dy; |
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$c[]=$x;$c[]=$y; |
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$c[]=$x-$dx*2;$c[]=$y; |
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$pts=4; |
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break; |
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case MARK_FLASH: |
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$dy *= 2; |
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$c[]=$x+$dx/2; $c[]=$y-$dy; |
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$c[]=$x-$dx+$dx/2; $c[]=$y+$dy*0.7-$dy; |
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$c[]=$x+$dx/2; $c[]=$y+$dy*1.3-$dy; |
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$c[]=$x-$dx+$dx/2; $c[]=$y+2*$dy-$dy; |
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$img->SetLineWeight($weight); |
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$img->SetColor($color); |
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$img->Polygon($c); |
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$img->SetLineWeight(1); |
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$this->AddCSIMPoly($c); |
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break; |
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} |
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if( $pts>0 ) { |
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$this->AddCSIMPoly($c); |
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$img->SetLineWeight($weight); |
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$img->SetColor($fcolor); |
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$img->FilledPolygon($c); |
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$img->SetColor($color); |
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$img->Polygon($c); |
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$img->SetLineWeight(1); |
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} |
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elseif( $this->type==MARK_CIRCLE ) { |
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$img->SetColor($color); |
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$img->Circle($x,$y,$width); |
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$this->AddCSIMCircle($x,$y,$width); |
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} |
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elseif( $this->type==MARK_FILLEDCIRCLE ) { |
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$img->SetColor($fcolor); |
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$img->FilledCircle($x,$y,$width); |
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$img->SetColor($color); |
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$img->Circle($x,$y,$width); |
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$this->AddCSIMCircle($x,$y,$width); |
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} |
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elseif( $this->type==MARK_CROSS ) { |
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// Oversize by a pixel to match the X |
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$img->SetColor($color); |
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$img->SetLineWeight($weight); |
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$img->Line($x,$y+$dy+1,$x,$y-$dy-1); |
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$img->Line($x-$dx-1,$y,$x+$dx+1,$y); |
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$this->AddCSIMCircle($x,$y,$dx); |
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} |
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elseif( $this->type==MARK_X ) { |
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$img->SetColor($color); |
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$img->SetLineWeight($weight); |
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$img->Line($x+$dx,$y+$dy,$x-$dx,$y-$dy); |
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$img->Line($x-$dx,$y+$dy,$x+$dx,$y-$dy); |
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$this->AddCSIMCircle($x,$y,$dx+$dy); |
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} |
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elseif( $this->type==MARK_STAR ) { |
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$img->SetColor($color); |
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$img->SetLineWeight($weight); |
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$img->Line($x+$dx,$y+$dy,$x-$dx,$y-$dy); |
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$img->Line($x-$dx,$y+$dy,$x+$dx,$y-$dy); |
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// Oversize by a pixel to match the X |
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$img->Line($x,$y+$dy+1,$x,$y-$dy-1); |
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$img->Line($x-$dx-1,$y,$x+$dx+1,$y); |
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$this->AddCSIMCircle($x,$y,$dx+$dy); |
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} |
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// Stroke title |
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$this->title->Align("center","center"); |
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$this->title->Stroke($img,$x,$y); |
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} |
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} // Class |
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//======================================================================== |
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// CLASS ImgData |
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// Description: Base class for all image data classes that contains the |
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// real image data. |
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//======================================================================== |
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class ImgData { |
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protected $name = ''; // Each subclass gives a name |
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protected $an = array(); // Data array names |
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protected $colors = array(); // Available colors |
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protected $index = array(); // Index for colors |
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protected $maxidx = 0 ; // Max color index |
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protected $anchor_x=0.5, $anchor_y=0.5 ; // Where is the center of the image |
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function __construct() { |
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// Empty |
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} |
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// Create a GD image from the data and return a GD handle |
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function GetImg($aMark,$aIdx) { |
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$n = $this->an[$aMark]; |
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if( is_string($aIdx) ) { |
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if( !in_array($aIdx,$this->colors) ) { |
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JpGraphError::RaiseL(23001,$this->name,$aIdx);//('This marker "'.($this->name).'" does not exist in color: '.$aIdx); |
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} |
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$idx = $this->index[$aIdx]; |
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} |
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elseif( !is_integer($aIdx) || |
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(is_integer($aIdx) && $aIdx > $this->maxidx ) ) { |
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JpGraphError::RaiseL(23002,$this->name);//('Mark color index too large for marker "'.($this->name).'"'); |
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} |
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else |
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$idx = $aIdx ; |
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return Image::CreateFromString(base64_decode($this->{$n}[$idx][1])); |
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} |
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function GetAnchor() { |
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return array($this->anchor_x,$this->anchor_y); |
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} |
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} |
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// Keep a global flag cache to reduce memory usage |
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$_gFlagCache=array( |
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1 => null, |
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2 => null, |
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3 => null, |
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4 => null, |
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); |
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// Only supposed to b called as statics |
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class FlagCache { |
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|
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static function GetFlagImgByName($aSize,$aName) { |
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global $_gFlagCache; |
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require_once('jpgraph_flags.php'); |
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if( $_gFlagCache[$aSize] === null ) { |
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$_gFlagCache[$aSize] = new FlagImages($aSize); |
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} |
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$f = $_gFlagCache[$aSize]; |
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$idx = $f->GetIdxByName($aName,$aFullName); |
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return $f->GetImgByIdx($idx); |
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} |
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} |
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?>
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