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-rw-r--r--html/jpgraph/jpgraph_canvas.php95
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diff --git a/html/jpgraph/jpgraph_canvas.php b/html/jpgraph/jpgraph_canvas.php
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--- a/html/jpgraph/jpgraph_canvas.php
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-<?php
-/*=======================================================================
- // File: JPGRAPH_CANVAS.PHP
- // Description: Canvas drawing extension for JpGraph
- // Created: 2001-01-08
- // Ver: $Id: jpgraph_canvas.php 1923 2010-01-11 13:48:49Z ljp $
- //
- // Copyright (c) Asial Corporation. All rights reserved.
- //========================================================================
- */
-
-//===================================================
-// CLASS CanvasGraph
-// Description: Creates a simple canvas graph which
-// might be used together with the basic Image drawing
-// primitives. Useful to auickoly produce some arbitrary
-// graphic which benefits from all the functionality in the
-// graph liek caching for example.
-//===================================================
-class CanvasGraph extends Graph {
- //---------------
- // CONSTRUCTOR
- function __construct($aWidth=300,$aHeight=200,$aCachedName="",$timeout=0,$inline=1) {
- parent::__construct($aWidth,$aHeight,$aCachedName,$timeout,$inline);
- }
-
- //---------------
- // PUBLIC METHODS
-
- function InitFrame() {
- $this->StrokePlotArea();
- }
-
- // Method description
- function Stroke($aStrokeFileName="") {
- if( $this->texts != null ) {
- for($i=0; $i < count($this->texts); ++$i) {
- $this->texts[$i]->Stroke($this->img);
- }
- }
- if( $this->iTables !== null ) {
- for($i=0; $i < count($this->iTables); ++$i) {
- $this->iTables[$i]->Stroke($this->img);
- }
- }
- $this->StrokeTitles();
-
- // If the filename is the predefined value = '_csim_special_'
- // we assume that the call to stroke only needs to do enough
- // to correctly generate the CSIM maps.
- // We use this variable to skip things we don't strictly need
- // to do to generate the image map to improve performance
- // a best we can. Therefor you will see a lot of tests !$_csim in the
- // code below.
- $_csim = ($aStrokeFileName===_CSIM_SPECIALFILE);
-
- // We need to know if we have stroked the plot in the
- // GetCSIMareas. Otherwise the CSIM hasn't been generated
- // and in the case of GetCSIM called before stroke to generate
- // CSIM without storing an image to disk GetCSIM must call Stroke.
- $this->iHasStroked = true;
-
- if( !$_csim ) {
-
- // Should we do any final image transformation
- if( $this->iImgTrans ) {
- if( !class_exists('ImgTrans',false) ) {
- require_once('jpgraph_imgtrans.php');
- }
-
- $tform = new ImgTrans($this->img->img);
- $this->img->img = $tform->Skew3D($this->iImgTransHorizon,$this->iImgTransSkewDist,
- $this->iImgTransDirection,$this->iImgTransHighQ,
- $this->iImgTransMinSize,$this->iImgTransFillColor,
- $this->iImgTransBorder);
- }
-
-
- // If the filename is given as the special _IMG_HANDLER
- // then the image handler is returned and the image is NOT
- // streamed back
- if( $aStrokeFileName == _IMG_HANDLER ) {
- return $this->img->img;
- }
- else {
- // Finally stream the generated picture
- $this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,$aStrokeFileName);
- return true;
- }
- }
- }
-} // Class
-
-/* EOF */
-?>