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77 lines
2.4 KiB
PHP
77 lines
2.4 KiB
PHP
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<?php
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/*=======================================================================
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// File: JPGRAPH_CANVAS.PHP
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// Description: Canvas drawing extension for JpGraph
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// Created: 2001-01-08
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// Author: Johan Persson (johanp@aditus.nu)
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// Ver: $Id: jpgraph_canvas.php,v 1.1 2006/07/07 13:37:14 powles Exp $
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//
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// Copyright (c) Aditus Consulting. All rights reserved.
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//========================================================================
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*/
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//===================================================
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// CLASS CanvasGraph
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// Description: Creates a simple canvas graph which
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// might be used together with the basic Image drawing
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// primitives. Useful to auickoly produce some arbitrary
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// graphic which benefits from all the functionality in the
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// graph liek caching for example.
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//===================================================
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class CanvasGraph extends Graph {
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//---------------
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// CONSTRUCTOR
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function CanvasGraph($aWidth=300,$aHeight=200,$aCachedName="",$timeout=0,$inline=1) {
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$this->Graph($aWidth,$aHeight,$aCachedName,$timeout,$inline);
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}
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//---------------
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// PUBLIC METHODS
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function InitFrame() {
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$this->StrokePlotArea();
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}
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// Method description
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function Stroke($aStrokeFileName="") {
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if( $this->texts != null ) {
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for($i=0; $i < count($this->texts); ++$i) {
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$this->texts[$i]->Stroke($this->img);
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}
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}
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if( $this->iTables !== null ) {
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for($i=0; $i < count($this->iTables); ++$i) {
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$this->iTables[$i]->Stroke($this->img);
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}
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}
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$this->StrokeTitles();
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// Should we do any final image transformation
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if( $this->iImgTrans ) {
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if( !class_exists('ImgTrans') ) {
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require_once('jpgraph_imgtrans.php');
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}
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$tform = new ImgTrans($this->img->img);
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$this->img->img = $tform->Skew3D($this->iImgTransHorizon,$this->iImgTransSkewDist,
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$this->iImgTransDirection,$this->iImgTransHighQ,
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$this->iImgTransMinSize,$this->iImgTransFillColor,
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$this->iImgTransBorder);
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}
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// If the filename is given as the special _IMG_HANDLER
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// then the image handler is returned and the image is NOT
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// streamed back
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if( $aStrokeFileName == _IMG_HANDLER ) {
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return $this->img->img;
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}
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else {
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// Finally stream the generated picture
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$this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,$aStrokeFileName);
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return true;
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}
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}
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} // Class
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/* EOF */
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?>
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