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-<?php
-/*=======================================================================
- // File: JPGRAPH_MGRAPH.PHP
- // Description: Class to handle multiple graphs in the same image
- // Created: 2006-01-15
- // Ver: $Id: jpgraph_mgraph.php 1770 2009-08-17 06:10:22Z ljp $
- //
- // Copyright (c) Asial Corporation. All rights reserved.
- //========================================================================
- */
-
-//=============================================================================
-// CLASS MGraph
-// Description: Create a container image that can hold several graph
-//=============================================================================
-class MGraph {
-
- public $title = null, $subtitle = null, $subsubtitle = null;
-
- protected $img=NULL;
- protected $iCnt=0,$iGraphs = array(); // image_handle, x, y, fx, fy, sizex, sizey
- protected $iFillColor='white', $iCurrentColor=0;
- protected $lm=4,$rm=4,$tm=4,$bm=4;
- protected $iDoFrame = FALSE, $iFrameColor = 'black', $iFrameWeight = 1;
- protected $iLineWeight = 1;
- protected $expired=false;
- protected $cache=null,$cache_name = '',$inline=true;
- protected $image_format='png',$image_quality=75;
- protected $iWidth=NULL,$iHeight=NULL;
- protected $background_image='',$background_image_center=true,
- $backround_image_format='',$background_image_mix=100,
- $background_image_y=NULL, $background_image_x=NULL;
- private $doshadow=false, $shadow_width=4, $shadow_color='gray@0.5';
- public $footer;
-
-
- // Create a new instane of the combined graph
- function __construct($aWidth=NULL,$aHeight=NULL,$aCachedName='',$aTimeOut=0,$aInline=true) {
- $this->iWidth = $aWidth;
- $this->iHeight = $aHeight;
-
- // If the cached version exist just read it directly from the
- // cache, stream it back to browser and exit
- if( $aCachedName!='' && READ_CACHE && $aInline ) {
- $this->cache = new ImgStreamCache();
- $this->cache->SetTimeOut($aTimeOut);
- $image = new Image();
- if( $this->cache->GetAndStream($image,$aCachedName) ) {
- exit();
- }
- }
- $this->inline = $aInline;
- $this->cache_name = $aCachedName;
-
- $this->title = new Text();
- $this->title->ParagraphAlign('center');
- $this->title->SetFont(FF_FONT2,FS_BOLD);
- $this->title->SetMargin(3);
- $this->title->SetAlign('center');
-
- $this->subtitle = new Text();
- $this->subtitle->ParagraphAlign('center');
- $this->subtitle->SetFont(FF_FONT1,FS_BOLD);
- $this->subtitle->SetMargin(3);
- $this->subtitle->SetAlign('center');
-
- $this->subsubtitle = new Text();
- $this->subsubtitle->ParagraphAlign('center');
- $this->subsubtitle->SetFont(FF_FONT1,FS_NORMAL);
- $this->subsubtitle->SetMargin(3);
- $this->subsubtitle->SetAlign('center');
-
- $this->footer = new Footer();
-
- }
-
- // Specify background fill color for the combined graph
- function SetFillColor($aColor) {
- $this->iFillColor = $aColor;
- }
-
- // Add a frame around the combined graph
- function SetFrame($aFlg,$aColor='black',$aWeight=1) {
- $this->iDoFrame = $aFlg;
- $this->iFrameColor = $aColor;
- $this->iFrameWeight = $aWeight;
- }
-
- // Specify a background image blend
- function SetBackgroundImageMix($aMix) {
- $this->background_image_mix = $aMix ;
- }
-
- // Specify a background image
- function SetBackgroundImage($aFileName,$aCenter_aX=NULL,$aY=NULL) {
- // Second argument can be either a boolean value or
- // a numeric
- $aCenter=TRUE;
- $aX=NULL;
-
- if( is_numeric($aCenter_aX) ) {
- $aX=$aCenter_aX;
- }
-
- // Get extension to determine image type
- $e = explode('.',$aFileName);
- if( !$e ) {
- JpGraphError::RaiseL(12002,$aFileName);
- //('Incorrect file name for MGraph::SetBackgroundImage() : '.$aFileName.' Must have a valid image extension (jpg,gif,png) when using autodetection of image type');
- }
-
- $valid_formats = array('png', 'jpg', 'gif');
- $aImgFormat = strtolower($e[count($e)-1]);
- if ($aImgFormat == 'jpeg') {
- $aImgFormat = 'jpg';
- }
- elseif (!in_array($aImgFormat, $valid_formats) ) {
- JpGraphError::RaiseL(12003,$aImgFormat,$aFileName);
- //('Unknown file extension ($aImgFormat) in MGraph::SetBackgroundImage() for filename: '.$aFileName);
- }
-
- $this->background_image = $aFileName;
- $this->background_image_center=$aCenter;
- $this->background_image_format=$aImgFormat;
- $this->background_image_x = $aX;
- $this->background_image_y = $aY;
- }
-
- function _strokeBackgroundImage() {
- if( $this->background_image == '' ) return;
-
- $bkgimg = Graph::LoadBkgImage('',$this->background_image);
-
- // Background width & Heoght
- $bw = imagesx($bkgimg);
- $bh = imagesy($bkgimg);
-
- // Canvas width and height
- $cw = imagesx($this->img);
- $ch = imagesy($this->img);
-
- if( $this->doshadow ) {
- $cw -= $this->shadow_width;
- $ch -= $this->shadow_width;
- }
-
- if( $this->background_image_x === NULL || $this->background_image_y === NULL ) {
- if( $this->background_image_center ) {
- // Center original image in the plot area
- $x = round($cw/2-$bw/2); $y = round($ch/2-$bh/2);
- }
- else {
- // Just copy the image from left corner, no resizing
- $x=0; $y=0;
- }
- }
- else {
- $x = $this->background_image_x;
- $y = $this->background_image_y;
- }
- imagecopymerge($this->img,$bkgimg,$x,$y,0,0,$bw,$bh,$this->background_image_mix);
- }
-
- function AddMix($aGraph,$x=0,$y=0,$mix=100,$fx=0,$fy=0,$w=0,$h=0) {
- $this->_gdImgHandle($aGraph->Stroke( _IMG_HANDLER),$x,$y,$fx=0,$fy=0,$w,$h,$mix);
- }
-
- function Add($aGraph,$x=0,$y=0,$fx=0,$fy=0,$w=0,$h=0) {
- $this->_gdImgHandle($aGraph->Stroke( _IMG_HANDLER),$x,$y,$fx=0,$fy=0,$w,$h);
- }
-
- function _gdImgHandle($agdCanvas,$x,$y,$fx=0,$fy=0,$w=0,$h=0,$mix=100) {
- if( $w == 0 ) {
- $w = @imagesx($agdCanvas);
- }
- if( $w === NULL ) {
- JpGraphError::RaiseL(12007);
- //('Argument to MGraph::Add() is not a valid GD image handle.');
- return;
- }
- if( $h == 0 ) {
- $h = @imagesy($agdCanvas);
- }
- $this->iGraphs[$this->iCnt++] = array($agdCanvas,$x,$y,$fx,$fy,$w,$h,$mix);
- }
-
- function SetMargin($lm,$rm,$tm,$bm) {
- $this->lm = $lm;
- $this->rm = $rm;
- $this->tm = $tm;
- $this->bm = $bm;
- }
-
- function SetExpired($aFlg=true) {
- $this->expired = $aFlg;
- }
-
- function SetImgFormat($aFormat,$aQuality=75) {
- $this->image_format = $aFormat;
- $this->image_quality = $aQuality;
- }
-
- // Set the shadow around the whole image
- function SetShadow($aShowShadow=true,$aShadowWidth=4,$aShadowColor='gray@0.3') {
- $this->doshadow = $aShowShadow;
- $this->shadow_color = $aShadowColor;
- $this->shadow_width = $aShadowWidth;
- $this->footer->iBottomMargin += $aShadowWidth;
- $this->footer->iRightMargin += $aShadowWidth;
- }
-
- function StrokeTitle($image,$w,$h) {
- // Stroke title
- if( $this->title->t !== '' ) {
-
- $margin = 3;
-
- $y = $this->title->margin;
- if( $this->title->halign == 'center' ) {
- $this->title->Center(0,$w,$y);
- }
- elseif( $this->title->halign == 'left' ) {
- $this->title->SetPos($this->title->margin+2,$y);
- }
- elseif( $this->title->halign == 'right' ) {
- $indent = 0;
- if( $this->doshadow ) {
- $indent = $this->shadow_width+2;
- }
- $this->title->SetPos($w-$this->title->margin-$indent,$y,'right');
- }
- $this->title->Stroke($image);
-
- // ... and subtitle
- $y += $this->title->GetTextHeight($image) + $margin + $this->subtitle->margin;
- if( $this->subtitle->halign == 'center' ) {
- $this->subtitle->Center(0,$w,$y);
- }
- elseif( $this->subtitle->halign == 'left' ) {
- $this->subtitle->SetPos($this->subtitle->margin+2,$y);
- }
- elseif( $this->subtitle->halign == 'right' ) {
- $indent = 0;
- if( $this->doshadow ) {
- $indent = $this->shadow_width+2;
- }
- $this->subtitle->SetPos($this->img->width-$this->subtitle->margin-$indent,$y,'right');
- }
- $this->subtitle->Stroke($image);
-
- // ... and subsubtitle
- $y += $this->subtitle->GetTextHeight($image) + $margin + $this->subsubtitle->margin;
- if( $this->subsubtitle->halign == 'center' ) {
- $this->subsubtitle->Center(0,$w,$y);
- }
- elseif( $this->subsubtitle->halign == 'left' ) {
- $this->subsubtitle->SetPos($this->subsubtitle->margin+2,$y);
- }
- elseif( $this->subsubtitle->halign == 'right' ) {
- $indent = 0;
- if( $this->doshadow ) {
- $indent = $this->shadow_width+2;
- }
- $this->subsubtitle->SetPos($w-$this->subsubtitle->margin-$indent,$y,'right');
- }
- $this->subsubtitle->Stroke($image);
-
- }
- }
-
- function Stroke($aFileName='') {
- // Find out the necessary size for the container image
- $w=0; $h=0;
- for($i=0; $i < $this->iCnt; ++$i ) {
- $maxw = $this->iGraphs[$i][1]+$this->iGraphs[$i][5];
- $maxh = $this->iGraphs[$i][2]+$this->iGraphs[$i][6];
- $w = max( $w, $maxw );
- $h = max( $h, $maxh );
- }
- $w += $this->lm+$this->rm;
- $h += $this->tm+$this->bm;
-
- // User specified width,height overrides
- if( $this->iWidth !== NULL && $this->iWidth !== 0 ) $w = $this->iWidth;
- if( $this->iHeight!== NULL && $this->iHeight !== 0) $h = $this->iHeight;
-
- if( $this->doshadow ) {
- $w += $this->shadow_width;
- $h += $this->shadow_width;
- }
-
- $image = new Image($w,$h);
- $image->SetImgFormat( $this->image_format,$this->image_quality);
-
- if( $this->doshadow ) {
- $image->SetColor($this->iFrameColor);
- $image->ShadowRectangle(0,0,$w-1,$h-1,$this->iFillColor,$this->shadow_width,$this->shadow_color);
- $w -= $this->shadow_width;
- $h -= $this->shadow_width;
- }
- else {
- $image->SetColor($this->iFillColor);
- $image->FilledRectangle(0,0,$w-1,$h-1);
- }
- $image->SetExpired($this->expired);
-
- $this->img = $image->img;
- $this->_strokeBackgroundImage();
-
- if( $this->iDoFrame && ! $this->doshadow ) {
- $image->SetColor($this->iFrameColor);
- $image->SetLineWeight($this->iFrameWeight);
- $image->Rectangle(0,0,$w-1,$h-1);
- }
-
- // Copy all sub graphs to the container
- for($i=0; $i < $this->iCnt; ++$i ) {
- $image->CopyMerge($this->iGraphs[$i][0],
- $this->iGraphs[$i][1]+$this->lm,$this->iGraphs[$i][2]+$this->tm,
- $this->iGraphs[$i][3],$this->iGraphs[$i][4],
- $this->iGraphs[$i][5],$this->iGraphs[$i][6],
- -1,-1, /* Full from width and height */
- $this->iGraphs[$i][7]);
-
-
- }
-
- $this->StrokeTitle($image,$w,$h);
- $this->footer->Stroke($image);
-
- // Output image
- if( $aFileName == _IMG_HANDLER ) {
- return $image->img;
- }
- else {
- //Finally stream the generated picture
- $this->cache = new ImgStreamCache();
- $this->cache->PutAndStream($image,$this->cache_name,$this->inline,$aFileName);
- }
- }
-}
-
-// EOF
-
-?>
generated by cgit (git 2.34.1) at 2025-06-15 22:07:15 +0000