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Diffstat (limited to 'html/jpgraph/jpgraph_mgraph.php')
| -rw-r--r-- | html/jpgraph/jpgraph_mgraph.php | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/html/jpgraph/jpgraph_mgraph.php b/html/jpgraph/jpgraph_mgraph.php new file mode 100644 index 0000000..80b2b6d --- /dev/null +++ b/html/jpgraph/jpgraph_mgraph.php @@ -0,0 +1,345 @@ +<?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 + +?> |