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