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<?php |
//======================================================================= |
// File: JPGRAPH_PLOTMARK.PHP |
// Description: Class file. Handles plotmarks |
// Created: 2003-03-21 |
// Author: Johan Persson (johanp@aditus.nu) |
// Ver: $Id: jpgraph_plotmark.inc,v 1.1 2004/06/15 10:13:19 jpm Exp $ |
// |
// License: This code is released under QPL 1.0 |
// Copyright (C) 2003 Johan Persson |
//======================================================================== |
|
|
//======================================================================== |
// 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,$this->colors) ) { |
JpGraphError::Raise('This marker "'.($this->name).'" does not exist in color: '.$aIdx); |
die(); |
} |
$idx = $this->index[$aIdx]; |
} |
elseif( !is_integer($aIdx) || |
(is_integer($aIdx) && $aIdx > $this->maxidx ) ) { |
JpGraphError::Raise('Mark color index too large for marker "'.($this->name).'"'); |
} |
else |
$idx = $aIdx ; |
return imagecreatefromstring(base64_decode($this->{$n}[$idx][1])); |
} |
function GetAnchor() { |
return array($this->anchor_x,$this->anchor_y); |
} |
} |
|
|
//=================================================== |
// 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::Raise('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=\"".$this->csimtarget."\""; |
if( !empty($this->csimalt) ) { |
$tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue); |
$this->csimareas .= " alt=\"$tmp\" title=\"$tmp\""; |
} |
$this->csimareas .= ">\n"; |
} |
} |
|
function AddCSIMCircle($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=\"".$this->csimtarget."\""; |
if( !empty($this->csimalt) ) { |
$tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue); |
$this->csimareas .= " alt=\"$tmp\" title=\"$tmp\""; |
} |
$this->csimareas .= ">\n"; |
} |
} |
|
function Stroke($img,$x,$y) { |
if( !$this->show ) return; |
|
if( $this->iFormatCallback != '' || $this->iFormatCallback2 != '' ) { |
|
if( $this->iFormatCallback != '' ) { |
$f = $this->iFormatCallback; |
list($width,$color,$fcolor) = $f($this->yvalue); |
$filename = $this->iFileName; |
$imgscale = $this->iScale; |
} |
else { |
$f = $this->iFormatCallback2; |
list($width,$color,$fcolor,$filename,$imgscale) = $f($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_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_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; |
} |
|
$w = imagesx($this->markimg); |
$h = imagesy($this->markimg); |
|
$dw = round($imgscale * $w ); |
$dh = round($imgscale * $h ); |
|
$dx = round($x-$dw*$anchor_x); |
$dy = round($y-$dh*$anchor_y); |
|
$this->width = max($dx,$dy); |
|
$cp = $GLOBALS['copyfunc'] ; |
$cp($img->img,$this->markimg,$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=\"".$this->csimtarget."\""; |
if( !empty($this->csimalt) ) { |
$tmp=sprintf($this->csimalt,$this->yvalue,$this->xvalue); |
$this->csimareas .= " alt=\"$tmp\" title=\"$tmp\""; |
} |
$this->csimareas .= ">\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+1); |
$this->AddCSIMCircle($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 |
|
|
?> |