mirror of
https://port.numenaute.org/aleajactaest/khanat-code-old.git
synced 2024-12-29 11:50:56 +00:00
635 lines
19 KiB
PHP
635 lines
19 KiB
PHP
<?php
|
|
//=======================================================================
|
|
// File: JPGRAPH_PLOTBAND.PHP
|
|
// Description: PHP4 Graph Plotting library. Extension module.
|
|
// Created: 2004-02-18
|
|
// Author: Johan Persson (johanp@aditus.nu)
|
|
// Ver: $Id: jpgraph_plotband.php,v 1.1 2006/07/07 13:37:14 powles Exp $
|
|
//
|
|
// Copyright (c) Aditus Consulting. All rights reserved.
|
|
//========================================================================
|
|
|
|
// Constants for types of static bands in plot area
|
|
DEFINE("BAND_RDIAG",1); // Right diagonal lines
|
|
DEFINE("BAND_LDIAG",2); // Left diagonal lines
|
|
DEFINE("BAND_SOLID",3); // Solid one color
|
|
DEFINE("BAND_VLINE",4); // Vertical lines
|
|
DEFINE("BAND_HLINE",5); // Horizontal lines
|
|
DEFINE("BAND_3DPLANE",6); // "3D" Plane
|
|
DEFINE("BAND_HVCROSS",7); // Vertical/Hor crosses
|
|
DEFINE("BAND_DIAGCROSS",8); // Diagonal crosses
|
|
|
|
|
|
// Utility class to hold coordinates for a rectangle
|
|
class Rectangle {
|
|
var $x,$y,$w,$h;
|
|
var $xe, $ye;
|
|
function Rectangle($aX,$aY,$aWidth,$aHeight) {
|
|
$this->x=$aX;
|
|
$this->y=$aY;
|
|
$this->w=$aWidth;
|
|
$this->h=$aHeight;
|
|
$this->xe=$aX+$aWidth-1;
|
|
$this->ye=$aY+$aHeight-1;
|
|
}
|
|
}
|
|
|
|
//=====================================================================
|
|
// Class RectPattern
|
|
// Base class for pattern hierarchi that is used to display patterned
|
|
// bands on the graph. Any subclass that doesn't override Stroke()
|
|
// must at least implement method DoPattern(&$aImg) which is responsible
|
|
// for drawing the pattern onto the graph.
|
|
//=====================================================================
|
|
class RectPattern {
|
|
var $color;
|
|
var $weight;
|
|
var $rect=null;
|
|
var $doframe=true;
|
|
var $linespacing; // Line spacing in pixels
|
|
var $iBackgroundColor=-1; // Default is no background fill
|
|
|
|
function RectPattern($aColor,$aWeight=1) {
|
|
$this->color = $aColor;
|
|
$this->weight = $aWeight;
|
|
}
|
|
|
|
function SetBackground($aBackgroundColor) {
|
|
$this->iBackgroundColor=$aBackgroundColor;
|
|
}
|
|
|
|
function SetPos(&$aRect) {
|
|
$this->rect = $aRect;
|
|
}
|
|
|
|
function ShowFrame($aShow=true) {
|
|
$this->doframe=$aShow;
|
|
}
|
|
|
|
function SetDensity($aDens) {
|
|
if( $aDens < 1 || $aDens > 100 )
|
|
JpGraphError::RaiseL(16001,$aDens);
|
|
//(" Desity for pattern must be between 1 and 100. (You tried $aDens)");
|
|
// 1% corresponds to linespacing=50
|
|
// 100 % corresponds to linespacing 1
|
|
$this->linespacing = floor(((100-$aDens)/100.0)*50)+1;
|
|
|
|
}
|
|
|
|
function Stroke(&$aImg) {
|
|
if( $this->rect == null )
|
|
JpGraphError::RaiseL(16002);
|
|
//(" No positions specified for pattern.");
|
|
|
|
if( !(is_numeric($this->iBackgroundColor) && $this->iBackgroundColor==-1) ) {
|
|
$aImg->SetColor($this->iBackgroundColor);
|
|
$aImg->FilledRectangle($this->rect->x,$this->rect->y,$this->rect->xe,$this->rect->ye);
|
|
}
|
|
|
|
$aImg->SetColor($this->color);
|
|
$aImg->SetLineWeight($this->weight);
|
|
|
|
// Virtual function implemented by subclass
|
|
$this->DoPattern($aImg);
|
|
|
|
// Frame around the pattern area
|
|
if( $this->doframe )
|
|
$aImg->Rectangle($this->rect->x,$this->rect->y,$this->rect->xe,$this->rect->ye);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
//=====================================================================
|
|
// Class RectPatternSolid
|
|
// Implements a solid band
|
|
//=====================================================================
|
|
class RectPatternSolid extends RectPattern {
|
|
|
|
function RectPatternSolid($aColor="black",$aWeight=1) {
|
|
parent::RectPattern($aColor,$aWeight);
|
|
}
|
|
|
|
function DoPattern(&$aImg) {
|
|
$aImg->SetColor($this->color);
|
|
$aImg->FilledRectangle($this->rect->x,$this->rect->y,
|
|
$this->rect->xe,$this->rect->ye);
|
|
}
|
|
}
|
|
|
|
//=====================================================================
|
|
// Class RectPatternHor
|
|
// Implements horizontal line pattern
|
|
//=====================================================================
|
|
class RectPatternHor extends RectPattern {
|
|
|
|
function RectPatternHor($aColor="black",$aWeight=1,$aLineSpacing=7) {
|
|
parent::RectPattern($aColor,$aWeight);
|
|
$this->linespacing = $aLineSpacing;
|
|
}
|
|
|
|
function DoPattern(&$aImg) {
|
|
$x0 = $this->rect->x;
|
|
$x1 = $this->rect->xe;
|
|
$y = $this->rect->y;
|
|
while( $y < $this->rect->ye ) {
|
|
$aImg->Line($x0,$y,$x1,$y);
|
|
$y += $this->linespacing;
|
|
}
|
|
}
|
|
}
|
|
|
|
//=====================================================================
|
|
// Class RectPatternVert
|
|
// Implements vertical line pattern
|
|
//=====================================================================
|
|
class RectPatternVert extends RectPattern {
|
|
var $linespacing=10; // Line spacing in pixels
|
|
|
|
function RectPatternVert($aColor="black",$aWeight=1,$aLineSpacing=7) {
|
|
parent::RectPattern($aColor,$aWeight);
|
|
$this->linespacing = $aLineSpacing;
|
|
}
|
|
|
|
//--------------------
|
|
// Private methods
|
|
//
|
|
function DoPattern(&$aImg) {
|
|
$x = $this->rect->x;
|
|
$y0 = $this->rect->y;
|
|
$y1 = $this->rect->ye;
|
|
while( $x < $this->rect->xe ) {
|
|
$aImg->Line($x,$y0,$x,$y1);
|
|
$x += $this->linespacing;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//=====================================================================
|
|
// Class RectPatternRDiag
|
|
// Implements right diagonal pattern
|
|
//=====================================================================
|
|
class RectPatternRDiag extends RectPattern {
|
|
var $linespacing; // Line spacing in pixels
|
|
|
|
function RectPatternRDiag($aColor="black",$aWeight=1,$aLineSpacing=12) {
|
|
parent::RectPattern($aColor,$aWeight);
|
|
$this->linespacing = $aLineSpacing;
|
|
}
|
|
|
|
function DoPattern(&$aImg) {
|
|
// --------------------
|
|
// | / / / / /|
|
|
// |/ / / / / |
|
|
// | / / / / |
|
|
// --------------------
|
|
$xe = $this->rect->xe;
|
|
$ye = $this->rect->ye;
|
|
$x0 = $this->rect->x + round($this->linespacing/2);
|
|
$y0 = $this->rect->y;
|
|
$x1 = $this->rect->x;
|
|
$y1 = $this->rect->y + round($this->linespacing/2);
|
|
|
|
while($x0<=$xe && $y1<=$ye) {
|
|
$aImg->Line($x0,$y0,$x1,$y1);
|
|
$x0 += $this->linespacing;
|
|
$y1 += $this->linespacing;
|
|
}
|
|
|
|
if( $xe-$x1 > $ye-$y0 ) {
|
|
// Width larger than height
|
|
$x1 = $this->rect->x + ($y1-$ye);
|
|
$y1 = $ye;
|
|
$y0 = $this->rect->y;
|
|
while( $x0 <= $xe ) {
|
|
$aImg->Line($x0,$y0,$x1,$y1);
|
|
$x0 += $this->linespacing;
|
|
$x1 += $this->linespacing;
|
|
}
|
|
|
|
$y0=$this->rect->y + ($x0-$xe);
|
|
$x0=$xe;
|
|
}
|
|
else {
|
|
// Height larger than width
|
|
$diff = $x0-$xe;
|
|
$y0 = $diff+$this->rect->y;
|
|
$x0 = $xe;
|
|
$x1 = $this->rect->x;
|
|
while( $y1 <= $ye ) {
|
|
$aImg->Line($x0,$y0,$x1,$y1);
|
|
$y1 += $this->linespacing;
|
|
$y0 += $this->linespacing;
|
|
}
|
|
|
|
$diff = $y1-$ye;
|
|
$y1 = $ye;
|
|
$x1 = $diff + $this->rect->x;
|
|
}
|
|
|
|
while( $y0 <= $ye ) {
|
|
$aImg->Line($x0,$y0,$x1,$y1);
|
|
$y0 += $this->linespacing;
|
|
$x1 += $this->linespacing;
|
|
}
|
|
}
|
|
}
|
|
|
|
//=====================================================================
|
|
// Class RectPatternLDiag
|
|
// Implements left diagonal pattern
|
|
//=====================================================================
|
|
class RectPatternLDiag extends RectPattern {
|
|
var $linespacing; // Line spacing in pixels
|
|
|
|
function RectPatternLDiag($aColor="black",$aWeight=1,$aLineSpacing=12) {
|
|
$this->linespacing = $aLineSpacing;
|
|
parent::RectPattern($aColor,$aWeight);
|
|
}
|
|
|
|
function DoPattern(&$aImg) {
|
|
// --------------------
|
|
// |\ \ \ \ \ |
|
|
// | \ \ \ \ \|
|
|
// | \ \ \ \ |
|
|
// |------------------|
|
|
$xe = $this->rect->xe;
|
|
$ye = $this->rect->ye;
|
|
$x0 = $this->rect->x + round($this->linespacing/2);
|
|
$y0 = $this->rect->ye;
|
|
$x1 = $this->rect->x;
|
|
$y1 = $this->rect->ye - round($this->linespacing/2);
|
|
|
|
while($x0<=$xe && $y1>=$this->rect->y) {
|
|
$aImg->Line($x0,$y0,$x1,$y1);
|
|
$x0 += $this->linespacing;
|
|
$y1 -= $this->linespacing;
|
|
}
|
|
if( $xe-$x1 > $ye-$this->rect->y ) {
|
|
// Width larger than height
|
|
$x1 = $this->rect->x + ($this->rect->y-$y1);
|
|
$y0=$ye; $y1=$this->rect->y;
|
|
while( $x0 <= $xe ) {
|
|
$aImg->Line($x0,$y0,$x1,$y1);
|
|
$x0 += $this->linespacing;
|
|
$x1 += $this->linespacing;
|
|
}
|
|
|
|
$y0=$this->rect->ye - ($x0-$xe);
|
|
$x0=$xe;
|
|
}
|
|
else {
|
|
// Height larger than width
|
|
$diff = $x0-$xe;
|
|
$y0 = $ye-$diff;
|
|
$x0 = $xe;
|
|
while( $y1 >= $this->rect->y ) {
|
|
$aImg->Line($x0,$y0,$x1,$y1);
|
|
$y0 -= $this->linespacing;
|
|
$y1 -= $this->linespacing;
|
|
}
|
|
$diff = $this->rect->y - $y1;
|
|
$x1 = $this->rect->x + $diff;
|
|
$y1 = $this->rect->y;
|
|
}
|
|
while( $y0 >= $this->rect->y ) {
|
|
$aImg->Line($x0,$y0,$x1,$y1);
|
|
$y0 -= $this->linespacing;
|
|
$x1 += $this->linespacing;
|
|
}
|
|
}
|
|
}
|
|
|
|
//=====================================================================
|
|
// Class RectPattern3DPlane
|
|
// Implements "3D" plane pattern
|
|
//=====================================================================
|
|
class RectPattern3DPlane extends RectPattern {
|
|
var $alpha=50; // Parameter that specifies the distance
|
|
// to "simulated" horizon in pixel from the
|
|
// top of the band. Specifies how fast the lines
|
|
// converge.
|
|
|
|
function RectPattern3DPlane($aColor="black",$aWeight=1) {
|
|
parent::RectPattern($aColor,$aWeight);
|
|
$this->SetDensity(10); // Slightly larger default
|
|
}
|
|
|
|
function SetHorizon($aHorizon) {
|
|
$this->alpha=$aHorizon;
|
|
}
|
|
|
|
function DoPattern(&$aImg) {
|
|
// "Fake" a nice 3D grid-effect.
|
|
$x0 = $this->rect->x + $this->rect->w/2;
|
|
$y0 = $this->rect->y;
|
|
$x1 = $x0;
|
|
$y1 = $this->rect->ye;
|
|
$x0_right = $x0;
|
|
$x1_right = $x1;
|
|
|
|
// BTW "apa" means monkey in Swedish but is really a shortform for
|
|
// "alpha+a" which was the labels I used on paper when I derived the
|
|
// geometric to get the 3D perspective right.
|
|
// $apa is the height of the bounding rectangle plus the distance to the
|
|
// artifical horizon (alpha)
|
|
$apa = $this->rect->h + $this->alpha;
|
|
|
|
// Three cases and three loops
|
|
// 1) The endpoint of the line ends on the bottom line
|
|
// 2) The endpoint ends on the side
|
|
// 3) Horizontal lines
|
|
|
|
// Endpoint falls on bottom line
|
|
$middle=$this->rect->x + $this->rect->w/2;
|
|
$dist=$this->linespacing;
|
|
$factor=$this->alpha /($apa);
|
|
while($x1>$this->rect->x) {
|
|
$aImg->Line($x0,$y0,$x1,$y1);
|
|
$aImg->Line($x0_right,$y0,$x1_right,$y1);
|
|
$x1 = $middle - $dist;
|
|
$x0 = $middle - $dist * $factor;
|
|
$x1_right = $middle + $dist;
|
|
$x0_right = $middle + $dist * $factor;
|
|
$dist += $this->linespacing;
|
|
}
|
|
|
|
// Endpoint falls on sides
|
|
$dist -= $this->linespacing;
|
|
$d=$this->rect->w/2;
|
|
$c = $apa - $d*$apa/$dist;
|
|
while( $x0>$this->rect->x ) {
|
|
$aImg->Line($x0,$y0,$this->rect->x,$this->rect->ye-$c);
|
|
$aImg->Line($x0_right,$y0,$this->rect->xe,$this->rect->ye-$c);
|
|
$dist += $this->linespacing;
|
|
$x0 = $middle - $dist * $factor;
|
|
$x1 = $middle - $dist;
|
|
$x0_right = $middle + $dist * $factor;
|
|
$c = $apa - $d*$apa/$dist;
|
|
}
|
|
|
|
// Horizontal lines
|
|
// They need some serious consideration since they are a function
|
|
// of perspective depth (alpha) and density (linespacing)
|
|
$x0=$this->rect->x;
|
|
$x1=$this->rect->xe;
|
|
$y=$this->rect->ye;
|
|
|
|
// The first line is drawn directly. Makes the loop below slightly
|
|
// more readable.
|
|
$aImg->Line($x0,$y,$x1,$y);
|
|
$hls = $this->linespacing;
|
|
|
|
// A correction factor for vertical "brick" line spacing to account for
|
|
// a) the difference in number of pixels hor vs vert
|
|
// b) visual apperance to make the first layer of "bricks" look more
|
|
// square.
|
|
$vls = $this->linespacing*0.6;
|
|
|
|
$ds = $hls*($apa-$vls)/$apa;
|
|
// Get the slope for the "perspective line" going from bottom right
|
|
// corner to top left corner of the "first" brick.
|
|
|
|
// Uncomment the following lines if you want to get a visual understanding
|
|
// of what this helpline does. BTW this mimics the way you would get the
|
|
// perspective right when drawing on paper.
|
|
/*
|
|
$x0 = $middle;
|
|
$y0 = $this->rect->ye;
|
|
$len=floor(($this->rect->ye-$this->rect->y)/$vls);
|
|
$x1 = $middle+round($len*$ds);
|
|
$y1 = $this->rect->ye-$len*$vls;
|
|
$aImg->PushColor("red");
|
|
$aImg->Line($x0,$y0,$x1,$y1);
|
|
$aImg->PopColor();
|
|
*/
|
|
|
|
$y -= $vls;
|
|
$k=($this->rect->ye-($this->rect->ye-$vls))/($middle-($middle-$ds));
|
|
$dist = $hls;
|
|
while( $y>$this->rect->y ) {
|
|
$aImg->Line($this->rect->x,$y,$this->rect->xe,$y);
|
|
$adj = $k*$dist/(1+$dist*$k/$apa);
|
|
if( $adj < 2 ) $adj=1;
|
|
$y = $this->rect->ye - round($adj);
|
|
$dist += $hls;
|
|
}
|
|
}
|
|
}
|
|
|
|
//=====================================================================
|
|
// Class RectPatternCross
|
|
// Vert/Hor crosses
|
|
//=====================================================================
|
|
class RectPatternCross extends RectPattern {
|
|
var $vert=null;
|
|
var $hor=null;
|
|
function RectPatternCross($aColor="black",$aWeight=1) {
|
|
parent::RectPattern($aColor,$aWeight);
|
|
$this->vert = new RectPatternVert($aColor,$aWeight);
|
|
$this->hor = new RectPatternHor($aColor,$aWeight);
|
|
}
|
|
|
|
function SetOrder($aDepth) {
|
|
$this->vert->SetOrder($aDepth);
|
|
$this->hor->SetOrder($aDepth);
|
|
}
|
|
|
|
function SetPos(&$aRect) {
|
|
parent::SetPos($aRect);
|
|
$this->vert->SetPos($aRect);
|
|
$this->hor->SetPos($aRect);
|
|
}
|
|
|
|
function SetDensity($aDens) {
|
|
$this->vert->SetDensity($aDens);
|
|
$this->hor->SetDensity($aDens);
|
|
}
|
|
|
|
function DoPattern(&$aImg) {
|
|
$this->vert->DoPattern($aImg);
|
|
$this->hor->DoPattern($aImg);
|
|
}
|
|
}
|
|
|
|
//=====================================================================
|
|
// Class RectPatternDiagCross
|
|
// Vert/Hor crosses
|
|
//=====================================================================
|
|
|
|
class RectPatternDiagCross extends RectPattern {
|
|
var $left=null;
|
|
var $right=null;
|
|
function RectPatternDiagCross($aColor="black",$aWeight=1) {
|
|
parent::RectPattern($aColor,$aWeight);
|
|
$this->right = new RectPatternRDiag($aColor,$aWeight);
|
|
$this->left = new RectPatternLDiag($aColor,$aWeight);
|
|
}
|
|
|
|
function SetOrder($aDepth) {
|
|
$this->left->SetOrder($aDepth);
|
|
$this->right->SetOrder($aDepth);
|
|
}
|
|
|
|
function SetPos(&$aRect) {
|
|
parent::SetPos($aRect);
|
|
$this->left->SetPos($aRect);
|
|
$this->right->SetPos($aRect);
|
|
}
|
|
|
|
function SetDensity($aDens) {
|
|
$this->left->SetDensity($aDens);
|
|
$this->right->SetDensity($aDens);
|
|
}
|
|
|
|
function DoPattern(&$aImg) {
|
|
$this->left->DoPattern($aImg);
|
|
$this->right->DoPattern($aImg);
|
|
}
|
|
|
|
}
|
|
|
|
//=====================================================================
|
|
// Class RectPatternFactory
|
|
// Factory class for rectangular pattern
|
|
//=====================================================================
|
|
class RectPatternFactory {
|
|
function RectPatternFactory() {
|
|
// Empty
|
|
}
|
|
function Create($aPattern,$aColor,$aWeight=1) {
|
|
switch($aPattern) {
|
|
case BAND_RDIAG:
|
|
$obj = new RectPatternRDiag($aColor,$aWeight);
|
|
break;
|
|
case BAND_LDIAG:
|
|
$obj = new RectPatternLDiag($aColor,$aWeight);
|
|
break;
|
|
case BAND_SOLID:
|
|
$obj = new RectPatternSolid($aColor,$aWeight);
|
|
break;
|
|
case BAND_VLINE:
|
|
$obj = new RectPatternVert($aColor,$aWeight);
|
|
break;
|
|
case BAND_HLINE:
|
|
$obj = new RectPatternHor($aColor,$aWeight);
|
|
break;
|
|
case BAND_3DPLANE:
|
|
$obj = new RectPattern3DPlane($aColor,$aWeight);
|
|
break;
|
|
case BAND_HVCROSS:
|
|
$obj = new RectPatternCross($aColor,$aWeight);
|
|
break;
|
|
case BAND_DIAGCROSS:
|
|
$obj = new RectPatternDiagCross($aColor,$aWeight);
|
|
break;
|
|
default:
|
|
JpGraphError::RaiseL(16003,$aPattern);
|
|
//(" Unknown pattern specification ($aPattern)");
|
|
}
|
|
return $obj;
|
|
}
|
|
}
|
|
|
|
|
|
//=====================================================================
|
|
// Class PlotBand
|
|
// Factory class which is used by the client.
|
|
// It is responsible for factoring the corresponding pattern
|
|
// concrete class.
|
|
//=====================================================================
|
|
class PlotBand {
|
|
var $prect=null;
|
|
var $depth;
|
|
var $dir, $min, $max;
|
|
|
|
function PlotBand($aDir,$aPattern,$aMin,$aMax,$aColor="black",$aWeight=1,$aDepth=DEPTH_BACK) {
|
|
$f = new RectPatternFactory();
|
|
$this->prect = $f->Create($aPattern,$aColor,$aWeight);
|
|
if( is_numeric($aMin) && is_numeric($aMax) && ($aMin > $aMax) )
|
|
JpGraphError::RaiseL(16004);
|
|
//('Min value for plotband is larger than specified max value. Please correct.');
|
|
$this->dir = $aDir;
|
|
$this->min = $aMin;
|
|
$this->max = $aMax;
|
|
$this->depth=$aDepth;
|
|
}
|
|
|
|
// Set position. aRect contains absolute image coordinates
|
|
function SetPos(&$aRect) {
|
|
assert( $this->prect != null ) ;
|
|
$this->prect->SetPos($aRect);
|
|
}
|
|
|
|
function ShowFrame($aFlag=true) {
|
|
$this->prect->ShowFrame($aFlag);
|
|
}
|
|
|
|
// Set z-order. In front of pplot or in the back
|
|
function SetOrder($aDepth) {
|
|
$this->depth=$aDepth;
|
|
}
|
|
|
|
function SetDensity($aDens) {
|
|
$this->prect->SetDensity($aDens);
|
|
}
|
|
|
|
function GetDir() {
|
|
return $this->dir;
|
|
}
|
|
|
|
function GetMin() {
|
|
return $this->min;
|
|
}
|
|
|
|
function GetMax() {
|
|
return $this->max;
|
|
}
|
|
|
|
// Display band
|
|
function Stroke(&$aImg,&$aXScale,&$aYScale) {
|
|
assert( $this->prect != null ) ;
|
|
if( $this->dir == HORIZONTAL ) {
|
|
if( $this->min === 'min' ) $this->min = $aYScale->GetMinVal();
|
|
if( $this->max === 'max' ) $this->max = $aYScale->GetMaxVal();
|
|
|
|
// Only draw the bar if it actually appears in the range
|
|
if ($this->min < $aYScale->GetMaxVal() && $this->max > $aYScale->GetMinVal()) {
|
|
|
|
// Trucate to limit of axis
|
|
$this->min = max($this->min, $aYScale->GetMinVal());
|
|
$this->max = min($this->max, $aYScale->GetMaxVal());
|
|
|
|
$x=$aXScale->scale_abs[0];
|
|
$y=$aYScale->Translate($this->max);
|
|
$width=$aXScale->scale_abs[1]-$aXScale->scale_abs[0]+1;
|
|
$height=abs($y-$aYScale->Translate($this->min))+1;
|
|
$this->prect->SetPos(new Rectangle($x,$y,$width,$height));
|
|
$this->prect->Stroke($aImg);
|
|
}
|
|
}
|
|
else { // VERTICAL
|
|
if( $this->min === 'min' ) $this->min = $aXScale->GetMinVal();
|
|
if( $this->max === 'max' ) $this->max = $aXScale->GetMaxVal();
|
|
|
|
// Only draw the bar if it actually appears in the range
|
|
if ($this->min < $aXScale->GetMaxVal() && $this->max > $aXScale->GetMinVal()) {
|
|
|
|
// Trucate to limit of axis
|
|
$this->min = max($this->min, $aXScale->GetMinVal());
|
|
$this->max = min($this->max, $aXScale->GetMaxVal());
|
|
|
|
$y=$aYScale->scale_abs[1];
|
|
$x=$aXScale->Translate($this->min);
|
|
$height=abs($aYScale->scale_abs[1]-$aYScale->scale_abs[0]);
|
|
$width=abs($x-$aXScale->Translate($this->max));
|
|
$this->prect->SetPos(new Rectangle($x,$y,$width,$height));
|
|
$this->prect->Stroke($aImg);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
?>
|