iconameter.php

来自「一个绝对棒的报表绘图软件」· PHP 代码 · 共 41 行

<?php
require_once("../lib/phpchartdir.php");

# The value to display on the meter
$value = 85;

# Create an AugularMeter object of size 70 x 90 pixels, using black background with a
# 2 pixel 3D depressed border.
$m = new AngularMeter(70, 90, 0, 0, -2);

#Set directory for loading images to current script directory
#Need when running under Microsoft IIS
$m->setSearchPath(dirname(__FILE__));

# Use white on black color palette for default text and line colors
$m->setColors($whiteOnBlackPalette);

# Set the meter center at (10, 45), with radius 50 pixels, and span from 135 to 45
# degress
$m->setMeter(10, 45, 50, 135, 45);

# Set meter scale from 0 - 100, with the specified labels
$m->setScale2(0, 100, array("E", " ", " ", " ", "F"));

# Set the angular arc and major tick width to 2 pixels
$m->setLineWidth(2, 2);

# Add a red zone at 0 - 15
$m->addZone(0, 15, 0xff3333);

# Add an icon at (25, 35)
$m->addText(25, 35, "<*img=gas.gif*>");

# Add a yellow (ffff00) pointer at the specified value
$m->addPointer($value, 0xffff00);

# output the chart
header("Content-type: image/png");
print($m->makeChart2(PNG));
?>