277 lines
8.9 KiB
PHP
Executable File
277 lines
8.9 KiB
PHP
Executable File
<?php
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class pmGauge
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{
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/**
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* width
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*/
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var $w = 610;
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/**
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* height
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*/
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var $h = 300;
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/**
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* value of gauge
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*/
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var $value = 50;
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/**
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* maxValue
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*/
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var $maxValue = 100;
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/**
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* redFrom
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*/
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var $redFrom = 80;
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/**
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* redTo
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*/
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var $redTo = 100;
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/**
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* yellowFrom
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*/
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var $yellowFrom = 60;
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/**
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* yellowTo
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*/
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var $yellowTo = 80;
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/**
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* greenFrom
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*/
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var $greenFrom = 0;
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/**
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* greenTo
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*/
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var $greenTo = 60;
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/**
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* centerLabel, the label in the middle of the gauge
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*/
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var $centerLabel = '';
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function render ()
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{
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$this->h = $this->w / 2;
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$im = imagecreatetruecolor( $this->w, $this->h );
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$width = $this->w;
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$height = $this->h;
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$center_x = intval( $width / 2 );
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$center_y = intval( $height / 2 );
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//gauge color
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$bgcolor = ImageColorAllocate( $im, 247, 247, 247 );
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$extRing = ImageColorAllocate( $im, 214, 214, 214 );
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$blueRing = ImageColorAllocate( $im, 70, 132, 238 );
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$blueRingLine = ImageColorAllocate( $im, 106, 114, 127 );
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$arrowBody = ImageColorAllocate( $im, 228, 114, 86 );
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$arrowLine = ImageColorAllocate( $im, 207, 74, 42 );
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$redArc = ImageColorAllocate( $im, 220, 57, 18 );
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$yellowArc = ImageColorAllocate( $im, 255, 153, 0 );
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$black = ImageColorAllocate( $im, 0, 0, 0 );
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$white = ImageColorAllocate( $im, 255, 255, 255 );
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$gray = ImageColorAllocate( $im, 190, 190, 190 );
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$fontArial = PATH_THIRDPARTY . 'html2ps_pdf/fonts/arial.ttf';
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ImageFilledRectangle( $im, 0, 0, $width - 1, $height - 1, $white );
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ImageRectangle( $im, 0, 0, $width - 1, $height - 1, $gray );
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//center coords
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$cX = intval( $this->w / 2 );
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//$cX = intval($this->w /4);
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$cY = intval( $this->h / 2 );
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//diameter for gauge
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$diameter = intval( $this->h * 4 / 5 );
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$this->renderGauge( $im, $cX, $cY, $diameter );
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/*
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//center coords
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$cX = intval($this->w * 3/4);
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$cY = intval($this->h /2);
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//diameter for gauge
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$diameter = intval( $this->h * 4/5 );
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$this->renderGauge($im, $cX, $cY, $diameter);
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*/
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Header( "Content-type: image/png" );
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ImagePng( $im );
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}
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function renderGauge ($im, $cX, $cY, $diameter)
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{
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//gauge color
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$bgcolor = ImageColorAllocate( $im, 247, 247, 247 );
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$extRing = ImageColorAllocate( $im, 214, 214, 214 );
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$blueRing = ImageColorAllocate( $im, 70, 132, 238 );
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$blueRingLine = ImageColorAllocate( $im, 106, 114, 127 );
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$arrowBody = ImageColorAllocate( $im, 228, 114, 86 );
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$arrowLine = ImageColorAllocate( $im, 207, 74, 42 );
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$redArc = ImageColorAllocate( $im, 220, 57, 18 );
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$yellowArc = ImageColorAllocate( $im, 255, 153, 0 );
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$greenArc = ImageColorAllocate( $im, 0, 136, 0 );
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$black = ImageColorAllocate( $im, 0, 0, 0 );
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$white = ImageColorAllocate( $im, 255, 255, 255 );
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$gray = ImageColorAllocate( $im, 190, 190, 190 );
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$fontArial = PATH_THIRDPARTY . 'html2ps_pdf/fonts/arial.ttf';
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$dX = intval( $diameter * 8 / 7 ); //for now ratio aspect is 8:7
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$dY = intval( $diameter );
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$dXRing = intval( $dX * 0.90 );
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$dYRing = intval( $dY * 0.90 );
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$dXRingColor = intval( $dX * 0.86 );
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$dYRingColor = intval( $dY * 0.86 );
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$dXRingCenter = intval( $dX * 0.66 );
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$dYRingCenter = intval( $dY * 0.66 );
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imagefilledellipse( $im, $cX, $cY, $dX, $dY, $extRing );
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imagefilledellipse( $im, $cX, $cY, $dXRing, $dYRing, $bgcolor );
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//drawing the red arc
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if ($this->redFrom > $this->maxValue)
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$this->redFrom = $this->maxValue;
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if ($this->redTo > $this->maxValue)
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$this->redTo = $this->maxValue;
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if ($this->yellowFrom > $this->maxValue)
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$this->yellowFrom = $this->maxValue;
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if ($this->yellowTo > $this->maxValue)
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$this->yellowTo = $this->maxValue;
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if ($this->greenFrom > $this->maxValue)
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$this->greenFrom = $this->maxValue;
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if ($this->greenTo > $this->maxValue)
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$this->greenTo = $this->maxValue;
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$redFrom = $this->redFrom / $this->maxValue * 300 - 240;
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$redTo = $this->redTo / $this->maxValue * 300 - 240;
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$yellowFrom = $this->yellowFrom / $this->maxValue * 300 - 240;
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$yellowTo = $this->yellowTo / $this->maxValue * 300 - 240;
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$greenFrom = $this->greenFrom / $this->maxValue * 300 - 240;
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$greenTo = $this->greenTo / $this->maxValue * 300 - 240;
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if ($this->redFrom != $this->redTo || $this->redTo != $this->maxValue) {
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imagefilledarc( $im, $cX, $cY, $dXRingColor, $dYRingColor, $redFrom, $redTo, $redArc, IMG_ARC_PIE );
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}
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if ($this->yellowFrom != $this->yellowTo || $this->yellowTo != $this->maxValue) {
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imagefilledarc( $im, $cX, $cY, $dXRingColor, $dYRingColor, $yellowFrom, $yellowTo, $yellowArc, IMG_ARC_PIE );
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}
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if ($this->greenFrom != $this->greenTo || $this->greenTo != $this->maxValue) {
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imagefilledarc( $im, $cX, $cY, $dXRingColor, $dYRingColor, $greenFrom, $greenTo, $greenArc, IMG_ARC_PIE );
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}
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imagefilledellipse( $im, $cX, $cY, $dXRingCenter, $dYRingCenter, $bgcolor );
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//ticks
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$radiusX = intval( $dX * 0.42 );
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$radiusY = intval( $dY * 0.42 );
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$min = 5;
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while ($min <= 55) {
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if ($min % 5 == 0)
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$len = $radiusX / 8;
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else
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$len = $radiusX / 25;
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$ang = (2 * M_PI * $min) / 60;
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$x1 = sin( $ang ) * ($radiusX - $len) + $cX;
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$y1 = cos( $ang ) * ($radiusY - $len) + $cY;
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$x2 = sin( $ang ) * $radiusX + $cX;
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$y2 = cos( $ang ) * $radiusY + $cY;
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ImageLine( $im, $x1, $y1, $x2, $y2, $black );
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if ($min % 5 == 0) {
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$textToDisplay = sprintf( "%d", (55 - $min) * $this->maxValue / 50 );
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$bbox = imagettfbbox( 8, 0, $fontArial, $textToDisplay );
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$x1 = sin( $ang ) * ($radiusX - 2.5 * $len) + $cX - $bbox[4] / 2;
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$y1 = cos( $ang ) * ($radiusY - 2.5 * $len) + $cY + 2; // - abs($bbox[5]);
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imagettftext( $im, 8, 0, $x1, $y1, $gray, $fontArial, $textToDisplay );
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}
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$min ++;
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}
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if (trim( $this->centerLabel ) != '') {
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$textToDisplay = trim( $this->centerLabel );
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$bbox = imagettfbbox( 8, 0, $fontArial, $textToDisplay );
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$x1 = $cX - $bbox[4] / 2;
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$y1 = $cY * 3 / 4 + abs( $bbox[5] );
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imagettftext( $im, 8, 0, $x1, $y1, $black, $fontArial, $textToDisplay );
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}
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imagettftext( $im, 9, 0, $cX * 0.60, $cY * 1.8, $gray, $fontArial, $this->open );
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imagettftext( $im, 9, 0, $cX * 1.40, $cY * 1.8, $gray, $fontArial, $this->completed );
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//drawing the arrow, simple way
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$radiusX = intval( $dX * 0.35 );
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$radiusY = intval( $dY * 0.35 );
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$ang = - M_PI / 6 + 2 * M_PI - (2 * M_PI * $this->value) * 50 / 60 / $this->maxValue;
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$x1 = sin( $ang ) * ($radiusX) + $cX;
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$y1 = cos( $ang ) * ($radiusY) + $cY;
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ImageLine( $im, $cX, $cY, $x1, $y1, $arrowLine );
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/*
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//arrowLine
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$arrowHeight = intval($dY * 0.02);
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$arrowWidth = intval($dX * 0.35);
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$arrowTail = intval($dX * 0.15);
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$values = array(
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0, -$arrowHeight,
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-$arrowTail, 0,
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0, $arrowHeight,
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$arrowWidth, 0,
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0, -$arrowHeight
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);
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//rotate n degrees
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$n = 20;
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$ang = (2 * M_PI * $n) / 60;
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foreach ( $values as $k => $val ) {
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if ( $k % 2 == 0 ) {
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//$values[$k] = sin($ang)*$val + 20;
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$values[$k] = sin($ang)*($val/$cX)*$;
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$values[$k] += $cX;
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}
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else {
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//$ys = intval(sin($sec * M_PI/30 - M_PI/2) * R);
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//$values[$k] = intval(sin($n * M_PI/30 - M_PI/2) *$val);
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$values[$k] = (cos($ang))*($val/$cY)*$cY;
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$values[$k] += $cY;
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}
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}
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imagefilledpolygon ($im, $values, 5, $arrowBody);
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imagepolygon ($im, $values, 5, $arrowLine);
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*/
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//blue ring
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$dXBlueRing = $dX * 0.07;
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$dYBlueRing = $dY * 0.07;
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imagefilledellipse( $im, $cX, $cY, $dXBlueRing, $dXBlueRing, $blueRing );
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imageellipse( $im, $cX, $cY, $dXBlueRing, $dYBlueRing, $blueRingLine );
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imageellipse( $im, $cX, $cY, $dX, $dY, $black );
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$textToDisplay = sprintf( "%5.2f%%", $this->value );
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$bbox = imagettfbbox( 9, 0, $fontArial, $textToDisplay );
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$centerX = $cX - $bbox[4] / 2;
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$centerY = $cY + $dYRing / 2 + 3 - abs( $bbox[5] );
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imagettftext( $im, 9, 0, $centerX, $centerY, $black, $fontArial, $textToDisplay );
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}
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} |