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<?php
/*
** Zabbix
** Copyright (C) 2001-2019 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
/**
* Draws a table containing text or images.
*/
class CImageTextTable {
public $image;
public $fontsize;
public $color;
public $align;
public $x;
public $y;
/**
* Minimal row height. If the height of some row is bigger then given, the $rowheight will be set to this height.
*
* @var int
*/
public $rowheight;
private $table;
private $numrows;
public function __construct($image, $x, $y) {
$this->image = $image;
$this->fontsize = 8;
$this->rowheight = 0;
$this->color = 0;
$this->align = 0;
$this->x = $x;
$this->y = $y;
$this->table = [];
$this->numrows = 0;
}
public function getNumRows() {
return $this->numrows;
}
/**
* Adds a new table cell.
*
* Supported $cell options:
* - marginRight - right margin, defaults to 20
* - image - resource of the image to display in the cell
* - text - text to display in the cell
* - color - text color resource
* - align - text alignment: 0 - left, 1 - center, 2 - right
* - fontsize - text font size
*
* @param int $numrow
* @param array $cell
*/
public function addCell($numrow, array $cell) {
if ($numrow >= $this->numrows) {
$numrow = $this->numrows;
$this->numrows++;
$this->table[$numrow] = [];
}
$this->table[$numrow][] = $cell;
return $this;
}
public function addRow($row) {
$this->table[$this->numrows] = $row;
$this->numrows++;
return $this;
}
public function draw() {
$this->calcRows();
$coly = $this->y;
foreach ($this->table as $row) {
$rowx = $this->x;
foreach ($row as $col) {
$col['marginRight'] = (isset($col['marginRight'])) ? $col['marginRight'] : 20;
// draw image
if (isset($col['image'])) {
$imageWidth = imagesx($col['image']);
$imageHeight = imagesy($col['image']);
imagecopy(
$this->image,
$col['image'],
$rowx,
$coly - $imageHeight + 1,
0,
0,
$imageWidth,
$imageHeight
);
}
// draw text
else {
$text_color = isset($col['color']) ? $col['color'] : $this->color;
$align = $this->align;
if (isset($col['align'])) {
if ($col['align'] == 1) {
$align = floor(($col['width'] - $col['size']['width']) / 2); // center
}
elseif ($col['align'] == 2) {
$align = $col['width'] - $col['size']['width']; // right
}
}
imageText($this->image, $col['fontsize'], 0, $rowx+$align, $coly, $text_color, $col['text']);
}
$rowx += $col['width'] + $col['marginRight'];
$height = $col['height'];
}
$coly += $height;
}
return $this;
}
/**
* Calculates the size of each row and column.
*/
private function calcRows() {
$rowHeight = 0;
$colWidth = [];
foreach ($this->table as $y => $row) {
foreach ($row as $x => $col) {
// calculate size from image
if (isset($col['image'])) {
$dims = [
'width' => imagesx($col['image']),
'height' => imagesy($col['image'])
];
}
// calculate size from text
else {
if (!isset($col['fontsize'])) {
$col['fontsize'] = $this->fontsize;
}
$this->table[$y][$x]['fontsize'] = $col['fontsize'];
$dims = imageTextSize($col['fontsize'], 0, $col['text']);
}
$this->table[$y][$x]['size'] = $dims;
$rowHeight = ($dims['height'] > $rowHeight) ? $dims['height'] : $rowHeight;
if (!isset($colWidth[$x])) {
$colWidth[$x] = $dims['width'];
}
elseif ($dims['width'] > $colWidth[$x]) {
$colWidth[$x] = $dims['width'];
}
}
}
if ($rowHeight < $this->rowheight) {
$rowHeight = $this->rowheight;
}
else {
$this->rowheight = $rowHeight;
}
foreach ($this->table as $y => $row) {
foreach ($row as $x => $col) {
$this->table[$y][$x]['height'] = $rowHeight;
$this->table[$y][$x]['width'] = $colWidth[$x];
}
}
}
}
|
