mirror of
https://bitbucket.org/jsuto/piler.git
synced 2024-11-09 02:31:59 +01:00
444 lines
11 KiB
PHP
444 lines
11 KiB
PHP
<?php
|
|
/* Libchart - PHP chart library
|
|
* Copyright (C) 2005-2010 Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
|
|
*
|
|
* 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* The plot holds graphical attributes, and is responsible for computing the layout of the graph.
|
|
* The layout is quite simple right now, with 4 areas laid out like that:
|
|
* (of course this is subject to change in the future).
|
|
*
|
|
* output area------------------------------------------------|
|
|
* | (outer padding) |
|
|
* | image area--------------------------------------------| |
|
|
* | | (title padding) | |
|
|
* | | title area----------------------------------------| | |
|
|
* | | |-------------------------------------------------| | |
|
|
* | | | |
|
|
* | | (graph padding) (caption padding) | |
|
|
* | | graph area----------------| caption area---------| | |
|
|
* | | | | | | | |
|
|
* | | | | | | | |
|
|
* | | | | | | | |
|
|
* | | | | | | | |
|
|
* | | | | | | | |
|
|
* | | |-------------------------| |--------------------| | |
|
|
* | | | |
|
|
* | |-----------------------------------------------------| |
|
|
* | |
|
|
* |----------------------------------------------------------|
|
|
*
|
|
* All area dimensions are known in advance , and the optional logo is drawn in absolute coordinates.
|
|
*
|
|
* @author Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
|
|
* Created on 27 july 2007
|
|
*/
|
|
class Plot {
|
|
// Style properties
|
|
protected $title;
|
|
|
|
/**
|
|
* Location of the logo. Can be overriden to your personalized logo.
|
|
*/
|
|
protected $logoFileName;
|
|
|
|
/**
|
|
* Outer area, whose dimension is the same as the PNG returned.
|
|
*/
|
|
protected $outputArea;
|
|
|
|
/**
|
|
* Outer padding surrounding the whole image, everything outside is blank.
|
|
*/
|
|
protected $outerPadding;
|
|
|
|
/**
|
|
* Coordinates of the area inside the outer padding.
|
|
*/
|
|
protected $imageArea;
|
|
|
|
/**
|
|
* Fixed title height in pixels.
|
|
*/
|
|
protected $titleHeight;
|
|
|
|
/**
|
|
* Padding of the title area.
|
|
*/
|
|
protected $titlePadding;
|
|
|
|
/**
|
|
* Coordinates of the title area.
|
|
*/
|
|
protected $titleArea;
|
|
|
|
/**
|
|
* True if the plot has a caption.
|
|
*/
|
|
protected $hasCaption;
|
|
|
|
/**
|
|
* Ratio of graph/caption in width.
|
|
*/
|
|
protected $graphCaptionRatio;
|
|
|
|
/**
|
|
* Padding of the graph area.
|
|
*/
|
|
protected $graphPadding;
|
|
|
|
/**
|
|
* Coordinates of the graph area.
|
|
*/
|
|
protected $graphArea;
|
|
|
|
/**
|
|
* Padding of the caption area.
|
|
*/
|
|
protected $captionPadding;
|
|
|
|
/**
|
|
* Coordinates of the caption area.
|
|
*/
|
|
protected $captionArea;
|
|
|
|
/**
|
|
* Text writer.
|
|
*/
|
|
protected $text;
|
|
|
|
/**
|
|
* Color palette.
|
|
*/
|
|
protected $palette;
|
|
|
|
/**
|
|
* GD image
|
|
*/
|
|
protected $img;
|
|
|
|
/**
|
|
* Drawing primitives
|
|
*/
|
|
protected $primitive;
|
|
|
|
protected $backGroundColor;
|
|
protected $textColor;
|
|
|
|
/**
|
|
* Constructor of Plot.
|
|
*
|
|
* @param integer width of the image
|
|
* @param integer height of the image
|
|
*/
|
|
public function Plot($width, $height) {
|
|
$this->width = $width;
|
|
$this->height = $height;
|
|
|
|
$this->text = new Text();
|
|
$this->palette = new Palette();
|
|
|
|
// Default layout
|
|
$this->outputArea = new Rectangle(0, 0, $width - 1, $height - 1);
|
|
$this->outerPadding = new Padding(5);
|
|
$this->titleHeight = 26;
|
|
$this->titlePadding = new Padding(5);
|
|
$this->hasCaption = false;
|
|
$this->graphCaptionRatio = 0.50;
|
|
$this->graphPadding = new Padding(50);
|
|
$this->captionPadding = new Padding(15);
|
|
}
|
|
|
|
/**
|
|
* Compute the area inside the outer padding (outside is white).
|
|
*/
|
|
private function computeImageArea() {
|
|
$this->imageArea = $this->outputArea->getPaddedRectangle($this->outerPadding);
|
|
}
|
|
|
|
/**
|
|
* Compute the title area.
|
|
*/
|
|
private function computeTitleArea() {
|
|
$titleUnpaddedBottom = $this->imageArea->y1 + $this->titleHeight + $this->titlePadding->top + $this->titlePadding->bottom;
|
|
$titleArea = new Rectangle(
|
|
$this->imageArea->x1,
|
|
$this->imageArea->y1,
|
|
$this->imageArea->x2,
|
|
$titleUnpaddedBottom - 1
|
|
);
|
|
$this->titleArea = $titleArea->getPaddedRectangle($this->titlePadding);
|
|
}
|
|
|
|
/**
|
|
* Compute the graph area.
|
|
*/
|
|
private function computeGraphArea() {
|
|
$titleUnpaddedBottom = $this->imageArea->y1 + $this->titleHeight + $this->titlePadding->top + $this->titlePadding->bottom;
|
|
$graphArea = null;
|
|
if ($this->hasCaption) {
|
|
$graphUnpaddedRight = $this->imageArea->x1 + ($this->imageArea->x2 - $this->imageArea->x1) * $this->graphCaptionRatio
|
|
+ $this->graphPadding->left + $this->graphPadding->right;
|
|
$graphArea = new Rectangle(
|
|
$this->imageArea->x1,
|
|
$titleUnpaddedBottom,
|
|
$graphUnpaddedRight - 1,
|
|
$this->imageArea->y2
|
|
);
|
|
} else {
|
|
$graphArea = new Rectangle(
|
|
$this->imageArea->x1+70,
|
|
$titleUnpaddedBottom,
|
|
$this->imageArea->x2,
|
|
$this->imageArea->y2
|
|
);
|
|
}
|
|
$this->graphArea = $graphArea->getPaddedRectangle($this->graphPadding);
|
|
}
|
|
|
|
/**
|
|
* Compute the caption area.
|
|
*/
|
|
private function computeCaptionArea() {
|
|
$graphUnpaddedRight = $this->imageArea->x1 + ($this->imageArea->x2 - $this->imageArea->x1) * $this->graphCaptionRatio
|
|
+ $this->graphPadding->left + $this->graphPadding->right;
|
|
$titleUnpaddedBottom = $this->imageArea->y1 + $this->titleHeight + $this->titlePadding->top + $this->titlePadding->bottom;
|
|
$captionArea = new Rectangle(
|
|
$graphUnpaddedRight,
|
|
$titleUnpaddedBottom,
|
|
$this->imageArea->x2,
|
|
$this->imageArea->y2
|
|
);
|
|
$this->captionArea = $captionArea->getPaddedRectangle($this->captionPadding);
|
|
}
|
|
|
|
/**
|
|
* Compute the layout of all areas of the graph.
|
|
*/
|
|
public function computeLayout() {
|
|
$this->computeImageArea();
|
|
$this->computeTitleArea();
|
|
$this->computeGraphArea();
|
|
if ($this->hasCaption) {
|
|
$this->computeCaptionArea();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates and initialize the image.
|
|
*/
|
|
public function createImage() {
|
|
$this->img = imagecreatetruecolor($this->width, $this->height);
|
|
|
|
$this->primitive = new Primitive($this->img);
|
|
|
|
$this->backGroundColor = new Color(255, 255, 255);
|
|
$this->textColor = new Color(0, 0, 0);
|
|
|
|
// White background
|
|
imagefilledrectangle($this->img, 0, 0, $this->width - 1, $this->height - 1, $this->backGroundColor->getColor($this->img));
|
|
|
|
//imagerectangle($this->img, $this->imageArea->x1, $this->imageArea->y1, $this->imageArea->x2, $this->imageArea->y2, $this->palette->red->getColor($this->img));
|
|
}
|
|
|
|
/**
|
|
* Print the title to the image.
|
|
*/
|
|
public function printTitle() {
|
|
$yCenter = $this->titleArea->y1 + ($this->titleArea->y2 - $this->titleArea->y1) / 2;
|
|
$this->text->printCentered($this->img, $yCenter, $this->textColor, $this->title, $this->text->fontCondensedBold);
|
|
}
|
|
|
|
/**
|
|
* Print the logo image to the image.
|
|
*/
|
|
public function printLogo() {
|
|
@$logoImage = imageCreateFromPNG($this->logoFileName);
|
|
|
|
if ($logoImage) {
|
|
imagecopymerge($this->img, $logoImage, 2 * $this->outerPadding->left, $this->outerPadding->top, 0, 0, imagesx($logoImage), imagesy($logoImage), 100);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Renders to a file or to standard output.
|
|
*
|
|
* @param fileName File name (optional)
|
|
*/
|
|
public function render($fileName) {
|
|
if (isset($fileName)) {
|
|
imagepng($this->img, $fileName);
|
|
} else {
|
|
imagepng($this->img);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets the title.
|
|
*
|
|
* @param string New title
|
|
*/
|
|
public function setTitle($title) {
|
|
$this->title = $title;
|
|
}
|
|
|
|
/**
|
|
* Sets the logo image file name.
|
|
*
|
|
* @param string New logo image file name
|
|
*/
|
|
public function setLogoFileName($logoFileName) {
|
|
$this->logoFileName = $logoFileName;
|
|
}
|
|
|
|
/**
|
|
* Return the GD image.
|
|
*
|
|
* @return GD Image
|
|
*/
|
|
public function getImg() {
|
|
return $this->img;
|
|
}
|
|
|
|
/**
|
|
* Return the palette.
|
|
*
|
|
* @return palette
|
|
*/
|
|
public function getPalette() {
|
|
return $this->palette;
|
|
}
|
|
|
|
/**
|
|
* Return the text.
|
|
*
|
|
* @return text
|
|
*/
|
|
public function getText() {
|
|
return $this->text;
|
|
}
|
|
|
|
/**
|
|
* Return the primitive.
|
|
*
|
|
* @return primitive
|
|
*/
|
|
public function getPrimitive() {
|
|
return $this->primitive;
|
|
}
|
|
|
|
/**
|
|
* Return the outer padding.
|
|
*
|
|
* @param integer Outer padding value in pixels
|
|
*/
|
|
public function getOuterPadding() {
|
|
return $outerPadding;
|
|
}
|
|
|
|
/**
|
|
* Set the outer padding.
|
|
*
|
|
* @param integer Outer padding value in pixels
|
|
*/
|
|
public function setOuterPadding($outerPadding) {
|
|
$this->outerPadding = $outerPadding;
|
|
}
|
|
|
|
/**
|
|
* Return the title height.
|
|
*
|
|
* @param integer title height
|
|
*/
|
|
public function setTitleHeight($titleHeight) {
|
|
$this->titleHeight = $titleHeight;
|
|
}
|
|
|
|
/**
|
|
* Return the title padding.
|
|
*
|
|
* @param integer title padding
|
|
*/
|
|
public function setTitlePadding($titlePadding) {
|
|
$this->titlePadding = $titlePadding;
|
|
}
|
|
|
|
/**
|
|
* Return the graph padding.
|
|
*
|
|
* @param integer graph padding
|
|
*/
|
|
public function setGraphPadding($graphPadding) {
|
|
$this->graphPadding = $graphPadding;
|
|
}
|
|
|
|
/**
|
|
* Set if the graph has a caption.
|
|
*
|
|
* @param boolean graph has a caption
|
|
*/
|
|
public function setHasCaption($hasCaption) {
|
|
$this->hasCaption = $hasCaption;
|
|
}
|
|
|
|
/**
|
|
* Set the caption padding.
|
|
*
|
|
* @param integer caption padding
|
|
*/
|
|
public function setCaptionPadding($captionPadding) {
|
|
$this->captionPadding = $captionPadding;
|
|
}
|
|
|
|
/**
|
|
* Set the graph/caption ratio.
|
|
*
|
|
* @param integer caption padding
|
|
*/
|
|
public function setGraphCaptionRatio($graphCaptionRatio) {
|
|
$this->graphCaptionRatio = $graphCaptionRatio;
|
|
}
|
|
|
|
/**
|
|
* Return the graph area.
|
|
*
|
|
* @return graph area
|
|
*/
|
|
public function getGraphArea() {
|
|
return $this->graphArea;
|
|
}
|
|
|
|
/**
|
|
* Return the caption area.
|
|
*
|
|
* @return caption area
|
|
*/
|
|
public function getCaptionArea() {
|
|
return $this->captionArea;
|
|
}
|
|
|
|
/**
|
|
* Return the text color.
|
|
*
|
|
* @return text color
|
|
*/
|
|
public function getTextColor() {
|
|
return $this->textColor;
|
|
}
|
|
}
|
|
?>
|