1336 lines
28 KiB
PHP
Executable File
1336 lines
28 KiB
PHP
Executable File
<?php
|
|
/*
|
|
* This work is hereby released into the Public Domain.
|
|
* To view a copy of the public domain dedication,
|
|
* visit http://creativecommons.org/licenses/publicdomain/ or send a letter to
|
|
* Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
|
|
*
|
|
*/
|
|
|
|
require_once dirname(__FILE__)."/../Driver.class.php";
|
|
|
|
/**
|
|
* Draw your objects
|
|
*
|
|
* @package Artichow
|
|
*/
|
|
|
|
class awGDDriver extends Driver {
|
|
|
|
/**
|
|
* A GD resource
|
|
*
|
|
* @var $resource
|
|
*/
|
|
public $resource;
|
|
|
|
public function __construct() {
|
|
parent::__construct();
|
|
|
|
$this->driverString = 'gd';
|
|
}
|
|
|
|
public function init(awImage $image) {
|
|
|
|
if($this->resource === NULL) {
|
|
|
|
$this->setImageSize($image->width, $image->height);
|
|
|
|
// Create image
|
|
$this->resource = imagecreatetruecolor($this->imageWidth, $this->imageHeight);
|
|
if(!$this->resource) {
|
|
awImage::drawError("Class Image: Unable to create a graph.");
|
|
}
|
|
|
|
imagealphablending($this->resource, TRUE);
|
|
|
|
// Antialiasing is now handled by the Driver object
|
|
$this->setAntiAliasing($image->getAntiAliasing());
|
|
|
|
// Original color
|
|
$this->filledRectangle(
|
|
new awWhite,
|
|
new awLine(
|
|
new awPoint(0, 0),
|
|
new awPoint($this->imageWidth, $this->imageHeight)
|
|
)
|
|
);
|
|
|
|
$shadow = $image->shadow;
|
|
if($shadow !== NULL) {
|
|
$shadow = $shadow->getSpace();
|
|
$p1 = new awPoint($shadow->left, $shadow->top);
|
|
$p2 = new awPoint($this->imageWidth - $shadow->right - 1, $this->imageHeight - $shadow->bottom - 1);
|
|
|
|
|
|
// Draw image background
|
|
$this->filledRectangle($image->getBackground(), new awLine($p1, $p2));
|
|
|
|
// Draw image border
|
|
$image->border->rectangle($this, $p1, $p2);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
public function initFromFile(awFileImage $fileImage, $file) {
|
|
|
|
$image = @getimagesize((string)$file);
|
|
|
|
if($image and in_array($image[2], array(2, 3))) {
|
|
|
|
$fileImage->setSize($image[0], $image[1]);
|
|
|
|
switch($image[2]) {
|
|
|
|
case 2 :
|
|
$this->resource = imagecreatefromjpeg($file);
|
|
break;
|
|
|
|
case 3 :
|
|
$this->resource = imagecreatefrompng($file);
|
|
break;
|
|
|
|
}
|
|
|
|
$this->setImageSize($fileImage->width, $fileImage->height);
|
|
} else {
|
|
awImage::drawError("Class FileImage: Artichow does not support the format of this image (must be in PNG or JPEG)");
|
|
}
|
|
}
|
|
|
|
public function setImageSize($width, $height) {
|
|
|
|
$this->imageWidth = $width;
|
|
$this->imageHeight = $height;
|
|
|
|
}
|
|
|
|
public function setPosition($x, $y) {
|
|
|
|
// Calculate absolute position
|
|
$this->x = round($x * $this->imageWidth - $this->w / 2);
|
|
$this->y = round($y * $this->imageHeight - $this->h / 2);
|
|
|
|
}
|
|
|
|
public function setAbsPosition($x, $y) {
|
|
|
|
$this->x = $x;
|
|
$this->y = $y;
|
|
|
|
}
|
|
|
|
public function movePosition($x, $y) {
|
|
|
|
$this->x += (int)$x;
|
|
$this->y += (int)$y;
|
|
|
|
}
|
|
|
|
public function setSize($w, $h) {
|
|
|
|
// Calcul absolute size
|
|
$this->w = round($w * $this->imageWidth);
|
|
$this->h = round($h * $this->imageHeight);
|
|
|
|
return $this->getSize();
|
|
|
|
}
|
|
|
|
public function setAbsSize($w, $h) {
|
|
|
|
$this->w = $w;
|
|
$this->h = $h;
|
|
|
|
return $this->getSize();
|
|
|
|
}
|
|
|
|
public function getSize() {
|
|
|
|
return array($this->w, $this->h);
|
|
|
|
}
|
|
|
|
public function setAntiAliasing($bool) {
|
|
|
|
if(function_exists('imageantialias')) {
|
|
imageantialias($this->resource, (bool)$bool);
|
|
|
|
$this->antiAliasing = (bool)$bool;
|
|
} elseif ($bool == true) {
|
|
awImage::drawErrorFile('missing-anti-aliasing');
|
|
}
|
|
}
|
|
|
|
public function getColor(awColor $color) {
|
|
|
|
if($color->alpha === 0 or function_exists('imagecolorallocatealpha') === FALSE) {
|
|
$gdColor = imagecolorallocate($this->resource, $color->red, $color->green, $color->blue);
|
|
} else {
|
|
$gdColor = imagecolorallocatealpha($this->resource, $color->red, $color->green, $color->blue, $color->alpha);
|
|
}
|
|
|
|
return $gdColor;
|
|
}
|
|
|
|
public function copyImage(awImage $image, awPoint $p1, awPoint $p2) {
|
|
|
|
list($x1, $y1) = $p1->getLocation();
|
|
list($x2, $y2) = $p2->getLocation();
|
|
|
|
$driver = $image->getDriver();
|
|
imagecopy($this->resource, $driver->resource, $this->x + $x1, $this->y + $y1, 0, 0, $x2 - $x1, $y2 - $y1);
|
|
|
|
}
|
|
|
|
public function copyResizeImage(awImage $image, awPoint $d1, awPoint $d2, awPoint $s1, awPoint $s2, $resample = TRUE) {
|
|
|
|
if($resample) {
|
|
$function = 'imagecopyresampled';
|
|
} else {
|
|
$function = 'imagecopyresized';
|
|
}
|
|
|
|
$driver = $image->getDriver();
|
|
|
|
$function(
|
|
$this->resource,
|
|
$driver->resource,
|
|
$this->x + $d1->x, $this->y + $d1->y,
|
|
$s1->x, $s1->y,
|
|
$d2->x - $d1->x, $d2->y - $d1->y,
|
|
$s2->x - $s1->x, $s2->y - $s1->y
|
|
);
|
|
|
|
}
|
|
|
|
public function string(awText $text, awPoint $point, $width = NULL) {
|
|
|
|
$font = $text->getFont();
|
|
|
|
// Can we deal with that font?
|
|
if($this->isCompatibleWithFont($font) === FALSE) {
|
|
awImage::drawError('Class GDDriver: Incompatible font type (\''.get_class($font).'\')');
|
|
}
|
|
|
|
// Check which FontDriver to use
|
|
if($font instanceof awPHPFont) {
|
|
$fontDriver = $this->phpFontDriver;
|
|
} else {
|
|
$fontDriver = $this->fileFontDriver;
|
|
}
|
|
|
|
if($text->getBackground() !== NULL or $text->border->visible()) {
|
|
|
|
list($left, $right, $top, $bottom) = $text->getPadding();
|
|
|
|
$textWidth = $fontDriver->getTextWidth($text, $this);
|
|
$textHeight = $fontDriver->getTextHeight($text, $this);
|
|
|
|
$x1 = floor($point->x - $left);
|
|
$y1 = floor($point->y - $top);
|
|
$x2 = $x1 + $textWidth + $left + $right;
|
|
$y2 = $y1 + $textHeight + $top + $bottom;
|
|
|
|
$this->filledRectangle(
|
|
$text->getBackground(),
|
|
awLine::build($x1, $y1, $x2, $y2)
|
|
);
|
|
|
|
$text->border->rectangle(
|
|
$this,
|
|
new awPoint($x1 - 1, $y1 - 1),
|
|
new awPoint($x2 + 1, $y2 + 1)
|
|
);
|
|
|
|
}
|
|
|
|
$fontDriver->string($this, $text, $point, $width);
|
|
|
|
}
|
|
|
|
public function point(awColor $color, awPoint $p) {
|
|
|
|
if($p->isHidden() === FALSE) {
|
|
$rgb = $this->getColor($color);
|
|
imagesetpixel($this->resource, $this->x + round($p->x), $this->y + round($p->y), $rgb);
|
|
}
|
|
|
|
}
|
|
|
|
public function line(awColor $color, awLine $line) {
|
|
|
|
if($line->thickness > 0 and $line->isHidden() === FALSE) {
|
|
|
|
$rgb = $this->getColor($color);
|
|
$thickness = $line->thickness;
|
|
|
|
list($p1, $p2) = $line->getLocation();
|
|
|
|
$this->startThickness($thickness);
|
|
|
|
switch($line->getStyle()) {
|
|
|
|
case awLine::SOLID :
|
|
imageline($this->resource, $this->x + round($p1->x), $this->y + round($p1->y), $this->x + round($p2->x), $this->y + round($p2->y), $rgb);
|
|
break;
|
|
|
|
case awLine::DOTTED :
|
|
$size = sqrt(pow($p2->y - $p1->y, 2) + pow($p2->x - $p1->x, 2));
|
|
$cos = ($p2->x - $p1->x) / $size;
|
|
$sin = ($p2->y - $p1->y) / $size;
|
|
for($i = 0; $i <= $size; $i += 2) {
|
|
$p = new awPoint(
|
|
round($i * $cos + $p1->x),
|
|
round($i * $sin + $p1->y)
|
|
);
|
|
$this->point($color, $p);
|
|
}
|
|
break;
|
|
|
|
case awLine::DASHED :
|
|
$width = $p2->x - $p1->x;
|
|
$height = $p2->y - $p1->y;
|
|
$size = sqrt(pow($height, 2) + pow($width, 2));
|
|
|
|
if($size == 0) {
|
|
return;
|
|
}
|
|
|
|
$cos = $width / $size;
|
|
$sin = $height / $size;
|
|
|
|
$functionX = ($width > 0) ? 'min' : 'max';
|
|
$functionY = ($height > 0) ? 'min' : 'max';
|
|
|
|
for($i = 0; $i <= $size; $i += 6) {
|
|
|
|
$t1 = new awPoint(
|
|
round($i * $cos + $p1->x),
|
|
round($i * $sin + $p1->y)
|
|
);
|
|
|
|
$t2 = new awPoint(
|
|
round($functionX(($i + 3) * $cos, $width) + $p1->x),
|
|
round($functionY(($i + 3) * $sin, $height) + $p1->y)
|
|
);
|
|
|
|
$this->line($color, new awLine($t1, $t2));
|
|
|
|
}
|
|
break;
|
|
|
|
}
|
|
|
|
$this->stopThickness($thickness);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
public function arc(awColor $color, awPoint $center, $width, $height, $from, $to) {
|
|
|
|
imagefilledarc(
|
|
$this->resource,
|
|
$this->x + $center->x, $this->y + $center->y,
|
|
$width, $height,
|
|
$from, $to,
|
|
$this->getColor($color),
|
|
IMG_ARC_EDGED | IMG_ARC_NOFILL
|
|
);
|
|
|
|
}
|
|
|
|
public function filledArc(awColor $color, awPoint $center, $width, $height, $from, $to) {
|
|
|
|
imagefilledarc(
|
|
$this->resource,
|
|
$this->x + $center->x, $this->y + $center->y,
|
|
$width, $height,
|
|
$from, $to,
|
|
$this->getColor($color),
|
|
IMG_ARC_PIE
|
|
);
|
|
|
|
}
|
|
|
|
public function ellipse(awColor $color, awPoint $center, $width, $height) {
|
|
|
|
list($x, $y) = $center->getLocation();
|
|
|
|
$rgb = $this->getColor($color);
|
|
imageellipse(
|
|
$this->resource,
|
|
$this->x + $x,
|
|
$this->y + $y,
|
|
$width,
|
|
$height,
|
|
$rgb
|
|
);
|
|
|
|
}
|
|
|
|
public function filledEllipse($background, awPoint $center, $width, $height) {
|
|
|
|
if($background instanceof awColor) {
|
|
|
|
list($x, $y) = $center->getLocation();
|
|
|
|
$rgb = $this->getColor($background);
|
|
|
|
imagefilledellipse(
|
|
$this->resource,
|
|
$this->x + $x,
|
|
$this->y + $y,
|
|
$width,
|
|
$height,
|
|
$rgb
|
|
);
|
|
|
|
} else if($background instanceof awGradient) {
|
|
|
|
list($x, $y) = $center->getLocation();
|
|
|
|
$x1 = $x - round($width / 2);
|
|
$y1 = $y - round($height / 2);
|
|
$x2 = $x1 + $width;
|
|
$y2 = $y1 + $height;
|
|
|
|
$gradientDriver = new awGDGradientDriver($this);
|
|
$gradientDriver->filledEllipse(
|
|
$background,
|
|
$x1, $y1,
|
|
$x2, $y2
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
public function rectangle(awColor $color, awLine $line) {
|
|
|
|
list($p1, $p2) = $line->getLocation();
|
|
|
|
switch($line->getStyle()) {
|
|
|
|
case awLine::SOLID :
|
|
$thickness = $line->getThickness();
|
|
$this->startThickness($thickness);
|
|
$rgb = $this->getColor($color);
|
|
imagerectangle($this->resource, $this->x + $p1->x, $this->y + $p1->y, $this->x + $p2->x, $this->y + $p2->y, $rgb);
|
|
$this->stopThickness($thickness);
|
|
break;
|
|
|
|
default :
|
|
|
|
$side = clone $line;
|
|
|
|
|
|
|
|
// Top side
|
|
$side->setLocation(
|
|
new awPoint($p1->x, $p1->y),
|
|
new awPoint($p2->x, $p1->y)
|
|
);
|
|
$this->line($color, $side);
|
|
|
|
// Right side
|
|
$side->setLocation(
|
|
new awPoint($p2->x, $p1->y),
|
|
new awPoint($p2->x, $p2->y)
|
|
);
|
|
$this->line($color, $side);
|
|
|
|
// Bottom side
|
|
$side->setLocation(
|
|
new awPoint($p1->x, $p2->y),
|
|
new awPoint($p2->x, $p2->y)
|
|
);
|
|
$this->line($color, $side);
|
|
|
|
// Left side
|
|
$side->setLocation(
|
|
new awPoint($p1->x, $p1->y),
|
|
new awPoint($p1->x, $p2->y)
|
|
);
|
|
$this->line($color, $side);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
public function filledRectangle($background, awLine $line) {
|
|
|
|
$p1 = $line->p1;
|
|
$p2 = $line->p2;
|
|
|
|
if($background instanceof awColor) {
|
|
$rgb = $this->getColor($background);
|
|
imagefilledrectangle($this->resource, $this->x + $p1->x, $this->y + $p1->y, $this->x + $p2->x, $this->y + $p2->y, $rgb);
|
|
} else if($background instanceof awGradient) {
|
|
$gradientDriver = new awGDGradientDriver($this);
|
|
$gradientDriver->filledRectangle($background, $p1, $p2);
|
|
}
|
|
|
|
}
|
|
|
|
public function polygon(awColor $color, awPolygon $polygon) {
|
|
|
|
switch($polygon->getStyle()) {
|
|
|
|
case awPolygon::SOLID :
|
|
$thickness = $polygon->getThickness();
|
|
$this->startThickness($thickness);
|
|
$points = $this->getPolygonPoints($polygon);
|
|
$rgb = $this->getColor($color);
|
|
imagepolygon($this->resource, $points, $polygon->count(), $rgb);
|
|
$this->stopThickness($thickness);
|
|
break;
|
|
|
|
default :
|
|
|
|
if($polygon->count() > 1) {
|
|
|
|
$prev = $polygon->get(0);
|
|
|
|
$line = new awLine;
|
|
$line->setStyle($polygon->getStyle());
|
|
$line->setThickness($polygon->getThickness());
|
|
|
|
for($i = 1; $i < $polygon->count(); $i++) {
|
|
$current = $polygon->get($i);
|
|
$line->setLocation($prev, $current);
|
|
$this->line($color, $line);
|
|
$prev = $current;
|
|
}
|
|
|
|
// Close the polygon
|
|
$line->setLocation($prev, $polygon->get(0));
|
|
$this->line($color, $line);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
public function filledPolygon($background, awPolygon $polygon) {
|
|
|
|
if($background instanceof awColor) {
|
|
|
|
$points = $this->getPolygonPoints($polygon);
|
|
$rgb = $this->getColor($background);
|
|
|
|
imagefilledpolygon($this->resource, $points, $polygon->count(), $rgb);
|
|
|
|
} else if($background instanceof awGradient) {
|
|
|
|
$gradientDriver = new awGDGradientDriver($this);
|
|
$gradientDriver->filledPolygon($background, $polygon);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
public function send(awImage $image) {
|
|
|
|
$this->drawImage($image);
|
|
|
|
}
|
|
|
|
public function get(awImage $image) {
|
|
|
|
return $this->drawImage($image, TRUE, FALSE);
|
|
|
|
}
|
|
|
|
public function getTextWidth(awText $text) {
|
|
$font = $text->getFont();
|
|
|
|
if($font instanceof awPHPFont) {
|
|
$fontDriver = $this->phpFontDriver;
|
|
} else {
|
|
$fontDriver = $this->fileFontDriver;
|
|
}
|
|
|
|
return $fontDriver->getTextWidth($text, $this);
|
|
}
|
|
|
|
public function getTextHeight(awText $text) {
|
|
$font = $text->getFont();
|
|
|
|
if($font instanceof awPHPFont) {
|
|
$fontDriver = $this->phpFontDriver;
|
|
} else {
|
|
$fontDriver = $this->fileFontDriver;
|
|
}
|
|
|
|
return $fontDriver->getTextHeight($text, $this);
|
|
}
|
|
|
|
protected function isCompatibleWithFont(awFont $font) {
|
|
if($font instanceof awFDBFont) {
|
|
return FALSE;
|
|
} else {
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
private function drawImage(awImage $image, $return = FALSE, $header = TRUE) {
|
|
|
|
$format = $image->getFormatString();
|
|
|
|
// Test if format is available
|
|
if((imagetypes() & $image->getFormat()) === FALSE) {
|
|
awImage::drawError("Class Image: Format '".$format."' is not available on your system. Check that your PHP has been compiled with the good libraries.");
|
|
}
|
|
|
|
// Get some infos about this image
|
|
switch($format) {
|
|
case 'jpeg' :
|
|
$function = 'imagejpeg';
|
|
break;
|
|
case 'png' :
|
|
$function = 'imagepng';
|
|
break;
|
|
case 'gif' :
|
|
$function = 'imagegif';
|
|
break;
|
|
}
|
|
|
|
// Send headers to the browser
|
|
if($header === TRUE) {
|
|
$image->sendHeaders();
|
|
}
|
|
|
|
if($return) {
|
|
ob_start();
|
|
}
|
|
|
|
$function($this->resource);
|
|
|
|
if($return) {
|
|
return ob_get_clean();
|
|
}
|
|
}
|
|
|
|
private function getPolygonPoints(awPolygon $polygon) {
|
|
|
|
$points = array();
|
|
|
|
foreach($polygon->all() as $point) {
|
|
$points[] = $point->x + $this->x;
|
|
$points[] = $point->y + $this->y;
|
|
}
|
|
|
|
return $points;
|
|
|
|
}
|
|
|
|
private function startThickness($thickness) {
|
|
|
|
if($thickness > 1) {
|
|
|
|
// Beurk :'(
|
|
if($this->antiAliasing and function_exists('imageantialias')) {
|
|
imageantialias($this->resource, FALSE);
|
|
}
|
|
imagesetthickness($this->resource, $thickness);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
private function stopThickness($thickness) {
|
|
|
|
if($thickness > 1) {
|
|
|
|
if($this->antiAliasing and function_exists('imageantialias')) {
|
|
imageantialias($this->resource, TRUE);
|
|
}
|
|
imagesetthickness($this->resource, 1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
registerClass('GDDriver');
|
|
|
|
/**
|
|
* To your gradients
|
|
*
|
|
* @package Artichow
|
|
*/
|
|
|
|
class awGDGradientDriver {
|
|
|
|
/**
|
|
* A driver
|
|
*
|
|
* @var awGDDriver
|
|
*/
|
|
protected $driver;
|
|
|
|
/**
|
|
* Build your GDGradientDriver
|
|
*
|
|
* @var awGDDriver $driver
|
|
*/
|
|
public function __construct(awGDDriver $driver) {
|
|
|
|
$this->driver = $driver;
|
|
|
|
}
|
|
|
|
public function drawFilledFlatTriangle(awGradient $gradient, awPoint $a, awPoint $b, awPoint $c) {
|
|
|
|
if($gradient->angle !== 0) {
|
|
awImage::drawError("Class GDGradientDriver: Flat triangles can only be used with 0 degree gradients.");
|
|
}
|
|
|
|
// Look for right-angled triangle
|
|
if($a->x !== $b->x and $b->x !== $c->x) {
|
|
awImage::drawError("Class GDGradientDriver: Not right-angled flat triangles are not supported yet.");
|
|
}
|
|
|
|
if($a->x === $b->x) {
|
|
$d = $a;
|
|
$e = $c;
|
|
} else {
|
|
$d = $c;
|
|
$e = $a;
|
|
}
|
|
|
|
$this->init($gradient, $b->y - $d->y);
|
|
|
|
for($i = $c->y + 1; $i < $b->y; $i++) {
|
|
|
|
$color = $this->color($i - $d->y);
|
|
$pos = ($i - $d->y) / ($b->y - $d->y);
|
|
|
|
$p1 = new awPoint($e->x, $i);
|
|
$p2 = new awPoint(1 + floor($e->x - $pos * ($e->x - $d->x)), $i);
|
|
|
|
$this->driver->filledRectangle($color, new awLine($p1, $p2));
|
|
|
|
unset($color);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
protected function drawFilledTriangle(awGradient $gradient, awPolygon $polygon) {
|
|
|
|
if($gradient->angle === 0) {
|
|
$this->drawFilledTriangleVertically($gradient, $polygon);
|
|
} elseif($gradient->angle === 90) {
|
|
$this->drawFilledTriangleHorizontally($gradient, $polygon);
|
|
}
|
|
|
|
}
|
|
|
|
private function drawFilledTriangleVertically(awGradient $gradient, awPolygon $polygon) {
|
|
list($yMin, $yMax) = $polygon->getBoxYRange();
|
|
|
|
$this->init($gradient, $yMax - $yMin);
|
|
|
|
// Get the triangle line we will draw our lines from
|
|
$fromLine = NULL;
|
|
$lines = $polygon->getLines();
|
|
|
|
$count = count($lines);
|
|
|
|
// Pick the side of the triangle going from the top
|
|
// to the bottom of the surrounding box
|
|
for($i = 0; $i < $count; $i++) {
|
|
if($lines[$i]->isTopToBottom($polygon)) {
|
|
list($fromLine) = array_splice($lines, $i, 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If for some reason the three points are aligned,
|
|
// $fromLine will still be NULL
|
|
if($fromLine === NULL) {
|
|
return;
|
|
}
|
|
|
|
$fillLine = NULL;
|
|
for($y = round($yMin); $y < round($yMax); $y++) {
|
|
|
|
$fromX = $fromLine->getXFrom($y);
|
|
|
|
$toX = array();
|
|
foreach($lines as $line) {
|
|
$xValue = $line->getXFrom($y);
|
|
|
|
if(!is_null($xValue)) {
|
|
$toX[] = $xValue;
|
|
}
|
|
}
|
|
|
|
if(count($toX) === 1) {
|
|
$fillLine = new Line(
|
|
new Point($fromX, $y),
|
|
new Point($toX[0], $y)
|
|
);
|
|
} else {
|
|
|
|
$line1 = new Line(
|
|
new Point($fromX, $y),
|
|
new Point($toX[0], $y)
|
|
);
|
|
$line2 = new Line(
|
|
new Point($fromX, $y),
|
|
new Point($toX[1], $y)
|
|
);
|
|
|
|
if($line1->getSize() < $line2->getSize()) {
|
|
$fillLine = $line1;
|
|
} else {
|
|
$fillLine = $line2;
|
|
}
|
|
}
|
|
|
|
if(!$fillLine->isPoint()) {
|
|
$color = $this->color($y - $yMin);
|
|
$this->driver->line($color, $fillLine);
|
|
|
|
unset($color);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
private function drawFilledTriangleHorizontally(awGradient $gradient, awPolygon $polygon) {
|
|
list($xMin, $xMax) = $polygon->getBoxXRange();
|
|
|
|
$this->init($gradient, $xMax - $xMin);
|
|
|
|
// Get the triangle line we will draw our lines from
|
|
$fromLine = NULL;
|
|
$lines = $polygon->getLines();
|
|
|
|
$count = count($lines);
|
|
|
|
// Pick the side of the triangle going all the way
|
|
// from the left side to the right side of the surrounding box
|
|
for($i = 0; $i < $count; $i++) {
|
|
if($lines[$i]->isLeftToRight($polygon)) {
|
|
list($fromLine) = array_splice($lines, $i, 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If for some reason the three points are aligned,
|
|
// $fromLine will still be NULL
|
|
if($fromLine === NULL) {
|
|
return;
|
|
}
|
|
|
|
$fillLine = NULL;
|
|
for($x = round($xMin); $x < round($xMax); $x++) {
|
|
|
|
$fromY = floor($fromLine->getYFrom($x));
|
|
|
|
$toY = array();
|
|
foreach($lines as $line) {
|
|
$yValue = $line->getYFrom($x);
|
|
|
|
if(!is_null($yValue)) {
|
|
$toY[] = floor($yValue);
|
|
}
|
|
}
|
|
|
|
if(count($toY) === 1) {
|
|
$fillLine = new Line(
|
|
new Point($x, $fromY),
|
|
new Point($x, $toY[0])
|
|
);
|
|
} else {
|
|
|
|
$line1 = new Line(
|
|
new Point($x, $fromY),
|
|
new Point($x, $toY[0])
|
|
);
|
|
$line2 = new Line(
|
|
new Point($x, $fromY),
|
|
new Point($x, $toY[1])
|
|
);
|
|
|
|
if($line1->getSize() < $line2->getSize()) {
|
|
$fillLine = $line1;
|
|
} else {
|
|
$fillLine = $line2;
|
|
}
|
|
}
|
|
|
|
$color = $this->color($x - $xMin);
|
|
if($fillLine->isPoint()) {
|
|
$this->driver->point($color, $fillLine->p1);
|
|
} elseif($fillLine->getSize() >= 1) {
|
|
$this->driver->line($color, $fillLine);
|
|
}
|
|
unset($color);
|
|
}
|
|
|
|
}
|
|
|
|
public function filledRectangle(awGradient $gradient, awPoint $p1, awPoint $p2) {
|
|
|
|
list($x1, $y1) = $p1->getLocation();
|
|
list($x2, $y2) = $p2->getLocation();
|
|
|
|
if($y1 < $y2) {
|
|
$y1 ^= $y2 ^= $y1 ^= $y2;
|
|
}
|
|
|
|
if($x2 < $x1) {
|
|
$x1 ^= $x2 ^= $x1 ^= $x2;
|
|
}
|
|
|
|
if($gradient instanceof awLinearGradient) {
|
|
$this->rectangleLinearGradient($gradient, new awPoint($x1, $y1), new awPoint($x2, $y2));
|
|
} else {
|
|
awImage::drawError("Class GDGradientDriver: This gradient is not supported by rectangles.");
|
|
}
|
|
|
|
}
|
|
|
|
public function filledPolygon(awGradient $gradient, awPolygon $polygon) {
|
|
|
|
if($gradient instanceof awLinearGradient) {
|
|
$this->polygonLinearGradient($gradient, $polygon);
|
|
} else {
|
|
awImage::drawError("Class GDGradientDriver: This gradient is not supported by polygons.");
|
|
}
|
|
|
|
}
|
|
|
|
protected function rectangleLinearGradient(awLinearGradient $gradient, awPoint $p1, awPoint $p2) {
|
|
|
|
list($x1, $y1) = $p1->getLocation();
|
|
list($x2, $y2) = $p2->getLocation();
|
|
|
|
if($y1 - $y2 > 0) {
|
|
|
|
if($gradient->angle === 0) {
|
|
|
|
$this->init($gradient, $y1 - $y2);
|
|
|
|
for($i = $y2; $i <= $y1; $i++) {
|
|
|
|
$color = $this->color($i - $y2);
|
|
|
|
$p1 = new awPoint($x1, $i);
|
|
$p2 = new awPoint($x2, $i);
|
|
|
|
$this->driver->filledRectangle($color, new awLine($p1, $p2));
|
|
|
|
unset($color);
|
|
|
|
}
|
|
|
|
} else if($gradient->angle === 90) {
|
|
|
|
$this->init($gradient, $x2 - $x1);
|
|
|
|
for($i = $x1; $i <= $x2; $i++) {
|
|
|
|
$color = $this->color($i - $x1);
|
|
|
|
$p1 = new awPoint($i, $y2);
|
|
$p2 = new awPoint($i, $y1);
|
|
|
|
$this->driver->filledRectangle($color, new awLine($p1, $p2));
|
|
|
|
unset($color);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
public function filledEllipse(awGradient $gradient, $x1, $y1, $x2, $y2) {
|
|
|
|
if($y1 < $y2) {
|
|
$y1 ^= $y2 ^= $y1 ^= $y2;
|
|
}
|
|
|
|
if($x2 < $x1) {
|
|
$x1 ^= $x2 ^= $x1 ^= $x2;
|
|
}
|
|
|
|
if($gradient instanceof awRadialGradient) {
|
|
$this->ellipseRadialGradient($gradient, $x1, $y1, $x2, $y2);
|
|
} else if($gradient instanceof awLinearGradient) {
|
|
$this->ellipseLinearGradient($gradient, $x1, $y1, $x2, $y2);
|
|
} else {
|
|
awImage::drawError("Class GDGradientDriver: This gradient is not supported by ellipses.");
|
|
}
|
|
|
|
}
|
|
|
|
protected function ellipseRadialGradient(awGradient $gradient, $x1, $y1, $x2, $y2) {
|
|
|
|
if($y1 - $y2 > 0) {
|
|
|
|
if($y1 - $y2 != $x2 - $x1) {
|
|
awImage::drawError("Class GDGradientDriver: Radial gradients are only implemented on circle, not ellipses.");
|
|
}
|
|
|
|
$c = new awPoint($x1 + ($x2 - $x1) / 2, $y1 + ($y2 - $y1) / 2);
|
|
$r = ($x2 - $x1) / 2;
|
|
$ok = array();
|
|
|
|
// Init gradient
|
|
$this->init($gradient, $r);
|
|
|
|
for($i = 0; $i <= $r; $i += 0.45) {
|
|
|
|
$p = ceil((2 * M_PI * $i));
|
|
|
|
if($p > 0) {
|
|
$interval = 360 / $p;
|
|
} else {
|
|
$interval = 360;
|
|
}
|
|
|
|
$color = $this->color($i);
|
|
|
|
for($j = 0; $j < 360; $j += $interval) {
|
|
|
|
$rad = ($j / 360) * (2 * M_PI);
|
|
|
|
$x = round($i * cos($rad));
|
|
$y = round($i * sin($rad));
|
|
|
|
$l = sqrt($x * $x + $y * $y);
|
|
|
|
if($l <= $r) {
|
|
|
|
if(
|
|
array_key_exists((int)$x, $ok) === FALSE or
|
|
array_key_exists((int)$y, $ok[$x]) === FALSE
|
|
) {
|
|
|
|
// Print the point
|
|
$this->driver->point($color, new awPoint($c->x + $x, $c->y + $y));
|
|
|
|
$ok[(int)$x][(int)$y] = TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
unset($color);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
protected function ellipseLinearGradient(awGradient $gradient, $x1, $y1, $x2, $y2) {
|
|
|
|
// Gauche->droite : 90°
|
|
|
|
if($y1 - $y2 > 0) {
|
|
|
|
if($y1 - $y2 != $x2 - $x1) {
|
|
awImage::drawError("Class GDGradientDriver: Linear gradients are only implemented on circle, not ellipses.");
|
|
}
|
|
|
|
$r = ($x2 - $x1) / 2;
|
|
|
|
// Init gradient
|
|
$this->init($gradient, $x2 - $x1);
|
|
|
|
for($i = -$r; $i <= $r; $i++) {
|
|
|
|
$h = sin(acos($i / $r)) * $r;
|
|
|
|
$color = $this->color($i + $r);
|
|
|
|
if($gradient->angle === 90) {
|
|
|
|
// Print the line
|
|
$p1 = new awPoint(
|
|
$x1 + $i + $r,
|
|
round(max($y2 + $r - $h + 1, $y2))
|
|
);
|
|
|
|
$p2 = new awPoint(
|
|
$x1 + $i + $r,
|
|
round(min($y1 - $r + $h - 1, $y1))
|
|
);
|
|
|
|
} else {
|
|
|
|
// Print the line
|
|
$p1 = new awPoint(
|
|
round(max($x1 + $r - $h + 1, $x1)),
|
|
$y2 + $i + $r
|
|
);
|
|
|
|
$p2 = new awPoint(
|
|
round(min($x2 - $r + $h - 1, $x2)),
|
|
$y2 + $i + $r
|
|
);
|
|
|
|
}
|
|
|
|
$this->driver->filledRectangle($color, new awLine($p1, $p2));
|
|
|
|
unset($color);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
protected function polygonLinearGradient(awLinearGradient $gradient, awPolygon $polygon) {
|
|
|
|
$count = $polygon->count();
|
|
|
|
if($count >= 4) {
|
|
|
|
$left = $polygon->get(0);
|
|
$right = $polygon->get($count - 1);
|
|
|
|
if($gradient->angle === 0) {
|
|
|
|
// Get polygon maximum and minimum
|
|
$offset = $polygon->get(0);
|
|
$max = $min = $offset->y;
|
|
for($i = 1; $i < $count - 1; $i++) {
|
|
$offset = $polygon->get($i);
|
|
$max = max($max, $offset->y);
|
|
$min = min($min, $offset->y);
|
|
}
|
|
|
|
$this->init($gradient, $max - $min);
|
|
|
|
$prev = $polygon->get(1);
|
|
|
|
$sum = 0;
|
|
|
|
for($i = 2; $i < $count - 1; $i++) {
|
|
|
|
$current = $polygon->get($i);
|
|
|
|
$interval = 1;
|
|
|
|
if($i !== $count - 2) {
|
|
$current->x -= $interval;
|
|
}
|
|
|
|
if($current->x - $prev->x > 0) {
|
|
|
|
// Draw rectangle
|
|
$x1 = $prev->x;
|
|
$x2 = $current->x;
|
|
$y1 = max($prev->y, $current->y);
|
|
$y2 = $left->y;
|
|
|
|
$gradient = new awLinearGradient(
|
|
$this->color($max - $min - ($y2 - $y1)),
|
|
$this->color($max - $min),
|
|
0
|
|
);
|
|
|
|
if($y1 > $y2) {
|
|
$y2 = $y1;
|
|
}
|
|
|
|
$this->driver->filledRectangle(
|
|
$gradient,
|
|
awLine::build($x1, $y1, $x2, $y2)
|
|
);
|
|
|
|
$top = ($prev->y < $current->y) ? $current : $prev;
|
|
$bottom = ($prev->y >= $current->y) ? $current : $prev;
|
|
|
|
$gradient = new awLinearGradient(
|
|
$this->color($bottom->y - $min),
|
|
$this->color($max - $min - ($y2 - $y1)),
|
|
0
|
|
);
|
|
|
|
|
|
$gradientDriver = new awGDGradientDriver($this->driver);
|
|
$gradientDriver->drawFilledFlatTriangle(
|
|
$gradient,
|
|
new awPoint($prev->x, min($prev->y, $current->y)),
|
|
$top,
|
|
new awPoint($current->x, min($prev->y, $current->y))
|
|
);
|
|
unset($gradientDriver);
|
|
|
|
$sum += $current->x - $prev->x;
|
|
|
|
}
|
|
|
|
$prev = $current;
|
|
$prev->x += $interval;
|
|
|
|
}
|
|
|
|
} else if($gradient->angle === 90) {
|
|
|
|
$width = $right->x - $left->x;
|
|
$this->init($gradient, $width);
|
|
|
|
$pos = 1;
|
|
$next = $polygon->get($pos++);
|
|
|
|
$this->next($polygon, $pos, $prev, $next);
|
|
|
|
for($i = 0; $i <= $width; $i++) {
|
|
|
|
$x = $left->x + $i;
|
|
|
|
$y1 = round($prev->y + ($next->y - $prev->y) * (($i + $left->x - $prev->x) / ($next->x - $prev->x)));
|
|
$y2 = $left->y;
|
|
|
|
// Draw line
|
|
$color = $this->color($i);
|
|
// YaPB : PHP does not handle alpha on lines
|
|
$this->driver->filledRectangle($color, awLine::build($x, $y1, $x, $y2));
|
|
|
|
unset($color);
|
|
|
|
// Jump to next point
|
|
if($next->x == $i + $left->x) {
|
|
|
|
$this->next($polygon, $pos, $prev, $next);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else if($count === 3) {
|
|
$this->drawFilledTriangle(
|
|
$gradient,
|
|
$polygon
|
|
);
|
|
}
|
|
|
|
}
|
|
|
|
private function next($polygon, &$pos, &$prev, &$next) {
|
|
|
|
do {
|
|
$prev = $next;
|
|
$next = $polygon->get($pos++);
|
|
}
|
|
while($next->x - $prev->x == 0 and $pos < $polygon->count());
|
|
|
|
}
|
|
|
|
/**
|
|
* Start colors
|
|
*
|
|
* @var int
|
|
*/
|
|
private $r1, $g1, $b1, $a1;
|
|
|
|
/**
|
|
* Stop colors
|
|
*
|
|
* @var int
|
|
*/
|
|
private $r2, $g2, $b2, $a2;
|
|
|
|
/**
|
|
* Gradient size in pixels
|
|
*
|
|
* @var int
|
|
*/
|
|
private $size;
|
|
|
|
|
|
private function init(awGradient $gradient, $size) {
|
|
|
|
list(
|
|
$this->r1, $this->g1, $this->b1, $this->a1
|
|
) = $gradient->from->rgba();
|
|
|
|
list(
|
|
$this->r2, $this->g2, $this->b2, $this->a2
|
|
) = $gradient->to->rgba();
|
|
|
|
$this->size = $size;
|
|
}
|
|
|
|
private function color($pos) {
|
|
|
|
return new awColor(
|
|
$this->getRed($pos),
|
|
$this->getGreen($pos),
|
|
$this->getBlue($pos),
|
|
$this->getAlpha($pos)
|
|
);
|
|
|
|
}
|
|
|
|
|
|
private function getRed($pos) {
|
|
if((float)$this->size !== 0.0) {
|
|
return (int)round($this->r1 + ($pos / $this->size) * ($this->r2 - $this->r1));
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
private function getGreen($pos) {
|
|
if((float)$this->size !== 0.0) {
|
|
return (int)round($this->g1 + ($pos / $this->size) * ($this->g2 - $this->g1));
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
private function getBlue($pos) {
|
|
if((float)$this->size !== 0.0) {
|
|
return (int)round($this->b1 + ($pos / $this->size) * ($this->b2 - $this->b1));
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
private function getAlpha($pos) {
|
|
if((float)$this->size !== 0.0) {
|
|
return (int)round(($this->a1 + ($pos / $this->size) * ($this->a2 - $this->a1)) / 127 * 100);
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
registerClass('GDGradientDriver');
|
|
|
|
/*
|
|
* Check for GD2
|
|
*/
|
|
if(function_exists('imagecreatetruecolor') === FALSE) {
|
|
awImage::drawErrorFile('missing-gd2');
|
|
}
|
|
|