(PHP 4 >= 4.0.6, PHP 5, PHP 7)
Draw a partial arc and fill it
bool imagefilledarc ( resource $image, int $cx, int $cy, int $width, int $height, int $start, int $end, int $color, int $style )
Draws a partial arc centered at the specified coordinate in the given image.
Parameters:
image
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
cx
x-coordinate of the center.
cy
y-coordinate of the center.
width
The arc width.
height
The arc height.
start
The arc start angle, in degrees.
end
The arc end angle, in degrees. 0° is located at the three-o'clock position, and the arc is drawn clockwise.
color
A color identifier created with imagecolorallocate().
style
A bitwise OR of the following possibilities:
IMG_ARC_PIEIMG_ARC_CHORDIMG_ARC_NOFILLIMG_ARC_EDGED
IMG_ARC_PIE
IMG_ARC_CHORD
IMG_ARC_CHORD
IMG_ARC_PIE
IMG_ARC_NOFILL
IMG_ARC_EDGED
IMG_ARC_NOFILL
Returns:
Returns TRUE on success or FALSE on failure.
Notes:
This function requires GD 2.0.1 or later (2.0.28 or later is recommended).
Examples:
Creating a 3D looking pie
<?php
// create image
$image = imagecreatetruecolor(100, 100);
// allocate some colors
$white = imagecolorallocate($image, 0xFF, 0xFF, 0xFF);
$gray = imagecolorallocate($image, 0xC0, 0xC0, 0xC0);
$darkgray = imagecolorallocate($image, 0x90, 0x90, 0x90);
$navy = imagecolorallocate($image, 0x00, 0x00, 0x80);
$darknavy = imagecolorallocate($image, 0x00, 0x00, 0x50);
$red = imagecolorallocate($image, 0xFF, 0x00, 0x00);
$darkred = imagecolorallocate($image, 0x90, 0x00, 0x00);
// make the 3D effect
for ($i = 60; $i > 50; $i--) {
imagefilledarc($image, 50, $i, 100, 50, 0, 45, $darknavy, IMG_ARC_PIE);
imagefilledarc($image, 50, $i, 100, 50, 45, 75 , $darkgray, IMG_ARC_PIE);
imagefilledarc($image, 50, $i, 100, 50, 75, 360 , $darkred, IMG_ARC_PIE);
}
imagefilledarc($image, 50, 50, 100, 50, 0, 45, $navy, IMG_ARC_PIE);
imagefilledarc($image, 50, 50, 100, 50, 45, 75 , $gray, IMG_ARC_PIE);
imagefilledarc($image, 50, 50, 100, 50, 75, 360 , $red, IMG_ARC_PIE);
// flush image
header('Content-type: image/png');
imagepng($image);
imagedestroy($image);
?>
The above example will output something similar to:
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