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imagefilledarc

imagefilledarc

Draw a partial arc and fill it

true **imagefilledarc** GdImage $image int $center_x int $center_y int $width int $height int $start_angle int $end_angle int $color int $style

Draws a partial arc centered at the specified coordinate in the given . image

center_xx-coordinate of the center.

center_yy-coordinate of the center.

widthThe arc width.

heightThe arc height.

start_angleThe arc start angle, in degrees.

end_angleThe arc end angle, in degrees. 0° is located at the three-o'clock position, and the arc is drawn clockwise.

colorgd.identifier.color

style A bitwise OR of the following possibilities:

    and  are
   mutually exclusive;  just
   connects the starting and ending angles with a straight line, while
    produces a rounded edge.
    indicates that the arc
   or chord should be outlined, not filled.  ,
   used together with , indicates that the
   beginning and ending angles should be connected to the center - this is a
   good way to outline (rather than fill) a 'pie slice'.
  1. `IMG_ARC_PIE`
  1. IMG_ARC_CHORD
  2. IMG_ARC_NOFILL
  3. IMG_ARC_EDGED

IMG_ARC_PIE``IMG_ARC_CHORD``IMG_ARC_CHORD``IMG_ARC_PIE``IMG_ARC_NOFILL``IMG_ARC_EDGED``IMG_ARC_NOFILL

return.true.always

Voorbeeld: 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);
?>
Vorige ← imagefill Volgende imagefilledellipse →

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