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(PHP 3, PHP 4, PHP 5)

imagearc -- Draw a partial ellipse

Description

bool imagearc ( resource image, int cx, int cy, int w, int h, int s, int e, int color )

imagearc() draws a partial ellipse centered at cx, cy (top left is 0, 0) in the image represented by image. W and h specifies the ellipse's width and height respectively while the start and end points are specified in degrees indicated by the s and e arguments. 0° is located at the three-o'clock position, and the arc is drawn clockwise.

Пример 1. Drawing a circle with imagearc() <?php // create a 200*200 image $img = imagecreatetruecolor(200, 200); // allocate some colors $white = imagecolorallocate($img, 255, 255, 255); $black = imagecolorallocate($img, 0, 0, 0);     // draw a black circle imagearc($img, 100, 100, 150, 150, 0, 360, $black); // output image in the browser header("Content-type: image/png"); imagepng($img);     // free memory imagedestroy($img); ?>

See also imageellipse(), imagefilledellipse(), and imagefilledarc().

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Пред.	Начало	След.
imageantialias	Уровень выше	imagechar