imagesetpixel
(PHP 4, PHP 5)
imagesetpixel โ Set a single pixel
์ค๋ช
bool imagesetpixel
( resource $image
, int $x
, int $y
, int $color
)
imagesetpixel() draws a pixel at the specified coordinate.
๋งค๊ฐ๋ณ์
- font
-
๋ด์ฅ ๊ธ๊ผด 1, 2, 3, 4, 5(ํฐ ์ซ์๊ฐ ํฐ ๊ธ๊ผด)๋ imageloadfont()๋ก ๋ฑ๋กํ ๊ธ๊ผด ์๋ณ์๋ฅผ ์ฌ์ฉํ ์ ์์ต๋๋ค.
- x
-
x-coordinate
- y
-
y-coordinate
- color
-
A color identifier created with imagecolorallocate()
๋ฐํ๊ฐ
์ฑ๊ณตํ ๊ฒฝ์ฐ TRUE๋ฅผ, ์คํจํ ๊ฒฝ์ฐ FALSE๋ฅผ ๋ฐํํฉ๋๋ค.
์์
Example#1 imagesetpixel() example
A random drawing that ends with a regular picture.
<?php
$x = 200;
$y = 200;
$gd = imagecreatetruecolor($x, $y);
$corners[0] = array('x' => 100, 'y' => 10);
$corners[1] = array('x' => 0, 'y' => 190);
$corners[2] = array('x' => 200, 'y' => 190);
$red = imagecolorallocate($gd, 255, 0, 0);
for ($i = 0; $i < 100000; $i++) {
imagesetpixel($gd, round($x),round($y), $red);
$a = rand(0, 2);
$x = ($x + $corners[$a]['x']) / 2;
$y = ($y + $corners[$a]['y']) / 2;
}
header('Content-Type: image/png');
imagepng($gd);
?>
์ ์์ ์ ์ถ๋ ฅ ์:
