GD Style
<?php
// sample to test the GD imagesetstyle() function.
// to view source call with: gd_styles.php?viewsource=1
// call f.e. with: gd_styles.php?trans=1
// v0.11 20-Sep-2004, by G. Knauf <efash@gmx.net>
if ($_GET['viewsource']) {
echo highlight_string(file_get_contents($_SERVER['SCRIPT_FILENAME']));
die;
}
extension_loaded('gd') or die ("Error: GD extension not loaded!");
$im = @ImageCreate (200, 200);
$black = ImageColorAllocate ($im, 0, 0, 0);
$yellow = ImageColorAllocate ($im, 255, 255, 0);
$blue = ImageColorAllocate ($im, 0, 0, 255);
$green = ImageColorAllocate ($im, 0, 255, 0);
$white = ImageColorAllocate ($im, 0, 0, 0);
$transparent = ImageColorTransparent($im, $white);
if ($_GET['trans'])
$transparent = ImageColorTransparent($im, $black);
# Set a style consisting of 4 pixels of yellow,
# 4 pixels of blue, and a 2 pixel gap
$style1 = array($yellow,$yellow,$yellow,$yellow,
$blue,$blue,$blue,$blue,
IMG_COLOR_TRANSPARENT,IMG_COLOR_TRANSPARENT);
ImageSetStyle($im, $style1);
# Draw a circle using the style
ImageArc ($im, 100, 100, 125, 125, 0, 360, IMG_COLOR_STYLED);
# Draw a horizontal line using the style
ImageLine($im, 0, 20, 199, 20, IMG_COLOR_STYLED);
# Draw a vertical line using the style
ImageLine($im, 20, 0, 20, 199, IMG_COLOR_STYLED);
# Set a style consisting of 5 pixels of green,
# and a 2 pixel gap
$style2 = array($green,$green,$green,$green,$green,
IMG_COLOR_TRANSPARENT,IMG_COLOR_TRANSPARENT);
ImageSetStyle($im, $style2);
ImageLine($im, 100, 100, 199, 199, IMG_COLOR_STYLED);
/*
# Create a brush at an angle
$diagonal_brush = @ImageCreate (5, 5);
$white = ImageColorAllocate ($diagonal_brush, 255, 255, 255);
$black = ImageColorAllocate ($diagonal_brush, 0, 0, 0);
ImageColorTransparent($diagonal_brush, $white);
ImageLine($diagonal_brush, 0, 4, 4, 0, $black); # NE diagonal
# Set the brush
ImageSetBrush ($im, $diagonal_brush);
# Draw a circle using the brush
ImageArc ($im, 100, 100, 125, 125, 0, 360, IMG_COLOR_BRUSHED);
ImageArc ($im, 100, 100, 100, 100, 0, 360, $fg_color);
*/
# print the image to stdout
Header("Content-type: image/png");
ImagePng ($im);
ImageDestroy ($im);
?>