* @author Jesper Veggerby <*****@*****.**>
*/
$file = file('./data/colors.txt');
require_once 'Image/Canvas.php';
require_once 'Image/Graph/Color.php';
require_once 'Image/Graph/Constants.php';
$Canvas =& Image_Canvas::factory('gd', array('width' => 600, 'height' => 1200));
$i = 0;
$cols = 10;
$Width = $Canvas->getWidth() / $cols;
$rows = count($file) / $cols;
$rows = floor($rows) + ($rows > floor($rows) ? 1 : 0);
$Height = $Canvas->getHeight() / $rows;
while (list($id, $color) = each($file)) {
$color = trim($color);
$x = $i % $cols * $Width + $Width / 2;
$y = floor($i / $cols) * $Height;
$Canvas->setLineColor('black');
$Canvas->setFillColor($color);
$Canvas->rectangle($x - $Width / 4, $y, $x + $Width / 4, $y + $Height / 3);
$Canvas->write($x, $y + $Height / 3 + 3, $color, IMAGE_GRAPH_ALIGN_CENTER_X + IMAGE_GRAPH_ALIGN_TOP);
$rgbColor = Image_Graph_Color::color2RGB($color);
$rgbs = 'RGB: ';
unset($rgbColor[3]);
while (list($id, $rgb) = each($rgbColor)) {
$rgbs .= ($rgb < 0x10 ? '0' : '') . dechex($rgb);
}
$Canvas->write($x, $y + $Height / 3 + 13, $rgbs, IMAGE_GRAPH_ALIGN_CENTER_X + IMAGE_GRAPH_ALIGN_TOP);
$i++;
}
$Canvas->done();
/**
* Add a color.
* This method adds a color to the graph. This causes the GD image to allocate the color
* if necessary (i.e. using GD1 TrueColor images are not supported). This is not necessary
* perhaps use {@see Image_Graph::newColor()} or the named color constants.
* @param Image_Graph_Color $color A representation of the color
*/
function &addColor(& $color)
{
$color->_setParent($this);
$this->_colors[] = & $color;
return $color;
}
