uw Wed Mar 28 05:07:16 2001 EDT
Added files:
/php4/pear/Experimental/Image gbutton.php
Log:
Very much the same like gtext but this one can be used to render
graphical buttons.
Index: php4/pear/Experimental/Image/gbutton.php
+++ php4/pear/Experimental/Image/gbutton.php
<?php
//
// +----------------------------------------------------------------------+
// | PHP version 4.0 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2001 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | [EMAIL PROTECTED] so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Ulf Wendel <[EMAIL PROTECTED] |
// +----------------------------------------------------------------------+
//
// $Id: gbutton.php,v 1.1 2001/03/28 13:07:16 uw Exp $
//
/**
* Creates graphical buttons.
*
* @author Ulf Wendel <[EMAIL PROTECTED]>
* @version $Id: gbutton.php,v 1.1 2001/03/28 13:07:16 uw Exp $
*/
class gbutton extends gtext {
var $properties = array(
"fontsize" => 20,
"fgcolor" => "black",
"fontdir" => "c:/www/apache/gtext/",
"font" => "arial",
"border" => 1,
"bordercolor" => "black",
"padding" => 2
);
var $allowed = array(
"fontsize" => "integer",
"fgcolor" => "mixed",
"fontdir" => "strint",
"bold" => "boolean",
"italic" => "boolean",
"transparent" => "mixed",
"padding" => "integer",
"bgcolor" => "mixed",
"background" => "string",
"bgstrech" => "boolean",
"bgcenter" => "boolean",
"border" => "integer",
"bordercolor" => "mixed",
"3d" => "integer",
"3dlightcolor" => "mixed",
"3ddarkcolor" => "mixed",
"statusbar" => "string",
"name" => "string",
"submit" => "boolean",
"href" => "string",
"align" => "string",
"valign" => "string",
"width" => "integer",
"height" => "integer"
);
function createImageTag($id, $text, &$properties, $link) {
$size = getImageSize($link[0]);
$name = (isset($properties["name"])) ? $properties["name"] : "";
$js_over = "";
$js_out = "";
if (isset($properties["statusbar"])) {
$name = $id;
$js_over .= sprintf("window.status = '%s';", str_replace('"', "'",
$properties["statusbar"]));
$js_out .= "window.status = '';";
}
$js = "";
if ($js_over)
$js .= sprintf(' onMouseOver="%s";', $js_over);
if ($js_out)
$js .= sprintf(' onMouseOut="%s";', $js_out);
if (isset($properties["submit"])) {
$html = sprintf('<input type="submit"%s%s>',
($name) ? ' name="' . $name . '"' : "",
($js) ? $js : ""
);
} else {
$html = sprintf('<img src="%s" %s alt="%s"%s%s>',
$link[1],
$size[3],
(isset($properties["alt"])) ? $properties["alt"] :
$text,
($name) ? ' name="' . $name . '"' : "",
($js) ? $js : ""
);
}
if (isset($properties["href"])) {
$html = sprintf('<a href="%s"%s>%s</a>',
$properties["url"],
(isset($properties["target"])) ? ' target="' .
$properties["target"] . '"' : ""
);
}
return $html;
} // end func createImageTag
function &buildImage($id, $text, &$properties) {
$font_dir = (isset($properties["fontdir"])) ? $properties["fontdir"] :
$this->font_dir;
if ($font_dir && "/" != substr($font_dir, -1))
$font_dir .= "/";
$font = $font_dir . $properties["font"];
// this is not a proper test but better than nothing and
// windows seems to follow this naming convention widely.
if (isset($properties["italic"])) {
if (isset($properties["bold"]) && file_exists($font . "bi.ttf"))
$font .= "bi";
else if (file_exists($font . "i.tff"))
$font .= "i";
} else {
if (isset($properties["bold"])) {
if (file_exists($font . "bd.ttf"))
$font .= "bd";
else if (file_exists($font . "b.ttf"))
$font .= "b";
}
}
$font .= ".ttf";
// size of the bounding text box
$textsize = ImageTTFBBox($properties["fontsize"], 0, $font , $text);
$tx = ($textsize[2] - $textsize[0]) + $properties["padding"];
$ty = ($textsize[3] - $textsize[5]) + $properties["padding"];
$border = 0;
if (isset($properties["border"]))
$border += (2 * $properties["border"]);
if (isset($properties["3d"]))
$border += (2 * $properties["3d"]);
// border size
$sx = $tx + $border;
$sy = $ty + $border;
// min width and height
if (isset($properties["width"]) && $sx < $properties["width"])
$sx = $properties["width"];
if (isset($properties["height"]) && $sy < $properties["height"])
$sy = $properties["height"];
$img = @ImageCreate($sx, $sy);
if (!$img)
return new gerror("Can't create Image.");
// draw the background
$bg_color = $this->allocateColor($img, $properties["bgcolor"]);
ImageFilledRectangle($img, 0, 0, $sx, $sy, $bg_color);
if (isset($properties["border"])) {
$border_color = (isset($properties["bordercolor"])) ?
$properties["bordercolor"] : $properties["fgcolor"];
$border_color = $this->allocateColor($img, $border_color);
for ($i = 1; $i <= $properties["border"]; $i++)
ImageRectangle($img, $i, $i, $sx - $i, $sy - $i, $border_color);
}
if (isset($properties["3d"])) {
$d_light = (isset($properties["3dlightcolor"])) ?
$properties["3dlightcolor"] : $properties["bgcolor"];
$d_light = $this->allocateColor($img, $d_light);
$d_dark = (isset($properties["3ddarkcolor"])) ?
$properties["3ddarkcolor"] : $properties["fgcolor"];
$d_dark = $this->allocateColor($img, $d_dark);
for ($i = 1; $i <= $properties["3d"]; $i++) {
ImageLine($img, $i - 1, $i - 1, $i - 1, $sy - $i, $d_light);
ImageLine($img, $i - 1, $i - 1, $sx - $i , $i - 1, $d_light);
ImageLine($img, $i - 1, $sy - $i, $sx, $sy - $i, $d_dark);
ImageLine($img, $sx - $i, $i, $sx - $i, $sy, $d_dark);
}
}
// preparing to render the text
$fg_color = $this->allocateColor($img, $properties["fgcolor"]);
$pad = $properties["padding"] / 2;
$border /= 2;
// checking the horizontal alignment
if (isset($properties["align"])) {
$align = strtolower($properties["align"]);
if ("center" == $align) {
$x = (($sx - $tx) / 2) + $pad;
} else if ("right" == $align) {
$x = $sx - $tx - $pad - $border ;
} else {
// default: left
$x = $pad + $border;
}
} else {
// default: left
$x = $pad + $border;
}
// checking the vertical alignment
if (isset($properties["valign"])) {
$valign = strtolower($properties["valign"]);
if ("top" == $valign) {
$y = $sy - ($sy - $ty) + $border + $pad;
} else if ("bottom" == $valign) {
$y = $sy - $ty + $border - $pad;
} else {
// default: middle
$y = $sy - (($sy - $ty) / 2) + $border - $pad;
}
} else {
// default: middle
$y = $sy - (($sy - $ty) / 2) + $border - $pad;
}
// rendering the label itself
ImageTTFText($img, $properties["fontsize"], 0, $x, $y, $fg_color, $font,
$text);
// set the transparent color
if (isset($properties["transparent"])) {
$trans = $this->allocateColor($img, $properties["transparent"]);
ImageColorTransparent($img, $trans);
}
return $img;
} // end func buildImage
} // end class gbutton
?>
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