/**
* Overlay image
*
* Parameter array:
* 'x': int X-point of overlayed image
* 'y': int Y-point of overlayed image
* 'filename': string The filename of the image to overlay
* 'width': int [optional] The width of the overlayed image (resizing if possible)
* 'height': int [optional] The height of the overlayed image (resizing if possible)
* 'alignment': array [optional] Alignment
*/
function image($params)
{
$x = $this->_getX($params['x']);
$y = $this->_getY($params['y']);
$filename = $params['filename'];
$width = isset($params['width']) ? $params['width'] : false;
$height = isset($params['height']) ? $params['height'] : false;
$alignment = isset($params['alignment']) ? $params['alignment'] : false;
if (substr($filename, -4) == '.png') {
$type = 'png';
} elseif (substr($filename, -4) == '.jpg') {
$type = 'jpeg';
}
$image = ps_open_image_file($this->_ps, $type, realpath($filename), '');
$width_ = ps_get_value($this->_ps, 'imagewidth', $image);
$height_ = ps_get_value($this->_ps, 'imageheight', $image);
$outputWidth = $width !== false ? $width : $width_;
$outputHeight = $height !== false ? $height : $height_;
if (!is_array($alignment)) {
$alignment = array('vertical' => 'top', 'horizontal' => 'left');
}
if (!isset($alignment['vertical'])) {
$alignment['vertical'] = 'top';
}
if (!isset($alignment['horizontal'])) {
$alignment['horizontal'] = 'left';
}
if ($alignment['horizontal'] == 'right') {
$x -= $outputWidth;
} elseif ($alignment['horizontal'] == 'center') {
$x -= $outputWidth / 2;
}
if ($alignment['vertical'] == 'top') {
$y += $outputHeight;
} elseif ($alignment['vertical'] == 'center') {
$y += $outputHeight / 2;
}
if ($width === false && $height === false) {
$scale = 1;
} else {
$scale = max($height / $height_, $width / $width_);
}
ps_place_image($this->_ps, $image, $x, $y, $scale);
ps_close_image($this->_ps, $image);
parent::image($params);
}
ps_stroke($ps);
ps_setcolor($ps, "both", "rgb", 1.0, 0.0, 0.0, 0.0);
ps_moveto($ps, 50, 10);
ps_curveto($ps, 50, 10, 110, 40, 90, 90);
ps_curveto($ps, 90, 90, 30, 90, 80, 70);
ps_curveto($ps, 80, 70, 100, 10, 50, 10);
ps_fill($ps);
end_example_box($ps);
}
if (isset($_REQUEST['box8']) && $_REQUEST['box8'] == "true") {
if ($x > 3) {
$y -= 150;
$x = 0;
}
begin_example_box($ps, LEFT_BORDER + (EXAMPLE_BOX_WIDTH + 30) * $x++, $y, "EPS-Image", $psfont);
$psimage = ps_open_image_file($ps, "eps", "picture.eps", NULL, 0);
ps_place_image($ps, $psimage, 10, 10, 0.3);
ps_close_image($ps, $psimage);
end_example_box($ps);
}
if (isset($_REQUEST['box9']) && $_REQUEST['box9'] == "true") {
if ($x > 3) {
$y -= 150;
$x = 0;
}
begin_example_box($ps, LEFT_BORDER + (EXAMPLE_BOX_WIDTH + 30) * $x++, $y, "Path (1)", $psfont);
ps_moveto($ps, 10, 10);
ps_lineto($ps, 50, 50);
ps_moveto($ps, 20, 10);
ps_lineto($ps, 60, 50);
ps_circle($ps, 60, 60, 20);
$psfont = ps_findfont($ps, "Helvetica", "", 0); ps_setfont($ps, $psfont, 12.0); $x = 0; $y = 625; begin_example_box($ps, LEFT_BORDER + (EXAMPLE_BOX_WIDTH + 30) * $x++, $y, "Gif image", $psfont); $psimage = ps_open_image_file($ps, "gif", "debian.gif", NULL, 0); ps_place_image($ps, $psimage, 25, 10, 2.0); end_example_box($ps); begin_example_box($ps, LEFT_BORDER + (EXAMPLE_BOX_WIDTH + 30) * $x++, $y, "Gif image with transparency", $psfont); $psimage = ps_open_image_file($ps, "gif", "debian-transparent.gif", NULL, 0); ps_place_image($ps, $psimage, 25, 10, 2.0); end_example_box($ps); begin_example_box($ps, LEFT_BORDER + (EXAMPLE_BOX_WIDTH + 30) * $x++, $y, "Gif image interlaced", $psfont); $psimage = ps_open_image_file($ps, "gif", "interlaced.gif", NULL, 0); ps_place_image($ps, $psimage, 10, 10, 0.65); end_example_box($ps); $x = 0; $y = 405; begin_example_box($ps, LEFT_BORDER + (EXAMPLE_BOX_WIDTH + 30) * $x++, $y, "Tiff image", $psfont); $psimage = ps_open_image_file($ps, "tiff", "debian.tiff", NULL, 0); ps_place_image($ps, $psimage, 25, 10, 2.0); end_example_box($ps); $x = 0; $y = 185; begin_example_box($ps, LEFT_BORDER + (EXAMPLE_BOX_WIDTH + 30) * $x++, $y, "Bmp image", $psfont); $psimage = ps_open_image_file($ps, "bmp", "debian.bmp", NULL, 0); ps_place_image($ps, $psimage, 25, 10, 2.0); end_example_box($ps); ps_end_page($ps); ps_close($ps); ps_delete($ps);