Imagick::animateImages
If ImagickDraw::setGravity ( int $gravity ) has been set, e,g; with $gravity= imagick::GRAVITY_CENTER.
Then, the x and y values offset the text from where the gravity setting would have placed it.
If the example included: $draw->setGravity (Imagick::GRAVITY_CENTER);
$image->annotateImage($draw, 10, 45, 0, 'The quick brown fox jumps over the lazy dog');
The text would be rendered to the right 10px and down 45px from the center.
Gravity constants are very useful as they can save having to calculate the placement of variable text strings and font sizes.
Imagick::annotateImage
(PECL imagick 2.0.0)
Imagick::annotateImage — Annotates an image with text
Beschreibung
bool Imagick::annotateImage
( ImagickDraw $draw_settings
, float $x
, float $y
, float $angle
, string $text
)
Warnung
Diese Funktion ist bis jetzt nicht dokumentiert. Es steht nur die Liste der Argumente zur Verfügung.
Annotates an image with text.
Parameter-Liste
- draw_settings
-
The ImagickDraw object that contains settings for drawing the text
- x
-
Horizontal offset in pixels to the left of text
- y
-
Vertical offset in pixels to the baseline of text
- angle
-
The angle at which to write the text
- text
-
The string to draw
Rückgabewerte
Liefert TRUE bei Erfolg.
Beispiele
Beispiel #1 Using Imagick::annotateImage():
Annotate text on an empty image
<?php
/* Create some objects */
$image = new Imagick();
$draw = new ImagickDraw();
$pixel = new ImagickPixel( 'gray' );
/* New image */
$image->newImage(800, 75, $pixel);
/* Black text */
$pixel->setColor('black');
/* Font properties */
$draw->setFont('Bookman-DemiItalic');
$draw->setFontSize( 30 );
/* Create text */
$image->annotateImage($draw, 10, 45, 0, 'The quick brown fox jumps over the lazy dog');
/* Give image a format */
$image->setImageFormat('png');
/* Output the image with headers */
header('Content-type: image/png');
echo $image;
?>
Siehe auch
- ImagickDraw::annotation() - Draws text on the image
- ImagickDraw::setFont() - Sets the fully-specified font to use when annotating with text
add a note
User Contributed NotesImagick::annotateImage
alan at ridersite dot org
23-Aug-2007 09:37
23-Aug-2007 09:37