php函数imagick实现平铺整张图片的水印效果

3. $image = new Imagick('logo.jpg');

4. $im = new Imagick();

5. $im->newImage( 140, 80, new ImagickPixel( "none" ) );
6. $draw = new ImagickDraw();

7. $draw->setFillColor(new ImagickPixel( "grey" ));

8. $draw->setGravity(imagick::GRAVITY_NORTHWEST);
9. $draw->annotation(10,10 ,'Copyright');
10. $draw->setGravity(imagick::GRAVITY_SOUTHEAST);
11. $draw->annotation(5,15 ,'Copyright');

12. $im->drawImage( $draw);

13. $image = $image->textureImage($im);
14. $image->compositeImage($image,imagick::COMPOSITE_COPY,0,0);
15. header( "Content-Type: image/{$image->getImageFormat()}" );

16. $image->writeImage('wmark_text_tiled.jpg');

17. $image->clear();
18. $image->destroy();
19. ?>

源图片：

效果图：