transparentWatermark class
v 1.01
This classe inserts watermark in image with transparent and randomize effects.
It protects image rights and avoid watermark clearing with softwares.
Constructor may have one parameter : name of stamp image. This file must
be a JPEG or PNG image.
setStamp( filename) method is used to set or change stamp image.
markImageFile ( image1, image2) method is used to apply stamp on image1.
If image2 is set, result is saved in image2, else result is printed to stdout with mime-type.
markImage ( imageResource) method is used to apply stamp on image resource
created by imagecreate(), imagecreatefromjpeg(), imagecreatefrompng(), ...
setStampPosition ( X, Y) method is used to set stamp position on image.
X possible values are transparentWatermarkOnLeft, transparentWatermarkOnCenter and
transparentWatermarkOnRight, Y possible values are transparentWatermarkOnTop, transparentWatermarkOnMiddle
and transparentWatermarkOnBottom
NOTES:
It's IMPORTANT to save result of watermaks on disk: it's easy to retrieve
an image from different versions of watermark by pixel color averages.
Transparent color is grey (#RGB=#808080)
transparentWatermark class uses GD library .
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