Lines Matching refs:watermark
4761 % SteganoImage() hides a digital watermark within the image. Recover
4762 % the hidden watermark later to prove that the authenticity of an image.
4763 % Offset defines the start position within the image to hide the watermark.
4767 % Image *SteganoImage(const Image *image,Image *watermark,
4774 % o watermark: the watermark image.
4779 MagickExport Image *SteganoImage(const Image *image,const Image *watermark,
4826 assert(watermark != (const Image *) NULL);
4827 assert(watermark->signature == MagickCoreSignature);
4841 Hide watermark in low-order bits of image.
4849 watermark_view=AcquireVirtualCacheView(watermark,exception);
4853 for (y=0; (y < (ssize_t) watermark->rows) && (j < (ssize_t) depth); y++)
4855 for (x=0; (x < (ssize_t) watermark->columns) && (j < (ssize_t) depth); x++)