Bit too big for a comment, so I’ve added a new answer. The EndPage procedure (see page 441 of the PostScript Language Reference Manual) takes two additional parameters on the stack, a count of pages emitted so far, and a reason code. You can use the count of pages to do interesting things like duplexing, … Read more
in the same place where you call gr.DrawString, you can also do gr.DrawImage(position, size, overlayImage). It helps if your image-to-overlay is loaded from a PNG file (with transparency) to produce the best quality.
This is some example, hope it helps others that are trying to generate ms word .doc file with HTML. <html xmlns:v=”urn:schemas-microsoft-com:vml” xmlns:o=”urn:schemas-microsoft-com:office:office” xmlns:w=”urn:schemas-microsoft-com:office:word” xmlns:m=”http://schemas.microsoft.com/office/2004/12/omml” xmlns=”http://www.w3.org/TR/REC-html40″> <head><meta http-equiv=Content-Type content=”text/html; charset=utf-8″><title></title> <style> v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} </style> <style> @page { mso-page-orientation: landscape; size:29.7cm 21cm; margin:1cm 1cm 1cm 1cm; } @page Section1 { mso-header-margin:.5in; … Read more
I’m not sure if the following solution is acceptable in your case. But I think it performs slightly better, and doesn’t care about the shape of the watermark. Remove the strokes using morphological filtering. This should give you a background image. Calculate the difference image: difference = background – initial, and threshold it: binary = … Read more
UPDATED ANSWER (Better version with easy way to watermark, thanks to the commentators below and @okok who provided input with his answer) If you are using PDFBox 1.8.10 or above, you can add watermark to your PDF document easily with better control over what pages needs to be watermarked. Assuming you have a one page … Read more
I found great tutorial on Android Image Processing here. public static Bitmap mark(Bitmap src, String watermark, Point location, Color color, int alpha, int size, boolean underline) { int w = src.getWidth(); int h = src.getHeight(); Bitmap result = Bitmap.createBitmap(w, h, src.getConfig()); Canvas canvas = new Canvas(result); canvas.drawBitmap(src, 0, 0, null); Paint paint = new Paint(); … Read more
First this: it is important to change the document before you digitally sign it. Once digitally signed, these changes will break the signature. I will break up the question in two parts and I’ll skip the part about the actual watermarking as this is already explained here: How to watermark PDFs using text or images? … Read more
lately I needed a watermark textbox, the first thing that popped in to my head was OnLeave and OnEnter events of textbox, but first I googled it and I got two links first was the one in CodeProject which used the System.Drawing namespace and the other one was here using the SendMessage() over here http://vidmar.net/weblog/archive/2008/11/05/watermarked-textbox-in-windows-forms-on-.net.aspx. … Read more
A good example in the PHP manual: // Load the stamp and the photo to apply the watermark to $stamp = imagecreatefrompng(‘stamp.png’); $im = imagecreatefromjpeg(‘photo.jpeg’); // Set the margins for the stamp and get the height/width of the stamp image $marge_right = 10; $marge_bottom = 10; $sx = imagesx($stamp); $sy = imagesy($stamp); // Copy the … Read more
Adding a watermark is quite more simple. You just need to use a CALayer and AVVideoCompositionCoreAnimationTool. The code can be just copied and assembled in the same order. I have just tried to insert some comments in between for better understanding. Let’s assume you recorded the video already so we are going to create the … Read more