digimarc watermark

Article Description: experience sharing: The key points of watermark camera material design. Watermark Camera (Professional Edition) has been released for nearly half a year, the watermark has more than 130. In the design process of watermark material, the team often think about what kind of design can get

Text watermark Text watermark is to add text on the picture, mainly using the Imagefttext method of GD library, and need font file. The effect chart is as follows: The implementation code is as follows: Copy Code code as follows: $dst _path = ' dst.jpg '; Create an instance of a picture$DST = imagecreatefromstring (file_get_contents ($DST _path)); Make a text$font = './SIMSUN.TTC ';//fo

Insert dense watermark and QR code in Word and Excel, and wordexcel watermark The customer recently asked to develop a feature: After a file is uploaded to the system, an intensive watermark and two-dimensional code are automatically added to each page of the document. After printing the paper document, the system scans the two-dimensional code to automatically o

The request received is to match the watermark on a graph and replace the original watermark with a new one.The first one to install a library file code is as follows:# Coding=utf-8import Cv2import NumPy as np# expansion algorithm kernel_dilate_kernel = Np.array ([[0, 0, 1, 0, 0], [0, 0, 1, 0, 0], [1, 1, 1, 1, 1], [0, 0, 1, 0, 0], [0, 0, 1, 0, 0]], dtype=np.uint8) class Watermar

/* * Function: PHP image watermark (watermark supports picture or text) Parameters * $groundimage background image, that is, need to add a watermark image, temporarily only support gif,jpg,png format; * $waterPos watermark position, there are 10 kinds of states, 0 is a random position; * 1 for

These two days to help colleagues test composite pictures and text effect, picture synthesis no problem, but the composition of the text, encountered a little problem, Chinese has been garbled, began to think that no header declaration Utf-8, plus after the discovery or not, Then the text to be generated with iconv turned into utf-8 or not, searched, and finally found that the use of the generated text function has a problem, before the use of this imagestring (), it seems that the function of t

Php adds a text watermark and image watermark code to an image (13 ). Php adds text watermark and image watermark code to the image. this program calls C: \ WINDOWS \ Fonts \ SIMHEI when adding text watermark to the image. TTF font, you can customize the image when adding a

1.Thinkphp image ProcessingIn the TP frame, we often use the image upload, I recently wrote a lot about the picture upload article, thinkphp picture upload +validate form verification + picture Trojan detection + thumbnail generation, and so on, today write about the picture after the successful upload to the image watermark text or add a picture watermark,　　1.1 Picture processing classes and librariesFirst

PHP image upload Watermark (automatically add watermark)//* This is a perfect php file upload code, the image upload success and automatically add water to the picture, so that a good quick to improve the effect of a single sheet to increase the watermark. PHP Tutorial Image upload watermark (automatically add

A regular website, in the need to upload pictures, often need to add their own website logo watermark. So how do you implement this step? First of all, let us understand the principle of PHP image plus watermark. Create a graph by judging the file type, and then copy it to the original created graph, populate and build the rectangle, prepare to write imagestring () or determine the