Add watermarks to PHPimagecopy () and imagecopymerge () images. There are many ways to add watermarks to images in php. these functions are based on the GD Library in php. if you do not have an account, you cannot use the watermark function. There are many ways to add watermarks to imagecopymerge images in php. these functions are based on the GD Library in php. if you do not open a GD library, you cannot use the
/*Note: generate a watermark. You can generate a file based on the top left, bottom left, top right, bottom right, center, and transparency. This file is only valid for JPEG or JPG formats!Author: Blue. DreamDisclaimer: Recently, many websites have quoted my articles and omitted the author's information. Please refer to this article and do not omit the author's information.*/Using system;Using system. drawing;Using system. Drawing. imaging;Using syste
First KindThe second KindLet's take another look. Supports adding watermarks to images in both image and text ways. Image support Gif,png,jpg Three formats, watermark image support PNG and GIFFunctionsetwater ($IMGSRC, $MARKIMG, $markText, $TextColor, $markPos, $fontType, $markType) {$ srcinfo= @getimagesize ($IMGSRC); $srcImg _w= $srcInfo [0];$ srcimg_h= $srcInfo [1];switch ($srcInfo [2]) {case1: $SRCIM =imagecreatefromgif ($IMGSRC);break; case2: $sr
convert PDF to Word
Step one: This use word2013 to remove the PDF file watermark is very effective, first open word2013, enter word new blank page, click on the top left corner "file."
Step two: Under the File option, locate and click "Open". Then in the relevant column, click on the "Computer" into the computer to open the need to remove the Watermark PDF file.
Step three: Loc
How to add a watermark to excel in C #
We know that Microsoft Excel does not have built-in functionality to add watermarks directly to Excel tables, but there are other workarounds that can be used to solve this problem, such as by adding a header picture or WordArt to mimic the appearance of the watermark. So in this article, I'll show you how to add a watermark
You can use {Y}{m}{n} to become the current date
Set_dir (DirName (__file__). ' /upload/', ' {y}/{m} '); Save path, support {y}{m}{d} these several options
$up->set_thumb (100,80); Thumbnail size setting. Units in pixels
$up->set_watermark (DirName (__file__). ' /jblog/images/watermark.png ', 6,90); Watermark Settings
$fs = $up->execute (); Start execution
Var_dump ($FS); Scenarios for testing the view class
}
at present, QQ space and Sina Weibo and other social software, shared images are mostly added watermark. After adding a watermark, the photos become unique, as if they were adding a personal signature. Can be very good to prevent people from stealing your photos, but also can let others look at the watermark on the above to get some information about the photos.
Watermark is to prevent us from stealing our pictures.
Two ways to realize the effect of watermarking
1) can add watermark when the user uploads.
A the benefits: compared to 2 methods, each time the user read this picture, the server directly sent to the customer.
b) Disadvantage: The original picture was destroyed.
2 through the Global general processing program, when the user requests this picture, a
Using PHP to upload the image watermark program is to determine the file type to build graphics, and then copy it to the original set up the graphics, fill and build rectangle, in order to write imagestring () or the original has been fixed image program to determine the watermark type: One is a string, Another is to add a graphic object on top. If you are familiar with PHP's GD library, read this article i
This article summarizes two php functions that can be used to add watermarks to images. The first one is easier to understand and the second one is more powerful and encapsulated, if you have any need, you can refer to php to add a watermark to an image.
Let's take a look at adding watermarks to images and text. Images can be in GIF, PNG, or JPG formats. Watermarks can be in PNG or GIF formats.
Function setWater ($ imgSrc, $ markImg, $ markText,
Like PDF, in Word, the watermark is also divided into image watermark and text watermark, add image watermark to the document can make the document become more beautiful, more attractive. Text watermark can protect the document, remind others that the document is protected b
PHP example: add a watermark to the uploaded image. The program that uses php (as the mainstream development language) to add a watermark to the uploaded image creates a graph by judging the file type and then copies it to the original image, filling and setting up re the program that uses php (as the current mainstream development language) to add a watermark to
This article is mainly for you to introduce the PHP thumbnail generation and image watermark production process, PHP to achieve watermark addition and thumbnail generation of related steps, with a certain reference value, interested in small partners can refer to
1. Start
In the website upload picture process, often use the thumbnail function. Here I wrote a picture of the image class, can generate thumbna
This article summarizes two php functions that can be used to add watermarks to images. The first one is easier to understand and the second one is more powerful and encapsulated, if you have any need, you can refer to php to add a watermark to an image.
Let's take a look at adding watermarks to images and text. Images can be in GIF, PNG, or JPG formats. watermarks can be in PNG or GIF formats.
Function setWater ($ imgSrc, $ markImg, $ markText,
Convert a PDF to Word using Word2013:
Step 1: This use word2013 to remove the PDF file watermark is very effective, first open word2013, enter word new blank page, click on the top left corner "file."
Step 2: Under the File option, locate and click "Open". Then in the relevant column, click on the "Computer" into the computer to open the need to remove the Watermark PDF file.
Step
Program
If you are familiar with PHP's GD library, it is not difficult to read this article!/******************************************************************************Parameter description:$max _file_size: Upload file size limit, unit byte$destination _folder: Upload file path$watermark: Whether additional watermark (1 for Watermark, other for no
This article describes how to use the imagecopy function to add an image watermark for PHP image processing. This article provides a simple entry-level User-Defined Function example. For more information, see
This article describes how to use the imagecopy function to add an image watermark for PHP image processing. This article provides a simple entry-level User-Defined Function example. For more informati
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