PHP image processing, PHP image text watermark, PHP how to add a watermark, PHP watermark function, PHP generate a watermark
Today, I will share with you the source code of the function that is frequently used in PHP website development to add watermarks to images. it was written by the PHP blog and tested in person, y
/*
* 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;
* For th
Many friends have prepared a lot of beautiful pictures, posted online, and watched their work stolen by others, how to do can make your picture is very good use, look at the following textbook
1: Open your watermark file, as shown below
2: Copy watermark (How to copy, look at the figure below, CTRL + C (shortcut key) copy)
Note:1: Look at the level of the layers panel, you are not selected to the l
The realization of watermark function is mainly depend on these function function operation
1.imagecreatefromjpeg//Open JPG picture 2.imagecreatefromgif//Open GIF picture3.imagecreatefrompng//Open PNG picture4.imagecreatefromwbmp//Open wbmp picture (less use)5.getimagesize//Get picture size information6.imagecopymerge//Integrate multiple images (main function to add watermarks)7.imagejpeg//save JPG Picture8.imagegif//Save GIF picture9.imagepng//Save
In the front we have a preliminary understanding of the Word 2007 document to insert the Watermark method of setting, mainly through the watermark style to choose from. If you do not find the watermark you want in the style, then you can customize the watermark, can be a text water
Php image watermark function code (supports pictures and text)
/*
* Function: php image watermark (watermarks support images or text)
* Parameters:
* $ GroundImage: specifies the background image to be Watermark. Currently, only GIF, JPG, and PNG formats are supported;
* $ WaterPos
Like PDFs, in Word, watermarks are divided into image watermarks and text watermarks, and adding a picture watermark to a document can make the document more beautiful and appealing. A text watermark protects the document by reminding others that the document is copyrighted and cannot be copied at will. Before I shared how to add a watermark to the PDF, someone a
Adding watermarks to Images Using ASP requires components... common applications include aspjpeg software and wsImage software developed by the Chinese people. You can search and download the two software online. We recommend that you use the wsImage developed by the Chinese people. After all, it is a Chinese version and easy to operate.
How to register Components:Enter "regsvr32 [Dll path]" at the command prompt.Adding a watermark to an image is not
The code is as follows
Copy Code
Original image $DST = "/upload/20120914/20120914040740-0.jpg"; Note that the picture path should be correct Get the original picture information $DST _info = getimagesize ($DST); Switch ($DST _info[2]) { Case 1: $DST _im =imagecreatefromgif ($DST); Case 2: $DST _im =imagecreatefromjpeg ($DST); Case 3: $DST _im =imagecreatefrompng ($DST); Case 6: $DST _im =imagecreatefromwbmp ($DST); Default Die ("Unsupported file type 1"); exit; }
Using System;Using System.IO;Using System.Collections;Using System.Drawing;Using System.Drawing.Drawing2D;Using System.Drawing.Imaging; Namespace Imag_writer{Type of watermarkpublic enum Watermarktype{Text watermarkTextmark,Picture watermarkImageMark//Temporarily only add text watermark}; The location of the watermarkpublic enum Watermarkposition{Upper left cornerWmp_left_top,Lower left cornerWmp_left_bottom,Top right cornerWmp_right_top,Lower right c
1. Add watermarks to images
CopyCode The Code is as follows: Dim jpeg "" // declare the variable
Set JPEG = server. Createobject ("persits. JPEG") "// call the component
JPEG. Open Server. mappath ("AAA. jpg") "// source Image Location
JPEG. Canvas. Font. Color = h000000 "// watermark font color
JPEG. Canvas. Font. Family = "" "// watermark font
JPEG. Canvas. Font. size = 14 "//
Last done a picture watermark, the effect is very poor, no way to make the picture background transparent, with the background transparent GIF will automatically fill into white. With the function of removing a certain color, the picture color is always impure, the effect that comes out is stained dot. Today brainwave, put these two together, with the background transparent GIF, and extract watermark backgr
Today encountered a demand for the upload map covered with watermarks, on the internet to find a long time is set in the specified location watermark, the following code is I find the code online, and then transformed into. Let's look at the effect chart first.
Here's how to implement it:The first step: the use of PS or beauty map software design watermark images, such as:
Step two: Put the following
word2013 How to remove a watermark? The Word document we find on the internet will have a watermark, how to remove it? The following small series to teach everyone word2013 to remove the watermark of the tutorial, you will encounter a watermark of Word documents, you can easily remove, whether it is a text
Finally, listen to the opinions of others, change a train of thought. Place the watermark and the content you want to print in a Div, set a higher level for the printed div so that the watermark is naturally at the bottom. Put some code on the following: HTML:Divclass= "Big-div"> Divclass= "Bg-div"> imgsrc= "Images/bg-zkz.png"> Divclass= "Small-div"> Div> Div>Div>
PHP thumbnails and image watermark creation,
1. Start
Thumbnails are often used in the process of uploading images to websites. Here I wrote an Image class for Image processing, which can generate thumbnails and add watermarks.
2. How to generate a thumbnail
The key to generating a thumbnail is how to calculate the zoom ratio.
Here, based on several common changes in image proportional scaling and width height, I come up with an algorithm for calculat
ErrorMsg;} /*** parameter settings * @author sanshi0815* @param string$font font file with a directory text watermark using * @param string$watermark watermark text or image address * @param string$ Srcfile Original Image Address * @param string$dstfile generate new picture address * @return NULL no return value */public function set ($font, $
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.