Very powerful PHP image processing class, you can customize the image watermark, transparency, image scaling, image sharpening, picture rotation, picture flipping, picture cutting, picture inverse color. The specific code is as follows:
/*** Image processing functions: Zoom, cut, frame, watermark, sharpen, rotate, flip, transparency, invert color* Process and save the history of ideas: when there are c
Today most netizens are accustomed to searching and browsing the pictures on the internet, although the image resources on the internet are rich, but there is also a problem, that is, many pictures on the internet have "watermark", very "unsightly". So is there any good way to remove the watermark of the picture? The answer is yes. Today I teach you three great tricks, use the cow image to remove the
Know the usage, to implement our function is simple, with the following code can be easily implemented
The code is as follows
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Header ("Content-type:image/jpeg"); Original image$DST = "Images/flower_1.jpg"; Get the original picture information$DST _im = Imagecreatefromjpeg ($DST);$DST _info = getimagesize ($DST); Watermark Image$SRC = "Images/logo.gif";$src _im = imagecreatefromgif ($SRC);$src _info = getimagesi
The code is as follows
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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
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 effect of adding watermarks to images is a feature that almost all programmers must use. I will share a very good program code for adding watermarks to lossless images in asp.net. I hope this will be helpful to everyone.
Watermarks are used to prevent image theft.
Two ways to achieve the watermark Effect
1) You can add a watermark when uploading a file.
A) Benefits: Compared with the two methods, each t
PHP image upload class; support for watermark-date folder-generating thumbnails; support for multifile Upload
You can use {Y} {m} {n} to change the current date.
Set_dir (dirname (_ FILE __). '/upload/', '{y}/{m}'); // save path. the options {y} {m} {d} are supported.
$ Up-> set_thumb (, 80); // Set the thumbnail size in pixels.
$ Up-> set_watermark (dirname (_ FILE _). '/jblog/images/watermark.png', 6, 90); //
/**************************************************************
Parameter description:
$max _file_size: Upload file size limit, unit byte
$destination _folder: Upload file path
$watermark: Whether additional watermark (1 is watermark, the other is not watermark);
Instructions for use:
1. Remove the "Extension=php_gd2
Now sellers open shop, shop baby pictures are basically the sellers of their own real shot. Hard to take out the photos, in order to prevent bad sellers steal pictures, need to add text and watermark in the baby picture. General shop, baby picture Less said there are hundreds of, batch add text and watermark, you can save a lot of drawing time and energy.
(text, that is, the name of the shop, shop address,
Find information on the Internet, often encounter watermark files, and in the above small series has already told us how to remove the watermark method. So now the small part to talk about their own certain confidential documents to take security measures, how to use WPS to add watermarks.
First, insert the default watermark
In the "Insert" menu to find the "
Never thought the watermark can be so beautiful! Today, Wang teacher to the students to say an unknown watermark technique, instant upgrade picture style, attached to two particularly popular watermark production tutorial, to collect!
Wang: As a kind of image watermark idea and design style explanation, this paper is
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 we can actually work around this problem in other ways, 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 to Excel b
Watermark is to prevent us from stealing our pictures.Two ways to realize the effect of watermarking1) 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, add waterma
PHP to the image watermark relative to the ASP, it is much simpler, look at the following code:
/*****************************************************
Parameter description:
$max _file_size: Upload file size limit, unit byte
$destination _folder: Upload file path
$watermark: Whether additional watermark (1 for Watermark
Add Chinese and image watermark codes for php images. $ Ico_pic is the watermark image you want to add a watermark to the image. other parameters are described in detail, if you look for this type of code, you can download and save it as a php file. then, the caller $ ico_pic mentioned later is the watermark image you
From the Internet to find the predecessors to write code, and then optimize the collation, the realization of the image overlay watermark, that is, the text overlay, and then realize the total text according to the length of the automatic line-wrapping overlay Text
ImportJavax.imageio.ImageIO;Importjava.awt.*;ImportJava.awt.image.BufferedImage;ImportJava.io.File;ImportJava.io.FileOutputStream;/** * Created by Uchoice on 2016/11/25. */Public classMyT
, the table will also be the original 1024 blocks. Iv. high watermark HWM in Oracle table segments In the storage of Oracle data, storage space can be imagined as a reservoir, the data is imagined as water in the reservoir. The position of the water in the reservoir is a line called the watermark, in Oracle, this line is called the High watermark (High-warter ma
The removal of watermarks from images must be something that most Photoshop users need to deal with. On the one hand, they want to protect the author's rights and interests, and on the other hand, they can promote themselves, therefore, the removal of watermarks is essential for PS experts. Today, I will introduce you to five common and simple watermark removal methods. it must be something that most Photoshop users need to deal with to remove waterma
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