c++ read image pixels
I want a c++ Code to read every pixel from an image file. and i want to save the pixels like: r[] g[] b[] does somebody know how to do this? ...
I want a c++ Code to read every pixel from an image file. and i want to save the pixels like: r[] g[] b[] does somebody know how to do this? ...
is there some client components (jquery/swf) that will give the possibility to upload and crop (user should be able to select the area to crop) an image in the browser and then send the cropped image to the server I'm on asp.net-mvc (not sure if it matters) ...
Is it possible to display a base64 encrypted image into a JTextPane ? Here my code JTextPane jTextPane = new JTextPane(); javax.swing.text.html.HTMLEditorKit eKit = new javax.swing.text.html.HTMLEditorKit(); jTextPane.setEditorKit(eKit); jTextPane.setContentType("text/html"); // my base64 image, used then in the img tag in the html...
I am embedding tracking images within emails that are being sent from a custom-built opt-in CRM system. The image src is an encoded .gif, such as src="12_34_675.gif". The image is served by an ASP.NET httphandler that decodes the src encoding and serves a transparent image. Everything works fine, but some email clients request the ima...
I'm writing an image server which needs to handle a relatively large number of concurrent requests (~5,000). The images being served are dynamically scaled down and cropped based on per-image specifications, which are queried from a database. The number of images is rather large, so an in-memory cache isn't viable (thrashing would most ...
I've written a website in PHP and it will have ability for users to upload images. My website will have more than 100.000 users. Aprox. 1k users will upload image about 50 KB. And every image will be displayed on this website 5k times so it's transfer of: 1k x 50 KB x 5k = 250 GB per month. So my question is: Do you know any good solu...
Hi, I am designing a jpeg to bmp decoder which scales the image. I have been supplied with the source code for the decoder so my actual work is to design a scaler . I do not know where to begin. I have scouted the internet for the various scaling algorithms but am not sure where to introduce the scaling. So should I do the the scaling a...
Hi, *************EDIT********** i am using ODBC and found that can not read more than 4096 for a field Any suggestions *************EDIT************ i am reading an image from db $image=$row["image-contents"]; Now try to write the file to disk $image_name="test.jpg"; $file = fopen( "images/".$image_name, "w" ); fwrite( $file, $i...
I have a php script which outputs an image, how can I POST data to it and display the resulting image without refreshing the rest of the screen, so far I have got the code below which returns a png. function go(){ $.post("test_image.php", $("frm").serialize(), function(data){ //alert(data);//proves a png image is returned. ...
I have two png image files that I would like my android app to combine programmatically into one png image file and am wondering if it is possible to do so? if so, what I would like to do is just overlay them on each other to create one file. the idea behind this is that I have a handful of png files, some with a portion of the image o...
I have an issue where the local version of django is handling image upload as expected but my server is not. Note: I am using a Django Container on MediaTemple.net (grid server) Here is my code. def view_settings(request): <snip> if request.POST: success_msgs = () mForm = MainProfileForm(request.POST, request.FILES, instan...
Hello, I am developing a web application that calls web services developed by a third party to send/receive data from a clients database. I am building the application using ASP.NET 3.5 C#. The way that they are providing me images is in BLOB format. I call their method and what I get back is a DataSet with 2 fields "logo_name" and "lo...
I have a large image and only want a rectangle portion of it to be a hot spot link that goes "Home". Here is my code that is not working. Any help on what I am missing or have done wrong? Thanks! <div id="defaultPic" runat="server"> <img src="Images/boardwise-home.jpg" alt="Boardwise Home" usemap="#map" /> <map name=...
Hi, I have a form with black background, with 9 picture boxes. When the program starts, I want to show 9 images using these picture boxes. However, the picture boxes take time to load the picture. It is quite ugly that the picture boxes show up first while waiting. Is there a way I can move from blank black screen to straightaway 9 im...
I am trying to overlay two images in my app, but they seem to crash at my canvas.setbitmap line. what am I doing wrong? private void test() { Bitmap mBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.t); Bitmap mBitmap2 = BitmapFactory.decodeResource(getResources(), R.drawable.tt); Bitmap bmOverlay =...
Hi, If I have an image of which I know the height and the width, how can I fit it in a rectangle with the biggest possible size without stretching the image. Pseudo code is enough (but I'm going to use this in Java). Thanks. So, based on the answer, I wrote this: but it doesn't work. What do I do wrong? double imageRatio = bi.getH...
What's the simplest C image library for loading and saving? I just want a 2D array to test some algorithms, and built-in functions are not needed. ...
I've been searching for a plugin of TinyMCE that allows to upload and insert an image in the text, the problem I've found with many plugins is allowing to see and select from a gallery of images of the server, that's a functionality I don't need or want, just allow the user to select an image from his computer, upload and insert it. The...
My code reads: import Image def generateThumbnail(self, width, height): """ Generates thumbnails for an image """ im = Image.open(self._file) When I call this function, I get an error: ⇝ AttributeError: type object 'Image' has no attribute 'open' However in the console: import Image im = Image.open('test.jpg') I ...
Hi, I write a simple program to print a image in JSF.... I have one image (sampleImage.png).. Already i connected my pc to printer.... Manually i open the image and select print option , then i got image from printer.... Now i want print image using javascript.... File name : imagePrint.jsp <%@page contentType="text/html" pageEncod...