Changing an image file type dynamically - html

I have a bunch of images stored on the server but their names do not have their file types set. In other words, on the server I have a file img/picture instead of img/picture.jpg.
If I display this as source in an HTML <img> tag, the image is properly displayed in the web page:
<img src='img/picture' />
However, this causes other problems. For example, if I pass this link to the Facebook Open Graph, it does not consider it to be containing image. It requires something like img/picture.jpg but that is invalid file on the server since it doesn't exist there. I do not want to copy every image in the folder so that it ends with .jpg so I'm thinking if there's a way dynamically to create new image that's called picture.jpg and send that link to Facebook without saving it to my own server?

Related

Can I link .png images I have stored in res/mipap to html files I have stored in android_asset, so WebView shows both text and images in an html file?

I have an Android app which uses the WebView function, it opens html files inside my app from a local host that have been stored in the android_asset folder when prompted. However, the WebView function only shows the text in the html file, it does not show the images that I have linked into the code of the html document, these are stored in res/mipmap. It is important to me that my app can show both text and images when I use WebView to open the html file. It is also important that the html files and the images are stored in a place that means they will be added to the installable (so that the user does not have to be connected to the internet to use the App or move any files around themselves). Is it possible to link an image stored on a local host in something like android_asset or res/mipmap so that I can see both text and the image when I open the html file in WebView?
The link to the images that does not work is in res/mipmap, it is: img src = "file:///mipmap-hdpi/car.png" alt = "Test Image"
I made a new folder inside android_asset called imagepng. I then put the .png's in this folder (so the link to the image in the htlml file looks like ). The html file now calls the .png image from this place and I can see it on the app. I do not know yet if this makes it into the installable so it can be run locally from the
smart phone..........My original mistake was trying to put the images directly into android_asset as it does not allow this.

Relative path in img tag to the same image from 2 files in the same folder is different

I have 2 cfm pages in the same folder, doing very similar things. They both produce some reports for user related data. I recently added a loading image to one because some of the queries to generate the reports can take a while.
The second page is a new but very similar page. Since the pages are in the same folder I figured the relative path to the loading image should be the same. However the new page is giving a 404 response for the image request, and when I check the http request header it is adding an extra folder to the relative path and thus unable to find the image.
<img src="../../../Graphics/General/loading.gif">
They are both very similar pages in that they display a simple form, then run some queries and generate a table to display the relevant data to the user. However the relative path above produces "Dev/Menu/Graphics/General/loading.gif" in one page and "Dev/Graphics/General/loading.gif" on the other.
I've since figured out that adding an extra "../" to the image path in the new file has fixed it for the new page, however I am at a loss for why this fix was necessary and why it worked.
<img src="../../../../Graphics/General/loading.gif">
I would expect that since both pages are in the same exact folder, that the relative path to the given image would be exactly the same. I am mostly just curious why that is not the case.
The two reports are in the same folder. Are you loading these pages directly?
yourSite.com/reports/report1.cfm
yourSite.com/reports/report2.cfm
Or are these files loaded via other parent pages?
yourSite.com/some/other/folder/with/include_report1.cfm
yourSite.com/yet/another/folder/that/contains/include_report2.cfm
Often, it's better to load images directly from web root in order to avoid relative pathing issues like these. If the Graphics folder is at the root, then just reference the image in both files like so:
<img src="/Graphics/General/loading.gif">
This way, it doesn't matter what file includes them and renders the final HTML to the browser, the image will be referenced from the web root no matter what.

Add image data to html file?

My goal is to create one HTML file, that contains everything that it needs for it's proper functioning.
I've added my .css's content to the html head between <style> tags, my javascript just before the closing body tag between <script> tags, but how can I do the same thing with my images?
The "img" tag's "src" obviously won't work if I copy my HTML to another computer.
Any suggestions?
Convert image to base64 (however it is not recommended for large images)
For example
<img src="data:image/gif;base64,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">
To convert image to base64, you can use HTML5 canvas toDataUrl.
Just upload your images to the site imageBB copy the source link paste it into your HTML file. This way the images will be loaded directly from the server and you don't need to copy the images in every system you need to load your site.
Pros:
1)You can load the image from the server directly.
2)No need to copy the images repeatedly in every system
cons
1) The system which you want to load the site needs to have an internet connection.

How to add your own picture on html?

How would you proceed to add a picture to a website (in html or css) from your own computer?
I know how to add a picture using a url but what if the picture is stored in a folder on my computer and not on the internet?
<img src="path/to/image/image.png">
You only have to give the location of the image, use as reference the .html location.
Exs.:
<img src="image.png">
if your image is in the same folder of your html file.
<img src="../image.png">
if your image is outside of folder where your html file is and so on.
When you do that, you are going to be the only one able to access your page. If you want other people to see it you should be stored in a public folder in your web server. Look for XAMPP if you are a windows user.
If the website is hosted on your computer then you can use your images stored on your computer.You can use <img> html tag to display image.
Otherwise if it is on some remote server, then you will need a static ip and a server on your computer to host images to remote server. It is not possible to have have server on remote internet location and images on local.
If website is on internet then copy the image to server and provide path.
You can using the img tag to do this
https://jsfiddle.net/moongod101/dh55b4rz/
PS: I'm the creator of Codepenimg
Let’s pretend we have an image of a car on our computer saved as “funny-dog.jpg” and we want to insert it into a webpage; this is the code we would use:
<img src="funny-dog.jpg">
Let’s analyze this code. First, is the code for creating an image element. Next, the letters “src” are used as an attribute and stand for “source”. Basically, we need to provide the web browser with a value to the source of the image. Naturally, the value for the source attribute is “funny-dog.jpg”. This example assumes your image file is located in the same directory as your HTML file. If, for example, you had your image file inside a folder named “images” your code would look like this:
<img src="images/funny-dog.jpg">
There is one additional bit of code we must add before we are finished. We must assign an “alt” attribute and value to our image. The “alt” attribute stands for “alternative” and is used to provide a text-based alternative for viewers incase the image will not load, or if they are visually impaired. Here is what our code will look like:
<img src="funny-dog.jpg" alt="A funny dog sitting on the grass.">

Including images in a Genshi/Trac template

I am trying to include some images in a Genshi template for my Trac plugin, but it always shows only the alternative text because it cannot find the images.
I have the following (X)HTML code:
<div>
<img src="file://c:/path/to/image.png" alt="asdf" />
</div>
When I use this code with a simple html file and open it in the browser, the image is displayed correctly, which means that both the path and syntax are correct.
But when I insert the code snippet into a Genshi template and use it within Trac, the image cannot be found. However, when I look at the HTML source code in the web browser and copy the URLs into a new browser tab, it is again displayed correctly. This means that only the server cannot find the image.
The images are in a directory inside the python-egg file, and the path points directly to the directory created by Trac, which also contains my CSS and HTML files, both of which are loaded correctly. The images are correctly referenced in the setup script which creates the egg.
How do I have to reference images in (X)HTML documents when using them with a server?
Is there a special way to include images in Genshi documents? (I haven't found one.)
Thanks to the comment of RjOllos and this site I was able to fix it by trying all of the URL types. Although it says for a plugin to be /chrome/<pluginname>, it was actually just /chrome that worked. See the edit below! So the full URL is then <ip>:<port>/chrome/path/to/image.png.
EDIT: I discovered I actually used the /chrome/pluginname version, just that I did not use the name of my plugin as "pluginname". See my comment below. It seems like /chrome/pluginname should actually be /chrome/htdocsnameor something like that, in case you use a different name rather than the plugin name when implementing the ITemplateProvider. In my case I called it images, which was the same name as the folder. END OF EDIT
Another mistake I made was forgetting the initial slash (chrome/path/to/image.png), which caused Trac to assemble the URL to <ip>:<port>/<current page>/chrome/path/to/image.png.