Returning Nothing when applying certain transformations

Jonathan Malott

November 04, 2015 20:28

Hello,

I am trying to add a caption like in this example transformation:

When I try this same transformation with my own photo, it doesn't do anything:

But this works on the same image:

Is it a setting I'm not aware of or something else entirely? Thank you!

Comments

3 comments

Roee Ben Ari

December 06, 2015 10:55
In the Developers Tool's console you're getting the following HTTP response header:
```
X-Cld-Error:Unknown or invalid layer image black_bar of type upload
```
Meaning that an image with a public ID of 'black_bar', which you are asking for in your URL, was not found on your Cloudinary account.
0
Ryan Castle

December 14, 2016 00:29
The text overlay example doesn't describe it, but you actually need an image in your media library named "black_bar" which is flat black. Once that's created you reference with "l_black_bar" to add it as an overlay.
0
Maor Gariv

December 14, 2016 09:20
A newly introduced feature we have that can help you here is the ability to use fetched images as overlay.

Before using it we need to escape the image by encoding it to base64 -

The original image -

http://res.cloudinary.com/demo/image/upload/black_bar

its Base64 encoding -

aHR0cDovL3Jlcy5jbG91ZGluYXJ5LmNvbS9kZW1vL2ltYWdlL3VwbG9hZC9ibGFja19iYXI=

And now use it in the URL with `l_fetch:` instead of the older `l_black_bar` -

http://res.cloudinary.com/ufunny/image/upload/w_600/fl_relative,g_south,h_0.12,l_fetch:aHR0cDovL3Jlcy5jbG91ZGluYXJ5LmNvbS9kZW1vL2ltYWdlL3VwbG9hZC9ibGFja19iYXI=,o_60,w_1/co_rgb:eee,g_south_west,l_text:Doppio%20One_20:Photographer:%20Jonathan%20Doe,x_10,y_5/photo.jpg

This feature is currently only supported with dynamic URLs, SDK support is on its way...
0

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