On 13.07.2012, at 01:28, Greg Ercolano wrote:
> I added a little example to the cheat page to show how to use
> Fl_PNG_Image
> to output PNG pixel data in C/C++ readable hex format:
>
> http://seriss.com/people/erco/fltk/#Fl_PNG_Hex_Dump
>
> I find it often useful to 'inline' PNG files into apps for the same
> reason
> .pixmaps are useful, only PNGs are great in that they handle 8bit alpha,
> useful for smooth overlays.
>
> I always find it a nuisance to have to look around for ways to get a
> hexdump
> of pixel data, so having this kinda saves the trouble.
>
> Can probably be easily modified to support all the FLTK image formats,
> but I almost always find myself working with PNGs when it comes to
> images
> containing transparency.
Starting with FLTK 1.3 (svn?), Fluid has a new type that allows to store
arbitrary files as binary data in "C" source code. It's in "New -> Code ->
Binary Data". Enter any filename, and a binary dump will appear in the source
code. By assigning a variable name, the data can then be read using
Fl_PNG_Image *img = new Fl_PNG_Image("someName", myBinaryData,
sizeof(myBinaryData));
This is also supported for Fl_JPEG_Image.
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