From: NSW, Australia
The likely culprit for images not displaying in game is that the image editing software you are using is not defaulting to 8-bit RGB when saving a bitmap. Keep in mind the terminology can get confusing because an "8-bit RGB" BMP file is also properly called "24-bit" BMP file as well.
8-bit RGB means 8 bits for each of the three Red Green and Blue color channels, hence giving you 24 total bits.
Reg, the reason re-saving the images in MS Paint and such works is because the standard BMP file format specification calls for 24 bits spread symmetrically through the three chroma channels. Fancier image editing software is more likely to give additional options with regards to the specific file format, whereas the more straightforward programs like Paint are going to default to the most common standards.
I'm a Photoshop user myself, but look for the following menu in GIMP (saving as a BMP by exporting the file?):
If only it were that simple.
I was already aware of the bitmap format options but you are probably correct in your explanation. The Gimp R8G8B8 or any other available option does not produce (on my machine) a bitmap capable of being displayed on my machine (though I'm sure it used to). Loading and saving the file under Irfanview fixes the issue.
I have also downloaded some of ChemKids panels that had the same issue so I'm going to blame something on my PC (the Win8 codecs??).
EDIT: ....or maybe it is. The "Do not write colour space information" flag appears to be important!!
I have never really noticed it before and just left it unset (default). Tried it just now with this flag set and Gimp seems to be able to produce good bitmaps...
Woo Hoo, thanks for your tip!!!
< Message edited by Reg -- 8/18/2016 10:09:24 AM >
(One day I will learn to spell - or check before posting....)
Uh oh, Firefox has a spell checker!! What excuse can I use now!!!