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I wish to be sincere… I’ve already requested this query in a distinct (extra detailed) type on Stack Overflow, however sadly i have never obtained a helpful reply but:
https://stackoverflow.com/q/77469824/22902214
I have been engaged on a 2D sport for a while and there must also be an editor in it. A deliberate a part of it is a sprite cutter, which breaks down sprite sheets into adjustable particular person components and saves them (additionally with colour keying if needed) as a png file.
Nonetheless, we’d like the pixel knowledge of the feel (which is SDL_TEXTUREACCESS_TARGET) in an effort to convert it into an SDL_Surface to put it aside. This may solely be finished with SDL_RenderReadPixels().
For some purpose that I do not know (Android? / Pill-{Hardware}?), the SDL_RenderReadPixels perform would not give me any pixels with usable colour values. I’ve actually tried all the things possible to alter that.
Right here you see authentic colours:
That is what i get after SDL_RenderReadPixels():
And right here i attempted to repair the colours with my rearrangePixels methodology:
For the detailed code i exploit please click on on the hyperlink on the highest.
I can not proceed my mission that I’ve been engaged on for a number of years with out correcting this problem.
Assist!
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