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Thread: SDL_TTF - Memory leak when drawing text

  1. #1

    [Solved] SDL_TTF - Memory leak when drawing text

    Hey guys.

    I am currently playing around with SDL and am having a memory leak when rendering some text. I have found out that the code causing the memory leak is the one below. The code is simplified.

    For I:= 0 To High(FElements) Do
        Color.r:= 255;  Color.g:= 0; Color.b:= 0; // Color is of type TSDL_COLOR.
        Tmp:= TTF_RenderText_Blended(FElements[I].Font, 'Some text', Color); // Tmp is a pSDL_SURFACE.
        SDL_BLITSURFACE(Tmp, NIL, Screen, Rect); // Rect is a pSDL_RECT.
    The problem is that although I know the leak is there (I suspect it is the pSDL_SURFACE), I don't know how to fix it. Any help would be appreciated.

    Last edited by T-Bear; 02-01-2014 at 10:34 PM.

  2. #2
    Quite simply, you need to either store the surface somewhere and reuse it, or call SDL_FreeSurface() as soon as you're done with blitting.

  3. #3


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