Method LoadPng

Source/Surface.cpp:324–366

}

bool cSurface::LoadPng(const std::string& pFile) {
    int32 width, height, bytesPerPixel;
    void* data = stbi_load(pFile.c_str(), &width, &height, &bytesPerPixel, 0);

    // Calculate pitch
    int pitch;
    pitch = width * bytesPerPixel;
    pitch = (pitch + 3) & ~3;

    // Setup relevance bitmask
    uint32 Rmask, Gmask, Bmask, Amask;
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
    Rmask = 0x000000FF;
    Gmask = 0x0000FF00;
    Bmask = 0x00FF0000;
    Amask = (bytesPerPixel == 4) ? 0xFF000000 : 0;
#else
    int s = (bytesPerPixel == 4) ? 0 : 8;
    Rmask = 0xFF000000 >> s;
    Gmask = 0x00FF0000 >> s;
    Bmask = 0x0000FF00 >> s;
    Amask = 0x000000FF >> s;
#endif
    auto Surface = SDL_CreateRGBSurfaceFrom(data, width, height, bytesPerPixel*8, pitch, Rmask, Gmask, Bmask, Amask);
    if (!Surface)
        return false;
    SDL_FreeSurface(mSDLSurface);
    mSDLSurface = Surface;

    mIsLoadedImage = true;
    mWidth = mSDLSurface->w;
    mHeight = mSDLSurface->h;

    if (g_Window->GetRenderer()) {
        SDL_DestroyTexture(mTexture);
        mTexture = SDL_CreateTextureFromSurface((SDL_Renderer*)g_Window->GetRenderer(), mSDLSurface );
        SDL_SetTextureBlendMode(mTexture, SDL_BLENDMODE_ADD);
        SDL_SetTextureAlphaMod(mTexture, 0xa0);
        SDL_SetTextureColorMod(mTexture, 0xFF, 0xFF, 0xFF);
    }

    return mSDLSurface != nullptr;
}

void cSurface::Save() {