Ejemplos de SDL_TraverseShapeTree en C++ (Cpp)

Ejemplo n.º 1

Archivo: SDL_shape.c Proyecto: Azurami/wagic

void
SDL_TraverseShapeTree(SDL_ShapeTree *tree,SDL_TraversalFunction function,void* closure) {
    SDL_assert(tree != NULL);
    if(tree->kind == QuadShape) {
        SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.upleft,function,closure);
        SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.upright,function,closure);
        SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.downleft,function,closure);
        SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.downright,function,closure);
    }
    else
        function(tree,closure);
}

Ejemplo n.º 2

Archivo: SDL_windowsshape.c Proyecto: Daft-Freak/vogl

int
Win32_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode) {
    SDL_ShapeData *data;
    HRGN mask_region = NULL;

    if( (shaper == NULL) ||
        (shape == NULL) ||
        ((shape->format->Amask == 0) && (shape_mode->mode != ShapeModeColorKey)) ||
        (shape->w != shaper->window->w) ||
        (shape->h != shaper->window->h) ) {
        return SDL_INVALID_SHAPE_ARGUMENT;
    }

    data = (SDL_ShapeData*)shaper->driverdata;
    if(data->mask_tree != NULL)
        SDL_FreeShapeTree(&data->mask_tree);
    data->mask_tree = SDL_CalculateShapeTree(*shape_mode,shape);

    SDL_TraverseShapeTree(data->mask_tree,&CombineRectRegions,&mask_region);
    SDL_assert(mask_region != NULL);

    SetWindowRgn(((SDL_WindowData *)(shaper->window->driverdata))->hwnd, mask_region, TRUE);

    return 0;
}