private static int LoadDer(GamePicture.PicInfo parent, int x, int y, int w, int h)
{
int der_h;
if (
x < 0 || IntTools.IMAX < x ||
y < 0 || IntTools.IMAX < y ||
w < 1 || IntTools.IMAX - x < w ||
h < 1 || IntTools.IMAX - y < h
)
{
throw new GameError();
}
// ? 範囲外
if (
parent.W < x + w ||
parent.H < y + h
)
{
throw new GameError();
}
der_h = DX.DerivationGraph(x, y, w, h, parent.Handle);
if (der_h == -1) // ? 失敗
{
throw new GameError();
}
return(der_h);
}
private static void UnloadPic(GamePicture.PicInfo handle)
{
handle.Dispose();
}