public PictureData(Canvas2 discJacket, int frame_w, int frame_h)
{
if (discJacket == null)
{
throw new Exception("discJacket is null");
}
// g.DrawImage で「縮小」すると座標を整数にキャストしたようになるで、常に拡大されるように frame_wh より少し小さくする。
{
int targ_w = frame_w - MARGIN;
int targ_h = frame_h - MARGIN;
int w = targ_w;
int h = (int)(discJacket.GetHeight() * targ_w * 1.0 / discJacket.GetWidth());
if (targ_h < h)
{
w = (int)(discJacket.GetWidth() * targ_h * 1.0 / discJacket.GetHeight());
h = targ_h;
}
discJacket = PictureUtils.Expand(discJacket, w, h);
}
this.DiscJacket = discJacket;
this.BluredDiscJacket = PictureUtils.Blur(discJacket, BLUR_DEPTH);
PictureUtils.Filter_Color(this.BluredDiscJacket, Color.Black, WALL_DARKNESS_RATE);
this.MarginedDiscJacket = PictureUtils.PutMargin(discJacket, MARGIN, MARGIN);
this.Frame = new Canvas2(frame_w, frame_h);
}
public void SetDrakness(double rate)
{
PictureUtils.Filter_Color(this.Frame, Color.Black, rate);
}