public static Point RandomTrimmingCenter(Element element, Bitmap img)
{
double angle = element.angle * Math.PI / 180.0;
Point ret = new Point();
Size ellipseSize = new Size((int)(Math.Abs(element.xr * Math.Cos(angle)) + Math.Abs(element.yr * Math.Sin(angle))),
(int)(Math.Abs(element.xr * Math.Sin(angle)) + Math.Abs(element.yr * Math.Cos(angle))));
Bitmap ellipseBound = new Bitmap(ellipseSize.Width, ellipseSize.Height);
Graphics eg = Graphics.FromImage(ellipseBound);
eg.Clear(backColor);
eg.InterpolationMode = InterpolationMode.HighQualityBicubic;
eg.PixelOffsetMode = PixelOffsetMode.HighQuality;
eg.TranslateTransform(ellipseSize.Width / 2, ellipseSize.Height / 2);
eg.RotateTransform(element.angle);
eg.FillEllipse(Brushes.White, new Rectangle(-element.xr / 2, -element.yr / 2, element.xr, element.yr));
eg.Dispose();
//ellipseBound.Save("ellipse.png");
BitmapData data = ellipseBound.LockBits(
new Rectangle(0, 0, ellipseSize.Width, ellipseSize.Height),
ImageLockMode.ReadWrite,
PixelFormat.Format32bppArgb);
byte[] buf = new byte[ellipseSize.Width * ellipseSize.Height * 4];
Marshal.Copy(data.Scan0, buf, 0, buf.Length);
ellipseBound.UnlockBits(data);
List<int> points = new List<int>();
for (int i = 0; i < ellipseSize.Width * ellipseSize.Height; i++)
{
if (255 <= buf[i * 4 + 3])
{
points.Add(i);
}
}
int[] pointArray = points.ToArray();
while (true)
{
int index = pointArray[MyRandom.Next((uint)pointArray.Length)];
Point p = new Point((index % ellipseSize.Width - ellipseSize.Width / 2), (index / ellipseSize.Width - ellipseSize.Height / 2));
ret.X = p.X + element.pos.X;
ret.Y = p.Y + element.pos.Y;
try
{
if (img.GetPixel(ret.X, ret.Y).A >= 255)
{
break;
}
}
catch (Exception)
{
Console.WriteLine("GetPixelメソッド参照範囲外");
continue;
}
}
return ret;
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
if (img != null) img.Dispose();
img = new Bitmap(imgPath + comboBox1.Text + ".png");
pictureBox1.Image = img;
label10.Text = (comboBox1.SelectedIndex + 1) + "/" + comboBox1.Items.Count;
elements = new Element[comboBox5.Items.Count - 1];
for (int i = 0; i < elements.Length; i++)
{
elements[i] = new Element();
}
LoadSetting();
SetValue();
pictureBox1.Refresh();
}
public static Bitmap TrimmingBitmap(Element element, Bitmap origin, Size size)
{
Bitmap ret = new Bitmap(size.Width, size.Height);
Graphics g = Graphics.FromImage(ret), gr = Graphics.FromImage(origin);
Point center = RandomTrimmingCenter(element, origin);
centerLast = center;
//gr.InterpolationMode = InterpolationMode.HighQualityBicubic;
//gr.PixelOffsetMode = PixelOffsetMode.HighQuality;
//gr.TranslateTransform(center.X, center.Y);
//gr.RotateTransform(element.angle);
//gr.FillEllipse(Brushes.Red, -5, -5, 10, 10);
//gr.Dispose();
g.Clear(backColor);
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.DrawImage(origin, new Rectangle(0, 0, size.Width, size.Height), new Rectangle(center.X - size.Width / 2, center.Y - size.Height / 2, size.Width, size.Height), GraphicsUnit.Pixel);
g.Dispose();
return ret;
}
private void LoadSetting(string file, int elementNum)
{
string path = settingPath + file + ".txt";
using (StreamReader sr = new StreamReader(path, Encoding.GetEncoding("Shift_JIS")))
{
identity = new Identity();
identity.name = sr.ReadLine();
identity.kind = int.Parse(sr.ReadLine());
identity.update = int.Parse(sr.ReadLine());
identity.damage = int.Parse(sr.ReadLine());
for (int i = 0; i < elementNum; i++)
{
sr.ReadLine();
sr.ReadLine();
sr.ReadLine();
sr.ReadLine();
sr.ReadLine();
}
element = new Element();
element.pos.X = int.Parse(sr.ReadLine());
element.pos.Y = int.Parse(sr.ReadLine());
element.xr = int.Parse(sr.ReadLine());
element.yr = int.Parse(sr.ReadLine());
element.angle = int.Parse(sr.ReadLine());
}
}