private void TransformbyOrigin()
{
int angle = trackBar1.Value;
int move_x = Decimal.ToInt32(TranslationX.Value), move_y = Decimal.ToInt32(TranslationY.Value);
double scale = ScaleBar.Value / 10.0;
Bitmap image = new Bitmap(Image.FromFile(this.filename));
Bitmap createImage = new Bitmap(pictureBox1.Width, pictureBox1.Height);
// 原点に移動
int biasX = createImage.Width / 2 - this.ImageSize.X / 2;
int biasY = createImage.Height / 2 - this.ImageSize.Y / 2;
// アフィンマトリックスを作成
AffineMatrix aMatrix = new AffineMatrix();
aMatrix.SetMatrix(angle, move_x + biasX, move_y + biasY, scale);
for (int y = 0; y < createImage.Height; y++)
{
for (int x = 0; x < createImage.Width; x++)
{
Point nPoint = new Point(x, y);
Point oPoint = aMatrix.CalcInverseMatrix(nPoint);
if (this.IsOutOfRange(oPoint.X, oPoint.Y, image.Width, image.Height))
{
continue;
}
createImage.SetPixel(x, y, image.GetPixel(oPoint.X, oPoint.Y));
}
}
pictureBox1.Image = createImage;
}
private void ImageReset()
{
try
{
Bitmap image = new Bitmap(Image.FromFile(this.filename));
Bitmap createImage = new Bitmap(pictureBox1.Width, pictureBox1.Height);
int move_x = createImage.Width / 2, move_y = createImage.Height / 2;
// 中心点に移動
int biasX = image.Width / 2;
int biasY = image.Height / 2;
this.ImageSize = new Point(image.Width, image.Height);
// アフィンマトリックスを作成
AffineMatrix aMatrix = new AffineMatrix();
aMatrix.SetMatrix(0, move_x - biasX, move_y - biasY, 1.0);
for (int y = 0; y < createImage.Height; y++)
{
for (int x = 0; x < createImage.Width; x++)
{
Point nPoint = new Point(x - biasX, y - biasY);
Point oPoint = aMatrix.CalcInverseMatrix(nPoint);
if (this.IsOutOfRange(oPoint.X + biasX, oPoint.Y + biasY, image.Width, image.Height))
{
continue;
}
createImage.SetPixel(x, y, image.GetPixel(oPoint.X + biasX, oPoint.Y + biasY));
}
}
pictureBox1.Image = createImage;
}
catch (Exception ex)
{
MessageBox.Show("イメージが読み込めません", "LOAD ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}