/// <summary>
/// アフィン変換実行ボタンのクリックイベント
/// </summary>
/// <param name="sender">オブジェクト</param>
/// <param name="e">イベントのデータ</param>
private void OnClickBtnGo(object sender, EventArgs e)
{
if (string.IsNullOrWhiteSpace(m_strOpenFileName))
{
return;
}
AffineInfo affineInfo = new AffineInfo();
if (!IsEmpty(textBoxTx.Text))
{
affineInfo.Translate.Tx = float.Parse(textBoxTx.Text);
}
if (!IsEmpty(textBoxTy.Text))
{
affineInfo.Translate.Ty = float.Parse(textBoxTy.Text);
}
if (!IsEmpty(textBoxSx.Text))
{
affineInfo.Scale.Sx = float.Parse(textBoxSx.Text);
}
if (!IsEmpty(textBoxSy.Text))
{
affineInfo.Scale.Sy = float.Parse(textBoxSy.Text);
}
if (!IsEmpty(textBoxRotate.Text))
{
affineInfo.Rotate.Angle = float.Parse(textBoxRotate.Text);
}
pictureBox.Image = Affine(affineInfo);
}
/// <summary>
/// アフィン変換
/// </summary>
/// <param name="_affineInfo">アフィン変換情報</param>
/// <returns>アフィン変換のイメージ</returns>
public Image Affine(AffineInfo _affineInfo)
{
float fTx = _affineInfo.Translate.Tx;
float fTy = _affineInfo.Translate.Ty;
float fSx = _affineInfo.Scale.Sx;
float fSy = _affineInfo.Scale.Sy;
float fAngle = _affineInfo.Rotate.Angle;
Bitmap bitmap = new Bitmap(pictureBox.Width, pictureBox.Height);
Graphics graphics = Graphics.FromImage(bitmap);
Image image = Image.FromFile(m_strOpenFileName);
graphics.ResetTransform();
graphics.TranslateTransform(fTx, fTy, System.Drawing.Drawing2D.MatrixOrder.Append);
graphics.ScaleTransform(fSx, fSy);
graphics.RotateTransform(fAngle, System.Drawing.Drawing2D.MatrixOrder.Append);
graphics.DrawImage(image, new Rectangle(0, 0, pictureBox.Width, pictureBox.Height));
image.Dispose();
graphics.Dispose();
return(bitmap);
}