private void btnCropAroundDragAndReleaseMouse_Click(object sender, EventArgs e)
{
try
{
if (modeRectangle == true)
{
modeRectangle = false;
Rectangle rect = new Rectangle(startPoint, new Size(endPoint.X - startPoint.X, endPoint.Y - startPoint.Y));
Image img = this.picOrigImage.Image;
Bitmap bmp = new Bitmap(img);
MyImageProc.CropImage(img, ref bmp, rect);
picProcImage.Image = bmp;
txtWidthProc.Text = picProcImage.Image.Width.ToString();
txtHeightProc.Text = picProcImage.Image.Height.ToString();
}
else
{
MessageBox.Show("you must click mouse to select bottom of rectangle");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnDrawX_Click(object sender, EventArgs e)
{
Image origimg = picOrigImage.Image;
Bitmap bmp = new Bitmap(origimg);
if (MyImageProc.DrawX(origimg, ref bmp, startPoint))
{
picProcImage.Image = null;
picProcImage.Image = bmp;
}
}
private void btnConvertToGray_Click(object sender, EventArgs e)
{
try
{
Bitmap copy = new Bitmap((Bitmap)this.picOrigImage.Image);
MyImageProc.CovertToGray(copy);
picProcImage.Image = null;
picProcImage.Image = copy;
txtWidthProc.Text = picProcImage.Image.Width.ToString();
txtHeightProc.Text = picProcImage.Image.Height.ToString();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnResizeImage_Click(object sender, EventArgs e)
{
if (modeRectangle == true)
{
modeRectangle = false;
Rectangle rect = new Rectangle(new Point(0, 0), new Size(endPoint.X, endPoint.Y));
Image img = this.picOrigImage.Image;
Bitmap bmp = new Bitmap(img);
MyImageProc.ResizeImage(img, ref bmp, rect);
picProcImage.Image = bmp;
txtWidthProc.Text = picProcImage.Image.Width.ToString();
txtHeightProc.Text = picProcImage.Image.Height.ToString();
}
else
{
MessageBox.Show("you must click mouse to select bottom of rectangle");
}
}
private void btnShiftVertical_Click(object sender, EventArgs e)
{
FormShift dlg = new FormShift();
dlg.ShiftAmount = 0;
Image origimg = picOrigImage.Image;
Bitmap bmp = new Bitmap(origimg);
if (DialogResult.OK == dlg.ShowDialog())
{
if (MyImageProc.ShiftImageVertical(origimg, ref bmp, dlg.ShiftAmount))
{
picProcImage.Image = null;
picProcImage.Image = bmp;
txtWidthProc.Text = picProcImage.Image.Width.ToString();
txtHeightProc.Text = picProcImage.Image.Height.ToString();
}
}
}
private void btnRotateFill_Click(object sender, EventArgs e)
{
FormRotate dlg = new FormRotate();
dlg.RotationAngle = 0;
Image origimg = picOrigImage.Image;
Bitmap bmp = new Bitmap(origimg);
if (DialogResult.OK == dlg.ShowDialog())
{
if (MyImageProc.RotateFill(origimg, ref bmp, dlg.RotationAngle))
{
picProcImage.Image = null;
picProcImage.Image = bmp;
txtWidthProc.Text = picProcImage.Image.Width.ToString();
txtHeightProc.Text = picProcImage.Image.Height.ToString();
}
}
}
private void btnDraRectangle_Click(object sender, EventArgs e)
{
if (modeRectangle == true)
{
modeRectangle = false;
Rectangle rect = new Rectangle(startPoint, new Size(endPoint.X - startPoint.X, endPoint.Y - startPoint.Y));
Image img = this.picOrigImage.Image;
Bitmap bmp = new Bitmap(img);
MyImageProc.DrawRectangle(img, ref bmp, rect);
picProcImage.Image = bmp;
txtWidthProc.Text = picProcImage.Image.Width.ToString();
txtHeightProc.Text = picProcImage.Image.Height.ToString();
}
else
{
MessageBox.Show("you must drag mouse to select rectangle");
}
}
private void btnCropAroundMouseClick_Click(object sender, EventArgs e)
{
try
{
Image img = this.picOrigImage.Image;
Bitmap bmp = new Bitmap(img);
Point p1 = new Point(startPoint.X - int.Parse(txtCropAroundW.Text) / 2, startPoint.Y - int.Parse(txtCropAroundH.Text) / 2);
Rectangle rect = new Rectangle(p1, new Size(int.Parse(txtCropAroundW.Text), int.Parse(txtCropAroundH.Text)));
bmp = new Bitmap(img);
MyImageProc.CropImage(img, ref bmp, rect);
picProcImage.Image = bmp;
txtWidthProc.Text = picProcImage.Image.Width.ToString();
txtHeightProc.Text = picProcImage.Image.Height.ToString();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnRotateByPoints_Click(object sender, EventArgs e)
{
Image origimg = picOrigImage.Image;
Bitmap bmp = new Bitmap(origimg);
if (modeRectangle == true)
{
if (MyImageProc.RotateByPoints(origimg, ref bmp, startPoint, endPoint))
{
picProcImage.Image = null;
picProcImage.Image = bmp;
txtWidthProc.Text = picProcImage.Image.Width.ToString();
txtHeightProc.Text = picProcImage.Image.Height.ToString();
}
}
else
{
MessageBox.Show("you must click mouse to select bottom of rectangle");
}
}
private void btnResizeProportional_Click(object sender, EventArgs e)
{
try
{
modeRectangle = false;
int Width = int.Parse(txtNewSizeW.Text);
int Height = int.Parse(txtNewSizeH.Text);
Rectangle rect = new Rectangle(new Point(0, 0), new Size(Width, Height));
Image img = this.picOrigImage.Image;
Bitmap bmp = new Bitmap(img);
MyImageProc.ResizeImageProportional(img, ref bmp, rect);
picProcImage.Image = bmp;
txtWidthProc.Text = picProcImage.Image.Width.ToString();
txtHeightProc.Text = picProcImage.Image.Height.ToString();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnChangeContrast_Click(object sender, EventArgs e)
{
try
{
FormContrast dlg = new FormContrast();
dlg.Contrast = 0;
if (DialogResult.OK == dlg.ShowDialog())
{
Bitmap copy = new Bitmap((Bitmap)this.picOrigImage.Image);
copy = MyImageProc.Contrast(copy, (sbyte)dlg.Contrast);
picProcImage.Image = null;
picProcImage.Image = copy;
txtWidthProc.Text = picProcImage.Image.Width.ToString();
txtHeightProc.Text = picProcImage.Image.Height.ToString();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnBrightenImage_Click(object sender, EventArgs e)
{
try
{
FormBrightness dlg = new FormBrightness();
dlg.Brightness = 30; // default brightness of 30
if (DialogResult.OK == dlg.ShowDialog())
{
Bitmap copy = new Bitmap((Bitmap)this.picOrigImage.Image);
copy = MyImageProc.Brighten(copy, dlg.Brightness);
picProcImage.Image = null;
picProcImage.Image = copy;
txtWidthProc.Text = picProcImage.Image.Width.ToString();
txtHeightProc.Text = picProcImage.Image.Height.ToString();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public static bool RotateByPoints(Image img, ref Bitmap bm, Point p1, Point p2)
{
if ((p1.X == p2.X)) // no need to rotate
{
return(true);
}
Point midPt = new Point();
midPt.X = (int)((p1.X + p2.X) / 2.0);
midPt.Y = (int)((p1.Y + p2.Y) / 2.0);
double RotRadians = Math.Atan2(-(p2.Y - p1.Y), (p2.X - p1.X));
Point newmidPt = new Point();
newmidPt.X = (int)(midPt.X * Math.Cos(RotRadians) -
midPt.Y * Math.Sin(RotRadians));
newmidPt.Y = (int)(midPt.Y * Math.Cos(RotRadians) +
midPt.X * Math.Sin(RotRadians));
//MessageBox.Show(newmidPt.ToString());
double Rot = RotRadians * 180 / 3.141516;
return(MyImageProc.RotateFill2(img, ref bm, Rot, midPt, newmidPt));
}
