/// <summary>
/// Converte a imagem para tons de cinzento
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void grayToolStripMenuItem_Click(object sender, EventArgs e)
{
if (img == null) // protege de executar a função sem ainda ter aberto a imagem
{
return;
}
Cursor = Cursors.WaitCursor; // cursor relogio
//copy Undo Image
imgUndo = img.Copy();
ImageClass.ConvertToGray(img);
ImageViewer.Refresh(); // atualiza imagem no ecrã
Cursor = Cursors.Default; // cursor normal
}
/// <summary>
/// Call image convertion to gray scale
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void grayToolStripMenuItem_Click(object sender, EventArgs e)
{
if (img == null) // verify if the image is already opened
{
return;
}
Cursor = Cursors.WaitCursor; // clock cursor
//copy Undo Image
imgUndo = img.Copy();
ImageClass.ConvertToGray(img);
ImageViewer.Image = img.Bitmap;
ImageViewer.Refresh(); // refresh image on the screen
Cursor = Cursors.Default; // normal cursor
}
