private void robertsToolStripMenuItem_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.Roberts(img);
ImageViewer.Refresh(); // atualiza imagem no ecrã
Cursor = Cursors.Default; // cursor normal
}
private void robertsToolStripMenuItem_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.Roberts(img, img.Copy());
ImageViewer.Image = img.Bitmap;
ImageViewer.Refresh(); // refresh image on the screen
Cursor = Cursors.Default; // normal cursor
}