private void 蓝_CheckedChanged(object sender, EventArgs e)
{
checkPictureBox1();
if (!valid || pictureBox2.Image == null)
{
return;
}
Bitmap bit = new Bitmap(pictureBox1.Image);
pictureBox3.Image = GraphicClass.drawColorHistogram(bit, Color.Blue);
pictureBox4.Image = GraphicClass.drawColorHistogram((Bitmap)pictureBox2.Image, Color.Blue);
}
private void rGB平均均衡化ToolStripMenuItem_Click(object sender, EventArgs e)
{
checkPictureBox1();
if (!valid)
{
return;
}
Bitmap bit = new Bitmap(pictureBox1.Image);
pictureBox2.Refresh();
// 使用平均直方图进行均衡化
pictureBox2.Image = GraphicClass.ColorEqualization(bit, 1);
red_radio.Visible = false;
green_radio.Visible = false;
blue_radio.Visible = false;
pictureBox3.Image = GraphicClass.drawColorHistogram(bit, Color.Red, true);
pictureBox4.Image = GraphicClass.drawColorHistogram((Bitmap)pictureBox2.Image, Color.Red, true);
}
private void rGB分别均衡化ToolStripMenuItem_Click(object sender, EventArgs e)
{
checkPictureBox1();
if (!valid)
{
return;
}
Bitmap bit = new Bitmap(pictureBox1.Image);
pictureBox2.Refresh();
// 根据RGB的三个分量分别均衡化
pictureBox2.Image = GraphicClass.ColorEqualization(bit, 0);
// 画出三个分量均衡化前后的直方图
red_radio.Visible = true;
green_radio.Visible = true;
blue_radio.Visible = true;
red_radio.Checked = true;
pictureBox3.Image = GraphicClass.drawColorHistogram(bit, Color.Red);
pictureBox4.Image = GraphicClass.drawColorHistogram((Bitmap)pictureBox2.Image, Color.Red);
}