[問題] 圖片旋轉的問題
請各位高手幫幫我
我不知道該怎麼寫下去了
用陣列來寫
我的一個按鈕是用來開檔的
第二個按鈕是要左轉90度的
but 我現在一整就是卡在這了
我不知道該從何處下手了
請各位大大為我指點一條迷津
謝謝大家
bitmap fr,fr2;
int x, y;
fr = new Bitmap(pictureBox1.Image, pictureBox1.Image.Width,
pictureBox1.Image.Height)
fr2 = new Bitmap(fr.Width, fr.Height);
for (y = 0; y < fr2.Height; y++)
for (x = 0; x < fr2.Width; x++)
{
Point[ , ] fr2point = new Point[3,3];
fr2point[y, x] = new Point(0, pictureBox1.Image.Width);
fr2point[y, x] = new Point(0, 0);
fr2point[y, x] = new Point(pictureBox1.Image.Height, pictureBox1.Image.Width);
fr2.SetPixel(x, y, Color.FromArgb(fr.GetPixel(x, y).R, fr.GetPixel(x, y).G, fr.GetPixel(x, y).B));
pictureBox2.Image =new Bitmap (fr2.Height, fr2.Width);
}
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