Question

我正在尝试使用点将多个（20个小图像或更多图像）绘制到单个图片框中，但是当我这样做时，它会复制图片框每行的顶行。我到处搜索并尝试了很多次才能做到这一点，但我无法弄明白，任何人都可以帮我指出正确的方向吗？

我想要完成的是：

image1 image2 image3 image4 image1
image2 image4 image1 image3 image3
image4 image7 image2 image1 image6
image3 image7 image3 image7 image6

image1 image2 image3 image4 image1
image1 image2 image3 image4 image1
image1 image2 image3 image4 image1
image1 image2 image3 image4 image1

（没有当然的数字）这是我正在使用的代码

private void Form_Load(object sender, EventArgs e)
{
    Image[] Files = new Image[7]; 
    Bitmap a = new Bitmap(@"C:\icons\icon1.png");
    Files[0] = new Bitmap(a, 80, 80);
    image1 = Files[0];
    Bitmap b = new Bitmap(@"C:\icons\icon2.png");
    Files[1] = new Bitmap(b, 80, 80);
    image2 = Files[1];
    Bitmap c = new Bitmap(@"C:\icons\icon3.png");
    Files[2] = new Bitmap(c, 80, 80);
    image3 = Files[2];
    Bitmap d = new Bitmap(@"C:\icons\icon4.png");
    Files[3] = new Bitmap(d, 80, 80);
    image4 = Files[3];
    Bitmap h = new Bitmap(@"C:\icons\icon5.png");
    Files[4] = new Bitmap(h, 80, 80);
    image5 = Files[4];
    Bitmap f = new Bitmap(@"C:\icons\icon6.png");
    Files[5] = new Bitmap(f, 80, 80);
    image6 = Files[5];
    Bitmap g = new Bitmap(@"C:\icons\icon7.png");
    Files[6] = new Bitmap(g, 80, 80);
    image7 = Files[6];

    pictureBox1.BackgroundImage = CombineBitmap(Files);
}

public static System.Drawing.Bitmap CombineBitmap(Image[] files)
    {
        List<System.Drawing.Bitmap> images = new List<System.Drawing.Bitmap>();
        System.Drawing.Bitmap finalImage = null;

        try
        {
            int width = 0;
            int height = 0;

            foreach (Image image in files)
            {
                System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(image);

                width += bitmap.Width;
                height = bitmap.Height > height ? bitmap.Height : height;

                images.Add(bitmap);
            }

            finalImage = new System.Drawing.Bitmap(width, height);

            using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(finalImage))
            {
                g.Clear(System.Drawing.Color.Gray); // Change this to whatever you want the background color to be, you may set this to Color.Transparent as well

                int offset = 15;
                Point p1 = new Point(0, 0);
                Point p2 = new Point(80, 0);
                Point p3 = new Point(160, 0);
                Point p4 = new Point(240, 0);
                Point p5 = new Point(320, 0);

                Point p6 = new Point(0, 80);
                Point p7 = new Point(80, 80);
                Point p8 = new Point(160, 80);
                Point p9 = new Point(240, 80);
                Point p10 = new Point(320, 80);

                Point p11 = new Point(0, 160);
                Point p12 = new Point(80, 160);
                Point p13 = new Point(160, 160);
                Point p14 = new Point(240, 160);
                Point p15 = new Point(320, 160);

                Point p16 = new Point(0, 240);
                Point p17 = new Point(80, 240);
                Point p18 = new Point(160, 240);
                Point p19 = new Point(240, 240);
                Point p20 = new Point(320, 240);


                g.DrawImage(image1, p1);
                g.DrawImage(image2, p2);
                g.DrawImage(image3, p3);
                g.DrawImage(image4, p4);
                g.DrawImage(image1, p5);


                g.DrawImage(image2, p6);
                g.DrawImage(image4, p7);
                g.DrawImage(image1, p8);
                g.DrawImage(image3, p9);
                g.DrawImage(image3, p10);

                g.DrawImage(image4, p11);
                g.DrawImage(image7, p12);
                g.DrawImage(image2, p13);
                g.DrawImage(image1, p14);
                g.DrawImage(image6, p15);

                g.DrawImage(image3, p16);
                g.DrawImage(image7, p17);
                g.DrawImage(image3, p18);
                g.DrawImage(image7, p19);
                g.DrawImage(image6, p20);

               }

            return finalImage;
        }
        catch (Exception ex)
        {
            if (finalImage != null)
                finalImage.Dispose();

            throw ex;
        }
        finally
        {

            foreach (System.Drawing.Bitmap image in images)
            {
                image.Dispose();
            }
        }
    }

Answer 1

finalImage位图的大小太小，只允许单行图像。然后，PictureBox控件将平铺单行图像，为您提供所见的图像。

您正在以80像素宽，80像素高的块绘制图像。因此，位图应足够宽以容纳80 * numColumns像素，并且足够高以容纳80 * numRows像素。

由于您有5列和4行，请使用：

finalImage = new System.Drawing.Bitmap(400, 320);

C＃在没有平铺的情况下将多个图像绘制到图片框中

1 个答案: