Question

我目前正致力于图像处理应用。我把'Main'PictureBox作为画布。我想将一些PictureBox插入'Main'PictureBox并将所有Picture合并为一个Image然后将其保存到png。这是我的代码。有人可以帮我完成这项任务吗？

        Bitmap bmp = new Bitmap(pictureEdit.Width, pictureEdit.Height);
        bmp = (Bitmap)pictureEdit.Image;

        foreach (Control c in pictureEdit.Controls)
        {
            if (c is Functions.pictureEdit)
            {
                using (var bitmap = new Bitmap(pictureEdit.Image.Width, pictureEdit.Image.Height)) {
                    using (var canvas = Graphics.FromImage(bitmap)) {
                        canvas.DrawImage(bmp, new Rectangle(0, 0, pictureEdit.Image.Width, pictureEdit.Image.Height));
                        canvas.DrawImage(((Functions.pictureEdit)c).img, new Rectangle(0, 0, pictureEdit.Image.Width, pictureEdit.Image.Height));
                        canvas.Save();
                    }
                    bitmap.Save(@"D:\Test\new.png", System.Drawing.Imaging.ImageFormat.Png);
                }
            }
        }

Answer 1

希望您将图像组合在一起是可以的以下代码执行此操作

私有位图CombineBitmap（List lstImages，int width，int height）

{

       int iTilesPerWidth = 5; 
        //create a bitmap to hold the combined image
        Bitmap finalImage = new System.Drawing.Bitmap(width, height);
        //get a graphics object from the image so we can draw on it
        using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(finalImage))
        {
            PointF point1 = new PointF(0, 0);
            int nCount = 1;
            foreach (Bitmap BM in lstImages)
            {
                //512, 256
                g.DrawImage(BM, point1);
                point1.X += BM.Width;
                if (nCount % iTilesPerWidth == 0)
                {
                    point1.X = 0;
                    point1.Y += BM.Height;
                }
                nCount++;
            }

        }
        return finalImage;
    }

合并多个图片框图像并保存

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