/// <summary>
/// Resize the image to the specified width and height.
/// 图片等比缩放
/// </summary>
/// <param name="image">The image to resize.</param>
/// <param name="width">The width to resize to.</param>
/// <param name="height">The height to resize to.</param>
/// <returns>The resized image.</returns>
public static System.Drawing.Bitmap ZoomAutoImage(System.Drawing.Image initImage, int maxWidth, int maxHeight)
{
//a holder for the result
Bitmap result = new Bitmap(maxWidth, maxHeight);
//set the resolutions the same to avoid cropping due to resolution differences
result.SetResolution(initImage.HorizontalResolution, initImage.VerticalResolution);
//use a graphics object to draw the resized image into the bitmap
using (Graphics graphics = Graphics.FromImage(result))
{
//模版的宽高比例
double templateRate = (double)maxWidth / maxHeight;
//原图片的宽高比例
double initRate = (double)initImage.Width / initImage.Height;
//原图与模版比例相等，直接缩放
if (templateRate == initRate)
{
//按模版大小生成最终图片
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.Clear(Color.White);
graphics.DrawImage(initImage, new System.Drawing.Rectangle(0, 0, maxWidth, maxHeight), new System.Drawing.Rectangle(0, 0, initImage.Width, initImage.Height), System.Drawing.GraphicsUnit.Pixel);
}
//原图与模版比例不等，裁剪后缩放
else
{
int x, y, w, h;
int twidth = maxWidth;
int height = maxHeight;
if (initImage.Width > twidth && initImage.Height > height)
{
w = twidth;
h = twidth * initImage.Height / initImage.Width;
if (h > height)
{
h = height;
w = height * initImage.Width / initImage.Height;
x = (twidth - w) / 2;
y = 0;
}
else
{
x = 0;
y = (height - h) / 2;
}
}
else if (initImage.Width > twidth)
{
w = twidth;
h = twidth * initImage.Height / initImage.Width;
x = 0;
y = (height - h) / 2;
}
else if (initImage.Height > height)
{
h = height;
w = height * initImage.Width / initImage.Height;
x = (twidth - w) / 2;
y = 0;
}
else
{
w = initImage.Width;
h = initImage.Height;
x = (twidth - w) / 2;
y = (height - h) / 2;
}
//按模版大小生成最终图片
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.Clear(Color.White);
graphics.DrawImage(initImage, new Rectangle(x, y, w, h), 0, 0, initImage.Width, initImage.Height, GraphicsUnit.Pixel);
}
}
//return the resulting bitmap
return(result);
}
/// <summary>
/// Resize the image to the specified width and height.
/// 指定长宽裁剪
/// 按模版比例最大范围的裁剪图片并缩放至模版尺寸
/// </summary>
/// <param name="image">The image to resize.</param>
/// <param name="width">The width to resize to.</param>
/// <param name="height">The height to resize to.</param>
/// <returns>The resized image.</returns>
public static System.Drawing.Bitmap CustomImage(System.Drawing.Image initImage, int maxWidth, int maxHeight)
{
//a holder for the result
Bitmap result = new Bitmap(maxWidth, maxHeight);
//set the resolutions the same to avoid cropping due to resolution differences
result.SetResolution(initImage.HorizontalResolution, initImage.VerticalResolution);
//use a graphics object to draw the resized image into the bitmap
using (Graphics graphics = Graphics.FromImage(result))
{
//模版的宽高比例
double templateRate = (double)maxWidth / maxHeight;
//原图片的宽高比例
double initRate = (double)initImage.Width / initImage.Height;
//原图与模版比例相等，直接缩放
if (templateRate == initRate)
{
//按模版大小生成最终图片
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.Clear(Color.White);
graphics.DrawImage(initImage, new System.Drawing.Rectangle(0, 0, maxWidth, maxHeight), new System.Drawing.Rectangle(0, 0, initImage.Width, initImage.Height), System.Drawing.GraphicsUnit.Pixel);
}
//原图与模版比例不等，裁剪后缩放
else
{
//裁剪对象
System.Drawing.Image pickedImage = null;
System.Drawing.Graphics pickedG = null;
//定位
Rectangle fromR = new Rectangle(0, 0, 0, 0); //原图裁剪定位
Rectangle toR = new Rectangle(0, 0, 0, 0); //目标定位
//宽为标准进行裁剪
if (templateRate > initRate)
{
//裁剪对象实例化
pickedImage = new System.Drawing.Bitmap(initImage.Width, (int)System.Math.Floor(initImage.Width / templateRate));
pickedG = System.Drawing.Graphics.FromImage(pickedImage);
//裁剪源定位
fromR.X = 0;
fromR.Y = (int)System.Math.Floor((initImage.Height - initImage.Width / templateRate) / 2);
fromR.Width = initImage.Width;
fromR.Height = (int)System.Math.Floor(initImage.Width / templateRate);
//裁剪目标定位
toR.X = 0;
toR.Y = 0;
toR.Width = initImage.Width;
toR.Height = (int)System.Math.Floor(initImage.Width / templateRate);
}
//高为标准进行裁剪
else
{
pickedImage = new System.Drawing.Bitmap((int)System.Math.Floor(initImage.Height * templateRate), initImage.Height);
pickedG = System.Drawing.Graphics.FromImage(pickedImage);
fromR.X = (int)System.Math.Floor((initImage.Width - initImage.Height * templateRate) / 2);
fromR.Y = 0;
fromR.Width = (int)System.Math.Floor(initImage.Height * templateRate);
fromR.Height = initImage.Height;
toR.X = 0;
toR.Y = 0;
toR.Width = (int)System.Math.Floor(initImage.Height * templateRate);
toR.Height = initImage.Height;
}
//设置质量
pickedG.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
pickedG.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//裁剪
pickedG.DrawImage(initImage, toR, fromR, System.Drawing.GraphicsUnit.Pixel);
//按模版大小生成最终图片
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.Clear(Color.Transparent);
graphics.DrawImage(pickedImage, new System.Drawing.Rectangle(0, 0, maxWidth, maxHeight), new System.Drawing.Rectangle(0, 0, pickedImage.Width, pickedImage.Height), System.Drawing.GraphicsUnit.Pixel);
//释放资源
pickedImage.Dispose();
pickedG.Dispose();
}
}
//return the resulting bitmap
return(result);
}
static void Main(string[] args)
{
Process[] processes = Process.GetProcesses();
Process wzqProcess = null;
foreach (var item in processes)
{
if (item.MainWindowTitle == "五子棋")
{
Console.WriteLine(item.ProcessName);
Console.WriteLine(item.Id);
//窗口名
Console.WriteLine(item.MainWindowTitle);
Console.WriteLine(item.MainModule.FileName);
Console.WriteLine(item.MainModule.FileVersionInfo.FileVersion);
Console.WriteLine(item.MainModule.FileVersionInfo.FileDescription);
Console.WriteLine(item.MainModule.FileVersionInfo.Comments);
Console.WriteLine(item.MainModule.FileVersionInfo.CompanyName);
Console.WriteLine(item.MainModule.FileVersionInfo.FileName);
//产品名
Console.WriteLine(item.MainModule.FileVersionInfo.ProductName);
Console.WriteLine(item.MainModule.FileVersionInfo.ProductVersion);
Console.WriteLine(item.StartTime);
Console.WriteLine(item.MainWindowHandle);
wzqProcess = item;
break;
}
}
Bitmap bitmap = CaptureImage.Captuer(wzqProcess);
if (bitmap == null)
{
return;
}
//bitmap.Save("a.bmp");
//Process.Start("mspaint", "a.bmp");
//左上角
//227 129
//右下角
//721 621
int width = 721 - 227;
int height = 621 - 129;
int step = width * 15 / 14 / 15;
Bitmap wzqBoardImage = new Bitmap(width * 15 / 14, height * 15 / 14);
Graphics g = Graphics.FromImage(wzqBoardImage);
//
// 摘要:
// 在指定位置并且按指定大小绘制指定的 System.Drawing.Image 的指定部分。
//
// 参数:
// image:
// 要绘制的 System.Drawing.Image。
//
// destRect:
// System.Drawing.Rectangle 结构，它指定所绘制图像的位置和大小。 将图像进行缩放以适合该矩形。
//
// srcRect:
// System.Drawing.Rectangle 结构，它指定 image 对象中要绘制的部分。
//
// srcUnit:
// System.Drawing.GraphicsUnit 枚举的成员，它指定 srcRect 参数所用的度量单位。
g.DrawImage(bitmap,
new Rectangle(0, 0, wzqBoardImage.Width, wzqBoardImage.Height),
new Rectangle(227 - step / 2, 129 - step / 2, wzqBoardImage.Width, wzqBoardImage.Height),
GraphicsUnit.Pixel);
g.Dispose();
//把Bitmap转换成Mat
Mat boardMat = BitmapConverter.ToMat(wzqBoardImage);
//因为霍夫圆检测对噪声比较敏感，所以首先对图像做一个中值滤波或高斯滤波(噪声如果没有可以不做)
Mat blurBoardMat = new Mat();
Cv2.MedianBlur(boardMat, blurBoardMat, 9);
//转为灰度图像
Mat grayBoardMat = new Mat();
Cv2.CvtColor(blurBoardMat, grayBoardMat, ColorConversionCodes.BGR2GRAY);
//3：霍夫圆检测：使用霍夫变换查找灰度图像中的圆。
CircleSegment[] circleSegments = Cv2.HoughCircles(grayBoardMat, HoughMethods.Gradient, 1, step * 0.4, 70, 30, (int)(step * 0.3), (int)(step * 0.5));
foreach (var circleSegment in circleSegments)
{
Cv2.Circle(boardMat, (int)circleSegment.Center.X, (int)circleSegment.Center.Y, (int)circleSegment.Radius, Scalar.Red, 1, LineTypes.AntiAlias);
}
//判断棋子位置，遍历棋盘上的每个位置
int rows = 15;
List <Tuple <int, int, int> > chessPointList = new List <Tuple <int, int, int> >();
//计算棋子颜色的阈值
Scalar scalarLower = new Scalar(128, 128, 128);
Scalar scalarUpper = new Scalar(255, 255, 255);
//行
for (int i = 0; i < rows; i++)
{
//列
for (int j = 0; j < rows; j++)
{
//棋盘棋子坐标
Point2f point = new Point2f(j * step + 0.5f * step, i * step + 0.5f * step);
foreach (var circleSegment in circleSegments)
{
//有棋子
if (circleSegment.Center.DistanceTo(point) < 0.5 * step)
{
//检查棋子的颜色
//以棋子中心为中心点，截取一部分图片（圆内切正方形），来计算图片颜色
//r^2 = a^2 + a^2
//--> a= ((r^2)/2)^-2
double len = Math.Sqrt(circleSegment.Radius * circleSegment.Radius / 2);
Rect rect = new Rect((int)(circleSegment.Center.X - len), (int)(circleSegment.Center.Y - len), (int)(len * 2), (int)(len * 2));
Mat squareMat = new Mat(grayBoardMat, rect);
//计算颜色
Mat calculatedMat = new Mat();
Cv2.InRange(squareMat, scalarLower, scalarUpper, calculatedMat);
float result = 100f * Cv2.CountNonZero(calculatedMat) / (calculatedMat.Width * calculatedMat.Height);
chessPointList.Add(new Tuple <int, int, int>(i + 1, j + 1, result < 50 ? 0 : 1));
break;
}
}
}
}
foreach (var item in chessPointList)
{
Console.WriteLine($"{item.Item1},{item.Item2},{item.Item3}");
}
Cv2.ImShow("boardMat", boardMat);
Cv2.WaitKey();
}
