// 固定区域截图
private Bitmap FixedScreen()
{
if (screenRect.Width <= 0 || screenRect.Height <= 0)
{
throw new Exception("请设置固定截图翻译坐标！");
}
IntPtr hwnd = Api.FindWindowHandle(windowName, windowClass);
Api.ShowWindowWait(hwnd, 500);
Api.POINT p = new Api.POINT(screenRect.X, screenRect.Y);
Api.ClientToScreen(hwnd, ref p);
return(SpecifyScreenshot.Screenshot(p.X, p.Y, screenRect.Width, screenRect.Height));
}
// 绘制选择的框框
private void DrawSelectionBox(Graphics g)
{
Font font = new Font("微软雅黑", 12f);
g.DrawImage(this.screenImage, this.selectedArea, this.selectedArea, GraphicsUnit.Pixel);
g.DrawRectangle(Pens.DodgerBlue, this.selectedArea.Left, this.selectedArea.Top, this.selectedArea.Width - 1, this.selectedArea.Height - 1);
string showText;
if (WindowHandle != IntPtr.Zero)
{
Api.POINT p = new Api.POINT();
p.X = this.selectedArea.Left;
p.Y = this.selectedArea.Top;
// 屏幕坐标转为客户端窗口坐标
Api.ScreenToClient(WindowHandle, ref p);
showText = string.Format($"按住鼠标左键选取要截取的区域\n按鼠标右键或ESC取消\nX相对坐标:{p.X} Y相对坐标:{p.Y} 宽:{this.selectedArea.Width} 高:{this.selectedArea.Height}");
}
else
{
showText = string.Format($"按住鼠标左键选取要截取的区域\n按鼠标右键或ESC取消\nX坐标:{this.selectedArea.Left} Y坐标:{this.selectedArea.Top} 宽:{this.selectedArea.Width} 高:{this.selectedArea.Height}");
}
// 测量显示字体需要的尺寸
Size sizeRequired = g.MeasureString(showText, font).ToSize();
// 显示字体的坐标
Point displayPos = new Point(this.selectedArea.Left, this.selectedArea.Top - sizeRequired.Height - 5);
if (displayPos.Y < 0)
{
displayPos.Y = this.selectedArea.Top + 5;
}
if (displayPos.X + sizeRequired.Width > this.Width)
{
displayPos.X = this.Width - sizeRequired.Width;
}
if (displayPos.X == 0)
{
displayPos.X = 5;
}
// 在指定坐标绘制字体
using (SolidBrush Brush = new SolidBrush(Color.FromArgb(125, 0, 0, 0)))
{
// 在矩形内部填充半透明黑色
g.FillRectangle(Brush, new Rectangle(displayPos, sizeRequired));
g.DrawString(showText, font, Brushes.Orange, displayPos);
}
}
// 固定区域截图
private Bitmap FixedScreen()
{
if (screenRect.Width <= 0 || screenRect.Height <= 0)
{
throw new Exception("请设置固定截图翻译坐标！");
}
IntPtr hwnd = FindWindowHandle();
Api.POINT p = new Api.POINT();
p.X = screenRect.X;
p.Y = screenRect.Y;
Api.ClientToScreen(hwnd, ref p);
return(Screenshot(p.X, p.Y, screenRect.Width, screenRect.Height));
}
// 设置固定翻译坐标
private void button_SetPosition_Click(object sender, EventArgs e)
{
FrmScreenShot shot = new FrmScreenShot();
try
{
IntPtr hwnd = FindAndActiveWindow();
shot.WindowHandle = hwnd;
shot.CopyScreen();
// 显示截图窗口
DialogResult result = shot.ShowDialog();
if (result == DialogResult.Cancel)
{
throw new Exception("用户取消截图！");
}
Api.POINT p = new Api.POINT();
p.X = shot.StartPos.X;
p.Y = shot.StartPos.Y;
// 屏幕坐标转为客户端窗口坐标
Api.ScreenToClient(hwnd, ref p);
// 保存截图坐标高宽
screenRect = new Rectangle(p.X, p.Y, shot.SelectedArea.Width, shot.SelectedArea.Height);
if (shot.SelectedArea.Width > 0 && shot.SelectedArea.Height > 0)
{
MessageBox.Show("设置成功！\n请点击“保存配置”按钮。", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
throw new Exception("设置失败，请重试！");
}
}
catch (Exception ex)
{
MessageBox.Show("设置固定翻译坐标失败！\n原因：" + ex.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
MinimizeWindow(false);
if (shot != null && !shot.IsDisposed)
{
shot.Dispose();
}
}
}
