/// <summary>
/// マウスフックの削除
/// </summary>
/// <param name="_nCode">現在のフックプロシージャに渡されたnCode</param>
/// <param name="_wParam">現在のフックプロシージャに渡されたwParam</param>
/// <param name="_lParam">現在のフックプロシージャに渡されたlParam</param>
/// <returns>フックチェーン内の次のフックプロシージャの戻り値</returns>
private IntPtr MouseHookProc(int _nCode, IntPtr _wParam, IntPtr _lParam)
{
if (_nCode >= 0 && !m_bClose)
{
MouseHook.MouseHookStruct mouseHookStruct = (MouseHook.MouseHookStruct)Marshal.PtrToStructure(_lParam, typeof(MouseHook.MouseHookStruct));
if (mouseHookStruct != null)
{
String strText = "Scale Capture" + " x = " + mouseHookStruct.pt.x.ToString("d") + " : y = " + mouseHookStruct.pt.y.ToString("d");
lblTitle.Text = strText;
float fScale = (float)(sliderScale.Value * 0.1);
Bitmap bitmap = new Bitmap(200, 200);
Graphics graphics = Graphics.FromImage(bitmap);
graphics.CopyFromScreen(mouseHookStruct.pt.x - 100, mouseHookStruct.pt.y - 100, 0, 0, bitmap.Size);
graphics.Dispose();
m_scaleImgProc.GoImgProc(bitmap, fScale);
pictureBox.Image = m_scaleImgProc.bitmap;
pictureBox.Refresh();
}
}
return(MouseHook.CallNextHookEx(m_hHook, _nCode, _wParam, _lParam));
}
/// <summary>
/// 画像処理実行用のタスク
/// </summary>
/// /// <param name="_bitmap">ビットマップ</param>
/// <returns>画像処理の実行結果 成功/失敗</returns>
private async Task <bool> TaskWorkImageProcessing(Bitmap _bitmap)
{
m_tokenSource = new CancellationTokenSource();
CancellationToken token = m_tokenSource.Token;
float fScale = (float)(sliderScale.Value * 0.1);
bool bRst = await Task.Run(() => m_scaleImgProc.GoImgProc(_bitmap, fScale, token, this));
return(bRst);
}
/// <summary>
/// 画像処理実行用のタスク
/// </summary>
/// /// <param name="_bitmap">ビットマップイメージ</param>
/// <returns>画像処理の実行結果 成功/失敗</returns>
private async Task <bool> TaskWorkImageProcessing(BitmapImage _bitmap)
{
m_tokenSource = new CancellationTokenSource();
CancellationToken token = m_tokenSource.Token;
float fScale = (float)(sliderScale.Value * 0.1);
PresentationSource source = PresentationSource.FromVisual(this);
double dDpiX = 96;
double dDpiY = 96;
if (source != null)
{
dDpiX = 96.0 * source.CompositionTarget.TransformToDevice.M11;
dDpiY = 96.0 * source.CompositionTarget.TransformToDevice.M22;
}
bool bRst = await Task.Run(() => m_scaleImgProc.GoImgProc(_bitmap, fScale, token, this, dDpiX, dDpiY));
return(bRst);
}