/// <summary>
/// 初期化
/// </summary>
/// <param name="name">ボタンの名前． （これが null の場合，”button <number of boutton>” という名前になります）</param>
/// <param name="callback">ボタン状態が変更される度に呼び出されるデりゲート</param>
/// <param name="userdata">コールバック関数に渡されるオブジェクト</param>
/// <param name="button_type">ボタンの種類</param>
/// <param name="initial_button_state">ボタンのデフォルトの状態．チェックボックスとラジオボックスの場合，これは 0 または 1 になります．</param>
#else
/// <summary>
/// Constructor
/// </summary>
/// <param name="name">Name of the button ( if null, the name will be “button <number of boutton>”)</param>
/// <param name="callback">Pointer to the function to be called every time the button changed its state.</param>
/// <param name="userdata">object passed to the callback function. </param>
/// <param name="button_type">button type</param>
/// <param name="initial_button_state">Default state of the button. Use for checkbox and radiobox, its value could be 0 or 1. </param>
#endif
public CvButton(string name, CvButtonCallback callback, object userdata, ButtonType button_type, int initial_button_state)
{
this.name = name;
this.userdata = userdata;
// userdataをIntPtrに変換
IntPtr userdataPtr;
if (userdata != null)
{
gchUserdata = GCHandle.Alloc(userdata);
userdataPtr = GCHandle.ToIntPtr(gchUserdata);
}
else
{
userdataPtr = IntPtr.Zero;
}
this.callback = callback;
IntPtr callbackPtr;
if (callback != null)
{
// コールバックdelegateを、userdataをobjectとするように変換
callbackNative = delegate(int state, IntPtr ud)
{
if (ud == IntPtr.Zero)
{
callback(state, null);
}
else
{
GCHandle gch = GCHandle.FromIntPtr(ud);
callback(state, gch.Target);
}
};
// コールバックdelegateをポインタに変換
gchCallback = GCHandle.Alloc(callback);
gchCallbackNative = GCHandle.Alloc(callbackNative);
callbackPtr = Marshal.GetFunctionPointerForDelegate(callbackNative);
}
else
{
callbackNative = null;
callbackPtr = IntPtr.Zero;
}
result = NativeMethods.cvCreateButton(name, callbackPtr, userdataPtr, button_type, initial_button_state);
if (result == 0)
{
throw new OpenCvSharpException("Failed to create CvButton.");
}
instances.Add(this);
}
public QtTest()
{
using (CvWindow window = new CvWindow("window", WindowMode.ExpandedGui))
using (IplImage img = new IplImage(Const.ImageLenna, LoadMode.Color))
{
if (CvWindow.HasQt)
{
// cvAddText
CvFont font = new CvFontQt("MS UI Gothic", 48, CvColor.Red, FontWeight.Bold, FontStyle.Italic);
img.AddText("Hello Qt!!", new CvPoint(50, img.Height - 50), font);
// cvDisplayOverlay, cvDisplayStatusBar
window.DisplayOverlay("overlay text", 2000);
window.DisplayStatusBar("statusbar text", 3000);
// cvCreateButton
CvButtonCallback buttonCallback = delegate(int state, object userdata)
{
Console.WriteLine("Button state:{0} userdata:{1} ({2})", state, userdata, userdata.GetType());
};
Cv.CreateButton("button1", buttonCallback, "my userstate", ButtonType.Checkbox, 0);
Cv.CreateButton("button2", buttonCallback, 12345.6789, ButtonType.Checkbox, 0);
// cvSaveWindowParameters
//window.SaveWindowParameters();
}
window.ShowImage(img);
// cvCreateTrackbar2
CvTrackbarCallback2 trackbarCallback = delegate(int pos, object userdata)
{
Console.WriteLine("Trackbar pos:{0} userdata:{1} ({2})", pos, userdata, userdata.GetType());
};
window.CreateTrackbar2("trackbar1", 128, 256, trackbarCallback, "foobar");
Cv.WaitKey();
}
}
/// <summary>
/// 初期化
/// </summary>
/// <param name="name">ボタンの名前． （これが null の場合，”button <number of boutton>” という名前になります）</param>
/// <param name="callback">ボタン状態が変更される度に呼び出されるデりゲート</param>
#else
/// <summary>
/// Constructor
/// </summary>
/// <param name="name">Name of the button ( if null, the name will be “button <number of boutton>”)</param>
/// <param name="callback">Pointer to the function to be called every time the button changed its state.</param>
#endif
public CvButton(string name, CvButtonCallback callback)
: this(name, callback, IntPtr.Zero, ButtonType.PushButton, 0)
{
}
/// <summary>
/// 初期化
/// </summary>
/// <param name="name">ボタンの名前． （これが null の場合，”button <number of boutton>” という名前になります）</param>
/// <param name="callback">ボタン状態が変更される度に呼び出されるデりゲート</param>
/// <param name="userdata">コールバック関数に渡されるオブジェクト</param>
/// <param name="button_type">ボタンの種類</param>
/// <param name="initial_button_state">ボタンのデフォルトの状態．チェックボックスとラジオボックスの場合，これは 0 または 1 になります．</param>
#else
/// <summary>
/// Constructor
/// </summary>
/// <param name="name">Name of the button ( if null, the name will be “button <number of boutton>”)</param>
/// <param name="callback">Pointer to the function to be called every time the button changed its state.</param>
/// <param name="userdata">object passed to the callback function. </param>
/// <param name="button_type">button type</param>
/// <param name="initial_button_state">Default state of the button. Use for checkbox and radiobox, its value could be 0 or 1. </param>
#endif
public CvButton(string name, CvButtonCallback callback, object userdata, ButtonType button_type, int initial_button_state)
{
_name = name;
_userdata = userdata;
// userdataをIntPtrに変換
IntPtr userdataPtr;
if (userdata != null)
{
_gchUserdata = GCHandle.Alloc(_userdata);
userdataPtr = GCHandle.ToIntPtr(_gchUserdata);
}
else
{
userdataPtr = IntPtr.Zero;
}
_callback = callback;
IntPtr callbackPtr;
if (_callback != null)
{
// コールバックdelegateを、userdataをobjectとするように変換
_callbackNative = delegate(int state, IntPtr ud)
{
if (ud == IntPtr.Zero)
{
_callback(state, null);
}
else
{
GCHandle gch = GCHandle.FromIntPtr(ud);
_callback(state, gch.Target);
}
};
// コールバックdelegateをポインタに変換
_gchCallback = GCHandle.Alloc(_callback);
_gchCallbackNative = GCHandle.Alloc(_callbackNative);
callbackPtr = Marshal.GetFunctionPointerForDelegate(_callbackNative);
}
else
{
_callbackNative = null;
callbackPtr = IntPtr.Zero;
}
_result = CvInvoke.cvCreateButton(name, callbackPtr, userdataPtr, button_type, initial_button_state);
if (_result == 0)
throw new OpenCvSharpException("Failed to create CvButton.");
_instances.Add(this);
}
/// <summary>
/// 初期化
/// </summary>
/// <param name="name">ボタンの名前． （これが null の場合，”button <number of boutton>” という名前になります）</param>
/// <param name="callback">ボタン状態が変更される度に呼び出されるデりゲート</param>
/// <param name="userdata">コールバック関数渡されるポインタ</param>
/// <param name="button_type">ボタンの種類</param>
#else
/// <summary>
/// Constructor
/// </summary>
/// <param name="name">Name of the button ( if null, the name will be “button <number of boutton>”)</param>
/// <param name="callback">Pointer to the function to be called every time the button changed its state.</param>
/// <param name="userdata">object passed to the callback function. </param>
/// <param name="button_type">button type</param>
#endif
public CvButton(string name, CvButtonCallback callback, object userdata, ButtonType button_type)
: this(name, callback, userdata, button_type, 0)
{
}
/// <summary>
/// 初期化
/// </summary>
/// <param name="name">ボタンの名前． （これが null の場合，”button <number of boutton>” という名前になります）</param>
/// <param name="callback">ボタン状態が変更される度に呼び出されるデりゲート</param>
/// <param name="userdata">コールバック関数渡されるポインタ</param>
#else
/// <summary>
/// Constructor
/// </summary>
/// <param name="name">Name of the button ( if null, the name will be “button <number of boutton>”)</param>
/// <param name="callback">Pointer to the function to be called every time the button changed its state.</param>
/// <param name="userdata">object passed to the callback function. </param>
#endif
public CvButton(string name, CvButtonCallback callback, object userdata)
: this(name, callback, userdata, ButtonType.PushButton, 0)
{
}
/// <summary>
/// 初期化
/// </summary>
/// <param name="name">ボタンの名前． （これが null の場合，”button <number of boutton>” という名前になります）</param>
/// <param name="callback">ボタン状態が変更される度に呼び出されるデりゲート</param>
#else
/// <summary>
/// Constructor
/// </summary>
/// <param name="name">Name of the button ( if null, the name will be “button <number of boutton>”)</param>
/// <param name="callback">Pointer to the function to be called every time the button changed its state.</param>
#endif
public CvButton(string name, CvButtonCallback callback)
: this(name, callback, IntPtr.Zero, ButtonType.PushButton, 0)
{
}
/// <summary>
/// 初期化
/// </summary>
/// <param name="name">ボタンの名前． （これが null の場合，”button <number of boutton>” という名前になります）</param>
/// <param name="callback">ボタン状態が変更される度に呼び出されるデりゲート</param>
/// <param name="userdata">コールバック関数渡されるポインタ</param>
/// <param name="button_type">ボタンの種類</param>
#else
/// <summary>
/// Constructor
/// </summary>
/// <param name="name">Name of the button ( if null, the name will be “button <number of boutton>”)</param>
/// <param name="callback">Pointer to the function to be called every time the button changed its state.</param>
/// <param name="userdata">object passed to the callback function. </param>
/// <param name="button_type">button type</param>
#endif
public CvButton(string name, CvButtonCallback callback, object userdata, ButtonType button_type)
: this(name, callback, userdata, button_type, 0)
{
}
/// <summary>
/// 初期化
/// </summary>
/// <param name="name">ボタンの名前． （これが null の場合，”button <number of boutton>” という名前になります）</param>
/// <param name="callback">ボタン状態が変更される度に呼び出されるデりゲート</param>
/// <param name="userdata">コールバック関数渡されるポインタ</param>
#else
/// <summary>
/// Constructor
/// </summary>
/// <param name="name">Name of the button ( if null, the name will be “button <number of boutton>”)</param>
/// <param name="callback">Pointer to the function to be called every time the button changed its state.</param>
/// <param name="userdata">object passed to the callback function. </param>
#endif
public CvButton(string name, CvButtonCallback callback, object userdata)
: this(name, callback, userdata, ButtonType.PushButton, 0)
{
}
