/// <summary>
/// Saves a thumbnail of the video
/// </summary>
private void SaveThumbnail()
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
var w = (int)_videoCaptureDevice.PreviewResolution.Width;
var h = (int)_videoCaptureDevice.PreviewResolution.Height;
var argbPx = new Int32[w * h];
_videoCaptureDevice.GetPreviewBufferArgb(argbPx);
var wb = new WriteableBitmap(w, h);
argbPx.CopyTo(wb.Pixels, 0);
wb.Invalidate();
using (var isoStore = IsolatedStorageFile.GetUserStoreForApplication())
{
var fileName = _isoVideoFileName + ".jpg";
if (isoStore.FileExists(fileName))
{
isoStore.DeleteFile(fileName);
}
var file = isoStore.CreateFile(fileName);
wb.SaveJpeg(file, w, h, 0, 20);
file.Close();
}
});
}
protected void CountCut(Int32 cutPos)
{
// Cut the deck at cutPos, leave the bottom card intact.
Int32[] newDeck = new Int32[54];
if (cutPos < 53)
{ // don't cut if the card is a joker
Array.Copy(_deck, cutPos, newDeck, 0, 53 - (cutPos));
Array.Copy(_deck, 0, newDeck, 53 - (cutPos), cutPos);
newDeck[53] = _deck[53];
newDeck.CopyTo(_deck, 0);
}
}
protected void TripleCut()
{
// Swaps the section before the top joker with the section after the bottom joker
Int32 jokerTop = Array.IndexOf(_deck, 53);
Int32 jokerBottom = Array.IndexOf(_deck, 54);
if (jokerTop > jokerBottom)
{
Int32 hold = jokerTop;
jokerTop = jokerBottom;
jokerBottom = hold;
}
Int32[] newDeck = new Int32[54];
Int32 lengthBottom = 53 - jokerBottom;
Int32 lengthMiddle = jokerBottom - jokerTop - 1;
Array.Copy(_deck, jokerBottom + 1, newDeck, 0, lengthBottom);
Array.Copy(_deck, jokerTop, newDeck, lengthBottom, lengthMiddle + 2);
Array.Copy(_deck, 0, newDeck, lengthBottom + lengthMiddle + 2, jokerTop);
newDeck.CopyTo(_deck, 0);
}
private void MethodTests()
{
featureTest.FailureMessage = "\tFailed Array Methods Test";
featureTest.Send("Array Methods Test");
Int32[] array = new Int32[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
Array.Clear(array, 2, 3);
featureTest.AssertTrue(array[1] == 2);
featureTest.AssertTrue(array[2] == 0);
featureTest.AssertTrue(array[3] == 0);
featureTest.AssertTrue(array[4] == 0);
featureTest.AssertTrue(array[5] == 6);
array = new Int32[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
Int32[] array2 = new Int32[] { 11, 12, 13, 14, 15 };
Array.ConstrainedCopy(array, 2, array2, 1, 3);
featureTest.AssertTrue(array2[0] == 11);
featureTest.AssertTrue(array2[1] == 3);
featureTest.AssertTrue(array2[2] == 4);
featureTest.AssertTrue(array2[3] == 5);
featureTest.AssertTrue(array2[4] == 15);
Int32[] array3 = new Int32[array.Length];
Array.Copy(array, array3, array.Length);
for (Int32 i = 0; i < array.Length; ++i)
{
featureTest.AssertTrue(array[i] == array3[i]);
}
Array.Clear(array3, 0, array3.Length);
array.CopyTo(array3, 0);
for (Int32 i = 0; i < array.Length; ++i)
{
featureTest.AssertTrue(array[i] == array3[i]);
}
for (Int32 i = 0; i < array.Length; ++i)
{
featureTest.AssertTrue(array[i] == array3[i]);
}
Array.Copy(array, 0, array3, 0, array.Length);
featureTest.AssertTrue(int323DArray.GetLength(0) == 2);
featureTest.AssertTrue(int323DArray.GetLength(1) == 2);
featureTest.AssertTrue(int323DArray.GetLength(2) == 4);
featureTest.AssertTrue(int323DArray.GetLowerBound(0) == 0);
featureTest.AssertTrue(int323DArray.GetLowerBound(1) == 0);
featureTest.AssertTrue(int323DArray.GetLowerBound(2) == 0);
featureTest.AssertTrue(int323DArray.GetUpperBound(0) == 1);
featureTest.AssertTrue(int323DArray.GetUpperBound(1) == 1);
featureTest.AssertTrue(int323DArray.GetUpperBound(2) == 3);
featureTest.AssertTrue(!(Boolean)boolean1DArray.GetValue(1));
featureTest.AssertTrue((Byte)byte1DArray.GetValue(0) == 1);
featureTest.AssertTrue((Char)char1DArray.GetValue(1) == 'B');
featureTest.AssertTrue((Double)double1DArray.GetValue(2) == 3.0);
int161DArray.SetValue((short)6, 3);
featureTest.AssertTrue((Int16)int161DArray.GetValue(3) == 6);
featureTest.AssertTrue((Int32)int321DArray.GetValue(4) == 5);
featureTest.AssertTrue((Int64)int641DArray.GetValue(5) == 6);
featureTest.AssertTrue((SByte)sbyte1DArray.GetValue(6) == 7);
featureTest.AssertTrue((Single)single1DArray.GetValue(7) == 8.0F);
featureTest.AssertTrue((String)string1DArray.GetValue(8) == "Nine");
featureTest.AssertTrue((UInt16)uint161DArray.GetValue(9) == 0);
featureTest.AssertTrue((UInt32)uint321DArray.GetValue(0) == 1);
featureTest.AssertTrue((UInt64)uint641DArray.GetValue(1) == 2);
featureTest.AssertTrue((DateTime)dateTime1DArray.GetValue(1) == new DateTime(2020, 2, 3, 8, 30, 40));
featureTest.AssertTrue((TimeSpan)timeSpan1DArray.GetValue(2) == new TimeSpan(7, 8, 9));
int322DArray.SetValue(9, 1, 1);
featureTest.AssertTrue((Int32)int322DArray.GetValue(1, 1) == 9);
featureTest.AssertTrue((Int32)int323DArray.GetValue(1, 1, 1) == 14);
featureTest.AssertTrue(Array.IndexOf(string1DArray, "Eight") == 7);
featureTest.AssertTrue(Array.IndexOf(string1DArray, "Eight", 0) == 7);
featureTest.AssertTrue(Array.IndexOf(string1DArray, "Eight", 0, string1DArray.Length) == 7);
Int32[,,] array3d = new Int32[2, 2, 4];
Int32[] indexes = new Int32[] { 1, 1, 2 };
array3d.SetValue(22, indexes);
featureTest.AssertTrue(array3d[1, 1, 2] == 22);
featureTest.AssertTrue((Int32)array3d.GetValue(indexes) == 22);
array3d.SetValue(25, 0, 0, 1);
featureTest.AssertTrue(array3d[0, 0, 1] == 25);
}
private static void MostrarArrays()
{
Console.Clear();
Console.WriteLine("*********************************************");
Console.WriteLine("***********Arrays en CSharp******************");
Console.WriteLine("*********************************************");
Console.ReadLine();
//DECLARO UN ARRAY DE ENTEROS
int[] numeros;
ushort num = 0;
bool esValido = false;
Console.Write("¿Cuántos numeros va a introducir? ");
esValido = UInt16.TryParse(Console.ReadLine(), out num);
while (esValido == false)
{
Console.WriteLine("Error, Reingrese un número positivo!!!");
esValido = UInt16.TryParse(Console.ReadLine(), out num);
}
//INSTANCIO EL ARRAY DE ENTEROS
numeros = new Int32[num];
//CARGO EL ARRAY CON VALORES, UTILIZANDO UN FOR
for (int i = 0; i < num; i++)
{
Console.Write("Ingrese el número para el elemento {0}: ", i);
numeros[i] = int.Parse(Console.ReadLine());
}
Console.WriteLine();
Console.WriteLine("Pulse una tecla para ver el contenido del Array...");
Console.WriteLine("Utilizando una estructura For Each...");
Console.ReadLine();
//MUESTRO EL CONTENIDO DEL ARRAY, UTILIZO UN FOREACH
int index = 0;
foreach (int i in numeros)
{
Console.WriteLine("Elemento {0}: {1}", index, i);
index++;
}
Console.ReadLine();
Console.Clear();
int cantidad;
//DECLARO E INSTANCIO OTRO ARRAY DE ENTEROS
int[] n = new int[num];
//COPIO EL CONTENIDO DEL PRIMER ARRAY EN EL SEGUNDO
numeros.CopyTo(n, 0);
Console.WriteLine("Copio el contenido del Array en un nuevo Array llamado 'n'.");
Console.ReadLine();
//MUESTRO EL CONTENIDO DEL SEGUNDO ARRAY, UTILIZO UN FOR
//OBTENGO LA CANTIDAD DE ELEMENTOS UTILIZANDO GETLENGTH
for (int i = 0; i < n.GetLength(0); i++)
{
Console.WriteLine("Elemento {0}: {1}", i, n[i]);
}
Console.ReadLine();
//OBTENGO EL LIMITE INFERIOR DEL ARRAY
cantidad = n.GetLowerBound(0);
Console.WriteLine("n.GetLowerBound(0) = {0}", cantidad);
Console.ReadLine();
//OBTENGO EL LIMITE SUPERIOR DEL ARRAY
cantidad = n.GetUpperBound(0);
Console.WriteLine("n.GetUpperBound(0) = {0}", cantidad);
Console.ReadLine();
//OBTENGO EL VALOR DE UN ELEMENTO UTILIZANDO GETVALUE
Console.WriteLine("n.GetValue(num-1) = {0}", n.GetValue(num - 1));
Console.ReadLine();
//ESTABLEZCO EL VALOR DE UN ELEMENTO UTILIZANDO SETVALUE
n.SetValue(99, num - 1);
Console.WriteLine("n.SetValue(99, num - 1), --> {0}", n.GetValue(num - 1));
Console.ReadLine();
Console.Clear();
UInt16 filas;
UInt16 columnas;
do
{
Console.WriteLine("Ingrese cantidad de filas para el Array.");
} while (!UInt16.TryParse(Console.ReadLine(), out filas));
do
{
Console.WriteLine("Ingrese cantidad de columnas para el Array.");
} while (!UInt16.TryParse(Console.ReadLine(), out columnas));
//DECLARO E INSTANCIO UN ARRAY MULTIDIMENCIONAL
//DE DOS FILAS Y DOS COLUMNAS
int[,] matriz = new int[filas, columnas];
Console.Clear();
Console.WriteLine("Creo un Array multidimensional.");
Console.WriteLine("Muestro la cantidad de dimensiones del Array.");
Console.ReadLine();
Console.WriteLine("El Array posee {0} dimensiones.", matriz.Rank);
Console.ReadLine();
Console.WriteLine("Muestro la cantidad total de elementos del Array.");
Console.WriteLine("El Array posee {0} elementos sumando todas sus dimensiones."
, matriz.Length);
Console.ReadLine();
}
