/// <summary>
/// Initializes a new instance of the <see cref="DebuggingDemo"/> class.
/// </summary>
public DebuggingDemo()
{
System.Windows.Media.Matrix matrix = new System.Windows.Media.Matrix();
System.Windows.Point point = new System.Windows.Point();
point.X = 3;
matrix.Rotate(10);
}
/// <summary>
/// Initializes a new instance of the <see cref="DebuggingDemo"/> class.
/// </summary>
public DebuggingDemo()
{
System.Windows.Media.Matrix matrix = new System.Windows.Media.Matrix();
System.Windows.Point point = new System.Windows.Point();
point.X = 3;
matrix.Rotate(10);
}
public Image Rotate(Image dst, double angle, BorderType borderType, uint borderValue)
{
angle = angle % 360.0;
float a = (float)(Math.PI * (angle / 180.0));
if (Math.Abs(a) < 0.001f)
{
return(this.Copy(dst, true));
}
System.Windows.Media.Matrix matrix = System.Windows.Media.Matrix.Identity;
matrix.Rotate(angle);
return(this.Affine(dst, matrix, borderType, borderValue));
}
public void PerformOperation(object sender, RoutedEventArgs e)
{
var li = sender as RadioButton;
string syntaxString, resultType, operationString;
switch (li?.Name)
{
// begin switch
case "rb1":
{
// Multiplies a Matrix by a Matrix using the overloaded * operator
// Returns a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var isInvertible = matrix1.HasInverse;
// isInvertible is equal to True
// Displaying Results
syntaxString = "isInvertible = matrix1.HasInverse;";
resultType = "Boolean";
operationString = "Checking if matrix1 is invertible";
ShowResults(isInvertible.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb2":
{
// Translates a Matrix
// Returns a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
const double offsetX = 15;
const double offsetY = 25;
matrix1.Translate(offsetX, offsetY);
// matrix1 is not equal to
//Displaying Results
syntaxString = "matrix1.Translate(offsetX, offsetY);";
resultType = "Void";
operationString = "Translating a Matrix by a Point";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb3":
{
// Prepend a Tranlsation to a Matrix
// Returns a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
const double offsetX = 15;
const double offsetY = 25;
matrix1.TranslatePrepend(offsetX, offsetY);
// matrix1 is not equal to
//Displaying Results
syntaxString = " matrix1.TranslatePrepend(offsetX, offsetY);";
resultType = "Void";
operationString = "Prepending Translating a matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb4":
{
// Sets a Matrix to an identity matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
matrix1.SetIdentity();
// matrix1 is now equal to (1,0,0,1,0,0)
//Displaying Results
syntaxString = "matrix1.SetIdentity();";
resultType = "Void";
operationString = "Setting a matrix to an identity matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb5":
{
// Checks if a Matrix is an identity matrix
// Creates a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
// Sets matrix1 into an identity matrix
matrix1.SetIdentity();
var isIdentityMatrix = matrix1.IsIdentity;
// isIdentityMatrix is equal to True
//Displaying Results
syntaxString = "isIdentityMatrix = matrix1.IsIdentity;";
resultType = "Boolean";
operationString = "Determining if a Matrix is an identity matrix";
ShowResults(isIdentityMatrix.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb6":
{
// Changes a Matrix into an identity matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
matrix1 = System.Windows.Media.Matrix.Identity;
// matrix1 is now equal to (1,0,0,1,0,0)
//Displaying Results
syntaxString = "matrix1 = Matrix.Identity;";
resultType = "Matrix";
operationString = "Gets an identity Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb7":
{
// Converts a string representation of a matrix into a Matrix structure
var matrixResult = new System.Windows.Media.Matrix();
matrixResult = System.Windows.Media.Matrix.Parse("1,2,3,4,5,6");
// matrixResult is equal to (1,2,3,4,5,6)
//Displaying Results
syntaxString = "matrixResult = Matrix.Parse(\"1,2,3,4,5,6\");";
resultType = "Matrix";
operationString = "Convert a string into a Matrix structure";
ShowResults(matrixResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb8":
{
// Checks if two Matrixes are equal using the static Equals method
// Returns a Boolean.
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
var areEqual = System.Windows.Media.Matrix.Equals(matrix1, matrix2);
// areEqual is equal to False
//Displaying Results
syntaxString = "areEqual = Matrix.Equals(matrix1, matrix2);";
resultType = "Boolean";
operationString = "Checking if the matrices are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb8b":
{
// Checks if an Object is equal to a Matrix using the static Equals method
// Returns a Boolean.
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
var areEqual = matrix1.Equals(matrix2);
// areEqual is equal to False
//Displaying Results
syntaxString = "areEqual = Matrix.Equals(matrix1, matrix2);";
resultType = "Boolean";
operationString = "Checking if the matrices are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb9":
{
// Checks if two Matrixes are equal using the overloaded == operator
// Returns a Boolean.
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
var areEqual = matrix1 == matrix2;
// areEqual is equal to False
//Displaying Results
syntaxString = "areEqual = matrix1 == matrix2;";
resultType = "Boolean";
operationString = "Checking if the matrices are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb10":
{
// Checks if two Matrixes are not equal using the overloaded != operator
// Returns a Boolean.
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
var areEqual = matrix1 != matrix2;
// areEqual is equal to False
//Displaying Results
syntaxString = "areEqual = matrix1 != matrix2;";
resultType = "Boolean";
operationString = "Checking if the matrices are not equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb11":
{
// Inverts a Matrix
// Creating a Matrix structure
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
// Checking if matrix1 is invertible
if (matrix1.HasInverse)
{
// Inverting matrix1
matrix1.Invert();
// matrix1 is equal to (-0.04, 0.2 , 0.3, -0.1, 1, -2)
}
//Displaying Results
syntaxString = "matrix1.Invert();";
resultType = "Void";
operationString = "Inverting a matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb12":
{
// Prepends a Matrix to another Matrix.
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
matrix1.Prepend(matrix2);
// matrix1 is equal to (70,100,150,220,255,370)
//Displaying Results
syntaxString = "matrix1.Prepend(matrix2);";
resultType = "Void";
operationString = "Prepending a Matrix to another Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb13":
{
// Appends a Matrix to another Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
matrix1.Append(matrix2);
// matrix1 is equal to (70,100,150,220,240,352)
//Displaying Results
syntaxString = "matrix1.Append(matrix2);";
resultType = "Void";
operationString = "Appending a Matrix to another Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb14":
{
// Rotates a Matrix by a specified angle
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double rotateAngle = 90;
matrix1.Rotate(rotateAngle);
// matrix1 is equal to (-10,5,-20,15,-30,25)
//Displaying Results
syntaxString = "matrix1.Rotate(rotateAngle);";
resultType = "Void";
operationString = "Rotating a Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb15":
{
// Rotates a Matrix by a specified angle at a specific point
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
matrix1.RotateAt(90, 2, 4);
// matrix1 is equal to (-10,5,-20,15,-24,27)
//Displaying Results
syntaxString = "matrix1.RotateAt(rotateAngle, rotateCenterX, rotateCenterY);";
resultType = "Void";
operationString = "Rotating a Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb16":
{
// Prepends a Rotation to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double rotateAngle = 90;
matrix1.RotatePrepend(rotateAngle);
// matrix1 is equal to (15,20,-5,-10,25,30)
//Displaying Results
syntaxString = "matrix1.RotatePrepend(rotateAngle);";
resultType = "Void";
operationString = "Rotating a Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb17":
{
// Prepends a Rotation at a specific point to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
matrix1.RotateAtPrepend(90, 2, 4);
// matrix1 is equal to (15,20,-5,-10,85,130)
//Displaying Results
syntaxString = "matrix1.RotateAtPrepend(rotateAngle, rotateCenterX, rotateCenterY);";
resultType = "Void";
operationString = "Rotating a Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb18":
{
// Scales a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double scaleX = (1);
double scaleY = (2);
matrix1.Scale(scaleX, scaleY);
// matrix1 is equal to
//Displaying Results
syntaxString = "matrix1.Scale(scaleX, scaleY);";
resultType = "Void";
operationString = "Scaling a Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb19":
{
// Multiplies a Matrix by another Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
var matrixResult = new System.Windows.Media.Matrix();
matrixResult = System.Windows.Media.Matrix.Multiply(matrix2, matrix1);
// matrixResult is equal to (70, 100, 150, 220, 255, 370)
//Displaying Results
syntaxString = "matrixResult = Matrix.Multiply(matrix2, matrix1);";
resultType = "Matrix";
operationString = "Multiplying matrix1 and matrix2";
ShowResults(matrixResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb20":
{
// Multiplies a Matrix by another Matrix using the overloaded * operator
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
var matrixResult = new System.Windows.Media.Matrix();
matrixResult = matrix1*matrix2;
// matrixResult is equal to (70, 100, 150, 220, 240, 352)
//Displaying Results
syntaxString = " matrixResult = matrix1 * matrix2;";
resultType = "Matrix";
operationString = "Multiplying matrix1 and matrix2";
ShowResults(matrixResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb21":
{
// Appends a skew to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double skewAngleX = 45;
double skewAngleY = 180;
matrix1.Skew(skewAngleX, skewAngleY);
// matrix1 is equal to (15, 10, 35, 20, 55, 30)
//Displaying Results
syntaxString = "matrix1.Skew(skewAngleX, skewAngleY);";
resultType = "Void";
operationString = "Multiplying matrix2 and matrix1";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb22":
{
// Prepends a skew to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double skewAngleX = 45;
double skewAngleY = 180;
matrix1.SkewPrepend(skewAngleX, skewAngleY);
// matrix1 is equal to (5, 10, 20, 30, 25, 30)
//Displaying Results
syntaxString = "matrix1.SkewPrepend(skewAngleX, skewAngleY);";
resultType = "Void";
operationString = "Multiplying matrix2 and matrix1";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb23":
{
// Appends a scale to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double scaleFactorX = 2;
double scaleFactorY = 4;
matrix1.Scale(scaleFactorX, scaleFactorY);
// matrix1 is equal to (10, 40, 30, 80, 50, 120)
//Displaying Results
syntaxString = "matrix1.Scale(scaleFactorX, scaleFactorY);";
resultType = "Void";
operationString = "Appending a scale to a matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb24":
{
// Appends a scale at a specific point to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
matrix1.ScaleAt(2, 4, 5, 10);
// matrix1 is equal to (10, 40, 30, 80, 45, 90)
//Displaying Results
syntaxString = " matrix1.ScaleAt(scaleFactorX, scaleFactorY, scaleCenterX, scaleCenterY);";
resultType = "Void";
operationString = "Appends a scale at a specific point to matrix1";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb25":
{
// Prepends a scale to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double scaleFactorX = 2;
double scaleFactorY = 4;
matrix1.ScalePrepend(scaleFactorX, scaleFactorY);
// matrix1 is equal to (10, 20, 60, 80, 25, 30)
//Displaying Results
syntaxString = "matrix1.ScalePrepend(scaleFactorX, scaleFactorY);";
resultType = "Void";
operationString = "Prepending a scale to matrix1";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb26":
{
// Prepends a scale at a specific point to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
matrix1.ScaleAtPrepend(2, 4, 5, 10);
// matrix1 is equal to (10, 20, 60, 80, -450, -620)
//Displaying Results
syntaxString = "matrix1.ScalePrependAt(scaleFactorX, scaleFactorY, centerPointX, centerPointY);";
resultType = "Void";
operationString = "Prepending a scale at a specific point to matrix1";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb29":
{
// Transform a point by a matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var point1 = new Point(15, 25);
var pointResult = new Point();
pointResult = matrix1.Transform(point1);
// pointResult is equal to (475, 680)
//Displaying Results
syntaxString = "pointResult = matrix1.Transform(point1)";
resultType = "Point";
operationString = "Transforming a point1 by matrix1";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb30":
{
// Transform a Vector by a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var vector1 = new Vector(15, 25);
new Vector();
matrix1.Transform(vector1);
// vectorResult is equal to (450, 650)
//Displaying Results
syntaxString = "vectorResult = matrix1.Transform(vector1);";
resultType = "Vector";
operationString = "Multiplying matrix2 and matrix1";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb31":
{
// Transform an array of Points by a Matrix
// Creating a Matrix and an array of Pointers
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var pointArray = new Point[2];
// Setting the Point's X and Y values
pointArray[0].X = 15;
pointArray[0].Y = 25;
pointArray[1].X = 30;
pointArray[1].Y = 35;
// Transforming the Points in pointArry by matrix1
matrix1.Transform(pointArray);
// pointArray[0] is equal to (475, 680)
// pointArray[1] is equal to (700, 1030)
//Displaying Results
syntaxString = "matrix1.Transform(pointArray);";
resultType = "void";
operationString = "Transforming an array of Points by matrix1";
ShowResults(pointArray[1].ToString(), syntaxString, resultType, operationString);
break;
}
case "rb32":
{
// Transform an array of Vectors by a Matrix
// Creating a Matrix and an array of Vectors
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var vectorArray = new Vector[2];
// Setting the Vector's X and Y values
vectorArray[0].X = 15;
vectorArray[0].Y = 25;
vectorArray[1].X = 30;
vectorArray[1].Y = 35;
// Transforming the Vectors in vectorArray by matrix1
matrix1.Transform(vectorArray);
// VectorArray[0] is equal to (450, 650)
// VectorArray[1] is equal to (675, 1000)
//Displaying Results
syntaxString = " matrix1.Transform(vectorArray);";
resultType = "Void";
operationString = "Multiplying matrix2 and matrix1";
ShowResults(vectorArray[0].ToString(), syntaxString, resultType, operationString);
break;
}
} // end switch
}
public void PerformOperation(object sender, RoutedEventArgs e)
{
var li = sender as RadioButton;
string syntaxString, resultType, operationString;
switch (li?.Name)
{
// begin switch
case "rb1":
{
// Multiplies a Matrix by a Matrix using the overloaded * operator
// Returns a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var isInvertible = matrix1.HasInverse;
// isInvertible is equal to True
// Displaying Results
syntaxString = "isInvertible = matrix1.HasInverse;";
resultType = "Boolean";
operationString = "Checking if matrix1 is invertible";
ShowResults(isInvertible.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb2":
{
// Translates a Matrix
// Returns a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
const double offsetX = 15;
const double offsetY = 25;
matrix1.Translate(offsetX, offsetY);
// matrix1 is not equal to
//Displaying Results
syntaxString = "matrix1.Translate(offsetX, offsetY);";
resultType = "Void";
operationString = "Translating a Matrix by a Point";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb3":
{
// Prepend a Tranlsation to a Matrix
// Returns a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
const double offsetX = 15;
const double offsetY = 25;
matrix1.TranslatePrepend(offsetX, offsetY);
// matrix1 is not equal to
//Displaying Results
syntaxString = " matrix1.TranslatePrepend(offsetX, offsetY);";
resultType = "Void";
operationString = "Prepending Translating a matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb4":
{
// Sets a Matrix to an identity matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
matrix1.SetIdentity();
// matrix1 is now equal to (1,0,0,1,0,0)
//Displaying Results
syntaxString = "matrix1.SetIdentity();";
resultType = "Void";
operationString = "Setting a matrix to an identity matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb5":
{
// Checks if a Matrix is an identity matrix
// Creates a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
// Sets matrix1 into an identity matrix
matrix1.SetIdentity();
var isIdentityMatrix = matrix1.IsIdentity;
// isIdentityMatrix is equal to True
//Displaying Results
syntaxString = "isIdentityMatrix = matrix1.IsIdentity;";
resultType = "Boolean";
operationString = "Determining if a Matrix is an identity matrix";
ShowResults(isIdentityMatrix.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb6":
{
// Changes a Matrix into an identity matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
matrix1 = System.Windows.Media.Matrix.Identity;
// matrix1 is now equal to (1,0,0,1,0,0)
//Displaying Results
syntaxString = "matrix1 = Matrix.Identity;";
resultType = "Matrix";
operationString = "Gets an identity Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb7":
{
// Converts a string representation of a matrix into a Matrix structure
var matrixResult = new System.Windows.Media.Matrix();
matrixResult = System.Windows.Media.Matrix.Parse("1,2,3,4,5,6");
// matrixResult is equal to (1,2,3,4,5,6)
//Displaying Results
syntaxString = "matrixResult = Matrix.Parse(\"1,2,3,4,5,6\");";
resultType = "Matrix";
operationString = "Convert a string into a Matrix structure";
ShowResults(matrixResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb8":
{
// Checks if two Matrixes are equal using the static Equals method
// Returns a Boolean.
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
var areEqual = System.Windows.Media.Matrix.Equals(matrix1, matrix2);
// areEqual is equal to False
//Displaying Results
syntaxString = "areEqual = Matrix.Equals(matrix1, matrix2);";
resultType = "Boolean";
operationString = "Checking if the matrices are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb8b":
{
// Checks if an Object is equal to a Matrix using the static Equals method
// Returns a Boolean.
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
var areEqual = matrix1.Equals(matrix2);
// areEqual is equal to False
//Displaying Results
syntaxString = "areEqual = Matrix.Equals(matrix1, matrix2);";
resultType = "Boolean";
operationString = "Checking if the matrices are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb9":
{
// Checks if two Matrixes are equal using the overloaded == operator
// Returns a Boolean.
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
var areEqual = matrix1 == matrix2;
// areEqual is equal to False
//Displaying Results
syntaxString = "areEqual = matrix1 == matrix2;";
resultType = "Boolean";
operationString = "Checking if the matrices are equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb10":
{
// Checks if two Matrixes are not equal using the overloaded != operator
// Returns a Boolean.
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
var areEqual = matrix1 != matrix2;
// areEqual is equal to False
//Displaying Results
syntaxString = "areEqual = matrix1 != matrix2;";
resultType = "Boolean";
operationString = "Checking if the matrices are not equal";
ShowResults(areEqual.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb11":
{
// Inverts a Matrix
// Creating a Matrix structure
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
// Checking if matrix1 is invertible
if (matrix1.HasInverse)
{
// Inverting matrix1
matrix1.Invert();
// matrix1 is equal to (-0.04, 0.2 , 0.3, -0.1, 1, -2)
}
//Displaying Results
syntaxString = "matrix1.Invert();";
resultType = "Void";
operationString = "Inverting a matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb12":
{
// Prepends a Matrix to another Matrix.
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
matrix1.Prepend(matrix2);
// matrix1 is equal to (70,100,150,220,255,370)
//Displaying Results
syntaxString = "matrix1.Prepend(matrix2);";
resultType = "Void";
operationString = "Prepending a Matrix to another Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb13":
{
// Appends a Matrix to another Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
matrix1.Append(matrix2);
// matrix1 is equal to (70,100,150,220,240,352)
//Displaying Results
syntaxString = "matrix1.Append(matrix2);";
resultType = "Void";
operationString = "Appending a Matrix to another Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb14":
{
// Rotates a Matrix by a specified angle
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double rotateAngle = 90;
matrix1.Rotate(rotateAngle);
// matrix1 is equal to (-10,5,-20,15,-30,25)
//Displaying Results
syntaxString = "matrix1.Rotate(rotateAngle);";
resultType = "Void";
operationString = "Rotating a Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb15":
{
// Rotates a Matrix by a specified angle at a specific point
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
matrix1.RotateAt(90, 2, 4);
// matrix1 is equal to (-10,5,-20,15,-24,27)
//Displaying Results
syntaxString = "matrix1.RotateAt(rotateAngle, rotateCenterX, rotateCenterY);";
resultType = "Void";
operationString = "Rotating a Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb16":
{
// Prepends a Rotation to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double rotateAngle = 90;
matrix1.RotatePrepend(rotateAngle);
// matrix1 is equal to (15,20,-5,-10,25,30)
//Displaying Results
syntaxString = "matrix1.RotatePrepend(rotateAngle);";
resultType = "Void";
operationString = "Rotating a Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb17":
{
// Prepends a Rotation at a specific point to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
matrix1.RotateAtPrepend(90, 2, 4);
// matrix1 is equal to (15,20,-5,-10,85,130)
//Displaying Results
syntaxString = "matrix1.RotateAtPrepend(rotateAngle, rotateCenterX, rotateCenterY);";
resultType = "Void";
operationString = "Rotating a Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb18":
{
// Scales a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double scaleX = (1);
double scaleY = (2);
matrix1.Scale(scaleX, scaleY);
// matrix1 is equal to
//Displaying Results
syntaxString = "matrix1.Scale(scaleX, scaleY);";
resultType = "Void";
operationString = "Scaling a Matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb19":
{
// Multiplies a Matrix by another Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
var matrixResult = new System.Windows.Media.Matrix();
matrixResult = System.Windows.Media.Matrix.Multiply(matrix2, matrix1);
// matrixResult is equal to (70, 100, 150, 220, 255, 370)
//Displaying Results
syntaxString = "matrixResult = Matrix.Multiply(matrix2, matrix1);";
resultType = "Matrix";
operationString = "Multiplying matrix1 and matrix2";
ShowResults(matrixResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb20":
{
// Multiplies a Matrix by another Matrix using the overloaded * operator
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var matrix2 = new System.Windows.Media.Matrix(2, 4, 6, 8, 10, 12);
var matrixResult = new System.Windows.Media.Matrix();
matrixResult = matrix1 * matrix2;
// matrixResult is equal to (70, 100, 150, 220, 240, 352)
//Displaying Results
syntaxString = " matrixResult = matrix1 * matrix2;";
resultType = "Matrix";
operationString = "Multiplying matrix1 and matrix2";
ShowResults(matrixResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb21":
{
// Appends a skew to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double skewAngleX = 45;
double skewAngleY = 180;
matrix1.Skew(skewAngleX, skewAngleY);
// matrix1 is equal to (15, 10, 35, 20, 55, 30)
//Displaying Results
syntaxString = "matrix1.Skew(skewAngleX, skewAngleY);";
resultType = "Void";
operationString = "Multiplying matrix2 and matrix1";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb22":
{
// Prepends a skew to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double skewAngleX = 45;
double skewAngleY = 180;
matrix1.SkewPrepend(skewAngleX, skewAngleY);
// matrix1 is equal to (5, 10, 20, 30, 25, 30)
//Displaying Results
syntaxString = "matrix1.SkewPrepend(skewAngleX, skewAngleY);";
resultType = "Void";
operationString = "Multiplying matrix2 and matrix1";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb23":
{
// Appends a scale to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double scaleFactorX = 2;
double scaleFactorY = 4;
matrix1.Scale(scaleFactorX, scaleFactorY);
// matrix1 is equal to (10, 40, 30, 80, 50, 120)
//Displaying Results
syntaxString = "matrix1.Scale(scaleFactorX, scaleFactorY);";
resultType = "Void";
operationString = "Appending a scale to a matrix";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb24":
{
// Appends a scale at a specific point to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
matrix1.ScaleAt(2, 4, 5, 10);
// matrix1 is equal to (10, 40, 30, 80, 45, 90)
//Displaying Results
syntaxString = " matrix1.ScaleAt(scaleFactorX, scaleFactorY, scaleCenterX, scaleCenterY);";
resultType = "Void";
operationString = "Appends a scale at a specific point to matrix1";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb25":
{
// Prepends a scale to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
double scaleFactorX = 2;
double scaleFactorY = 4;
matrix1.ScalePrepend(scaleFactorX, scaleFactorY);
// matrix1 is equal to (10, 20, 60, 80, 25, 30)
//Displaying Results
syntaxString = "matrix1.ScalePrepend(scaleFactorX, scaleFactorY);";
resultType = "Void";
operationString = "Prepending a scale to matrix1";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb26":
{
// Prepends a scale at a specific point to a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
matrix1.ScaleAtPrepend(2, 4, 5, 10);
// matrix1 is equal to (10, 20, 60, 80, -450, -620)
//Displaying Results
syntaxString = "matrix1.ScalePrependAt(scaleFactorX, scaleFactorY, centerPointX, centerPointY);";
resultType = "Void";
operationString = "Prepending a scale at a specific point to matrix1";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb29":
{
// Transform a point by a matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var point1 = new Point(15, 25);
var pointResult = new Point();
pointResult = matrix1.Transform(point1);
// pointResult is equal to (475, 680)
//Displaying Results
syntaxString = "pointResult = matrix1.Transform(point1)";
resultType = "Point";
operationString = "Transforming a point1 by matrix1";
ShowResults(pointResult.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb30":
{
// Transform a Vector by a Matrix
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var vector1 = new Vector(15, 25);
new Vector();
matrix1.Transform(vector1);
// vectorResult is equal to (450, 650)
//Displaying Results
syntaxString = "vectorResult = matrix1.Transform(vector1);";
resultType = "Vector";
operationString = "Multiplying matrix2 and matrix1";
ShowResults(matrix1.ToString(), syntaxString, resultType, operationString);
break;
}
case "rb31":
{
// Transform an array of Points by a Matrix
// Creating a Matrix and an array of Pointers
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var pointArray = new Point[2];
// Setting the Point's X and Y values
pointArray[0].X = 15;
pointArray[0].Y = 25;
pointArray[1].X = 30;
pointArray[1].Y = 35;
// Transforming the Points in pointArry by matrix1
matrix1.Transform(pointArray);
// pointArray[0] is equal to (475, 680)
// pointArray[1] is equal to (700, 1030)
//Displaying Results
syntaxString = "matrix1.Transform(pointArray);";
resultType = "void";
operationString = "Transforming an array of Points by matrix1";
ShowResults(pointArray[1].ToString(), syntaxString, resultType, operationString);
break;
}
case "rb32":
{
// Transform an array of Vectors by a Matrix
// Creating a Matrix and an array of Vectors
var matrix1 = new System.Windows.Media.Matrix(5, 10, 15, 20, 25, 30);
var vectorArray = new Vector[2];
// Setting the Vector's X and Y values
vectorArray[0].X = 15;
vectorArray[0].Y = 25;
vectorArray[1].X = 30;
vectorArray[1].Y = 35;
// Transforming the Vectors in vectorArray by matrix1
matrix1.Transform(vectorArray);
// VectorArray[0] is equal to (450, 650)
// VectorArray[1] is equal to (675, 1000)
//Displaying Results
syntaxString = " matrix1.Transform(vectorArray);";
resultType = "Void";
operationString = "Multiplying matrix2 and matrix1";
ShowResults(vectorArray[0].ToString(), syntaxString, resultType, operationString);
break;
}
} // end switch
}
public override void Render(Feature feature)
{
if (_recursion > _window.MaxRecursion)
return;
RenderCount++;
var geometry = feature.Geometry;
//geometry = geometry.Envelope;
if (geometry.OgcGeometryType != OgcGeometryType.Polygon &&
geometry.OgcGeometryType != OgcGeometryType.MultiPolygon)
return;
if (feature.Fid != 6306)
return;
//evaluate fields
var centerX = Evaluate(_centerXEvaluator, _centerX);
var centerY = Evaluate(_centerYEvaluator, _centerY);
var zoom = Evaluate(_zoomEvaluator, _zoom);
var angle = Evaluate(_angleEvaluator, _angle);
var centroid = geometry.Centroid.ToWinPoint();
//temporary debug value
//_zoom = (_zoom + 10) % 360;
//centerX = centroid.X + 25;
//centerY = centroid.Y;
//zoom = 0.5;
//angle = -_zoom;
//clip path coordinates
var coordinates = ToWinPointArray(geometry.Coordinates);
Renderer.Transform(coordinates);
var coordinatesF = coordinates.ToPointFArray();
var clipPath = new GraphicsPath();
clipPath.AddPolygon(coordinatesF);
//camera transform
var camera = new WinMatrix();
camera.Translate(-centroid.X, -centroid.Y);
camera.Scale(1/zoom, 1/zoom);
camera.Rotate(-angle);
camera.Translate(centerX, centerY);
//camera polygon
coordinates = ToWinPointArray(geometry.Coordinates);
camera.Transform(coordinates);
var queryWindow = new Envelope();
ExpendToInclude(queryWindow, coordinates);
var oldMatrix = Renderer.Matrix;
var invCamera = camera;
invCamera.Invert();
var newMatrix = invCamera * oldMatrix;
var newTranslate = newMatrix;
newTranslate.OffsetX = newTranslate.OffsetY = 0;
newTranslate.Invert();
newTranslate = newMatrix * newTranslate;
Feature queryFeature = null;
Feature windowTargetFeature = null;
var newTransform = new System.Drawing.Drawing2D.Matrix((float)newMatrix.M11, (float)newMatrix.M12, (float)newMatrix.M21, (float)newMatrix.M22, 0f, 0f);
var oldWindow = Renderer.Window;
var savedState = Renderer.Graphics.Save();
var oldModelView = Renderer.Translate;
var oldZoom = Renderer.Zoom;
//var oldAngle = Renderer.Angle;
_recursion++;
int i = 0;
while (i < Renderers.Count)
{
var renderer = Renderers[i];
var childNode = renderer.Node;
if (childNode is WindowQuery)
{
if (queryFeature == null)
{
queryFeature = new Feature(feature);
queryFeature.Geometry = Util.ToPolygon(queryWindow);
}
do
renderer.Render(queryFeature);
while (++i < Renderers.Count && (childNode = (renderer = Renderers[i]).Node) is WindowQuery);
}
else if (childNode is WindowTarget)
{
if (windowTargetFeature == null)
{
windowTargetFeature = new Feature(feature);
windowTargetFeature.Geometry = new Polygon(new LinearRing(ToCoordinateArray(coordinates)));
}
do
renderer.Render(windowTargetFeature);
while (++i < Renderers.Count && (childNode = (renderer = Renderers[i]).Node) is WindowTarget);
}
else
{
try
{
Renderer.Window = queryWindow;
if (_window.Clip)
{
var region = Renderer.Graphics.Clip;
if (region != null)
{
region.Intersect(clipPath);
Renderer.Graphics.Clip = region;
}
else
Renderer.Graphics.SetClip(clipPath);
}
Renderer.Matrix = newMatrix;
Renderer.Translate = newTranslate;
Renderer.Graphics.Transform = newTransform;
Renderer.Zoom *= zoom;
//Renderer.Angle += angle;
//Renderer.Graphics.Clear(Evaluate(_bgColorEvaluator, _bgColor));
do
renderer.Render(feature);
while (++i < Renderers.Count && !((childNode = (renderer = Renderers[i]).Node) is WindowQuery || childNode is WindowTarget));
}
finally
{
Renderer.Window = oldWindow;
Renderer.Graphics.Restore(savedState);
Renderer.Translate = oldModelView;
Renderer.Zoom = oldZoom;
//Renderer.Angle = oldAngle;
Renderer.Matrix = oldMatrix;
_recursion--;
}
}
}
////debug: render camera polygon
//Renderer.Transform(coordinates);
//coordinatesF = coordinates.ToPointFArray();
//using (var brush = new SolidBrush(Color.FromArgb(50, Color.Red)))
// Renderer.Graphics.FillPolygon(brush, coordinatesF);
////debug: render camera envelope
//var points = new[] { new WinPoint(queryWindow.MinX, queryWindow.MinY), new WinPoint(queryWindow.MaxX, queryWindow.MaxY) };
//Renderer.Transform(points);
//var size = points[1] - points[0];
//using (var brush = new SolidBrush(Color.FromArgb(50, Color.Green)))
// Renderer.Graphics.FillRectangle(brush, (float)points[0].X, (float)points[0].Y, (float)size.X, (float)size.Y);
}
