//</snippet3>
// The following code example demonstrates using a Matrix
// and the GraphicsPath.Transform method to rotate a string.
// This example is designed to be used with Windows Forms.
// Create a form and paste the following code into it. Call the
// DrawVerticalStringFromBottomUp method in the form's Paint
// event-handling method, passing e as PaintEventArgs.
//<snippet5>
public void DrawVerticalStringFromBottomUp(PaintEventArgs e)
{
// Create the string to draw on the form.
string text = "Can you read this?";
// Create a GraphicsPath.
System.Drawing.Drawing2D.GraphicsPath path =
new System.Drawing.Drawing2D.GraphicsPath();
// Add the string to the path; declare the font, font style, size, and
// vertical format for the string.
path.AddString(text, this.Font.FontFamily, 1, 15,
new PointF(0.0F, 0.0F),
new StringFormat(StringFormatFlags.DirectionVertical));
// Declare a matrix that will be used to rotate the text.
System.Drawing.Drawing2D.Matrix rotateMatrix =
new System.Drawing.Drawing2D.Matrix();
// Set the rotation angle and starting point for the text.
rotateMatrix.RotateAt(180.0F, new PointF(10.0F, 100.0F));
// Transform the text with the matrix.
path.Transform(rotateMatrix);
// Set the SmoothingMode to high quality for best readability.
e.Graphics.SmoothingMode =
System.Drawing.Drawing2D.SmoothingMode.HighQuality;
// Fill in the path to draw the string.
e.Graphics.FillPath(Brushes.Red, path);
// Dispose of the path.
path.Dispose();
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics myGraphics = e.Graphics;
Pen myPen = new Pen(Color.Black, 1.0f);
GraphicsPath gp = new GraphicsPath();
Matrix RotationTransform;
float centerX = this.Size.Width / 2f;
float centerY = this.Size.Height / 2f;
gp.AddPolygon(new PointF[] {
new PointF(centerX, centerY - 5),
new PointF(centerX-5, centerY + 5),
new PointF(centerX+5, centerY + 5)
});
RotationTransform = new Matrix(1, 0, 0, 1, 0, 0); // rotation matrix
PointF RotationPoint = new PointF(centerX, centerY); // rotation point
RotationTransform.RotateAt(heading, RotationPoint);
gp.Transform(RotationTransform);
myGraphics.FillPath(myPen.Brush, gp);
myGraphics.DrawPath(myPen, gp);
myPen.Dispose();
gp.Dispose();
}
/// <summary>
/// Draw Function.</summary>
/// <param name="g">Graphics for Drawing</param>
public void Draw(Graphics g, float rollAngle, float pitchAngle)
{
Matrix transformMatrix = new Matrix();
transformMatrix.RotateAt(rollAngle, center);
transformMatrix.Translate(0, pitchAngle * pixelPerDegree);
// Previous major graduation value next to currentValue.
int majorGraduationValue = ((int)(pitchAngle / 10) * 10);
for (int degree = majorGraduationValue - 20; degree <= majorGraduationValue + 20; degree += 5)
{
if (degree == 0)
continue;
int width = degree % 10 == 0 ? 60 : 30;
GraphicsPath skyPath = new GraphicsPath();
skyPath.AddLine(center.X - width, center.Y - degree * pixelPerDegree, center.X + width, center.Y - degree * pixelPerDegree);
skyPath.Transform(transformMatrix);
g.DrawPath(drawingPen, skyPath);
//g.DrawString(degree.ToString(), SystemFonts.DefaultFont, Brushes.White, center.X - width - 15, center.Y - degree * 10);
}
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
using (Graphics g = e.Graphics)
{
// Создаем траекторию
GraphicsPath path = new GraphicsPath();
Rectangle rect = new Rectangle(20, 20, 150, 150);
path.AddRectangle(rect);
// Создаем градиентную кисть
PathGradientBrush pgBrush =
new PathGradientBrush(path.PathPoints);
// Уснинавливаем цвета кисти
pgBrush.CenterColor = Color.Red;
pgBrush.SurroundColors = new Color[] { Color.Blue };
// Создаем объект Matrix
Matrix X = new Matrix();
// Translate
X.Translate(30.0f, 10.0f, MatrixOrder.Append);
// Rotate
X.Rotate(10.0f, MatrixOrder.Append);
// Scale
X.Scale(1.2f, 1.0f, MatrixOrder.Append);
// Shear
X.Shear(.2f, 0.03f, MatrixOrder.Prepend);
// Применяем преобразование к траектории и кисти
path.Transform(X);
pgBrush.Transform = X;
// Выполняем визуализацию
g.FillPath(pgBrush, path);
}
}
/// <summary>
/// Изчертава елипсите.
/// </summary>
/// <param name="graphics"></param>
public override void DrawYourSelf(Graphics graphics)
{
GraphicsPath path = new GraphicsPath();
path.StartFigure();
path.AddEllipse(Location.X + ModelSize.Width / 3, Location.Y + ModelSize.Height / 3, ModelSize.Width / 3, ModelSize.Height / 3);
path.CloseFigure();
path.StartFigure();
path.AddLine(Location.X + (ModelSize.Width * 2) / 3, Location.Y + ModelSize.Height / 2, Location.X + ModelSize.Width, Location.Y + ModelSize.Height / 2);
path.CloseFigure();
path.AddEllipse(new RectangleF(Location, ModelSize));
path.CloseFigure();
path.Transform(this.TMatrix.TransformationMatrix);
/*
* Създава се Pen, който изчертава контура, като използва
* цвят и дебелина (определят се от конструктора)
*/
Pen pen = new Pen(this.BorderColor, this.BorderWidth);
// Правим същото, но за запълването
if (IS_FILLED)
{
SolidBrush brush = new SolidBrush(this.FillColor);
graphics.FillPath(brush, path);
}
graphics.DrawPath(pen, path);
if (this.Selected)
{
this.selectionUnit = new CoveringRectangle(Rectangle.Round(ReturnBounds()));
this.selectionUnit.DrawYourSelf(graphics);
}
}
public static Bitmap RotateImage(Image img, float theta)
{
Matrix matrix = new Matrix();
matrix.Translate(img.Width / -2, img.Height / -2, MatrixOrder.Append);
matrix.RotateAt(theta, new Point(0, 0), MatrixOrder.Append);
using (GraphicsPath gp = new GraphicsPath())
{
gp.AddPolygon(new Point[] { new Point(0, 0), new Point(img.Width, 0), new Point(0, img.Height) });
gp.Transform(matrix);
PointF[] pts = gp.PathPoints;
Rectangle bbox = BoundingBox(img, matrix);
Bitmap bmpDest = new Bitmap(bbox.Width, bbox.Height);
using (Graphics gDest = Graphics.FromImage(bmpDest))
{
Matrix mDest = new Matrix();
mDest.Translate(bmpDest.Width / 2, bmpDest.Height / 2, MatrixOrder.Append);
gDest.Transform = mDest;
gDest.CompositingQuality = CompositingQuality.HighQuality;
gDest.InterpolationMode = InterpolationMode.HighQualityBicubic;
gDest.DrawImage(img, pts);
return bmpDest;
}
}
}
public OutlinedStringSurface(
String str, Font font, Brush brush, Pen outlinePen,
StringFormat stringFormat)
{
Contract.Requires(str != null);
Contract.Requires(font != null);
Contract.Requires(brush != null);
Contract.Requires(outlinePen != null);
_brush = brush;
_outlinePen = outlinePen;
// グラフィックスパスの生成
_path = new GraphicsPath();
_path.AddString(
str, font.FontFamily, (int)font.Style, font.Size,
new Point(0, 0), stringFormat);
// サイズを取得する
var rect = _path.GetBounds();
Size = rect.Size.ToSize();
// 描画時にマージンがなくなるように平行移動
var matrix = new Matrix(1, 0, 0, 1, -rect.Left, -rect.Top);
_path.Transform(matrix);
// 描画位置を(0, 0)で記憶
matrix.Reset();
_matrix = matrix;
}
public override void DrawYourSelf(Graphics graphics)
{
int i = 0;
Point[] points = new Point[this.pointsList.Count];//(Point[])pointsList.ToArray(typeof(Point));
foreach(Point _point in this.pointsList)
{
points[i] = _point;
i++;
}
GraphicsPath path = new GraphicsPath();
path.AddPolygon(points);
path.Transform(this.TMatrix.TransformationMatrix);
Pen pen = new Pen(this.BorderColor, this.BorderWidth);
if (IS_FILLED)
{
SolidBrush brush = new SolidBrush(this.FillColor);
graphics.FillPath(brush, path);
}
graphics.DrawPath(pen, path);
if (this.Selected)
{
this.selectionUnit = new CoveringRectangle(Rectangle.Round(ReturnBounds()));
this.selectionUnit.DrawYourSelf(graphics);
}
}
/// <summary>
/// Изчертава правоъгълника.
/// </summary>
/// <param name="graphics"></param>
public override void DrawYourSelf(Graphics graphics)
{
GraphicsPath path = new GraphicsPath();
path.AddRectangle(new RectangleF(Location, ModelSize));
path.Transform(this.TMatrix.TransformationMatrix);
/**
* Създава се Pen, който изчертава контура, като използва
* цвят и дебелина (определят се от конструктора)
**/
Pen pen = new Pen(this.BorderColor, this.BorderWidth);
/*
* Създава се SolidBrush, която изпълва фигурата, като използва
* цвят (определя се от конструктора)
*/
SolidBrush brush = new SolidBrush(this.FillColor);
/*
* Функция на namespace System.Drawing.Drawing2D
* Изпълва контура на елипсата чрез SolidBrush
*/
if (IS_FILLED)
{
graphics.FillPath(brush, path);
}
/*
* Функция на namespace System.Drawing.Drawing2D
* Изчертава контура на елипсата чрез Pen
*/
graphics.DrawPath(pen, path);
if (this.Selected)
{
this.selectionUnit = new CoveringRectangle(Rectangle.Round(ReturnBounds()));
this.selectionUnit.DrawYourSelf(graphics);
}
}
public override void DrawYourSelf(Graphics graphics)
{
GraphicsPath path = new GraphicsPath();
path.StartFigure();
path.AddLine(Location.X, Location.Y + ModelSize.Height / 3, Location.X + ModelSize.Width, Location.Y + ModelSize.Height / 3);
path.CloseFigure();
path.StartFigure();
path.AddLine(Location.X, Location.Y + (ModelSize.Height / 3) * 2, Location.X + ModelSize.Width, Location.Y + (ModelSize.Height * 2) / 3);
path.CloseFigure();
path.AddEllipse(new RectangleF(Location, ModelSize));
path.CloseFigure();
path.Transform(this.TMatrix.TransformationMatrix);
Pen pen = new Pen(this.BorderColor, this.BorderWidth);
if (IS_FILLED)
{
SolidBrush brush = new SolidBrush(this.FillColor);
graphics.FillPath(brush, path);
}
graphics.DrawPath(pen, path);
if (this.Selected)
{
this.selectionUnit = new CoveringRectangle(Rectangle.Round(ReturnBounds()));
this.selectionUnit.DrawYourSelf(graphics);
}
}
/// <summary>
/// Функция вычисления вершин квадрата по двум смежным вершинам
/// </summary>
/// <param name="pt1">Первая вершина</param>
/// <param name="pt2">Вторая вершина</param>
/// <returns>Функция возвращает массив точек, являющихся вершинами квадрата</returns>
PointF[] GetSquareVertices(PointF pt1, PointF pt2) {
using (System.Drawing.Drawing2D.GraphicsPath square = new System.Drawing.Drawing2D.GraphicsPath()) {
//Разность координат (с учётом знака)
float deltaX = pt1.X - pt2.X, deltaY = pt1.Y - pt2.Y;
//Расстояние между точками
float dist = (float)Math.Sqrt(Math.Pow(deltaX, 2) + Math.Pow(deltaY, 2));
//Угол наклона стороны
double angle;
//Прямоугольник с вычисленной длиной стороны
square.AddRectangle(RectangleF.FromLTRB(0, 0, dist, dist));
//Вычисление угла поворота
angle = Math.Atan(deltaY / deltaX);
//Посколько функция Math.Atan возвращает угол в пределах [-π/2;π/2],
//то нужно пересчитать его в пределы [0;2π]. Для этого смотрим знак разности координат.
//Квадранты считаются с правого нижнего против часовой стрелки.
//Первый квадрант [0;π/2) получается сам собой при вычислении арктангенса
if ((deltaX > 0 && deltaY <= 0) || (deltaX >= 0 && deltaY > 0)) {//Второй квадрант [π/2;π) или третий квадрант [π;3π/2)
angle = Math.PI + angle;
}
else if (deltaX <= 0 && deltaY > 0) {//Четвёртый квадрант [3π/2;2π)
angle = 2 * Math.PI + angle;
}
//Перевод угла из радиан в градусы
angle *= 180 / Math.PI;
//Перенос начала координат в первую точку и
//поворот прямоугольника на вычисленный угол относительно этого нового начала координат
using (System.Drawing.Drawing2D.Matrix m = new System.Drawing.Drawing2D.Matrix(1, 0, 0, 1, pt.X, pt.Y)) {
m.RotateAt((float)angle, new PointF());
square.Transform(m);
}
return square.PathPoints;
}
}
public override RectangleF ReturnBounds()
{
GraphicsPath path = new GraphicsPath();
path.AddEllipse(Location.X, Location.Y, 5, 5);
path.Transform(this.TMatrix.TransformationMatrix);
return path.GetBounds();
}
/// <summary>
/// draw the line
/// </summary>
/// <param name="g">drawing object</param>
/// <param name="translate">translation between drawn sketch and geometry object</param>
public override void Draw(Graphics g, Matrix translate)
{
m_transform = translate;
GraphicsPath path = new GraphicsPath();
path.AddLine(m_line.StartPnt, m_line.EndPnt);
path.Transform(translate);
g.DrawPath(m_pen, path);
}
public override RectangleF ReturnBounds()
{
GraphicsPath path = new GraphicsPath();
path.AddBezier(pointOne, pointTwo, pointTree, pointFour);
path.Transform(this.TMatrix.TransformationMatrix);
return path.GetBounds();
}
public override RectangleF ReturnBounds()
{
GraphicsPath path = new GraphicsPath();
path.AddRectangle(new RectangleF(Location.X, Location.Y, ModelSize.Width, ModelSize.Width));
path.Transform(this.TMatrix.TransformationMatrix);
return path.GetBounds();
}
private void Form2_Paint(object sender, PaintEventArgs e)
{
//패스 그래디언트
Point[] pts = { new Point(100, 0), new Point(0, 100), new Point(200, 100) };
PathGradientBrush B = new PathGradientBrush(pts, WrapMode.Tile);
e.Graphics.FillRectangle(B, ClientRectangle);
//패스 그래디언트 끝
//패스변형
GraphicsPath Path = new GraphicsPath();
Path.AddString("한글", new FontFamily("궁서"), 0, 100, new Point(10, 30), new StringFormat());
//확장 후 외곽선 그리기
Path.Widen(new Pen(Color.Black, 3));
e.Graphics.DrawPath(Pens.Black, Path);
//확장 후 채우기
Path.Widen(new Pen(Color.Blue, 3));
e.Graphics.DrawPath(Pens.Black, Path);
//곡선 펴기
Path.Flatten(new Matrix(), 12f);
e.Graphics.DrawPath(Pens.Black, Path);
//회전
Matrix M = new Matrix();
M.Rotate(-10);
Path.Transform(M);
e.Graphics.FillPath(Brushes.Blue, Path);
//휘기
RectangleF R = Path.GetBounds();
PointF[] arPoint = new PointF[4];
arPoint[0] = new PointF(R.Left, R.Top + 30);
arPoint[1] = new PointF(R.Right, R.Top - 10);
arPoint[2] = new PointF(R.Left + 10, R.Bottom - 10);
arPoint[3] = new PointF(R.Right + 30, R.Bottom + 30);
Path.Warp(arPoint, R);
e.Graphics.FillPath(Brushes.Blue, Path);
//클리핑
//graphicspath path= new graphicspath();
//path.fillmode = fillmode.winding;
//path.addellipse(50, 10, 100, 80);
//path.addellipse(20, 45, 160, 120);
//e.graphics.fillpath(brushes.white, path);
//e.graphics.setclip(path);
//for (int y = 0; y < bottom; y+= 20)
//{
// string str = "눈사람의 모양의클리핑 영역에 글자를 쓴것입니다";
// e.graphics.drawstring(str, font, brushes.blue, 0, y);
//}
//클리핑 끝
}
public void Zoom(float oldzoom, float newzoom)
{
var newfact = (1 / oldzoom) * newzoom;
using (var mx = new Matrix(newfact, 0f, 0f, newfact, 0f, 0f))
{
_Geometry.Transform(mx);
}
}
protected override void UpdatePath()
{
InternalPath = new GraphicsPath();
InternalPath.AddPie(this.Left, this.Top, this.Width, this.Height, this.StartAngle, this.SweepAngle);
Matrix mtx = new Matrix();
mtx.RotateAt(this.Rotation, InternalRotationBasePoint);
InternalPath.Transform(mtx);
}
public override RectangleF ReturnBounds()
{
Point[] points = (Point[])pointsList.ToArray(typeof(Point));
GraphicsPath path = new GraphicsPath();
path.AddCurve(points,1);
path.Transform(this.TMatrix.TransformationMatrix);
return path.GetBounds();
}
protected override void UpdatePath()
{
InternalPath = new GraphicsPath();
InternalPath.AddArc(_left, _top, _width, _height, _startAngle, _sweepAngle);
Matrix mtx = new Matrix();
mtx.RotateAt(this.Rotation, InternalRotationBasePoint);
InternalPath.Transform(mtx);
}
private static void MoveGraphicsPath(GraphicsPath gp, int x, int y)
{
using (Matrix matrix = new Matrix())
{
gp.CloseFigure();
matrix.Translate(x, y);
gp.Transform(matrix);
}
}
protected override void UpdatePath()
{
if (this.Points == null || this.Points.Length == 0) return;
InternalPath = new GraphicsPath();
InternalPath.AddCurve(this.Points);
Matrix mtx = new Matrix();
mtx.RotateAt(this.Rotation, InternalRotationBasePoint);
InternalPath.Transform(mtx);
}
public bool HitTest(Point p)
{
GraphicsPath gp = new GraphicsPath();
Matrix mtx = new Matrix();
Pen pen = new Pen(el.BorderColor, el.BorderWidth + 4);
pen.StartCap = el.StartCap;
pen.EndCap = el.EndCap;
gp.AddLine(el.Point1, el.Point2);
gp.Transform(mtx);
//Rectangle retGp = Rectangle.Round(gp.GetBounds());
return gp.IsOutlineVisible (p, pen);
}
public override bool HitTest(System.Drawing.Point p)
{
GraphicsPath gp = new GraphicsPath();
Matrix mtx = new Matrix();
gp.AddEllipse(new Rectangle(el.Location.X,
el.Location.Y,
el.Size.Width,
el.Size.Height));
gp.Transform(mtx);
return gp.IsVisible(p);
}
public bool HitTest(Rectangle r)
{
GraphicsPath gp = new GraphicsPath();
Matrix mtx = new Matrix();
gp.AddRectangle(new Rectangle(el.Location.X,
el.Location.Y,
el.Size.Width,
el.Size.Height));
gp.Transform(mtx);
Rectangle retGp = Rectangle.Round(gp.GetBounds());
return r.Contains (retGp);
}
public void Draw(KalikoImage image) {
var graphics = image.Graphics;
var graphicsPath = new GraphicsPath();
var stringFormat = new StringFormat {
Alignment = Alignment,
LineAlignment = VerticalAlignment
};
graphics.SmoothingMode = SmoothingMode.AntiAlias;
graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
if (Font == null) {
Font = image.Font ?? new Font("Arial", 32, FontStyle.Bold, GraphicsUnit.Pixel);
}
if (TargetArea == Rectangle.Empty) {
TargetArea = new Rectangle(0, 0, image.Width, image.Height);
}
if (Point == Point.Empty) {
graphicsPath.AddString(Text, Font.FontFamily, (int)Font.Style, Font.Size, TargetArea, stringFormat);
}
else {
graphicsPath.AddString(Text, Font.FontFamily, (int)Font.Style, Font.Size, Point, stringFormat);
}
if (Rotation != 0) {
var rotationTransform = new Matrix(1, 0, 0, 1, 0, 0);
var bounds = graphicsPath.GetBounds();
rotationTransform.RotateAt(Rotation, new PointF(bounds.X + (bounds.Width / 2f), bounds.Y + (bounds.Height / 2f)));
graphicsPath.Transform(rotationTransform);
}
if (TextShadow != null) {
DrawShadow(graphics, graphicsPath);
}
if (Outline > 0) {
var pen = new Pen(OutlineColor, Outline) {
LineJoin = LineJoin.Round
};
graphics.DrawPath(pen, graphicsPath);
}
if (TextBrush == null) {
TextBrush = new SolidBrush(TextColor);
}
graphics.FillPath(TextBrush, graphicsPath);
}
/// <summary>
/// This routine draws the animated bomb
/// using two toggling graphics paths
/// giving the effect of a spinning bomb
/// </summary>
/// <param name="g"></param>
public override void Draw(Graphics g)
{
UpdateBounds();
Matrix m = new Matrix();
m.Translate(MovingBounds.Left, MovingBounds.Top);
// g.FillRectangle(Brushes.White , MovingBounds);
if (_invert)
{
bombInTransformed = (GraphicsPath)bombIn.Clone();
bombInTransformed.Transform(m);
g.DrawPath(BombPen, bombInTransformed);
bombInTransformed.Dispose();
}
else
{
bombOutTransformed = (GraphicsPath)bombOut.Clone();
bombOutTransformed.Transform(m);
g.DrawPath(BombPen, bombOutTransformed);
bombOutTransformed.Dispose();
}
/* Matrix flipMatrix = new Matrix();
flipMatrix.Scale(-1.0f, 1.0f);
m.Translate(MovingBounds.Left, MovingBounds.Top);
if (_invert)
{
m.Scale(-1, 1); // flip around the y axis
}
// g.FillRectangle(Brushes.White , MovingBounds);
bombInTransformed = (GraphicsPath)bombIn.Clone();
bombInTransformed.Transform(m);
g.DrawPath(BombPen, bombInTransformed);
bombInTransformed.Dispose();
*/
_invert = !_invert;
// g.DrawPolygon(Pens.White, new PointF[]{new PointF(Position.X, Position.Y),
// new PointF(Position.X + width, Position.Y + seg),
// new PointF(Position.X, Position.Y + seg*2),
// new PointF(Position.X + 3, Position.Y + seg*3)});
Position.Y += TheBombInterval;
}
public virtual bool HitTest(Point p)
{
GraphicsPath gp = new GraphicsPath();
Matrix mtx = new Matrix();
Point elLocation = el.Location;
Size elSize = el.Size;
gp.AddRectangle(new Rectangle(elLocation.X,
elLocation.Y,
elSize.Width,
elSize.Height));
gp.Transform(mtx);
return gp.IsVisible(p);
}
public override void DrawYourSelf(Graphics graphics)
{
GraphicsPath path = new GraphicsPath();
path.AddBezier(pointOne, pointTwo, pointTree, pointFour);
path.Transform(this.TMatrix.TransformationMatrix);
Pen pen = new Pen(this.BorderColor, this.BorderWidth);
graphics.DrawPath(pen, path);
if (this.Selected)
{
this.selectionUnit = new CoveringRectangle(Rectangle.Round(ReturnBounds()));
this.selectionUnit.DrawYourSelf(graphics);
}
}
public override RectangleF ReturnBounds()
{
GraphicsPath path = new GraphicsPath();
path.StartFigure();
path.AddLine(Location.X, Location.Y + ModelSize.Height / 3, Location.X + ModelSize.Width, Location.Y + ModelSize.Height / 3);
path.CloseFigure();
path.StartFigure();
path.AddLine(Location.X, Location.Y + (ModelSize.Height / 3) * 2, Location.X + ModelSize.Width, Location.Y + (ModelSize.Height * 2) / 3);
path.CloseFigure();
path.AddEllipse(new RectangleF(Location, ModelSize));
path.CloseFigure();
path.Transform(this.TMatrix.TransformationMatrix);
return path.GetBounds();
}
public override void DrawYourSelf(Graphics graphics)
{
GraphicsPath path = new GraphicsPath();
path.AddEllipse(Location.X, Location.Y, 5, 5);
path.Transform(this.TMatrix.TransformationMatrix);
Pen pen = new Pen(this.BorderColor, this.BorderWidth);
graphics.DrawPath(pen, path);
if (this.Selected)
{
this.selectionUnit = new CoveringRectangle(Rectangle.Round(ReturnBounds()));
this.selectionUnit.DrawYourSelf(graphics);
}
}
bool Dalssoft.DiagramNet.IController.HitTest(Rectangle r)
{
GraphicsPath gp = new GraphicsPath();
Matrix mtx = new Matrix();
Point elLocation = el.Location;
Size elSize = el.Size;
gp.AddRectangle(new Rectangle(elLocation.X,
elLocation.Y,
elSize.Width,
elSize.Height));
gp.Transform(mtx);
Rectangle retGp = Rectangle.Round(gp.GetBounds());
return r.Contains (retGp);
}
public static Bitmap CreateFillPolygon(Device d, GraphicsPath path, Brush brush)
{
RectangleF rectF = path.GetBounds();
System.Drawing.Drawing2D.Matrix m = new System.Drawing.Drawing2D.Matrix();
m.Translate(-rectF.X, -rectF.Y);
path.Transform(m);
AGT_TextureResource gdi = new AGT_TextureResource(rectF.Width, rectF.Height);
if (gdi != null)
{
Graphics g = gdi.GetGraphics();
if (g != null)
{
g.FillPath(brush, path);
return gdi.ToBitmap();
}
}
return null;
}
internal void Transform(Matrix matrix)
{
if (matrix.IsIdentity)
{
return; // bail out
}
byte[] oldData = (byte[])this.data.Clone(); // this.Clone().Data ;
int oldSize = 8 + GetInt32(oldData, 0);
int nrOps2 = GetInt32(oldData, 12);
int readPointer = StartRegionData();
int writePointer = readPointer;
float m11 = matrix.Elements[0];
float m12 = matrix.Elements[1];
float m21 = matrix.Elements[2];
float m22 = matrix.Elements[3];
float dX = matrix.Elements[4];
float dY = matrix.Elements[5];
while (readPointer < oldSize)
{
Token T = NextToken(oldData, ref readPointer, false);
Int32 tokenType = GetInt32(T.rawData, 0);
switch (tokenType)
{
case REG_RECT:
{
RectangleF rect = GetRectangle(T.rawData);
if ((m12 == 0.0f) && (m21 == 0.0f))
{
// in this case, rect transforms to another rectangle
rect.X = (m11 < 0) ? m11 * (rect.X + rect.Width)
: m11 * rect.X;
rect.X += dX;
/* there is actually a BUG in Microsoft's .NET
* 1.1 implementation:
* for (m22<0) they evaluate rect.Y to be
* m22*(rect.Y+rect.Height), which cannot be possible
* by simple geometric reasoning... */
rect.Y = (m22 < 0) ? m22 * (rect.Y - rect.Height)
: m22 * rect.Y;
rect.Y += dY;
rect.Width = (m11 < 0) ? -m11 * rect.Width
: m11 * rect.Width;
rect.Height = (m22 < 0) ? -m22 * rect.Height
: m22 * rect.Height;
writePointer = AddRegionRectangle(rect, writePointer);
}
else
{
// rectangular shape is not preserved -> use a graphics path
GraphicsPath path = new GraphicsPath();
path.AddRectangle(rect);
path.Transform(matrix);
writePointer = AddRegionPath(path, writePointer);
}
}
break;
case REG_PATH:
{
GraphicsPath path = GetPath(T.rawData);
path.Transform(matrix);
writePointer = AddRegionPath(path, writePointer);
}
break;
default:
{
// other tokens are not concerned
writePointer = AddRawData(T.rawData, writePointer);
}
break;
}
}
WriteHeader(writePointer - 8, nrOps2);
Resize(writePointer);
}
public void Form1_Paint(object sender, PaintEventArgs e)
{
////// // Create a graphics path and add an ellipse.
////// GraphicsPath myPath = new GraphicsPath();
////// Rectangle rect = new Rectangle(100, 20, 100, 50);
////// myPath.AddRectangle(rect);
////// // Get the path's array of points.
////// PointF[] myPathPointArray = myPath.PathPoints;
////// // Create a path gradient brush.
////// PathGradientBrush myPGBrush = new
////// PathGradientBrush(myPathPointArray);
////// // Set the color span.
////// myPGBrush.CenterColor = Color.Green;
////// Color[] mySurroundColor = { Color.Blue };
////// myPGBrush.SurroundColors = mySurroundColor;
////// // Draw the brush to the screen prior to transformation.
////// e.Graphics.FillRectangle(myPGBrush, 10, 10, 200, 200);
////// // Apply the rotate transform to the brush.
////// myPGBrush.RotateTransform(a, MatrixOrder.Append);
////// // Draw the brush to the screen again after applying the
////// // transform.
////// e.Graphics.FillRectangle(myPGBrush, 10, 10, 200, 300);
GraphicsPath path = new GraphicsPath(); int Wi = 0; int Hi = 0;
path.AddEllipse(160, 70, 150, 70);
// Use the path to construct a brush.
PathGradientBrush pthGrBrush = new PathGradientBrush(path);
// Set the color at the center of the path to blue.
pthGrBrush.CenterColor = Color.FromArgb(255, 0, 0, 255);
//pthGrBrush.FocusScales = new PointF(40, 40);
// Set the color along the entire boundary
// of the path to aqua.
Color[] colors = { Color.FromArgb(255, 0, 255, 255) };
pthGrBrush.SurroundColors = colors;
pthGrBrush.RotateTransform(a);
for (int t = 0; t < 100; t++)
{
PointF wq = new PointF(); wq.X = 40; wq.Y = 40; pthGrBrush.TranslateTransform(1, 1); e.Graphics.FillRectangle(pthGrBrush, 0, 0, 700, 700); Invalidate();
}
Bitmap bm = new Bitmap(img.Width, img.Height);
if (a <= 90)
{
Wi = (int)(bm.Width * Math.Cos(2 * Math.PI * a / 360) + bm.Height * Math.Sin(2 * Math.PI * a / 360));
Hi = (int)(bm.Height * Math.Cos(2 * Math.PI * a / 360) + bm.Width * Math.Sin(2 * Math.PI * a / 360));
}
else if (a > 90 && a <= 180)
{
Wi = (int)(bm.Width * -Math.Cos(2 * Math.PI * a / 360) + bm.Height * Math.Sin(2 * Math.PI * a / 360));
Hi = (int)(bm.Height * -Math.Cos(2 * Math.PI * a / 360) + bm.Width * Math.Sin(2 * Math.PI * a / 360));
}
else if (a > 180 && a <= 270)
{
Wi = (int)(bm.Width * -Math.Cos(2 * Math.PI * a / 360) + bm.Height * -Math.Sin(2 * Math.PI * a / 360));
Hi = (int)(bm.Height * -Math.Cos(2 * Math.PI * a / 360) + bm.Width * -Math.Sin(2 * Math.PI * a / 360));
}
else if (a > 270 && a <= 360)
{
Wi = (int)(bm.Width * Math.Cos(2 * Math.PI * a / 360) + bm.Height * -Math.Sin(2 * Math.PI * a / 360));
Hi = (int)(bm.Height * Math.Cos(2 * Math.PI * a / 360) + bm.Width * -Math.Sin(2 * Math.PI * a / 360));
}
Bitmap b = new Bitmap(Wi, Hi);
g.TranslateTransform(Wi / 2, Hi / 2);
g.RotateTransform(a);
g.TranslateTransform(-img.Width / 2, -img.Height / 2);
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.DrawImage(img, 0, 0);
e.Graphics.TranslateTransform(this.Width / 2, this.Height / 2);
e.Graphics.DrawImage(b, -b.Width / 2, -b.Height / 2);
Create the string to draw on the form.
string text = "Roma prodakshen";
// Create a GraphicsPath.
System.Drawing.Drawing2D.GraphicsPath path =
new System.Drawing.Drawing2D.GraphicsPath();
// Add the string to the path; declare the font, font style, size, and
// vertical format for the string.
path.AddString(text, this.Font.FontFamily, 1, 15,
new PointF(100.0F, 50.0F),
new StringFormat(StringFormatFlags.DirectionVertical));
// Declare a matrix that will be used to rotate the text.
System.Drawing.Drawing2D.Matrix rotateMatrix =
new System.Drawing.Drawing2D.Matrix();
// Set the rotation angle and starting point for the text.
rotateMatrix.RotateAt(a, new PointF(200.0F, 50.0F));
// Transform the text with the matrix.
path.Transform(rotateMatrix);
// Set the SmoothingMode to high quality for best readability.
e.Graphics.SmoothingMode =
System.Drawing.Drawing2D.SmoothingMode.HighQuality;
// Fill in the path to draw the string.
e.Graphics.FillPath(Brushes.GreenYellow, path);
// Dispose of the path.
path.Dispose();
}
public void Transform(IMatrix matrix)
{
Control.Transform(matrix.ToSD());
}