| public RotateAt ( float angle, PointF point ) : void | ||
| angle | float | |
| point | PointF | |
| Résultat | void | |
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>
/// Simple rotated text watermark
/// </summary>
private static void DrawRotatedTextWatermark()
{
using (var bitmap = new Bitmap("../../../../_Input/Venice.jpg"))
using (var gr = bitmap.GetAdvancedGraphics())
using (var textPath = new Path())
{
var watermarkColor = new RgbColor(255, 255, 255, 45);
var fontSize = UnitConverter.ConvertPixelsToUnits(bitmap.DpiY, bitmap.Height, Unit.Point) / 100.0f;
var plainText = new PlainText("Graphics Mill", gr.CreateFont("Arial", fontSize));
textPath.DrawText(plainText);
var rect = new RectangleF(0, 0, bitmap.Width, bitmap.Height);
var transform = new Matrix();
transform.RotateAt(-35, new PointF(rect.Left + rect.Width / 2, rect.Top + rect.Height / 2));
float offset = plainText.GetBlackBox().Width / 2;
using (var tiledTextPath = TilePathText(textPath, GetInvertedRect(rect, transform), offset))
{
tiledTextPath.ApplyTransform(transform);
gr.FillPath(new SolidBrush(watermarkColor), tiledTextPath);
}
bitmap.Save("../../../../_Output/VeniceRotatedWatermark.jpg");
}
}
public void Draw(Graphics aGfx, int lX, int lY,bool abBorder,bool abHighLight, int alRotation)
{
Matrix Mtx = new Matrix();
float fX = (float)lX;
float fY = (float)lY;
//Stupid bad fix.
if(alRotation==1)fY+=0.95f;
if(alRotation==3)fX+=0.95f;
PointF vRotPoint = new PointF((float)(lX+mTileImage.Width/2),(float)(lY+mTileImage.Height/2));
Mtx.RotateAt(alRotation*90,vRotPoint, MatrixOrder.Append);
aGfx.Transform = Mtx;
aGfx.DrawImage(mTileImage,fX,fY,mTileImage.Width,mTileImage.Height);
Mtx.Reset();
aGfx.Transform = Mtx;
if(abBorder)
{
Pen BorderPen;
if(abHighLight)BorderPen= new Pen(Color.FromArgb(100,255,100));
else BorderPen= new Pen(Color.FromArgb(255,0,255));
if(abHighLight)
aGfx.DrawRectangle(BorderPen,lX,lY,mTileImage.Width-1, mTileImage.Height-1);
else
aGfx.DrawRectangle(BorderPen,lX,lY,mTileImage.Width, mTileImage.Height);
BorderPen.Dispose();
}
}
public static Bitmap RotateImage(Image inputImg, double degreeAngle)
{
PointF[] pointF = new PointF[] { new PointF(0f, 0f), new PointF((float)inputImg.Width, 0f), new PointF(0f, (float)inputImg.Height), new PointF((float)inputImg.Width, (float)inputImg.Height) };
PointF[] rotationPoints = pointF;
PointMath.RotatePoints(rotationPoints, new PointF((float)inputImg.Width / 2f, (float)inputImg.Height / 2f), degreeAngle);
Rectangle bounds = PointMath.GetBounds(rotationPoints);
Bitmap rotatedBitmap = new Bitmap(bounds.Width, bounds.Height);
Graphics g = Graphics.FromImage(rotatedBitmap);
try
{
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
Matrix m = new Matrix();
m.RotateAt((float)degreeAngle, new PointF((float)inputImg.Width / 2f, (float)inputImg.Height / 2f));
m.Translate((float)(-bounds.Left), (float)(-bounds.Top), MatrixOrder.Append);
g.Transform = m;
g.DrawImage(inputImg, 0, 0);
}
finally
{
if (g != null)
{
((IDisposable)g).Dispose();
}
}
return rotatedBitmap;
}
public static Map InitializeMap(float angle)
{
string wmsUrl = "http://dev:8080/geoserver/ows?service=wms&version=1.1.1&request=GetCapabilities";
Map map = new Map();
WmsLayer layWms = new WmsLayer("Demis Map", wmsUrl);
layWms.AddLayer("sf:roads");
//layWms.AddLayer("Topography");
//layWms.AddLayer("Hillshading");
layWms.SetImageFormat(layWms.OutputFormats[0]);
layWms.ContinueOnError = true;
//Skip rendering the WMS Map if the server couldn't be requested (if set to false such an event would crash the app)
layWms.TimeOut = 5000; //Set timeout to 5 seconds
layWms.SRID = 4326;
map.Layers.Add(layWms);
//limit the zoom to 360 degrees width
map.MaximumZoom = 360;
map.BackColor = Color.LightBlue;
map.Zoom = 360;
map.Center = new Point(0, 0);
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
map.ZoomToExtents();
return map;
}
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;
}
}
}
/// <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;
}
}
/// <summary>
/// Get the desired Rounded Rectangle path.
/// </summary>
private GraphicsPath GetLine(RectangleF baseRect)
{
float x1 = (float)X1;
float y1 = (float)Y1;
float x2 = (float)X2;
float y2 = (float)Y2;
float w = (float)Math.Sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
float ang = (y2 - y1) / (x2 - x1);
ang = (float)Math.Atan(ang);
ang *= (float)(180.0f / Math.PI);
GraphicsPath mPath = new GraphicsPath();
System.Drawing.Rectangle r = new System.Drawing.Rectangle((int)x1, (int)y1, (int)w, (int)StrokeThickness);
mPath.AddRectangle(r);
mPath.CloseFigure();
using (Matrix matrix = new Matrix())
{
matrix.RotateAt(ang, new PointF(x1, y1), MatrixOrder.Append);
matrix.Translate(baseRect.X, baseRect.Y, MatrixOrder.Append);
RectangleF bounds = mPath.GetBounds(matrix);
matrix.Scale(baseRect.Width / bounds.Width, baseRect.Height / bounds.Height);
mPath.Transform(matrix);
}
mPath.Flatten();
return(mPath);
}
private static Map InitializeDXF(float angle)
{
Map map = new Map();
//Set the datasource to a shapefile in the App_data folder
Ogr provider;
try
{
provider = new Ogr("GeoData/SampleDXF.dxf",0);
}
catch (TypeInitializationException ex)
{
if (ex.Message == "The type initializer for 'OSGeo.OGR.Ogr' threw an exception.")
{
throw new Exception(
String.Format(
"The application threw a PINVOKE exception. You probably need to copy the unmanaged dll's to your bin directory. They are a part of fwtools {0}. You can download it from: http://home.gdal.org/fwtools/",
GdalRasterLayer.FWToolsVersion));
}
throw;
}
VectorLayer lay = new VectorLayer("SampleDXF", provider);
map.Layers.Add(lay);
map.ZoomToExtents();
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
_ogrSampleDataset = "SampleDXF";
return map;
}
public static Bitmap CropRotatedRect(Bitmap source, System.Drawing.Rectangle rect, float angle, bool HighQuality)
{
Bitmap result = new Bitmap(rect.Width, rect.Height);
using (Graphics g = Graphics.FromImage(result))
{
g.InterpolationMode = HighQuality ? InterpolationMode.HighQualityBicubic : InterpolationMode.Default;
using (System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix())
{
mat.Translate(-rect.Location.X, -rect.Location.Y);
System.Drawing.Point p = new System.Drawing.Point(rect.Location.X + rect.Width / 2, rect.Location.Y + rect.Height / 2);
mat.RotateAt(angle, p);
g.Transform = mat;
g.DrawImage(source, new System.Drawing.Point(0, 0));
}
}
return(result);
}
public static Image mRotateImage(Image inputImg, double degreeAngle)
{
//ъглите на image
PointF[] rotationPoints = { new PointF(0, 0),
new PointF(inputImg.Width, 0),
new PointF(0, inputImg.Height),
new PointF(inputImg.Width, inputImg.Height)};
//роатция на ъглите
PointMath.RotatePoints(rotationPoints, new PointF(inputImg.Width / 2.0f, inputImg.Height / 2.0f), degreeAngle);
//Получаваме новите стойности след ротацията на ъглите
Rectangle bounds = PointMath.GetBounds(rotationPoints);
//Празен bitmap за получения завъртян образ
Bitmap rotatedBitmap = new Bitmap(bounds.Width, bounds.Height);
using (Graphics g = Graphics.FromImage(rotatedBitmap))
{
//Transformation matrix
Matrix m = new Matrix();
m.RotateAt((float)degreeAngle, new PointF(inputImg.Width / 2.0f, inputImg.Height / 2.0f));
g.Transform = m;
g.DrawImage(inputImg, 0, 0);
}
return (Image)rotatedBitmap;
}
static public Matrix GetMatrix (int index)
{
// not defined (-1) or first (0)
if (index <= 0)
return null;
Matrix m = new Matrix ();
switch (index) {
case 1:
// empty
break;
case 2:
m.Rotate (15);
break;
case 3:
m.RotateAt (45, new PointF (100, 100));
break;
case 4:
m.Scale (1.5f, 0.5f);
break;
case 5:
m.Shear (2.0f, 2.0f);
break;
case 6:
m.Translate (50, 50);
break;
}
return m;
}
public virtual void Rotate(float angle, PointF center)
{
Matrix tempMatrix = new Matrix();
tempMatrix.RotateAt(angle, center);
tempMatrix.Multiply(TransformationMatrix);
TransformationMatrix = tempMatrix;
}
public static byte[] Generate()
{
string captchaString = random.Next(1000, 9999).ToString();
HttpContext.Current.Session["captcha"] = captchaString;
Bitmap image = new Bitmap(width, height);
Graphics graphics = Graphics.FromImage(image);
graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
Matrix matrix = new Matrix();
for (int i = 0; i < captchaLength; i++)
{
matrix.Reset();
int x = (width / captchaLength) * i;
int y = height / 2;
matrix.RotateAt(random.Next(-40, 40), new PointF(x, y));
graphics.Transform = matrix;
graphics.DrawString(captchaString[i].ToString(),
new Font(FontFamily.GenericSerif, random.Next(25, 40)),
new SolidBrush(Color.FromArgb(random.Next(100), random.Next(100), random.Next(100))),
x, random.Next(5, 10));
}
MemoryStream ms = new MemoryStream();
image.Save(ms, ImageFormat.Png);
return ms.GetBuffer();
}
private Pipeline GetAlphaChannel(float dpi, IEnumerable <IDisposable> deps)
{
var image = Content as ImageVObject;
if (image == null)
{
return(null);
}
var rect = image.GetDrawingRectangle(dpi);
var clippingPath = GetClippingPath(dpi);
using (var matrix = new Matrix())
{
rect.Angle = 0;
matrix.RotateAt(-(float)image.Angle, rect.Center.ToPointF(), MatrixOrder.Append);
matrix.Translate(-rect.Location.X, -rect.Location.Y, MatrixOrder.Append);
clippingPath.ApplyTransform(matrix);
}
((IList)deps).Add(clippingPath);
var imageGenerator = new ImageGenerator((int)rect.Width, (int)rect.Height, PixelFormat.Format8bppGrayscale, RgbColor.Black);
var drawer = new Drawer();
drawer.Draw += (sender, e) =>
{
e.Graphics.FillPath(new SolidBrush(RgbColor.White), clippingPath);
};
return(new Pipeline(imageGenerator + drawer));
}
//</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();
}
/// <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);
}
}
protected override void ApplyTextWatermark(ImageProcessingActionExecuteArgs args, Graphics g)
{
// Draw a filled rectangle
int rectangleWidth = 14;
using (Brush brush = new SolidBrush(Color.FromArgb(220, Color.Red)))
{
g.FillRectangle(brush, new Rectangle(args.Image.Size.Width - rectangleWidth, 0, rectangleWidth, args.Image.Size.Height));
}
using (System.Drawing.Drawing2D.Matrix transform = g.Transform)
{
using (StringFormat stringFormat = new StringFormat())
{
// Vertical text (bottom -> top)
stringFormat.FormatFlags = StringFormatFlags.DirectionVertical;
transform.RotateAt(180F, new PointF(args.Image.Size.Width / 2, args.Image.Size.Height / 2));
g.Transform = transform;
// Align: top left, +2px displacement
// (because of the matrix transformation we have to use inverted values)
base.ContentAlignment = ContentAlignment.MiddleLeft;
base.ContentDisplacement = new Point(-2, -2);
base.ForeColor = Color.White;
base.Font.Size = 10;
// Draw the string by invoking the base Apply method
base.StringFormat = stringFormat;
base.ApplyTextWatermark(args, g);
base.StringFormat = null;
}
}
}
public override void Draw(CGRect rect)
{
Graphics g = Graphics.FromCurrentContext ();
int offset = 20;
// Scale:
var m = new Matrix(1, 2, 3, 4, 0, 1);
g.DrawString ("Original Matrix:", Font, Brushes.Black, 10, 10);
DrawMatrix (m, g, 10, 10 + offset);
g.DrawString ("Scale - Prepend:", Font, Brushes.Black, 10, 10 + 2 * offset);
m.Scale (1, 0.5f, MatrixOrder.Prepend);
DrawMatrix (m, g, 10, 10 + 3 * offset);
g.DrawString ("Scale - Append:", Font, Brushes.Black, 10, 10 + 4 * offset);
m = new Matrix (1, 2, 3, 4, 0, 1);
m.Scale (1, 0.5f, MatrixOrder.Append);
DrawMatrix (m, g, 10, 10 + 5 * offset);
// Translation:
m = new Matrix (1, 2, 3, 4, 0, 1);
g.DrawString ("Translation - Prepend:", Font, Brushes.Black, 10, 10 + 6 * offset);
m.Translate (1, 0.5f, MatrixOrder.Prepend);
DrawMatrix (m, g, 10, 10 + 7 * offset);
g.DrawString ("Translation - Append:", Font, Brushes.Black, 10, 10 + 8 * offset);
// Reset m to the original matrix:
m = new Matrix(1, 2, 3, 4, 0, 1);
m.Translate (1, 0.5f, MatrixOrder.Append);
DrawMatrix (m, g, 10, 10 + 9 * offset);
m = new Matrix (1, 2, 3, 4, 0, 1);
g.DrawString ("Rotation - Prepend:", Font, Brushes.Black, 10, 10 + 10 * offset);
m.Rotate (45, MatrixOrder.Prepend);
DrawMatrix (m, g, 10, 10 + 11 * offset);
g.DrawString ("Rotation - Append:", Font, Brushes.Black, 10, 10 + 12 * offset);
// Reset m to the original matrix:
m = new Matrix (1, 2, 3, 4, 0, 1);
m.Rotate (45, MatrixOrder.Append);
DrawMatrix (m, g, 10, 10 + 13 * offset);
// Rotation at (x = 1, y = 2):
m = new Matrix (1, 2, 3, 4, 0, 1);
g.DrawString ("Rotation At - Prepend:", Font, Brushes.Black, 10, 10 + 14 * offset);
m.RotateAt (45, new Point (1, 2), MatrixOrder.Prepend);
DrawMatrix (m, g, 10, 10 + 15 * offset);
g.DrawString ("Rotation At - Append:", Font, Brushes.Black, 10, 10 + 16 * offset);
m = new Matrix (1, 2, 3, 4, 0, 1);
m.RotateAt (45, new Point (1, 2), MatrixOrder.Append);
DrawMatrix(m, g, 10, 10 + 17 * offset);
// Shear:
m = new Matrix (1, 2, 3, 4, 0, 1);
g.DrawString ("Shear - Prepend:", Font, Brushes.Black, 10, 10 + 18 * offset);
m.Shear (1, 2, MatrixOrder.Prepend);
DrawMatrix (m, g, 10, 10 + 19 * offset);
g.DrawString ("Shear - Append:", Font, Brushes.Black, 10, 10 + 20 * offset);
// Reset m to the original matrix:
m = new Matrix (1, 2, 3, 4, 0, 1);
m.Shear (1, 2, MatrixOrder.Append);
DrawMatrix (m, g, 10, 10 + 21 * offset);
}
/// <summary>
/// Rotate figure.
/// </summary>
public void Rotate(float angle)
{
Clear();
Matrix matrix = new Matrix();
matrix.RotateAt(angle, Center);
graphics.Transform = matrix;
Draw();
}
public void DrawImage()
{
//Creates an output Bitmap
Bitmap oOutputBitmap = new Bitmap(iWidth, iHeight, PixelFormat.Format24bppRgb);
Graphics oGraphics = Graphics.FromImage(oOutputBitmap);
oGraphics.TextRenderingHint = TextRenderingHint.AntiAlias;
//Create a Drawing area
RectangleF oRectangleF = new RectangleF(0, 0, iWidth, iHeight);
Brush oBrush = default(Brush);
//Draw background (Lighter colors RGB 100 to 255)
oBrush = new HatchBrush(aHatchStyles[oRandom.Next
(aHatchStyles.Length - 1)], Color.FromArgb((oRandom.Next(100, 255)),
(oRandom.Next(100, 255)), (oRandom.Next(100, 255))), Color.White);
oGraphics.FillRectangle(oBrush, oRectangleF);
System.Drawing.Drawing2D.Matrix oMatrix = new System.Drawing.Drawing2D.Matrix();
int i = 0;
for (i = 0; i <= sCaptchaText.Length - 1; i++)
{
oMatrix.Reset();
int iChars = sCaptchaText.Length;
int x = iWidth / (iChars + 1) * i;
int y = iHeight / 2;
//Rotate text Random
oMatrix.RotateAt(oRandom.Next(-20, 20), new PointF(x, y));
oGraphics.Transform = oMatrix;
//Draw the letters with Random Font Type, Size and Color
oGraphics.DrawString
(
//Text
sCaptchaText.Substring(i, 1),
//Random Font Name and Style
new Font(aFontNames[oRandom.Next(aFontNames.Length - 1)],
aFontEmSizes[oRandom.Next(aFontEmSizes.Length - 1)],
aFontStyles[oRandom.Next(aFontStyles.Length - 1)]),
//Random Color (Darker colors RGB 0 to 100)
new SolidBrush(Color.FromArgb(oRandom.Next(0, 100),
oRandom.Next(0, 100), oRandom.Next(0, 100))),
x,
oRandom.Next(0, 15)
);
oGraphics.ResetTransform();
}
MemoryStream oMemoryStream = new MemoryStream();
oOutputBitmap.Save(oMemoryStream, System.Drawing.Imaging.ImageFormat.Png);
byte[] oBytes = oMemoryStream.GetBuffer();
captchaImage = "data:image/png;base64," + Convert.ToBase64String(oBytes, 0, oBytes.Length);
oOutputBitmap.Dispose();
oMemoryStream.Close();
}
/// <summary>
/// Draws the background of the collapsed band
/// </summary>
/// <param name="g">The canvas to draw on</param>
/// <param name="bounds">The bounds of the drawing</param>
/// <param name="text">The text that should appear into the bar</param>
/// <param name="font">The font to use when drawing the text</param>
/// <param name="state">The inputstate of the collapsed band</param>
public override void DrawNaviBandCollapsedBg(Graphics g, Rectangle bounds, string text, Font font,
bool rightToLeft, InputState state)
{
using (SolidBrush b = new SolidBrush(ColourTable.BandCollapsedBgColor1))
{
if (state == InputState.Hovered)
{
b.Color = ColourTable.BandCollapsedHoveredColor1;
}
else if (state == InputState.Clicked)
{
b.Color = ColourTable.BandCollapsedClickedColor1;
}
g.FillRectangle(b, bounds);
}
// inner border
using (Pen p = new Pen(ColourTable.Border))
{
g.DrawLine(p, new Point(bounds.Left, bounds.Top), new Point(bounds.Right,
bounds.Top));
p.Color = ColourTable.BorderInner;
if (state == InputState.Normal)
{
g.DrawLine(p, new Point(bounds.Left, bounds.Top + 1), new Point(bounds.Right,
bounds.Top + 1));
g.DrawLine(p, new Point(bounds.Left, bounds.Top + 1), new Point(bounds.Left,
bounds.Bottom));
}
}
using (Brush brush = new SolidBrush(ColourTable.Text))
{
if (rightToLeft)
{
Point ptCenter = new Point(bounds.X + bounds.Width / 2 + 7, bounds.Y +
bounds.Height / 2);
System.Drawing.Drawing2D.Matrix transform = g.Transform;
transform.RotateAt(90, ptCenter);
g.Transform = transform;
using (StringFormat format = new StringFormat())
{
format.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
g.DrawString(text, font, brush, ptCenter, format);
}
}
else
{
Point ptCenter = new Point(bounds.X + bounds.Width / 2 - 7, bounds.Y +
bounds.Height / 2);
System.Drawing.Drawing2D.Matrix transform = g.Transform;
transform.RotateAt(270, ptCenter);
g.Transform = transform;
g.DrawString(text, font, brush, ptCenter);
}
}
}
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 void Rotate(float degrees)
{
Matrix translateMatrix = new Matrix();
RectangleF rectF = mPath.GetBounds();
translateMatrix.RotateAt(degrees, new PointF(rectF.Width / 2, rectF.Height /2));
mPath.Transform(translateMatrix);
translateMatrix.Dispose();
}
/// <summary>
/// Draws the picture to the graphics.
/// </summary>
/// <param name="g">The g.</param>
public void Draw(Graphics g)
{
Point drawLocation = new Point((int)(location.X - offset.X), (int)(location.Y - offset.Y));
Matrix m = new Matrix();
m.RotateAt(-angle, location);
g.Transform = m;
g.DrawImage(bitmap, new Rectangle(drawLocation.X, drawLocation.Y, bitmap.Width / this.frameCountW, bitmap.Height / this.frameCountH),
new Rectangle(this.frameW * bitmap.Width / this.frameCountW, this.frameH * bitmap.Height / this.frameCountH, bitmap.Width / this.frameCountW, bitmap.Height / this.frameCountH), GraphicsUnit.Pixel);
}
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);
}
// Return a bitmap rotated around its center.
public static Bitmap RotateBitmap(Bitmap bm, float angle)
{
// Make a Matrix to represent rotation
// by this angle.
System.Drawing.Drawing2D.Matrix rotate_at_origin = new System.Drawing.Drawing2D.Matrix();
rotate_at_origin.Rotate(angle);
// Rotate the image's corners to see how big
// it will be after rotation.
PointF[] points =
{
new PointF(0, 0),
new PointF(bm.Width, 0),
new PointF(bm.Width, bm.Height),
new PointF(0, bm.Height),
};
rotate_at_origin.TransformPoints(points);
float xmin, xmax, ymin, ymax;
GetPointBounds(points, out xmin, out xmax,
out ymin, out ymax);
// Make a bitmap to hold the rotated result.
int wid = (int)Math.Round(xmax - xmin);
int hgt = (int)Math.Round(ymax - ymin);
Bitmap result = new Bitmap(wid, hgt);
// Create the real rotation transformation.
Matrix rotate_at_center = new Matrix();
rotate_at_center.RotateAt(angle,
new PointF(wid / 2f, hgt / 2f));
// Draw the image onto the new bitmap rotated.
using (Graphics gr = Graphics.FromImage(result))
{
// Use smooth image interpolation.
gr.InterpolationMode = InterpolationMode.High;
// Clear with the color in the image's upper left corner.
gr.Clear(bm.GetPixel(0, 0));
//// For debugging. (It's easier to see the background.)
//gr.Clear(Color.LightBlue);
// Set up the transformation to rotate.
gr.Transform = rotate_at_center;
// Draw the image centered on the bitmap.
int x = (wid - bm.Width) / 2;
int y = (hgt - bm.Height) / 2;
gr.DrawImage(bm, x, y);
}
// Return the result bitmap.
return(result);
}
public static Map InitializeMapOrig(float angle)
{
//Initialize a new map of size 'imagesize'
Map map = new Map();
//Set up the countries layer
VectorLayer layRoads = new VectorLayer("Roads");
//Set the datasource to a shapefile in the App_data folder
layRoads.DataSource = new ShapeFile("GeoData/World/shp_textonpath/DeMo_Quan5.shp", false);
(layRoads.DataSource as ShapeFile).Encoding = Encoding.UTF8;
//Set fill-style to green
layRoads.Style.Fill = new SolidBrush(Color.Yellow);
layRoads.Style.Line = new Pen(Color.Yellow, 4);
//Set the polygons to have a black outline
layRoads.Style.Outline = new Pen(Color.Black, 5); ;
layRoads.Style.EnableOutline = true;
layRoads.SRID = 4326;
//Set up a country label layer
LabelLayer layLabel = new LabelLayer("Roads labels");
layLabel.DataSource = layRoads.DataSource;
layLabel.Enabled = true;
layLabel.LabelColumn = "tenduong";
layLabel.LabelFilter = SharpMap.Rendering.LabelCollisionDetection.ThoroughCollisionDetection;
layLabel.Style = new LabelStyle();
layLabel.Style.ForeColor = Color.White;
layLabel.Style.Font = new Font(FontFamily.GenericSerif, 9f, FontStyle.Bold);
layLabel.Style.Halo = new Pen(Color.Black, 2f);
layLabel.Style.IsTextOnPath = true;
layLabel.Style.CollisionDetection = true;
//layLabel.Style.BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0));
//layLabel.MaxVisible = 90;
//layLabel.MinVisible = 30;
layLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
layLabel.SRID = 4326;
//layLabel.MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest;
//Add the layers to the map object.
//The order we add them in are the order they are drawn, so we add the rivers last to put them on top
map.Layers.Add(layRoads);
map.Layers.Add(layLabel);
//limit the zoom to 360 degrees width
//map.MaximumZoom = 360;
// map.BackColor = Color.LightBlue;
map.ZoomToExtents();
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
return map;
}
public override void Draw(Graphics g, convertToDestinationDelegate convertToDestination, double pixelScale)
{
Point startPoint = convertToDestination(StartPoint);
Point endPoint = convertToDestination(EndPoint);
double lenght = (int)Math.Sqrt(Math.Pow(endPoint.X - startPoint.X, 2) + Math.Pow(endPoint.Y - startPoint.Y, 2));
string text = string.Format("{0} mm", Math.Round(lenght / pixelScale, 0));
int width = 2;
Pen pen = new Pen(this.Color, width);
pen.Alignment = PenAlignment.Inset;
pen.StartCap = LineCap.DiamondAnchor;
pen.EndCap = LineCap.DiamondAnchor;
g.DrawLine(pen, startPoint, endPoint);
path = new GraphicsPath();
path.StartFigure();
path.AddLine(startPoint.X, startPoint.Y - width, startPoint.X + (int)lenght, startPoint.Y - width);
path.AddLine(startPoint.X + (int)lenght, startPoint.Y - width, startPoint.X + (int)lenght, startPoint.Y + width);
path.AddLine(startPoint.X + (int)lenght, startPoint.Y + width, startPoint.X, startPoint.Y + width);
float cos = (float)(endPoint.X - startPoint.X) / (float)lenght;
float arc = (float)(Math.Acos(cos) * (float)180 / Math.PI);
if (endPoint.Y - startPoint.Y < 0)
{
arc = 360 - arc;
}
System.Drawing.Drawing2D.Matrix matrix = new System.Drawing.Drawing2D.Matrix();
matrix.RotateAt(arc, startPoint);
path.Transform(matrix);
path.CloseFigure();
GraphicsPath pathString = new GraphicsPath();
pathString.StartFigure();
pathString.AddString(text,
new FontFamily("Arial"), (int)FontStyle.Regular
,
16,
new PointF(startPoint.X + (int)lenght / 2 - 20, startPoint.Y - 30),
StringFormat.GenericDefault);
pathString.Transform(matrix);
pathString.CloseFigure();
g.FillPath(new SolidBrush(this.Color), pathString);
}
public static void DrawRectangleRotated(Graphics g, Rectangle r, float angle, Pen pen)
{
using (Matrix m = new Matrix())
{
m.RotateAt(angle, new PointF(r.Left + (r.Width / 2), r.Top + (r.Height / 2)));
g.Transform = m;
g.DrawRectangle(pen, r);
g.ResetTransform();
}
}
private void DrawArrow(Graphics g, Point source, Point target)
{
Matrix rotateMatrix = new Matrix();
rotateMatrix.RotateAt((float)GetDegree(target, source), target);
g.Transform = rotateMatrix;
g.FillPolygon(EdgeBrush, new Point[] { target,
new Point(target.X + ArrowSize, target.Y + ArrowSize / 2),
new Point(target.X + ArrowSize, target.Y - ArrowSize / 2) });
g.Transform = new Matrix();
}
//***************************************************************************
// Static Methods
//
public static TriangleF Rotate(TriangleF tri, float degrees, PointF center)
{
PointF[] p = new PointF[] { new PointF(tri.PointA.X, tri.PointA.Y), new PointF(tri.PointB.X, tri.PointB.Y), new PointF(tri.PointC.X, tri.PointC.Y) };
using (System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix())
{
mat.RotateAt(degrees, center);
mat.TransformPoints(p);
}
return(new TriangleF(p[0], p[1], p[2]));
}
public Bitmap RotateBitmap(Bitmap bm, float angle)
{
// Make a Matrix to represent rotation
// by this angle.
Matrix rotate_at_origin = new Matrix();
rotate_at_origin.Rotate(angle);
// Rotate the image's corners to see how big
// it will be after rotation.
PointF[] points =
{
new PointF(0, 0),
new PointF(bm.Width, 0),
new PointF(bm.Width, bm.Height),
new PointF(0, bm.Height),
};
rotate_at_origin.TransformPoints(points);
float xmin, xmax, ymin, ymax;
GetPointBounds(points, out xmin, out xmax,
out ymin, out ymax);
// Make a bitmap to hold the rotated result.
int wid = (int)Math.Round(xmax - xmin);
int hgt = (int)Math.Round(ymax - ymin);
Bitmap result = new Bitmap(wid, hgt);
// Create the real rotation transformation.
Matrix rotate_at_center = new Matrix();
rotate_at_center.RotateAt(angle,
new PointF(0, 0));
// Draw the image onto the new bitmap rotated.
using (Graphics gr = Graphics.FromImage(result))
{
// Use smooth image interpolation.
gr.InterpolationMode = InterpolationMode.HighQualityBilinear;
// Clear with the color in the image's upper left corner.
gr.Clear(bm.GetPixel(0, 0));
gr.Clear(Color.White);
// Set up the transformation to rotate.
gr.Transform = rotate_at_center;
// Draw the image centered on the bitmap.
int x = 0;
int y = 0;
gr.DrawImage(bm, x, y);
}
// Return the result bitmap.
return result;
}
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 PointF PointToScreenSpace(PointF pntIn)
{
System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix();
PointF[] tempPoints = new PointF[1];
tempPoints[0] = new PointF(pntIn.X, pntIn.Y);
mat.RotateAt(selectionSet[0].RotationAngle, new PointF((float)(selectionSet[0].X), (float)(selectionSet[0].Y)));
mat.TransformPoints(tempPoints);
return(tempPoints[0]);
}
public void Draw(Graphics gr)
{
gr.Clear(Color.White);
Matrix matrix = new Matrix();
for (int i = 0; i < FigureCount; i++)
{
gr.DrawImage(image, 0, 0);
matrix.RotateAt(RotateAngle, new PointF(startPoint.X + image.Width/2, startPoint.Y));
gr.Transform = matrix;
}
}
public static void RotateRect(Graphics g, Rectangle r, float angle, Color color)
{
using (Matrix m = new Matrix())
{
m.RotateAt(angle, new PointF(r.Left + (r.Width / 2), r.Top + (r.Height / 2)));
g.Transform = m;
SolidBrush br = new SolidBrush(color);
g.FillRectangle(br, r);
g.ResetTransform();
}
}
public virtual void Draw(Graphics g, Tank t)
{
// TODO: Fill here
Rectangle rect = new Rectangle((int)pos.X - width / 2, (int)pos.Y - height / 2, width, height);
Matrix m = new Matrix();
m.RotateAt((float)orientation, pos);
g.FillRectangle(new SolidBrush(color), rect);
g.ResetTransform();
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
using (Graphics g = e.Graphics)
{
try
{
// рисуем изображение без трасформаций
g.DrawImage(new Bitmap(@"Boxs.bmp"), 0, 0, 100, 100);
}
catch { }
// Создаем матрицу
Matrix X = new Matrix();
// Установка трансформаций
X.RotateAt(45,new Point(150,150));
X.Translate(100, 100);
g.Transform = X;
try
{
// рисуем изображение
g.DrawImage(new Bitmap(@"Rings.bmp"), 0, 0, 100, 100);
}
catch { }
// Сброс трансформаций
X.Reset();
// Установка трансформаций
X.RotateAt(25, new Point(50, 150));
X.Translate(150, 10);
X.Shear(0.5f, 0.3f);
g.Transform = X;
try
{
// рисуем изображение
g.DrawImage(new Bitmap(@"Cells.bmp"), 0, 0, 100, 100);
}
catch { }
}
}
public void ChangeDirection(Point pt, Size sz)
{
float angle = 90;
Matrix matrix = new Matrix();
matrix.RotateAt(angle, pt);
int n = pointList.Count;
Point[] points = new Point[n];
pointList.CopyTo(points);
matrix.TransformPoints(points);
for (int i = 0; i < n; i++)
{
Rectangle rc = new Rectangle(0, 0, sz.Width, sz.Height);
if (!rc.Contains(points[i]))
{
if (points[n - 2].X == points[n - 1].X)
{
int height = Math.Abs(points[1].Y - points[0].Y);
if (points[i].Y < 0)
{
points[0].Y = 1;
points[1].Y = points[0].Y + height;
}
else if (points[i].Y > sz.Height)
{
points[0].Y = sz.Height - 2;
points[1].Y = points[0].Y - height;
}
}
else if (points[n - 2].Y == points[n - 1].Y)
{
int width = Math.Abs(points[1].X - points[0].X);
if (points[i].X < 0)
{
points[0].X = 1;
points[1].X = points[0].X + width;
}
else if (points[i].X > sz.Width)
{
points[0].X = sz.Width - 2;
points[1].X = points[0].X - width;
}
}
pointList.Clear();
pointList.AddRange(points);
return;
}
}
pointList.Clear();
pointList.AddRange(points);
}
public static PointF[] RectToPolygon(RectangleF r, double orientation)
{
PointF center = new PointF(r.X + r.Width / 2.0F, r.Y + r.Height / 2.0F);
PointF TL = new PointF(r.Left, r.Top);
PointF TR = new PointF(r.Right, r.Top);
PointF BL = new PointF(r.Left, r.Bottom);
PointF BR = new PointF(r.Right, r.Bottom);
PointF[] points = new PointF[] { BL, TL, TR, BR, BL };
System.Drawing.Drawing2D.Matrix m = new System.Drawing.Drawing2D.Matrix();
m.RotateAt((float)orientation, center);
m.TransformPoints(points);
return(points);
}
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>
/// 绘制根据点旋转文本，一般旋转点给定位文本包围盒中心点
/// </summary>
/// <param name="s">文本</param>
/// <param name="font">字体</param>
/// <param name="brush">填充</param>
/// <param name="point">旋转点</param>
/// <param name="format">布局方式</param>
/// <param name="angle">角度</param>
public void DrawString(string s, Font font, Brush brush, PointF point, StringFormat format, float angle)
{
// Save the matrix
System.Drawing.Drawing2D.Matrix mtxSave = _graphics.Transform;
System.Drawing.Drawing2D.Matrix mtxRotate = _graphics.Transform;
mtxRotate.RotateAt(angle, point);
_graphics.Transform = mtxRotate;
_graphics.DrawString(s, font, brush, point, format);
// Reset the matrix
_graphics.Transform = mtxSave;
}
/// <summary>
/// Draw this shape onto a bitmap.
/// </summary>
/// <param name="graphics">Graphics object to draw with.</param>
/// <param name="cache">Gdi cache.</param>
public void DrawShape(Graphics graphics, GdiCache cache)
{
if (!IsValid)
{
return;
}
PointF point = cache.Projection.MapToBitmap(Location);
PointF anchor = point;
Font font = cache.ParseFont(Font, out string _);
if (font == null)
{
font = SystemFonts.CaptionFont;
}
Brush fill = new SolidBrush(Colour);
SizeF size = graphics.MeasureString(Text, font);
point.X -= 0.5f * size.Width;
point.Y -= 0.5f * size.Height;
if (!HorizontalAlignment.Equals(0.0))
{
float dx = (float)HorizontalAlignment * 0.5f * size.Width;
point.X += dx;
}
if (!VerticalAlignment.Equals(0.0))
{
float dy = (float)VerticalAlignment * 0.5f * size.Height;
point.Y += dy;
}
if (Rotation.Equals(0.0))
{
graphics.DrawString(Text, font, fill, point);
}
else
{
System.Drawing.Drawing2D.Matrix matrix = graphics.Transform;
System.Drawing.Drawing2D.Matrix rot = matrix.Clone();
rot.RotateAt((float)Rotation, anchor);
graphics.Transform = rot;
graphics.DrawString(Text, font, fill, point);
graphics.Transform = matrix;
}
fill.Dispose();
}
internal static Map InitializeMap(float angle, string[] filenames)
{
var providers = new SharpMap.Data.Providers.Ogr[filenames.Length];
for (int i = 0; i < filenames.Length; i++)
{
providers[i] = new Ogr(filenames[i]);
}
var map = LayerTools.GetMapForProviders(providers);
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
map.ZoomToExtents();
return map;
}
public static Bitmap CropRotatedRect(Bitmap source, Rectangle rect, float angle)
{
Bitmap result = new Bitmap(rect.Width, rect.Height);
using (Graphics g = Graphics.FromImage(result))
{
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
using (Matrix mat = new Matrix())
{
mat.Translate(-rect.Location.X, -rect.Location.Y);
mat.RotateAt(angle, rect.Location);
g.Transform = mat;
g.DrawImage(source, new System.Drawing.Point(0, 0));
}
}
return result;
}
public override void Draw(Graphics g, convertToDestinationDelegate convertToDestination, double PixelScale)
{
Point startPoint = convertToDestination(StartPoint);
Point endPoint = convertToDestination(EndPoint);
int lenght = (int)Math.Sqrt(Math.Pow(endPoint.X - startPoint.X, 2) + Math.Pow(endPoint.Y - startPoint.Y, 2));
Width = 5;
if (lenght > 50 && lenght < 150)
{
Width = lenght / 10;
}
else if (lenght > 100)
{
Width = 15;
}
Pen pen = new Pen(this.Color, Width);
pen.EndCap = LineCap.ArrowAnchor;
g.DrawLine(pen, startPoint, endPoint);
path = new GraphicsPath();
path.StartFigure();
path.AddLine(startPoint.X, startPoint.Y - Width, startPoint.X + lenght, startPoint.Y - Width);
path.AddLine(startPoint.X + lenght, startPoint.Y - Width, startPoint.X + lenght, startPoint.Y + Width);
path.AddLine(startPoint.X + lenght, startPoint.Y + Width, startPoint.X, startPoint.Y + Width);
float cos = (float)(endPoint.X - startPoint.X) / (float)lenght;
float arc = (float)(Math.Acos(cos) * (float)180 / Math.PI);
if (endPoint.Y - startPoint.Y < 0)
{
arc = 360 - arc;
}
System.Drawing.Drawing2D.Matrix matrix = new System.Drawing.Drawing2D.Matrix();
matrix.RotateAt(arc, startPoint);
path.Transform(matrix);
path.CloseFigure();
}
private void CT_UI_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
if (!started)
{
g.DrawImage(img, new Point(x, y));
}
else
{
System.Drawing.Drawing2D.Matrix m = g.Transform;
//here we do not need to translate, we rotate at the specified point
float x = (float)(23 / 2) + (float)carpanel.Location.X;
float y = (float)(12 / 2) + (float)carpanel.Location.Y;
m.RotateAt(carpanel.Angle, new PointF(x, y), System.Drawing.Drawing2D.MatrixOrder.Append);
g.Transform = m;
g.DrawImage(CT_Helper.resizeImage(Properties.Resources.Taxi_GTA2, new Size(23, 12)), new Point(carpanel.Location.X - 11, carpanel.Location.Y - 6));
}
}
private void drawCenteredArc(Graphics g, float offX, float offY, float size, float height, float penWidth, Color color, float rotation, float tension)
{
PointF ptStart = new PointF(screen.Width / 2 + offX - size / 2, screen.Height / 2 + offY);
PointF ptEnd = new PointF(screen.Width / 2 + offX + size / 2, screen.Height / 2 + offY);
PointF ptMiddle = new PointF(screen.Width / 2 + offX, screen.Height / 2 + offY + height / 2);
Matrix m = new Matrix();
m.RotateAt(rotation, ptMiddle);
g.MultiplyTransform(m);
Pen pen = new Pen(color, penWidth);
pen.StartCap = LineCap.Round;
pen.EndCap = LineCap.Round;
g.DrawCurve(pen, new PointF[] { ptStart, ptMiddle, ptEnd }, tension);
g.ResetTransform();
pen.Dispose();
}
// Function to Fire the Arrow
private void FireArrow()
{
// If the Player is currently Aiming
if (meTargetPracticeState == ETargetPracticeGameStates.Aiming)
{
// Switch to Shooting the Arrow
meTargetPracticeState = ETargetPracticeGameStates.FiredArrow;
// Set the Arrows Velocity based on the current Pitch and Amplitude of the Players voice
// Find the Middle Point of the Bow And Arrow to Rotate around
PointF sMiddlePoint = new Point();
sMiddlePoint.X = mrBOW_AND_ARROW_POSITION.X + (mrBOW_AND_ARROW_POSITION.Width / 2.0f);
sMiddlePoint.Y = mrBOW_AND_ARROW_POSITION.Y + (mrBOW_AND_ARROW_POSITION.Height / 2.0f);
// Rotate the Bow And Arrow by the specified Bow And Arrow Rotation Amount
System.Drawing.Drawing2D.Matrix sRotationMatrix = new System.Drawing.Drawing2D.Matrix(1, 0, 0, 1, 0, 0);
sRotationMatrix.RotateAt(miBowAndArrowRotation, sMiddlePoint);
PointF[] sPoint = new PointF[1];
sPoint[0].X = sMiddlePoint.X + 1;
sPoint[0].Y = sMiddlePoint.Y;
sRotationMatrix.TransformPoints(sPoint);
// Set the Arrows initial Direction to travel
mcArrowVelocity.X = sPoint[0].X - sMiddlePoint.X;
mcArrowVelocity.Y = sPoint[0].Y - sMiddlePoint.Y;
mcArrowVelocity.Normalize();
// Set the Arrows initial speed
mcArrowVelocity *= (mfUnitBowAndArrowPower * 300.0f);
mcArrowVelocity.X += 100.0f;
// Set the Arrows Rotation to be the same as the Bow And Arrow initially
miArrowRotation = miBowAndArrowRotation;
// Play the Fire Arrow sound
CFMOD.PlaySound(msSoundFire, false);
}
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
int W = img.Width;
int H = img.Height;
int R = (int)Math.Sqrt(Math.Pow(W / 2, 2) + Math.Pow(H / 2, 2));
Graphics gr = e.Graphics;
System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix();
float degrees = (float)(180 * angle / Math.PI);
Point PtLoc = new Point(0, 0);
mat.RotateAt(degrees, new PointF(PtLoc.X + W / 2, PtLoc.Y + H / 2));
e.Graphics.Transform = mat;
e.Graphics.DrawImage(img, 0, 0, W, H);
}
public void ProcessRequest(HttpContext context)
{
int iHeight = 80;
int iWidth = 190;
Random oRandom = new Random();
int[] aBackgroundNoiseColor = new int[] { 150, 150, 150 };
int[] aTextColor = new int[] { 0, 0, 0 };
int[] aFontEmSizes = new int[] { 15, 20, 25, 30, 35 };
string[] aFontNames = new string[]
{
"Comic Sans MS",
"Arial",
"Times New Roman",
"Georgia",
"Verdana",
"Geneva"
};
FontStyle[] aFontStyles = new FontStyle[]
{
FontStyle.Bold,
FontStyle.Italic,
FontStyle.Regular,
FontStyle.Strikeout,
FontStyle.Underline
};
HatchStyle[] aHatchStyles = new HatchStyle[]
{
HatchStyle.BackwardDiagonal, HatchStyle.Cross,
HatchStyle.DashedDownwardDiagonal, HatchStyle.DashedHorizontal,
HatchStyle.DashedUpwardDiagonal, HatchStyle.DashedVertical,
HatchStyle.DiagonalBrick, HatchStyle.DiagonalCross,
HatchStyle.Divot, HatchStyle.DottedDiamond, HatchStyle.DottedGrid,
HatchStyle.ForwardDiagonal, HatchStyle.Horizontal,
HatchStyle.HorizontalBrick, HatchStyle.LargeCheckerBoard,
HatchStyle.LargeConfetti, HatchStyle.LargeGrid,
HatchStyle.LightDownwardDiagonal, HatchStyle.LightHorizontal,
HatchStyle.LightUpwardDiagonal, HatchStyle.LightVertical,
HatchStyle.Max, HatchStyle.Min, HatchStyle.NarrowHorizontal,
HatchStyle.NarrowVertical, HatchStyle.OutlinedDiamond,
HatchStyle.Plaid, HatchStyle.Shingle, HatchStyle.SmallCheckerBoard,
HatchStyle.SmallConfetti, HatchStyle.SmallGrid,
HatchStyle.SolidDiamond, HatchStyle.Sphere, HatchStyle.Trellis,
HatchStyle.Vertical, HatchStyle.Wave, HatchStyle.Weave,
HatchStyle.WideDownwardDiagonal, HatchStyle.WideUpwardDiagonal, HatchStyle.ZigZag
};
//Get Captcha in Session
string sCaptchaText = context.Session["Captcha"].ToString();
//Creates an output Bitmap
Bitmap oOutputBitmap = new Bitmap(iWidth, iHeight, PixelFormat.Format24bppRgb);
Graphics oGraphics = Graphics.FromImage(oOutputBitmap);
oGraphics.TextRenderingHint = TextRenderingHint.AntiAlias;
//Create a Drawing area
RectangleF oRectangleF = new RectangleF(0, 0, iWidth, iHeight);
Brush oBrush = default(Brush);
//Draw background (Lighter colors RGB 100 to 255)
oBrush = new HatchBrush(aHatchStyles[oRandom.Next
(aHatchStyles.Length - 1)], Color.FromArgb((oRandom.Next(100, 255)),
(oRandom.Next(100, 255)), (oRandom.Next(100, 255))), Color.White);
oGraphics.FillRectangle(oBrush, oRectangleF);
System.Drawing.Drawing2D.Matrix oMatrix = new System.Drawing.Drawing2D.Matrix();
int i = 0;
for (i = 0; i <= sCaptchaText.Length - 1; i++)
{
oMatrix.Reset();
int iChars = sCaptchaText.Length;
int x = iWidth / (iChars + 1) * i;
int y = iHeight / 2;
//Rotate text Random
oMatrix.RotateAt(oRandom.Next(-40, 40), new PointF(x, y));
oGraphics.Transform = oMatrix;
//Draw the letters with Random Font Type, Size and Color
oGraphics.DrawString
(
//Text
sCaptchaText.Substring(i, 1),
//Random Font Name and Style
new Font(aFontNames[oRandom.Next(aFontNames.Length - 1)],
aFontEmSizes[oRandom.Next(aFontEmSizes.Length - 1)],
aFontStyles[oRandom.Next(aFontStyles.Length - 1)]),
//Random Color (Darker colors RGB 0 to 100)
new SolidBrush(Color.FromArgb(oRandom.Next(0, 100),
oRandom.Next(0, 100), oRandom.Next(0, 100))),
x,
oRandom.Next(10, 40)
);
oGraphics.ResetTransform();
}
MemoryStream oMemoryStream = new MemoryStream();
oOutputBitmap.Save(oMemoryStream, System.Drawing.Imaging.ImageFormat.Png);
byte[] oBytes = oMemoryStream.GetBuffer();
oOutputBitmap.Dispose();
oMemoryStream.Close();
context.Response.BinaryWrite(oBytes);
context.Response.End();
}
/// <summary>
/// 添加文字水印
/// </summary>
/// <param name="originalFile">目标文件</param>
/// <param name="markText">水印文字</param>
/// <param name="waterMarkPosition">水印位置</param>
/// <returns></returns>
public bool AddWaterMarkText(string originalFile, string markText, WaterMarkPositions waterMarkPosition)
{
try
{
Image image = new Bitmap(originalFile);
Graphics draw = Graphics.FromImage(image);
int imgWidth = image.Width;
int imgHeight = image.Height;
Font crFont = null;
SizeF crSize = new SizeF();
if (FontSize != 0)
{
crFont = new Font(MyFontFamily, FontSize, FontStyle.Bold);
crSize = draw.MeasureString(markText, crFont);
}
else
{
#region 文字最佳适配
int[] sizes = new int[] { 32, 30, 28, 26, 24, 20, 18, 16, 14, 12, 10, 8, 6, 4 };
for (int i = 0; i < sizes.Length; i++)
{
crFont = new Font(MyFontFamily, sizes[i], FontStyle.Bold);
crSize = draw.MeasureString(markText, crFont);
if ((ushort)crSize.Width < (ushort)imgWidth && (ushort)crSize.Height < (ushort)imgHeight)
{
break;
}
}
#endregion
}
float xpos = 0;
float ypos = 0;
switch (waterMarkPosition)
{
case WaterMarkPositions.TOP_LEFT:
xpos = ((float)imgWidth * (float).01) + (crSize.Width / 2);
ypos = (float)imgHeight * (float).01;
break;
case WaterMarkPositions.TOP_RIGHT:
xpos = ((float)imgWidth * (float).99) - (crSize.Width / 2);
ypos = (float)imgHeight * (float).01;
break;
case WaterMarkPositions.BOTTOM_LEFT:
xpos = ((float)imgWidth * (float).01) + (crSize.Width / 2);
ypos = ((float)imgHeight * (float).99) - crSize.Height;
break;
case WaterMarkPositions.BOTTOM_RIGHT:
xpos = ((float)imgWidth * (float).99) - (crSize.Width / 2);
ypos = ((float)imgHeight * (float).99) - crSize.Height;
break;
case WaterMarkPositions.CENTER:
xpos = ((float)imgWidth * (float).50);
ypos = ((float)imgHeight * (float).50) - crSize.Height;
break;
}
StringFormat StrFormat = new StringFormat();
StrFormat.Alignment = StringAlignment.Center;
SolidBrush semiTransBrush = new SolidBrush(Color.FromArgb(153, 255, 255, 255));
SolidBrush semiTransBrush2 = new SolidBrush(Color.FromArgb(153, 0, 0, 0));
//尝试旋转
System.Drawing.Drawing2D.Matrix myMatrix = new System.Drawing.Drawing2D.Matrix();
myMatrix.RotateAt(Angle, new PointF(xpos, ypos), System.Drawing.Drawing2D.MatrixOrder.Append);
draw.Transform = myMatrix;
//写出文字
draw.DrawString(markText, crFont, semiTransBrush, xpos, ypos, StrFormat);
//加写一层阴影效果
draw.DrawString(markText, crFont, semiTransBrush2, xpos + 1, ypos + 1, StrFormat);
semiTransBrush2.Dispose();
semiTransBrush.Dispose();
Image imageOut = new Bitmap(image, imgWidth, imgHeight);
image.Dispose();
draw.Dispose();
//删除原始文件
//if (File.Exists(OriginalFile))
//{
// File.Delete(OriginalFile);
//}
//保存新文件
imageOut.Save(originalFile, ImageFormat.Jpeg);
imageOut.Dispose();
if (receiveMessage != null)
{
receiveMessage(string.Format("添加文字水印成功：“{0}”", originalFile));
}
return(true);
}
catch (Exception ex)
{
if (receiveMessage != null)
{
receiveMessage(string.Format("添加文字水印失败：“{0}”，错误：{1}", originalFile, ex));
}
return(false);
}
}
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();
}
/// <summary>
/// 添加图片水印
/// </summary>
/// <param name="originalFile">目标文件</param>
/// <param name="markImgFile">水印图片文件</param>
/// <param name="waterMarkPosition">水印位置</param>
/// <param name="degrees">旋转角度，以底边为准</param>
/// <returns></returns>
public bool AddWaterMarkImg(string originalFile, string markImgFile, WaterMarkPositions waterMarkPosition, int offset, int degrees)
{
try
{
//转化为弧度
double dblDegrees = degrees * Math.PI / 180;
Image image = new Bitmap(originalFile);
Image imgMark = new Bitmap(markImgFile);
Graphics g = Graphics.FromImage(image);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
int ImgWidth = image.Width;
int ImgHeight = image.Height;
int ImgMarkWidth = imgMark.Width;
int ImgMarkHeight = imgMark.Height;
//计算旋转后水印图片实际所占的宽高，并为了不超过原图片大小计算其自动缩放比例，再求出四角的坐标
//底边所占宽高
double dblHeight = 0.0;
double dblWidth = 0.0;
dblHeight += ImgMarkWidth * Math.Sin(dblDegrees);
dblHeight += ImgMarkHeight * Math.Sin(90 - dblDegrees);
dblWidth += ImgMarkHeight * Math.Sin(dblDegrees);
dblWidth += ImgMarkWidth * Math.Sin(90 - dblDegrees);
//缩放，未加入正弦运算
double dblScaleVal = 1.0; //私有缩放比例
if (dblWidth > ImgWidth || dblHeight > ImgHeight)
{
dblScaleVal = (dblWidth / ImgWidth > dblHeight / ImgHeight) ? dblHeight / ImgHeight : dblWidth / ImgWidth;
}
int newW = Convert.ToInt16(dblScaleVal * ImgMarkWidth);
int newH = Convert.ToInt16(dblScaleVal * ImgMarkHeight);
imgMark = new Bitmap(imgMark, newW, newH);
#region 自己计算，有点问题
////四角坐标
//Point plt = new Point(), prt = new Point(), plb = new Point(); //左上、右上、左下
//switch (waterMarkPosition)
//{
// case WaterMarkPositions.TOP_LEFT:
// plt = new Point(Offset, Convert.ToInt32(Offset + newW * Math.Sin(Degrees)));
// prt = new Point(Convert.ToInt32(newW * Math.Sin(90 - Degrees) + Offset), Convert.ToInt32(Offset));
// plb = new Point(Convert.ToInt32(newH * Math.Sin(Degrees) + Offset),
// Convert.ToInt32(Offset + newW * Math.Sin(Degrees) + newH * Math.Sin(90 - Degrees)));
// break;
// case WaterMarkPositions.TOP_RIGHT:
// plt = new Point(Convert.ToInt32(ImgWidth - newW * Math.Sin(90 - Degrees) - Offset), Offset);
// prt = new Point(Convert.ToInt32(ImgWidth - Offset), Convert.ToInt32(Offset + newW * Math.Sin(Degrees)));
// plb = new Point(Convert.ToInt32(ImgWidth - Offset - newH * Math.Sin(Degrees) - newW * Math.Sin(90 - Degrees)),
// Convert.ToInt32(Offset + newH * Math.Sin(90 - Degrees)));
// break;
// case WaterMarkPositions.BOTTOM_LEFT:
// plt = new Point(Convert.ToInt32(Offset + newH * Math.Sin(Degrees)),
// Convert.ToInt32(ImgHeight - Offset - newH * Math.Sin(90 - Degrees) - newW * Math.Sin(Degrees)));
// prt = new Point(Convert.ToInt32(Offset + newW * Math.Sin(90 - Degrees) + newH * Math.Sin(Degrees)),
// Convert.ToInt32(ImgHeight - Offset - newH * Math.Sin(90 - Degrees)));
// plb = new Point(Offset, Convert.ToInt32(ImgHeight - Offset - newW * Math.Sin(90 - Degrees)));
// break;
// case WaterMarkPositions.BOTTOM_RIGHT:
// plt = new Point(Convert.ToInt32(ImgWidth - Offset - newH * Math.Sin(Degrees) - newW * Math.Sin(90 - Degrees)),
// Convert.ToInt32(ImgHeight - Offset - newH * Math.Sin(90 - Degrees)));
// prt = new Point(Convert.ToInt32(ImgWidth - Offset - newH * Math.Sin(Degrees)),
// Convert.ToInt32(ImgHeight - Offset - newW * Math.Sin(Degrees) - newH * Math.Sin(90 - Degrees)));
// plb = new Point(Convert.ToInt32(ImgWidth - Offset - newW * Math.Sin(90 - Degrees)),
// Convert.ToInt32(ImgHeight - Offset));
// break;
// case WaterMarkPositions.CENTER:
// break;
//}
//Point[] destPara = { plt, prt, plb };
//draw.DrawImage(imgMark, destPara);
#endregion
#region 几何变换旋转
//对角线计算
double dblDiagonal = Math.Sqrt(Math.Pow(newW, 2) + Math.Pow(newH, 2));
//旋转中心点，以水印图片为准，并以中心为准计算水印左上角定点起始位置；
PointF plt = new PointF(), pCenter = new PointF();
switch (waterMarkPosition)
{
case WaterMarkPositions.TOP_LEFT:
//pCenter = new PointF(Offset + (newH * (float)Math.Sin(dblDegrees) + newW * (float)Math.Cos(dblDegrees) / 2),
// Offset + (newH * (float)Math.Cos(dblDegrees) + newW * (float)Math.Sin(dblDegrees) / 2));
//plt = new PointF(pCenter.X - (float)dblDiagonal / 2 * (float)Math.Sin(Math.PI / 2 - 2 * dblDegrees),
// pCenter.Y - (float)dblDiagonal / 2 * (float)Math.Cos(Math.PI / 2 - 2 * dblDegrees));
break;
case WaterMarkPositions.TOP_RIGHT:
break;
case WaterMarkPositions.BOTTOM_LEFT:
break;
case WaterMarkPositions.BOTTOM_RIGHT:
plt = new PointF(ImgWidth - offset - newW, ImgHeight - offset - newH);
break;
case WaterMarkPositions.CENTER:
plt = new PointF(ImgWidth / 2 - newW / 2 - offset, ImgHeight / 2 - newH / 2 - offset);
break;
}
//plt = new PointF(10, 10); pCenter = new PointF(162, 82);
System.Drawing.Drawing2D.Matrix myMatrix = new System.Drawing.Drawing2D.Matrix();
myMatrix.RotateAt(degrees, pCenter, System.Drawing.Drawing2D.MatrixOrder.Prepend);
//draw.Transform = myMatrix;
g.DrawImage(imgMark, plt);
#endregion
Image imageCopy = new Bitmap(image);
image.Dispose();
imgMark.Dispose();
g.Dispose();
//删除原始文件
if (File.Exists(originalFile))
{
File.Delete(originalFile);
}
//保存新文件
imageCopy.Save(originalFile, ImageFormat.Jpeg);
imageCopy.Dispose();
if (receiveMessage != null)
{
receiveMessage(string.Format("添加图片水印成功：“{0}”", originalFile));
}
return(true);
}
catch (Exception ex)
{
if (receiveMessage != null)
{
receiveMessage(string.Format("添加图片水印失败：“{0}”，错误：{1}", originalFile, ex));
}
return(false);
}
}
/// <summary>
/// Draws the background of the collapsed band
/// </summary>
/// <param name="g">The canvas to draw on</param>
/// <param name="bounds">The bounds of the drawing</param>
/// <param name="text">The text that should appear into the bar</param>
/// <param name="font">The font to use when drawing the text</param>
/// <param name="state">The inputstate of the collapsed band</param>
public override void DrawNaviBandCollapsedBg(Graphics g, Rectangle bounds, string text, Font font,
bool rightToLeft, InputState state)
{
// Gradient background
Color[] endColors = new Color[] { ColourTable.BandCollapsedBgColor1, ColourTable.BandCollapsedBgColor2 };
if (state == InputState.Clicked)
{
endColors = new Color[] { ColourTable.BandCollapsedClickedColor1, ColourTable.BandCollapsedClickedColor1 }
}
;
else if (state == InputState.Hovered)
{
endColors = new Color[] { ColourTable.BandCollapsedHoveredColor1, ColourTable.BandCollapsedHoveredColor1 }
}
;
float[] ColorPositions = { 0.0f, 1.0f };
ExtDrawing.DrawVertGradient(g, bounds, endColors, ColorPositions);
bounds.Width -= 1;
bounds.Height -= 1;
if ((state == InputState.Hovered))
{
bounds.Inflate(new Size(-1, -1));
using (Pen p = new Pen(ColourTable.Border))
{
g.DrawRectangle(p, bounds);
}
bounds.Inflate(new Size(-1, -1));
// Background gradient
if (state == InputState.Hovered)
{
endColors = new Color[] { ColourTable.ButtonHoveredColor1, ColourTable.ButtonHoveredColor2,
ColourTable.ButtonHoveredColor3 }
}
;
else
{
endColors = new Color[] { ColourTable.ButtonActiveColor1, ColourTable.ButtonActiveColor2,
ColourTable.ButtonActiveColor3 }
};
float[] ColorPositions2 = { 0.0f, 0.4f, 1.0f };
ExtDrawing.DrawHorGradient(g, bounds, endColors, ColorPositions2);
// Draws a nice shiney glow on the bottom of the button
endColors = new Color[] { Color.FromArgb(1, ColourTable.ButtonActiveColor4) };
GraphicsPath path = new GraphicsPath();
path.AddEllipse(0, bounds.Height / 2, bounds.Width, bounds.Height);
ExtDrawing.DrawRadialGradient(g, path, bounds, Color.FromArgb(150,
ColourTable.ButtonActiveColor4), endColors);
// Inner borders
if (state == InputState.Hovered)
{
using (Pen p = new Pen(ColourTable.BorderInner))
{
g.DrawRectangle(p, bounds);
}
}
}
else if (state == InputState.Clicked)
{
bounds.Inflate(new Size(-1, -1));
using (Pen p = new Pen(ColourTable.Border))
{
g.DrawRectangle(p, bounds);
}
// Background gradient
endColors = new Color[] { ColourTable.ButtonClickedColor3, ColourTable.ButtonClickedColor2,
ColourTable.ButtonClickedColor1 };
float[] ColorPositions2 = { 0.0f, 0.8f, 1.0f };
ExtDrawing.DrawVertGradient(g, bounds, endColors, ColorPositions2);
}
using (Brush brush = new SolidBrush(ColourTable.Text))
{
if (rightToLeft)
{
Point ptCenter = new Point(bounds.X + bounds.Width / 2 + 7, bounds.Y +
bounds.Height / 2);
System.Drawing.Drawing2D.Matrix transform = g.Transform;
transform.RotateAt(90, ptCenter);
g.Transform = transform;
using (StringFormat format = new StringFormat())
{
format.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
g.DrawString(text, font, brush, ptCenter, format);
}
}
else
{
Point ptCenter = new Point(bounds.X + bounds.Width / 2 - 7, bounds.Y +
bounds.Height / 2);
System.Drawing.Drawing2D.Matrix transform = g.Transform;
transform.RotateAt(270, ptCenter);
g.Transform = transform;
g.DrawString(text, font, brush, ptCenter);
}
}
}
/// <summary>
/// Renders extent for triggers and pressureplates
/// </summary>
private void DrawTriggerExtent(Graphics g, Map.Object obj, Map.Object underCursor = null)
{
ThingDb.Thing tt = ThingDb.Things[obj.Name];
if (!tt.HasClassFlag(ThingDb.Thing.ClassFlags.TRIGGER))
{
return;
}
TriggerXfer trigger = obj.GetExtraData <TriggerXfer>();
bool isUnderCursor = false;
if (underCursor != null)
{
isUnderCursor = underCursor.Equals(obj);
}
bool isSelected = mapRenderer.SelectedObjects.Items.Contains(obj);
bool isSelected2 = MapInterface.RecSelected.Contains(obj);
if (isSelected && isSelected2 && MapInterface.KeyHelper.ShiftKey)
{
isSelected = false;
isSelected2 = false;
}
if (isSelected || isSelected2)
{
if (mapRenderer.proHand && isUnderCursor)
{
MainWindow.Instance.mapView.mapPanel.Cursor = Cursors.Hand;
}
}
int x = (int)obj.Location.X;
int y = (int)obj.Location.Y;
Rectangle triggerRect = new Rectangle(x - trigger.SizeX / 2, y - trigger.SizeY / 2, trigger.SizeX, trigger.SizeY);
using (var m = new System.Drawing.Drawing2D.Matrix())
{
m.RotateAt(45, obj.Location);
g.Transform = m;
switch (tt.DrawType)
{
case "TriggerDraw":
g.DrawRectangle(triggerPen, triggerRect);
if (isSelected || isSelected2)
{
g.FillRectangle(new SolidBrush(Color.FromArgb(100, 0, 255, 0)), triggerRect);
}
else if (isUnderCursor)
{
g.FillRectangle(new SolidBrush(Color.FromArgb(60, 0, 255, 0)), triggerRect);
}
break;
case "PressurePlateDraw":
Rectangle shadeRect = new Rectangle(triggerRect.X + 1, triggerRect.Y + 1, triggerRect.Width, triggerRect.Height);
Pen pen = new Pen(trigger.BackColor, 1F);
g.DrawRectangle(pen, shadeRect);
pen = new Pen(trigger.EdgeColor, 1F);
g.DrawRectangle(pen, triggerRect);
if (isSelected || isSelected2)
{
g.FillRectangle(new SolidBrush(Color.FromArgb(100, 0, 255, 0)), triggerRect);
}
else if (isUnderCursor)
{
g.FillRectangle(new SolidBrush(Color.FromArgb(60, 0, 255, 0)), triggerRect);
}
break;
}
g.ResetTransform();
}
}
/// <summary>
/// Draws an object's extent
/// </summary>
public void DrawObjectExtent(Graphics g, Map.Object obj, bool draw3D)
{
ThingDb.Thing tt = ThingDb.Things[obj.Name];
PointF center = obj.Location;
if (tt.ExtentType == "CIRCLE")
{
PointF t = new PointF(center.X - tt.ExtentX, center.Y - tt.ExtentX);
PointF p = new PointF((center.X) - tt.ExtentX, (center.Y - tt.ZSizeY) - tt.ExtentX);
Pen Pen0 = new Pen(Color.Blue, 1);//2
Pen rotatePen;
if ((tt.Class & ThingDb.Thing.ClassFlags.IMMOBILE) != ThingDb.Thing.ClassFlags.IMMOBILE)
{
rotatePen = objMoveablePen;
}
else
{
rotatePen = extentPen;
}
g.DrawEllipse(rotatePen, new RectangleF(t, new Size(2 * tt.ExtentX, 2 * tt.ExtentX)));
if (draw3D)
{
//Rectangle r1 = new Rectangle((int)t.X, (int)t.Y - (tt.ZSizeY - tt.ExtentX), tt.ExtentX * 2, tt.ZSizeY + 0);
PointF point1 = new PointF(t.X, t.Y);
point1.Y += tt.ExtentX;
PointF point2 = new PointF(p.X, p.Y);
point2.Y += tt.ExtentX;
g.DrawLine(rotatePen, point1, point2);
point1.X += tt.ExtentX * 2;
point2.X += tt.ExtentX * 2;
g.DrawLine(rotatePen, point1, point2);
g.DrawEllipse(rotatePen, new RectangleF(p, new Size(2 * tt.ExtentX, 2 * tt.ExtentX)));
//g.DrawRectangle(Pen0, r1);
}
}
if (tt.ExtentType == "BOX")
{
Point t = new Point((int)(center.X - (tt.ExtentX / 2)), (int)(center.Y - (tt.ExtentY / 2)));
Point p = new Point((int)((center.X - (tt.ZSizeY / 2)) - (tt.ExtentX / 2)), (int)((center.Y - (tt.ZSizeY / 2)) - (tt.ExtentY / 2)));
using (var m = new System.Drawing.Drawing2D.Matrix())
{
m.RotateAt(45, center);
g.Transform = m;
Pen rotatePen = new Pen(Color.Green, 1);
Pen testPen = new Pen(Color.Fuchsia, 1);
// Pen Pen1 = new Pen(Color.Red, 1);
Pen Pen2 = new Pen(Color.Azure, 1); //0
Pen Pen3 = new Pen(Color.Blue, 1); //2
Pen Pen4 = new Pen(Color.Orange, 1); //1
Pen Pen5 = new Pen(Color.Yellow, 1); //4
Pen Pen6 = new Pen(Color.Pink, 1); //5
Pen Pen7 = new Pen(Color.Fuchsia, 1); //3
// Pen Pen8 = new Pen(Color.ForestGreen, 1);
g.DrawRectangle(rotatePen, new Rectangle(t, new Size(tt.ExtentX, tt.ExtentY)));
PointF[] pointss = new PointF[6];
if (draw3D)
{
PointF point1 = new PointF(t.X, t.Y);
PointF point2 = new PointF(p.X, p.Y);
g.DrawLine(rotatePen, point1, point2);
pointss[0] = point2;
// g.DrawEllipse(Pen1, new RectangleF(point1, new Size(5, 5)));
// g.DrawEllipse(Pen2, new RectangleF(point2, new Size(5, 5)));
point1 = new PointF(t.X, t.Y);
point2 = new PointF(p.X, p.Y);
point1.Y += tt.ExtentY;
point2.Y += tt.ExtentY;
g.DrawLine(rotatePen, point1, point2);
// g.DrawEllipse(Pen3, new RectangleF(point1, new Size(5, 5)));
//g.DrawEllipse(Pen4, new RectangleF(point2, new Size(5, 5)));
pointss[1] = point2;
pointss[2] = point1;
point1 = new PointF(t.X, t.Y);
point2 = new PointF(p.X, p.Y);
point1.X += tt.ExtentX;
point2.X += tt.ExtentX;
g.DrawLine(rotatePen, point1, point2);
// g.DrawEllipse(Pen5, new RectangleF(point1, new Size(5, 5)));
// g.DrawEllipse(Pen6, new RectangleF(point2, new Size(5, 5)));
pointss[4] = point1;
pointss[5] = point2;
point1 = new PointF(t.X, t.Y);
point2 = new PointF(p.X, p.Y);
point1.X += tt.ExtentX;
point2.X += tt.ExtentX;
point1.Y += tt.ExtentY;
point2.Y += tt.ExtentY;
//g.DrawEllipse(Pen7, new RectangleF(point1, new Size(5, 5)));
//g.DrawEllipse(Pen8, new RectangleF(point2, new Size(5, 5)));
pointss[3] = point1;
//PointF pivot = GetCentroid(pointss, 6);
/*
* pointss[0] = Rotate(pointss[0], center, 45);
* pointss[1] = Rotate(pointss[1], center, 45);
* pointss[2] = Rotate(pointss[2], center, 45);
* pointss[3] = Rotate(pointss[3], center, 45);
* pointss[4] = Rotate(pointss[4], center, 45);
* pointss[5] = Rotate(pointss[5], center, 45);
*/
g.DrawLine(rotatePen, point1, point2);
g.DrawRectangle(rotatePen, new Rectangle(p, new Size(tt.ExtentX, tt.ExtentY)));
//g.DrawPolygon(testPen, pointss);
}
g.ResetTransform();
// g.DrawPolygon(Pen3, pointss);
}
}
}
private Bitmap RotatePic(Bitmap bmpBU, float w, bool keepWholeImg)
{
Bitmap bmp = null;
Graphics g = null;
try
{
//Modus
if (!keepWholeImg)
{
bmp = new Bitmap(bmpBU.Width, bmpBU.Height);
g = Graphics.FromImage(bmp);
float hw = bmp.Width / 2f;
float hh = bmp.Height / 2f;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
//translate center
g.TranslateTransform(hw, hh);
//rotate
g.RotateTransform(w);
//re-translate
g.TranslateTransform(-hw, -hh);
g.DrawImage(bmpBU, 0, 0);
g.Dispose();
}
else
{
//get the new size and create the blank bitmap
float rad = (float)(w / 180.0 * Math.PI);
double fW = Math.Abs((Math.Cos(rad) * bmpBU.Width)) + Math.Abs((Math.Sin(rad) * bmpBU.Height));
double fH = Math.Abs((Math.Sin(rad) * bmpBU.Width)) + Math.Abs((Math.Cos(rad) * bmpBU.Height));
bmp = new Bitmap((int)Math.Ceiling(fW), (int)Math.Ceiling(fH));
g = Graphics.FromImage(bmp);
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
float hw = bmp.Width / 2f;
float hh = bmp.Height / 2f;
System.Drawing.Drawing2D.Matrix m = g.Transform;
//here we do not need to translate, we rotate at the specified point
m.RotateAt(w, new PointF((float)(bmp.Width / 2), (float)(bmp.Height / 2)), System.Drawing.Drawing2D.MatrixOrder.Append);
g.Transform = m;
//draw the rotated image
g.DrawImage(bmpBU, new PointF((float)((bmp.Width - bmpBU.Width) / 2), (float)((bmp.Height - bmpBU.Height) / 2)));
g.Dispose();
}
}
catch
{
if ((bmp != null))
{
bmp.Dispose();
bmp = null;
}
if ((g != null))
{
g.Dispose();
}
MessageBox.Show("Fehler.");
}
return(bmp);
}
public Bitmap Generate(string sCaptchaText)
{
int iHeight = 80;
int iWidth = 190;
Random oRandom = new Random();
int[] aBackgroundNoiseColor = new int[] { 150, 150, 150 };
int[] aTextColor = new int[] { 0, 0, 0 };
int[] aFontEmSizes = new int[] { 25, 25, 25, 25, 25 };
string[] aFontNames = new string[]
{
"Arial"
};
FontStyle[] aFontStyles = new FontStyle[]
{
FontStyle.Bold,
FontStyle.Bold,
FontStyle.Bold,
FontStyle.Bold,
FontStyle.Bold
};
HatchStyle[] aHatchStyles = new HatchStyle[]
{
HatchStyle.Cross
};
//string sCaptchaText = GetCaptchaString(6);
//context.HttpContext.Session["captchastring"] = sCaptchaText;
//Creates an output Bitmap
Bitmap oOutputBitmap = new Bitmap(iWidth, iHeight, PixelFormat.Format24bppRgb);
Graphics oGraphics = Graphics.FromImage(oOutputBitmap);
oGraphics.TextRenderingHint = TextRenderingHint.AntiAlias;
//Create a Drawing area
RectangleF oRectangleF = new RectangleF(0, 0, iWidth, iHeight);
Brush oBrush = default(Brush);
//Draw background (Lighter colors RGB 100 to 255)
oBrush = new HatchBrush(aHatchStyles[oRandom.Next(aHatchStyles.Length - 1)], Color.FromArgb((oRandom.Next(100, 255)), (oRandom.Next(100, 255)), (oRandom.Next(100, 255))), Color.White);
oGraphics.FillRectangle(oBrush, oRectangleF);
System.Drawing.Drawing2D.Matrix oMatrix = new System.Drawing.Drawing2D.Matrix();
int i = 0;
for (i = 0; i <= sCaptchaText.Length - 1; i++)
{
sCaptchaText = sCaptchaText.ToUpper();
oMatrix.Reset();
int iChars = sCaptchaText.Length;
int x = iWidth / (iChars + 1) * i;
int y = iHeight / 2;
//Rotate text Random
oMatrix.RotateAt(oRandom.Next(-20, 20), new PointF(x, y));
oGraphics.Transform = oMatrix;
//Draw the letters with Randon Font Type, Size and Color
oGraphics.DrawString
(
//Text
sCaptchaText.Substring(i, 1),
//Random Font Name and Style
new Font(aFontNames[oRandom.Next(aFontNames.Length - 1)], aFontEmSizes[oRandom.Next(aFontEmSizes.Length - 1)], aFontStyles[oRandom.Next(aFontStyles.Length - 1)]),
//Random Color (Darker colors RGB 0 to 100)
new SolidBrush(Color.FromArgb(oRandom.Next(0, 100), oRandom.Next(0, 100), oRandom.Next(0, 100))),
x,
oRandom.Next(10, 40)
);
oGraphics.ResetTransform();
}
return(oOutputBitmap);
}