本文整理汇总了C#中System.Drawing.Drawing2D.Matrix.Shear方法的典型用法代码示例。如果您正苦于以下问题：C# Matrix.Shear方法的具体用法？C# Matrix.Shear怎么用？C# Matrix.Shear使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Drawing.Drawing2D.Matrix的用法示例。
在下文中一共展示了Matrix.Shear方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Form1_Paint
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);
}
}示例2: GetMatrix
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;
}示例3: CreateImage
/// <summary>
/// 创建图片
/// </summary>
/// <param name="str"></param>
public void CreateImage(string validateCode)
{
int width = validateCode.Length * 30;
Random rand = new Random();
Bitmap bmp = new Bitmap(width + validateCode.Length * 3, 50);
Graphics g = Graphics.FromImage(bmp);
g.Clear(Color.FromArgb(255, 255, 255));
DrawLine(g, bmp, RANDOM_LINE_COUNT);
DrawPrint(bmp, RANDOM_PRINT_COUNT);
for (int i = 0; i < validateCode.Length; i++)
{
Matrix matrix = new Matrix();
matrix.Shear((float)_random.Next(0, 300) / 1000 - 0.25f, (float)_random.Next(0, 100) / 1000 - 0.05f);
g.Transform = matrix;
string str = validateCode.Substring(i, 1);
LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, bmp.Width, bmp.Height), Color.Blue, Color.DarkRed, 1.2f, true);
Point pos = new Point(i * 30 + 1 + rand.Next(3), 1 + rand.Next(5));
Font font = new Font(Fonts[_random.Next(Fonts.Length - 1)], _random.Next(24, 30), FontStyle.Bold);
g.DrawString(str, font, brush, pos);
}
MemoryStream ms = new MemoryStream();
bmp.Save(ms, ImageFormat.Png);
Response.ClearContent();
Response.ContentType = "image/png";
Response.BinaryWrite(ms.ToArray());
g.Dispose();
bmp.Dispose();
Response.End();
}示例4: shear
public Color[,] shear(Color[,] Org_Buffer, float sx, float sy)
{
flag_rotate_shear = true;
Matrix M = new Matrix();
M.Shear((float)sx, (float)sy);
return Transform(Org_Buffer, M);
}示例5: Draw
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);
}示例6: full_transform
public void full_transform(float ScX, float ScY, float ShX, float ShY, float RoAngle)
{
Matrix transform_matrix = new Matrix();
transform_matrix.Scale(ScX, ScY, MatrixOrder.Append);
transform_matrix.Shear(ShX, ShY, MatrixOrder.Append);
transform_matrix.Rotate(RoAngle, MatrixOrder.Append);
Transform(transform_matrix);
}示例7: Form1_Paint
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 { }
}
}示例8: DrawRect
public override void DrawRect(System.Drawing.RectangleF dirtyRect)
{
Graphics g = new Graphics();
int offset = 20;
// Scale:
Matrix m = new Matrix(1, 2, 3, 4, 0, 1);
g.DrawString("Original Matrix:", this.Font,
Brushes.Black, 10, 10);
DrawMatrix(m, g, 10, 10 + offset);
g.DrawString("Scale - Prepend:", this.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:", this.Font,
Brushes.Black, 10, 10 + 4 * offset);
// Reset m to the original matrix:
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:", this.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:", this.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);
// Rotation:
m = new Matrix(1, 2, 3, 4, 0, 1);
g.DrawString("Rotation - Prepend:", this.Font,
Brushes.Black, 10, 10 + 10 * offset);
m.Rotate(45, MatrixOrder.Prepend);
DrawMatrix(m, g, 10, 10 + 11 * offset);
g.DrawString("Rotation - Append:", this.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:", this.Font,
Brushes.Black, 10, 10 + 14 * offset);
m.RotateAt(45, new PointF(1, 2), MatrixOrder.Prepend);
DrawMatrix(m, g, 10, 10 + 15 * offset);
g.DrawString("Rotation At - Append:", this.Font,
Brushes.Black, 10, 10 + 16 * offset);
// Reset m to the original matrix:
m = new Matrix(1, 2, 3, 4, 0, 1);
m.RotateAt(45, new PointF(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:", this.Font,
Brushes.Black, 10, 10 + 18 * offset);
m.Shear(1, 2, MatrixOrder.Prepend);
DrawMatrix(m, g, 10, 10 + 19 * offset);
g.DrawString("Shear - Append:", this.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);
}示例9: CreateCache
/// <summary>
/// Create cache
/// </summary>
/// <param name="rectBound">The bound rectangle</param>
/// <param name="bevelRate">Bevel rate</param>
/// <param name="segmentWidth">Width of the segment</param>
/// <param name="segmentInterval">Interval between segments</param>
private void CreateCache(Rectangle rectBound, float bevelRate, float segmentWidth, float segmentInterval)
{
Matrix mx = new Matrix(1, 0, 0, 1, 0, 0);
mx.Shear(-0.1f, 0);
PointF[] pathPointCollection = new PointF[6];
PointF[] pathDotCollection = new PointF[4];
for(int i = 0; i < 8; ++i)
{
if(m_CachedPaths[i] == null)
m_CachedPaths[i] = new GraphicsPath();
}
// top '-'
pathPointCollection[0].X = segmentWidth * bevelRate + segmentInterval;
pathPointCollection[0].Y = segmentWidth * bevelRate;
pathPointCollection[1].X = segmentInterval + segmentWidth * bevelRate * 2;
pathPointCollection[1].Y = 0;
pathPointCollection[2].X = rectBound.Width - segmentInterval - segmentWidth * bevelRate * 2;
pathPointCollection[2].Y = 0;
pathPointCollection[3].X = rectBound.Width - segmentInterval - segmentWidth * bevelRate;
pathPointCollection[3].Y = segmentWidth * bevelRate;
pathPointCollection[4].X = rectBound.Width - segmentInterval - segmentWidth;
pathPointCollection[4].Y = segmentWidth;
pathPointCollection[5].X = segmentWidth + segmentInterval;
pathPointCollection[5].Y = segmentWidth;
m_CachedPaths[0].AddPolygon(pathPointCollection);
m_CachedPaths[0].CloseFigure();
if (UseItalicStyle) m_CachedPaths[0].Transform(mx);
// upper right '|'
pathPointCollection[0].X = rectBound.Width - segmentWidth;
pathPointCollection[0].Y = segmentWidth + segmentInterval;
pathPointCollection[1].X = rectBound.Width - segmentWidth * bevelRate;
pathPointCollection[1].Y = segmentWidth * bevelRate + segmentInterval;
pathPointCollection[2].X = rectBound.Width + 1;
pathPointCollection[2].Y = segmentWidth * bevelRate * 2 + segmentInterval + 1;
pathPointCollection[3].X = rectBound.Width + 1;
pathPointCollection[3].Y = (rectBound.Height >> 1) - segmentWidth * 0.5f - segmentInterval - 1;
pathPointCollection[4].X = rectBound.Width - segmentWidth * 0.5f;
pathPointCollection[4].Y = (rectBound.Height >> 1) - segmentInterval;
pathPointCollection[5].X = rectBound.Width - segmentWidth;
pathPointCollection[5].Y = (rectBound.Height >> 1) - segmentWidth * 0.5f - segmentInterval;
m_CachedPaths[1].AddPolygon(pathPointCollection);
m_CachedPaths[1].CloseFigure();
if (UseItalicStyle) m_CachedPaths[1].Transform(mx);
// bottom right '|'
pathPointCollection[0].X = rectBound.Width - segmentWidth;
pathPointCollection[0].Y = (rectBound.Height >> 1) + segmentInterval + segmentWidth * 0.5f;
pathPointCollection[1].X = rectBound.Width - segmentWidth * 0.5f;
pathPointCollection[1].Y = (rectBound.Height >> 1) + segmentInterval;
pathPointCollection[2].X = rectBound.Width + 1;
pathPointCollection[2].Y = (rectBound.Height >> 1) + segmentInterval + segmentWidth * 0.5f + 1;
pathPointCollection[3].X = rectBound.Width + 1;
pathPointCollection[3].Y = rectBound.Height - segmentInterval - segmentWidth * bevelRate * 2 - 1;
pathPointCollection[4].X = rectBound.Width - segmentWidth * bevelRate;
pathPointCollection[4].Y = rectBound.Height - segmentWidth * bevelRate - segmentInterval;
pathPointCollection[5].X = rectBound.Width - segmentWidth;
pathPointCollection[5].Y = rectBound.Height - segmentWidth - segmentInterval;
m_CachedPaths[2].AddPolygon(pathPointCollection);
m_CachedPaths[2].CloseFigure();
if (UseItalicStyle) m_CachedPaths[2].Transform(mx);
// bottom '-'
pathPointCollection[0].X = segmentWidth * bevelRate + segmentInterval;
pathPointCollection[0].Y = rectBound.Height - segmentWidth * bevelRate;
pathPointCollection[1].X = segmentWidth + segmentInterval;
pathPointCollection[1].Y = rectBound.Height - segmentWidth;
pathPointCollection[2].X = rectBound.Width - segmentInterval - segmentWidth;
pathPointCollection[2].Y = rectBound.Height - segmentWidth;
pathPointCollection[3].X = rectBound.Width - segmentInterval - segmentWidth * bevelRate;
pathPointCollection[3].Y = rectBound.Height - segmentWidth * bevelRate;
pathPointCollection[4].X = rectBound.Width - segmentInterval - segmentWidth * bevelRate * 2;
pathPointCollection[4].Y = rectBound.Height;
pathPointCollection[5].X = segmentWidth * bevelRate * 2 + segmentInterval;
pathPointCollection[5].Y = rectBound.Height;
m_CachedPaths[3].AddPolygon(pathPointCollection);
m_CachedPaths[3].CloseFigure();
if (UseItalicStyle) m_CachedPaths[3].Transform(mx);
// bottom left '|'
pathPointCollection[0].X = 0f;
pathPointCollection[0].Y = (rectBound.Height >> 1) + segmentInterval + segmentWidth * 0.5f;
pathPointCollection[1].X = segmentWidth * 0.5f;
pathPointCollection[1].Y = (rectBound.Height >> 1) + segmentInterval;
pathPointCollection[2].X = segmentWidth;
pathPointCollection[2].Y = (rectBound.Height >> 1) + segmentInterval + segmentWidth * 0.5f;
pathPointCollection[3].X = segmentWidth;
pathPointCollection[3].Y = rectBound.Height - segmentWidth - segmentInterval;
pathPointCollection[4].X = segmentWidth * bevelRate;
pathPointCollection[4].Y = rectBound.Height - segmentWidth * bevelRate - segmentInterval;
pathPointCollection[5].X = 0f;
pathPointCollection[5].Y = rectBound.Height - segmentInterval - segmentWidth * bevelRate * 2;
m_CachedPaths[4].AddPolygon(pathPointCollection);
//.........这里部分代码省略.........
示例10: CreateImage
/// <summary>
/// Create Validation Code Image
/// </summary>
private byte[] CreateImage(string str_ValidateCode)
{
int int_ImageWidth = str_ValidateCode.Length * 22;
Random newRandom = new Random();
Bitmap theBitmap = new Bitmap(int_ImageWidth + 6, 38);
Graphics theGraphics = Graphics.FromImage(theBitmap);
theGraphics.Clear(Color.White);
drawLine(theGraphics, theBitmap, newRandom);
theGraphics.DrawRectangle(new Pen(Color.LightGray, 1), 0, 0, theBitmap.Width - 1, theBitmap.Height - 1);
for (int int_index = 0; int_index < str_ValidateCode.Length; int_index++)
{
Matrix X = new Matrix();
X.Shear((float)newRandom.Next(0, 300) / 1000 - 0.25f, (float)newRandom.Next(0, 100) / 1000 - 0.05f);
theGraphics.Transform = X;
string str_char = str_ValidateCode.Substring(int_index, 1);
System.Drawing.Drawing2D.LinearGradientBrush newBrush = new System.Drawing.Drawing2D.LinearGradientBrush(new Rectangle(0, 0, theBitmap.Width, theBitmap.Height), Color.Blue, Color.DarkRed, 1.2f, true);
Point thePos = new Point(int_index * 21 + 1 + newRandom.Next(3), 1 + newRandom.Next(13));
Font theFont = new Font(Fonts[newRandom.Next(Fonts.Length - 1)], newRandom.Next(14, 18), FontStyle.Bold);
theGraphics.DrawString(str_char, theFont, newBrush, thePos);
}
drawPoint(theBitmap, newRandom);
MemoryStream ms = new MemoryStream();
theBitmap.Save(ms, ImageFormat.Png);
var ret = ms.ToArray();
theGraphics.Dispose();
theBitmap.Dispose();
ms.Close();
return ret;
}示例11: NextImage
/// <summary>
/// 生产图片验证码
/// </summary>
/// <returns></returns>
public static Bitmap NextImage(int width = 70, int height = 34, int length = 4)
{
//获取随机字符
Random rand = new Random();
string str = RandomString(length);
HttpContext.Current.Session["verificationCode"] = str;
//创建画板
Bitmap image = new Bitmap(width, height);
Graphics g = Graphics.FromImage(image);
//g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.InterpolationMode = InterpolationMode.Low;
//g.CompositingMode = CompositingMode.SourceOver;
//g.CompositingQuality = CompositingQuality.HighQuality;
g.CompositingQuality = CompositingQuality.HighSpeed;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
g.SmoothingMode = SmoothingMode.AntiAlias;
//绘制渐变背景
Rectangle rect = new Rectangle(0, 0, image.Width, image.Height);
Brush brushBack = new LinearGradientBrush(rect, Color.FromArgb(rand.Next(150, 256), 255, 255), Color.FromArgb(255, rand.Next(150, 256), 255), rand.Next(90));
g.FillRectangle(brushBack, rect);
//绘制干扰曲线
for (int i = 0; i < 2; i++)
{
Point p1 = new Point(0, rand.Next(image.Height));
Point p2 = new Point(rand.Next(image.Width), rand.Next(image.Height));
Point p3 = new Point(rand.Next(image.Width), rand.Next(image.Height));
Point p4 = new Point(image.Width, rand.Next(image.Height));
Point[] p = { p1, p2, p3, p4 };
Pen pen = new Pen(Color.Gray, 1);
g.DrawBeziers(pen, p);
}
//逐个绘制文字
for (int i = 0; i < str.Length; i++)
{
string strChar = str.Substring(i, 1);
int deg = rand.Next(-15, 15);
float x = (image.Width / str.Length / 2) + (image.Width / str.Length) * i;
float y = image.Height / 2;
//随机字体大小
Font font = new Font("Consolas", rand.Next(16, 24), FontStyle.Regular);
SizeF size = g.MeasureString(strChar, font);
Matrix m = new Matrix();
//旋转
m.RotateAt(deg, new PointF(x, y), MatrixOrder.Append);
//扭曲
m.Shear(rand.Next(-10, 10) * 0.03f, 0);
g.Transform = m;
//随机渐变画笔
Brush brushPen = new LinearGradientBrush(rect, Color.FromArgb(rand.Next(0, 256), 0, 0), Color.FromArgb(0, 0, rand.Next(0, 256)), rand.Next(90));
g.DrawString(str.Substring(i, 1), font, brushPen, new PointF(x - size.Width / 2, y - size.Height / 2));
g.Transform = new Matrix();
}
g.Save();
g.Dispose();
return image;
}示例12: Shear
public static Color[,] Shear(Color[,] sourceBuffer, int oWidth, int oHeight)
{
Color[,] Buff;
Buff = sourceBuffer;
Matrix TrsMat = new Matrix();
TrsMat.Shear(1, 0);
Point[] mypoint = new Point[1];
mypoint[0].X = 0;
mypoint[0].Y = 0;
TrsMat.TransformPoints(mypoint);
int X0 = mypoint[0].X;
int Y0 = mypoint[0].Y;
mypoint[0].X = oWidth;
mypoint[0].Y = 0;
TrsMat.TransformPoints(mypoint);
int X1 = mypoint[0].X;
int Y1 = mypoint[0].Y;
mypoint[0].X = 0;
mypoint[0].Y = oHeight;
TrsMat.TransformPoints(mypoint);
int X2 = mypoint[0].X;
int Y2 = mypoint[0].Y;
mypoint[0].X = oWidth;
mypoint[0].Y = oHeight;
TrsMat.TransformPoints(mypoint);
int X3 = mypoint[0].X;
int Y3 = mypoint[0].Y;
int MinX = Math.Min(X0, X1);
MinX = Math.Min(MinX, X2);
MinX = Math.Min(MinX, X3);
int MinY = Math.Min(Y0, Y1);
MinY = Math.Min(MinY, Y2);
MinY = Math.Min(MinY, Y3);
int MaxX = Math.Max(X0, X1);
MaxX = Math.Max(MaxX, X2);
MaxX = Math.Max(MaxX, X3);
int MaxY = Math.Max(Y0, Y1);
MaxY = Math.Max(MaxY, Y2);
MaxY = Math.Max(MaxY, Y3);
int nWidth = MaxX - MinX;
int nHeight = MaxY - MinY;
TrsMat.Translate(-MinX, -MinY);
TrsMat.Invert();
Buff = new Color[nWidth, nHeight];
for (int i = 0; i < nHeight; i++)
{
for (int j = 0; j < nWidth; j++)
{
mypoint[0].X = j;
mypoint[0].Y = i;
TrsMat.TransformPoints(mypoint);
if (mypoint[0].X < oWidth && mypoint[0].X >= 0 && mypoint[0].Y < oHeight && mypoint[0].Y >= 0)
{
Buff[j, i] = sourceBuffer[mypoint[0].X, mypoint[0].Y];
}
else
{
Buff[j, i] = Color.FromArgb(0);
}
}
}
return Buff;
}示例13: Shear
public void Shear ()
{
Matrix matrix = new Matrix (10, 20, 30, 40, 50, 60);
matrix.Shear (2, 4);
Assert.AreEqual (130, matrix.Elements[0], "H#1");
Assert.AreEqual (180, matrix.Elements[1], "H#2");
Assert.AreEqual (50, matrix.Elements[2], "H#3");
Assert.AreEqual (80, matrix.Elements[3], "H#4");
Assert.AreEqual (50, matrix.Elements[4], "H#5");
Assert.AreEqual (60, matrix.Elements[5], "H#6");
matrix = new Matrix (5, 3, 9, 2, 2, 1);
matrix.Shear (10, 20);
Assert.AreEqual (185, matrix.Elements[0], "H#7");
Assert.AreEqual (43, matrix.Elements[1], "H#8");
Assert.AreEqual (59, matrix.Elements[2], "H#9");
Assert.AreEqual (32, matrix.Elements[3], "H#10");
Assert.AreEqual (2, matrix.Elements[4], "H#11");
Assert.AreEqual (1, matrix.Elements[5], "H#12");
}示例14: ProjectiveLetter
void ProjectiveLetter()
{
try
{
Bitmap bmp = new Bitmap(300, 200);
Graphics g = Graphics.FromImage(bmp);
g.Clear(Color.White);
g.TextRenderingHint = TextRenderingHint.ClearTypeGridFit; //设置文本输出的质量
g.SmoothingMode = SmoothingMode.AntiAlias; //消除绘制时出现的锯齿
Font font = new Font("宋体", 48);
Matrix martix = new Matrix();
martix.Shear(-1.4F, 0.0F); //设置投影
martix.Scale(1, 0.5F); //设置缩放
martix.Translate(168, 118); //设置平移
g.Transform = martix; //设置坐标平面变换
SolidBrush wordBrush = new SolidBrush(Color.Gray); //设置文字的画刷
SolidBrush shadowBrush = new SolidBrush(Color.SlateBlue); //设置投影的画刷
string str = "Test";
g.DrawString(str, font, wordBrush, new PointF(0, 60));
g.ResetTransform(); //变换矩阵重置为单位矩阵
g.DrawString(str, font, shadowBrush, new PointF(0, 60));
MemoryStream ms = new MemoryStream();
bmp.Save(ms, ImageFormat.Gif);
Response.ClearContent();
Response.ContentType = "image/Gif";
Response.BinaryWrite(ms.ToArray());
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
}示例15: Transform_Matrix
public void Transform_Matrix()
{
path = new GraphicsPath ();
path.AddLine (new Point (100, 100), new Point (200, 100));
path.AddLine (new Point (200, 200), new Point (10, 100));
path.StartFigure();
path.AddBezier( 10, 10, 50, 250, 100, 5, 200, 280);
path.StartFigure();
path.AddRectangle (new Rectangle (10, 20, 200, 200));
path.StartFigure();
path.AddLine (new Point (200, 200), new Point (200, 10));
Matrix matrix = new Matrix ();
matrix.Scale (1.2f, 1.4f);
matrix.Shear (0.9f, -1.15f);
matrix.Rotate (5);
path.Transform (matrix);
PointF [] expectedPoints = new PointF [] { new PointF(226.0865f, 5.313778f),
new PointF(355.0427f, -142.8718f),
new PointF(452.173f, 10.62756f),
new PointF(110.0259f, 138.6808f),
new PointF(22.60865f, 0.5313778f),
new PointF(307.3039f, 309.6555f),
new PointF(133.8127f, -140.5106f),
new PointF(529.8773f, 133.427f),
new PointF(32.32168f, 15.88131f),
new PointF(290.234f, -280.4898f),
new PointF(484.4947f, 26.50887f),
new PointF(226.5823f, 322.8799f),
new PointF(452.173f, 10.62756f),
new PointF(267.6254f, -281.0212f)};
for(int i = 0; i < path.PointCount; i++) {
DrawingTest.AssertAlmostEqual(expectedPoints [i], path.PathPoints [i]);
}
byte [] expectedTypes = new byte [] { (byte) PathPointType.Start,
(byte) PathPointType.Line,
(byte) PathPointType.Line,
(byte) PathPointType.Line,
(byte) PathPointType.Start,
(byte) PathPointType.Bezier3,
(byte) PathPointType.Bezier3,
(byte) PathPointType.Bezier3,
(byte) PathPointType.Start,
(byte) PathPointType.Line,
(byte) PathPointType.Line,
(byte) (PathPointType.Line | PathPointType.CloseSubpath),
(byte) PathPointType.Start,
(byte) PathPointType.Line};
for (int i=0; i < expectedTypes.Length; i++) {
Assert.AreEqual (expectedTypes [i], path.PathTypes [i]);
}
t.Graphics.DrawPath (p, path);
t.Show ();
//t.AssertCompare ();
}