本文整理汇总了C#中System.Drawing.Drawing2D.GraphicsPath.Warp方法的典型用法代码示例。如果您正苦于以下问题：C# GraphicsPath.Warp方法的具体用法？C# GraphicsPath.Warp怎么用？C# GraphicsPath.Warp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.GraphicsPath的用法示例。
在下文中一共展示了GraphicsPath.Warp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: Form2_Paint
private void Form2_Paint(object sender, PaintEventArgs e)
{
//패스 그래디언트
Point[] pts = { new Point(100, 0), new Point(0, 100), new Point(200, 100) };
PathGradientBrush B = new PathGradientBrush(pts, WrapMode.Tile);
e.Graphics.FillRectangle(B, ClientRectangle);
//패스 그래디언트 끝
//패스변형
GraphicsPath Path = new GraphicsPath();
Path.AddString("한글", new FontFamily("궁서"), 0, 100, new Point(10, 30), new StringFormat());
//확장 후 외곽선 그리기
Path.Widen(new Pen(Color.Black, 3));
e.Graphics.DrawPath(Pens.Black, Path);
//확장 후 채우기
Path.Widen(new Pen(Color.Blue, 3));
e.Graphics.DrawPath(Pens.Black, Path);
//곡선 펴기
Path.Flatten(new Matrix(), 12f);
e.Graphics.DrawPath(Pens.Black, Path);
//회전
Matrix M = new Matrix();
M.Rotate(-10);
Path.Transform(M);
e.Graphics.FillPath(Brushes.Blue, Path);
//휘기
RectangleF R = Path.GetBounds();
PointF[] arPoint = new PointF[4];
arPoint[0] = new PointF(R.Left, R.Top + 30);
arPoint[1] = new PointF(R.Right, R.Top - 10);
arPoint[2] = new PointF(R.Left + 10, R.Bottom - 10);
arPoint[3] = new PointF(R.Right + 30, R.Bottom + 30);
Path.Warp(arPoint, R);
e.Graphics.FillPath(Brushes.Blue, Path);
//클리핑
//graphicspath path= new graphicspath();
//path.fillmode = fillmode.winding;
//path.addellipse(50, 10, 100, 80);
//path.addellipse(20, 45, 160, 120);
//e.graphics.fillpath(brushes.white, path);
//e.graphics.setclip(path);
//for (int y = 0; y < bottom; y+= 20)
//{
// string str = "눈사람의 모양의클리핑 영역에 글자를 쓴것입니다";
// e.graphics.drawstring(str, font, brushes.blue, 0, y);
//}
//클리핑 끝
}示例2: Build
public override Bitmap Build(string text)
{
var random = new Random();
var bitmap = new Bitmap
(Width, Height, PixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(bitmap);
g.SmoothingMode = SmoothingMode.AntiAlias;
var rect = new Rectangle(0, 0, Width, Height);
var hatchBrush = new HatchBrush(HatchStyle.SmallConfetti,
Color.LightGray, Color.White);
g.FillRectangle(hatchBrush, rect);
SizeF size;
float fontSize = rect.Height + 1;
Font font;
do
{
fontSize--;
font = new Font(FontFamily.GenericSansSerif, fontSize, FontStyle.Bold);
size = g.MeasureString(text, font);
} while (size.Width > rect.Width);
var format = new StringFormat {Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center};
var path = new GraphicsPath();
//path.AddString(this.text, font.FontFamily, (int) font.Style,
// font.Size, rect, format);
path.AddString(text, font.FontFamily, (int) font.Style, 75, rect, format);
float v = 4F;
PointF[] points =
{
new PointF(random.Next(rect.Width)/v, random.Next(
rect.Height)/v),
new PointF(rect.Width - random.Next(rect.Width)/v,
random.Next(rect.Height)/v),
new PointF(random.Next(rect.Width)/v,
rect.Height - random.Next(rect.Height)/v),
new PointF(rect.Width - random.Next(rect.Width)/v,
rect.Height - random.Next(rect.Height)/v)
};
var matrix = new Matrix();
matrix.Translate(0F, 0F);
path.Warp(points, rect, matrix, WarpMode.Perspective, 0F);
hatchBrush = new HatchBrush(HatchStyle.Percent10, Color.Black, Color.SkyBlue);
g.FillPath(hatchBrush, path);
int m = Math.Max(rect.Width, rect.Height);
for (int i = 0; i < (int) (rect.Width*rect.Height/30F); i++)
{
int x = random.Next(rect.Width);
int y = random.Next(rect.Height);
int w = random.Next(m/50);
int h = random.Next(m/50);
g.FillEllipse(hatchBrush, x, y, w, h);
}
font.Dispose();
hatchBrush.Dispose();
g.Dispose();
return bitmap;
}示例3: GenerateImage
private void GenerateImage()
{
Font font;
Bitmap bitmap = new Bitmap(width, height, (PixelFormat)0x26200a);
Graphics graphics = Graphics.FromImage(bitmap);
graphics.SmoothingMode = (SmoothingMode)4;
Rectangle rectangle = new Rectangle(0, 0, width, height);
HatchBrush brush = new HatchBrush((HatchStyle)0x22, Color.LightGray, Color.White);
graphics.FillRectangle(brush, rectangle);
float num = rectangle.Height + 1;
do
{
num--;
font = new Font(familyName, num, FontStyle.Bold);
}
while (graphics.MeasureString(text, font).Width > rectangle.Width);
StringFormat format = new StringFormat();
format.Alignment = (StringAlignment)1;
format.LineAlignment = (StringAlignment)1;
GraphicsPath path = new GraphicsPath();
path.AddString(text, font.FontFamily, (int)font.Style, font.Size, rectangle, format);
const float num2 = 4f;
PointF[] tfArray = new[] {
new PointF((random.Next(rectangle.Width)) / num2,(random.Next(rectangle.Height)) / num2),
new PointF(rectangle.Width - ((random.Next(rectangle.Width)) / num2),(random.Next(rectangle.Height) / num2)),
new PointF((random.Next(rectangle.Width)) / num2,rectangle.Height - ((random.Next(rectangle.Height)) / num2)),
new PointF(rectangle.Width - ((random.Next(rectangle.Width)) / num2),rectangle.Height - ((random.Next(rectangle.Height)) / num2))
};
Matrix matrix = new Matrix();
matrix.Translate(0f, 0f);
path.Warp(tfArray, rectangle, matrix, 0, 0f);
brush = new HatchBrush((HatchStyle)0x23, Color.LightGray, Color.DarkGray);
graphics.FillPath(brush, path);
int num3 = Math.Max(rectangle.Width, rectangle.Height);
for (int i = 0; i < (((rectangle.Width * rectangle.Height)) / 30f); i++)
{
int num5 = random.Next(rectangle.Width);
int num6 = random.Next(rectangle.Height);
int num7 = random.Next(num3 / 50);
int num8 = random.Next(num3 / 50);
graphics.FillEllipse(brush, num5, num6, num7, num8);
}
font.Dispose();
brush.Dispose();
graphics.Dispose();
Image = bitmap;
}示例4: Generate
/// <summary>
/// 生成验证码并储存验证码到会话中
/// </summary>
public virtual Image Generate(string key, int digits = DefaultDigits, string chars = null) {
// 生成验证码
var captchaCode = RandomUtils.RandomString(digits, "23456789ABCDEFGHJKLMNPQRSTUWXYZ");
var image = new Bitmap(digits * 20, 32);
var imageRect = new Rectangle(0, 0, image.Width, image.Height);
var font = new Font("Arial", 20, FontStyle.Regular);
var brush = new SolidBrush(Color.Black);
using (var graphic = Graphics.FromImage(image)) {
// 描画背景
HatchStyle backgroundStyle = (HatchStyle)RandomUtils.Generator.Next(18, 52);
while (!Enum.IsDefined(typeof(HatchStyle), backgroundStyle)) {
backgroundStyle = (HatchStyle)RandomUtils.Generator.Next(18, 52);
}
graphic.FillRectangle(
new HatchBrush(backgroundStyle, Color.Gray, Color.White), imageRect);
// 描画文本，然后不规则拉伸
GraphicsPath path = new GraphicsPath();
path.AddString(captchaCode, font.FontFamily, (int)font.Style, font.Size, imageRect,
new StringFormat()
{
Alignment = StringAlignment.Center,
LineAlignment = StringAlignment.Center
});
int padding = 5;
Func<int> randomPadding = () => RandomUtils.Generator.Next(padding);
var points = new PointF[] {
new PointF(randomPadding(), randomPadding()),
new PointF(image.Width - randomPadding(), randomPadding()),
new PointF(randomPadding(), image.Height - randomPadding()),
new PointF(image.Width - randomPadding(), image.Height - randomPadding()),
};
path.Warp(points, imageRect);
graphic.FillPath(
new HatchBrush(HatchStyle.LargeConfetti, Color.Black), path);
}
// 储存到会话，会话的过期时间最少是30分钟
var sessionManager = Application.Ioc.Resolve<SessionManager>();
var session = sessionManager.GetSession();
session.Items[SessionItemKeyPrefix + key] = captchaCode;
session.SetExpiresAtLeast(TimeSpan.FromMinutes(MakeSessionAliveAtLeast));
sessionManager.SaveSession();
// 返回图片对象
return image;
}示例5: Form1_Paint
private void Form1_Paint(object sender, PaintEventArgs e)
{
GraphicsPath Path = new GraphicsPath();
Path.AddString("한글", new FontFamily("궁서"), 0, 100,
new Point(10, 30), new StringFormat());
/* 확장 후 외곽선 그리기
Path.Widen(new Pen(Color.Black, 3));
e.Graphics.DrawPath(Pens.Black, Path);
//*/
/* 확장 후 채우기
Path.Widen(new Pen(Color.Black, 3));
e.Graphics.FillPath(Brushes.Blue, Path);
//*/
/* 곡선 펴기
Path.Flatten(new Matrix(), 12f);
e.Graphics.DrawPath(Pens.Black, Path);
//*/
/* 회전
Matrix M = new Matrix();
M.Rotate(-10);
Path.Transform(M);
e.Graphics.FillPath(Brushes.Blue, Path);
//*/
//* 휘기
RectangleF R = Path.GetBounds();
PointF[] arPoint = new PointF[4];
arPoint[0] = new PointF(R.Left, R.Top + 30);
arPoint[1] = new PointF(R.Right, R.Top - 10);
arPoint[2] = new PointF(R.Left + 10, R.Bottom - 10);
arPoint[3] = new PointF(R.Right + 30, R.Bottom + 30);
Path.Warp(arPoint, R);
e.Graphics.FillPath(Brushes.Blue, Path);
//*/
}示例6: Create
public override GraphicsPath Create(GraphicsPath path, XCaptcha.ICanvas canvas)
{
var random = new Random();
var rect = new Rectangle(0, 0, canvas.Width, canvas.Height);
const float wrapFactor = 8F;
PointF[] points =
{
new PointF(random.Next(rect.Width) / wrapFactor,random.Next(rect.Height) / wrapFactor),
new PointF(rect.Width - random.Next(rect.Width) / wrapFactor, random.Next(rect.Height) / wrapFactor),
new PointF(random.Next(rect.Width) / wrapFactor, rect.Height - random.Next(rect.Height) / wrapFactor),
new PointF(rect.Width - random.Next(rect.Width) / wrapFactor, rect.Height - random.Next(rect.Height) / wrapFactor)
};
var matrix = new Matrix();
matrix.Translate(0F, 0F);
path.Warp(points, rect, matrix, WarpMode.Perspective, 0F);
return path;
}示例7: GenerateImage
public void GenerateImage()
{
//---- WITHOUT an image for the background ------
// Create a new 32-bit bitmap image.
Bitmap bitmap = new Bitmap(this.width, this.height, PixelFormat.Format32bppArgb);
// Create a graphics object for drawing.
Graphics g = Graphics.FromImage(bitmap);
g.SmoothingMode = SmoothingMode.AntiAlias;
Rectangle rect = new Rectangle(0, 0, this.width, this.height);
// Fill in the background.
//HatchBrush hatchBrush = new HatchBrush(HatchStyle.SmallConfetti, ColorTranslator.FromHtml("#607f20"), ColorTranslator.FromHtml("#ffea00"));
//HatchBrush hatchBrush = new HatchBrush(HatchStyle.Trellis, ColorTranslator.FromHtml("#ffffff"), ColorTranslator.FromHtml("#607f20"));
HatchBrush hatchBrush = new HatchBrush(HatchStyle.SmallConfetti, Color.FromArgb(114,172,236), Color.FromArgb(161,214,255));
//Color.FromArgb(76,136,198) medium
//Color.FromArgb(0,79,136) dark
//Color.FromArgb(114,172,236) medium-light
//Color.FromArgb(135,188,254) light
//Color.FromArgb(161,214,255) really light
g.FillRectangle(hatchBrush, rect);
//---- WITH a background image ----------
//string bgpath = HttpContext.Current.Server.MapPath("CaptchaBG.bmp");
//Bitmap bitmap = new Bitmap(bgpath);
//Graphics g = Graphics.FromImage(bitmap);
//g.SmoothingMode = SmoothingMode.AntiAlias;
//HatchBrush hatchBrush = null;
//Rectangle rect = new Rectangle(0, 0, this.width, this.height);
//-----------------------------------------
// Set up the text font.
SizeF size;
float fontSize = this.height + 4;
Font font;
// Adjust the font size until the text fits within the image.
do
{
fontSize--;
font = new Font(this.familyName, fontSize, FontStyle.Bold);
size = g.MeasureString(this.text, font);
} while (size.Width > this.width);
// Set up the text format.
StringFormat format = new StringFormat();
format.Alignment = StringAlignment.Center;
format.LineAlignment = StringAlignment.Center;
// Create a path using the text and warp it randomly.
GraphicsPath path = new GraphicsPath();
path.AddString(this.text, font.FontFamily, (int)font.Style, font.Size, rect, format);
float v = 4F;
PointF[] points =
{
new PointF(random.Next(this.width) / v, random.Next(this.height) / v),
new PointF(this.width - random.Next(this.width) / v, random.Next(this.height) / v),
new PointF(random.Next(this.width) / v, this.height - random.Next(this.height) / v),
new PointF(this.width - random.Next(this.width) / v, this.height - random.Next(this.height) / v)
};
Matrix matrix = new Matrix();
matrix.Translate(0F, 0F);
path.Warp(points, rect, matrix, WarpMode.Perspective, 0F);
// Draw the text.
hatchBrush = new HatchBrush(HatchStyle.SmallConfetti, ColorTranslator.FromHtml("#000000"), ColorTranslator.FromHtml("#000000"));
// white numbers
// hatchBrush = new HatchBrush(HatchStyle.SmallConfetti, ColorTranslator.FromHtml("#ffffff"), ColorTranslator.FromHtml("#ffffff"));
// yellow numbers
//hatchBrush = new HatchBrush(HatchStyle.SmallConfetti, ColorTranslator.FromHtml("#ffea00"), ColorTranslator.FromHtml("#ffea00"));
g.FillPath(hatchBrush, path);
//// Add some random noise.
int m = Math.Max(this.width, this.height);
for (int i = 0; i < (int)(this.width * this.height / 30F); i++)
{
int x = random.Next(this.width);
int y = random.Next(this.height);
int w = random.Next(m / 50);
int h = random.Next(m / 50);
g.FillEllipse(hatchBrush, x, y, w, h);
}
// Clean up.
font.Dispose();
hatchBrush.Dispose();
g.Dispose();
// Set the image.
this.image = bitmap;
}示例8: GenerateImage
private void GenerateImage()
{
Bitmap bitmap = new Bitmap
(this.width, this.height, PixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(bitmap);
g.SmoothingMode = SmoothingMode.AntiAlias;
Rectangle rect = new Rectangle(0, 0, this.width, this.height);
HatchBrush hatchBrush = new HatchBrush(HatchStyle.SmallConfetti,
Color.LightGray, Color.White);
g.FillRectangle(hatchBrush, rect);
SizeF size;
float fontSize = rect.Height + 1;
Font font;
do
{
fontSize--;
font = new Font(FontFamily.GenericSansSerif, fontSize, FontStyle.Bold);
size = g.MeasureString(this.text, font);
} while (size.Width > rect.Width);
StringFormat format = new StringFormat();
format.Alignment = StringAlignment.Center;
format.LineAlignment = StringAlignment.Center;
GraphicsPath path = new GraphicsPath();
//path.AddString(this.text, font.FontFamily, (int) font.Style,
// font.Size, rect, format);
path.AddString(this.text, font.FontFamily, (int)font.Style, 75, rect, format);
float v = 4F;
PointF[] points =
{
new PointF(this.random.Next(rect.Width) / v, this.random.Next(
rect.Height) / v),
new PointF(rect.Width - this.random.Next(rect.Width) / v,
this.random.Next(rect.Height) / v),
new PointF(this.random.Next(rect.Width) / v,
rect.Height - this.random.Next(rect.Height) / v),
new PointF(rect.Width - this.random.Next(rect.Width) / v,
rect.Height - this.random.Next(rect.Height) / v)
};
Matrix matrix = new Matrix();
matrix.Translate(0F, 0F);
path.Warp(points, rect, matrix, WarpMode.Perspective, 0F);
hatchBrush = new HatchBrush(HatchStyle.Percent10, Color.Black, Color.SkyBlue);
g.FillPath(hatchBrush, path);
int m = Math.Max(rect.Width, rect.Height);
for (int i = 0; i < (int)(rect.Width * rect.Height / 30F); i++)
{
int x = this.random.Next(rect.Width);
int y = this.random.Next(rect.Height);
int w = this.random.Next(m / 50);
int h = this.random.Next(m / 50);
g.FillEllipse(hatchBrush, x, y, w, h);
}
font.Dispose();
hatchBrush.Dispose();
g.Dispose();
this.image = bitmap;
}示例9: WarpText
/// -----------------------------------------------------------------------------
/// <summary>
/// Warps the Text
/// </summary>
/// <param name="textPath">The Graphics Path for the text</param>
/// <param name="rect">a rectangle which defines the image</param>
/// <history>
/// [cnurse] 03/17/2006 created
/// </history>
/// -----------------------------------------------------------------------------
private static void WarpText(ref GraphicsPath textPath, Rectangle rect)
{
int intWarpDivisor;
var rectF = new RectangleF(0, 0, rect.Width, rect.Height);
intWarpDivisor = _Rand.Next(4, 8);
int intHrange = Convert.ToInt32(rect.Height/intWarpDivisor);
int intWrange = Convert.ToInt32(rect.Width/intWarpDivisor);
PointF p1 = RandomPoint(0, intWrange, 0, intHrange);
PointF p2 = RandomPoint(rect.Width - (intWrange - Convert.ToInt32(p1.X)), rect.Width, 0, intHrange);
PointF p3 = RandomPoint(0, intWrange, rect.Height - (intHrange - Convert.ToInt32(p1.Y)), rect.Height);
PointF p4 = RandomPoint(rect.Width - (intWrange - Convert.ToInt32(p3.X)), rect.Width, rect.Height - (intHrange - Convert.ToInt32(p2.Y)), rect.Height);
var points = new[] {p1, p2, p3, p4};
var m = new Matrix();
m.Translate(0, 0);
textPath.Warp(points, rectF, m, WarpMode.Perspective, 0);
}示例10: GenerateImage
/// <summary>
/// The generate image.
/// </summary>
private void GenerateImage()
{
var r = new Random();
// Create a new 32-bit bitmap image.
var bitmap = new Bitmap(this.width, this.height, PixelFormat.Format32bppArgb);
// Create a graphics object for drawing.
Graphics g = Graphics.FromImage(bitmap);
g.SmoothingMode = SmoothingMode.AntiAlias;
var rect = new Rectangle(0, 0, this.width, this.height);
var randomLineColor = this.random.Next(40) + 200;
// Fill in the background.
var hatchBrush = new HatchBrush(
HatchStyle.SmallConfetti, Color.FromArgb(randomLineColor, randomLineColor, randomLineColor), Color.White);
g.FillRectangle(hatchBrush, rect);
// Set up the text font.
SizeF size;
float fontSize = rect.Height + 1;
Font font;
// Adjust the font size until the text fits within the image.
do
{
fontSize--;
font = new Font(this.familyName, fontSize, FontStyle.Bold);
size = g.MeasureString(this.text, font);
}
while (size.Width > rect.Width);
// Set up the text format.
var format = new StringFormat();
format.Alignment = StringAlignment.Center;
format.LineAlignment = StringAlignment.Center;
// Create a path using the text and warp it randomly.
var path = new GraphicsPath();
path.AddString(this.text, font.FontFamily, (int)font.Style, font.Size, rect, format);
float v = 4F;
PointF[] points = {
new PointF(r.Next(rect.Width) / v, r.Next(rect.Height) / v),
new PointF(rect.Width - r.Next(rect.Width) / v, r.Next(rect.Height) / v),
new PointF(r.Next(rect.Width) / v, rect.Height - r.Next(rect.Height) / v),
new PointF(rect.Width - r.Next(rect.Width) / v, rect.Height - r.Next(rect.Height) / v)
};
var matrix = new Matrix();
matrix.Translate(0F, 0F);
path.Warp(points, rect, matrix, WarpMode.Perspective, 0F);
var randomColor = Color.FromArgb(
this.random.Next(100) + 100, this.random.Next(100) + 100, this.random.Next(100) + 100);
var randomBackground = Color.FromArgb(
20 + this.random.Next(100), 20 + this.random.Next(100), 20 + this.random.Next(100));
// Draw the text.
hatchBrush = new HatchBrush(HatchStyle.LargeConfetti, randomColor, randomBackground);
g.FillPath(hatchBrush, path);
// Add some random noise.
int m = Math.Max(rect.Width, rect.Height);
for (int i = 0; i < (int)(rect.Width * rect.Height / 30F); i++)
{
int x = r.Next(rect.Width);
int y = r.Next(rect.Height);
int w = r.Next(m / (this.random.Next(1000) + 50));
int h = r.Next(m / (this.random.Next(1000) + 50));
g.FillEllipse(hatchBrush, x, y, w, h);
}
double noise = this.random.Next(35) + 35;
int maxDim = Math.Max(rect.Width, rect.Height);
var radius = (int)(maxDim * noise / 3000);
var maxGran = (int)(rect.Width * rect.Height / (100 - (noise >= 90 ? 90 : noise)));
for (int i = 0; i < maxGran; i++)
{
g.FillEllipse(
hatchBrush,
this.random.Next(rect.Width),
this.random.Next(rect.Height),
this.random.Next(radius),
this.random.Next(radius));
}
double _lines = this.random.Next(25) + 15;
if (_lines > 0)
{
int lines = ((int)_lines / 30) + 1;
using (var pen = new Pen(hatchBrush, 1))
for (int i = 0; i < lines; i++)
{
var pointsLine = new PointF[lines > 2 ? lines - 1 : 2];
//.........这里部分代码省略.........
示例11: GenerateImage
private static void GenerateImage()
{
int width = 210, height = 70;
string familyName = "Arial";
string text = "";
string temp = "ABCDEFGHIJKLMNPQRSTUVWXYZ123456789";
for (int i = 0; i < 4; ++i) {
text += temp[rand.Next(temp.Length)];
}
// Create a new 32-bit bitmap image.
Bitmap bitmap = new Bitmap(
width,
height,
PixelFormat.Format32bppArgb);
// Create a graphics object for drawing.
Graphics g = Graphics.FromImage(bitmap);
g.SmoothingMode = SmoothingMode.AntiAlias;
Rectangle rect = new Rectangle(0, 0, width, height);
// Fill in the background.
HatchBrush hatchBrush = new HatchBrush(
HatchStyle.Shingle,
//Color.LightGray,
//Color.White);
Color.FromArgb(rand.Next(224, 256), rand.Next(224, 256), rand.Next(224, 256)),
Color.FromArgb(rand.Next(192, 224), rand.Next(192, 224), rand.Next(192, 224)));
g.FillRectangle(hatchBrush, rect);
// Set up the text font.
float fontSize = rect.Height;
Font font = new Font(familyName, fontSize, FontStyle.Bold);
SizeF size = g.MeasureString(text, font);
// Adjust the font size until the text fits within the image.
do {
fontSize--;
font = new Font(
familyName,
fontSize,
FontStyle.Bold);
size = g.MeasureString(text, font);
} while (size.Width > rect.Width);
// Set up the text format.
StringFormat format = new StringFormat();
format.Alignment = StringAlignment.Center;
format.LineAlignment = StringAlignment.Center;
// Create a path using the text and warp it randomly.
GraphicsPath path = new GraphicsPath();
path.AddString(text, font.FontFamily, (int)font.Style, font.Size, rect, format);
float v = 10;
PointF[] points ={
new PointF(rand.Next(rect.Width)/v-20,rand.Next(rect.Height)/v),
new PointF(rect.Width - rand.Next(rect.Width)/v-20,rand.Next(rect.Height)/v),
new PointF(rand.Next(rect.Width)/v-20,rect.Height - rand.Next(rect.Height)/v),
new PointF(rect.Width - rand.Next(rect.Width)/v-20,rect.Height - rand.Next(rect.Height)/v)
};
for (int i = 0; i < 1; ++i) {
System.Drawing.Drawing2D.Matrix matrix = new System.Drawing.Drawing2D.Matrix();
matrix.Translate(0F, 0F);
path.Warp(points, rect, matrix, WarpMode.Perspective, 0F);
}
// Draw the text.
hatchBrush = new HatchBrush(
HatchStyle.LargeConfetti,
//Color.DarkGray,
//Color.Black);
Color.FromArgb(rand.Next(64, 128), rand.Next(64, 128), rand.Next(64, 128)),
Color.FromArgb(rand.Next(0, 64), rand.Next(0, 64), rand.Next(0, 64)));
g.FillPath(hatchBrush, path);
// Add some random noise.
int m = Math.Max(rect.Width, rect.Height);
for (int i = 0; i < (int)(rect.Width * rect.Height / 30F); i++) {
int x = rand.Next(rect.Width);
int y = rand.Next(rect.Height);
int w = rand.Next(m / 50);
int h = rand.Next(m / 50);
g.FillEllipse(hatchBrush, x, y, w, h);
}
// Clean up.
font.Dispose();
hatchBrush.Dispose();
g.Dispose();
for (int i = 0; i < 1; ++i)
bitmap = wave(bitmap);
// Set the image.
//.........这里部分代码省略.........
示例12: Warp_EmptyMatrix
public void Warp_EmptyMatrix ()
{
PointF[] pts = new PointF[1] { new PointF (0, 0) };
GraphicsPath path = new GraphicsPath ();
path.AddPolygon (new Point[3] { new Point (5, 5), new Point (15, 5), new Point (10, 15) });
RectangleF r = new RectangleF (10, 20, 30, 40);
path.Warp (pts, r, new Matrix ());
CheckWrap (path);
}示例13: Wrap_Line
public void Wrap_Line ()
{
using (GraphicsPath gp = new GraphicsPath ()) {
gp.AddLine (new Point (1, 1), new Point (20, 20));
Assert.AreEqual (2, gp.PointCount, "PointCount-1");
PointF[] pts = new PointF[1] { new PointF (0, 0) };
RectangleF r = new RectangleF (10, 20, 30, 40);
gp.Warp (pts, r, new Matrix ());
Assert.AreEqual (2, gp.PointCount, "PointCount-2");
}
}示例14: Wrap_SinglePoint
public void Wrap_SinglePoint ()
{
using (GraphicsPath gp = new GraphicsPath ()) {
gp.AddLines (new Point[1] { new Point (1, 1) });
// Special case - a line with a single point is valid
Assert.AreEqual (1, gp.PointCount, "PointCount-1");
PointF[] pts = new PointF[1] { new PointF (0, 0) };
RectangleF r = new RectangleF (10, 20, 30, 40);
gp.Warp (pts, r, new Matrix ());
Assert.AreEqual (0, gp.PointCount, "PointCount-2");
}
}示例15: generateImage
private void generateImage()
{
if (!isDirty) return;
// Create a new 32-bit bitmap image.
Bitmap bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
// Create a graphics object for drawing.
using (Graphics g = Graphics.FromImage(bitmap))
{
g.SmoothingMode = SmoothingMode.AntiAlias;
Rectangle rect = new Rectangle(0, 0, width, height);
// Fill in the background.
HatchBrush hatchBrush = new HatchBrush(HatchStyle.SmallConfetti, backgroundDark, backgroundLight);
g.FillRectangle(hatchBrush, rect);
// Set up the text font.
SizeF size;
float fontSize = rect.Height + 1;
Font font;
// Adjust the font size until the text fits within the image.
do
{
fontSize--;
font = new Font(familyName, fontSize, fontStyle);
size = g.MeasureString(text, font);
} while (size.Width > rect.Width);
// Set up the text format.
StringFormat format = new StringFormat();
format.Alignment = StringAlignment.Center;
format.LineAlignment = StringAlignment.Center;
// Create a path using the text and warp it randomly.
GraphicsPath path = new GraphicsPath();
path.AddString(text, font.FontFamily, (int) font.Style, font.Size, rect, format);
Matrix matrix = new Matrix();
matrix.Translate(0F, 0F);
if (System.Environment.OSVersion.Platform != PlatformID.Unix)
{
float v = 4F;
PointF[] points =
{
new PointF(random.Next(rect.Width)/v, random.Next(rect.Height)/v),
new PointF(rect.Width - random.Next(rect.Width)/v, random.Next(rect.Height)/v),
new PointF(random.Next(rect.Width)/v, rect.Height - random.Next(rect.Height)/v),
new PointF(rect.Width - random.Next(rect.Width)/v, rect.Height - random.Next(rect.Height)/v)
};
path.Warp(points, rect, matrix, WarpMode.Perspective, 0F);
}
else
{
float xtr = (rect.Size.Width - size.Width)/2F+size.Width/10F;
float ytr = (rect.Size.Height - size.Height)/2F;
matrix.Rotate((float)random.NextDouble()*10F-5F);
matrix.Shear((float)random.NextDouble()*1F-0.5F,0F);
matrix.Translate(xtr,ytr);
path.Transform(matrix);
}
// Draw the text.
using (hatchBrush = new HatchBrush(HatchStyle.LargeConfetti, foregroundLight, foregroundDark))
{
g.FillPath(hatchBrush, path);
// Add some random noise.
int m = Math.Max(rect.Width, rect.Height);
for (int i = 0; i < (int) (rect.Width*rect.Height/30F); i++)
{
int x = random.Next(rect.Width);
int y = random.Next(rect.Height);
int w = random.Next(m/50);
int h = random.Next(m/50);
g.FillEllipse(hatchBrush, x, y, w, h);
}
}
// Clean up.
font.Dispose();
}
// Set the image.
image = bitmap;
isDirty = false;
}