Class EmfRecorderGraphics2D
Nama dari : Aspose.Imaging.FileFormats.Emf.Graphics Pengumpulan: Aspose.Imaging.dll (25.4.0)
Grafik Rekor Emf
public sealed class EmfRecorderGraphics2D : MetafileRecorderGraphics2DInheritance
object ← MetafileRecorderGraphics2D ← EmfRecorderGraphics2D
anggota yang diwarisi
MetafileRecorderGraphics2D.Clear() , MetafileRecorderGraphics2D.DrawArc(Pen, Rectangle, float, float) , MetafileRecorderGraphics2D.DrawCubicBezier(Pen, Point, Point, Point, Point) , MetafileRecorderGraphics2D.DrawPolyCubicBezier(Pen, Point[]) , MetafileRecorderGraphics2D.DrawEllipse(Pen, Rectangle) , MetafileRecorderGraphics2D.FillEllipse(Brush, Rectangle) , MetafileRecorderGraphics2D.DrawImage(RasterImage, Point) , MetafileRecorderGraphics2D.DrawImage(RasterImage, Rectangle, Rectangle, GraphicsUnit) , MetafileRecorderGraphics2D.DrawImage(byte[], Rectangle, GraphicsUnit) , MetafileRecorderGraphics2D.DrawImage(Stream, Rectangle, GraphicsUnit) , MetafileRecorderGraphics2D.DrawLine(Pen, int, int, int, int) , MetafileRecorderGraphics2D.DrawLine(Pen, Point, Point) , MetafileRecorderGraphics2D.DrawPolyline(Pen, Point[]) , MetafileRecorderGraphics2D.DrawPath(Pen, GraphicsPath) , MetafileRecorderGraphics2D.FillPath(Pen, Brush, GraphicsPath) , MetafileRecorderGraphics2D.DrawPie(Pen, Rectangle, float, float) , MetafileRecorderGraphics2D.FillPie(Brush, Rectangle, float, float) , MetafileRecorderGraphics2D.DrawPolygon(Pen, Point[]) , MetafileRecorderGraphics2D.FillPolygon(Brush, Point[]) , MetafileRecorderGraphics2D.FillPolygon(Brush, Point[], FillMode) , MetafileRecorderGraphics2D.DrawRectangle(Pen, int, int, int, int) , MetafileRecorderGraphics2D.DrawRectangle(Pen, Rectangle) , MetafileRecorderGraphics2D.FillRectangle(Brush, Rectangle) , MetafileRecorderGraphics2D.DrawString(string, Font, Color, int, int) , MetafileRecorderGraphics2D.DrawString(string, Font, Color, int, int, float) , MetafileRecorderGraphics2D.ExcludeClip(Rectangle) , MetafileRecorderGraphics2D.ExcludeClip(Region) , MetafileRecorderGraphics2D.IntersectClip(RectangleF) , MetafileRecorderGraphics2D.IntersectClip(Region) , MetafileRecorderGraphics2D.ResetClip() , MetafileRecorderGraphics2D.MultiplyTransform(Matrix) , MetafileRecorderGraphics2D.MultiplyTransform(Matrix, MatrixOrder) , MetafileRecorderGraphics2D.TranslateTransform(float, float) , MetafileRecorderGraphics2D.TranslateTransform(float, float, MatrixOrder) , MetafileRecorderGraphics2D.RotateTransform(float) , MetafileRecorderGraphics2D.RotateTransform(float, PointF, MatrixOrder) , MetafileRecorderGraphics2D.ScaleTransform(float, float) , MetafileRecorderGraphics2D.ScaleTransform(float, float, MatrixOrder) , MetafileRecorderGraphics2D.GetTransform() , MetafileRecorderGraphics2D.SetTransform(Matrix) , MetafileRecorderGraphics2D.Clip , MetafileRecorderGraphics2D.ClipBounds , MetafileRecorderGraphics2D.BackgroundColor , object.GetType() , object.ToString() , object.Equals(object?) , object.Equals(object?, object?) , object.ReferenceEquals(object?, object?) , object.GetHashCode()
Constructors
Perbedaan grafis2D(Ukuran, ukuran dan rektangle)
Initifikasi contoh baru dari Aspose.Imaging.FileFormats.Emf.Graphics.EmfRecorderGraphics2D kelas.
public EmfRecorderGraphics2D(Rectangle frame, Size deviceSize, Size deviceSizeMm)Parameters
frame Rectangle
dan kerangka.
deviceSize Size
Ukuran dari perangkat.
deviceSizeMm Size
Ukuran perangkat adalah mm.
Examples
Contoh ini menunjukkan bagaimana untuk membuat gambar EMF dan menggambar beberapa bentuk geometrik di atasnya menggunakan EmfRecorderGraphics2D.
string dir = "c:\\temp\\";
// The image size in pixels
int deviceWidth = 600;
int deviceHeight = 400;
// The image size in millimiters
int deviceWidthMm = (int)(deviceWidth / 100f);
int deviceHeightMm = (int)(deviceHeight / 100f);
Aspose.Imaging.Rectangle frame = new Aspose.Imaging.Rectangle(0, 0, deviceWidth, deviceHeight);
// Create a EMF image.
Aspose.Imaging.FileFormats.Emf.Graphics.EmfRecorderGraphics2D graphics =
new Aspose.Imaging.FileFormats.Emf.Graphics.EmfRecorderGraphics2D(
frame,
new Aspose.Imaging.Size(deviceWidth, deviceHeight),
new Aspose.Imaging.Size(deviceWidthMm, deviceHeightMm));
// Draw a black rectangle along the image borders using a 1-pixel-wide black pen.
graphics.DrawRectangle(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Black, 1), 0, 0, deviceWidth, deviceHeight);
// Fill a rectangle with the color of white-smoke.
graphics.FillRectangle(new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.WhiteSmoke), new Aspose.Imaging.Rectangle(10, 10, 580, 380));
// Draw two diagonal lines using a 1-pixel-wide darkgreen pen.
graphics.DrawLine(new Aspose.Imaging.Pen(Aspose.Imaging.Color.DarkGreen, 1), 0, 0, deviceWidth, deviceHeight);
graphics.DrawLine(new Aspose.Imaging.Pen(Aspose.Imaging.Color.DarkGreen, 1), 0, deviceHeight, deviceWidth, 0);
// Draw an arc within the rectangle {0, 0, 200, 200} using a 2-pixel-wide blue pen.
graphics.DrawArc(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Blue, 2), new Aspose.Imaging.Rectangle(0, 0, 200, 200), 90, 270);
// Fill an arc
graphics.FillPie(new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.LightSkyBlue), new Aspose.Imaging.Rectangle(0, 0, 150, 150), 90, 270);
// Draw a cubic bezier using a 2-pixel-wide red pen.
graphics.DrawCubicBezier(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Red, 2),
new Aspose.Imaging.Point(0, 0),
new Aspose.Imaging.Point(200, 133),
new Aspose.Imaging.Point(400, 166),
new Aspose.Imaging.Point(600, 400));
// Draw a raster image of the specified size at the specified location.
// The image is scaled to fit the desired rectangle.
using (Aspose.Imaging.RasterImage imageToDraw = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "sample.bmp"))
{
graphics.DrawImage(imageToDraw,
new Aspose.Imaging.Rectangle(400, 200, 100, 50),
new Aspose.Imaging.Rectangle(0, 0, deviceWidth, deviceHeight),
Aspose.Imaging.GraphicsUnit.Pixel);
}
// Draw a text string
graphics.DrawString("Hello World!", new Aspose.Imaging.Font("Arial", 48, Aspose.Imaging.FontStyle.Regular), Aspose.Imaging.Color.DarkRed, 200, 300);
// Create a path to fill
Aspose.Imaging.Figure figureToFill = new Aspose.Imaging.Figure();
figureToFill.IsClosed = true;
Aspose.Imaging.GraphicsPath pathToFill = new Aspose.Imaging.GraphicsPath();
pathToFill.AddFigure(figureToFill);
figureToFill.AddShapes(new Shape[]
{
new Aspose.Imaging.Shapes.ArcShape(new Aspose.Imaging.Rectangle(400, 0, 200, 100), 45, 300),
new Aspose.Imaging.Shapes.BezierShape(
new Aspose.Imaging.PointF[]
{
new Aspose.Imaging.PointF(300, 200),
new Aspose.Imaging.PointF(400, 200),
new Aspose.Imaging.PointF(500, 100),
new Aspose.Imaging.PointF(600, 200),
}),
new Aspose.Imaging.Shapes.PolygonShape(
new Aspose.Imaging.PointF[]
{
new Aspose.Imaging.PointF(300, 100),
}),
new Aspose.Imaging.Shapes.RectangleShape(new Aspose.Imaging.RectangleF(0, 100, 200, 200)),
});
// Fill the path using a yellow brush and a green pen to draw outline
graphics.FillPath(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Green, 2), new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.Yellow), pathToFill);
// Create a path to draw
Aspose.Imaging.GraphicsPath pathToDraw = new Aspose.Imaging.GraphicsPath();
Aspose.Imaging.Figure figureToDraw = new Aspose.Imaging.Figure();
pathToDraw.AddFigure(figureToDraw);
figureToDraw.AddShapes(new Aspose.Imaging.Shape[]
{
new Aspose.Imaging.Shapes.ArcShape(new Aspose.Imaging.RectangleF(200, 200, 200, 200), 0, 360),
});
// Draw the path using a 5-pixel-wide orange pen.
graphics.DrawPath(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Orange, 5), pathToDraw);
// In order to rasterize SVG we need to specify rasterization options.
Aspose.Imaging.ImageOptions.SvgRasterizationOptions rasterizationOptions = new Aspose.Imaging.ImageOptions.SvgRasterizationOptions();
Aspose.Imaging.ImageOptions.PngOptions saveOptions = new Aspose.Imaging.ImageOptions.PngOptions();
saveOptions.VectorRasterizationOptions = rasterizationOptions;
// Get the final WMF image which includes all drawing commands
using (Aspose.Imaging.FileFormats.Emf.EmfImage emfImage = graphics.EndRecording())
{
emfImage.Save(dir + "test.output.emf");
}Properties
BackgroundMode
Dapatkan atau menetapkan mode latar belakang.
public EmfBackgroundMode BackgroundMode { get; set; }Nilai Properti
Methods
EndRecording()
Akhirnya rekaman selesai.
public EmfImage EndRecording()Returns
gambar hasilnya.
Examples
Contoh ini menunjukkan bagaimana untuk membuat gambar EMF dan menggambar beberapa bentuk geometrik di atasnya menggunakan EmfRecorderGraphics2D.
string dir = "c:\\temp\\";
// The image size in pixels
int deviceWidth = 600;
int deviceHeight = 400;
// The image size in millimiters
int deviceWidthMm = (int)(deviceWidth / 100f);
int deviceHeightMm = (int)(deviceHeight / 100f);
Aspose.Imaging.Rectangle frame = new Aspose.Imaging.Rectangle(0, 0, deviceWidth, deviceHeight);
// Create a EMF image.
Aspose.Imaging.FileFormats.Emf.Graphics.EmfRecorderGraphics2D graphics =
new Aspose.Imaging.FileFormats.Emf.Graphics.EmfRecorderGraphics2D(
frame,
new Aspose.Imaging.Size(deviceWidth, deviceHeight),
new Aspose.Imaging.Size(deviceWidthMm, deviceHeightMm));
// Draw a black rectangle along the image borders using a 1-pixel-wide black pen.
graphics.DrawRectangle(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Black, 1), 0, 0, deviceWidth, deviceHeight);
// Fill a rectangle with the color of white-smoke.
graphics.FillRectangle(new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.WhiteSmoke), new Aspose.Imaging.Rectangle(10, 10, 580, 380));
// Draw two diagonal lines using a 1-pixel-wide darkgreen pen.
graphics.DrawLine(new Aspose.Imaging.Pen(Aspose.Imaging.Color.DarkGreen, 1), 0, 0, deviceWidth, deviceHeight);
graphics.DrawLine(new Aspose.Imaging.Pen(Aspose.Imaging.Color.DarkGreen, 1), 0, deviceHeight, deviceWidth, 0);
// Draw an arc within the rectangle {0, 0, 200, 200} using a 2-pixel-wide blue pen.
graphics.DrawArc(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Blue, 2), new Aspose.Imaging.Rectangle(0, 0, 200, 200), 90, 270);
// Fill an arc
graphics.FillPie(new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.LightSkyBlue), new Aspose.Imaging.Rectangle(0, 0, 150, 150), 90, 270);
// Draw a cubic bezier using a 2-pixel-wide red pen.
graphics.DrawCubicBezier(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Red, 2),
new Aspose.Imaging.Point(0, 0),
new Aspose.Imaging.Point(200, 133),
new Aspose.Imaging.Point(400, 166),
new Aspose.Imaging.Point(600, 400));
// Draw a raster image of the specified size at the specified location.
// The image is scaled to fit the desired rectangle.
using (Aspose.Imaging.RasterImage imageToDraw = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "sample.bmp"))
{
graphics.DrawImage(imageToDraw,
new Aspose.Imaging.Rectangle(400, 200, 100, 50),
new Aspose.Imaging.Rectangle(0, 0, deviceWidth, deviceHeight),
Aspose.Imaging.GraphicsUnit.Pixel);
}
// Draw a text string
graphics.DrawString("Hello World!", new Aspose.Imaging.Font("Arial", 48, Aspose.Imaging.FontStyle.Regular), Aspose.Imaging.Color.DarkRed, 200, 300);
// Create a path to fill
Aspose.Imaging.Figure figureToFill = new Aspose.Imaging.Figure();
figureToFill.IsClosed = true;
Aspose.Imaging.GraphicsPath pathToFill = new Aspose.Imaging.GraphicsPath();
pathToFill.AddFigure(figureToFill);
figureToFill.AddShapes(new Shape[]
{
new Aspose.Imaging.Shapes.ArcShape(new Aspose.Imaging.Rectangle(400, 0, 200, 100), 45, 300),
new Aspose.Imaging.Shapes.BezierShape(
new Aspose.Imaging.PointF[]
{
new Aspose.Imaging.PointF(300, 200),
new Aspose.Imaging.PointF(400, 200),
new Aspose.Imaging.PointF(500, 100),
new Aspose.Imaging.PointF(600, 200),
}),
new Aspose.Imaging.Shapes.PolygonShape(
new Aspose.Imaging.PointF[]
{
new Aspose.Imaging.PointF(300, 100),
}),
new Aspose.Imaging.Shapes.RectangleShape(new Aspose.Imaging.RectangleF(0, 100, 200, 200)),
});
// Fill the path using a yellow brush and a green pen to draw outline
graphics.FillPath(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Green, 2), new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.Yellow), pathToFill);
// Create a path to draw
Aspose.Imaging.GraphicsPath pathToDraw = new Aspose.Imaging.GraphicsPath();
Aspose.Imaging.Figure figureToDraw = new Aspose.Imaging.Figure();
pathToDraw.AddFigure(figureToDraw);
figureToDraw.AddShapes(new Aspose.Imaging.Shape[]
{
new Aspose.Imaging.Shapes.ArcShape(new Aspose.Imaging.RectangleF(200, 200, 200, 200), 0, 360),
});
// Draw the path using a 5-pixel-wide orange pen.
graphics.DrawPath(new Aspose.Imaging.Pen(Aspose.Imaging.Color.Orange, 5), pathToDraw);
// In order to rasterize SVG we need to specify rasterization options.
Aspose.Imaging.ImageOptions.SvgRasterizationOptions rasterizationOptions = new Aspose.Imaging.ImageOptions.SvgRasterizationOptions();
Aspose.Imaging.ImageOptions.PngOptions saveOptions = new Aspose.Imaging.ImageOptions.PngOptions();
saveOptions.VectorRasterizationOptions = rasterizationOptions;
// Get the final WMF image which includes all drawing commands
using (Aspose.Imaging.FileFormats.Emf.EmfImage emfImage = graphics.EndRecording())
{
emfImage.Save(dir + "test.output.emf");
}FromEmfImage(EmfImage)
Dapatkan contoh Aspose.Imaging.FileFormats.Emf.Graphics.EmfRecorderGraphics2D yang berisi semua rekaman dari gambar Emf.
public static EmfRecorderGraphics2D FromEmfImage(EmfImage emfImage)Parameters
emfImage EmfImage
Gambar Emf untuk membaca rekaman dari.
Returns
Contoh dari Aspose.Imaging.FileFormats.Emf.Graphics.EmfRecorderGraphics2D
Examples
Contoh ini menunjukkan cara memuat gambar EMF dari file dan menggambar string teks di atasnya.
string dir = "c:\\temp\\";
using (Aspose.Imaging.FileFormats.Emf.EmfImage emfImage = (Aspose.Imaging.FileFormats.Emf.EmfImage)Aspose.Imaging.Image.Load(dir + "test.emf"))
{
Aspose.Imaging.FileFormats.Emf.Graphics.EmfRecorderGraphics2D graphics =
Aspose.Imaging.FileFormats.Emf.Graphics.EmfRecorderGraphics2D.FromEmfImage(emfImage);
// First, get the image size
int width = emfImage.Width;
int height = emfImage.Height;
// Second, calculate a transformation to put a text string along the main diagonal of the image -
// from the upper-left to the bootom-right corner.
float emFontSize = 96f;
float d = (float)System.Math.Sqrt(width * width + height * height);
float scaleFactor = d / (emFontSize * 5f);
float tan = ((float)height) / width;
double radians = System.Math.Atan(tan);
double degrees = (180 * radians) / System.Math.PI;
Aspose.Imaging.Matrix transform = new Aspose.Imaging.Matrix();
transform.Rotate((float)degrees);
transform.Scale(scaleFactor, scaleFactor);
// Then, set the transform.
graphics.SetTransform(transform);
// Finally, put a watermark (text string of pink color) along the main diagonal.
graphics.DrawString("WATERMARK", new Aspose.Imaging.Font("Courier New", emFontSize), Aspose.Imaging.Color.LightPink, 0, 0/*, (float)degrees*/);
// Save the image with watermark to another EMF file.
using (Aspose.Imaging.FileFormats.Emf.EmfImage scaledEmfImage = graphics.EndRecording())
{
scaledEmfImage.Save(dir + "test.scaled.emf");
}
}