private static void ImageClippingBoundary()
{
ImageDefinition imageDef = new ImageDefinition(@".\img\image02.jpg", "MyImage");
imageDef.ResolutionUnits = ImageResolutionUnits.Centimeters;
double width = imageDef.Width / imageDef.HorizontalResolution;
double height = imageDef.Height / imageDef.VerticalResolution;
Image image = new Image(imageDef, new Vector2(0, 0), width, height);
image.Rotation = 30;
// the coordinates of the clipping boundary are relative to the image with its actual dimensions and not to the width and height of its definition.
// this clipping boundary will only show the middle center of the image.
double x = width / 4;
double y = height / 4;
ClippingBoundary clip = new ClippingBoundary(x, y, 2 * x, 2 * y);
image.ClippingBoundary = clip;
DxfDocument doc = new DxfDocument();
doc.AddEntity(image);
doc.Save("image.dxf");
DxfDocument test = DxfDocument.Load("image.dxf");
test.Save("test.dxf");
}
private static void WriteImage()
{
ImageDefinition imageDefinition = new ImageDefinition("img\\image01.jpg");
Image image = new Image(imageDefinition, Vector3.Zero, 10, 10);
XData xdata1 = new XData(new ApplicationRegistry("netDxf"));
xdata1.XDataRecord.Add(new XDataRecord(XDataCode.String, "xData image position"));
xdata1.XDataRecord.Add(XDataRecord.OpenControlString);
xdata1.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionX, image.Position.X));
xdata1.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionY, image.Position.Y));
xdata1.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionZ, image.Position.Z));
xdata1.XDataRecord.Add(XDataRecord.CloseControlString);
image.XData.Add(xdata1);
//image.Normal = new Vector3(1, 1, 1);
//image.Rotation = 30;
// you can pass a name that must be unique for the image definiton, by default it will use the file name without the extension
ImageDefinition imageDef2 = new ImageDefinition("img\\image02.jpg", "MyImage");
Image image2 = new Image(imageDef2, new Vector3(0, 150, 0), 10, 10);
Image image3 = new Image(imageDef2, new Vector3(150, 150, 0), 10, 10);
// clipping boundary definition in local coordinates
ClippingBoundary clip = new ClippingBoundary(100, 100, 500, 300);
image.ClippingBoundary = clip;
// set to null to restore the default clipping boundary (full image)
image.ClippingBoundary = null;
// images can be part of a block definition
Block block = new Block("ImageBlock");
block.Entities.Add(image2);
block.Entities.Add(image3);
Insert insert = new Insert(block, new Vector3(0, 100, 0));
DxfDocument dxf = new DxfDocument();
dxf.AddEntity(image);
//dxf.AddEntity(image2);
//dxf.AddEntity(image3);
dxf.AddEntity(insert);
dxf.Save("image.dxf");
dxf = DxfDocument.Load("image.dxf");
dxf.DrawingVariables.AcadVer = DxfVersion.AutoCad2010;
dxf.Save("test.dxf");
//dxf.RemoveEntity(image2);
//dxf.Save("image2.dxf");
//dxf.RemoveEntity(image3);
//dxf.RemoveEntity(image);
//dxf.Save("image3.dxf");
}