private void createImages(jsonAttribute eachatt, Transaction tr, ObjectId lyid)
{
Editor ed = Autodesk.AutoCAD.ApplicationServices.Core.Application.DocumentManager.MdiActiveDocument.Editor;
//produce the bitmap of the signature from base64 string
string imgPath = "temp.png";
try
{
//remove the header of the base64
var base64str = eachatt.imgbase64.Replace("data:image/png;base64,", "");
byte[] arr = Convert.FromBase64String(base64str);
using (MemoryStream ms = new MemoryStream(arr))
{
System.Drawing.Image streamImage = System.Drawing.Image.FromStream(ms);
streamImage.Save(imgPath, ImageFormat.Png);
}
}
catch (System.Exception ex)
{
ed.WriteMessage("\nBase64StringToImage failed ：" + ex.Message);
return;
}
try
{
//get block table and model space
Database db = HostApplicationServices.WorkingDatabase;
BlockTable bt = tr.GetObject(db.BlockTableId, OpenMode.ForWrite) as BlockTable;
BlockTableRecord msBtr = tr.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord;
//get the position of this attribute
string[] split = eachatt.position.Split(new Char[] { ',' });
double posX = Convert.ToDouble(split[0]);
double posY = Convert.ToDouble(split[1]);
double posZ = Convert.ToDouble(split[2]);
//get the range of this attribute
double fieldheight = Convert.ToDouble(eachatt.height);
double fieldwidth = Convert.ToDouble(eachatt.width_ratio) * fieldheight;
double field_center_x = posX + fieldwidth / 2;
double field_center_y = posY + fieldheight / 2;
//read the signature image
System.Drawing.Bitmap operateimage = new System.Drawing.Bitmap(imgPath);
System.Drawing.Color c;
double maxX = 0, minX = operateimage.Width;
double maxY = 0, minY = operateimage.Height;
ed.WriteMessage("\nbegin create block def for image");
ObjectId blkRecId = ObjectId.Null;
using (BlockTableRecord signatureBlkDef = new BlockTableRecord())
{
System.Guid guid = System.Guid.NewGuid();
//block definition name
signatureBlkDef.Name = "sigblk" + guid.ToString();
ArrayList ptArr = new ArrayList();
//each pixel color
for (int y = 0; y < operateimage.Height; y++)
{
for (int x = 0; x < operateimage.Width; x++)
{
c = operateimage.GetPixel(x, y);
if (c.R == 0 && c.G == 0 && c.B == 0 && c.A == 255)
{
Autodesk.AutoCAD.Geometry.Point3d pt = new Autodesk.AutoCAD.Geometry.Point3d(x, operateimage.Height - y, 0);
minY = y < minY ? y : minY;
maxY = y > maxY ? y : maxY;
minX = x < minX ? x : minX;
maxX = x > maxX ? x : maxX;
var sol =
new Solid(
new Point3d(pt.X, pt.Y, 0),
new Point3d(pt.X + 1, pt.Y, 0),
new Point3d(pt.X, pt.Y + 1, 0),
new Point3d(pt.X + 1, pt.Y + 1, 0)
);
//set the solid to the specific layer
sol.LayerId = lyid;
signatureBlkDef.AppendEntity(sol);
}
}
}
ed.WriteMessage("\ncreate and add block def");
signatureBlkDef.Origin = new Point3d((maxX + minX) / 2, operateimage.Height - (maxY + minY) / 2, 0);
bt.Add(signatureBlkDef);
tr.AddNewlyCreatedDBObject(signatureBlkDef, true);
//set the block definition to the specific layer
blkRecId = signatureBlkDef.Id;
ed.WriteMessage("\nend creating block def");
}
operateimage.Dispose();
//scale the signature to fit the field along X, Y
double blkscaleY = fieldheight / (maxY - minY) * 2;
double blkscaleX = (maxX - minX) / (maxY - minY) * blkscaleY;
ed.WriteMessage("\nto begin create block ref");
using (BlockReference acBlkRef = new BlockReference(new Point3d(field_center_x, field_center_y, 0), blkRecId))
{
acBlkRef.ScaleFactors = new Scale3d(blkscaleY, blkscaleY, 1);
acBlkRef.LayerId = lyid;
msBtr.AppendEntity(acBlkRef);
tr.AddNewlyCreatedDBObject(acBlkRef, true);
}
ed.WriteMessage("\nend of creating block ref");
}
catch (Autodesk.AutoCAD.Runtime.Exception ex) {
ed.WriteMessage("\nfailed to produce the image: " + ex.ToString());
}
}
private void createImages(jsonAttribute eachatt, Transaction tr, ObjectId lyid)
{
Editor ed = Autodesk.AutoCAD.ApplicationServices.Core.Application.DocumentManager.MdiActiveDocument.Editor;
//produce the bitmap of the signature from base64 string
string imgPath = "temp.png";
try
{
//remove the header of the base64
var base64str = eachatt.imgbase64.Replace("data:image/png;base64,", "");
byte[] arr = Convert.FromBase64String(base64str);
using (MemoryStream ms = new MemoryStream(arr))
{
System.Drawing.Image streamImage = System.Drawing.Image.FromStream(ms);
streamImage.Save(imgPath, ImageFormat.Png);
}
}
catch (System.Exception ex)
{
ed.WriteMessage("\nBase64StringToImage failed ：" + ex.Message);
return;
}
try
{
//get block table and model space
Database db = HostApplicationServices.WorkingDatabase;
BlockTable bt = tr.GetObject(db.BlockTableId, OpenMode.ForWrite) as BlockTable;
BlockTableRecord msBtr = tr.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord;
//get the position of this attribute
string[] split = eachatt.position.Split(new Char[] { ',' });
double posX = Convert.ToDouble(split[0]);
double posY = Convert.ToDouble(split[1]);
double posZ = Convert.ToDouble(split[2]);
//get the range of this attribute
double fieldheight = Convert.ToDouble(eachatt.height);
double fieldwidth = Convert.ToDouble(eachatt.width_ratio) * fieldheight;
double field_center_x = posX + fieldwidth / 2;
double field_center_y = posY + fieldheight / 2;
//read the signature image
System.Drawing.Bitmap operateimage = new System.Drawing.Bitmap(imgPath);
System.Drawing.Color c;
double maxX = 0, minX = operateimage.Width;
double maxY = 0, minY = operateimage.Height;
ed.WriteMessage("\nbegin create block def for image");
ObjectId blkRecId = ObjectId.Null;
using (BlockTableRecord signatureBlkDef = new BlockTableRecord())
{
System.Guid guid = System.Guid.NewGuid();
//block definition name
signatureBlkDef.Name = "sigblk" + guid.ToString();
ArrayList ptArr = new ArrayList();
//each pixel color
for (int y = 0; y < operateimage.Height; y++)
for (int x = 0; x < operateimage.Width; x++)
{
c = operateimage.GetPixel(x, y);
if (c.R == 0 && c.G == 0 && c.B == 0 && c.A == 255)
{
Autodesk.AutoCAD.Geometry.Point3d pt = new Autodesk.AutoCAD.Geometry.Point3d(x, operateimage.Height - y, 0);
minY = y < minY ? y : minY;
maxY = y > maxY ? y : maxY;
minX = x < minX ? x : minX;
maxX = x > maxX ? x : maxX;
var sol =
new Solid(
new Point3d(pt.X, pt.Y, 0),
new Point3d(pt.X + 1, pt.Y, 0),
new Point3d(pt.X, pt.Y + 1, 0),
new Point3d(pt.X + 1, pt.Y + 1, 0)
);
//set the solid to the specific layer
sol.LayerId = lyid;
signatureBlkDef.AppendEntity(sol);
}
}
ed.WriteMessage("\ncreate and add block def");
signatureBlkDef.Origin = new Point3d((maxX + minX) / 2, operateimage.Height - (maxY + minY) / 2, 0);
bt.Add(signatureBlkDef);
tr.AddNewlyCreatedDBObject(signatureBlkDef, true);
//set the block definition to the specific layer
blkRecId = signatureBlkDef.Id;
ed.WriteMessage("\nend creating block def");
}
operateimage.Dispose();
//scale the signature to fit the field along X, Y
double blkscaleY = fieldheight / (maxY - minY) * 2;
double blkscaleX = (maxX - minX) / (maxY - minY) * blkscaleY;
ed.WriteMessage("\nto begin create block ref");
using (BlockReference acBlkRef = new BlockReference(new Point3d(field_center_x, field_center_y, 0), blkRecId))
{
acBlkRef.ScaleFactors = new Scale3d(blkscaleY, blkscaleY, 1);
acBlkRef.LayerId = lyid;
msBtr.AppendEntity(acBlkRef);
tr.AddNewlyCreatedDBObject(acBlkRef, true);
}
ed.WriteMessage("\nend of creating block ref");
}
catch (Autodesk.AutoCAD.Runtime.Exception ex){
ed.WriteMessage("\nfailed to produce the image: " + ex.ToString());
}
}
/// <summary>
///
/// </summary>
/// <param name="isLocalTest">true: simulate an signature image to a json string. the example image is testsig.png</param>
void GenerateTBJson(bool isLocalTest = false)
{
Editor ed = Autodesk.AutoCAD.ApplicationServices.Core.Application.DocumentManager.MdiActiveDocument.Editor;
Database db = HostApplicationServices.WorkingDatabase;
Transaction tr = db.TransactionManager.StartTransaction();
try
{
ed.WriteMessage("\nbegin att checking");
// Build a filter list so that only block references are selected
TypedValue[] filList = new TypedValue[1] {
new TypedValue((int)DxfCode.Start, "INSERT")
};
SelectionFilter filter = new SelectionFilter(filList);
PromptSelectionResult res = ed.SelectAll(filter);
// Do nothing if selection is unsuccessful
if (res.Status != PromptStatus.OK)
{
return;
}
SelectionSet selSet = res.Value;
ObjectId[] idArray = selSet.GetObjectIds();
List <jsonAttribute> jsonDataArray = new List <jsonAttribute>();
ed.WriteMessage("\nbegin each checking");
foreach (ObjectId blkId in idArray)
{
BlockReference blkRef = (BlockReference)tr.GetObject(blkId, OpenMode.ForRead);
BlockTableRecord btr = (BlockTableRecord)tr.GetObject(blkRef.BlockTableRecord, OpenMode.ForRead);
ed.WriteMessage("\nBlock: " + btr.Name);
btr.Dispose();
AttributeCollection attCol = blkRef.AttributeCollection;
//attribute index
int index = 0;
foreach (ObjectId attId in attCol)
{
AttributeReference attRef = (AttributeReference)tr.GetObject(attId, OpenMode.ForRead);
if (attRef.Layer == "AM_BOR")
{
ed.WriteMessage("\nbegin: " + attRef.Tag);
string _height = attRef.Height.ToString();
string _tag = attRef.Tag;
int pFrom = _tag.IndexOf("{") + 1;
int pTo = _tag.LastIndexOf("}");
string _width_radio = _tag.Substring(pFrom, pTo - pFrom);
string _pos = attRef.Position.X.ToString() + "," +
attRef.Position.Y.ToString() + "," +
attRef.Position.Z.ToString();
string _cont = attRef.TextString;
var jsonData = new jsonAttribute()
{
tag = _tag,
height = _height,
width_ratio = _width_radio,
position = _pos,
content = _cont,
isImage = false,
imgbase64 = ""
};
//if this is to test an image locally
//only simulate the attribute in even index will be an image
if (isLocalTest && (index % 2 == 1))
{
jsonData.isImage = true;
jsonData.imgbase64 = imageToBase64();
}
jsonDataArray.Add(jsonData);
ed.WriteMessage("end: " + attRef.Tag);
index++;
}
//tag: {12.3} is the\ ratio of the defined width for the text to the text height. For example, if the text height is 5 units, and the width of the available space is 100 units, the value between the curly brackets is 20.
//http://knowledge.autodesk.com/support/autocad-mechanical/getting-started/caas/CloudHelp/cloudhelp/2015/ENU/AutoCAD-Mechanical/files/GUID-ADFE83F7-CE92-4996-8231-D3C5FD5A1A92-htm.html
}
}
tr.Commit();
var jsonDrawingInstance = new jsonDrawing()
{
tbjson = jsonDataArray.ToArray <jsonAttribute>()
};
// this is the Newtonsoft API method
string json_data = JsonConvert.SerializeObject(jsonDrawingInstance);
var jsonOut = Path.Combine(Helper.jsonfilename);
FileStream fs = new FileStream(jsonOut, FileMode.Create);
StreamWriter sw = new StreamWriter(fs);
try
{
sw.Write(json_data);
sw.Flush();
}
catch (System.Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message.ToString());
}
finally
{
sw.Close();
fs.Close();
}
ed.WriteMessage("\nend att checking");
}
catch (Autodesk.AutoCAD.Runtime.Exception ex)
{
ed.WriteMessage(("\nException: " + ex.Message));
return;
}
finally
{
tr.Dispose();
}
}
/// <summary>
///
/// </summary>
/// <param name="isLocalTest">true: simulate an signature image to a json string. the example image is testsig.png</param>
void GenerateTBJson(bool isLocalTest = false)
{
Editor ed = Autodesk.AutoCAD.ApplicationServices.Core.Application.DocumentManager.MdiActiveDocument.Editor;
Database db = HostApplicationServices.WorkingDatabase;
Transaction tr = db.TransactionManager.StartTransaction();
try
{
ed.WriteMessage("\nbegin att checking");
// Build a filter list so that only block references are selected
TypedValue[] filList = new TypedValue[1] {
new TypedValue((int)DxfCode.Start, "INSERT")
};
SelectionFilter filter = new SelectionFilter(filList);
PromptSelectionResult res = ed.SelectAll(filter);
// Do nothing if selection is unsuccessful
if (res.Status != PromptStatus.OK)
return;
SelectionSet selSet = res.Value;
ObjectId[] idArray = selSet.GetObjectIds();
List<jsonAttribute> jsonDataArray = new List<jsonAttribute>();
ed.WriteMessage("\nbegin each checking");
foreach (ObjectId blkId in idArray)
{
BlockReference blkRef = (BlockReference)tr.GetObject(blkId, OpenMode.ForRead);
BlockTableRecord btr = (BlockTableRecord)tr.GetObject(blkRef.BlockTableRecord, OpenMode.ForRead);
ed.WriteMessage("\nBlock: " + btr.Name);
btr.Dispose();
AttributeCollection attCol = blkRef.AttributeCollection;
//attribute index
int index = 0;
foreach (ObjectId attId in attCol)
{
AttributeReference attRef = (AttributeReference)tr.GetObject(attId, OpenMode.ForRead);
if (attRef.Layer == "AM_BOR")
{
ed.WriteMessage("\nbegin: " + attRef.Tag);
string _height = attRef.Height.ToString();
string _tag = attRef.Tag;
int pFrom = _tag.IndexOf("{") + 1;
int pTo = _tag.LastIndexOf("}");
string _width_radio = _tag.Substring(pFrom, pTo - pFrom);
string _pos = attRef.Position.X.ToString() + "," +
attRef.Position.Y.ToString() + "," +
attRef.Position.Z.ToString();
string _cont = attRef.TextString;
var jsonData = new jsonAttribute()
{
tag = _tag,
height = _height,
width_ratio = _width_radio,
position = _pos,
content = _cont,
isImage = false,
imgbase64 = ""
};
//if this is to test an image locally
//only simulate the attribute in even index will be an image
if (isLocalTest && (index%2==1))
{
jsonData.isImage = true;
jsonData.imgbase64 = imageToBase64();
}
jsonDataArray.Add(jsonData);
ed.WriteMessage("end: " + attRef.Tag);
index++;
}
//tag: {12.3} is the\ ratio of the defined width for the text to the text height. For example, if the text height is 5 units, and the width of the available space is 100 units, the value between the curly brackets is 20.
//http://knowledge.autodesk.com/support/autocad-mechanical/getting-started/caas/CloudHelp/cloudhelp/2015/ENU/AutoCAD-Mechanical/files/GUID-ADFE83F7-CE92-4996-8231-D3C5FD5A1A92-htm.html
}
}
tr.Commit();
var jsonDrawingInstance = new jsonDrawing()
{
tbjson = jsonDataArray.ToArray<jsonAttribute>()
};
// this is the Newtonsoft API method
string json_data = JsonConvert.SerializeObject(jsonDrawingInstance);
var jsonOut = Path.Combine(Helper.jsonfilename);
FileStream fs = new FileStream(jsonOut, FileMode.Create);
StreamWriter sw = new StreamWriter(fs);
try
{
sw.Write(json_data);
sw.Flush();
}
catch (System.Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message.ToString());
}
finally
{
sw.Close();
fs.Close();
}
ed.WriteMessage("\nend att checking");
}
catch (Autodesk.AutoCAD.Runtime.Exception ex)
{
ed.WriteMessage(("\nException: " + ex.Message));
return;
}
finally
{
tr.Dispose();
}
}