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FormatPNG.cs
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FormatPNG.cs
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// Name: FormatPNG.cs
// Description: Image generation
// Author: Tim Chipman
// Origination: Work performed for BuildingSmart by Constructivity.com LLC.
// Copyright: (c) 2012 BuildingSmart International Ltd.
// License: http://www.buildingsmart-tech.org/legal
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Text;
using IfcDoc.Schema.DOC;
namespace IfcDoc.Format.PNG
{
class FormatPNG
{
public const int CY = 12; // height of each attribute
public const int CX = 200; // width of each entity and gap
public const int DX = 32; // horizontal gap between each entity
const int Border = 8; // indent
const double Factor = 0.375;// 0.375;
/// <summary>
/// Creates list of attributes for entity and supertypes.
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public static void BuildAttributeList(DocEntity entity, List<DocAttribute> list, Dictionary<string, DocObject> map)
{
DocObject docBase = null;
if (entity.BaseDefinition != null && map.TryGetValue(entity.BaseDefinition, out docBase))
{
BuildAttributeList((DocEntity)docBase, list, map);
}
foreach (DocAttribute docAttr in entity.Attributes)
{
if (!String.IsNullOrEmpty(docAttr.Derived))
{
// remove existing
foreach (DocAttribute exist in list)
{
if (exist.Name.Equals(docAttr.Name))
{
list.Remove(exist);
break;
}
}
}
else
{
list.Add(docAttr);
}
}
}
private static void DrawAttribute(Graphics g, int lane, List<int> lanes, DocEntity docEntity, DocModelView docView, DocModelRuleAttribute ruleAttribute, Dictionary<string, DocObject> map, int offset, Dictionary<Rectangle, DocModelRule> layout, DocProject docProject)
{
int x = lane * CX + FormatPNG.Border;
int y = lanes[lane] + FormatPNG.Border;
// find the index of the attribute
List<DocAttribute> listAttr = new List<DocAttribute>();
BuildAttributeList(docEntity, listAttr, map);
int iAttr = -1;
for (int i = 0; i < listAttr.Count; i++)
{
if (listAttr[i].Name.Equals(ruleAttribute.Name))
{
// found it
iAttr = i;
break;
}
}
if (iAttr >= 0)
{
DocAttribute docAttr = listAttr[iAttr];
// map it
foreach (DocModelRule ruleEach in ruleAttribute.Rules)
{
if (ruleEach is DocModelRuleEntity)
{
DocModelRuleEntity ruleEntity = (DocModelRuleEntity)ruleEach;
DocObject docObj = null;
if (map.TryGetValue(ruleEntity.Name, out docObj))
{
int dest = FormatPNG.Border;
if (lanes.Count > lane + 1)
{
dest = lanes[lane + 1] + FormatPNG.Border;
}
if (docObj is DocEntity)
{
DocEntity docEntityTarget = (DocEntity)docObj;
// resolve inverse attribute
List<DocAttribute> listTarget = new List<DocAttribute>();
BuildAttributeList(docEntityTarget, listTarget, map);
for (int i = 0; i < listTarget.Count; i++)
{
DocAttribute docAttrTarget = listTarget[i];
if (docAttr.Inverse != null && docAttrTarget.Name.Equals(docAttr.Inverse))
{
// found it
dest += CY * (i + 1);
break;
}
else if (docAttrTarget.Inverse != null && docAttr.Name.Equals(docAttrTarget.Inverse))
{
//...also need to check for type compatibility
bool found = false;
DocEntity docTest = docEntity;
while (docTest != null)
{
if (docTest.Name.Equals(docAttrTarget.DefinedType))
{
found = true;
break;
}
if (docTest.BaseDefinition == null)
break;
DocObject docBase = null;
if (map.TryGetValue(docTest.BaseDefinition, out docBase))
{
docTest = docBase as DocEntity;
}
else
{
break;
}
}
// found it
if (found)
{
dest += CY * (i + 1);
break;
}
}
}
// draw the entity, recurse
DrawEntity(g, lane + 1, lanes, docEntityTarget, docView, null, ruleEntity, map, layout, docProject);
}
else
{
int targetY = lanes[lane + 1] + FormatPNG.Border;
if (g != null)
{
g.FillRectangle(Brushes.Black, x + CX, targetY, CX - DX, CY);
g.DrawRectangle(Pens.Black, x + CX, targetY, CX - DX, CY);
using (Font font = new Font(FontFamily.GenericSansSerif, 8.0f))
{
string content = docObj.Name;
foreach (DocModelRule ruleConstraint in ruleEntity.Rules)
{
if (ruleConstraint.Description != null && ruleConstraint.Description.StartsWith("Value="))
{
content = ruleConstraint.Description.Substring(6);
using (StringFormat fmt = new StringFormat())
{
fmt.Alignment = StringAlignment.Far;
g.DrawString(content, font, Brushes.White, new RectangleF(x + CX, targetY, CX - DX, CY), fmt);
}
}
}
g.DrawString(docObj.Name, font, Brushes.White, x + CX, targetY);
if (ruleEntity.Identification == "Value")
{
// mark rule serving as default value
g.FillEllipse(Brushes.Green, new Rectangle(x + CX - DX - CY, y, CY, CY));
}
}
}
// record rectangle
if (layout != null)
{
layout.Add(new Rectangle(x + CX, targetY, CX - DX, CY), ruleEntity);
}
// increment lane offset for all lanes
int minlane = targetY + CY * 2;
int i = lane + 1;
if (lanes[i] < minlane)
{
lanes[i] = minlane;
}
}
// draw arrow
if (g != null)
{
int x0 = x + CX - DX;
int y0 = y + CY * (iAttr + 1) + CY / 2;
int x1 = x + CX;
int y1 = dest + CY / 2;
int xM = x0 + DX / 2 - offset * 2;
if(!String.IsNullOrEmpty(ruleAttribute.Identification))
{
// mark the attribute as using parameter
g.DrawRectangle(Pens.Blue, x, y + CY * (iAttr + 1), CX - DX, CY);
}
g.DrawLine(Pens.Black, x0, y0, xM, y0);
g.DrawLine(Pens.Black, xM, y0, xM, y1);
g.DrawLine(Pens.Black, xM, y1, x1, y1);
}
}
}
}
if (g != null && ruleAttribute.Identification == "Name")
{
// mark rule serving as default name
g.FillEllipse(Brushes.Blue, new Rectangle(x + CX - DX - CY, y + CY * (iAttr+1), CY, CY));
}
}
}
/// <summary>
/// Draws entity and recurses.
/// </summary>
/// <param name="g">Graphics device.</param>
/// <param name="lane">Horizontal lane for which to draw the entity.</param>
/// <param name="lanes">List of lanes left-to-right.</param>
/// <param name="docEntity">The entity to draw.</param>
/// <param name="docView">The model view for which to draw the entity.</param>
/// <param name="docTemplate">The template to draw.</param>
/// <param name="docRule">Optional rule for recursing.</param>
/// <param name="map">Map of definitions.</param>
/// <param name="layout">Optional layout to receive rectangles for building image map</param>
private static void DrawEntity(
Graphics g,
int lane,
List<int> lanes,
DocEntity docEntity,
DocModelView docView,
DocTemplateDefinition docTemplate,
DocModelRuleEntity docRule,
Dictionary<string, DocObject> map,
Dictionary<Rectangle, DocModelRule> layout,
DocProject docProject)
{
List<DocAttribute> listAttr = new List<DocAttribute>();
BuildAttributeList(docEntity, listAttr, map);
while(lanes.Count < lane + 1)
{
int miny = 0;
if (lanes.Count > lane)
{
miny = lanes[lane];
}
lanes.Add(miny);
}
int x = lane * CX + FormatPNG.Border;
int y = lanes[lane] + FormatPNG.Border;
if (g != null)
{
if (docEntity.IsAbstract())
{
g.FillRectangle(Brushes.Gray, x, y, CX - DX, CY);
}
else
{
g.FillRectangle(Brushes.Black, x, y, CX - DX, CY);
}
g.DrawRectangle(Pens.Black, x, y, CX - DX, CY);
using (Font font = new Font(FontFamily.GenericSansSerif, 8.0f, FontStyle.Bold))
{
g.DrawString(docEntity.Name, font, Brushes.White, x, y);
}
if (docRule != null && docRule.Identification == "Value")
{
// mark rule serving as default value
g.FillEllipse(Brushes.Green, new Rectangle(x + CX - DX - CY, y, CY, CY));
}
g.DrawRectangle(Pens.Black, x, y + CY, CX - DX, CY * listAttr.Count);
using (Font font = new Font(FontFamily.GenericSansSerif, 8.0f, FontStyle.Regular))
{
for (int iAttr = 0; iAttr < listAttr.Count; iAttr++)
{
DocAttribute docAttr = listAttr[iAttr];
string display = docAttr.GetAggregationExpression();
Brush brush = Brushes.Black;
if (docAttr.Inverse != null)
{
brush = Brushes.Gray;
}
g.DrawString(docAttr.Name, font, brush, x, y + CY * (iAttr + 1));
using (StringFormat fmt = new StringFormat())
{
fmt.Alignment = StringAlignment.Far;
g.DrawString(display, font, brush, new RectangleF(x, y + CY * (iAttr + 1), CX - DX, CY), fmt);
}
}
}
}
// record rectangle
if (layout != null)
{
layout.Add(new Rectangle(x, y, CX - DX, CY + CY * listAttr.Count), docRule);
}
SortedList<int, List<DocModelRuleAttribute>> mapAttribute = new SortedList<int, List<DocModelRuleAttribute>>();
Dictionary<DocModelRuleAttribute, DocTemplateDefinition> mapTemplate = new Dictionary<DocModelRuleAttribute,DocTemplateDefinition>();
if (docRule != null && docRule.Rules != null)
{
// map inner rules
// sort
foreach (DocModelRule rule in docRule.Rules)
{
if (rule is DocModelRuleAttribute)
{
DocModelRuleAttribute ruleAttribute = (DocModelRuleAttribute)rule;
for (int i = 0; i < listAttr.Count; i++)
{
if (listAttr[i].Name.Equals(ruleAttribute.Name))
{
// found it
if (!mapAttribute.ContainsKey(i))
{
mapAttribute.Add(i, new List<DocModelRuleAttribute>());
}
mapAttribute[i].Add(ruleAttribute);
break;
}
}
}
}
}
else if (docTemplate != null)
{
if (docTemplate.Rules != null)
{
foreach (DocModelRuleAttribute ruleAttribute in docTemplate.Rules)
{
for (int i = 0; i < listAttr.Count; i++)
{
if (listAttr[i].Name.Equals(ruleAttribute.Name))
{
// found it
//iAttr = i;
if (!mapAttribute.ContainsKey(i))
{
mapAttribute.Add(i, new List<DocModelRuleAttribute>());
}
mapAttribute[i].Add(ruleAttribute);
break;
}
}
}
}
}
else
{
// map each use definition at top-level
// build from inherited entities too
List<DocTemplateDefinition> listTemplates = new List<DocTemplateDefinition>(); // keep track of templates so we don't repeat at supertypes
DocEntity docEntitySuper = docEntity;
while(docEntitySuper != null)
{
foreach (DocModelView docEachView in docProject.ModelViews)
{
if (docView == null || docView == docEachView)//docView.Visible)
{
foreach (DocConceptRoot docRoot in docEachView.ConceptRoots)
{
if (docRoot.ApplicableEntity == docEntitySuper)
{
foreach (DocTemplateUsage docUsage in docRoot.Concepts)
{
if (docUsage.Definition != null && docUsage.Definition.Rules != null && !listTemplates.Contains(docUsage.Definition))
{
listTemplates.Add(docUsage.Definition);
foreach (DocModelRuleAttribute ruleAttribute in docUsage.Definition.Rules)
{
for (int i = 0; i < listAttr.Count; i++)
{
if (listAttr[i].Name.Equals(ruleAttribute.Name))
{
// found it
if (!mapAttribute.ContainsKey(i))
{
mapAttribute.Add(i, new List<DocModelRuleAttribute>());
}
mapAttribute[i].Add(ruleAttribute);
if (!mapTemplate.ContainsKey(ruleAttribute))
{
mapTemplate.Add(ruleAttribute, docUsage.Definition);
}
break;
}
}
}
}
}
}
}
}
}
DocObject docTest = null;
if (docEntitySuper.BaseDefinition != null && map.TryGetValue(docEntitySuper.BaseDefinition, out docTest))
{
docEntitySuper = docTest as DocEntity;
}
else
{
docEntitySuper = null;
}
}
}
int offset = -mapAttribute.Values.Count / 2;
DocTemplateDefinition lastTemplate = null;
foreach (List<DocModelRuleAttribute> listSort in mapAttribute.Values)
{
if (docRule == null && docTemplate == null)
{
// offset all lanes
int maxlane = 0;
for (int i = 1; i < lanes.Count; i++)
{
if (lanes[i] > maxlane)
{
maxlane = lanes[i];
}
}
for (int i = 1; i < lanes.Count; i++)
{
lanes[i] = maxlane;
}
}
foreach (DocModelRuleAttribute ruleAttributeSort in listSort)
{
// indicate each template
DocTemplateDefinition eachTemplate = null;
if (mapTemplate.TryGetValue(ruleAttributeSort, out eachTemplate))
{
// offset for use definition
int minlan = 0;
for (int i = 1; i < lanes.Count; i++)
{
if (eachTemplate != lastTemplate)
{
lanes[i] += CY * 2;
}
if (lanes[i] > minlan)
{
minlan = lanes[i];
}
}
// verify this...
for (int i = 1; i < lanes.Count; i++)
{
if (lanes[i] < minlan)
{
lanes[i] = minlan;
}
}
if (g != null && eachTemplate != lastTemplate)
{
using (Font font = new Font(FontFamily.GenericSansSerif, 8.0f, FontStyle.Italic))
{
g.DrawString(eachTemplate.Name, font, Brushes.Gray, CX + FormatPNG.Border, lanes[1] - CY * 2 + FormatPNG.Border);
}
int lineY = lanes[1] - CY * 2 + FormatPNG.Border;
g.DrawLine(Pens.Gray, CX + FormatPNG.Border, lineY, 1920, lineY);
}
lastTemplate = eachTemplate;
}
DrawAttribute(g, lane, lanes, docEntity, docView, ruleAttributeSort, map, offset, layout, docProject);
}
offset++;
}
// increment lane offset
int minlane = y + CY * (listAttr.Count + 2);
if (lanes[lane] < minlane)
{
lanes[lane] = minlane;
}
}
/// <summary>
/// Creates an entity diagram from use definitions.
/// </summary>
/// <param name="docEntity"></param>
/// <returns></returns>
internal static Image CreateEntityDiagram(DocEntity docEntity, DocModelView docView, Dictionary<string, DocObject> map, Dictionary<Rectangle, DocModelRule> layout, DocProject docProject)
{
layout.Clear();
List<int> lanes = new List<int>(); // keep track of position offsets in each lane
for (int i = 0; i < 16; i++)
{
lanes.Add(0);
}
// determine boundaries
DrawEntity(null, 0, lanes, docEntity, docView, null, null, map, layout, docProject);
Rectangle rcBounds = Rectangle.Empty;
foreach (Rectangle rc in layout.Keys)
{
if (rc.Right > rcBounds.Width)
{
rcBounds.Width = rc.Right;
}
if (rc.Bottom > rcBounds.Bottom)
{
rcBounds.Height = rc.Bottom;
}
}
rcBounds.Width += FormatPNG.Border;
rcBounds.Height += FormatPNG.Border;
Image image = new Bitmap(rcBounds.Width, rcBounds.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
using (Graphics g = Graphics.FromImage(image))
{
g.FillRectangle(Brushes.White, new Rectangle(0, 0, image.Width, image.Height));
layout.Clear();
lanes = new List<int>(); // keep track of position offsets in each lane
for (int i = 0; i < 16; i++)
{
lanes.Add(0);
}
DrawEntity(g, 0, lanes, docEntity, docView, null, null, map, layout, docProject);
g.DrawRectangle(Pens.Black, 0, 0, rcBounds.Width - 1, rcBounds.Height - 1);
}
return image;
}
/// <summary>
/// Creates an instance diagram for a template.
/// </summary>
/// <param name="docTemplate"></param>
/// <returns></returns>
internal static Image CreateTemplateDiagram(DocTemplateDefinition docTemplate, Dictionary<string, DocObject> map, Dictionary<Rectangle, DocModelRule> layout, DocProject docProject)
{
DocObject docTarget = null;
if (docTemplate.Type == null || !map.TryGetValue(docTemplate.Type, out docTarget) || !(docTarget is DocEntity))
return null;
DocEntity docEntity = (DocEntity)docTarget;
// first, determine bounds of drawing
List<int> lanes = new List<int>(); // keep track of position offsets in each lane
for (int i = 0; i < 16; i++)
{
lanes.Add(0);
}
layout.Clear();
DrawEntity(null, 0, lanes, docEntity, null, docTemplate, null, map, layout, docProject);
Rectangle rcBounds = new Rectangle();
foreach(Rectangle rc in layout.Keys)
{
if(rc.Right > rcBounds.Right)
{
rcBounds.Width = rc.Right;
}
if(rc.Bottom > rcBounds.Bottom)
{
rcBounds.Height = rc.Bottom;
}
}
rcBounds.Width += FormatPNG.Border;
rcBounds.Height += FormatPNG.Border;
Image image = new Bitmap(rcBounds.Width, rcBounds.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
using (Graphics g = Graphics.FromImage(image))
{
g.FillRectangle(Brushes.White, new Rectangle(0, 0, image.Width, image.Height));
lanes = new List<int>(); // keep track of position offsets in each lane
for (int i = 0; i < 16; i++)
{
lanes.Add(0);
}
layout.Clear();
DrawEntity(g, 0, lanes, docEntity, null, docTemplate, null, map, layout, docProject);
g.DrawRectangle(Pens.Black, 0, 0, rcBounds.Width - 1, rcBounds.Height - 1);
}
return image;
}
private static void DrawRoundedRectangle(Graphics g, Rectangle rc, int radius, Pen pen, Brush brush)
{
GraphicsPath path = new GraphicsPath();
path.AddArc(rc.X, rc.Y, radius, radius, 180.0f, 90.0f);
path.AddArc(rc.X + rc.Width - radius, rc.Y, radius, radius, 270.0f, 90.0f);
path.AddArc(rc.X + rc.Width - radius, rc.Y + rc.Height - radius, radius, radius, 0.0f, 90.0f);
path.AddArc(rc.X, rc.Y + rc.Height - radius, radius, radius, 90.0f, 90);
path.CloseAllFigures();
g.FillPath(brush, path);
g.DrawPath(pen, path);
}
internal static Image CreateSchemaDiagram(DocSchema docSchema, Dictionary<string, DocObject> map)
{
float pageX = (float)CtlExpressG.PageX;
float pageY = (float)CtlExpressG.PageY;
int cDiagrams = docSchema.GetDiagramCount();
int cPagesY = docSchema.DiagramPagesVert;
int cPagesX = docSchema.DiagramPagesHorz;
if(cPagesX == 0 || cPagesY == 0)
{
// fallback if using earlier version without diagram info
cPagesX = cDiagrams;
cPagesY = 1;
if (cPagesX == 0)
cPagesX = 1;
}
int xTotal = cPagesX * (int)pageX;
int yTotal = cPagesY * (int)pageY;
Image image = new Bitmap(xTotal, yTotal, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
using (Graphics g = Graphics.FromImage(image))
{
Pen penDash = new Pen(System.Drawing.Color.Black);
penDash.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
using (penDash)
{
g.FillRectangle(Brushes.White, new Rectangle(0, 0, image.Width, image.Height));
for (float x = 0; x <= image.Width; x += pageX)
{
g.DrawLine(Pens.Green, new PointF(x-1, 0.0f), new PointF(x-1, (float)image.Height - 1.0f));
g.DrawLine(Pens.Green, new PointF(x, 0.0f), new PointF(x, (float)image.Height - 1.0f));
}
for (float y = 0; y <= image.Height; y += pageY)
{
g.DrawLine(Pens.Green, new PointF(0.0f, y-1), new PointF((float)image.Width - 1.0f, y-1));
g.DrawLine(Pens.Green, new PointF(0.0f, y), new PointF((float)image.Width - 1.0f, y));
}
StringFormat sf = new StringFormat(StringFormat.GenericDefault);
sf.Alignment = StringAlignment.Center;
sf.LineAlignment = StringAlignment.Center;
using (Font font = new Font(FontFamily.GenericSansSerif, 7.0f))
{
using (Font fontBold = new Font(font, FontStyle.Bold))
{
foreach (DocType docType in docSchema.Types)
{
if (docType.DiagramRectangle != null)
{
Rectangle rc = new Rectangle(
(int)(docType.DiagramRectangle.X * Factor),
(int)(docType.DiagramRectangle.Y * Factor),
(int)(docType.DiagramRectangle.Width * Factor),
(int)(docType.DiagramRectangle.Height * Factor));
g.FillRectangle(Brushes.Lime, rc);
g.DrawRectangle(penDash, rc);
g.DrawString(docType.Name, font, Brushes.Black, rc, sf);
if (docType is DocEnumeration)
{
g.DrawLine(penDash, rc.Right - 6, rc.Top, rc.Right - 6, rc.Bottom);
}
else if(docType is DocDefined)
{
DocDefined docItem = (DocDefined)docType;
if (docItem.DiagramLine != null)
{
DrawLine(g, Pens.Black, docItem.DiagramLine);
}
}
else if (docType is DocSelect)
{
g.DrawLine(penDash, rc.Left + 6, rc.Top, rc.Left + 6, rc.Bottom);
DocSelect docSelect = (DocSelect)docType;
if (docSelect.Tree != null)
{
foreach (DocLine docItem in docSelect.Tree)
{
if (docItem.Definition != null)
{
DrawLine(g, Pens.Black, docItem.DiagramLine);
}
else
{
// tree structure -- don't draw endcap
for (int i = 0; i < docItem.DiagramLine.Count - 1; i++)
{
g.DrawLine(Pens.Black,
new Point((int)(docItem.DiagramLine[i].X * Factor), (int)(docItem.DiagramLine[i].Y * Factor)),
new Point((int)(docItem.DiagramLine[i + 1].X * Factor), (int)(docItem.DiagramLine[i + 1].Y * Factor)));
}
foreach (DocLine docItem2 in docItem.Tree)
{
// link parent if necessary (needed for imported vex diagrams)
g.DrawLine(Pens.Black,
new Point((int)(docItem.DiagramLine[docItem.DiagramLine.Count - 1].X * Factor), (int)(docItem.DiagramLine[docItem.DiagramLine.Count - 1].Y * Factor)),
new Point((int)(docItem2.DiagramLine[0].X * Factor), (int)(docItem2.DiagramLine[0].Y * Factor)));
DrawLine(g, Pens.Black, docItem2.DiagramLine);
}
}
}
}
}
}
}
foreach (DocEntity docType in docSchema.Entities)
{
if (docType.DiagramRectangle != null)
{
string caption = docType.Name;
if (docType.WhereRules.Count > 0 || docType.UniqueRules.Count > 0)
{
caption = "*" + caption;
}
if (docType.IsAbstract())
{
caption = "(ABS)\r\n" + caption;
}
Rectangle rc = new Rectangle(
(int)(docType.DiagramRectangle.X * Factor),
(int)(docType.DiagramRectangle.Y * Factor),
(int)(docType.DiagramRectangle.Width * Factor),
(int)(docType.DiagramRectangle.Height * Factor));
g.FillRectangle(Brushes.Yellow, rc);
g.DrawRectangle(Pens.Black, rc);
g.DrawString(caption, fontBold, Brushes.Black, rc, sf);
}
foreach (DocAttribute docAttr in docType.Attributes)
{
if (docAttr.DiagramLine != null)
{
Pen pen = new Pen(System.Drawing.Color.Black);
if (docAttr.IsOptional())
{
pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
}
using (pen)
{
DrawLine(g, pen, docAttr.DiagramLine);
}
}
if (docAttr.DiagramLabel != null && docAttr.DiagramLine != null)
{
string caption = docAttr.Name;
if (!String.IsNullOrEmpty(docAttr.Inverse))
{
caption = "(" + docAttr.DefinedType + "." + docAttr.Inverse + ")\r\n(INV) " + caption;
}
if (docAttr.GetAggregation() != DocAggregationEnum.NONE)
{
caption += " " + docAttr.GetAggregationExpression();
}
// determine X/Y based on midpoint of stated coordinate and target attribute
double x = (docAttr.DiagramLabel.X + docAttr.DiagramLine[docAttr.DiagramLine.Count - 1].X) * 0.5 * Factor;
double y = docAttr.DiagramLabel.Y * Factor;
g.DrawString(caption, font, Brushes.Black, (int)x, (int)y, sf);
}
}
foreach (DocLine docSub in docType.Tree)
{
DrawTree(g, docSub, Factor, Point.Empty);
}
}
if (docSchema.PageTargets != null)
{
using (Pen penRound = new Pen(Color.Black))
{
penRound.StartCap = LineCap.Round;
penRound.EndCap = LineCap.Round;
int[] pagecounters = new int[64];
foreach (DocPageTarget docTarget in docSchema.PageTargets)
{
pagecounters[docTarget.DiagramNumber]++;
string caption = docTarget.Name;
if (docTarget.DiagramRectangle != null)
{
Rectangle rc = new Rectangle(
(int)(docTarget.DiagramRectangle.X * Factor),
(int)(docTarget.DiagramRectangle.Y * Factor),
(int)(docTarget.DiagramRectangle.Width * Factor),
(int)(docTarget.DiagramRectangle.Height * Factor));
DrawRoundedRectangle(g, rc, 32, penRound, Brushes.Silver);
g.DrawString(caption, font, Brushes.Black, rc, sf);
}
if (docTarget.DiagramLine != null)
{
using (Pen penBlue = new Pen(Color.Blue, 2.0f))
{
for (int i = 0; i < docTarget.DiagramLine.Count - 1; i++)
{
g.DrawLine(penBlue,
new Point((int)(docTarget.DiagramLine[i].X * Factor), (int)(docTarget.DiagramLine[i].Y * Factor)),
new Point((int)(docTarget.DiagramLine[i + 1].X * Factor), (int)(docTarget.DiagramLine[i + 1].Y * Factor)));
}
}
}
int iSource = 0;
foreach (DocPageSource docSource in docTarget.Sources)
{
iSource++;
if (docSource.DiagramRectangle != null)
{
Rectangle rc = new Rectangle(
(int)(docSource.DiagramRectangle.X * Factor),
(int)(docSource.DiagramRectangle.Y * Factor),
(int)(docSource.DiagramRectangle.Width * Factor),
(int)(docSource.DiagramRectangle.Height * Factor));
DrawRoundedRectangle(g, rc, 32, penRound, Brushes.Silver);
g.DrawString(docSource.Name, font, Brushes.Black, rc, sf);
}
}
}
}
}
if (docSchema.SchemaRefs != null)
{
foreach (DocSchemaRef docSchemaRef in docSchema.SchemaRefs)
{
foreach (DocDefinitionRef docDefRef in docSchemaRef.Definitions)
{
if (docDefRef.DiagramRectangle != null)
{
string caption = docSchemaRef.Name.ToUpper() + "." + docDefRef.Name;
Rectangle rc = new Rectangle(
(int)(docDefRef.DiagramRectangle.X * Factor),
(int)(docDefRef.DiagramRectangle.Y * Factor),
(int)(docDefRef.DiagramRectangle.Width * Factor),
(int)(docDefRef.DiagramRectangle.Height * Factor));
Rectangle rcInner = rc;
rcInner.Y = rc.Y + rc.Height / 3;
rcInner.Height = rc.Height / 3;
g.FillRectangle(Brushes.Silver, rc);
g.DrawRectangle(penDash, rc);
DrawRoundedRectangle(g, rcInner, 8, Pens.Black, Brushes.Silver);
g.DrawString(caption, font, Brushes.Black, rc, sf);
foreach (DocLine docSub in docDefRef.Tree)
{
DrawTree(g, docSub, Factor, Point.Empty);
}
}
}
}
}
if (docSchema.Comments != null)
{
using (Font fontItalic = new Font(font, FontStyle.Italic))
{
foreach (DocComment docComment in docSchema.Comments)
{
if (docComment.DiagramRectangle != null)
{
Rectangle rc = new Rectangle(
(int)(docComment.DiagramRectangle.X * Factor),
(int)(docComment.DiagramRectangle.Y * Factor),
(int)(docComment.DiagramRectangle.Width * Factor),
(int)(docComment.DiagramRectangle.Height * Factor));
g.DrawString(docComment.Documentation, fontItalic, Brushes.Blue, rc, sf);
}
}
}
}
if(docSchema.Primitives != null)
{
foreach(DocPrimitive docPrimitive in docSchema.Primitives)
{
if (docPrimitive.DiagramRectangle != null)
{
Rectangle rc = new Rectangle(
(int)(docPrimitive.DiagramRectangle.X * Factor),
(int)(docPrimitive.DiagramRectangle.Y * Factor),
(int)(docPrimitive.DiagramRectangle.Width * Factor),
(int)(docPrimitive.DiagramRectangle.Height * Factor));
g.FillRectangle(Brushes.Lime, rc);
g.DrawRectangle(Pens.Black, rc);
g.DrawString(docPrimitive.Name, font, Brushes.Black, rc, sf);
g.DrawLine(Pens.Black, rc.Right - 6, rc.Top, rc.Right - 6, rc.Bottom);
}
}
}
}
}
}
}
return image;
}
private static void DrawLine(Graphics g, Pen pen, List<DocPoint> line)
{
for (int i = 0; i < line.Count - 1; i++)
{
Point ptA = new Point((int)(line[i].X * Factor), (int)(line[i].Y * Factor));
Point ptB = new Point((int)(line[i + 1].X * Factor), (int)(line[i + 1].Y * Factor));
g.DrawLine(pen, ptA, ptB);
if (i == line.Count - 2)
{
DrawEndCap(g, ptA, ptB);
}
}
}
private static void DrawEndCap(Graphics g, Point ptA, Point ptB)
{
int rad = 4;
Rectangle rc = new Rectangle(ptB.X - rad, ptB.Y - rad, rad * 2, rad * 2);
if (ptB.X > ptA.X)
{
rc.X -= rad;
}
else if (ptB.X < ptA.X)
{
rc.X += rad;
}