protected override PdnGraphicsPath CreateShapePath(PointF[] points)
{
PointF a = points[0];
PointF b = points[points.Length - 1];
RectangleF rect;
if ((ModifierKeys & Keys.Shift) != 0)
{
rect = Utility.PointsToConstrainedRectangle(a, b);
}
else
{
rect = Utility.PointsToRectangle(a, b);
}
PdnGraphicsPath path = new PdnGraphicsPath();
path.AddRectangle(rect);
path.CloseFigure();
path.Reverse();
MeasurementUnit units = AppWorkspace.Units;
double widthPhysical = Math.Abs(Document.PixelToPhysicalX(rect.Width, units));
double heightPhysical = Math.Abs(Document.PixelToPhysicalY(rect.Height, units));
double areaPhysical = widthPhysical * heightPhysical;
string numberFormat;
string unitsAbbreviation;
if (units != MeasurementUnit.Pixel)
{
string unitsAbbreviationName = "MeasurementUnit." + units.ToString() + ".Abbreviation";
unitsAbbreviation = PdnResources.GetString(unitsAbbreviationName);
numberFormat = "F2";
}
else
{
unitsAbbreviation = string.Empty;
numberFormat = "F0";
}
string unitsString = PdnResources.GetString("MeasurementUnit." + units.ToString() + ".Plural");
string statusText = string.Format(
this.statusTextFormat,
widthPhysical.ToString(numberFormat),
unitsAbbreviation,
heightPhysical.ToString(numberFormat),
unitsAbbreviation,
areaPhysical.ToString(numberFormat),
unitsString);
this.SetStatus(this.rectangleToolIcon, statusText);
return(path);
}
protected override PdnGraphicsPath CreateShapePath(PointF[] points)
{
PointF a = points[0];
PointF b = points[points.Length - 1];
RectangleF rect;
if ((ModifierKeys & Keys.Shift) != 0)
{
rect = Utility.PointsToConstrainedRectangle(a, b);
}
else
{
rect = Utility.PointsToRectangle(a, b);
}
PdnGraphicsPath path = new PdnGraphicsPath();
path.AddRectangle(rect);
path.CloseFigure();
path.Reverse();
MeasurementUnit units = AppWorkspace.Units;
double widthPhysical = Math.Abs(Document.PixelToPhysicalX(rect.Width, units));
double heightPhysical = Math.Abs(Document.PixelToPhysicalY(rect.Height, units));
double areaPhysical = widthPhysical * heightPhysical;
string numberFormat;
string unitsAbbreviation;
if (units != MeasurementUnit.Pixel)
{
string unitsAbbreviationName = "MeasurementUnit." + units.ToString() + ".Abbreviation";
unitsAbbreviation = PdnResources.GetString(unitsAbbreviationName);
numberFormat = "F2";
}
else
{
unitsAbbreviation = string.Empty;
numberFormat = "F0";
}
string unitsString = PdnResources.GetString("MeasurementUnit." + units.ToString() + ".Plural");
string statusText = string.Format(
this.statusTextFormat,
widthPhysical.ToString(numberFormat),
unitsAbbreviation,
heightPhysical.ToString(numberFormat),
unitsAbbreviation,
areaPhysical.ToString(numberFormat),
unitsString);
this.SetStatus(this.rectangleToolIcon, statusText);
return path;
}
// credit for the this function is given to Aaron Reginald http://www.codeproject.com/cs/media/ExtendedGraphics.asp
protected PdnGraphicsPath GetRoundedRect(RectangleF baseRect, float radius)
{
// if corner radius is less than or equal to zero,
// return the original rectangle
if (radius <= 0.0f)
{
PdnGraphicsPath mPath = new PdnGraphicsPath();
mPath.AddRectangle(baseRect);
mPath.CloseFigure();
return(mPath);
}
// if the corner radius is greater than or equal to
// half the width, or height (whichever is shorter)
// then return a capsule instead of a lozenge
if (radius >= (Math.Min(baseRect.Width, baseRect.Height)) / 2.0)
{
return(GetCapsule(baseRect));
}
// create the arc for the rectangle sides and declare
// a graphics path object for the drawing
float diameter = radius * 2.0f;
SizeF sizeF = new SizeF(diameter, diameter);
RectangleF arc = new RectangleF(baseRect.Location, sizeF);
PdnGraphicsPath path = new PdnGraphicsPath();
// top left arc
path.AddArc(arc, 180, 90);
// top right arc
arc.X = baseRect.Right - diameter;
path.AddArc(arc, 270, 90);
// bottom right arc
arc.Y = baseRect.Bottom - diameter;
path.AddArc(arc, 0, 90);
// bottom left arc
arc.X = baseRect.Left;
path.AddArc(arc, 90, 90);
path.CloseFigure();
return(path);
}
protected override PdnGraphicsPath CreateShapePath(PointF[] points)
{
PointF a = points[0];
PointF b = points[points.Length - 1];
RectangleF rect;
if ((ModifierKeys & Keys.Shift) != 0)
{
rect = Utility.PointsToConstrainedRectangle(a, b);
}
else
{
rect = Utility.PointsToRectangle(a, b);
}
PdnGraphicsPath path = new PdnGraphicsPath();
path.AddRectangle(rect);
path.CloseFigure();
path.Reverse();
string numberFormat;
string unitsAbbreviation;
{
unitsAbbreviation = string.Empty;
numberFormat = "F0";
}
string unitsString = PdnResources.GetString("MeasurementUnit." + "Pixels" + ".Plural");
string statusText = string.Format(
this.statusTextFormat,
rect.Width,
unitsAbbreviation,
rect.Height,
unitsAbbreviation,
"0",
unitsString);
this.SetStatus(this.rectangleToolIcon, statusText);
return(path);
}
public override HistoryMemento OnExecute(IHistoryWorkspace historyWorkspace)
{
if (historyWorkspace.Selection.IsEmpty)
{
return(null);
}
else
{
SelectionHistoryMemento sha = new SelectionHistoryMemento(
StaticName,
StaticImage,
historyWorkspace);
//PdnGraphicsPath selectedPath = historyWorkspace.Selection.GetPathReadOnly();
PdnGraphicsPath selectedPath = historyWorkspace.Selection.CreatePath();
PdnGraphicsPath boundsOutline = new PdnGraphicsPath();
boundsOutline.AddRectangle(historyWorkspace.Document.Bounds);
PdnGraphicsPath clippedPath = PdnGraphicsPath.Combine(selectedPath, CombineMode.Intersect, boundsOutline);
PdnGraphicsPath invertedPath = PdnGraphicsPath.Combine(clippedPath, CombineMode.Xor, boundsOutline);
selectedPath.Dispose();
selectedPath = null;
clippedPath.Dispose();
clippedPath = null;
EnterCriticalRegion();
historyWorkspace.Selection.PerformChanging();
historyWorkspace.Selection.Reset();
historyWorkspace.Selection.SetContinuation(invertedPath, CombineMode.Replace, true);
historyWorkspace.Selection.CommitContinuation();
historyWorkspace.Selection.PerformChanged();
boundsOutline.Dispose();
boundsOutline = null;
return(sha);
}
}
public override HistoryMemento OnExecute(IHistoryWorkspace historyWorkspace)
{
if (historyWorkspace.Selection.IsEmpty)
{
return null;
}
else
{
SelectionHistoryMemento sha = new SelectionHistoryMemento(
StaticName,
StaticImage,
historyWorkspace);
//PdnGraphicsPath selectedPath = historyWorkspace.Selection.GetPathReadOnly();
PdnGraphicsPath selectedPath = historyWorkspace.Selection.CreatePath();
PdnGraphicsPath boundsOutline = new PdnGraphicsPath();
boundsOutline.AddRectangle(historyWorkspace.Document.Bounds);
PdnGraphicsPath clippedPath = PdnGraphicsPath.Combine(selectedPath, CombineMode.Intersect, boundsOutline);
PdnGraphicsPath invertedPath = PdnGraphicsPath.Combine(clippedPath, CombineMode.Xor, boundsOutline);
selectedPath.Dispose();
selectedPath = null;
clippedPath.Dispose();
clippedPath = null;
EnterCriticalRegion();
historyWorkspace.Selection.PerformChanging();
historyWorkspace.Selection.Reset();
historyWorkspace.Selection.SetContinuation(invertedPath, CombineMode.Replace, true);
historyWorkspace.Selection.CommitContinuation();
historyWorkspace.Selection.PerformChanged();
boundsOutline.Dispose();
boundsOutline = null;
return sha;
}
}
// credit for the this function is given to Aaron Reginald http://www.codeproject.com/cs/media/ExtendedGraphics.asp
protected PdnGraphicsPath GetRoundedRect(RectangleF baseRect, float radius)
{
// if corner radius is less than or equal to zero,
// return the original rectangle
if (radius <= 0.0f)
{
PdnGraphicsPath mPath = new PdnGraphicsPath();
mPath.AddRectangle(baseRect);
mPath.CloseFigure();
return mPath;
}
// if the corner radius is greater than or equal to
// half the width, or height (whichever is shorter)
// then return a capsule instead of a lozenge
if (radius >= (Math.Min(baseRect.Width, baseRect.Height)) / 2.0)
{
return GetCapsule(baseRect);
}
// create the arc for the rectangle sides and declare
// a graphics path object for the drawing
float diameter = radius * 2.0f;
SizeF sizeF = new SizeF(diameter, diameter);
RectangleF arc = new RectangleF(baseRect.Location, sizeF);
PdnGraphicsPath path = new PdnGraphicsPath();
// top left arc
path.AddArc (arc, 180, 90);
// top right arc
arc.X = baseRect.Right - diameter;
path.AddArc (arc, 270, 90);
// bottom right arc
arc.Y = baseRect.Bottom - diameter;
path.AddArc (arc, 0, 90);
// bottom left arc
arc.X = baseRect.Left;
path.AddArc (arc, 90, 90);
path.CloseFigure();
return path;
}
