/**
* <summary>Populates a PDF file with contents.</summary>
*/
private void Populate(
Document document
)
{
// 1. Add the page to the document!
Page page = new Page(document); // Instantiates the page inside the document context.
document.Pages.Add(page); // Puts the page in the pages collection.
SizeF pageSize = page.Size;
// 2. Create a content composer for the page!
PrimitiveComposer composer = new PrimitiveComposer(page);
// 3. Inserting contents...
// Set the font to use!
composer.SetFont(new StandardType1Font(document, StandardType1Font.FamilyEnum.Courier, true, false), 30);
// Show the text onto the page (along with its box)!
/*
* NOTE: PrimitiveComposer's ShowText() method is the most basic way to add text to a page
* -- see BlockComposer for more advanced uses (horizontal and vertical alignment, hyphenation,
* etc.).
*/
composer.ShowText(
"Hello World!",
new PointF(32, 48)
);
composer.SetLineWidth(.25);
composer.SetLineCap(LineCapEnum.Round);
composer.SetLineDash(new LineDash(new double[] { 5, 10 }));
composer.SetTextLead(1.2);
composer.DrawPolygon(
composer.ShowText(
"This is a primitive example"
+ "\nof centered, rotated multi-"
+ "\nline text."
+ "\n\nWe recommend you to use"
+ "\nBlockComposer instead, as it"
+ "\nautomatically manages text"
+ "\nwrapping and alignment with-"
+ "\nin a specified area!",
new PointF(pageSize.Width / 2, pageSize.Height / 2),
XAlignmentEnum.Center,
YAlignmentEnum.Middle,
15
).Points
);
composer.Stroke();
// 4. Flush the contents into the page!
composer.Flush();
}
private void BuildCurvesPage(
Document document
)
{
// 1. Add the page to the document!
Page page = new Page(document); // Instantiates the page inside the document context.
document.Pages.Add(page); // Puts the page in the pages collection.
SizeF pageSize = page.Size;
// 2. Create a content composer for the page!
PrimitiveComposer composer = new PrimitiveComposer(page);
// 3. Drawing the page contents...
composer.SetFont(
new fonts::StandardType1Font(
document,
fonts::StandardType1Font.FamilyEnum.Courier,
true,
false
),
32
);
{
BlockComposer blockComposer = new BlockComposer(composer);
blockComposer.Begin(new RectangleF(30, 0, pageSize.Width - 60, 50), XAlignmentEnum.Center, YAlignmentEnum.Middle);
blockComposer.ShowText("Curves");
blockComposer.End();
}
// 3.1. Arcs.
{
float y = 100;
for (
int rowIndex = 0;
rowIndex < 4;
rowIndex++
)
{
int angleStep = 45;
int startAngle = 0;
int endAngle = angleStep;
float x = 100;
float diameterX;
float diameterY;
switch (rowIndex)
{
case 0:
default:
diameterX = 40;
diameterY = 40;
break;
case 1:
diameterX = 40;
diameterY = 20;
break;
case 2:
diameterX = 20;
diameterY = 40;
break;
case 3:
diameterX = 40;
diameterY = 40;
break;
}
for (
int index = 0,
length = 360 / angleStep;
index < length;
index++
)
{
RectangleF arcFrame = new RectangleF((float)x, (float)y, (float)diameterX, (float)diameterY);
// Drawing the arc frame...
composer.BeginLocalState();
composer.SetLineWidth(0.25f);
composer.SetLineDash(new LineDash(new double[] { 5, 5 }, 3));
composer.DrawRectangle(arcFrame);
composer.Stroke();
composer.End();
// Draw the arc!
composer.DrawArc(arcFrame, startAngle, endAngle);
composer.Stroke();
endAngle += angleStep;
switch (rowIndex)
{
case 3:
startAngle += angleStep;
break;
}
x += 50;
}
y += diameterY + 10;
}
}
// 3.2. Circle.
{
RectangleF arcFrame = new RectangleF(100, 300, 100, 100);
// Drawing the circle frame...
composer.BeginLocalState();
composer.SetLineWidth(0.25f);
composer.SetLineDash(new LineDash(new double[] { 5, 5 }, 3));
composer.DrawRectangle(arcFrame);
composer.Stroke();
composer.End();
// Drawing the circle...
composer.SetFillColor(DeviceRGBColor.Get(System.Drawing.Color.Red));
composer.DrawEllipse(arcFrame);
composer.FillStroke();
}
// 3.3. Horizontal ellipse.
{
RectangleF arcFrame = new RectangleF(210, 300, 100, 50);
// Drawing the ellipse frame...
composer.BeginLocalState();
composer.SetLineWidth(0.25f);
composer.SetLineDash(new LineDash(new double[] { 5, 5 }, 3));
composer.DrawRectangle(arcFrame);
composer.Stroke();
composer.End();
// Drawing the ellipse...
composer.SetFillColor(DeviceRGBColor.Get(System.Drawing.Color.Green));
composer.DrawEllipse(arcFrame);
composer.FillStroke();
}
// 3.4. Vertical ellipse.
{
RectangleF arcFrame = new RectangleF(320, 300, 50, 100);
// Drawing the ellipse frame...
composer.BeginLocalState();
composer.SetLineWidth(0.25f);
composer.SetLineDash(new LineDash(new double[] { 5, 5 }, 3));
composer.DrawRectangle(arcFrame);
composer.Stroke();
composer.End();
// Drawing the ellipse...
composer.SetFillColor(DeviceRGBColor.Get(System.Drawing.Color.Blue));
composer.DrawEllipse(arcFrame);
composer.FillStroke();
}
// 3.5. Spirals.
{
float y = 500;
float spiralWidth = 100;
composer.SetLineWidth(.5f);
for (
int rowIndex = 0;
rowIndex < 3;
rowIndex++
)
{
float x = 150;
float branchWidth = .5f;
float branchRatio = 1;
for (
int spiralIndex = 0;
spiralIndex < 4;
spiralIndex++
)
{
float spiralTurnsCount;
switch (rowIndex)
{
case 0:
default:
spiralTurnsCount = spiralWidth / (branchWidth * 8);
break;
case 1:
spiralTurnsCount = (float)(spiralWidth / (branchWidth * 8 * (spiralIndex * 1.15 + 1)));
break;
}
switch (rowIndex)
{
case 2:
composer.SetLineDash(new LineDash(new double[] { 10, 5 }));
composer.SetLineCap(LineCapEnum.Round);
break;
default:
break;
}
composer.DrawSpiral(
new PointF((float)x, (float)y),
0,
360 * spiralTurnsCount,
branchWidth,
branchRatio
);
composer.Stroke();
x += spiralWidth + 10;
switch (rowIndex)
{
case 0:
default:
branchWidth += 1;
break;
case 1:
branchRatio += .035f;
break;
}
switch (rowIndex)
{
case 2:
composer.SetLineWidth(composer.State.LineWidth + .5f);
break;
}
}
y += spiralWidth + 10;
}
}
// 4. Flush the contents into the page!
composer.Flush();
}
private void BuildMiscellaneousPage(
Document document
)
{
// 1. Add the page to the document!
Page page = new Page(document); // Instantiates the page inside the document context.
document.Pages.Add(page); // Puts the page in the pages collection.
SizeF pageSize = page.Size;
// 2. Create a content composer for the page!
PrimitiveComposer composer = new PrimitiveComposer(page);
// 3. Drawing the page contents...
composer.SetFont(
new fonts::StandardType1Font(
document,
fonts::StandardType1Font.FamilyEnum.Courier,
true,
false
),
32
);
{
BlockComposer blockComposer = new BlockComposer(composer);
blockComposer.Begin(new RectangleF(30, 0, pageSize.Width - 60, 50), XAlignmentEnum.Center, YAlignmentEnum.Middle);
blockComposer.ShowText("Miscellaneous");
blockComposer.End();
}
composer.BeginLocalState();
composer.SetLineJoin(LineJoinEnum.Round);
composer.SetLineCap(LineCapEnum.Round);
// 3.1. Polygon.
composer.DrawPolygon(
new PointF[]
{
new PointF(100, 200),
new PointF(150, 150),
new PointF(200, 150),
new PointF(250, 200)
}
);
// 3.2. Polyline.
composer.DrawPolyline(
new PointF[]
{
new PointF(300, 200),
new PointF(350, 150),
new PointF(400, 150),
new PointF(450, 200)
}
);
composer.Stroke();
// 3.3. Rectangle (both squared and rounded).
int x = 50;
int radius = 0;
while (x < 500)
{
if (x > 300)
{
composer.SetLineDash(new LineDash(new double[] { 5, 5 }, 3));
}
composer.SetFillColor(new DeviceRGBColor(1, x / 500d, x / 500d));
composer.DrawRectangle(
new RectangleF(x, 250, 150, 100),
radius // NOTE: radius parameter determines the rounded angle size.
);
composer.FillStroke();
x += 175;
radius += 10;
}
composer.End(); // End local state.
composer.BeginLocalState();
composer.SetFont(
composer.State.Font,
12
);
// 3.4. Line cap parameter.
int y = 400;
foreach (LineCapEnum lineCap
in (LineCapEnum[])Enum.GetValues(typeof(LineCapEnum)))
{
composer.ShowText(
lineCap + ":",
new PointF(50, y),
XAlignmentEnum.Left,
YAlignmentEnum.Middle,
0
);
composer.SetLineWidth(12);
composer.SetLineCap(lineCap);
composer.DrawLine(
new PointF(120, y),
new PointF(220, y)
);
composer.Stroke();
composer.BeginLocalState();
composer.SetLineWidth(1);
composer.SetStrokeColor(DeviceRGBColor.White);
composer.SetLineCap(LineCapEnum.Butt);
composer.DrawLine(
new PointF(120, y),
new PointF(220, y)
);
composer.Stroke();
composer.End(); // End local state.
y += 30;
}
// 3.5. Line join parameter.
y += 50;
foreach (LineJoinEnum lineJoin
in (LineJoinEnum[])Enum.GetValues(typeof(LineJoinEnum)))
{
composer.ShowText(
lineJoin + ":",
new PointF(50, y),
XAlignmentEnum.Left,
YAlignmentEnum.Middle,
0
);
composer.SetLineWidth(12);
composer.SetLineJoin(lineJoin);
PointF[] points = new PointF[]
{
new PointF(120, y + 25),
new PointF(150, y - 25),
new PointF(180, y + 25)
};
composer.DrawPolyline(points);
composer.Stroke();
composer.BeginLocalState();
composer.SetLineWidth(1);
composer.SetStrokeColor(DeviceRGBColor.White);
composer.SetLineCap(LineCapEnum.Butt);
composer.DrawPolyline(points);
composer.Stroke();
composer.End(); // End local state.
y += 50;
}
composer.End(); // End local state.
// 3.6. Clipping.
/*
* NOTE: Clipping should be conveniently enclosed within a local state
* in order to easily resume the unaltered drawing area after the operation completes.
*/
composer.BeginLocalState();
composer.DrawPolygon(
new PointF[]
{
new PointF(220, 410),
new PointF(300, 490),
new PointF(450, 360),
new PointF(430, 520),
new PointF(590, 565),
new PointF(420, 595),
new PointF(460, 730),
new PointF(380, 650),
new PointF(330, 765),
new PointF(310, 640),
new PointF(220, 710),
new PointF(275, 570),
new PointF(170, 500),
new PointF(275, 510)
}
);
composer.Clip();
// Showing a clown image...
// Instantiate a jpeg image object!
entities::Image image = entities::Image.Get(GetResourcePath("images" + System.IO.Path.DirectorySeparatorChar + "Clown.jpg")); // Abstract image (entity).
xObjects::XObject imageXObject = image.ToXObject(document);
// Show the image!
composer.ShowXObject(
imageXObject,
new PointF(170, 320),
GeomUtils.Scale(imageXObject.Size, new SizeF(450, 0))
);
composer.End(); // End local state.
// 4. Flush the contents into the page!
composer.Flush();
}
/*
* TODO: refresh should happen just before serialization, on document event (e.g. OnWrite())
*/
private void RefreshAppearance(
)
{
FormXObject normalAppearance;
RectangleF box = org.pdfclown.objects.Rectangle.Wrap(BaseDataObject[PdfName.Rect]).ToRectangleF();
{
AppearanceStates normalAppearances = Appearance.Normal;
normalAppearance = normalAppearances[null];
if (normalAppearance != null)
{
normalAppearance.Box = box;
normalAppearance.BaseDataObject.Body.SetLength(0);
}
else
{
normalAppearances[null] = normalAppearance = new FormXObject(Document, box);
}
}
PrimitiveComposer composer = new PrimitiveComposer(normalAppearance);
{
float yOffset = box.Height - Page.Box.Height;
MarkupTypeEnum markupType = MarkupType;
switch (markupType)
{
case MarkupTypeEnum.Highlight:
{
ExtGState defaultExtGState;
{
ExtGStateResources extGStates = normalAppearance.Resources.ExtGStates;
defaultExtGState = extGStates[HighlightExtGStateName];
if (defaultExtGState == null)
{
if (extGStates.Count > 0)
{
extGStates.Clear();
}
extGStates[HighlightExtGStateName] = defaultExtGState = new ExtGState(Document);
defaultExtGState.AlphaShape = false;
defaultExtGState.BlendMode = new List <BlendModeEnum>(new BlendModeEnum[] { BlendModeEnum.Multiply });
}
}
composer.ApplyState(defaultExtGState);
composer.SetFillColor(Color);
{
foreach (Quad markupBox in MarkupBoxes)
{
PointF[] points = markupBox.Points;
float markupBoxHeight = points[3].Y - points[0].Y;
float markupBoxMargin = GetMarkupBoxMargin(markupBoxHeight);
composer.DrawCurve(
new PointF(points[3].X, points[3].Y + yOffset),
new PointF(points[0].X, points[0].Y + yOffset),
new PointF(points[3].X - markupBoxMargin, points[3].Y - markupBoxMargin + yOffset),
new PointF(points[0].X - markupBoxMargin, points[0].Y + markupBoxMargin + yOffset)
);
composer.DrawLine(
new PointF(points[1].X, points[1].Y + yOffset)
);
composer.DrawCurve(
new PointF(points[2].X, points[2].Y + yOffset),
new PointF(points[1].X + markupBoxMargin, points[1].Y + markupBoxMargin + yOffset),
new PointF(points[2].X + markupBoxMargin, points[2].Y - markupBoxMargin + yOffset)
);
composer.Fill();
}
}
}
break;
case MarkupTypeEnum.Squiggly:
{
composer.SetStrokeColor(Color);
composer.SetLineCap(LineCapEnum.Round);
composer.SetLineJoin(LineJoinEnum.Round);
{
foreach (Quad markupBox in MarkupBoxes)
{
PointF[] points = markupBox.Points;
float markupBoxHeight = points[3].Y - points[0].Y;
float lineWidth = markupBoxHeight * .05f;
float step = markupBoxHeight * .125f;
float boxXOffset = points[3].X;
float boxYOffset = points[3].Y + yOffset - lineWidth;
bool phase = false;
composer.SetLineWidth(lineWidth);
for (float x = 0, xEnd = points[2].X - boxXOffset; x < xEnd || !phase; x += step)
{
PointF point = new PointF(x + boxXOffset, (phase ? -step : 0) + boxYOffset);
if (x == 0)
{
composer.StartPath(point);
}
else
{
composer.DrawLine(point);
}
phase = !phase;
}
}
composer.Stroke();
}
}
break;
case MarkupTypeEnum.StrikeOut:
case MarkupTypeEnum.Underline:
{
composer.SetStrokeColor(Color);
{
float lineYRatio = 0;
switch (markupType)
{
case MarkupTypeEnum.StrikeOut:
lineYRatio = .5f;
break;
case MarkupTypeEnum.Underline:
lineYRatio = .9f;
break;
default:
throw new NotImplementedException();
}
foreach (Quad markupBox in MarkupBoxes)
{
PointF[] points = markupBox.Points;
float markupBoxHeight = points[3].Y - points[0].Y;
float boxYOffset = markupBoxHeight * lineYRatio + yOffset;
composer.SetLineWidth(markupBoxHeight * .065);
composer.DrawLine(
new PointF(points[3].X, points[0].Y + boxYOffset),
new PointF(points[2].X, points[1].Y + boxYOffset)
);
}
composer.Stroke();
}
}
break;
default:
throw new NotImplementedException();
}
}
composer.Flush();
}
/*
TODO: refresh should happen just before serialization, on document event (e.g. OnWrite())
*/
private void RefreshAppearance(
)
{
FormXObject normalAppearance;
RectangleF box = org.pdfclown.objects.Rectangle.Wrap(BaseDataObject[PdfName.Rect]).ToRectangleF();
{
AppearanceStates normalAppearances = Appearance.Normal;
normalAppearance = normalAppearances[null];
if(normalAppearance != null)
{
normalAppearance.Box = box;
normalAppearance.BaseDataObject.Body.SetLength(0);
}
else
{normalAppearances[null] = normalAppearance = new FormXObject(Document, box);}
}
PrimitiveComposer composer = new PrimitiveComposer(normalAppearance);
{
float yOffset = box.Height - Page.Box.Height;
MarkupTypeEnum markupType = MarkupType;
switch(markupType)
{
case MarkupTypeEnum.Highlight:
{
ExtGState defaultExtGState;
{
ExtGStateResources extGStates = normalAppearance.Resources.ExtGStates;
defaultExtGState = extGStates[HighlightExtGStateName];
if(defaultExtGState == null)
{
if(extGStates.Count > 0)
{extGStates.Clear();}
extGStates[HighlightExtGStateName] = defaultExtGState = new ExtGState(Document);
defaultExtGState.AlphaShape = false;
defaultExtGState.BlendMode = new List<BlendModeEnum>(new BlendModeEnum[]{BlendModeEnum.Multiply});
}
}
composer.ApplyState(defaultExtGState);
composer.SetFillColor(Color);
{
foreach(Quad markupBox in MarkupBoxes)
{
PointF[] points = markupBox.Points;
float markupBoxHeight = points[3].Y - points[0].Y;
float markupBoxMargin = GetMarkupBoxMargin(markupBoxHeight);
composer.DrawCurve(
new PointF(points[3].X, points[3].Y + yOffset),
new PointF(points[0].X, points[0].Y + yOffset),
new PointF(points[3].X - markupBoxMargin, points[3].Y - markupBoxMargin + yOffset),
new PointF(points[0].X - markupBoxMargin, points[0].Y + markupBoxMargin + yOffset)
);
composer.DrawLine(
new PointF(points[1].X, points[1].Y + yOffset)
);
composer.DrawCurve(
new PointF(points[2].X, points[2].Y + yOffset),
new PointF(points[1].X + markupBoxMargin, points[1].Y + markupBoxMargin + yOffset),
new PointF(points[2].X + markupBoxMargin, points[2].Y - markupBoxMargin + yOffset)
);
composer.Fill();
}
}
}
break;
case MarkupTypeEnum.Squiggly:
{
composer.SetStrokeColor(Color);
composer.SetLineCap(LineCapEnum.Round);
composer.SetLineJoin(LineJoinEnum.Round);
{
foreach(Quad markupBox in MarkupBoxes)
{
PointF[] points = markupBox.Points;
float markupBoxHeight = points[3].Y - points[0].Y;
float lineWidth = markupBoxHeight * .02f;
float step = markupBoxHeight * .125f;
float boxXOffset = points[3].X;
float boxYOffset = points[3].Y + yOffset - lineWidth;
bool phase = false;
composer.SetLineWidth(lineWidth);
for(float x = 0, xEnd = points[2].X - boxXOffset; x < xEnd || !phase; x += step)
{
PointF point = new PointF(x + boxXOffset, (phase ? -step : 0) + boxYOffset);
if(x == 0)
{composer.StartPath(point);}
else
{composer.DrawLine(point);}
phase = !phase;
}
}
composer.Stroke();
}
}
break;
case MarkupTypeEnum.StrikeOut:
case MarkupTypeEnum.Underline:
{
composer.SetStrokeColor(Color);
{
float lineYRatio = 0;
switch(markupType)
{
case MarkupTypeEnum.StrikeOut:
lineYRatio = .575f;
break;
case MarkupTypeEnum.Underline:
lineYRatio = .85f;
break;
default:
throw new NotImplementedException();
}
foreach(Quad markupBox in MarkupBoxes)
{
PointF[] points = markupBox.Points;
float markupBoxHeight = points[3].Y - points[0].Y;
float boxYOffset = markupBoxHeight * lineYRatio + yOffset;
composer.SetLineWidth(markupBoxHeight * .065);
composer.DrawLine(
new PointF(points[3].X, points[0].Y + boxYOffset),
new PointF(points[2].X, points[1].Y + boxYOffset)
);
}
composer.Stroke();
}
}
break;
default:
throw new NotImplementedException();
}
}
composer.Flush();
}
private void BuildCurvesPage(
Document document
)
{
// 1. Add the page to the document!
Page page = new Page(document); // Instantiates the page inside the document context.
document.Pages.Add(page); // Puts the page in the pages collection.
SizeF pageSize = page.Size;
// 2. Create a content composer for the page!
PrimitiveComposer composer = new PrimitiveComposer(page);
// 3. Drawing the page contents...
composer.SetFont(
new fonts::StandardType1Font(
document,
fonts::StandardType1Font.FamilyEnum.Courier,
true,
false
),
32
);
{
BlockComposer blockComposer = new BlockComposer(composer);
blockComposer.Begin(new RectangleF(30,0,pageSize.Width-60,50),XAlignmentEnum.Center,YAlignmentEnum.Middle);
blockComposer.ShowText("Curves");
blockComposer.End();
}
// 3.1. Arcs.
{
float y = 100;
for(
int rowIndex = 0;
rowIndex < 4;
rowIndex++
)
{
int angleStep = 45;
int startAngle = 0;
int endAngle = angleStep;
float x = 100;
float diameterX;
float diameterY;
switch(rowIndex)
{
case 0: default:
diameterX = 40;
diameterY = 40;
break;
case 1:
diameterX = 40;
diameterY = 20;
break;
case 2:
diameterX = 20;
diameterY = 40;
break;
case 3:
diameterX = 40;
diameterY = 40;
break;
}
for(
int index = 0,
length = 360/angleStep;
index < length;
index++
)
{
RectangleF arcFrame = new RectangleF((float)x,(float)y,(float)diameterX,(float)diameterY);
// Drawing the arc frame...
composer.BeginLocalState();
composer.SetLineWidth(0.25f);
composer.SetLineDash(new LineDash(new double[]{5,5}, 3));
composer.DrawRectangle(arcFrame);
composer.Stroke();
composer.End();
// Draw the arc!
composer.DrawArc(arcFrame,startAngle,endAngle);
composer.Stroke();
endAngle += angleStep;
switch(rowIndex)
{
case 3:
startAngle += angleStep;
break;
}
x += 50;
}
y += diameterY + 10;
}
}
// 3.2. Circle.
{
RectangleF arcFrame = new RectangleF(100, 300, 100, 100);
// Drawing the circle frame...
composer.BeginLocalState();
composer.SetLineWidth(0.25f);
composer.SetLineDash(new LineDash(new double[]{5,5}, 3));
composer.DrawRectangle(arcFrame);
composer.Stroke();
composer.End();
// Drawing the circle...
composer.SetFillColor(DeviceRGBColor.Get(System.Drawing.Color.Red));
composer.DrawEllipse(arcFrame);
composer.FillStroke();
}
// 3.3. Horizontal ellipse.
{
RectangleF arcFrame = new RectangleF(210, 300, 100, 50);
// Drawing the ellipse frame...
composer.BeginLocalState();
composer.SetLineWidth(0.25f);
composer.SetLineDash(new LineDash(new double[]{5,5}, 3));
composer.DrawRectangle(arcFrame);
composer.Stroke();
composer.End();
// Drawing the ellipse...
composer.SetFillColor(DeviceRGBColor.Get(System.Drawing.Color.Green));
composer.DrawEllipse(arcFrame);
composer.FillStroke();
}
// 3.4. Vertical ellipse.
{
RectangleF arcFrame = new RectangleF(320, 300, 50, 100);
// Drawing the ellipse frame...
composer.BeginLocalState();
composer.SetLineWidth(0.25f);
composer.SetLineDash(new LineDash(new double[]{5,5}, 3));
composer.DrawRectangle(arcFrame);
composer.Stroke();
composer.End();
// Drawing the ellipse...
composer.SetFillColor(DeviceRGBColor.Get(System.Drawing.Color.Blue));
composer.DrawEllipse(arcFrame);
composer.FillStroke();
}
// 3.5. Spirals.
{
float y = 500;
float spiralWidth = 100;
composer.SetLineWidth(.5f);
for(
int rowIndex = 0;
rowIndex < 3;
rowIndex++
)
{
float x = 150;
float branchWidth = .5f;
float branchRatio = 1;
for(
int spiralIndex = 0;
spiralIndex < 4;
spiralIndex++
)
{
float spiralTurnsCount;
switch(rowIndex)
{
case 0: default:
spiralTurnsCount = spiralWidth/(branchWidth*8);
break;
case 1:
spiralTurnsCount = (float)(spiralWidth/(branchWidth*8*(spiralIndex*1.15+1)));
break;
}
switch(rowIndex)
{
case 2:
composer.SetLineDash(new LineDash(new double[]{10,5}));
composer.SetLineCap(LineCapEnum.Round);
break;
default:
break;
}
composer.DrawSpiral(
new PointF((float)x,(float)y),
0,
360*spiralTurnsCount,
branchWidth,
branchRatio
);
composer.Stroke();
x += spiralWidth + 10;
switch(rowIndex)
{
case 0: default:
branchWidth += 1;
break;
case 1:
branchRatio += .035f;
break;
}
switch(rowIndex)
{
case 2:
composer.SetLineWidth(composer.State.LineWidth+.5f);
break;
}
}
y += spiralWidth + 10;
}
}
// 4. Flush the contents into the page!
composer.Flush();
}
private void BuildMiscellaneousPage(
Document document
)
{
// 1. Add the page to the document!
Page page = new Page(document); // Instantiates the page inside the document context.
document.Pages.Add(page); // Puts the page in the pages collection.
SizeF pageSize = page.Size;
// 2. Create a content composer for the page!
PrimitiveComposer composer = new PrimitiveComposer(page);
// 3. Drawing the page contents...
composer.SetFont(
new fonts::StandardType1Font(
document,
fonts::StandardType1Font.FamilyEnum.Courier,
true,
false
),
32
);
{
BlockComposer blockComposer = new BlockComposer(composer);
blockComposer.Begin(new RectangleF(30,0,pageSize.Width-60,50),XAlignmentEnum.Center,YAlignmentEnum.Middle);
blockComposer.ShowText("Miscellaneous");
blockComposer.End();
}
composer.BeginLocalState();
composer.SetLineJoin(LineJoinEnum.Round);
composer.SetLineCap(LineCapEnum.Round);
// 3.1. Polygon.
composer.DrawPolygon(
new PointF[]
{
new PointF(100,200),
new PointF(150,150),
new PointF(200,150),
new PointF(250,200)
}
);
// 3.2. Polyline.
composer.DrawPolyline(
new PointF[]
{
new PointF(300,200),
new PointF(350,150),
new PointF(400,150),
new PointF(450,200)
}
);
composer.Stroke();
// 3.3. Rectangle (both squared and rounded).
int x = 50;
int radius = 0;
while(x < 500)
{
if(x > 300)
{
composer.SetLineDash(new LineDash(new double[]{5,5}, 3));
}
composer.SetFillColor(new DeviceRGBColor(1, x / 500d, x / 500d));
composer.DrawRectangle(
new RectangleF(x, 250, 150, 100),
radius // NOTE: radius parameter determines the rounded angle size.
);
composer.FillStroke();
x += 175;
radius += 10;
}
composer.End(); // End local state.
composer.BeginLocalState();
composer.SetFont(
composer.State.Font,
12
);
// 3.4. Line cap parameter.
int y = 400;
foreach(LineCapEnum lineCap
in (LineCapEnum[])Enum.GetValues(typeof(LineCapEnum)))
{
composer.ShowText(
lineCap + ":",
new PointF(50,y),
XAlignmentEnum.Left,
YAlignmentEnum.Middle,
0
);
composer.SetLineWidth(12);
composer.SetLineCap(lineCap);
composer.DrawLine(
new PointF(120,y),
new PointF(220,y)
);
composer.Stroke();
composer.BeginLocalState();
composer.SetLineWidth(1);
composer.SetStrokeColor(DeviceRGBColor.White);
composer.SetLineCap(LineCapEnum.Butt);
composer.DrawLine(
new PointF(120,y),
new PointF(220,y)
);
composer.Stroke();
composer.End(); // End local state.
y += 30;
}
// 3.5. Line join parameter.
y += 50;
foreach(LineJoinEnum lineJoin
in (LineJoinEnum[])Enum.GetValues(typeof(LineJoinEnum)))
{
composer.ShowText(
lineJoin + ":",
new PointF(50,y),
XAlignmentEnum.Left,
YAlignmentEnum.Middle,
0
);
composer.SetLineWidth(12);
composer.SetLineJoin(lineJoin);
PointF[] points = new PointF[]
{
new PointF(120,y+25),
new PointF(150,y-25),
new PointF(180,y+25)
};
composer.DrawPolyline(points);
composer.Stroke();
composer.BeginLocalState();
composer.SetLineWidth(1);
composer.SetStrokeColor(DeviceRGBColor.White);
composer.SetLineCap(LineCapEnum.Butt);
composer.DrawPolyline(points);
composer.Stroke();
composer.End(); // End local state.
y += 50;
}
composer.End(); // End local state.
// 3.6. Clipping.
/*
NOTE: Clipping should be conveniently enclosed within a local state
in order to easily resume the unaltered drawing area after the operation completes.
*/
composer.BeginLocalState();
composer.DrawPolygon(
new PointF[]
{
new PointF(220,410),
new PointF(300,490),
new PointF(450,360),
new PointF(430,520),
new PointF(590,565),
new PointF(420,595),
new PointF(460,730),
new PointF(380,650),
new PointF(330,765),
new PointF(310,640),
new PointF(220,710),
new PointF(275,570),
new PointF(170,500),
new PointF(275,510)
}
);
composer.Clip();
// Showing a clown image...
// Instantiate a jpeg image object!
entities::Image image = entities::Image.Get(GetResourcePath("images" + System.IO.Path.DirectorySeparatorChar + "Clown.jpg")); // Abstract image (entity).
xObjects::XObject imageXObject = image.ToXObject(document);
// Show the image!
composer.ShowXObject(
imageXObject,
new PointF(170, 320),
GeomUtils.Scale(imageXObject.Size, new SizeF(450,0))
);
composer.End(); // End local state.
// 4. Flush the contents into the page!
composer.Flush();
}