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Check if current path is null for path construction operators

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This commit is contained in:
BobLd
2020-04-05 11:07:02 +01:00
committed by Eliot Jones
parent 9a2a72ea2e
commit 60595e1341
4 changed files with 8 additions and 0 deletions
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2
src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendDualControlPointBezierCurve.cs
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@@ -71,6 +71,8 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
if (operationContext.CurrentSubpath == null) return;
var controlPoint1 = operationContext.CurrentTransformationMatrix.Transform(new PdfPoint(X1, Y1));
var controlPoint2 = operationContext.CurrentTransformationMatrix.Transform(new PdfPoint(X2, Y2));
var end = operationContext.CurrentTransformationMatrix.Transform(new PdfPoint(X3, Y3));

2
src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendEndControlPointBezierCurve.cs
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@@ -56,6 +56,8 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
if (operationContext.CurrentSubpath == null) return;
var controlPoint1 = operationContext.CurrentTransformationMatrix.Transform(new PdfPoint(X1, Y1));
var end = operationContext.CurrentTransformationMatrix.Transform(new PdfPoint(X3, Y3));
operationContext.CurrentSubpath.BezierCurveTo(controlPoint1.X, controlPoint1.Y, end.X, end.Y, end.X, end.Y);

2
src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendStartControlPointBezierCurve.cs
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@@ -56,6 +56,8 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
if (operationContext.CurrentSubpath == null) return;
var controlPoint2 = operationContext.CurrentTransformationMatrix.Transform(new PdfPoint(X2, Y2));
var end = operationContext.CurrentTransformationMatrix.Transform(new PdfPoint(X3, Y3));
operationContext.CurrentSubpath.BezierCurveTo(operationContext.CurrentPosition.X,

2
src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendStraightLineSegment.cs
View File

@@ -41,6 +41,8 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
if (operationContext.CurrentSubpath == null) return;
var endPoint = operationContext.CurrentTransformationMatrix.Transform(new PdfPoint(X, Y));
operationContext.CurrentSubpath.LineTo(endPoint.X, endPoint.Y);
operationContext.CurrentPosition = endPoint;