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Merge pull request #237 from BobLd/operationcontext-refactor

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Using `byte[]` for `IPageImageRenderer` and keeping the point on `ModifyCurrentTransformationMatrix.cs` in mind.
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BobLd 2020-11-27 11:29:45 +00:00 committed by GitHub
commit 6e69160b4e
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32 changed files with 505 additions and 122 deletions
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6
src/UglyToad.PdfPig.Core/PdfSubpath.cs
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@ -160,9 +160,9 @@
throw new ArgumentNullException("LineTo(): currentPosition is null.");
}
}
/// <summary>
/// Adds 4 <see cref="Line"/>s forming a rectangle to the path.
/// Add a rectangle following the pdf specification (m, l, l, l, c) path. A new subpath is created.
/// </summary>
public void Rectangle(double x, double y, double width, double height)
{
@ -174,8 +174,6 @@
CloseSubpath(); // h
IsDrawnAsRectangle = true;
}
internal void QuadraticCurveTo(double x1, double y1, double x2, double y2) { }
/// <summary>
/// Add a <see cref="BezierCurve"/> to the path.

147
src/UglyToad.PdfPig.Tests/Graphics/TestOperationContext.cs
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@ -7,6 +7,8 @@
using PdfPig.Tokens;
using PdfPig.Core;
using Tokens;
using UglyToad.PdfPig.Graphics.Core;
using UglyToad.PdfPig.Graphics.Operations.TextPositioning;
internal class TestOperationContext : IOperationContext
{
@ -88,6 +90,66 @@
}
public void MoveTo(double x, double y)
{
BeginSubpath();
var point = CurrentTransformationMatrix.Transform(new PdfPoint(x, y));
CurrentPosition = point;
CurrentSubpath.MoveTo(point.X, point.Y);
}
public void BezierCurveTo(double x2, double y2, double x3, double y3)
{
if (CurrentSubpath == null)
{
return;
}
var controlPoint2 = CurrentTransformationMatrix.Transform(new PdfPoint(x2, y2));
var end = CurrentTransformationMatrix.Transform(new PdfPoint(x3, y3));
CurrentSubpath.BezierCurveTo(CurrentPosition.X, CurrentPosition.Y, controlPoint2.X, controlPoint2.Y, end.X, end.Y);
CurrentPosition = end;
}
public void BezierCurveTo(double x1, double y1, double x2, double y2, double x3, double y3)
{
if (CurrentSubpath == null)
{
return;
}
var controlPoint1 = CurrentTransformationMatrix.Transform(new PdfPoint(x1, y1));
var controlPoint2 = CurrentTransformationMatrix.Transform(new PdfPoint(x2, y2));
var end = CurrentTransformationMatrix.Transform(new PdfPoint(x3, y3));
CurrentSubpath.BezierCurveTo(controlPoint1.X, controlPoint1.Y, controlPoint2.X, controlPoint2.Y, end.X, end.Y);
CurrentPosition = end;
}
public void LineTo(double x, double y)
{
if (CurrentSubpath == null)
{
return;
}
var endPoint = CurrentTransformationMatrix.Transform(new PdfPoint(x, y));
CurrentSubpath.LineTo(endPoint.X, endPoint.Y);
CurrentPosition = endPoint;
}
public void Rectangle(double x, double y, double width, double height)
{
BeginSubpath();
var lowerLeft = CurrentTransformationMatrix.Transform(new PdfPoint(x, y));
var upperRight = CurrentTransformationMatrix.Transform(new PdfPoint(x + width, y + height));
CurrentSubpath.Rectangle(lowerLeft.X, lowerLeft.Y, upperRight.X - lowerLeft.X, upperRight.Y - lowerLeft.Y);
AddCurrentSubpath();
}
public void EndPath()
{
}
@ -124,6 +186,91 @@
{
}
private void AdjustTextMatrix(double tx, double ty)
{
var matrix = TransformationMatrix.GetTranslationMatrix(tx, ty);
TextMatrices.TextMatrix = matrix.Multiply(TextMatrices.TextMatrix);
}
public void SetFlatnessTolerance(decimal tolerance)
{
GetCurrentState().Flatness = tolerance;
}
public void SetLineCap(LineCapStyle cap)
{
GetCurrentState().CapStyle = cap;
}
public void SetLineDashPattern(LineDashPattern pattern)
{
GetCurrentState().LineDashPattern = pattern;
}
public void SetLineJoin(LineJoinStyle join)
{
GetCurrentState().JoinStyle = join;
}
public void SetLineWidth(decimal width)
{
GetCurrentState().LineWidth = width;
}
public void SetMiterLimit(decimal limit)
{
GetCurrentState().MiterLimit = limit;
}
public void MoveToNextLineWithOffset()
{
var tdOperation = new MoveToNextLineWithOffset(0, -1 * (decimal)GetCurrentState().FontState.Leading);
tdOperation.Run(this);
}
public void SetFontAndSize(NameToken font, double size)
{
var currentState = GetCurrentState();
currentState.FontState.FontSize = size;
currentState.FontState.FontName = font;
}
public void SetHorizontalScaling(double scale)
{
GetCurrentState().FontState.HorizontalScaling = scale;
}
public void SetTextLeading(double leading)
{
GetCurrentState().FontState.Leading = leading;
}
public void SetTextRenderingMode(TextRenderingMode mode)
{
GetCurrentState().FontState.TextRenderingMode = mode;
}
public void SetTextRise(double rise)
{
GetCurrentState().FontState.Rise = rise;
}
public void SetWordSpacing(double spacing)
{
GetCurrentState().FontState.WordSpacing = spacing;
}
public void ModifyCurrentTransformationMatrix(double[] value)
{
var ctm = GetCurrentState().CurrentTransformationMatrix;
GetCurrentState().CurrentTransformationMatrix = TransformationMatrix.FromArray(value).Multiply(ctm);
}
public void SetCharacterSpacing(double spacing)
{
GetCurrentState().FontState.CharacterSpacing = spacing;
}
private class TestFontFactory : IFontFactory
{
public IFont Get(DictionaryToken dictionary)

3
src/UglyToad.PdfPig.Tests/PublicApiScannerTests.cs
View File

@ -74,6 +74,7 @@
"UglyToad.PdfPig.Content.IPdfImage",
"UglyToad.PdfPig.Content.Letter",
"UglyToad.PdfPig.Content.MarkedContentElement",
"UglyToad.PdfPig.Content.MediaBox",
"UglyToad.PdfPig.Content.Page",
"UglyToad.PdfPig.Content.PageRotationDegrees",
"UglyToad.PdfPig.Content.PageSize",
@ -197,6 +198,8 @@
"UglyToad.PdfPig.ParsingOptions",
"UglyToad.PdfPig.PdfDocument",
"UglyToad.PdfPig.PdfExtensions",
"UglyToad.PdfPig.Rendering.IPageImageRenderer",
"UglyToad.PdfPig.Rendering.PdfRendererImageFormat",
"UglyToad.PdfPig.Structure",
"UglyToad.PdfPig.Util.Adler32Checksum",
"UglyToad.PdfPig.Util.IWordExtractor",

1
src/UglyToad.PdfPig.Tokens/NameToken.Constants.cs
View File

@ -338,6 +338,7 @@
public static readonly NameToken MarkInfo = new NameToken("MarkInfo");
public static readonly NameToken Mask = new NameToken("Mask");
public static readonly NameToken Matrix = new NameToken("Matrix");
public static readonly NameToken Matte = new NameToken("Matte");
public static readonly NameToken MaxLen = new NameToken("MaxLen");
public static readonly NameToken MaxWidth = new NameToken("MaxWidth");
public static readonly NameToken Mcid = new NameToken("MCID");

8
src/UglyToad.PdfPig/Content/MediaBox.cs
View File

@ -9,7 +9,7 @@
/// <remarks>
/// See table 3.27 from the PDF specification version 1.7.
/// </remarks>
internal class MediaBox
public class MediaBox
{
///<summary>
/// User space units per inch.
@ -66,8 +66,14 @@
/// </summary>
public static readonly MediaBox A6 = new MediaBox(new PdfRectangle(0, 0, 105 * PointsPerMm, 148 * PointsPerMm));
/// <summary>
/// A rectangle, expressed in default user space units, that defines the boundaries of the physical medium on which the page shall be displayed or printed.
/// </summary>
public PdfRectangle Bounds { get; }
/// <summary>
/// Create a new <see cref="MediaBox"/>.
/// </summary>
public MediaBox(PdfRectangle? bounds)
{
Bounds = bounds ?? throw new ArgumentNullException(nameof(bounds));

5
src/UglyToad.PdfPig/Content/Page.cs
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@ -35,7 +35,10 @@
/// </summary>
public CropBox CropBox { get; }
internal MediaBox MediaBox { get; }
/// <summary>
/// Defines the boundaries of the physical medium on which the page shall be displayed or printed.
/// </summary>
public MediaBox MediaBox { get; }
internal PageContent Content { get; }

157
src/UglyToad.PdfPig/Graphics/ContentStreamProcessor.cs
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@ -1,9 +1,5 @@
namespace UglyToad.PdfPig.Graphics
{
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using Colors;
using Content;
using Core;
@ -14,8 +10,13 @@
using Parser;
using PdfFonts;
using PdfPig.Core;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using Tokenization.Scanner;
using Tokens;
using UglyToad.PdfPig.Graphics.Operations.TextPositioning;
using XObjects;
using static PdfPig.Core.PdfSubpath;
@ -560,7 +561,67 @@
ClosePath();
}
public void MoveTo(double x, double y)
{
BeginSubpath();
var point = CurrentTransformationMatrix.Transform(new PdfPoint(x, y));
CurrentPosition = point;
CurrentSubpath.MoveTo(point.X, point.Y);
}
public void BezierCurveTo(double x2, double y2, double x3, double y3)
{
if (CurrentSubpath == null)
{
return;
}
var controlPoint2 = CurrentTransformationMatrix.Transform(new PdfPoint(x2, y2));
var end = CurrentTransformationMatrix.Transform(new PdfPoint(x3, y3));
CurrentSubpath.BezierCurveTo(CurrentPosition.X, CurrentPosition.Y, controlPoint2.X, controlPoint2.Y, end.X, end.Y);
CurrentPosition = end;
}
public void BezierCurveTo(double x1, double y1, double x2, double y2, double x3, double y3)
{
if (CurrentSubpath == null)
{
return;
}
var controlPoint1 = CurrentTransformationMatrix.Transform(new PdfPoint(x1, y1));
var controlPoint2 = CurrentTransformationMatrix.Transform(new PdfPoint(x2, y2));
var end = CurrentTransformationMatrix.Transform(new PdfPoint(x3, y3));
CurrentSubpath.BezierCurveTo(controlPoint1.X, controlPoint1.Y, controlPoint2.X, controlPoint2.Y, end.X, end.Y);
CurrentPosition = end;
}
public void LineTo(double x, double y)
{
if (CurrentSubpath == null)
{
return;
}
var endPoint = CurrentTransformationMatrix.Transform(new PdfPoint(x, y));
CurrentSubpath.LineTo(endPoint.X, endPoint.Y);
CurrentPosition = endPoint;
}
public void Rectangle(double x, double y, double width, double height)
{
BeginSubpath();
var lowerLeft = CurrentTransformationMatrix.Transform(new PdfPoint(x, y));
var upperRight = CurrentTransformationMatrix.Transform(new PdfPoint(x + width, y + height));
CurrentSubpath.Rectangle(lowerLeft.X, lowerLeft.Y, upperRight.X - lowerLeft.X, upperRight.Y - lowerLeft.Y);
AddCurrentSubpath();
}
public void EndPath()
{
if (CurrentPath == null)
@ -744,7 +805,10 @@
if (markedContentStack.CanPop)
{
var mc = markedContentStack.Pop(pdfScanner);
if (mc != null) markedContents.Add(mc);
if (mc != null)
{
markedContents.Add(mc);
}
}
}
@ -752,9 +816,86 @@
{
var matrix = TransformationMatrix.GetTranslationMatrix(tx, ty);
var newMatrix = matrix.Multiply(TextMatrices.TextMatrix);
TextMatrices.TextMatrix = matrix.Multiply(TextMatrices.TextMatrix);
}
TextMatrices.TextMatrix = newMatrix;
public void SetFlatnessTolerance(decimal tolerance)
{
GetCurrentState().Flatness = tolerance;
}
public void SetLineCap(LineCapStyle cap)
{
GetCurrentState().CapStyle = cap;
}
public void SetLineDashPattern(LineDashPattern pattern)
{
GetCurrentState().LineDashPattern = pattern;
}
public void SetLineJoin(LineJoinStyle join)
{
GetCurrentState().JoinStyle = join;
}
public void SetLineWidth(decimal width)
{
GetCurrentState().LineWidth = width;
}
public void SetMiterLimit(decimal limit)
{
GetCurrentState().MiterLimit = limit;
}
public void MoveToNextLineWithOffset()
{
var tdOperation = new MoveToNextLineWithOffset(0, -1 * (decimal)GetCurrentState().FontState.Leading);
tdOperation.Run(this);
}
public void SetFontAndSize(NameToken font, double size)
{
var currentState = GetCurrentState();
currentState.FontState.FontSize = size;
currentState.FontState.FontName = font;
}
public void SetHorizontalScaling(double scale)
{
GetCurrentState().FontState.HorizontalScaling = scale;
}
public void SetTextLeading(double leading)
{
GetCurrentState().FontState.Leading = leading;
}
public void SetTextRenderingMode(TextRenderingMode mode)
{
GetCurrentState().FontState.TextRenderingMode = mode;
}
public void SetTextRise(double rise)
{
GetCurrentState().FontState.Rise = rise;
}
public void SetWordSpacing(double spacing)
{
GetCurrentState().FontState.WordSpacing = spacing;
}
public void ModifyCurrentTransformationMatrix(double[] value)
{
var ctm = GetCurrentState().CurrentTransformationMatrix;
GetCurrentState().CurrentTransformationMatrix = TransformationMatrix.FromArray(value).Multiply(ctm);
}
public void SetCharacterSpacing(double spacing)
{
GetCurrentState().FontState.CharacterSpacing = spacing;
}
}
}

144
src/UglyToad.PdfPig/Graphics/IOperationContext.cs
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@ -3,25 +3,13 @@
using PdfPig.Core;
using System.Collections.Generic;
using Tokens;
using Util.JetBrains.Annotations;
using UglyToad.PdfPig.Graphics.Core;
/// <summary>
/// The current graphics state context when running a PDF content stream.
/// </summary>
public interface IOperationContext
{
/// <summary>
/// The current subpath being drawn if applicable.
/// </summary>
[CanBeNull]
PdfSubpath CurrentSubpath { get; }
/// <summary>
/// The current path being drawn if applicable.
/// </summary>
[CanBeNull]
PdfPath CurrentPath { get; }
/// <summary>
/// The active colorspaces for this content stream.
/// </summary>
@ -32,22 +20,11 @@
/// </summary>
PdfPoint CurrentPosition { get; set; }
/// <summary>
/// Get the currently active <see cref="CurrentGraphicsState"/>. States are stored on a stack structure.
/// </summary>
/// <returns>The currently active graphics state.</returns>
CurrentGraphicsState GetCurrentState();
/// <summary>
/// The matrices for the current text state.
/// </summary>
TextMatrices TextMatrices { get; }
/// <summary>
/// The current transformation matrix
/// </summary>
TransformationMatrix CurrentTransformationMatrix { get; }
/// <summary>
/// The number of graphics states on the stack.
/// </summary>
@ -59,7 +36,7 @@
void PopState();
/// <summary>
/// Saves a copy of the current graphics state on the stack.
/// Saves a copy of the current graphics state on the stack.
/// </summary>
void PushState();
@ -85,7 +62,7 @@
/// Start a new sub-path.
/// </summary>
void BeginSubpath();
/// <summary>
/// Close the current subpath.
/// </summary>
@ -116,6 +93,36 @@
/// <param name="close">Whether to also close the path.</param>
void FillStrokePath(FillingRule fillingRule, bool close);
/// <summary>
/// Add a move command to the path.
/// <para>Should implement matrix transformations.</para>
/// </summary>
void MoveTo(double x, double y);
/// <summary>
/// Add a bezier curve to the current subpath.
/// <para>Should implement matrix transformations.</para>
/// </summary>
void BezierCurveTo(double x1, double y1, double x2, double y2, double x3, double y3);
/// <summary>
/// Add a bezier curve to the current subpath.
/// <para>Should implement matrix transformations.</para>
/// </summary>
void BezierCurveTo(double x2, double y2, double x3, double y3);
/// <summary>
/// Add a line command to the subpath.
/// <para>Should implement matrix transformations.</para>
/// </summary>
void LineTo(double x, double y);
/// <summary>
/// Add a rectangle following the pdf specification (m, l, l, l, c) path. A new subpath will be created.
/// <para>Should implement matrix transformations.</para>
/// </summary>
void Rectangle(double x, double y, double width, double height);
/// <summary>
/// End the path object without filling or stroking it. This operator shall be a path-painting no-op,
/// used primarily for the side effect of changing the current clipping path (see 8.5.4, "Clipping Path Operators").
@ -162,5 +169,90 @@
/// Modify the clipping rule of the current path.
/// </summary>
void ModifyClippingIntersect(FillingRule clippingRule);
/// <summary>
/// Set the flatness tolerance in the graphics state.
/// Flatness is a number in the range 0 to 100; a value of 0 specifies the output device’s default flatness tolerance.
/// </summary>
/// <param name="tolerance"></param>
void SetFlatnessTolerance(decimal tolerance);
/// <summary>
/// Set the line cap style in the graphics state.
/// </summary>
void SetLineCap(LineCapStyle cap);
/// <summary>
/// Set the line dash pattern in the graphics state.
/// </summary>
void SetLineDashPattern(LineDashPattern pattern);
/// <summary>
/// Set the line join style in the graphics state.
/// </summary>
void SetLineJoin(LineJoinStyle join);
/// <summary>
/// Set the line width in the graphics state.
/// </summary>
void SetLineWidth(decimal width);
/// <summary>
/// Set the miter limit in the graphics state.
/// </summary>
void SetMiterLimit(decimal limit);
/// <summary>
/// Move to the start of the next line.
/// </summary>
/// <remarks>
/// This performs this operation: 0 -Tl Td
/// The offset is negative leading text (Tl) value, this is incorrect in the specification.
/// </remarks>
void MoveToNextLineWithOffset();
/// <summary>
/// Set the font and the font size.
/// Font is the name of a font resource in the Font subdictionary of the current resource dictionary.
/// Size is a number representing a scale factor.
/// </summary>
void SetFontAndSize(NameToken font, double size);
/// <summary>
/// Set the horizontal scaling.
/// </summary>
/// <param name="scale"></param>
void SetHorizontalScaling(double scale);
/// <summary>
/// Set the text leading.
/// </summary>
void SetTextLeading(double leading);
/// <summary>
/// Set the text rendering mode.
/// </summary>
void SetTextRenderingMode(TextRenderingMode mode);
/// <summary>
/// Set text rise.
/// </summary>
void SetTextRise(double rise);
/// <summary>
/// Sets the word spacing.
/// </summary>
void SetWordSpacing(double spacing);
/// <summary>
/// Modify the current transformation matrix by concatenating the specified matrix.
/// </summary>
void ModifyCurrentTransformationMatrix(double[] value);
/// <summary>
/// Set the character spacing to a number expressed in unscaled text space units.
/// Initial value: 0.
/// </summary>
void SetCharacterSpacing(double spacing);
}
}

2
src/UglyToad.PdfPig/Graphics/Operations/General/SetFlatnessTolerance.cs
View File

@ -35,7 +35,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
operationContext.GetCurrentState().Flatness = Tolerance;
operationContext.SetFlatnessTolerance(Tolerance);
}
/// <inheritdoc />

2
src/UglyToad.PdfPig/Graphics/Operations/General/SetLineCap.cs
View File

@ -45,7 +45,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
operationContext.GetCurrentState().CapStyle = Cap;
operationContext.SetLineCap(Cap);
}
/// <inheritdoc />

2
src/UglyToad.PdfPig/Graphics/Operations/General/SetLineDashPattern.cs
View File

@ -33,7 +33,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
operationContext.GetCurrentState().LineDashPattern = Pattern;
operationContext.SetLineDashPattern(Pattern);
}
/// <inheritdoc />

2
src/UglyToad.PdfPig/Graphics/Operations/General/SetLineJoin.cs
View File

@ -40,7 +40,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
operationContext.GetCurrentState().JoinStyle = Join;
operationContext.SetLineJoin(Join);
}
/// <inheritdoc />

4
src/UglyToad.PdfPig/Graphics/Operations/General/SetLineWidth.cs
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@ -33,9 +33,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
var currentState = operationContext.GetCurrentState();
currentState.LineWidth = Width;
operationContext.SetLineWidth(Width);
}
/// <inheritdoc />

4
src/UglyToad.PdfPig/Graphics/Operations/General/SetMiterLimit.cs
View File

@ -33,9 +33,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
var currentState = operationContext.GetCurrentState();
currentState.MiterLimit = Limit;
operationContext.SetMiterLimit(Limit);
}
/// <inheritdoc />

1
src/UglyToad.PdfPig/Graphics/Operations/IGraphicsStateOperation.cs
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@ -20,6 +20,7 @@
/// <summary>
/// Applies the operation to the current context with the provided resources.
/// <para>Matrix transformations should be implemented in <see cref="IOperationContext"/>.</para>
/// </summary>
/// <param name="operationContext"></param>
void Run(IOperationContext operationContext);

9
src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendDualControlPointBezierCurve.cs
View File

@ -71,14 +71,7 @@
/// <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));
operationContext.CurrentSubpath.BezierCurveTo(controlPoint1.X, controlPoint1.Y,
controlPoint2.X, controlPoint2.Y, end.X, end.Y);
operationContext.CurrentPosition = end;
operationContext.BezierCurveTo((double)X1, (double)Y1, (double)X2, (double)Y2, (double)X3, (double)Y3);
}
/// <inheritdoc />

7
src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendEndControlPointBezierCurve.cs
View File

@ -56,12 +56,7 @@
/// <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);
operationContext.CurrentPosition = end;
operationContext.BezierCurveTo((double)X1, (double)Y1, (double)X3, (double)Y3, (double)X3, (double)Y3);
}
/// <inheritdoc />

7
src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendRectangle.cs
View File

@ -56,12 +56,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
operationContext.BeginSubpath();
var lowerLeft = operationContext.CurrentTransformationMatrix.Transform(new PdfPoint(LowerLeftX, LowerLeftY));
var upperRight = operationContext.CurrentTransformationMatrix.Transform(new PdfPoint(LowerLeftX + Width, LowerLeftY + Height));
operationContext.CurrentSubpath.Rectangle(lowerLeft.X, lowerLeft.Y, upperRight.X - lowerLeft.X, upperRight.Y - lowerLeft.Y);
operationContext.AddCurrentSubpath();
operationContext.Rectangle((double)LowerLeftX, (double)LowerLeftY, (double)Width, (double)Height);
}
/// <inheritdoc />

12
src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendStartControlPointBezierCurve.cs
View File

@ -56,17 +56,7 @@
/// <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,
operationContext.CurrentPosition.Y,
controlPoint2.X,
controlPoint2.Y,
end.X,
end.Y);
operationContext.CurrentPosition = end;
operationContext.BezierCurveTo((double)X2, (double)Y2, (double)X3, (double)Y3);
}
/// <inheritdoc />

6
src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendStraightLineSegment.cs
View File

@ -41,11 +41,7 @@
/// <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;
operationContext.LineTo((double)X, (double)Y);
}
/// <inheritdoc />

5
src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/BeginNewSubpath.cs
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@ -41,10 +41,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
operationContext.BeginSubpath();
var point = operationContext.CurrentTransformationMatrix.Transform(new PdfPoint(X, Y));
operationContext.CurrentPosition = point;
operationContext.CurrentSubpath.MoveTo(point.X, point.Y);
operationContext.MoveTo((double)X, (double)Y);
}
/// <inheritdoc />

8
src/UglyToad.PdfPig/Graphics/Operations/SpecialGraphicsState/ModifyCurrentTransformationMatrix.cs
View File

@ -44,13 +44,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
var newMatrix = TransformationMatrix.FromArray(Value);
var ctm = operationContext.GetCurrentState().CurrentTransformationMatrix;
var newCtm = newMatrix.Multiply(ctm);
operationContext.GetCurrentState().CurrentTransformationMatrix = newCtm;
operationContext.ModifyCurrentTransformationMatrix(Array.ConvertAll(Value, x => (double)x));
}
/// <inheritdoc />

4
src/UglyToad.PdfPig/Graphics/Operations/TextPositioning/MoveToNextLine.cs
View File

@ -32,9 +32,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
var tdOperation = new MoveToNextLineWithOffset(0, -1 * (decimal)operationContext.GetCurrentState().FontState.Leading);
tdOperation.Run(operationContext);
operationContext.MoveToNextLineWithOffset();
}
/// <inheritdoc />

4
src/UglyToad.PdfPig/Graphics/Operations/TextState/SetCharacterSpacing.cs
View File

@ -34,9 +34,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
var currentState = operationContext.GetCurrentState();
currentState.FontState.CharacterSpacing = (double)Spacing;
operationContext.SetCharacterSpacing((double)Spacing);
}
/// <inheritdoc />

5
src/UglyToad.PdfPig/Graphics/Operations/TextState/SetFontAndSize.cs
View File

@ -48,10 +48,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
var currentState = operationContext.GetCurrentState();
currentState.FontState.FontSize = (double)Size;
currentState.FontState.FontName = Font;
operationContext.SetFontAndSize(Font, (double)Size);
}
/// <inheritdoc />

4
src/UglyToad.PdfPig/Graphics/Operations/TextState/SetHorizontalScaling.cs
View File

@ -30,9 +30,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
var currentState = operationContext.GetCurrentState();
currentState.FontState.HorizontalScaling = (double)Scale;
operationContext.SetHorizontalScaling((double)Scale);
}
/// <inheritdoc />

4
src/UglyToad.PdfPig/Graphics/Operations/TextState/SetTextLeading.cs
View File

@ -33,9 +33,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
var currentState = operationContext.GetCurrentState();
currentState.FontState.Leading = (double)Leading;
operationContext.SetTextLeading((double)Leading);
}
/// <inheritdoc />

4
src/UglyToad.PdfPig/Graphics/Operations/TextState/SetTextRenderingMode.cs
View File

@ -33,9 +33,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
var currentState = operationContext.GetCurrentState();
currentState.FontState.TextRenderingMode = Mode;
operationContext.SetTextRenderingMode(Mode);
}
/// <inheritdoc />

4
src/UglyToad.PdfPig/Graphics/Operations/TextState/SetTextRise.cs
View File

@ -33,9 +33,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
var currentState = operationContext.GetCurrentState();
currentState.FontState.Rise = (double)Rise;
operationContext.SetTextRise((double)Rise);
}
/// <inheritdoc />

4
src/UglyToad.PdfPig/Graphics/Operations/TextState/SetWordSpacing.cs
View File

@ -34,9 +34,7 @@
/// <inheritdoc />
public void Run(IOperationContext operationContext)
{
var currentState = operationContext.GetCurrentState();
currentState.FontState.WordSpacing = (double)Spacing;
operationContext.SetWordSpacing((double)Spacing);
}
/// <inheritdoc />

19
src/UglyToad.PdfPig/Rendering/IPageImageRenderer.cs Normal file
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@ -0,0 +1,19 @@
using UglyToad.PdfPig.Content;
namespace UglyToad.PdfPig.Rendering
{
/// <summary>
/// Render page as an image.
/// </summary>
public interface IPageImageRenderer
{
/// <summary>
/// Render page as an image.
/// </summary>
/// <param name="page">The pdf page.</param>
/// <param name="scale">The scale to apply to the page (i.e. zoom level).</param>
/// <param name="imageFormat">The output image format, if supported.</param>
/// <returns>The image as a memory stream.</returns>
byte[] Render(Page page, double scale, PdfRendererImageFormat imageFormat);
}
}

33
src/UglyToad.PdfPig/Rendering/PdfRendererImageFormat.cs Normal file
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@ -0,0 +1,33 @@
namespace UglyToad.PdfPig.Rendering
{
/// <summary>
/// The output image format of the <see cref="IPageImageRenderer"/>.
/// </summary>
public enum PdfRendererImageFormat : byte
{
/// <summary>
/// Bitmap image format.
/// </summary>
Bmp,
/// <summary>
/// Jpeg/Jpg image format.
/// </summary>
Jpeg,
/// <summary>
/// Png image format.
/// </summary>
Png,
/// <summary>
/// Tiff image format.
/// </summary>
Tiff,
/// <summary>
/// Gif image format.
/// </summary>
Gif
}
}