tsai
/
ImageSharp
mirror of https://github.com/SixLabors/ImageSharp
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

add draw text along path extension methods

pull/240/head
Scott Williams 9 years ago
parent
ae5bb0f4eb
commit
bc172ba12f
6 changed files with 454 additions and 182 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 2
      src/ImageSharp.Drawing/ImageSharp.Drawing.csproj
  2. 2
      src/ImageSharp.Drawing/Paths/DrawPathCollection.cs
  3. 200
      src/ImageSharp.Drawing/Text/DrawText.Path.cs
  4. 2
      src/ImageSharp.Drawing/Text/DrawText.cs
  5. 179
      tests/ImageSharp.Tests/Drawing/Paths/DrawPathCollection.cs
  6. 251
      tests/ImageSharp.Tests/Drawing/Text/DrawText.Path.cs

2
src/ImageSharp.Drawing/ImageSharp.Drawing.csproj
View File

@ -36,7 +36,7 @@
<ProjectReference Include="..\ImageSharp\ImageSharp.csproj" /> <ProjectReference Include="..\ImageSharp\ImageSharp.csproj" />
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<PackageReference Include="SixLabors.Shapes.Text" Version="0.1.0-alpha0014" /> <PackageReference Include="SixLabors.Shapes.Text" Version="0.1.0-alpha0016" />
<PackageReference Include="StyleCop.Analyzers" Version="1.1.0-beta001"> <PackageReference Include="StyleCop.Analyzers" Version="1.1.0-beta001">
<PrivateAssets>All</PrivateAssets> <PrivateAssets>All</PrivateAssets>
</PackageReference> </PackageReference>

2
src/ImageSharp.Drawing/Paths/DrawPathCollection.cs
View File

@ -30,7 +30,7 @@ namespace ImageSharp
{ {
foreach (IPath path in paths) foreach (IPath path in paths)
{ {
source.Draw(pen, new ShapePath(path), options); source.Draw(pen, path, options);
} }
return source; return source;

200
src/ImageSharp.Drawing/Text/DrawText.Path.cs
View File

@ -0,0 +1,200 @@
// <copyright file="DrawText.cs" company="James Jackson-South">
// Copyright (c) James Jackson-South and contributors.
// Licensed under the Apache License, Version 2.0.
// </copyright>
namespace ImageSharp
{
using System.Numerics;
using Drawing;
using Drawing.Brushes;
using Drawing.Pens;
using ImageSharp.PixelFormats;
using SixLabors.Fonts;
using SixLabors.Shapes;
/// <summary>
/// Extension methods for the <see cref="Image{TPixel}"/> type.
/// </summary>
public static partial class ImageExtensions
{
/// <summary>
/// Draws the text onto the the image filled via the brush.
/// </summary>
/// <typeparam name="TPixel">The type of the color.</typeparam>
/// <param name="source">The image this method extends.</param>
/// <param name="text">The text.</param>
/// <param name="font">The font.</param>
/// <param name="color">The color.</param>
/// <param name="path">The path.</param>
/// <returns>
/// The <see cref="Image{TPixel}" />.
/// </returns>
public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, TPixel color, IPath path)
where TPixel : struct, IPixel<TPixel>
{
return source.DrawText(text, font, color, path, TextGraphicsOptions.Default);
}
/// <summary>
/// Draws the text onto the the image filled via the brush.
/// </summary>
/// <typeparam name="TPixel">The type of the color.</typeparam>
/// <param name="source">The image this method extends.</param>
/// <param name="text">The text.</param>
/// <param name="font">The font.</param>
/// <param name="color">The color.</param>
/// <param name="path">The path.</param>
/// <param name="options">The options.</param>
/// <returns>
/// The <see cref="Image{TPixel}" />.
/// </returns>
public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, TPixel color, IPath path, TextGraphicsOptions options)
where TPixel : struct, IPixel<TPixel>
{
return source.DrawText(text, font, Brushes.Solid(color), null, path, options);
}
/// <summary>
/// Draws the text onto the the image filled via the brush.
/// </summary>
/// <typeparam name="TPixel">The type of the color.</typeparam>
/// <param name="source">The image this method extends.</param>
/// <param name="text">The text.</param>
/// <param name="font">The font.</param>
/// <param name="brush">The brush.</param>
/// <param name="path">The location.</param>
/// <returns>
/// The <see cref="Image{TPixel}" />.
/// </returns>
public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, IBrush<TPixel> brush, IPath path)
where TPixel : struct, IPixel<TPixel>
{
return source.DrawText(text, font, brush, path, TextGraphicsOptions.Default);
}
/// <summary>
/// Draws the text onto the the image filled via the brush.
/// </summary>
/// <typeparam name="TPixel">The type of the color.</typeparam>
/// <param name="source">The image this method extends.</param>
/// <param name="text">The text.</param>
/// <param name="font">The font.</param>
/// <param name="brush">The brush.</param>
/// <param name="path">The path.</param>
/// <param name="options">The options.</param>
/// <returns>
/// The <see cref="Image{TPixel}" />.
/// </returns>
public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, IBrush<TPixel> brush, IPath path, TextGraphicsOptions options)
where TPixel : struct, IPixel<TPixel>
{
return source.DrawText(text, font, brush, null, path, options);
}
/// <summary>
/// Draws the text onto the the image outlined via the pen.
/// </summary>
/// <typeparam name="TPixel">The type of the color.</typeparam>
/// <param name="source">The image this method extends.</param>
/// <param name="text">The text.</param>
/// <param name="font">The font.</param>
/// <param name="pen">The pen.</param>
/// <param name="path">The path.</param>
/// <returns>
/// The <see cref="Image{TPixel}" />.
/// </returns>
public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, IPen<TPixel> pen, IPath path)
where TPixel : struct, IPixel<TPixel>
{
return source.DrawText(text, font, pen, path, TextGraphicsOptions.Default);
}
/// <summary>
/// Draws the text onto the the image outlined via the pen.
/// </summary>
/// <typeparam name="TPixel">The type of the color.</typeparam>
/// <param name="source">The image this method extends.</param>
/// <param name="text">The text.</param>
/// <param name="font">The font.</param>
/// <param name="pen">The pen.</param>
/// <param name="path">The path.</param>
/// <param name="options">The options.</param>
/// <returns>
/// The <see cref="Image{TPixel}" />.
/// </returns>
public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, IPen<TPixel> pen, IPath path, TextGraphicsOptions options)
where TPixel : struct, IPixel<TPixel>
{
return source.DrawText(text, font, null, pen, path, options);
}
/// <summary>
/// Draws the text onto the the image filled via the brush then outlined via the pen.
/// </summary>
/// <typeparam name="TPixel">The type of the color.</typeparam>
/// <param name="source">The image this method extends.</param>
/// <param name="text">The text.</param>
/// <param name="font">The font.</param>
/// <param name="brush">The brush.</param>
/// <param name="pen">The pen.</param>
/// <param name="path">The path.</param>
/// <returns>
/// The <see cref="Image{TPixel}" />.
/// </returns>
public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, IBrush<TPixel> brush, IPen<TPixel> pen, IPath path)
where TPixel : struct, IPixel<TPixel>
{
return source.DrawText(text, font, brush, pen, path, TextGraphicsOptions.Default);
}
/// <summary>
/// Draws the text onto the the image filled via the brush then outlined via the pen.
/// </summary>
/// <typeparam name="TPixel">The type of the color.</typeparam>
/// <param name="source">The image this method extends.</param>
/// <param name="text">The text.</param>
/// <param name="font">The font.</param>
/// <param name="brush">The brush.</param>
/// <param name="pen">The pen.</param>
/// <param name="path">The path.</param>
/// <param name="options">The options.</param>
/// <returns>
/// The <see cref="Image{TPixel}" />.
/// </returns>
public static Image<TPixel> DrawText<TPixel>(this Image<TPixel> source, string text, Font font, IBrush<TPixel> brush, IPen<TPixel> pen, IPath path, TextGraphicsOptions options)
where TPixel : struct, IPixel<TPixel>
{
Vector2 dpi = DefaultTextDpi;
if (options.UseImageResolution)
{
dpi = new Vector2((float)source.MetaData.HorizontalResolution, (float)source.MetaData.VerticalResolution);
}
var style = new FontSpan(font, dpi)
{
ApplyKerning = options.ApplyKerning,
TabWidth = options.TabWidth,
WrappingWidth = options.WrapTextWidth,
HorizontalAlignment = options.HorizontalAlignment,
VerticalAlignment = options.VerticalAlignment
};
IPathCollection glyphs = TextBuilder.GenerateGlyphs(text, path, style);
var pathOptions = (GraphicsOptions)options;
if (brush != null)
{
source.Fill(brush, glyphs, pathOptions);
}
if (pen != null)
{
source.Draw(pen, glyphs, pathOptions);
}
return source;
}
}
}

2
src/ImageSharp.Drawing/Text/DrawText.cs
View File

@ -183,7 +183,7 @@ namespace ImageSharp
VerticalAlignment = options.VerticalAlignment VerticalAlignment = options.VerticalAlignment
}; };
IPathCollection glyphs = TextBuilder.GenerateGlyphs(text, style).Translate(location); // todo move to better API IPathCollection glyphs = TextBuilder.GenerateGlyphs(text, location, style);
var pathOptions = (GraphicsOptions)options; var pathOptions = (GraphicsOptions)options;
if (brush != null) if (brush != null)

179
tests/ImageSharp.Tests/Drawing/Paths/DrawPathCollection.cs
View File

@ -1,179 +0,0 @@

namespace ImageSharp.Tests.Drawing.Paths
{
using System;
using ImageSharp.Drawing.Brushes;
using Xunit;
using ImageSharp.Drawing;
using System.Numerics;
using SixLabors.Shapes;
using ImageSharp.Drawing.Processors;
using ImageSharp.Drawing.Pens;
using ImageSharp.PixelFormats;
public class DrawPathCollection : IDisposable
{
float thickness = 7.2f;
GraphicsOptions noneDefault = new GraphicsOptions();
Rgba32 color = Rgba32.HotPink;
SolidBrush<Rgba32> brush = Brushes.Solid(Rgba32.HotPink);
Pen<Rgba32> pen = new Pen<Rgba32>(Rgba32.Gray, 99.9f);
IPath path1 = new SixLabors.Shapes.Path(new LinearLineSegment(new Vector2[] {
new Vector2(10,10),
new Vector2(20,10),
new Vector2(20,10),
new Vector2(30,10),
}));
IPath path2 = new SixLabors.Shapes.Path(new LinearLineSegment(new Vector2[] {
new Vector2(10,10),
new Vector2(20,10),
new Vector2(20,10),
new Vector2(30,10),
}));
IPathCollection pathCollection;
private ProcessorWatchingImage img;
public DrawPathCollection()
{
this.pathCollection = new PathCollection(this.path1, this.path2);
this.img = new Paths.ProcessorWatchingImage(10, 10);
}
public void Dispose()
{
img.Dispose();
}
[Fact]
public void CorrectlySetsBrushThicknessAndPath()
{
img.Draw(brush, thickness, pathCollection);
Assert.NotEmpty(img.ProcessorApplications);
for (var i = 0; i < 2; i++)
{
DrawPathProcessor<Rgba32> processor = Assert.IsType<DrawPathProcessor<Rgba32>>(img.ProcessorApplications[i].processor);
Assert.Equal(GraphicsOptions.Default, processor.Options);
ShapePath shapepath = Assert.IsType<ShapePath>(processor.Path);
Assert.Contains(shapepath.Path, this.pathCollection);
Pen<Rgba32> pen = Assert.IsType<Pen<Rgba32>>(processor.Pen);
Assert.Equal(brush, pen.Brush);
Assert.Equal(thickness, pen.Width);
}
}
[Fact]
public void CorrectlySetsBrushThicknessPathAndOptions()
{
img.Draw(brush, thickness, pathCollection, noneDefault);
Assert.NotEmpty(img.ProcessorApplications);
for (var i = 0; i < 2; i++)
{
DrawPathProcessor<Rgba32> processor = Assert.IsType<DrawPathProcessor<Rgba32>>(img.ProcessorApplications[i].processor);
Assert.Equal(noneDefault, processor.Options);
ShapePath shapepath = Assert.IsType<ShapePath>(processor.Path);
Assert.Contains(shapepath.Path, pathCollection);
Pen<Rgba32> pen = Assert.IsType<Pen<Rgba32>>(processor.Pen);
Assert.Equal(brush, pen.Brush);
Assert.Equal(thickness, pen.Width);
}
}
[Fact]
public void CorrectlySetsColorThicknessAndPath()
{
img.Draw(color, thickness, pathCollection);
Assert.NotEmpty(img.ProcessorApplications);
for (var i = 0; i < 2; i++)
{
DrawPathProcessor<Rgba32> processor = Assert.IsType<DrawPathProcessor<Rgba32>>(img.ProcessorApplications[i].processor);
Assert.Equal(GraphicsOptions.Default, processor.Options);
ShapePath shapepath = Assert.IsType<ShapePath>(processor.Path);
Assert.Contains(shapepath.Path, pathCollection);
Pen<Rgba32> pen = Assert.IsType<Pen<Rgba32>>(processor.Pen);
Assert.Equal(thickness, pen.Width);
SolidBrush<Rgba32> brush = Assert.IsType<SolidBrush<Rgba32>>(pen.Brush);
Assert.Equal(color, brush.Color);
}
}
[Fact]
public void CorrectlySetsColorThicknessPathAndOptions()
{
img.Draw(color, thickness, pathCollection, noneDefault);
Assert.Equal(2, img.ProcessorApplications.Count);
for (var i = 0; i < 2; i++)
{
DrawPathProcessor<Rgba32> processor = Assert.IsType<DrawPathProcessor<Rgba32>>(img.ProcessorApplications[i].processor);
Assert.Equal(noneDefault, processor.Options);
ShapePath shapepath = Assert.IsType<ShapePath>(processor.Path);
Assert.Contains(shapepath.Path, pathCollection);
Pen<Rgba32> pen = Assert.IsType<Pen<Rgba32>>(processor.Pen);
Assert.Equal(thickness, pen.Width);
SolidBrush<Rgba32> brush = Assert.IsType<SolidBrush<Rgba32>>(pen.Brush);
Assert.Equal(color, brush.Color);
}
}
[Fact]
public void CorrectlySetsPenAndPath()
{
img.Draw(pen, pathCollection);
Assert.Equal(2, img.ProcessorApplications.Count);
for (var i = 0; i < 2; i++)
{
DrawPathProcessor<Rgba32> processor = Assert.IsType<DrawPathProcessor<Rgba32>>(img.ProcessorApplications[i].processor);
Assert.Equal(GraphicsOptions.Default, processor.Options);
ShapePath shapepath = Assert.IsType<ShapePath>(processor.Path);
Assert.Contains(shapepath.Path, pathCollection);
Assert.Equal(pen, processor.Pen);
}
}
[Fact]
public void CorrectlySetsPenPathAndOptions()
{
img.Draw(pen, pathCollection, noneDefault);
Assert.Equal(2, img.ProcessorApplications.Count);
for (var i = 0; i < 2; i++)
{
DrawPathProcessor<Rgba32> processor = Assert.IsType<DrawPathProcessor<Rgba32>>(img.ProcessorApplications[i].processor);
Assert.Equal(noneDefault, processor.Options);
ShapePath shapepath = Assert.IsType<ShapePath>(processor.Path);
Assert.Contains(shapepath.Path, pathCollection);
Assert.Equal(pen, processor.Pen);
}
}
}
}

251
tests/ImageSharp.Tests/Drawing/Text/DrawText.Path.cs
View File

@ -0,0 +1,251 @@
// <copyright file="DrawText.cs" company="James Jackson-South">
// Copyright (c) James Jackson-South and contributors.
// Licensed under the Apache License, Version 2.0.
// </copyright>
namespace ImageSharp.Tests.Drawing.Text
{
using System;
using System.Numerics;
using ImageSharp.Drawing;
using ImageSharp.Drawing.Brushes;
using ImageSharp.Drawing.Pens;
using ImageSharp.Drawing.Processors;
using ImageSharp.PixelFormats;
using ImageSharp.Tests.Drawing.Paths;
using SixLabors.Fonts;
using SixLabors.Shapes;
using Xunit;
public class DrawText_Path : IDisposable
{
Rgba32 color = Rgba32.HotPink;
SolidBrush<Rgba32> brush = Brushes.Solid(Rgba32.HotPink);
IPath path = new SixLabors.Shapes.Path(
new LinearLineSegment(
new Vector2[] { new Vector2(10, 10), new Vector2(20, 10), new Vector2(20, 10), new Vector2(30, 10), }));
private ProcessorWatchingImage img;
private readonly FontCollection FontCollection;
private readonly Font Font;
public DrawText_Path()
{
this.FontCollection = new FontCollection();
this.Font = this.FontCollection.Install(TestFontUtilities.GetPath("SixLaborsSampleAB.woff"));
this.img = new ProcessorWatchingImage(10, 10);
}
public void Dispose()
{
this.img.Dispose();
}
[Fact]
public void FillsForEachACharachterWhenBrushSetAndNotPen()
{
this.img.DrawText(
"123",
this.Font,
Brushes.Solid(Rgba32.Red),
null,
path,
new TextGraphicsOptions(true));
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
}
[Fact]
public void FillsForEachACharachterWhenBrushSetAndNotPenDefaultOptions()
{
this.img.DrawText("123", this.Font, Brushes.Solid(Rgba32.Red), null, path);
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
}
[Fact]
public void FillsForEachACharachterWhenBrushSet()
{
this.img.DrawText("123", this.Font, Brushes.Solid(Rgba32.Red), path, new TextGraphicsOptions(true));
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
}
[Fact]
public void FillsForEachACharachterWhenBrushSetDefaultOptions()
{
this.img.DrawText("123", this.Font, Brushes.Solid(Rgba32.Red), path);
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
}
[Fact]
public void FillsForEachACharachterWhenColorSet()
{
this.img.DrawText("123", this.Font, Rgba32.Red, path, new TextGraphicsOptions(true));
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(3, this.img.ProcessorApplications.Count);
FillRegionProcessor<Rgba32> processor =
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
SolidBrush<Rgba32> brush = Assert.IsType<SolidBrush<Rgba32>>(processor.Brush);
Assert.Equal(Rgba32.Red, brush.Color);
}
[Fact]
public void FillsForEachACharachterWhenColorSetDefaultOptions()
{
this.img.DrawText("123", this.Font, Rgba32.Red, path);
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(3, this.img.ProcessorApplications.Count);
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
FillRegionProcessor<Rgba32> processor =
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
SolidBrush<Rgba32> brush = Assert.IsType<SolidBrush<Rgba32>>(processor.Brush);
Assert.Equal(Rgba32.Red, brush.Color);
}
[Fact]
public void DrawForEachACharachterWhenPenSetAndNotBrush()
{
this.img.DrawText(
"123",
this.Font,
null,
Pens.Dash(Rgba32.Red, 1),
path,
new TextGraphicsOptions(true));
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
}
[Fact]
public void DrawForEachACharachterWhenPenSetAndNotBrushDefaultOptions()
{
this.img.DrawText("123", this.Font, null, Pens.Dash(Rgba32.Red, 1), path);
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
}
[Fact]
public void DrawForEachACharachterWhenPenSet()
{
this.img.DrawText("123", this.Font, Pens.Dash(Rgba32.Red, 1), path, new TextGraphicsOptions(true));
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
}
[Fact]
public void DrawForEachACharachterWhenPenSetDefaultOptions()
{
this.img.DrawText("123", this.Font, Pens.Dash(Rgba32.Red, 1), path);
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(3, this.img.ProcessorApplications.Count); // 3 fills where applied
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
}
[Fact]
public void DrawForEachACharachterWhenPenSetAndFillFroEachWhenBrushSet()
{
this.img.DrawText(
"123",
this.Font,
Brushes.Solid(Rgba32.Red),
Pens.Dash(Rgba32.Red, 1),
path,
new TextGraphicsOptions(true));
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(6, this.img.ProcessorApplications.Count);
}
[Fact]
public void DrawForEachACharachterWhenPenSetAndFillFroEachWhenBrushSetDefaultOptions()
{
this.img.DrawText("123", this.Font, Brushes.Solid(Rgba32.Red), Pens.Dash(Rgba32.Red, 1), path);
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(6, this.img.ProcessorApplications.Count);
}
[Fact]
public void BrushAppliesBeforPen()
{
this.img.DrawText(
"1",
this.Font,
Brushes.Solid(Rgba32.Red),
Pens.Dash(Rgba32.Red, 1),
path,
new TextGraphicsOptions(true));
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(2, this.img.ProcessorApplications.Count);
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[1].processor);
}
[Fact]
public void BrushAppliesBeforPenDefaultOptions()
{
this.img.DrawText("1", this.Font, Brushes.Solid(Rgba32.Red), Pens.Dash(Rgba32.Red, 1), path);
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(2, this.img.ProcessorApplications.Count);
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[1].processor);
}
[Fact]
public void GlyphHeightChangesBasedOnuseImageResolutionFlag()
{
this.img.MetaData.VerticalResolution = 1;
this.img.MetaData.HorizontalResolution = 1;
this.img.DrawText("1", this.Font, Brushes.Solid(Rgba32.Red), path, new TextGraphicsOptions(true) {
UseImageResolution = false
});
this.img.DrawText("1", this.Font, Brushes.Solid(Rgba32.Red), path, new TextGraphicsOptions(true)
{
UseImageResolution = true
});
Assert.NotEmpty(this.img.ProcessorApplications);
Assert.Equal(2, this.img.ProcessorApplications.Count);
FillRegionProcessor<Rgba32> ownResolution = Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[0].processor);
FillRegionProcessor<Rgba32> imgResolution = Assert.IsType<FillRegionProcessor<Rgba32>>(this.img.ProcessorApplications[1].processor);
ShapeRegion ownRegion = Assert.IsType<ShapeRegion>(ownResolution.Region);
ShapeRegion imgRegion = Assert.IsType<ShapeRegion>(imgResolution.Region);
// magic numbers based on the font used at well known resolutions
Assert.Equal(7.44, ownRegion.Shape.Bounds.Height, 2);
Assert.Equal(0.1, imgRegion.Shape.Bounds.Height, 2);
}
}
}
Write Preview
Loading…
Cancel
Save