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add FontShapesAreRenderedCorrectlyAlongACirclePath()

pull/614/head
Anton Firszov 8 years ago
parent
a5a84838c3
commit
db00a369d3
1 changed files with 69 additions and 20 deletions
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  1. 89
      tests/ImageSharp.Tests/Drawing/Text/DrawTextOnImageTests.cs

89
tests/ImageSharp.Tests/Drawing/Text/DrawTextOnImageTests.cs
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@ -150,8 +150,6 @@ namespace SixLabors.ImageSharp.Tests.Drawing.Text
where TPixel : struct, IPixel<TPixel>
{
Font font = CreateFont(fontName, fontSize);
string fnDisplayText = text.Replace("\n", "");
fnDisplayText = fnDisplayText.Substring(0, Math.Min(fnDisplayText.Length, 4));
TPixel color = NamedColors<TPixel>.Black;
provider.VerifyOperation(
@ -160,15 +158,14 @@ namespace SixLabors.ImageSharp.Tests.Drawing.Text
{
img.Mutate(c => c.DrawText(text, new Font(font, fontSize), null, Pens.DashDot(color, 3), new PointF(x, y)));
},
$"pen_{fontName}-{fontSize}-{fnDisplayText}-({x},{y})",
$"pen_{fontName}-{fontSize}-{ToTestOutputDisplayText(text)}-({x},{y})",
appendPixelTypeToFileName: false,
appendSourceFileOrDescription: true);
}
[Theory]
[WithSolidFilledImages(200, 100, "White", PixelTypes.Rgba32, 50, "SixLaborsSampleAB.woff", AB)]
[WithSolidFilledImages(900, 100, "White", PixelTypes.Rgba32, 50, "OpenSans-Regular.ttf", TestText)]
[WithSolidFilledImages(900, 100, "White", PixelTypes.Rgba32, 50, "OpenSans-Regular.ttf", TestText)]
public void FontShapesAreRenderedCorrectlyAlongAPath<TPixel>(
TestImageProvider<TPixel> provider,
int fontSize,
@ -176,36 +173,88 @@ namespace SixLabors.ImageSharp.Tests.Drawing.Text
string text)
where TPixel : struct, IPixel<TPixel>
{
Font font = CreateFont(fontName, fontSize);
string fnDisplayText = text.Replace("\n", "");
fnDisplayText = fnDisplayText.Substring(0, Math.Min(fnDisplayText.Length, 4));
TPixel colorOutline = NamedColors<TPixel>.Black;
TPixel colorFill = NamedColors<TPixel>.Gray;
TPixel colorOutline = NamedColors<TPixel>.Black;
IBrush<TPixel> fillBrush = Brushes.Solid(colorFill);
IPen<TPixel> outlinePen = Pens.DashDot(colorOutline, 3);
provider.VerifyOperation(
ImageComparer.Tolerant(imageThreshold: 0.1f, perPixelManhattanThreshold: 20),
img =>
{
IPath path = new Path(new LinearLineSegment(new Point(0, img.Height), new Point(img.Width, 0)));
img.Mutate(
c =>
{
c.DrawText(
new TextGraphicsOptions
{
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Top
},
text,
new Font(font, fontSize),
fillBrush,
outlinePen,
path);
});
},
$"pen_{fontName}-{fontSize}-{ToTestOutputDisplayText(text)}",
appendPixelTypeToFileName: false,
appendSourceFileOrDescription: true);
}
[Theory]
[WithSolidFilledImages(600, 600, "White", PixelTypes.Rgba32, 50, "OpenSans-Regular.ttf", TestText)]
public void FontShapesAreRenderedCorrectlyAlongACirclePath<TPixel>(
TestImageProvider<TPixel> provider,
int fontSize,
string fontName,
string text)
where TPixel : struct, IPixel<TPixel>
{
Font font = CreateFont(fontName, fontSize);
TPixel colorFill = NamedColors<TPixel>.Black;
IBrush<TPixel> fillBrush = Brushes.Solid(colorFill);
provider.VerifyOperation(
ImageComparer.Tolerant(imageThreshold: 0.1f, perPixelManhattanThreshold: 20),
img =>
{
int w = (int)(img.Width * 0.6);
int h = (int)(img.Height * 0.6);
IPath path = new EllipsePolygon(img.Width/2, img.Height/2, w, h);
IPath path = new Path(new LinearLineSegment(new Point(0, img.Height), new Point(img.Width, 0)));
img.Mutate(c => c.DrawText(
new TextGraphicsOptions {
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Top
} ,
text, new Font(font, fontSize),
Brushes.Solid(colorFill)
, Pens.DashDot(colorOutline, 3),
path));
img.Mutate(c =>
{
c.DrawText(
new TextGraphicsOptions
{
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Top
},
text,
new Font(font, fontSize),
fillBrush,
path);
});
},
$"pen_{fontName}-{fontSize}-{fnDisplayText}",
$"pen_{fontName}-{fontSize}-{ToTestOutputDisplayText(text)}",
appendPixelTypeToFileName: false,
appendSourceFileOrDescription: true);
}
private static string Repeat(string str, int times) => string.Concat(Enumerable.Repeat(str, times));
private static string ToTestOutputDisplayText(string text)
{
string fnDisplayText = text.Replace("\n", "");
fnDisplayText = fnDisplayText.Substring(0, Math.Min(fnDisplayText.Length, 4));
return fnDisplayText;
}
private static Font CreateFont(string fontName, int size)
{
var fontCollection = new FontCollection();

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