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use transform x for widths to improve performance

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when transforming the advance width inside a font, we transform only the x coordinate rather than making a new point to transform.
This commit is contained in:
Eliot Jones
2020-02-28 15:15:16 +00:00
parent 5ae38f1bad
commit 4d911fb9d1
3 changed files with 5 additions and 5 deletions
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2
src/UglyToad.PdfPig/PdfFonts/Composite/Type0Font.cs
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@@ -94,7 +94,7 @@
var width = CidFont.GetWidthFromFont(characterIdentifier); var width = CidFont.GetWidthFromFont(characterIdentifier);
var advanceWidth = matrix.Transform(new PdfPoint(width, 0)).X; var advanceWidth = matrix.TransformX(width);
return new CharacterBoundingBox(boundingBox, advanceWidth); return new CharacterBoundingBox(boundingBox, advanceWidth);
} }

4
src/UglyToad.PdfPig/PdfFonts/Simple/TrueTypeSimpleFont.cs
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@@ -159,11 +159,11 @@
if (fromFont) if (fromFont)
{ {
width = fontMatrix.Transform(new PdfPoint(width, 0)).X; width = fontMatrix.TransformX(width);
} }
else else
{ {
width = DefaultTransformation.Transform(new PdfPoint(width, 0)).X; width = DefaultTransformation.TransformX(width);
} }
var result = new CharacterBoundingBox(boundingBox, width); var result = new CharacterBoundingBox(boundingBox, width);

4
src/UglyToad.PdfPig/PdfFonts/Simple/Type3Font.cs
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@@ -67,7 +67,7 @@
characterBoundingBox = fontMatrix.Transform(characterBoundingBox); characterBoundingBox = fontMatrix.Transform(characterBoundingBox);
var width = fontMatrix.Transform(new PdfPoint(widths[characterCode - firstChar], 0)).X; var width = fontMatrix.TransformX(widths[characterCode - firstChar]);
return new CharacterBoundingBox(characterBoundingBox, width); return new CharacterBoundingBox(characterBoundingBox, width);
} }
@@ -79,7 +79,7 @@
throw new InvalidFontFormatException($"The character code was not contained in the widths array: {characterCode}."); throw new InvalidFontFormatException($"The character code was not contained in the widths array: {characterCode}.");
} }
return new PdfRectangle(0, 0, widths[characterCode - firstChar], 0); ; return new PdfRectangle(0, 0, widths[characterCode - firstChar], 0);
} }
public TransformationMatrix GetFontMatrix() public TransformationMatrix GetFontMatrix()