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prevent negative point size for fonts

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Eliot Jones
2020-01-10 14:40:28 +00:00
parent 6c1e3c76a8
commit 41cc7abd1b
1 changed files with 5 additions and 0 deletions
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5
src/UglyToad.PdfPig/Graphics/ContentStreamProcessor.cs
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@@ -161,6 +161,11 @@
// see: https://stackoverflow.com/questions/48010235/pdf-specification-get-font-size-in-points // see: https://stackoverflow.com/questions/48010235/pdf-specification-get-font-size-in-points
var pointSize = Math.Round(rotation.Rotate(transformationMatrix).Multiply(TextMatrices.TextMatrix).Multiply(fontSize).A, 2); var pointSize = Math.Round(rotation.Rotate(transformationMatrix).Multiply(TextMatrices.TextMatrix).Multiply(fontSize).A, 2);
if (pointSize < 0)
{
pointSize *= -1;
}
while (bytes.MoveNext()) while (bytes.MoveNext())
{ {
var code = font.ReadCharacterCode(bytes, out int codeLength); var code = font.ReadCharacterCode(bytes, out int codeLength);