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fix width and height order in jpeg parsing

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height is before width, incorrect order caused adobe reader to draw image strangely.
This commit is contained in:
Eliot Jones
2020-03-15 18:02:46 +00:00
parent 7212b9e38c
commit 98bcc16e11
5 changed files with 18 additions and 4 deletions
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2
src/UglyToad.PdfPig/Images/JpegHandler.cs
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@@ -33,8 +33,8 @@
// ReSharper disable once UnusedVariable
var length = ReadShort(stream, shortBuffer);
var bpp = stream.ReadByte();
var width = ReadShort(stream, shortBuffer);
var height = ReadShort(stream, shortBuffer);
var width = ReadShort(stream, shortBuffer);
return new JpegInformation(width, height, bpp);
}

2
src/UglyToad.PdfPig/Parser/PageFactory.cs
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@@ -142,6 +142,8 @@
var operations = pageContentParser.Parse(pageNumber, new ByteArrayInputBytes(contentBytes),
log);
var text = OtherEncodings.BytesAsLatin1String(contentBytes);
var context = new ContentStreamProcessor(cropBox.Bounds, resourceStore, userSpaceUnit, rotation, pdfScanner,
pageContentParser,
filterProvider,

11
src/UglyToad.PdfPig/Writer/PdfDocumentBuilder.cs
View File

@@ -247,9 +247,18 @@
context.WriteObject(memory, streamToken, image.Value.ObjectNumber);
}
var procSet = new List<NameToken>
{
NameToken.Create("PDF"),
NameToken.Text,
NameToken.ImageB,
NameToken.ImageC,
NameToken.ImageI
};
var resources = new Dictionary<NameToken, IToken>
{
{ NameToken.ProcSet, new ArrayToken(new []{ NameToken.Create("PDF"), NameToken.Create("Text") }) }
{ NameToken.ProcSet, new ArrayToken(procSet) }
};
if (fontsWritten.Count > 0)