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make byte array input bytes behave correctly when seeking rather than forcing the consumer to work around it.

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This commit is contained in:
Eliot Jones
2018-01-03 19:17:12 +00:00
parent bfdca3079f
commit 72ffa1f308
7 changed files with 8 additions and 8 deletions
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4
src/UglyToad.Pdf/Fonts/TrueType/Tables/GlyphDataTable.cs
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@@ -25,7 +25,7 @@
public static GlyphDataTable Load(TrueTypeDataBytes data, TrueTypeHeaderTable table, HeaderTable headerTable,
IndexToLocationTable indexToLocationTable)
{
data.Seek(table.Offset - 1);
data.Seek(table.Offset);
var offsets = indexToLocationTable.GlyphOffsets;
@@ -43,7 +43,7 @@
continue;
}
data.Seek(offsets[i] - 1 + table.Offset);
data.Seek(offsets[i] + table.Offset);
var contourCount = data.ReadSignedShort();

2
src/UglyToad.Pdf/Fonts/TrueType/Tables/HeaderTable.cs
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@@ -87,7 +87,7 @@
public static HeaderTable Load(TrueTypeDataBytes data, TrueTypeHeaderTable table)
{
data.Seek(table.Offset - 1);
data.Seek(table.Offset);
var version = data.Read32Fixed();
var fontRevision = data.Read32Fixed();
var checkSumAdjustment = data.ReadUnsignedInt();

2
src/UglyToad.Pdf/Fonts/TrueType/Tables/HorizontalHeaderTable.cs
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@@ -99,7 +99,7 @@
public static HorizontalHeaderTable Load(TrueTypeDataBytes data, TrueTypeHeaderTable table)
{
data.Seek(table.Offset - 1);
data.Seek(table.Offset);
var majorVersion = data.ReadUnsignedShort();
var minorVersion = data.ReadUnsignedShort();

2
src/UglyToad.Pdf/Fonts/TrueType/Tables/IndexToLocationTable.cs
View File

@@ -29,7 +29,7 @@
const short shortFormat = 0;
const short longFormat = 1;
data.Seek(table.Offset - 1);
data.Seek(table.Offset);
var format = headerTable.IndexToLocFormat;

2
src/UglyToad.Pdf/Fonts/TrueType/Tables/MaximumProfileTable.cs
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@@ -32,7 +32,7 @@
public static BasicMaximumProfileTable Load(TrueTypeDataBytes data, TrueTypeHeaderTable table)
{
data.Seek(table.Offset - 1);
data.Seek(table.Offset);
var version = data.Read32Fixed();
var numberOfGlyphs = data.ReadUnsignedShort();

2
src/UglyToad.Pdf/Fonts/TrueType/Tables/PostScriptTable.cs
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@@ -81,7 +81,7 @@
public static PostScriptTable Load(TrueTypeDataBytes data, TrueTypeHeaderTable table, BasicMaximumProfileTable maximumProfileTable)
{
data.Seek(table.Offset - 1);
data.Seek(table.Offset);
var formatType = data.Read32Fixed();
var italicAngle = data.Read32Fixed();
var underlinePosition = data.ReadSignedShort();

2
src/UglyToad.Pdf/IO/ByteArrayInputBytes.cs
View File

@@ -45,7 +45,7 @@
public void Seek(long position)
{
CurrentOffset = (int)position;
CurrentOffset = (int)position - 1;
CurrentByte = CurrentOffset < 0 ? (byte)0 : bytes[CurrentOffset];
}
}