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(ReadMetaData): section header is 16 bytes long.

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This commit is contained in:
morkt 2016-02-07 09:37:25 +04:00
parent dca410a260
commit 9b4e4a9089
1 changed files with 35 additions and 31 deletions
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24
ArcFormats/Entis/ImageERI.cs
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@ -73,6 +73,7 @@ namespace GameRes.Formats.Entis
public enum EriCode
{
ArithmeticCode = 32,
RunlengthGamma = -1,
RunlengthHuffman = -4,
Nemesis = -16,
@ -81,9 +82,13 @@ namespace GameRes.Formats.Entis
public enum EriImage
{
RGB = 0x00000001,
RGBA = 0x04000001,
Gray = 0x00000002,
TypeMask = 0x00FFFFFF,
BGR = 0x00000003,
YUV = 0x00000004,
HSB = 0x00000006,
RGBA = 0x04000001,
BGRA = 0x04000003,
TypeMask = 0x0000FFFF,
WithPalette = 0x01000000,
UseClipping = 0x02000000,
WithAlpha = 0x04000000,
@ -155,16 +160,15 @@ namespace GameRes.Formats.Entis
EriFileHeader file_header = null;
EriMetaData info = null;
string desc = null;
while (header_size > 8)
while (header_size > 0x10)
{
section = reader.ReadSection();
header_size -= 8;
header_size -= 0x10;
if (section.Length <= 0 || section.Length > header_size)
break;
if ("FileHdr " == section.Id)
{
file_header = new EriFileHeader();
file_header.Version = reader.ReadInt32();
file_header = new EriFileHeader { Version = reader.ReadInt32() };
if (file_header.Version > 0x00020100)
throw new InvalidFormatException ("Invalid ERI file version");
file_header.ContainedFlag = reader.ReadInt32();
@ -233,7 +237,7 @@ namespace GameRes.Formats.Entis
return ImageData.Create (info, reader.Format, reader.Palette, reader.Data, reader.Stride);
}
private Color[] ReadPalette (Stream input, int palette_length)
internal Color[] ReadPalette (Stream input, int palette_length)
{
var palette_data = new byte[0x400];
if (palette_length > palette_data.Length)
@ -248,12 +252,12 @@ namespace GameRes.Formats.Entis
return colors;
}
private EriReader ReadImageData (Stream stream, EriMetaData meta)
internal EriReader ReadImageData (Stream stream, EriMetaData meta)
{
stream.Position = meta.StreamPos;
Color[] palette = null;
using (var input = new EriFile (stream))
{
Color[] palette = null;
for (;;) // ReadSection throws an exception in case of EOF
{
var section = input.ReadSection();
@ -268,6 +272,7 @@ namespace GameRes.Formats.Entis
}
input.BaseStream.Seek (section.Length, SeekOrigin.Current);
}
}
var reader = new EriReader (stream, meta, palette);
reader.DecodeImage();
@ -298,7 +303,6 @@ namespace GameRes.Formats.Entis
}
return reader;
}
}
void AddImageBuffer (EriMetaData dst_info, byte[] dst_img, EriMetaData src_info, byte[] src_img)
{