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Fix inconsistencies between the "file specification" (as documented on zee internetz) and what devteam.pcx from Descent actually contained (the only pcx I have)

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This commit is contained in:
Magnus Norddahl 2020-02-16 17:10:57 +01:00
parent c1130b4c62
commit 4d3fea0088
1 changed files with 7 additions and 4 deletions
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11
Source/Core/IO/FileImageReader.cs
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@ -57,10 +57,13 @@ namespace CodeImp.DoomBuilder.IO
int numColorPlanes = reader.ReadByte();
int planePitch = reader.ReadUInt16(); // always even
int paletteInfo = reader.ReadUInt16(); // 1=color/bw palette, 2=grayscale image
int width = reader.ReadUInt16();
int height = reader.ReadUInt16();
int screenwidth = reader.ReadUInt16();
int screenheight = reader.ReadUInt16();
reader.ReadBytes(54); // reserved
int width = rightMargin - leftMargin + 1;
int height = bottomMargin - topMargin + 1;
int vgaPaletteID = 0;
byte[] vgaPalette = null;
@ -90,7 +93,7 @@ namespace CodeImp.DoomBuilder.IO
byte[] imageData = new byte[width * height * 4];
int destpitch = width * 4;
if (bitsPerComponent == 4 && numColorPlanes == 1 && paletteInfo == 1) // 16 colors from a palette
if (bitsPerComponent == 4 && numColorPlanes == 1 && paletteInfo < 2) // 16 colors from a palette
{
for (int y = 0; y < height; y++)
{
@ -128,7 +131,7 @@ namespace CodeImp.DoomBuilder.IO
}
}
}
else if (bitsPerComponent == 8 && numColorPlanes == 1 && paletteInfo == 1) // 256 colors from a palette
else if (bitsPerComponent == 8 && numColorPlanes == 1 && paletteInfo < 2) // 256 colors from a palette
{
if (version == 5)
{