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(TgaStream): added Create method for images with non-default stride.

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morkt 2015-12-06 22:24:14 +04:00
parent aeea84a693
commit fd18f21b40
1 changed files with 19 additions and 0 deletions
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19
ArcFormats/ArcCommon.cs
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@ -426,6 +426,25 @@ namespace GameRes.Formats
header[0x11] = 0x20;
return new PrefixStream (header, new MemoryStream (pixels));
}
public static Stream Create (ImageMetaData info, int stride, byte[] pixels, bool flipped = false)
{
int tga_stride = (int)info.Width * info.BPP / 8;
if (stride != tga_stride)
{
var adjusted = new byte[tga_stride * (int)info.Height];
int src = 0;
int dst = 0;
for (uint y = 0; y < info.Height; ++y)
{
Buffer.BlockCopy (pixels, src, adjusted, dst, tga_stride);
src += stride;
dst += tga_stride;
}
pixels = adjusted;
}
return Create (info, pixels, flipped);
}
}
public static class MMX