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(TgaStream): new static class.

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create TGA image stream from the given image meta-data and pixels array.
This commit is contained in:
morkt 2015-11-30 03:41:20 +04:00
parent ca919c1ee9
commit abe08cd457
1 changed files with 21 additions and 2 deletions
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23
ArcFormats/ArcCommon.cs
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@ -23,12 +23,11 @@
// IN THE SOFTWARE.
//
using GameRes.Utility;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
namespace GameRes.Formats
{
@ -409,6 +408,26 @@ namespace GameRes.Formats
}
}
/// <summary>
/// Create stream in TGA format from the given image pixels.
/// </summary>
public static class TgaStream
{
public static Stream Create (ImageMetaData info, byte[] pixels, bool flipped = false)
{
var header = new byte[0x12];
header[2] = 2;
LittleEndian.Pack ((short)info.OffsetX, header, 8);
LittleEndian.Pack ((short)info.OffsetY, header, 0xa);
LittleEndian.Pack ((ushort)info.Width, header, 0xc);
LittleEndian.Pack ((ushort)info.Height, header, 0xe);
header[0x10] = (byte)info.BPP;
if (!flipped)
header[0x11] = 0x20;
return new PrefixStream (header, new MemoryStream (pixels));
}
}
public static class MMX
{
public static ulong PAddB (ulong x, ulong y)