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(AlpBitmap): take bitmap stride into account.

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This commit is contained in:
morkt
2016-08-03 10:18:49 +04:00
parent 6e0a0a612f
commit 67120cb1cd
1 changed files with 3 additions and 0 deletions
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3
ArcFormats/NekoSDK/ImageALP.cs
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@@ -50,6 +50,7 @@ namespace GameRes.Formats.NekoSDK
} }
file.Position = info.HeaderLength; file.Position = info.HeaderLength;
int dst_stride = (int)info.Width * 4; int dst_stride = (int)info.Width * 4;
int gap = -((int)info.Width * info.BPP / 8) & 3;
var pixels = new byte[(int)info.Height * dst_stride]; var pixels = new byte[(int)info.Height * dst_stride];
int src_pixel_size = info.BPP / 8; int src_pixel_size = info.BPP / 8;
int dst = (int)(info.Height-1) * dst_stride; int dst = (int)(info.Height-1) * dst_stride;
@@ -61,6 +62,8 @@ namespace GameRes.Formats.NekoSDK
file.Read (pixels, dst+x, src_pixel_size); file.Read (pixels, dst+x, src_pixel_size);
pixels[dst+x+3] = alpha[a_src++]; pixels[dst+x+3] = alpha[a_src++];
} }
if (gap != 0)
file.Seek (gap, SeekOrigin.Current);
dst -= dst_stride; dst -= dst_stride;
} }
return ImageData.Create (info, PixelFormats.Bgra32, null, pixels, dst_stride); return ImageData.Create (info, PixelFormats.Bgra32, null, pixels, dst_stride);