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(IarOpener.CombineImage): adjusted blending logic.

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morkt 2015-11-02 05:41:55 +04:00
parent 456971553a
commit 87b5b3ebc8
1 changed files with 5 additions and 9 deletions
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14
ArcFormats/Sas5/ArcIAR.cs
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@ -180,18 +180,14 @@ namespace GameRes.Formats.Sas5
byte[] output = base_image.Data; byte[] output = base_image.Data;
if (overlay_info.Height != base_image.Info.Height || overlay_info.Stride != base_image.Info.Stride) if (overlay_info.Height != base_image.Info.Height || overlay_info.Stride != base_image.Info.Stride)
{ {
int src_y = 0; int src_height = (int)Math.Min (overlay_info.Height, base_image.Info.Height);
int dst_pos = 0; int src_stride = Math.Min (overlay_info.Stride, base_image.Info.Stride);
if (base_image.Info.Height > overlay_info.Height)
src_y = (int)(base_image.Info.Height - overlay_info.Height);
else if (base_image.Info.Height < overlay_info.Height)
dst_pos = (int)(overlay_info.Height - base_image.Info.Height) * overlay_info.Stride;
byte[] src = base_image.Data; byte[] src = base_image.Data;
int base_stride = Math.Min (overlay_info.Stride, base_image.Info.Stride);
output = new byte[overlay_info.Height * overlay_info.Stride]; output = new byte[overlay_info.Height * overlay_info.Stride];
for (int y = src_y; y < base_image.Info.Height; ++y) int dst_pos = 0;
for (int y = 0; y < src_height; ++y)
{ {
Buffer.BlockCopy (src, y * base_image.Info.Stride, output, dst_pos, base_stride); Buffer.BlockCopy (src, y * base_image.Info.Stride, output, dst_pos, src_stride);
dst_pos += overlay_info.Stride; dst_pos += overlay_info.Stride;
} }
} }