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ImageExtentions - Update getting a tile/sub image

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This commit is contained in:
miku-666
2023-03-04 16:46:54 +01:00
parent fed21920e0
commit e64331107d
1 changed files with 14 additions and 19 deletions
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33
PCK-Studio/Classes/Extentions/ImageExtentions.cs
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@@ -23,16 +23,7 @@ namespace PckStudio.Classes.Extentions
int row = i / img_row_count;
int column = i % img_row_count;
Rectangle tileArea = new Rectangle(new Point(column * size.Height, row * size.Width), size);
Bitmap tileImage = new Bitmap(size.Width, size.Height);
using (Graphics gfx = Graphics.FromImage(tileImage))
{
gfx.SmoothingMode = SmoothingMode.None;
gfx.InterpolationMode = InterpolationMode.NearestNeighbor;
gfx.PixelOffsetMode = PixelOffsetMode.HighQuality;
gfx.DrawImage(source, new Rectangle(Point.Empty, size), tileArea, GraphicsUnit.Pixel);
}
yield return tileImage;
yield return GetTileImage(source, tileArea, size);
}
yield break;
}
@@ -51,18 +42,22 @@ namespace PckStudio.Classes.Extentions
? (new Size(source.Width, source.Width), new Point(0, i * source.Width))
: (new Size(source.Height, source.Height), new Point(i * source.Height, 0));
Rectangle tileArea = new Rectangle(locationInfo.point, locationInfo.size);
Bitmap tileImage = new Bitmap(locationInfo.size.Width, locationInfo.size.Height);
using (Graphics gfx = Graphics.FromImage(tileImage))
{
gfx.SmoothingMode = SmoothingMode.None;
gfx.InterpolationMode = InterpolationMode.NearestNeighbor;
gfx.PixelOffsetMode = PixelOffsetMode.HighQuality;
gfx.DrawImage(source, new Rectangle(Point.Empty, locationInfo.size), tileArea, GraphicsUnit.Pixel);
}
yield return tileImage;
yield return GetTileImage(source, tileArea, locationInfo.size);
}
yield break;
}
private static Image GetTileImage(Image source, Rectangle area, Size size, GraphicsUnit unit = GraphicsUnit.Pixel)
{
Image tileImage = new Bitmap(size.Width, size.Height);
using (Graphics gfx = Graphics.FromImage(tileImage))
{
gfx.SmoothingMode = SmoothingMode.None;
gfx.InterpolationMode = InterpolationMode.NearestNeighbor;
gfx.PixelOffsetMode = PixelOffsetMode.HighQuality;
gfx.DrawImage(source, new Rectangle(Point.Empty, size), area, unit);
}
return tileImage;
}
}
}