ShuriZma
/
BizHawk
mirror of https://github.com/TASEmulators/BizHawk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Add some helpers to `BitmapBuffer`

This commit is contained in:
YoshiRulz 2024-07-16 06:19:43 +10:00
parent d7e9668d50
commit 9a5a75e5bb
No known key found for this signature in database
GPG Key ID: C4DE31C245353FB7
1 changed files with 22 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
src/BizHawk.Bizware.Graphics/BitmapBuffer.cs
View File

@ -34,6 +34,10 @@ namespace BizHawk.Bizware.Graphics
private GCHandle CurrLockHandle;
private BitmapData CurrLock;
/// <summary>same as <see cref="Pixels"/> (<see cref="PixelFormat.Format32bppArgb">A8R8G8B8</see>)</summary>
public Span<int> AsSpan()
=> Pixels;
/// <exception cref="InvalidOperationException">already locked</exception>
/// <remarks>TODO add read/write semantic, for wraps</remarks>
public BitmapData LockBits()
@ -213,19 +217,24 @@ namespace BizHawk.Bizware.Graphics
return new(0, 0);
}
var w = maxx - minx + 1;
var h = maxy - miny + 1;
var bbRet = new BitmapBuffer(w, h);
for (var y = 0; y < h; y++)
{
for (var x = 0; x < w; x++)
{
bbRet.SetPixel(x, y, GetPixel(x + minx, y + miny));
}
}
xofs = minx;
yofs = miny;
return Copy(region: new(x: minx, y: miny, width: maxx - minx + 1, height: maxy - miny + 1));
}
public BitmapBuffer Copy()
=> new(width: Width, height: Height, pixels: Pixels.AsSpan().ToArray());
/// <remarks>TODO surely there's a better implementation --yoshi</remarks>
public BitmapBuffer Copy(Rectangle region)
{
BitmapBuffer bbRet = new(region.Size);
var miny = region.Top;
var minx = region.Left;
for (int y = 0, h = region.Height; y < h; y++) for (int x = 0, w = region.Width; x < w; x++)
{
bbRet.SetPixel(x, y, GetPixel(x + minx, y + miny));
}
return bbRet;
}
@ -535,6 +544,8 @@ namespace BizHawk.Bizware.Graphics
return candidate;
}
public bool SequenceEqual(BitmapBuffer other)
=> Width == other.Width && Height == other.Height && AsSpan().SequenceEqual(other.AsSpan());
/// <summary>
/// Dumps this BitmapBuffer to a new System.Drawing.Bitmap