fix code formatting
parent
f10e8ec255
commit
6d0efda7e7
12
src/Color.cs
12
src/Color.cs
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@ -2,14 +2,14 @@ namespace Palettizer2
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{
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public struct Color
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{
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public byte R { get; set; }
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public byte G { get; set; }
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public byte B { get; set; }
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public byte A { get; set; }
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public byte R;
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public byte G;
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public byte B;
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public byte A;
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public override string ToString()
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{
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return $"{{R: {R.ToString()}, G: {G.ToString()}, B: {B.ToString()}, A: {A.ToString()}}}";
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}
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return $"{{R: {R.ToString()}, G: {G.ToString()}, B: {B.ToString()}, A: {A.ToString()}}}";
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}
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}
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}
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@ -5,64 +5,65 @@ namespace Palettizer2
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public class Palette
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{
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public Dictionary<byte, Color> GrayscaleToColorMap { get; }
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public Dictionary<Color, byte> ColorToGrayscaleMap { get; }
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public int GrayscaleCount { get; set; }
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public List<byte[]> AlternateColorRows { get; }
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public Dictionary<Color, byte> ColorToGrayscaleMap { get; }
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public int GrayscaleCount { get; set; }
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public List<byte[]> AlternateColorRows { get; }
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public int Width { get => 256; }
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public int Height { get => AlternateColorRows.Count + 1; }
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public const int Width = 256;
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public int Height => AlternateColorRows.Count + 1;
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public Palette()
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{
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GrayscaleToColorMap = new Dictionary<byte, Color>();
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ColorToGrayscaleMap = new Dictionary<Color, byte>();
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GrayscaleCount = 0;
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AlternateColorRows = new List<byte[]>();
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GrayscaleCount = 0;
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AlternateColorRows = new List<byte[]>();
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}
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public void AddColor(Color color)
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{
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var average = (color.R + color.G + color.B) / 3;
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var average = (color.R + color.G + color.B) / 3;
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if (GrayscaleToColorMap.ContainsKey((byte)average))
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{
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var increment = 1;
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for (var i = 0; i < 256; i += 1)
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var increment = 1;
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for (var i = 0; i < 256; i += 1)
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{
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average = (average + increment) % 256;
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average = (average + increment) % 256;
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if (!GrayscaleToColorMap.ContainsKey((byte)average))
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{
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break;
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}
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break;
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}
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increment = ((increment > 0) ? (increment + 1) : (increment - 1)) * -1; // up by 1, down by 2, up by 3, etc
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}
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}
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increment = ((increment > 0) ? (increment + 1) : (increment - 1)) *
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-1; // up by 1, down by 2, up by 3, etc
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}
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}
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GrayscaleToColorMap.Add((byte)average, color);
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ColorToGrayscaleMap.Add(color, (byte)average);
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GrayscaleCount += 1;
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}
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GrayscaleToColorMap.Add((byte)average, color);
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ColorToGrayscaleMap.Add(color, (byte)average);
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GrayscaleCount += 1;
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}
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public void AddAlternateColorRow(Color[] colors)
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{
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var byteArray = new byte[256 * 4];
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for (var i = 0; i < 256; i += 1)
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for (var i = 0; i < 256; i += 1)
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{
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byteArray[i * 4] = colors[i].R;
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byteArray[i * 4 + 1] = colors[i].G;
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byteArray[i * 4 + 2] = colors[i].B;
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byteArray[i * 4 + 3] = colors[i].A;
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}
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byteArray[i * 4] = colors[i].R;
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byteArray[i * 4 + 1] = colors[i].G;
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byteArray[i * 4 + 2] = colors[i].B;
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byteArray[i * 4 + 3] = colors[i].A;
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}
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AlternateColorRows.Add(byteArray);
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AlternateColorRows.Add(byteArray);
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}
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public void ClearAlternateColorRows()
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{
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AlternateColorRows.Clear();
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}
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AlternateColorRows.Clear();
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}
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public byte[] CreateIndexedPaletteBitmap()
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{
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@ -71,9 +72,9 @@ namespace Palettizer2
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for (var i = 0; i < 256; i += 1)
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{
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var color = new Color();
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color.A = 255;
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color.A = 255;
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if (GrayscaleToColorMap.ContainsKey((byte)i))
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if (GrayscaleToColorMap.ContainsKey((byte)i))
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{
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color = GrayscaleToColorMap[(byte)i];
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}
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@ -84,28 +85,28 @@ namespace Palettizer2
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paletteBitmap[i * 4 + 3] = color.A;
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}
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for (var i = 0; i < 256; i += 1)
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for (var i = 0; i < 256; i += 1)
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{
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for (var j = 0; j < AlternateColorRows.Count; j += 1)
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for (var j = 0; j < AlternateColorRows.Count; j += 1)
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{
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var alpha = AlternateColorRows[j][i * 4 + 3];
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var alpha = AlternateColorRows[j][i * 4 + 3];
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if (alpha == 0)
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{
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// grab from top row
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paletteBitmap[(i + (256 * (j + 1))) * 4] = paletteBitmap[i * 4];
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paletteBitmap[(i + (256 * (j + 1))) * 4 + 1] = paletteBitmap[i * 4 + 1];
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paletteBitmap[(i + (256 * (j + 1))) * 4 + 2] = paletteBitmap[i * 4 + 2];
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paletteBitmap[(i + (256 * (j + 1))) * 4 + 3] = paletteBitmap[i * 4 + 3];
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paletteBitmap[(i + (256 * (j + 1))) * 4] = paletteBitmap[i * 4];
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paletteBitmap[(i + (256 * (j + 1))) * 4 + 1] = paletteBitmap[i * 4 + 1];
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paletteBitmap[(i + (256 * (j + 1))) * 4 + 2] = paletteBitmap[i * 4 + 2];
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paletteBitmap[(i + (256 * (j + 1))) * 4 + 3] = paletteBitmap[i * 4 + 3];
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}
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else
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{
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paletteBitmap[(i + (256 * (j + 1))) * 4] = AlternateColorRows[j][i * 4];
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paletteBitmap[(i + (256 * (j + 1))) * 4 + 1] = AlternateColorRows[j][i * 4 + 1];
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paletteBitmap[(i + (256 * (j + 1))) * 4 + 2] = AlternateColorRows[j][i * 4 + 2];
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paletteBitmap[(i + (256 * (j + 1))) * 4 + 3] = alpha;
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}
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}
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}
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else
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{
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paletteBitmap[(i + (256 * (j + 1))) * 4] = AlternateColorRows[j][i * 4];
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paletteBitmap[(i + (256 * (j + 1))) * 4 + 1] = AlternateColorRows[j][i * 4 + 1];
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paletteBitmap[(i + (256 * (j + 1))) * 4 + 2] = AlternateColorRows[j][i * 4 + 2];
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paletteBitmap[(i + (256 * (j + 1))) * 4 + 3] = alpha;
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}
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}
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}
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return paletteBitmap;
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}
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129
src/Program.cs
129
src/Program.cs
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@ -5,83 +5,84 @@ using StbImageSharp;
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namespace Palettizer2
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{
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class Program
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{
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static int Main(string[] args)
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{
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var palettize = new Command("palettize")
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{
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new Argument<DirectoryInfo>(
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"directory",
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"Path to a directory containing PNG files."
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),
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class Program
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{
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static int Main(string[] args)
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{
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var palettize = new Command("palettize")
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{
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new Argument<DirectoryInfo>(
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"directory",
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"Path to a directory containing PNG files."
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),
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new Argument<string>(
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"paletteName",
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"The name of the palette sprite to output."
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)
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};
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};
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var root = new RootCommand{
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palettize
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};
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var root = new RootCommand
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{
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palettize
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};
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palettize.Handler = CommandHandler.Create<DirectoryInfo, string>(HandlePalettize);
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return root.Invoke(args);
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}
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palettize.Handler = CommandHandler.Create<DirectoryInfo, string>(HandlePalettize);
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return root.Invoke(args);
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}
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static void HandlePalettize(DirectoryInfo directory, string paletteName)
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{
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var outputDir = Directory.CreateDirectory("output");
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var palette = new Palette();
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var writer = new StbImageWriteSharp.ImageWriter();
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static void HandlePalettize(DirectoryInfo directory, string paletteName)
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{
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var outputDir = Directory.CreateDirectory("output");
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var palette = new Palette();
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var writer = new StbImageWriteSharp.ImageWriter();
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// add all sprite colors to palette
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foreach (var imageFile in directory.EnumerateFiles("*.png", SearchOption.AllDirectories))
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{
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System.Console.WriteLine(imageFile.FullName);
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// add all sprite colors to palette
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foreach (var imageFile in directory.EnumerateFiles("*.png", SearchOption.AllDirectories))
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{
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System.Console.WriteLine(imageFile.FullName);
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var spriteDir = Path.GetDirectoryName(imageFile.FullName);
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var spriteDir = Path.GetDirectoryName(imageFile.FullName);
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ImageResult image;
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byte[] grayscaleImageBytes;
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using (var stream = File.OpenRead(imageFile.FullName))
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{
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image = ImageResult.FromStream(stream, ColorComponents.RedGreenBlueAlpha);
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grayscaleImageBytes = AddSpriteToPalette(palette, image);
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}
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ImageResult image;
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byte[] grayscaleImageBytes;
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using (var stream = File.OpenRead(imageFile.FullName))
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{
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image = ImageResult.FromStream(stream, ColorComponents.RedGreenBlueAlpha);
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grayscaleImageBytes = AddSpriteToPalette(palette, image);
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}
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var spriteWriteDir = Path.Combine(
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outputDir.FullName,
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Path.GetRelativePath(directory.FullName, spriteDir));
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var spriteWriteDir = Path.Combine(
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outputDir.FullName,
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Path.GetRelativePath(directory.FullName, spriteDir));
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Directory.CreateDirectory(spriteWriteDir);
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var spriteWritePath = Path.Combine(spriteWriteDir, imageFile.Name);
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Directory.CreateDirectory(spriteWriteDir);
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var spriteWritePath = Path.Combine(spriteWriteDir, imageFile.Name);
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using (var stream = File.OpenWrite(spriteWritePath))
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{
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writer.WritePng(
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grayscaleImageBytes,
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image.Width,
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image.Height,
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StbImageWriteSharp.ColorComponents.RedGreenBlueAlpha,
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stream);
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}
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}
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using (var stream = File.OpenWrite(spriteWritePath))
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{
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writer.WritePng(
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grayscaleImageBytes,
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image.Width,
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image.Height,
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StbImageWriteSharp.ColorComponents.RedGreenBlueAlpha,
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stream);
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}
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}
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// write palette sprite to PNG
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var paletteOutputPath = Path.Combine(outputDir.FullName, paletteName + ".png");
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using (var stream = File.OpenWrite(paletteOutputPath))
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{
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writer.WritePng(
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palette.CreateIndexedPaletteBitmap(),
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palette.Width,
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palette.Height,
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StbImageWriteSharp.ColorComponents.RedGreenBlueAlpha,
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stream);
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}
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}
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// write palette sprite to PNG
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var paletteOutputPath = Path.Combine(outputDir.FullName, paletteName + ".png");
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using (var stream = File.OpenWrite(paletteOutputPath))
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{
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writer.WritePng(
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palette.CreateIndexedPaletteBitmap(),
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Palette.Width,
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palette.Height,
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StbImageWriteSharp.ColorComponents.RedGreenBlueAlpha,
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stream);
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}
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}
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static byte[] AddSpriteToPalette(Palette palette, ImageResult image)
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static byte[] AddSpriteToPalette(Palette palette, ImageResult image)
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{
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var grayscaleImage = new byte[image.Width * image.Height * 4];
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@ -118,7 +119,7 @@ namespace Palettizer2
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}
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else
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{
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palette.AddColor(color);
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palette.AddColor(color);
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var grayscaleColor = palette.ColorToGrayscaleMap[color];
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@ -132,5 +133,5 @@ namespace Palettizer2
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return grayscaleImage;
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}
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}
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}
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}
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