public ICellSurface ToSurface(TextureConvertMode mode, int surfaceWidth, int surfaceHeight, TextureConvertBackgroundStyle backgroundStyle = TextureConvertBackgroundStyle.Pixel, TextureConvertForegroundStyle foregroundStyle = TextureConvertForegroundStyle.Block, Color[] cachedColorArray = null, ICellSurface cachedSurface = null) => throw new NotImplementedException();
/// <inheritdoc />
public ICellSurface ToSurface(TextureConvertMode mode, int surfaceWidth, int surfaceHeight, TextureConvertBackgroundStyle backgroundStyle = TextureConvertBackgroundStyle.Pixel, TextureConvertForegroundStyle foregroundStyle = TextureConvertForegroundStyle.Block, Color[] cachedColorArray = null, ICellSurface cachedSurface = null)
{
if (surfaceWidth <= 0 || surfaceHeight <= 0 || surfaceWidth > _texture.Size.X || surfaceHeight > _texture.Size.Y)
{
throw new ArgumentOutOfRangeException("The size of the surface must be equal to or smaller than the texture.");
}
ICellSurface surface = cachedSurface ?? new CellSurface(surfaceWidth, surfaceHeight);
// Background mode with simple resizing.
if (mode == TextureConvertMode.Background && backgroundStyle == TextureConvertBackgroundStyle.Pixel)
{
using var resizer = GetResizedTexture(surface.Width, surface.Height);
var colors = new Color[(int)resizer.Size.X * (int)resizer.Size.Y];
using Image image = resizer.Texture.CopyToImage();
byte[] imagePixels = image.Pixels;
int colorIndex = 0;
for (int i = 0; i < imagePixels.Length; i += 4)
{
surface[colorIndex++].Background = new Color(imagePixels[i], imagePixels[i + 1], imagePixels[i + 2], imagePixels[i + 3]);
}
return(surface);
}
// Calculating color based on surrounding pixels
Color[] pixels = GetPixels();
int fontSizeX = (int)_texture.Size.X / surfaceWidth;
int fontSizeY = (int)_texture.Size.Y / surfaceHeight;
global::System.Threading.Tasks.Parallel.For(0, (int)_texture.Size.Y / fontSizeY, (h) =>
//for (int h = 0; h < imageHeight / fontSizeY; h++)
{
int startY = h * fontSizeY;
//System.Threading.Tasks.Parallel.For(0, imageWidth / fontSizeX, (w) =>
for (int w = 0; w < _texture.Size.X / fontSizeX; w++)
{
int startX = w * fontSizeX;
float allR = 0;
float allG = 0;
float allB = 0;
for (int y = 0; y < fontSizeY; y++)
{
for (int x = 0; x < fontSizeX; x++)
{
int cY = y + startY;
int cX = x + startX;
Color color = pixels[cY * _texture.Size.X + cX];
allR += color.R;
allG += color.G;
allB += color.B;
}
}
byte sr = (byte)(allR / (fontSizeX * fontSizeY));
byte sg = (byte)(allG / (fontSizeX * fontSizeY));
byte sb = (byte)(allB / (fontSizeX * fontSizeY));
var newColor = new SadRogue.Primitives.Color(sr, sg, sb);
if (mode == TextureConvertMode.Background)
{
surface.SetBackground(w, h, newColor);
}
else if (foregroundStyle == TextureConvertForegroundStyle.Block)
{
float sbri = newColor.GetBrightness() * 255;
if (sbri > 204)
{
surface.SetGlyph(w, h, 219, newColor); //█
}
else if (sbri > 152)
{
surface.SetGlyph(w, h, 178, newColor); //▓
}
else if (sbri > 100)
{
surface.SetGlyph(w, h, 177, newColor); //▒
}
else if (sbri > 48)
{
surface.SetGlyph(w, h, 176, newColor); //░
}
}
else //else if (foregroundStyle == TextureConvertForegroundStyle.AsciiSymbol)
{
float sbri = newColor.GetBrightness() * 255;
if (sbri > 230)
{
surface.SetGlyph(w, h, '#', newColor);
}
else if (sbri > 207)
{
surface.SetGlyph(w, h, '&', newColor);
}
else if (sbri > 184)
{
surface.SetGlyph(w, h, '$', newColor);
}
else if (sbri > 161)
{
surface.SetGlyph(w, h, 'X', newColor);
}
else if (sbri > 138)
{
surface.SetGlyph(w, h, 'x', newColor);
}
else if (sbri > 115)
{
surface.SetGlyph(w, h, '=', newColor);
}
else if (sbri > 92)
{
surface.SetGlyph(w, h, '+', newColor);
}
else if (sbri > 69)
{
surface.SetGlyph(w, h, ';', newColor);
}
else if (sbri > 46)
{
surface.SetGlyph(w, h, ':', newColor);
}
else if (sbri > 23)
{
surface.SetGlyph(w, h, '.', newColor);
}
}
}
}
);
return(surface);
}
