public void CreatePalette()
{
var characters = new List<char> { 'a', 'b', 'c' };
var palette = new AsciiPalette(characters, true);
CollectionAssert.AreEqual(characters, palette);
Assert.IsTrue(palette.IsBrightnessSorted);
}
public IAsciiImage GetAsciiArt(Image image, Font font, AsciiPalette palette, Size pixelBlockSize)
{
Args.IsNotNull(image, "image");
Args.IsNotNull(font, "font");
Args.IsNotNull(palette, "palette");
var imageAsBitmap = new Bitmap(image);
var asciiImageSize = GetAsciiImageSize(imageAsBitmap.Size, pixelBlockSize);
var asciiImage = new char[asciiImageSize.Height, asciiImageSize.Width];
for (int i = 0; i < asciiImageSize.Width; i++)
{
for (int j = 0; j < asciiImageSize.Height; j++)
{
var currentBlockStartX = j * pixelBlockSize.Width;
var currentBlockStartY = i * pixelBlockSize.Height;
var currentBlockEndX = 0;
var currentBlockEndY = 0;
if (imageAsBitmap.Width - currentBlockStartX >= pixelBlockSize.Width)
{
currentBlockEndX = currentBlockStartX + pixelBlockSize.Width;
}
else
{
currentBlockEndX = imageAsBitmap.Width - currentBlockStartX;
}
if (imageAsBitmap.Height - currentBlockStartY >= pixelBlockSize.Height)
{
currentBlockEndY = currentBlockStartY + pixelBlockSize.Height;
}
else
{
currentBlockEndY = imageAsBitmap.Height - currentBlockStartY;
}
var brightnessSum = 0;
for (int x = currentBlockStartX; x < currentBlockEndX; x++)
{
for (int y = currentBlockStartY; y < currentBlockEndY; y++)
{
brightnessSum += GetBrightness(imageAsBitmap.GetPixel(x, y));
}
}
var averageBrightness = (byte)(brightnessSum / ((currentBlockEndX - currentBlockStartX) * ((currentBlockEndY - currentBlockStartY))));
asciiImage[j, i] = palette.GetSymbolByBrightness(averageBrightness);
}
}
return new AsciiImage(asciiImage, font);
}
public void CreatePalette()
{
var characters = new List <char> {
'a', 'b', 'c'
};
var palette = new AsciiPalette(characters, true);
CollectionAssert.AreEqual(characters, palette);
Assert.IsTrue(palette.IsBrightnessSorted);
}
public void SetUp()
{
symbolizer = new ToneBasedSymbolizer();
palette = new AsciiPalette(new char[] { ' ', '.', '+', 'N', '&' }, true);
}
public IAsciiImage GetAsciiArt(Image image, Font font, AsciiPalette palette)
{
return GetAsciiArt(image, font, palette, DefaultBlockSize);
}
public void SetUp()
{
symbolizer = new ToneBasedSymbolizer();
palette = new AsciiPalette(new char[] { ' ', '.', '+', 'N', '&' }, true);
}
