/// <summary>
/// Loads the image internally in the texture for image manipulation. This is
/// handled automatically, but it's exposed so that it can be manually controlled.
/// </summary>
public void CreateImage()
{
if (image == null)
{
image = texture.CopyToImage();
}
}
/// <summary>
/// Get the Color from a specific pixel on the texture.
/// Warning: This is slow!
/// </summary>
/// <param name="x">The x coordinate of the pixel to get.</param>
/// <param name="y">The y coordinate of the pixel to get.</param>
/// <returns>The Color of the pixel.</returns>
public Color GetPixel(int x, int y)
{
if (x < 0)
{
throw new ArgumentException("X must be greater than 0.");
}
if (y < 0)
{
throw new ArgumentException("Y must be greater than 0.");
}
CreateImage();
return(new Color(texture.CopyToImage().GetPixel((uint)x, (uint)y)));
}
/// <summary>
/// Loads the image internally in the texture for image manipulation. This is
/// handled automatically, but it's exposed so that it can be manually controlled.
/// </summary>
/// <param name="forceNewImage">If set to true a new image will always be created instead of only when there is no image.</param>
public void CreateImage(bool forceNewImage = false)
{
if (image == null || forceNewImage)
{
image = texture.CopyToImage();
}
}
/// <summary>
/// Creates a pixel collider.
/// </summary>
/// <param name="source">The source image to create the collider from.</param>
/// <param name="tags">The tags to register the collider with.</param>
public PixelCollider(string source, params int[] tags) {
texture = Textures.Load(source);
collideImage = texture.CopyToImage();
Width = texture.Size.X;
Height = texture.Size.Y;
AddTag(tags);
}
/// <summary>
/// Creates a pixel collider.
/// </summary>
/// <param name="source">The source image to create the collider from.</param>
/// <param name="tags">The tags to register the collider with.</param>
public PixelCollider(string source, params int[] tags)
{
texture = Textures.Load(source);
collideImage = texture.CopyToImage();
Width = texture.Size.X;
Height = texture.Size.Y;
AddTag(tags);
}
internal Texture(SfmlTexture sfmlTexture)
{
SfmlImage = sfmlTexture.CopyToImage();
SfmlTexture = new SfmlTexture(SfmlImage);
}
public unsafe static void ToSurface(this Texture2D image, TextSurface surface, Color[] cachedColorArray, bool blockMode = false)
{
#if SFML
int imageWidth = (int)image.Size.X;
int imageHeight = (int)image.Size.Y;
Color[] pixels = new Color[imageWidth * imageHeight];
using (var imageData = image.CopyToImage())
{
int pixelChanIndex = 0;
fixed(byte *pixelChan = imageData.Pixels)
{
fixed(Color *color = pixels)
{
for (int i = 0; i < pixels.Length; i++)
{
color[i].R = pixelChan[pixelChanIndex];
color[i].G = pixelChan[pixelChanIndex + 1];
color[i].B = pixelChan[pixelChanIndex + 2];
color[i].A = pixelChan[pixelChanIndex + 3];
pixelChanIndex += 4;
}
}
}
}
#elif MONOGAME
int imageWidth = image.Width;
int imageHeight = image.Height;
image.GetData <Color>(cachedColorArray);
#endif
SurfaceEditor editor = new SurfaceEditor(surface);
editor.Clear();
global::System.Threading.Tasks.Parallel.For(0, imageHeight / surface.Font.Size.Y, (h) =>
//for (int h = 0; h < imageHeight / surface.Font.Size.Y; h++)
{
int startY = (h * surface.Font.Size.Y);
//System.Threading.Tasks.Parallel.For(0, imageWidth / surface.Font.Size.X, (w) =>
for (int w = 0; w < imageWidth / surface.Font.Size.X; w++)
{
int startX = (w * surface.Font.Size.X);
float allR = 0;
float allG = 0;
float allB = 0;
for (int y = 0; y < surface.Font.Size.Y; y++)
{
for (int x = 0; x < surface.Font.Size.X; x++)
{
int cY = y + startY;
int cX = x + startX;
Color color = cachedColorArray[cY * imageWidth + cX];
allR += color.R;
allG += color.G;
allB += color.B;
}
}
byte sr = (byte)(allR / (surface.Font.Size.X * surface.Font.Size.Y));
byte sg = (byte)(allG / (surface.Font.Size.X * surface.Font.Size.Y));
byte sb = (byte)(allB / (surface.Font.Size.X * surface.Font.Size.Y));
var newColor = new Color(sr, sg, sb);
float sbri = newColor.GetBrightness() * 255;
if (blockMode)
{
if (sbri > 204)
{
editor.SetGlyph(w, h, 219, newColor); //█
}
else if (sbri > 152)
{
editor.SetGlyph(w, h, 178, newColor); //▓
}
else if (sbri > 100)
{
editor.SetGlyph(w, h, 177, newColor); //▒
}
else if (sbri > 48)
{
editor.SetGlyph(w, h, 176, newColor); //░
}
}
else
{
if (sbri > 230)
{
editor.SetGlyph(w, h, (int)'#', newColor);
}
else if (sbri > 207)
{
editor.SetGlyph(w, h, (int)'&', newColor);
}
else if (sbri > 184)
{
editor.SetGlyph(w, h, (int)'$', newColor);
}
else if (sbri > 161)
{
editor.SetGlyph(w, h, (int)'X', newColor);
}
else if (sbri > 138)
{
editor.SetGlyph(w, h, (int)'x', newColor);
}
else if (sbri > 115)
{
editor.SetGlyph(w, h, (int)'=', newColor);
}
else if (sbri > 92)
{
editor.SetGlyph(w, h, (int)'+', newColor);
}
else if (sbri > 69)
{
editor.SetGlyph(w, h, (int)';', newColor);
}
else if (sbri > 46)
{
editor.SetGlyph(w, h, (int)':', newColor);
}
else if (sbri > 23)
{
editor.SetGlyph(w, h, (int)'.', newColor);
}
}
}
}
);
}
