void GenerateBitmapWorker()
{
lock (syncWorker)
workerAlive = true;
for (;;)
{
float hue;
lock (syncWorker)
{
if (!update)
{
workerAlive = false;
break;
}
update = false;
// Take a local copy of the hue to generate to avoid tearing
hue = H;
}
lock (back)
{
unsafe
{
// Generate palette in HSV
fixed(byte *cc = &back[0])
{
var c = (int *)cc;
for (var v = 0; v < 256; v++)
{
for (var s = 0; s < 256; s++)
{
*(c + (v * 256) + s) = HSLColor.FromHSV(hue, s / 255f, (255 - v) / 255f).RGB.ToArgb();
}
}
}
}
lock (front)
{
var swap = front;
front = back;
back = swap;
}
}
}
}
void GenerateBitmapWorker()
{
lock (syncWorker)
workerAlive = true;
for (;;)
{
float hue;
lock (syncWorker)
{
if (!updateBack)
{
workerAlive = false;
break;
}
updateBack = false;
// Take a local copy of the hue to generate to avoid tearing
hue = H;
}
var bitmapData = backBitmap.LockBits(backBitmap.Bounds(),
ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
unsafe
{
int *c = (int *)bitmapData.Scan0;
// Generate palette in HSV
for (var v = 0; v < 256; v++)
{
for (var s = 0; s < 256; s++)
{
*(c + (v * bitmapData.Stride >> 2) + s) = HSLColor.FromHSV(hue, s / 255f, (255 - v) / 255f).RGB.ToArgb();
}
}
}
backBitmap.UnlockBits(bitmapData);
lock (syncWorker)
{
var swap = swapBitmap;
swapBitmap = backBitmap;
backBitmap = swap;
updateFront = true;
}
}
}
public HSLColor RandomValidColor(MersenneTwister random, IEnumerable <Color> terrainColors, IEnumerable <Color> playerColors)
{
HSLColor color;
Color forbidden;
Action <string> ignoreError = _ => { };
do
{
var h = random.Next(255) / 255f;
var s = float2.Lerp(HsvSaturationRange[0], HsvSaturationRange[1], random.NextFloat());
var v = float2.Lerp(HsvValueRange[0], HsvValueRange[1], random.NextFloat());
color = HSLColor.FromHSV(h, s, v);
} while (!IsValid(color.RGB, out forbidden, terrainColors, playerColors, ignoreError));
return(color);
}
public override void Initialize(WidgetArgs args)
{
base.Initialize(args);
hueBitmap = new Bitmap(256, 256);
hueSprite = new Sprite(new Sheet(new Size(256, 256)), new Rectangle(0, 0, 256, 1), TextureChannel.Alpha);
var bitmapData = hueBitmap.LockBits(hueBitmap.Bounds(),
ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
unsafe
{
int *c = (int *)bitmapData.Scan0;
for (var h = 0; h < 256; h++)
{
*(c + h) = HSLColor.FromHSV(h / 255f, 1, 1).RGB.ToArgb();
}
}
hueBitmap.UnlockBits(bitmapData);
hueSprite.sheet.Texture.SetData(hueBitmap);
}