public static void clear()
{
_image = null;
_gather = null;
_processValue = 0;
_pixelQueue.Clear();
_stand = null;
}
// 获取像素集集合
private static TextureGather GetGather(int id)
{
if (_gather == null)
{
_gather = new TextureGather();
_gather.id = id;
}
return(_gather);
}
public static Bitmap ToImage(TextureGather gather)
{
int width = gather.width;
int height = gather.height;
Bitmap bitmap = new Bitmap(width + 1, height + 1);
foreach (var item in gather.pixels)
{
Position position = gather.GetPixelPosition(item.Key);
Color pixel = item.Value;
bitmap.SetPixel(position.x, position.y, pixel);
}
return(bitmap);
}
// 划分像素值，并将八方向的像素放入队列准备划分
private static void SetGather(int x, int y, int id)
{
Color color = _image.GetPixel(x, y);
TextureGather textureGather = GetGather(id);
textureGather.AddPixel(new Position(x, y), color);
PushToQueue(x + 1, y);
PushToQueue(x - 1, y);
PushToQueue(x, y + 1);
PushToQueue(x, y - 1);
PushToQueue(x + 1, y + 1);
PushToQueue(x - 1, y - 1);
PushToQueue(x + 1, y - 1);
PushToQueue(x - 1, y + 1);
}
// 划分图片
public static void SliceTexture()
{
int gatherCount = 0;
bool isLucency = true;
for (int i = 0; i < _image.Width; i++)
{
for (int j = 0; j < _image.Height; j++)
{
_processValue++;
// Console.WriteLine(_processValue);
Color pixel = _image.GetPixel(i, j);
// 根据找到的第一个非透时像素点开始划分像素值
if (isLucency)
{
if (_cutOff < pixel.A && !_stand[i, j])
{
// 开始对该像素进行划分
PushToQueue(i, j);
SliceTextureImpl(gatherCount);
// 将得到的像素值分保存起来
if (gatherCount == 79)
{
Console.WriteLine("pause");
}
Bitmap image = BitmapHelper.ToImage(_gather);
BitmapHelper.SaveImage(string.Format("{0}/Texture_{1}.png", _savePath, _gather.id), image);
_gather = null;
gatherCount++;
isLucency = false;
}
}
else // 划分像素集后，找到第一个透明像素点，并使状态恢复到划分前
{
if (_cutOff > pixel.A)
{
isLucency = true;
}
}
_stand[i, j] = true;
}
}
}
