public void generate_random_color_grid()
{
this.rd.NextBytes(this.random_data);
this.generate_hue_array(this.random_data);
this.sort_x = 0;
this.sort_y = 0;
this.align = color_align.none;
}
private void fill_sorted_data_pixels(color_align align, Byte[] color_byte)
{
if (color_byte.Length != 4 || this.sort_x < 0 || this.sort_x >= this.width || this.sort_y < 0 || this.sort_y >= this.height)
{
return;
}
Int32 pixel_index = this.sort_y * this.width + this.sort_x;
this.sorted_data[pixel_index * 4] = color_byte[0];
this.sorted_data[pixel_index * 4 + 1] = color_byte[1];
this.sorted_data[pixel_index * 4 + 2] = color_byte[2];
this.sorted_data[pixel_index * 4 + 3] = color_byte[3];
switch (align)
{
case color_align.left:
this.sort_y++;
if (this.sort_y == this.height)
{
this.sort_x++;
this.sort_y = 0;
}
break;
case color_align.top:
this.sort_x++;
if (this.sort_x == this.width)
{
this.sort_y++;
this.sort_x = 0;
}
break;
case color_align.right:
this.sort_y++;
if (this.sort_y == this.height)
{
this.sort_x--;
this.sort_y = 0;
}
break;
case color_align.buttom:
this.sort_x++;
if (this.sort_x == this.width)
{
this.sort_y--;
this.sort_x = 0;
}
break;
default:
break;
}
}
public void color_sort_by_hue(color_align align)
{
if (align == this.align)
{
return;
}
switch (align)
{
case color_align.top:
case color_align.left:
this.sort_x = 0;
this.sort_y = 0;
break;
case color_align.right:
this.sort_x = this.width - 1;
this.sort_y = 0;
break;
case color_align.buttom:
this.sort_x = 0;
this.sort_y = this.height - 1;
break;
default:
return;
}
Int32 min_index = 0, max_length = this.hue_array.Length;
Byte[] tmp_byte = new Byte[4];
float tmp_float = 0;
for (Int32 i = 0; i < max_length; ++i)
{
for (Int32 j = i + 1; j < max_length; ++j)
{
if (this.hue_array[j] < this.hue_array[min_index])
{
min_index = j;
}
}
tmp_byte[0] = this.random_data[min_index * 4];
tmp_byte[1] = this.random_data[min_index * 4 + 1];
tmp_byte[2] = this.random_data[min_index * 4 + 2];
tmp_byte[3] = this.random_data[min_index * 4 + 3];
this.random_data[min_index * 4] = this.random_data[i * 4];
this.random_data[min_index * 4 + 1] = this.random_data[i * 4 + 1];
this.random_data[min_index * 4 + 2] = this.random_data[i * 4 + 2];
this.random_data[min_index * 4 + 3] = this.random_data[i * 4 + 3];
this.random_data[i * 4] = tmp_byte[0];
this.random_data[i * 4 + 1] = tmp_byte[1];
this.random_data[i * 4 + 2] = tmp_byte[2];
this.random_data[i * 4 + 3] = tmp_byte[3];
tmp_float = this.hue_array[min_index];
this.hue_array[min_index] = this.hue_array[i];
this.hue_array[i] = tmp_float;
this.fill_sorted_data_pixels(align, tmp_byte);
}
this.align = align;
}
public void color_sort_by_hue(color_align align, Int32 task_count)
{
Int32 hue_size = this.hue_array.Length, task_index = 0, color_index = 0;
float devided_unit = (float)360 / task_count;
LinkedListNode <Int32> node = null;
Byte[] color_byte = new Byte[4];
if (align == this.align)
{
return;
}
switch (align)
{
case color_align.top:
case color_align.left:
this.sort_x = 0;
this.sort_y = 0;
break;
case color_align.right:
this.sort_x = this.width - 1;
this.sort_y = 0;
break;
case color_align.buttom:
this.sort_x = 0;
this.sort_y = this.height - 1;
break;
default:
return;
}
this.task_params = new SortTaskParam[task_count];
this.task_count = task_count;
for (Int32 i = 0; i < task_count; ++i)
{
this.task_params[i].blocking_collection = new BlockingCollection <int>(100);
this.task_params[i].task = Task.Factory.StartNew(obj => this.section_sorting(obj), new { i, task_count });
}
for (Int32 i = 0; i < task_count; ++i)
{
this.task_params[i].task.Wait();
this.task_params[i].task.Dispose();
}
for (Int32 i = 0; i < task_count; ++i)
{
node = this.task_params[i].result.First;
while (null != node)
{
color_index = node.Value;
color_byte[0] = this.random_data[color_index * 4];
color_byte[1] = this.random_data[color_index * 4 + 1];
color_byte[2] = this.random_data[color_index * 4 + 2];
color_byte[3] = this.random_data[color_index * 4 + 3];
this.fill_sorted_data_pixels(align, color_byte);
node = node.Next;
}
}
this.align = align;
}
