|
public DrawBuffer ( |
||
| buffer | The buffer to draw. | |
| x | int | The X position to begin drawing at. |
| y | int | The Y position to begin drawing at. |
| drawMode | BufferDrawMode | Specified how the buffer should be drawn. |
| return | void | |
public void DrawBuffer(ConsoleBuffer buffer, int x, int y, BufferDrawMode drawMode)
{
var b = _buffer;
var b2 = buffer.Buffer;
int offx = 0;
int offy = 0;
int w = buffer._width;
int h = buffer._height;
if (x + w < 0 || y + h == 0 || y >= _height || x >= _width)
{
return;
}
if (w + x > _width)
{
w -= w + x - _width;
}
if (x < 0)
{
offx = -x;
}
if (h + y > _height)
{
h -= h + y - _height;
}
if (y < 0)
{
offy = -y;
}
switch (drawMode)
{
case BufferDrawMode.Additive:
{
for (int i = w - 1; i >= offx; i--)
for (int j = h - 1; j >= offy; j--)
{
b[j + y + offy, i + x + offx]._attrs |= b2[j, i]._attrs;
b[j + y + offy, i + x + offx].CharData = b2[j, i].CharData;
}
}
break;
case BufferDrawMode.DrawOver:
{
for (int i = w - 1; i >= offx; i--)
for (int j = h - 1; j >= offy; j--)
{
b[j + y + offy, i + x + offx]._attrs = b2[j, i]._attrs;
b[j + y + offy, i + x + offx].CharData = b2[j, i].CharData;
}
}
break;
case BufferDrawMode.IgnoreBlack:
{
for (int i = w - 1; i >= offx; i--)
for (int j = h - 1; j >= offy; j--)
{
if (b2[j, i].BackColor != BufferColor.Black)
{
b[j + y + offy, i + x + offx]._attrs = b2[j, i]._attrs;
}
b[j + y + offy, i + x + offx].CharData = b2[j, i].CharData;
}
}
break;
}
}