internal unsafe void Draw(BufferDrawMode mode)
{
if (_isDirty)
{
GL.BindBuffer(GL.ARRAY_BUFFER, _bufferId);
fixed(TVertex *temp = &_vertices[0])
GL.BufferData(GL.ARRAY_BUFFER, new IntPtr(sizeof(TVertex) * Count), new IntPtr((void *)temp), GL.STATIC_DRAW);
GL.BindBuffer(GL.ARRAY_BUFFER, 0);
}
GL.BindVertexArray(_id);
GL.DrawArrays((int)mode, 0, Count);
GL.BindVertexArray(0);
}
/// <summary>
/// Draws the contents of another buffer onto this buffer at the specified location.
/// </summary>
/// <param name="buffer">The buffer to draw.</param>
/// <param name="x">The X position to begin drawing at.</param>
/// <param name="y">The Y position to begin drawing at.</param>
/// <param name="drawMode">Specified how the buffer should be drawn.</param>
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;
}
}
/// <summary>
/// Draws the contents of another buffer onto this buffer at the specified location.
/// </summary>
/// <param name="buffer">The buffer to draw.</param>
/// <param name="x">The X position to begin drawing at.</param>
/// <param name="y">The Y position to begin drawing at.</param>
/// <param name="drawMode">Specified how the buffer should be drawn.</param>
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;
}
}
