| public abstract GetColor ( int x, int y ) : BufferColor | ||
| x | int | The X position to sample from. |
| y | int | The Y position to sample from. |
| return | BufferColor | |
/// <summary>
/// Fills the entire buffer with a brush.
/// </summary>
/// <param name="brush">The brush to fill the buffer with.</param>
public unsafe void ClearBrush(BufferBrush brush)
{
for (int i = _width - 1; i >= 0; i--)
{
for (int j = _height - 1; j >= 0; j--)
{
_buffer[j, i].ForeColor = brush.GetColor(i, j);
_buffer[j, i].BackColor = brush.GetColor(i, j);
_buffer[j, i].CharData = '\0';
}
}
}
/// <summary>
/// Draws a solid box with the specified dimensions to the buffer.
/// </summary>
/// <param name="x">The X coordinate of the box.</param>
/// <param name="y">The Y coordinate of the box.</param>
/// <param name="w">The width of the box.</param>
/// <param name="h">The height of the box.</param>
/// <param name="brush">The brush to draw the box with.</param>
public void DrawBox(int x, int y, int w, int h, BufferBrush brush)
{
if (w < 0)
{
w *= -1;
x -= w;
}
if (h < 0)
{
h *= -1;
y -= h;
}
var b = _buffer;
for (int i = 0; i < w; i++)
{
for (int j = 0; j < h; j++)
{
if (InBounds(x + i, y + j))
{
b[y + j, x + i].BackColor = brush.GetColor(x + i, y + j);
}
}
}
}
/// <summary>
/// Draws text to a buffer using the specified settings.
/// </summary>
/// <param name="buffer">The buffer to draw to.</param>
/// <param name="text">The text to draw.</param>
/// <param name="position">The position of the text.</param>
/// <param name="brush">The brush to draw the text with.</param>
/// <param name="alignment">The alignment of the text relative to its position.</param>
public void Draw(ConsoleBuffer buffer, string text, Point position, BufferBrush brush, Alignment alignment)
{
int // Character offsets
mx = 0,
my = 0;
Point p = new Point();
Point pc = new Point();
foreach (char c in text)
{
p.X = alignment == Alignment.Left ? mx : -CharWidth - mx;
p.Y = my;
p = p + position;
if (c == '\n')
{
mx = 0;
my += CharHeight + 1;
}
else if (!Char.IsControl(c))
{
for (int i = 0; i < glyphs[c].Length; i++)
{
if (c > glyphs.Length)
{
continue;
}
if (glyphs[c] == null)
{
continue;
}
pc.Y = i;
for (int j = 0; j < glyphs[c][i].Length; j++)
{
if (glyphs[c][i] == null)
{
continue;
}
if (!glyphs[c][i][j])
{
continue;
}
pc.X = j;
buffer.SetUnitBackColor(p + pc, brush.GetColor(p.X + pc.X, p.Y + pc.Y));
}
}
mx += CharWidth + 1;
}
}
}
/// <summary>
/// Draws a solid circle to the buffer with the specified attributes.
/// </summary>
/// <param name="x">The X position of the circle, relative to its center.</param>
/// <param name="y">The Y position of the circle, relative to its center.</param>
/// <param name="radius">The radius of the circle.</param>
/// <param name="brush">The brush to draw the circle with.</param>
public void DrawCircle(int x, int y, int radius, BufferBrush brush)
{
if (radius < 0)
{
radius *= -1;
}
int rr = radius * radius;
for (int i = -radius; i <= radius; i++)
{
for (int j = -radius; j <= radius; j++)
{
if (i * i + j * j <= rr && InBounds(x + i, y + j))
{
_buffer[y + j, x + i].BackColor = brush.GetColor(x + i, y + j);
}
}
}
}
/// <summary>
/// Draws a box with the specified border and fill brushes.
/// </summary>
/// <param name="x">The X position of the box.</param>
/// <param name="y">The Y position of the box.</param>
/// <param name="w">The width of the box.</param>
/// <param name="h">The height of the box.</param>
/// <param name="thickness">The border thickness of the box.</param>
/// <param name="border">The brush to draw the border with.</param>
/// <param name="fill">The brush to draw the fill with.</param>
public void DrawBox(int x, int y, int w, int h, int thickness, BufferBrush border, BufferBrush fill)
{
if (w < 0)
{
w *= -1;
x -= w;
}
if (h < 0)
{
h *= -1;
y -= h;
}
if (thickness < 0)
{
thickness *= -1;
}
var b = _buffer;
for (int i = 0; i < w; i++)
{
for (int j = 0; j < h; j++)
{
if (InBounds(x + i, y + j))
{
if ((i >= thickness && i < w - thickness) && (j >= thickness && j < h - thickness))
{
b[y + j, x + i].BackColor = fill.GetColor(x + i, y + j);
}
else
{
b[y + j, x + i].BackColor = border.GetColor(x + i, y + j);
}
}
}
}
}
/// <summary>
/// Draws a circle with the specified radius, border thickness, and attributes for both border and fill.
/// </summary>
/// <param name="x">The X position of the circle, relative to its center.</param>
/// <param name="y">The Y position of the circle, relative to its center.</param>
/// <param name="radius">The radius of the circle.</param>
/// <param name="thickness">The border thickness of the circle.</param>
/// <param name="border">The border brush for the circle.</param>
/// <param name="fill">The fill brush for the circle.</param>
public void DrawCircle(int x, int y, int radius, int thickness, BufferBrush border, BufferBrush fill)
{
if (radius < 0)
{
radius *= -1;
}
if (thickness < 0)
{
thickness *= -1;
}
if (thickness > radius)
{
thickness = radius;
}
int rra = radius * radius;
int rrb = (radius - thickness) * (radius - thickness);
int d = 0;
for (int i = -radius; i <= radius; i++)
{
for (int j = -radius; j <= radius; j++)
{
d = i * i + j * j;
if (InBounds(x + i, y + j))
{
if (d < rrb)
{
_buffer[y + j, x + i].BackColor = fill.GetColor(x + i, y + j);
}
else if (d <= rra)
{
_buffer[y + j, x + i].BackColor = border.GetColor(x + i, y + j);
}
}
}
}
}
/// <summary>
/// Draws a triangle with the specified border and fill brushes.
/// </summary>
/// <param name="triangle">The triangle to draw.</param>
/// <param name="border">The border brush.</param>
/// <param name="fill">The fill brush.</param>
public void DrawTriangle(Triangle triangle, BufferBrush border, BufferBrush fill)
{
var bounds = triangle.GetBounds();
double area = triangle.Area;
Point p = new Point();
double sum = 0;
for (int i = bounds.Left; i < bounds.Right; i++)
{
for (int j = bounds.Top; j < bounds.Bottom; j++)
{
p.X = i;
p.Y = j;
sum = Triangle.GetArea(p, triangle.A, triangle.B) +
Triangle.GetArea(p, triangle.B, triangle.C) +
Triangle.GetArea(p, triangle.C, triangle.A);
if (sum >= area - 1 && sum <= area + 1)
{
_buffer[j, i].BackColor = fill.GetColor(i, j);
}
}
}
DrawTriangle(triangle, border);
}
/// <summary>
/// Draws a line to the buffer.
/// </summary>
/// <param name="x">The starting X coordinate of the line.</param>
/// <param name="y">The starting Y coordinate of the line.</param>
/// <param name="x2">The ending X coordinate of the line.</param>
/// <param name="y2">The ending Y coordinate of the line.</param>
/// <param name="brush">The brush to draw the line with.</param>
public void DrawLine(int x, int y, int x2, int y2, BufferBrush brush)
{
var b = _buffer;
int w = x2 - x;
int h = y2 - y;
int dx1 = 0, dy1 = 0, dx2 = 0, dy2 = 0;
if (w < 0) dx1 = -1; else if (w > 0) dx1 = 1;
if (h < 0) dy1 = -1; else if (h > 0) dy1 = 1;
if (w < 0) dx2 = -1; else if (w > 0) dx2 = 1;
int longest = Math.Abs(w);
int shortest = Math.Abs(h);
if (!(longest > shortest))
{
longest = Math.Abs(h);
shortest = Math.Abs(w);
if (h < 0) dy2 = -1; else if (h > 0) dy2 = 1;
dx2 = 0;
}
int numerator = longest >> 1;
for (int i = 0; i <= longest; i++)
{
if (InBounds(ref x, ref y))
{
b[y, x].BackColor = brush.GetColor(x, y);
}
numerator += shortest;
if (!(numerator < longest))
{
numerator -= longest;
x += dx1;
y += dy1;
}
else
{
x += dx2;
y += dy2;
}
}
}
/// <summary>
/// Draws a circle with the specified radius, border thickness, and attributes for both border and fill.
/// </summary>
/// <param name="x">The X position of the circle, relative to its center.</param>
/// <param name="y">The Y position of the circle, relative to its center.</param>
/// <param name="radius">The radius of the circle.</param>
/// <param name="thickness">The border thickness of the circle.</param>
/// <param name="border">The border brush for the circle.</param>
/// <param name="fill">The fill brush for the circle.</param>
public void DrawCircle(int x, int y, int radius, int thickness, BufferBrush border, BufferBrush fill)
{
if (radius < 0) radius *= -1;
if (thickness < 0) thickness *= -1;
if (thickness > radius) thickness = radius;
int rra = radius * radius;
int rrb = (radius - thickness) * (radius - thickness);
int d = 0;
for (int i = -radius; i <= radius; i++)
for (int j = -radius; j <= radius; j++)
{
d = i * i + j * j;
if (InBounds(x + i, y + j))
{
if (d < rrb)
{
_buffer[y + j, x + i].BackColor = fill.GetColor(x + i, y + j);
}
else if (d <= rra)
{
_buffer[y + j, x + i].BackColor = border.GetColor(x + i, y + j);
}
}
}
}
/// <summary>
/// Draws a solid circle to the buffer with the specified attributes.
/// </summary>
/// <param name="x">The X position of the circle, relative to its center.</param>
/// <param name="y">The Y position of the circle, relative to its center.</param>
/// <param name="radius">The radius of the circle.</param>
/// <param name="brush">The brush to draw the circle with.</param>
public void DrawCircle(int x, int y, int radius, BufferBrush brush)
{
if (radius < 0) radius *= -1;
int rr = radius * radius;
for (int i = -radius; i <= radius; i++)
for (int j = -radius; j <= radius; j++)
{
if (i * i + j * j <= rr && InBounds(x + i, y + j))
{
_buffer[y + j, x + i].BackColor = brush.GetColor(x + i,y + j);
}
}
}
/// <summary>
/// Draws a box with the specified border and fill brushes.
/// </summary>
/// <param name="x">The X position of the box.</param>
/// <param name="y">The Y position of the box.</param>
/// <param name="w">The width of the box.</param>
/// <param name="h">The height of the box.</param>
/// <param name="thickness">The border thickness of the box.</param>
/// <param name="border">The brush to draw the border with.</param>
/// <param name="fill">The brush to draw the fill with.</param>
public void DrawBox(int x, int y, int w, int h, int thickness, BufferBrush border, BufferBrush fill)
{
if (w < 0)
{
w *= -1;
x -= w;
}
if (h < 0)
{
h *= -1;
y -= h;
}
if (thickness < 0)
{
thickness *= -1;
}
var b = _buffer;
for (int i = 0; i < w; i++)
for (int j = 0; j < h; j++)
{
if (InBounds(x + i, y + j))
{
if ((i >= thickness && i < w - thickness) && (j >= thickness && j < h - thickness))
{
b[y + j, x + i].BackColor = fill.GetColor(x + i, y + j);
}
else
{
b[y + j, x + i].BackColor = border.GetColor(x + i, y + j);
}
}
}
}
/// <summary>
/// Draws a solid box with the specified dimensions to the buffer.
/// </summary>
/// <param name="x">The X coordinate of the box.</param>
/// <param name="y">The Y coordinate of the box.</param>
/// <param name="w">The width of the box.</param>
/// <param name="h">The height of the box.</param>
/// <param name="brush">The brush to draw the box with.</param>
public void DrawBox(int x, int y, int w, int h, BufferBrush brush)
{
if (w < 0)
{
w *= -1;
x -= w;
}
if (h < 0)
{
h *= -1;
y -= h;
}
var b = _buffer;
for (int i = 0; i < w; i++)
for (int j = 0; j < h; j++)
{
if (InBounds(x + i, y + j))
{
b[y + j, x + i].BackColor = brush.GetColor(x + i, y + j);
}
}
}
/// <summary>
/// Fills the entire buffer with a brush.
/// </summary>
/// <param name="brush">The brush to fill the buffer with.</param>
public unsafe void ClearBrush(BufferBrush brush)
{
for (int i = _width - 1; i >= 0; i--)
for (int j = _height - 1; j >= 0; j--)
{
_buffer[j, i].ForeColor = brush.GetColor(i, j);
_buffer[j, i].BackColor = brush.GetColor(i, j);
_buffer[j, i].CharData = '\0';
}
}
/// <summary>
/// Flood fills a closed region containing the specified coordinates with a brush.
/// </summary>
/// <param name="x">The X coordinate to begin filling at.</param>
/// <param name="y">The Y coordinate to begin filling at.</param>
/// <param name="brush">The brush to fill the region with.</param>
public void FloodFill(int x, int y, BufferBrush brush)
{
if (!InBounds(x, y))
{
return;
}
var initColor = _buffer[y, x].BackColor;
if (brush.GetColor(x, y) == initColor)
{
return;
}
List <Point> queue = new List <Point>(32);
queue.Add(new Point(x, y));
Point p;
int w, e, j;
for (int i = 0; i < queue.Count; i++)
{
p = queue[i];
w = e = p.X;
while (w - 1 >= 0)
{
if (_buffer[p.Y, w - 1].BackColor == initColor)
{
w--;
}
else
{
break;
}
}
while (e + 1 < _width)
{
if (_buffer[p.Y, e + 1].BackColor == initColor)
{
e++;
}
else
{
break;
}
}
for (j = w; j <= e; j++)
{
_buffer[p.Y, j].BackColor = brush.GetColor(j, p.Y);
if (p.Y + 1 < _height)
{
if (_buffer[p.Y + 1, j].BackColor == initColor)
{
queue.Add(new Point(j, p.Y + 1));
}
}
if (p.Y - 1 >= 0)
{
if (_buffer[p.Y - 1, j].BackColor == initColor)
{
queue.Add(new Point(j, p.Y - 1));
}
}
}
}
}
/// <summary>
/// Draws a line to the buffer.
/// </summary>
/// <param name="x">The starting X coordinate of the line.</param>
/// <param name="y">The starting Y coordinate of the line.</param>
/// <param name="x2">The ending X coordinate of the line.</param>
/// <param name="y2">The ending Y coordinate of the line.</param>
/// <param name="brush">The brush to draw the line with.</param>
public void DrawLine(int x, int y, int x2, int y2, BufferBrush brush)
{
var b = _buffer;
int w = x2 - x;
int h = y2 - y;
int dx1 = 0, dy1 = 0, dx2 = 0, dy2 = 0;
if (w < 0)
{
dx1 = -1;
}
else if (w > 0)
{
dx1 = 1;
}
if (h < 0)
{
dy1 = -1;
}
else if (h > 0)
{
dy1 = 1;
}
if (w < 0)
{
dx2 = -1;
}
else if (w > 0)
{
dx2 = 1;
}
int longest = Math.Abs(w);
int shortest = Math.Abs(h);
if (!(longest > shortest))
{
longest = Math.Abs(h);
shortest = Math.Abs(w);
if (h < 0)
{
dy2 = -1;
}
else if (h > 0)
{
dy2 = 1;
}
dx2 = 0;
}
int numerator = longest >> 1;
for (int i = 0; i <= longest; i++)
{
if (InBounds(ref x, ref y))
{
b[y, x].BackColor = brush.GetColor(x, y);
}
numerator += shortest;
if (!(numerator < longest))
{
numerator -= longest;
x += dx1;
y += dy1;
}
else
{
x += dx2;
y += dy2;
}
}
}
/// <summary>
/// Draws a triangle with the specified border and fill brushes.
/// </summary>
/// <param name="triangle">The triangle to draw.</param>
/// <param name="border">The border brush.</param>
/// <param name="fill">The fill brush.</param>
public void DrawTriangle(Triangle triangle, BufferBrush border, BufferBrush fill)
{
var bounds = triangle.GetBounds();
double area = triangle.Area;
Point p = new Point();
double sum = 0;
for (int i = bounds.Left; i < bounds.Right; i++)
for (int j = bounds.Top; j < bounds.Bottom; j++)
{
p.X = i;
p.Y = j;
sum = Triangle.GetArea(p, triangle.A, triangle.B) +
Triangle.GetArea(p, triangle.B, triangle.C) +
Triangle.GetArea(p, triangle.C, triangle.A);
if (sum >= area - 1 && sum <= area + 1)
{
_buffer[j, i].BackColor = fill.GetColor(i, j);
}
}
DrawTriangle(triangle, border);
}
/// <summary>
/// Flood fills a closed region containing the specified coordinates with a brush.
/// </summary>
/// <param name="x">The X coordinate to begin filling at.</param>
/// <param name="y">The Y coordinate to begin filling at.</param>
/// <param name="brush">The brush to fill the region with.</param>
public void FloodFill(int x, int y, BufferBrush brush)
{
if (!InBounds(x, y)) return;
var initColor = _buffer[y, x].BackColor;
if (brush.GetColor(x,y) == initColor) return;
List<Point> queue = new List<Point>(32);
queue.Add(new Point(x, y));
Point p;
int w, e, j;
for (int i = 0; i < queue.Count; i++)
{
p = queue[i];
w = e = p.X;
while (w - 1 >= 0)
{
if (_buffer[p.Y, w - 1].BackColor == initColor)
{
w--;
}
else
{
break;
}
}
while (e + 1 < _width)
{
if (_buffer[p.Y, e + 1].BackColor == initColor)
{
e++;
}
else
{
break;
}
}
for (j = w; j <= e; j++)
{
_buffer[p.Y, j].BackColor = brush.GetColor(j, p.Y);
if (p.Y + 1 < _height)
{
if (_buffer[p.Y + 1, j].BackColor == initColor)
{
queue.Add(new Point(j, p.Y + 1));
}
}
if (p.Y - 1 >= 0)
{
if (_buffer[p.Y - 1, j].BackColor == initColor)
{
queue.Add(new Point(j, p.Y - 1));
}
}
}
}
}
/// <summary>
/// Draws text to a buffer using the specified settings.
/// </summary>
/// <param name="buffer">The buffer to draw to.</param>
/// <param name="text">The text to draw.</param>
/// <param name="position">The position of the text.</param>
/// <param name="brush">The brush to draw the text with.</param>
/// <param name="alignment">The alignment of the text relative to its position.</param>
public void Draw(ConsoleBuffer buffer, string text, Point position, BufferBrush brush, Alignment alignment)
{
int // Character offsets
mx = 0,
my = 0;
Point p = new Point();
Point pc = new Point();
foreach(char c in text)
{
p.X = alignment == Alignment.Left ? mx : -CharWidth - mx;
p.Y = my;
p = p + position;
if (c == '\n')
{
mx = 0;
my += CharHeight + 1;
}
else if (!Char.IsControl(c))
{
for (int i = 0; i < glyphs[c].Length; i++)
{
if (c > glyphs.Length) continue;
if (glyphs[c] == null) continue;
pc.Y = i;
for(int j = 0; j < glyphs[c][i].Length; j++)
{
if (glyphs[c][i] == null) continue;
if (!glyphs[c][i][j]) continue;
pc.X = j;
buffer.SetUnitBackColor(p + pc, brush.GetColor(p.X + pc.X, p.Y + pc.Y));
}
}
mx += CharWidth + 1;
}
}
}