/// <summary>
/// Draws a pixel.
/// </summary>
/// <param name="x">Starting X coordinate.</param>
/// <param name="y">Starting Y coordinate.</param>
/// <param name="color">The color to use.</param>
public static void SetPixel(int x, int y, Color.Palette color)
{
SetClip(x, y, 1, 1);
b2[0] = (byte)((ushort)color >> 8);
b2[1] = (byte)((ushort)color >> 0);
DrawImage(b2);
}
/// <summary>
/// Draws a string in small font.
/// </summary>
/// <param name="x">Starting X coordinate.</param>
/// <param name="y">Starting Y coordinate.</param>
/// <param name="str">The string to draw.</param>
/// <param name="color">The color to use.</param>
public static void DrawString(int x, int y, string str, Color.Palette color)
{
for (int i = 0; i < str.Length; i++)
{
DrawCharacter(x + i * 6, y, str[i], color);
}
}
/// <summary>
/// Get the Red, Green and Blue values from a Palette color.
/// </summary>
/// <param name="color">Palette color.</param>
/// <returns>The Red, Green and Blue values.</returns>
public static byte[] RgbFromPalette(Color.Palette color)
{
var ushortColor = (ushort)color;
var red = (byte)(((ushortColor & 0xF800) >> 11) * 8);
var green = (byte)(((ushortColor & 0x7E0) >> 5) * 4);
var blue = (byte)((ushortColor & 0x1F) * 8);
return(new byte[3] {
red, green, blue
});
}
/// <summary>
/// Draws a filled rectangle.
/// </summary>
/// <param name="x">Starting X coordinate.</param>
/// <param name="y">Starting Y coordinate.</param>
/// <param name="w">Width</param>
/// <param name="h">Height</param>
/// <param name="color">The color to use.</param>
public static void DrawFillRect(int x, int y, int w, int h, Color.Palette color)
{
SetClip(x, y, w, h);
byte[] colors = new byte[w * h * 2];
for (int i = 0; i < colors.Length; i += 2)
{
colors[i] = (byte)(((ushort)color >> 8) & 0xFF);
colors[i + 1] = (byte)(((ushort)color >> 0) & 0xFF);
}
DrawImage(colors);
}
public void SetPixel(int x, int y, Color.Palette color)
{
if (x > _width || x < 0)
{
return;
}
if (y > _height || y < 0)
{
return;
}
Pixels[(x * _width + y) * 2 + 0] = (byte)((ushort)color >> 8);
Pixels[(x * _width + y) * 2 + 1] = (byte)color;
}
/// <summary>
/// Draws a character in small font.
/// </summary>
/// <param name="x">Starting X coordinate.</param>
/// <param name="y">Starting Y coordinate.</param>
/// <param name="c">The character to draw.</param>
/// <param name="color">The color to use.</param>
public static void DrawCharacter(int x, int y, char c, Color.Palette color)
{
if (c > 126 || c < 32)
{
return;
}
c = (char)(c - 32);
for (int i = 0; i < 5; i++)
{
Draw8Pixels(x + i, y, font[5 * c + i], (ushort)color);
}
}
/// <summary>
/// Draws a rectangle.
/// </summary>
/// <param name="x">Starting X coordinate.</param>
/// <param name="y">Starting Y coordinate.</param>
/// <param name="w">Width</param>
/// <param name="h">Height</param>
/// <param name="color">The color to use.</param>
public static void DrawRect(int x, int y, int w, int h, Color.Palette color)
{
// chnage to be like the fill rect for speed
for (int i = x; i < x + w; i++)
{
SetPixel(i, y, color);
SetPixel(i, y + h - 1, color);
}
for (int i = y; i < y + h; i++)
{
SetPixel(x, i, color);
SetPixel(x + w - 1, i, color);
}
}
/// <summary>
/// Draws a circle.
/// </summary>
/// <param name="x0">Starting X coordinate.</param>
/// <param name="y0">Starting Y coordinate.</param>
/// <param name="r">The radius.</param>
/// <param name="color">The color to use.</param>
public static void DrawCircle(int x0, int y0, int r, Color.Palette color)
{
int f = 1 - r;
int ddF_x = 1;
int ddF_y = -2 * r;
int x = 0;
int y = r;
SetPixel(x0, y0 + r, color);
SetPixel(x0, y0 - r, color);
SetPixel(x0 + r, y0, color);
SetPixel(x0 - r, y0, color);
while (x < y)
{
if (f >= 0)
{
y--;
ddF_y += 2;
f += ddF_y;
}
x++;
ddF_x += 2;
f += ddF_x;
SetPixel(x0 + x, y0 + y, color);
SetPixel(x0 - x, y0 + y, color);
SetPixel(x0 + x, y0 - y, color);
SetPixel(x0 - x, y0 - y, color);
SetPixel(x0 + y, y0 + x, color);
SetPixel(x0 - y, y0 + x, color);
SetPixel(x0 + y, y0 - x, color);
SetPixel(x0 - y, y0 - x, color);
}
}
/// <summary>
/// Sets the color of the Light Bulb.
/// </summary>
/// <param name="color">The <see cref="Palette" /> color to use.</param>
public static void SetColor(Color.Palette color)
{
byte[] rgb = Color.RgbFromPalette(color);
SetColor(rgb[0] / 255.0, rgb[1] / 255.0, rgb[2] / 255.0);
}
/// <summary>
/// Draws a line.
/// </summary>
/// <param name="x0">Starting X coordinate.</param>
/// <param name="y0">Starting Y coordinate.</param>
/// <param name="x1">Ending X coordinate.</param>
/// <param name="y1">Ending Y coordinate.</param>
/// <param name="color">The color to use.</param>
public static void DrawLine(int x0, int y0, int x1, int y1, Color.Palette color)
{
int t;
bool steep = System.Math.Abs(y1 - y0) > System.Math.Abs(x1 - x0);
if (steep)
{
t = x0;
x0 = y0;
y0 = t;
t = x1;
x1 = y1;
y1 = t;
}
if (x0 > x1)
{
t = x0;
x0 = x1;
x1 = t;
t = y0;
y0 = y1;
y1 = t;
}
int dx, dy;
dx = x1 - x0;
dy = System.Math.Abs(y1 - y0);
int err = (dx / 2);
int ystep;
if (y0 < y1)
{
ystep = 1;
}
else
{
ystep = -1;
}
for (; x0 < x1; x0++)
{
if (steep)
{
SetPixel(y0, x0, color);
}
else
{
SetPixel(x0, y0, color);
}
err -= dy;
if (err < 0)
{
y0 += (byte)ystep;
err += dx;
}
}
}
