/// <summary>
/// Displays a string on the display. Is tied to an aligned grid 4px wide by 8px tall, per original LEM1802 spec.
/// </summary>
/// <param name="data">The buffer that is being manipulated.</param>
/// <param name="x">The X coordinate of where to begin rendering the string.</param>
/// <param name="y">The Y coordinate of where to begin rendering the string.</param>
/// <param name="s">The string to render.</param>
/// <param name="foreground">The color to use for the positive space (pixels the character fills).</param>
/// <param name="background">The color to use for the negative space (pixels the character doesn't fill.</param>
public static void WriteStr(this ScreenBufferState data, int x, int y, string s, ColorCode foreground, ColorCode background)
{
for (int i = 0; i < s.Length; i++)
{
if (x * 4 >= data.size.x)
{
y++;
x = 0;
}
if (y * 8 >= data.size.y)
{
y = 0;
}
data.WriteChar(x, y, s[i], foreground, background);
x++;
}
}
/// <summary>
/// Displays a character on the display. Is tied to an aligned grid 4px wide by 8px tall, per original LEM1802 spec.
/// </summary>
/// <remarks>
/// This is just a helper method for the version of WriteChar that uses a byte.
/// </remarks>
/// <param name="data">The buffer that is being manipulated.</param>
/// <param name="x">The X coordinate of where to render the character.</param>
/// <param name="y">The Y coordinate of where to render the character.</param>
/// <param name="c">Which character to render.</param>
/// <param name="foreground">The color to use for the positive space (pixels the character fills).</param>
/// <param name="background">The color to use for the negative space (pixels the character doesn't fill.</param>
public static void WriteChar(this ScreenBufferState data, int x, int y, char c, ColorCode foreground, ColorCode background)
{
data.WriteChar(x, y, characterToByte[c], foreground, background);
}
/// <summary>
/// Displays a character on the display. Is tied to an aligned grid 4px wide by 8px tall, per original LEM1802 spec.
/// </summary>
/// <remarks>
/// This utilizes the default font set of the LEM1802; manual pixel control is available from the SetPixel call.
/// This code presumes that a display's resolution can be evenly divided into 4px w by 8 px h cells.
/// Original font ripped from https://rdr4g0n.github.io/0x10c_SpriteStudio/.
/// </remarks>
/// <param name="data">The buffer that is being manipulated.</param>
/// <param name="x">The X coordinate of where to render the character.</param>
/// <param name="y">The Y coordinate of where to render the character.</param>
/// <param name="c">The index of the character to render.</param>
/// <param name="foreground">The color to use for the positive space (pixels the character fills).</param>
/// <param name="background">The color to use for the negative space (pixels the character doesn't fill.</param>
public static void WriteChar(this ScreenBufferState data, int x, int y, byte characterIndex, ColorCode foreground, ColorCode background)
{
// Fill character based on c
// Just pulls a specific index from a constant array filled (by hand!) from linked source
data.WriteChar(x, y, characterData[characterIndex], foreground, background);
}