/// <summary>
/// Creates the screen bitmap from a buffer
/// </summary>
/// <param name="buffer">The buffer</param>
/// <returns>Bitmap of the screen</returns>
public static Bitmap createScreen(Character[] buffer)
{
var screen = new Bitmap(128, 96);
int i = 0;
//Loop through each charater in the buffer
foreach (var character in buffer)
{
//Convert the index to a screen position
int x = i%32;
int y = (int) Math.Floor((double) (i/32));
//Get the charater
uint charData = (FontManager.getChar(character.id));
//Print the charater code 4*8 with the selected color
for (int j = 0; j < 4; j++)
{
for (int k = 0; k < 8; k++)
{
//Get the charater background and foreground color
Color color = ColorManager.getColor(character.backColor);
if (((charData >> (j*8) + k) & 0x1) == 1)
color = ColorManager.getColor(character.color);
//Set the pixel at the position
screen.SetPixel(x*4 + j, y*8 + k, color);
}
}
i++;
}
//Save the image, useful for debugging
//screen.Save("bitmap.png", ImageFormat.Png);
return screen;
}
/// <summary>
/// Initializes a new instance of the <see cref="ScreenGui"/> class
/// </summary>
/// <param name="computer">The emulator host</param>
public ScreenGui(IPluginHost computer)
{
ScreenGui.computer = computer;
characters = new Character[384]; // Screensize
for (int i = 0; i < characters.Length; i++)
{
//Initialize the charaters with empty black ones
characters[i] = new Character(70, 0, 0xE, false);
}
//Create the first screen
ScreenFactory.createScreen(characters);
InitializeComponent();
}
/// <summary>
/// Creates the screen
/// </summary>
/// <param name="characters">The character array</param>
/// <param name="width">The width of the screen</param>
/// <param name="height">The height of the screen</param>
/// <returns>The image to draw on the screen</returns>
public static Image createScreen(Character[] characters, int width, int height)
{
//Create the source and the destination bitmaps
Bitmap source = createScreen(characters);
var dest = new Bitmap(width, height);
using(Graphics g = Graphics.FromImage(dest))
{
//Turn off smoothing of pixels, antialiasing and blending
g.SmoothingMode = SmoothingMode.None;
g.InterpolationMode = InterpolationMode.NearestNeighbor;
g.PixelOffsetMode = PixelOffsetMode.Half;
//Draw the source on the target
g.DrawImage(source,new Rectangle(0,0, width, height));
}
return dest;
}
private void UpdateTimer_Tick(object sender, EventArgs e)
{
for (int i = memMap; i < memMap + characters.Length; i++)
{
characters[i - memMap] = new Character(computer.readMem(i));
}
screenBox.Image = ScreenFactory.createScreen(characters, screenBox.Width, screenBox.Height);
}
