public virtual void DrawBitmap(ulong bitmap, Pixel colour, int panel = 0) {
ulong mask;
if (panel < 0 || panel >= NumberOfPanels) { return; }
for (int pos = 0; pos < PixelsPerPanel; pos++) {
mask = (ulong)1 << (int)pos;
if ((bitmap & mask) == 0) {
FrameSet(Colour.Black, (int)pos, panel);
}
else {
FrameSet(colour, (int)pos, panel);
}
}
}
public void DrawSymbol(Symbols[] sym, Pixel[] colour, int pause, int panel = 0) {
ushort cycleColour = 0;
foreach (var item in sym) {
DrawBitmap((ulong)item, colour[cycleColour], panel);
FrameDraw();
Util.Delay(pause);
cycleColour++;
}
}
public void DrawSymbol(Symbols sym, Pixel colour, int panel = 0) {
DrawBitmap((ulong)sym, colour, panel);
}
public void DrawString(string characters, Pixel[] colour, int pause, int panel = 0) {
ushort cycleColour = 0;
char c;
for (int i = 0; i < characters.Length; i++) {
c = characters.Substring(i, 1)[0];
if (c >= ' ' && c <= 'z') {
DrawLetter(c, colour[cycleColour % colour.Length], panel);
FrameDraw();
Util.Delay(pause);
cycleColour++;
}
}
}
public void DrawLetter(char character, Pixel colour, int panel = 0) {
ulong letter = 0;
if (character >= ' ' && character <= 'z') {
//calc ascii offset
byte charValue = (byte)(character - 32);
letter = fontSimple[charValue];
}
else { return; }
DrawBitmap(letter, colour, panel);
}
public virtual void ScrollBitmapInFromLeft(ulong bitmap, int pause, Pixel colour) {
int pos = 0;
ulong mask;
bool pixelFound = false;
// space character ?
if (bitmap == 0)
{
DrawShiftRight(pause);
DrawShiftRight(pause);
return;
}
// fetch vertical slice of character font
for (int col = (int)ColumnsPerPanel - 1; col >= 0; col--) {
pixelFound = false;
for (int row = 0; row < RowsPerPanel; row++) {
mask = 1UL << row * ColumnsPerPanel + col;
pos = (int)ColumnsPerPanel * row;
if ((bitmap & mask) != 0) {
FrameSet(colour, pos, 0);
pixelFound = true;
}
}
if (pixelFound) {
DrawShiftRight(pause);
}
}
//blank character space
DrawShiftRight(pause);
}
public void DrawString(string characters, Pixel colour, int pause, int panel = 0) {
DrawString(characters, new Pixel[] { colour }, pause, panel);
}
public void ScrollSymbolInFromLeft(Symbols[] sym, int pause, Pixel colour) {
foreach (var item in sym) {
ScrollBitmapInFromLeft((ulong)item, pause, colour);
}
}
public void ScrollSymbolInFromLeft(Symbols[] sym, int pause, Pixel[] colourPalette) {
ushort cycleColour = 0;
foreach (var item in sym) {
ScrollBitmapInFromLeft((ulong)item, pause, colourPalette[cycleColour % colourPalette.Length]);
cycleColour++;
}
}
public void ScrollSymbolInFromLeft(Symbols sym, int pause, Pixel colour) {
ScrollBitmapInFromLeft((ulong)sym, pause, colour);
}
public void ScrollCharacterFromLeft(char charactor, int pause, Pixel colour) {
if (charactor >= ' ' && charactor <= 'z') {
ScrollBitmapInFromLeft(fontSimple[charactor - 32], pause, colour);
}
}
public void ScrollStringInFromLeft(string characters, int pause, Pixel[] colour) {
ushort cycleColour = 0;
// loop through each chacter
for (int ch = characters.Length - 1; ch >= 0; ch--) {
char charactor = characters.Substring(ch, 1)[0];
if (charactor >= ' ' && charactor <= 'z') {
ScrollBitmapInFromLeft(fontSimple[charactor - 32], pause, colour[cycleColour % colour.Length]);
cycleColour++;
}
}
}
public void ScrollStringInFromLeft(string characters, int pause, Pixel colour) {
ScrollStringInFromLeft(characters, pause, new Pixel[] { colour });
}
/// <summary>
/// move a singel pixel around (or along) the ring (or strip) - always starts at position 0
/// </summary>
/// <param name="pixelColour">Colour of the pixel to show</param>
/// <param name="cycles">Number of whole cycles to rotate</param>
/// <param name="stepDelay">Delay between steps (ms)</param>
public Task SpinColour(Pixel pixelColour, int cycles = 1, int stepDelay = 250)
{
return(SpinColourOnBackground(pixelColour, Colour.Black, cycles, stepDelay));
}