/// <summary>
/// Copy a bitmap to the display.
/// </summary>
/// <remarks>
/// Currently, this method only supports copying the bitmap over the contents
/// of the display buffer.
/// </remarks>
/// <param name="x">Abscissa of the top left corner of the bitmap.</param>
/// <param name="y">Ordinate of the top left corner of the bitmap.</param>
/// <param name="width">Width of the bitmap in bytes.</param>
/// <param name="height">Height of the bitmap in bytes.</param>
/// <param name="bitmap">Bitmap to transfer</param>
/// <param name="bitmapMode">How should the bitmap be transferred to the display?</param>
public override void DrawBitmap(int x, int y, OneBppBitmap bitmap, BitmapMode bitmapMode)
{
var mergeMode = OneBppBitmap.MergeMode.Copy;
switch (bitmapMode)
{
case BitmapMode.And:
mergeMode = OneBppBitmap.MergeMode.And;
break;
case BitmapMode.Or:
mergeMode = OneBppBitmap.MergeMode.Or;
break;
case BitmapMode.XOr:
mergeMode = OneBppBitmap.MergeMode.XOr;
break;
case BitmapMode.Copy:
mergeMode = OneBppBitmap.MergeMode.Copy;
break;
}
this._backingStore.MergeInto(( uint )x, ( uint )y, bitmap, mergeMode);
}
protected virtual void InitSSD1306()
{
SendCommands(this.SetupSequence);
this._backingStore = OneBppBitmap.FromBuffer(this.Width
, this.Height
, new byte[this.Width * this.Height / 8]
, OneBppBitmap.ByteDirectionSpec.TopToBottomLsbFirst);
_showPreamble = new byte[] { 0x21, 0x00, ( byte )(this.Width - 1), 0x22, 0x00, ( byte )((this.Height / 8) - 1) };
IgnoreOutOfBoundsPixels = false;
//
// Finally, put the display into a known state.
//
InvertDisplay = false;
Sleep = false;
Contrast = 0xff;
StopScrolling();
}
public virtual OneBppBitmap GetBitmapFromString(string text)
{
var bitmaps = this.GetCharactersFromString(text);
var width = this.GetWidthFromString(text);
if (width == 0)
{
return(null);
}
var result = OneBppBitmap.FromBitmap(width, this.Height, bitmaps.First());
uint xIndex = 0;
foreach (var bitmap in bitmaps)
{
result.MergeInto(xIndex, 0, bitmap, OneBppBitmap.MergeMode.Or);
xIndex = bitmap.Width;
}
return(result);
}
public override void DrawBitmap(int x, int y, OneBppBitmap bitmap, BitmapMode bitmapMode) => throw new NotImplementedException();
public abstract void DrawBitmap(int x, int y, OneBppBitmap bitmap, Color color);
/// <summary> /// Copy a 1bpp bitmap to the display. /// </summary> /// <param name="x">horizontal top left corner of the bitmap.</param> /// <param name="y">vertical top left corner of the bitmap.</param> /// <param name="bitmap">Bitmap to transfer</param> /// <param name="bitmapMode">How should the bitmap be transferred to the display?</param> public abstract void DrawBitmap(int x, int y, OneBppBitmap bitmap, BitmapMode bitmapMode);
