private void UpdatePixels(ZXChar chr)
{
for (int y = chr.Area.Y; y < chr.Area.Bottom; y++)
{
for (int x = chr.Area.X; x < chr.Area.Right; x++)
{
if (pixels.GetPixel(x, y).A != 0)
{
pixels.SetPixel(x, y, chr.Attribute.RGBInk);
}
}
}
}
private void CheckAttribute(ZXChar Chr)
{
if (Chr == null)
{
return;
}
bool updatePixels = false;
if (Mode == SpeccyDrawControlMode.Ink || Mode == SpeccyDrawControlMode.InkPaper)
{
if (Chr.Attribute.Ink != ActiveAttribute.Ink || Chr.Attribute.Bright != ActiveAttribute.Bright)
{
Chr.Attribute.Ink = ActiveAttribute.Ink;
Chr.Attribute.Bright = ActiveAttribute.Bright;
updatePixels = true;
}
}
if (Mode == SpeccyDrawControlMode.Paper || Mode == SpeccyDrawControlMode.InkPaper)
{
if (Chr.Attribute.Paper != ActiveAttribute.Paper || Chr.Attribute.Bright != ActiveAttribute.Bright)
{
if (Chr.Attribute.Bright != ActiveAttribute.Bright)
{
updatePixels = true;
}
Chr.Attribute.Paper = ActiveAttribute.Paper;
Chr.Attribute.Bright = ActiveAttribute.Bright;
}
}
if (updatePixels)
{
UpdatePixels(Chr);
}
Invalidate();
}
public void Cleanup()
{
for (int x = 0; x < 32; x++)
{
for (int y = 0; y < 24; y++)
{
chars[x, y] = new ZXChar(x, y);
}
}
if (pixels != null)
{
pixels.Dispose();
}
pixels = new Bitmap(256, 192, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(pixels);
g.Clear(Color.Transparent);
g.Dispose();
drawBox.Image = pixels;
foreach (var state in undo)
{
state.Dispose();
}
foreach (var state in redo)
{
state.Dispose();
}
undo.Clear();
redo.Clear();
actions.Clear();
Invalidate();
}
private bool DeletePixels(ZXChar chrD)
{
if (chrD == null)
{
return(false);
}
bool didClear = false;
for (int y = chrD.Area.Y; y < chrD.Area.Bottom; y++)
{
for (int x = chrD.Area.X; x < chrD.Area.Right; x++)
{
if (pixels.GetPixel(x, y).A != 0)
{
pixels.SetPixel(x, y, Color.Transparent);
didClear = true;
}
}
}
return(didClear);
}
