internal void UpdateImage()
{
if (Table == null)
{
return;
}
Bitmap bm = new Bitmap(1, Scanlines);
int counter = 0;
foreach (HDMATableEntry entry in Table)
{
if (entry.ValueType == TableValueType.End)
{
break;
}
if (entry.ValueType == TableValueType.Single)
{
for (int y = counter; y < counter + entry.Scanlines - 0x80 && y < Scanlines; y++)
{
for (int x = 0; x < bm.Width; x++)
{
bm.SetPixel(x, y, Color.FromArgb(
ColorEffect.HasFlag(ColorHDMAValues.Red) ? (entry.Values[y] & 0x1F) * 8 : 0,
ColorEffect.HasFlag(ColorHDMAValues.Green) ? (entry.Values[y] & 0x1F) * 8 : 0,
ColorEffect.HasFlag(ColorHDMAValues.Blue) ? (entry.Values[y] & 0x1F) * 8 : 0));
}
}
counter += entry.Scanlines - 0x80;
}
else if (entry.ValueType == TableValueType.db)
{
for (int y = counter; y < counter + entry.Scanlines && y < Scanlines; y++)
{
for (int x = 0; x < bm.Width; x++)
{
bm.SetPixel(x, y, Color.FromArgb(
ColorEffect.HasFlag(ColorHDMAValues.Red) ? (entry.Values[0] & 0x1F) * 8 : 0,
ColorEffect.HasFlag(ColorHDMAValues.Green) ? (entry.Values[0] & 0x1F) * 8 : 0,
ColorEffect.HasFlag(ColorHDMAValues.Blue) ? (entry.Values[0] & 0x1F) * 8 : 0));
}
}
counter += entry.Scanlines;
}
else
{
//fixme exception
throw new HDMAException();
}
}
Bitmap retImg = new Bitmap(256, Scanlines);
using (TextureBrush brush = new TextureBrush(bm, WrapMode.Tile))
using (Graphics gr = Graphics.FromImage(retImg))
gr.FillRectangle(brush, 0, 0, retImg.Width, retImg.Height);
EffectImage = retImg;
}
/// <summary>
///
/// </summary>
/// <param name="channel"></param>
/// <param name="table"></param>
/// <returns></returns>
public override string Code(int Channel, HDMATable Table, bool SA1)
{
string tablename = "";
if (ColorEffect.HasFlag(ColorHDMAValues.Red))
{
tablename += "Red";
}
if (ColorEffect.HasFlag(ColorHDMAValues.Green))
{
tablename += "Green";
}
if (ColorEffect.HasFlag(ColorHDMAValues.Blue))
{
tablename += "Blue";
}
return(ColorHDMA.Code(Channel, Table, SA1, "." + tablename + "Table"));
}
/// <summary>
///
/// </summary>
internal void UseCollection()
{
//http://www.codeproject.com/Articles/20018/Gradients-made-easy
List <ColorPosition> _list = new List <ColorPosition>(ColorsPositions);
if (_list.Count < 2)
{
return;
}
_list.Sort();
if (_list[0].Position != 0)
{
_list.Insert(0, new ColorPosition(0, 0));
}
if (_list[_list.Count - 1].Position < Scanlines)
{
_list.Add(new ColorPosition(Scanlines, 0));
}
List <float> positions = new List <float>();
//positions.Add(0.0f);
int maxpos = _list.Max(cp => cp.Position);
foreach (ColorPosition cp in _list)
{
positions.Add((float)cp.Position / (float)maxpos);
}
//positions.Add(1.0f);
List <float> factors = new List <float>();
//factors.Add(0.0f);
foreach (ColorPosition cp in _list)
{
factors.Add((float)cp.Value8Bit / 248.0f);
}
//factors.Add(1.0f);
Bitmap bm = new Bitmap(1, maxpos);
using (Graphics g = Graphics.FromImage(bm))
{
Rectangle r = new Rectangle(0, 0, bm.Width, maxpos);
using (LinearGradientBrush lgb = new LinearGradientBrush(r, Color.FromArgb(_list.Min(cp => cp.Orignal8Bit), 0, 0), Color.FromArgb(_list.Max(cp => cp.Orignal8Bit), 0, 0), 90.0f))
{
Blend blend = new Blend();
blend.Factors = factors.ToArray();
blend.Positions = positions.ToArray();
lgb.Blend = blend;
g.FillRectangle(lgb, r);
}
}
byte Compare = (byte)(bm.GetPixel(0, 0).R / 8);
Table = new HDMATable();
for (int y = 0, scan = 1; y < maxpos; y++, scan++)
{
byte fivebit = (byte)(bm.GetPixel(0, y).R / 8);
if (Compare != fivebit || scan >= 0x80 || y == maxpos - 1)
{
Table.Add(new HDMATableEntry(TableValueType.db, (byte)scan, (byte)((byte)ColorEffect | Compare)));
Compare = fivebit;
scan = 0;
}
//fixme
for (int x = 0; x < bm.Width; x++)
{
bm.SetPixel(x, y, Color.FromArgb(
ColorEffect.HasFlag(ColorHDMAValues.Red) ? fivebit * 8 : 0,
ColorEffect.HasFlag(ColorHDMAValues.Green) ? fivebit * 8 : 0,
ColorEffect.HasFlag(ColorHDMAValues.Blue) ? fivebit * 8 : 0));
}
}
Table.Add(HDMATableEntry.End);
Bitmap retImg = new Bitmap(256, maxpos);
using (TextureBrush brush = new TextureBrush(bm, WrapMode.Tile))
using (Graphics gr = Graphics.FromImage(retImg))
gr.FillRectangle(brush, 0, 0, retImg.Width, retImg.Height);
bm.Dispose();
EffectImage = retImg;
}
