public GfxImage(Byte[] buffer, Palette palette, int paletteOffset)
{
this.buffer = buffer;
this.palette = palette;
this.paletteOffset = paletteOffset;
}
private Byte[] CreateImageDataWithRunLengthEncoding(byte[] data, int length)
{
List <Byte> newData = new List <Byte>();
int dataLength = 0;
for (int i = 0; i < length; i += 4)
{
int value = 0;
byte red = data[i + 0];
byte green = data[i + 1];
byte blue = data[i + 2];
byte alpha = data[i + 3];
bool valueIsOperator = false;
if (red == 255 && green + blue == 0)
{
value = 0; //transparent
valueIsOperator = true;
}
else if (green == 255 && red + blue == 0)
{
value = 1; //shadow
valueIsOperator = true;
}
else
{
value = palette.GetIndex(paletteOffset, Palette.RGBToPalette(red, green, blue));
value = Math.Max((byte)paletteOffset + 2, ((byte)value));
}
int count = 1;
newData.Add((byte)value);
dataLength += 1;
if (valueIsOperator == true)
{
int offset = 0;
count = GetSameValueCount(ref data, i, value, ref offset);
newData.Add((byte)(count));
//i += count * 4;
i = offset;
dataLength += 1;
}
}
return(newData.ToArray());
//while (j < length) {
// int value = pos >= buffer.Length ? 0 : buffer[pos];
// pos++;
// UInt32 color;
// int count = 1;
// if (value <= 1) {
// count = pos >= buffer.Length ? 1 : buffer[pos];
// pos++;
// if (value == 0) {
// color = 0xFF0000FF;
// } else {
// color = 0xFF00FF00;
// }
// } else {
// color = palette.GetColor(paletteOffset + value);
// }
// for (int i = 0; (i < count) && (j < length); i++) {
// imgData[j++] = color;
// }
//}
}