public int ImageToMCBitmapData(Dictionary <int, List <ColorMappingTarget> > ForceBitPattern, List <Formats.CharData> Chars, bool[,] ErrornousBlocks, int CharX, int CharY, int WidthChars, int HeightChars, out GR.Memory.ByteBuffer bitmapData, out GR.Memory.ByteBuffer screenChar, out GR.Memory.ByteBuffer screenColor)
{
int numErrors = 0;
ColorMappingTarget[] bitPattern = new ColorMappingTarget[3] {
ColorMappingTarget.BITS_01, ColorMappingTarget.BITS_10, ColorMappingTarget.BITS_11
};
var usedBitPattern = new GR.Collections.Set <ColorMappingTarget>();
Dictionary <int, GR.Collections.Set <ColorMappingTarget> > usedPatterns = new Dictionary <int, GR.Collections.Set <ColorMappingTarget> >();
screenChar = new GR.Memory.ByteBuffer((uint)(WidthChars * HeightChars));
screenColor = new GR.Memory.ByteBuffer((uint)(WidthChars * HeightChars));
bitmapData = new GR.Memory.ByteBuffer((uint)(8 * WidthChars * HeightChars));
GR.Collections.Map <byte, ColorMappingTarget> usedColors = new GR.Collections.Map <byte, ColorMappingTarget>();
for (int y = 0; y < HeightChars; ++y)
{
for (int x = 0; x < WidthChars; ++x)
{
// ein zeichen-block
usedColors.Clear();
usedBitPattern.Clear();
if (ErrornousBlocks != null)
{
ErrornousBlocks[x, y] = false;
}
for (int charY = 0; charY < 8; ++charY)
{
for (int charX = 0; charX < 4; ++charX)
{
byte colorIndex = (byte)Image.GetPixel(x * 8 + charX * 2, y * 8 + charY);
if (colorIndex >= 16)
{
if (Chars != null)
{
Chars[x + y * BlockWidth].Error = "Color index >= 16 (" + colorIndex + ") at " + (x * 8 + charX * 2).ToString() + ", " + (y * 8 + charY).ToString() + " (" + charX + "," + charY + ")";
}
if (ErrornousBlocks != null)
{
ErrornousBlocks[x, y] = true;
}
++numErrors;
}
if (colorIndex != Colors.BackgroundColor)
{
// remember used color
usedColors.Add(colorIndex, 0);
}
}
}
// more than 3 colors?
if (usedColors.Count > 3)
{
if (Chars != null)
{
Chars[x + y * BlockWidth].Error = "Too many colors used";
}
if (ErrornousBlocks != null)
{
ErrornousBlocks[x, y] = true;
}
++numErrors;
}
else
{
if (usedColors.Count > 0)
{
int colorTarget = 0;
List <byte> keys = new List <byte>(usedColors.Keys);
// check for overlaps - two colors are used that would map to the same target pattern?
Dictionary <int, ColorMappingTarget> recommendedPattern = new Dictionary <int, ColorMappingTarget>();
numErrors += DetermineBestMapping(keys, x, y, ForceBitPattern, recommendedPattern, ErrornousBlocks);
foreach (byte colorIndex in keys)
{
if (recommendedPattern.ContainsKey(colorIndex))
{
usedColors[colorIndex] = recommendedPattern[colorIndex];
if (!usedPatterns.ContainsKey(colorIndex))
{
usedPatterns.Add(colorIndex, new GR.Collections.Set <ColorMappingTarget>());
}
usedPatterns[colorIndex].Add(recommendedPattern[colorIndex]);
usedBitPattern.Add(recommendedPattern[colorIndex]);
switch (recommendedPattern[colorIndex])
{
case ColorMappingTarget.BITS_01:
{
// upper screen char nibble
byte value = screenChar.ByteAt(x + y * WidthChars);
value &= 0x0f;
value |= (byte)(colorIndex << 4);
screenChar.SetU8At(x + y * WidthChars, value);
}
break;
case ColorMappingTarget.BITS_10:
{
// lower nibble in screen char
byte value = screenChar.ByteAt(x + y * WidthChars);
value &= 0xf0;
value |= (byte)(colorIndex);
screenChar.SetU8At(x + y * WidthChars, value);
}
break;
case ColorMappingTarget.BITS_11:
// color ram
screenColor.SetU8At(x + y * WidthChars, colorIndex);
break;
}
continue;
}
if (!usedPatterns.ContainsKey(colorIndex))
{
usedPatterns.Add(colorIndex, new GR.Collections.Set <ColorMappingTarget>());
}
usedPatterns[colorIndex].Add(bitPattern[colorTarget]);
colorTarget = 0;
while ((colorTarget < 3) &&
(usedBitPattern.ContainsValue(bitPattern[colorTarget])))
{
++colorTarget;
}
usedBitPattern.Add(bitPattern[colorTarget]);
if (colorTarget == 0)
{
// upper screen char nibble
byte value = screenChar.ByteAt(x + y * WidthChars);
value &= 0x0f;
value |= (byte)(colorIndex << 4);
screenChar.SetU8At(x + y * WidthChars, value);
usedColors[colorIndex] = ColorMappingTarget.BITS_01;
}
else if (colorTarget == 1)
{
// lower nibble in screen char
byte value = screenChar.ByteAt(x + y * WidthChars);
value &= 0xf0;
value |= (byte)(colorIndex);
screenChar.SetU8At(x + y * WidthChars, value);
usedColors[colorIndex] = ColorMappingTarget.BITS_10;
}
else if (colorTarget == 2)
{
// color ram
screenColor.SetU8At(x + y * WidthChars, colorIndex);
usedColors[colorIndex] = ColorMappingTarget.BITS_11;
}
++colorTarget;
}
}
// write out bits
/*
* Debug.Log( "For Char " + x + "," + y );
* foreach ( var usedColor in usedColors )
* {
* Debug.Log( " Color " + usedColor.Key + " = " + usedColor.Value );
* }*/
for (int charY = 0; charY < 8; ++charY)
{
for (int charX = 0; charX < 4; ++charX)
{
byte colorIndex = (byte)Image.GetPixel(x * 8 + charX * 2, y * 8 + charY);
if (colorIndex != Colors.BackgroundColor)
{
// other color
byte colorValue = 0;
switch (usedColors[colorIndex])
{
case ColorMappingTarget.BITS_01:
colorValue = 0x01;
break;
case ColorMappingTarget.BITS_10:
colorValue = 0x02;
break;
case ColorMappingTarget.BITS_11:
colorValue = 0x03;
break;
}
int bitmapIndex = x * 8 + y * 8 * WidthChars + charY;
byte value = bitmapData.ByteAt(bitmapIndex);
if (charX == 0)
{
value &= 0x3f;
value |= (byte)(colorValue << 6);
}
else if (charX == 1)
{
value &= 0xcf;
value |= (byte)(colorValue << 4);
}
else if (charX == 2)
{
value &= 0xf3;
value |= (byte)(colorValue << 2);
}
else
{
value &= 0xfc;
value |= colorValue;
}
bitmapData.SetU8At(bitmapIndex, value);
}
}
}
}
}
}
/*
* Debug.Log( "Used patterns:" );
* foreach ( var entry in usedPatterns )
* {
* Debug.Log( "Index " + entry.Key );
* foreach ( var pattern in entry.Value )
* {
* Debug.Log( " used " + pattern );
* }
* }*/
return(numErrors);
}
public bool ReadFromBuffer(GR.Memory.ByteBuffer ProjectFile)
{
ColorMapping.Clear();
for (int i = 0; i < 16; ++i)
{
ColorMapping.Add(i, new List <ColorMappingTarget> {
ColorMappingTarget.ANY
});
}
Colors.Palettes.Clear();
GR.IO.MemoryReader memReader = new GR.IO.MemoryReader(ProjectFile);
GR.IO.FileChunk chunk = new GR.IO.FileChunk();
while (chunk.ReadFromStream(memReader))
{
GR.IO.MemoryReader chunkReader = chunk.MemoryReader();
switch (chunk.Type)
{
case FileChunkConstants.GRAPHIC_SCREEN_INFO:
SelectedCheckType = (CheckType)chunkReader.ReadUInt32();
ScreenOffsetX = chunkReader.ReadInt32();
ScreenOffsetY = chunkReader.ReadInt32();
ScreenWidth = chunkReader.ReadInt32();
ScreenHeight = chunkReader.ReadInt32();
if ((ScreenWidth == 0) ||
(ScreenHeight == 0))
{
ScreenWidth = 320;
ScreenHeight = 200;
}
break;
case FileChunkConstants.GRAPHIC_COLOR_MAPPING:
{
ColorMapping.Clear();
int numEntries = chunkReader.ReadInt32();
for (int i = 0; i < numEntries; ++i)
{
ColorMapping.Add(i, new List <ColorMappingTarget>());
int numMappings = chunkReader.ReadInt32();
for (int j = 0; j < numMappings; ++j)
{
ColorMappingTarget mappingTarget = (ColorMappingTarget)chunkReader.ReadUInt8();
ColorMapping[i].Add(mappingTarget);
}
}
}
break;
case FileChunkConstants.GRAPHIC_DATA:
{
int width = chunkReader.ReadInt32();
int height = chunkReader.ReadInt32();
GR.Drawing.PixelFormat format = (GR.Drawing.PixelFormat)chunkReader.ReadInt32();
int paletteCount = chunkReader.ReadInt32();
Image.Create(width, height, format);
for (int i = 0; i < paletteCount; ++i)
{
byte r = chunkReader.ReadUInt8();
byte g = chunkReader.ReadUInt8();
byte b = chunkReader.ReadUInt8();
Image.SetPaletteColor(i, r, g, b);
}
uint dataSize = chunkReader.ReadUInt32();
GR.Memory.ByteBuffer imageData = new GR.Memory.ByteBuffer();
chunkReader.ReadBlock(imageData, dataSize);
Image.SetData(imageData);
}
break;
case FileChunkConstants.MULTICOLOR_DATA:
MultiColor = (chunkReader.ReadUInt8() == 1);
Colors.BackgroundColor = chunkReader.ReadUInt8();
Colors.MultiColor1 = chunkReader.ReadUInt8();
Colors.MultiColor2 = chunkReader.ReadUInt8();
Colors.ActivePalette = chunkReader.ReadInt32();
if ((Colors.MultiColor1 < 0) ||
(Colors.MultiColor1 >= 16))
{
Colors.MultiColor1 = 0;
}
if ((Colors.MultiColor2 < 0) ||
(Colors.MultiColor2 >= 16))
{
Colors.MultiColor2 = 0;
}
break;
case FileChunkConstants.PALETTE:
Colors.Palettes.Add(Palette.Read(chunkReader));
break;
}
}
memReader.Close();
if (Colors.Palettes.Count == 0)
{
Colors.Palettes.Add(PaletteManager.PaletteFromMachine(MachineType.C64));
}
return(true);
}