public Register(BinaryReader stream, PAL palette)
{
int graphId = stream.ReadInt32();
stream.BaseStream.Position += sizeof(int); // Skip register size.
string description = stream.ReadBytes(MAP.DESCRIPTION_LENGTH).ToASCIIString();
this.filename = stream.ReadBytes(FILENAME_LENGTH).ToASCIIString();
int width = stream.ReadInt32();
int height = stream.ReadInt32();
this.map = new MAP(palette, (short)width, (short)height, graphId, description);
int count = stream.ReadInt32(); // Control Points counter.
for (int i = 0; i < count; i++)
{
var point = new ControlPoint(stream);
if (point.x < 0 || point.y < 0)
{
// If the control point has values under zero (x:-1, y:-1) means that this point has not defined values in DIV Games Studio MAP editor.
// DIV Games Studio read this values but when used for drawing a MAP this values are the MAP center coordintates.
point.x = (short)(width / 2);
point.y = (short)(height / 2);
}
this.map.ControlPoints.Add(point);
}
this.map.SetBitmapArray(stream.ReadBytes(width * height));
}
/// <summary>
/// Loads a <see cref="FPG"/> file.
/// </summary>
/// <param name="buffer"><see cref="byte"/> array that contain the <see cref="FPG"/> file data to load.</param>
public FPG(byte[] buffer)
: this()
{
try
{
using (var stream = new BinaryReader(new MemoryStream(buffer)))
{
if (FPG_FILE_HEADER.Validate(stream.ReadBytes(DIVFileHeader.SIZE)))
{
this.Palette = new PAL(new ColorPalette(stream.ReadBytes(ColorPalette.SIZE)),
new ColorRangeTable(stream.ReadBytes(ColorRangeTable.SIZE)));
while (stream.BaseStream.Position < stream.BaseStream.Length)
{
this._registers.Add(new Register(stream, this.Palette));
}
this._registers.Sort(this.OrderByAsc);
}
else
{
throw new DIVFormatHeaderException();
}
}
}
catch (Exception ex)
{
throw new DIVFileFormatException <FPG>(ex);
}
}
/// <summary>
/// Creates new <see cref="PAL"/> instance from a supported image file.
/// </summary>
/// <param name="buffer">Memory buffer that contains a supported image file.</param>
/// <param name="sortColors">Sort colors of the imported palette. By default is <see langword="false"/>.</param>
/// <returns>Returns a new <see cref="PAL"/> instance.</returns>
/// <remarks>Supported image formats are JPEG, PNG, BMP, GIF and TGA.
/// Also supported 256 color PCX images, <see cref="MAP"/> and <see cref="FPG"/> files.</remarks>
public static PAL FromImage(byte[] buffer, bool sortColors = false)
{
PAL pal = PaletteProcessor.ProcessPalette(buffer);
if (sortColors)
{
pal.Sort();
}
return(pal);
}
/// <summary>
/// Creates a new <see cref="FPG"/> instance.
/// </summary>
/// <param name="palette">The <see cref="PAL"/> instance used in this <see cref="FPG"/> instance.</param>
public FPG(PAL palette)
: this()
{
this.Palette = palette;
}