public Bitmap GetBitmap(Palette_18Bit basePalette, HousePaletteFile housePalette, bool includeFrame, bool makeTransparent, int houseIndex)
{
if (PaletteType == PaletteType.EMPTY_ENTRY)
{
// at least draw something so it does not error out.
Bitmap empty = new Bitmap(1, 1);
empty.MakeTransparent();
return(empty);
}
Bitmap bmp = new Bitmap(ImageWidth, ImageHeight);
if (BitsPerPixel == 8)
{
IPalette pal = (PaletteHandle == 0) ? (IPalette)basePalette.Clone() : Palette.Clone();
if (houseIndex != -1)
{
pal = housePalette.Merge(pal, houseIndex);
}
for (int x = 0; x < ImageWidth; x++)
{
for (int y = 0; y < ImageHeight; y++)
{
int pos = x + y * ImageWidth;
byte data8 = ImageData[pos];
if (makeTransparent && data8 == 0)
{
bmp.SetPixel(x, y, Color.Transparent);
}
else if (makeTransparent && data8 == 1)
{
bmp.SetPixel(x, y, Color.FromArgb(128, 0, 0, 0));
}
else
{
bmp.SetPixel(x, y, pal.Get(data8));
}
}
}
}
else if (BitsPerPixel == 16)
{
// doesn't care about palettes, as its image data is direct color
for (int x = 0; x < ImageWidth; x++)
{
for (int y = 0; y < ImageHeight; y++)
{
int pos = (x + y * ImageWidth) * 2;
ushort data16 = BitConverter.ToUInt16(ImageData, pos);
bmp.SetPixel(x, y, Palette_15Bit.ConvertColor(data16));
}
}
}
else
{
throw new InvalidDataException("Unexpected bits per pixel! (Value = {0})".F(BitsPerPixel));
}
if (makeTransparent)
{
bmp.MakeTransparent(Palette.Get(0));
}
if (includeFrame)
{
Bitmap bmpFrame = new Bitmap(FrameWidth, FrameHeight);
bmpFrame.MakeTransparent();
Graphics g = Graphics.FromImage(bmpFrame);
g.DrawImageUnscaled(bmp, new Point((FrameWidth - ImageWidth) / 2, (FrameHeight - ImageHeight) / 2));
return(bmpFrame);
}
else
{
return(bmp);
}
}
public void Read(BinaryReader reader, ref Palette_15Bit currentPalette)
{
FirstByte = reader.ReadByte();
if (FirstByte == 0)
{
// no data. All else is irrelevant. The whole resource is 1 byte of zero.
return;
}
ImageWidth = reader.ReadInt32();
ImageHeight = reader.ReadInt32();
ImageOffsetX = reader.ReadInt32();
ImageOffsetY = reader.ReadInt32();
ImageHandle = reader.ReadInt32();
PaletteHandle = reader.ReadInt32();
BitsPerPixel = reader.ReadByte();
FrameHeight = reader.ReadByte(); // height comes before width. Why?
FrameWidth = reader.ReadByte();
Alignment = reader.ReadByte();
// insanity
if (ImageWidth < 0)
{
throw new InvalidDataException("Unexpected negative number for image width! (Value = {0})".F(ImageWidth));
}
if (ImageHeight < 0)
{
throw new InvalidDataException("Unexpected negative number for image height! (Value = {0})".F(ImageHeight));
}
if (FrameWidth < 0)
{
throw new InvalidDataException("Unexpected negative number for frame width! (Value = {0})".F(FrameWidth));
}
if (FrameHeight < 0)
{
throw new InvalidDataException("Unexpected negative number for frame height! (Value = {0})".F(FrameHeight));
}
int pixels = ImageWidth * ImageHeight;
if (BitsPerPixel == 8)
{
ImageData = reader.ReadBytes(pixels);
}
else if (BitsPerPixel == 16)
{
ImageData = reader.ReadBytes(pixels * 2);
}
else
{
// pixelated insanity
throw new InvalidDataException("Unexpected bits per pixel! (Value = {0})".F(BitsPerPixel));
}
if (PaletteHandle == 0)
{
}
if (PaletteHandle != 0)
{
if (BitsPerPixel == 8)
{
switch (PaletteType)
{
case PaletteType.EMBEDDED_PALETTE:
Memory = reader.ReadInt32();
PaletteHandle2 = reader.ReadInt32();
currentPalette.Read(reader);
break;
case PaletteType.REFERENCED_PALETTE:
break;
}
}
Palette = currentPalette.Clone();
}
}
