public void ImportImageDataAs15Bit(Bitmap bitmap)
{
if (bitmap == null)
{
return;
}
BitsPerPixel = 16;
FirstByte = 1;
ImageWidth = bitmap.Width;
ImageHeight = bitmap.Height;
ImageOffset = default;
FrameWidth = (byte)bitmap.Width;
FrameHeight = (byte)bitmap.Height;
ImageHandle = 1;
PaletteHandle = 1;
Memory = 1;
PaletteHandle2 = 1;
ImageData = new byte[bitmap.Width * bitmap.Height * 2];
for (int x = 0; x < ImageWidth; x++)
{
for (int y = 0; y < ImageHeight; y++)
{
Color pixel = bitmap.GetPixel(x, y);
ushort data16 = Palette_15Bit.ConvertColor(pixel);
int pos = (x + y * ImageWidth) * 2;
byte[] b = BitConverter.GetBytes(data16);
ImageData[pos] = b[0];
ImageData[pos + 1] = b[1];
}
}
}
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);
}
}
