public bool LoadXML_bgimages(XmlNode xnode)
{
foreach (XmlNode xn in xnode.ChildNodes)
{
switch (xn.Name)
{
case "bgimage_pal8":
string strName = XMLUtils.GetXMLAttribute(xn, "name");
int id = XMLUtils.GetXMLIntegerAttribute(xn, "id");
string strDesc = XMLUtils.GetXMLAttribute(xn, "desc");
string strSize = XMLUtils.GetXMLAttribute(xn, "size");
string[] aSize = strSize.Split('x');
int nWidth = XMLUtils.ParseInteger(aSize[0]);
int nHeight = XMLUtils.ParseInteger(aSize[1]);
if (m_bgimages.ContainsKey(id))
{
m_doc.ErrorString("A background image with id={0} already exists.", id);
return(false);
}
BgImage bgi = new BgImage(m_doc, strName, id, strDesc);
if (!bgi.LoadXML_bgimage_pal8(xn, nWidth, nHeight))
{
return(false);
}
m_bgimages.Add(id, bgi);
CurrentImage = bgi;
break;
}
}
return(true);
}
/// <summary>
/// Generate the GBA/NDS formatted data from the bitmap image.
/// </summary>
/// <returns>True if the data was successfully converted.</returns>
public bool LoadBitmap(Bitmap bm)
{
m_bm = bm;
m_width = bm.Width;
m_height = bm.Height;
// Gather the colors from the bitap.
m_mapColor2Id = new Dictionary <Color, short>();
m_mapId2Color = new Dictionary <short, Color>();
short nColorId = 0;
// Add the transparent color to the Id map at index 0.
m_mapId2Color.Add(nColorId++, Color.White);
for (int ix = 0; ix < m_width; ix++)
{
for (int iy = 0; iy < m_height; iy++)
{
Color c = bm.GetPixel(ix, iy);
if (c != Color.Transparent && !m_mapColor2Id.ContainsKey(c))
{
m_mapColor2Id.Add(c, nColorId);
m_mapId2Color.Add(nColorId, c);
nColorId++;
}
}
}
// At this point,
// nColorId = number of colors in image + 1 (for transparency color at index 0)
if (nColorId > 257)
{
m_doc.ErrorString("Too many colors {0} in image. Imported images are restricted to 255 colors (+1 transparency color)", nColorId);
return(false);
}
if (nColorId == 257)
{
// TODO: select transparency color
m_doc.ErrorString("Exactly 256 colors - please choose one of the colors to be the transparent 'color'");
return(false);
}
while (nColorId < 256)
{
// Pad out palette with enough colors.
m_mapId2Color.Add(nColorId++, Color.White);
}
m_ImageData = new byte[m_width, m_height];
for (int ix = 0; ix < m_width; ix++)
{
for (int iy = 0; iy < m_height; iy++)
{
Color c = m_bm.GetPixel(ix, iy);
if (c == Color.Transparent)
{
m_ImageData[ix, iy] = 0;
}
else
{
m_ImageData[ix, iy] = (byte)m_mapColor2Id[c];
}
}
}
m_mapColor2Id = null;
return(true);
}