public bool LoadXML_palette256(XmlNode xnode)
{
short nColors = 0;
foreach (XmlNode xn in xnode.ChildNodes)
{
if (xn.Name == "color")
{
string strRGB = XMLUtils.GetXMLAttribute(xn, "rgb");
int nRGB;
if (!Palette.ParseRGBColorValue(strRGB, out nRGB))
{
m_doc.ErrorString("Unable to parse color value '{0}' in palette '{1}'.", strRGB, Name);
return(false);
}
Color c = Color555.CalcColor(nRGB);
if (nColors < 256)
{
m_mapId2Color.Add(nColors, c);
}
nColors++;
}
}
if (nColors != 256)
{
m_doc.ErrorString("Incorrect number of colors in background image palette");
return(false);
}
return(true);
}
/// <summary>
/// Export the image as an array of direct 16-bit color values.
/// </summary>
/// <param name="tw"></param>
public void Export_BgImageData_Direct(System.IO.TextWriter tw)
{
StringBuilder sb = null;
int nPerLine = 32;
for (int iy = 0; iy < m_height; iy++)
{
tw.WriteLine("\t// Row {0}", iy);
for (int ix = 0; ix < m_width; ix++)
{
if ((ix % nPerLine) == 0)
{
if (sb != null)
{
tw.WriteLine(sb.ToString());
}
sb = new StringBuilder("\t");
}
short palette_index = m_ImageData[ix, iy];
Color c = m_mapId2Color[palette_index];
int encoded = Color555.Encode(c);
sb.Append(String.Format("0x{0:x4},", encoded));
}
if (sb != null)
{
tw.WriteLine(sb.ToString());
}
sb = null;
}
}
/// <summary>
/// Import a single color into the palette.
/// </summary>
/// <param name="nIndex"></param>
/// <param name="color"></param>
public void ImportColor(int nIndex, int color)
{
int cRed, cGreen, cBlue;
Color555.ExtractColors(color, out cRed, out cGreen, out cBlue);
UpdateColor(nIndex, cRed, cGreen, cBlue);
}
public void UpdateColor(int nIndex, int cRed, int cGreen, int cBlue)
{
m_data.cRed[nIndex] = cRed;
m_data.cGreen[nIndex] = cGreen;
m_data.cBlue[nIndex] = cBlue;
if (m_Brush[nIndex] != null)
{
m_Brush[nIndex].Dispose();
}
m_Brush[nIndex] = new SolidBrush(Color555.CalcColor(cRed, cGreen, cBlue));
}
public static bool ParseRGBColorValue(string strRGB, out int nRGB)
{
Regex rxRGB = new Regex(@"([0-1][0-9A-Fa-f])([0-1][0-9A-Fa-f])([0-1][0-9A-Fa-f])");
Match mxRGB = rxRGB.Match(strRGB);
nRGB = 0;
if (!mxRGB.Success)
{
return(false);
}
GroupCollection matchGroups = mxRGB.Groups;
int r = Convert.ToInt32(matchGroups[1].Value, 16);
int g = Convert.ToInt32(matchGroups[2].Value, 16);
int b = Convert.ToInt32(matchGroups[3].Value, 16);
nRGB = Color555.Encode(r, g, b);
return(true);
}
/// <summary>
/// Export the 256-color palette for this image.
/// </summary>
/// <param name="tw"></param>
public void Export_BgImagePaletteData(System.IO.TextWriter tw)
{
StringBuilder sb = null;
int nPerLine = 8;
for (short i = 0; i < 256; i++)
{
if ((i % nPerLine) == 0)
{
if (sb != null)
{
tw.WriteLine(sb.ToString());
}
sb = new StringBuilder("\t");
}
sb.Append(String.Format("0x{0:x4},", Color555.Encode(m_mapId2Color[i])));
}
if (sb != null)
{
tw.WriteLine(sb.ToString());
}
}
/// <summary>
/// Does this UndoAction change the color of one of the palette entries?
/// </summary>
/// <param name="nColorIndex"></param>
/// <returns></returns>
public bool IsColorChange(out int nColorIndex, out int nColorValue1, out int nColorValue2)
{
nColorIndex = -1;
nColorValue1 = 0;
nColorValue2 = 0;
int nColors = m_before.numColors;
for (int i = 0; i < nColors; i++)
{
// Note: this assumes that there is only 1 color change in an UndoAction
if (m_before.cRed[i] != m_after.cRed[i] ||
m_before.cGreen[i] != m_after.cGreen[i] ||
m_before.cBlue[i] != m_after.cBlue[i]
)
{
nColorIndex = i;
nColorValue1 = Color555.Encode(m_before.cRed[i], m_before.cGreen[i], m_before.cBlue[i]);
nColorValue2 = Color555.Encode(m_after.cRed[i], m_after.cGreen[i], m_after.cBlue[i]);
}
}
return(nColorIndex != -1);
}
public void Save(System.IO.TextWriter tw)
{
tw.Write("\t\t<bgimage_pal8");
tw.Write(String.Format(" name=\"{0}\"", Name));
tw.Write(String.Format(" id=\"{0}\"", ExportId));
tw.Write(String.Format(" desc=\"{0}\"", Description));
tw.Write(" size=\"{0}x{1}\"", m_width, m_height);
tw.WriteLine(">");
tw.Write("\t\t\t<palette256");
tw.Write(String.Format(" name=\"{0}\"", Name));
tw.Write(String.Format(" id=\"{0}\"", ExportId));
tw.WriteLine(">");
int nPerLine = 8;
string strIndent = "\t\t\t\t";
StringBuilder sb = null;
for (short i = 0; i < 256; i++)
{
if ((i % nPerLine) == 0)
{
if (sb != null)
{
tw.WriteLine(sb.ToString());
}
sb = new StringBuilder(strIndent);
}
Color c = m_mapId2Color[i];
int r, g, b;
Color555.ExtractColors(c, out r, out g, out b);
sb.Append(String.Format("<color rgb=\"{0:x2}{1:x2}{2:x2}\"/>", r, g, b));
}
if (sb != null)
{
tw.WriteLine(sb.ToString());
}
tw.WriteLine("\t\t\t</palette256>");
tw.Write("\t\t\t<bgimagedata");
tw.Write(String.Format(" id=\"{0}\"", m_id));
tw.WriteLine(">");
for (int iy = 0; iy < m_height; iy++)
{
sb = new StringBuilder(strIndent);
sb.Append("<bgimagerow>");
for (int ix = 0; ix < m_width - 1; ix++)
{
sb.Append(String.Format("{0:x2},", m_ImageData[ix, iy]));
}
sb.Append(String.Format("{0:x2}", m_ImageData[m_width - 1, iy]));
sb.Append("</bgimagerow>");
tw.WriteLine(sb.ToString());
}
tw.WriteLine("\t\t\t</bgimagedata>");
tw.WriteLine("\t\t</bgimage_pal8>");
}
/// <summary>
/// Return the 16-bit encoding for the specified palette index.
/// </summary>
/// <param name="nIndex">The index of the palette entry</param>
/// <returns>The encoding for the specified palette entry</returns>
public int Encoding(int nIndex)
{
return(Color555.Encode(cRed[nIndex], cGreen[nIndex], cBlue[nIndex]));
}
