private void createIconResources(ResImageGroupData idata, byte[] iconbytes)
{
//now we've re-created the .ico file as a memory stream
//extract each icon from it by the icon dimensions from the data directory
MemoryStream ms = new MemoryStream(iconbytes);
ResData image = null;
for (int i = 0; i < idata.entries.Count; i++)
{
ResImageGroupDataEntry ientry = idata.entries[i];
ms.Position = 0;
Icon iconRes = new Icon(ms, (int)ientry.bWidth, (int)ientry.bHeight); //get the icon
ientry.image = iconRes; //link it to this res obj
foreach (ResData imagedata in iconItems)
{
if (imagedata.id == ientry.nID)
{
image = imagedata;
break;
}
}
//and add it to the ICON resource list as well
if (image != null)
{
addIcon(image.id, image.name, image.lang, iconRes);
getDataItem(icons, image.id, image.name).getItem(image.lang).dataBuf = image.data;
}
}
}
//- icon loading --------------------------------------------------------------
//we create an .ico file in memory for icon resources
private byte[] buildIconFile(ResImageGroupData idata)
{
//build .ico file header
byte[] hdrbytes = { 0, 0, 1, 0, 0, 0 };
hdrbytes[4] = (byte)(idata.entries.Count % 0x100);
hdrbytes[5] = (byte)(idata.entries.Count / 0x100);
//build .ico data directory
int datapos = 6 + (0x10 * idata.entries.Count);
byte[] dirbytes = new byte[0x10 * idata.entries.Count];
int dirpos = 0;
for (int i = 0; i < idata.entries.Count; i++)
{
ResImageGroupDataEntry ientry = idata.entries[i];
dirbytes[dirpos++] = (byte)ientry.bWidth;
dirbytes[dirpos++] = (byte)ientry.bHeight;
dirbytes[dirpos++] = (byte)ientry.bColorCount;
dirbytes[dirpos++] = 0;
dirbytes[dirpos++] = (byte)(ientry.wPlanes % 0x100);
dirbytes[dirpos++] = (byte)(ientry.wPlanes / 0x100);
dirbytes[dirpos++] = (byte)(ientry.wBitCount % 0x100);
dirbytes[dirpos++] = (byte)(ientry.wBitCount / 0x100);
byte[] sizebytes = BitConverter.GetBytes(ientry.dwBytesInRes);
Array.Copy(sizebytes, 0, dirbytes, dirpos, 4);
byte[] posbytes = BitConverter.GetBytes(datapos);
Array.Copy(posbytes, 0, dirbytes, dirpos + 4, 4);
dirpos += 8;
datapos += (int)ientry.dwBytesInRes;
}
byte[] iconbytes = new byte[datapos]; //total .ico data buf
Array.Copy(hdrbytes, 0, iconbytes, 0, 6);
Array.Copy(dirbytes, 0, iconbytes, 6, dirbytes.Length); //copy the .ico header to it
//append icon data for each icon in directory
datapos = 6 + (0x10 * idata.entries.Count);
ResData image = null;
for (int i = 0; i < idata.entries.Count; i++)
{
ResImageGroupDataEntry ientry = idata.entries[i];
foreach (ResData imagedata in iconItems) //find the matching icon data
{
if (imagedata.id == ientry.nID)
{
image = imagedata;
break;
}
}
if (image != null)
{
Array.Copy(image.data, 0, iconbytes, datapos, image.data.Length); //and add it to the data buf
datapos += image.data.Length;
}
}
return iconbytes;
}
public static ResImageGroupDataEntry parseData(BinaryIn src)
{
ResImageGroupDataEntry cgdata = new ResImageGroupDataEntry();
cgdata.bWidth = src.getOne();
cgdata.bHeight = src.getOne();
cgdata.bColorCount = src.getOne();
uint res = src.getOne();
cgdata.wPlanes = src.getTwo();
cgdata.wBitCount = src.getTwo();
cgdata.dwBytesInRes = src.getFour();
cgdata.nID = src.getTwo();
cgdata.image = null;
return cgdata;
}
public static ResImageGroupData parseData(byte[] resdata)
{
ResImageGroupData igdata = new ResImageGroupData();
BinaryIn src = new BinaryIn(resdata);
uint res = src.getTwo();
uint type = src.getTwo();
int count = (int)src.getTwo();
igdata.entries = new List<ResImageGroupDataEntry>(count);
for (int i = 0; i < count; i++)
{
ResImageGroupDataEntry igentry = ResImageGroupDataEntry.parseData(src);
igdata.entries.Add(igentry);
}
return igdata;
}
//- cursor loading ------------------------------------------------------------
//the C# Cursor class is limited for displaying as an image, so we use an Icon obj instead
//we create an .ico file in memory for cursor resources
private byte[] buildCursorFile(ResImageGroupData idata, int entrynum)
{
//build .ico file header
byte[] hdrbytes = { 0, 0, 1, 0, 1, 0 };
//build .ico data directory for a single cursor resource
int datapos = 0x16;
byte[] dirbytes = new byte[0x10];
int dirpos = 0;
ResImageGroupDataEntry ientry = idata.entries[entrynum];
dirbytes[dirpos++] = (byte)ientry.bWidth;
dirbytes[dirpos++] = (byte)ientry.bWidth; //square icon
dirbytes[dirpos++] = 2; //monochrome
dirbytes[dirpos++] = 0;
dirbytes[dirpos++] = 1;
dirbytes[dirpos++] = 0;
dirbytes[dirpos++] = 1;
dirbytes[dirpos++] = 0;
uint bsize = ientry.dwBytesInRes - 4;
byte[] sizebytes = BitConverter.GetBytes(bsize);
Array.Copy(sizebytes, 0, dirbytes, dirpos, 4);
byte[] posbytes = BitConverter.GetBytes(datapos);
Array.Copy(posbytes, 0, dirbytes, dirpos + 4, 4);
dirpos += 8;
datapos += (int)ientry.dwBytesInRes;
byte[] cursorbytes = new byte[datapos]; //total .cur data buf
Array.Copy(hdrbytes, 0, cursorbytes, 0, 6);
Array.Copy(dirbytes, 0, cursorbytes, 6, 0x10); //copy the .cur header to it
//append cursor data for each icon in directory
ResData image = null;
foreach (ResData imagedata in cursorItems) //find the matching cursor data
{
if (imagedata.id == ientry.nID)
{
image = imagedata;
break;
}
}
if (image != null)
{
Array.Copy(image.data, 4, cursorbytes, 0x16, image.data.Length - 4); //and add it to the data buf, skip the hotspot bytes
}
return cursorbytes;
}
private void createCursorResources(ResImageGroupData idata, byte[] cursorbytes, int entrynum)
{
//get the cursor image from the .ico file we've created in memory
MemoryStream ms = new MemoryStream(cursorbytes);
ms.Position = 0;
Icon curRes = new Icon(ms); //get the cursor
ResImageGroupDataEntry ientry = idata.entries[entrynum];
ientry.image = curRes; //link it to this res obj
ResData image = null;
foreach (ResData curdata in cursorItems)
{
if (curdata.id == ientry.nID)
{
image = curdata;
break;
}
}
//and add it to the CUSROR resource list as well
if (image != null)
{
addCursor(image.id, image.name, image.lang, curRes);
getDataItem(cursors, image.id, image.name).getItem(image.lang).dataBuf = image.data;
}
}