CharMap::CharMap(const CharMap &other)
{
for (std::list<CodePage *>::const_iterator it = other.CBegin();
it != other.CEnd(); ++it) {
m_map.push_back(new CodePage(**it));
}
}
void BinaryDataGenerator::SaveCharmap(const CharMap &charmap, bool compress,
enum OutputFormat format, const wxString &filePath)
{
// Try opening the file for writing
wxFFileOutputStream file(filePath);
if (!file.IsOk()) {
wxLogError(_("Could not open the file for writing"));
return;
}
wxDataOutputStream out(file);
out.BigEndianOrdered(false);
out.UseBasicPrecisions();
int numCodePages = charmap.GetCountCodePages();
int headerSize = sizeof(wxUint32) + sizeof(wxInt16) + 2 * sizeof(wxUint8) + numCodePages * sizeof(wxUint32);
int codePageBaseSize = sizeof(wxUint32) * 2 + 16;
wxASSERT(numCodePages <= UINT8_MAX);
if(compress) wxLogDebug("Compression not supported yet");
// TODO: add compression
// Write header
wxUint32 magic = 'EMGF';
wxUint8 flags = format;
if (compress) flags |= FLAG_COMPRESSED;
int ascender = 0;
int ascenderDiv = 0;
out.Write32(magic);
file.SeekO(sizeof(wxInt16), wxFromCurrent);
out.Write8(flags);
out.Write8((wxUint8)numCodePages);
wxUint32 *codepagePtrs = new wxUint32[numCodePages];
wxUint32 **glyphPtrs = new wxUint32*[numCodePages];
// Write codepages
file.SeekO(headerSize);
std::list<CodePage *>::const_iterator it = charmap.CBegin();
for (int i = 0; i < numCodePages; i++) {
wxASSERT(it != charmap.CEnd());
codepagePtrs[i] = file.TellO();
out.Write32((*it)->GetRangeStart());
out.Write32((*it)->GetRangeEnd());
const wxString &name = (*it)->GetName();
for (unsigned int j = 0; j < 16; ++j) {
out.Write8(j < name.Length() ? name.ToAscii()[j] : '\0');
}
glyphPtrs[i] = new wxUint32[(*it)->GetSize()];
file.SeekO(sizeof(wxUint32) * (*it)->GetSize(), wxFromCurrent);
}
// Write glyphs
it = charmap.CBegin();
for (int i = 0; i < numCodePages; i++) {
wxASSERT(it != charmap.CEnd());
for (unsigned int j = 0; j < (*it)->GetSize(); j++) {
const CharMapEntry *entry = (*it)->GetCharMapEntry((*it)->GetRangeStart() + j);
if (entry == NULL) {
glyphPtrs[i][j] = 0;
continue;
}
LoadFont(entry->GetFamily(), entry->GetStyle(), entry->GetSize(), entry->GetEncodingID());
wxUint32 glyph;
if (!m_loadedFont.IsOk() || (glyph = m_loadedFont.GetGlyphIndex(entry->GetCode())) == 0)
{
wxLogWarning("Could not load glyph with code %u", (*it)->GetRangeStart() + j);
glyphPtrs[i][j] = 0;
continue;
}
wxPoint advance = m_loadedFont.GetGlyphAdvance(glyph);
wxPoint bitmapTL = m_loadedFont.GetGlyphBitmapTL(glyph);
int bitmapWidth, bitmapHeight;
int bitmapSize = m_loadedFont.GetGlyphBitmap(glyph, NULL, &bitmapWidth, &bitmapHeight);
if (bitmapSize < 0) {
wxLogWarning("Error while getting bitmap for glyph with code %u", (*it)->GetRangeStart() + j);
glyphPtrs[i][j] = 0;
continue;
}
wxUint8 *bitmap = new wxUint8[bitmapSize];
int result = m_loadedFont.GetGlyphBitmap(glyph, bitmap, &bitmapWidth, &bitmapHeight);
wxASSERT(result == bitmapSize);
bitmapSize = ConvertToFormat(bitmap, bitmapSize, format);
if (compress) {
CompressBitmap(&bitmap, &bitmapSize, bitmapWidth * bitmapHeight, format);
}
ascender += m_loadedFont.GetAscender();
ascenderDiv++;
glyphPtrs[i][j] = file.TellO();
out.Write16((wxInt16)advance.x);
out.Write16((wxInt16)advance.y);
out.Write16((wxInt16)bitmapTL.x);
out.Write16((wxInt16)bitmapTL.y);
out.Write16((wxUint16)bitmapWidth);
out.Write16((wxUint16)bitmapHeight);
out.Write32(bitmapSize);
file.Write(bitmap, bitmapSize & ~(1<<31));
delete[] bitmap;
}
}
// Write glyph pointers
it = charmap.CBegin();
for (int i = 0; i < numCodePages; i++) {
wxASSERT(it != charmap.CEnd());
file.SeekO(codepagePtrs[i] + codePageBaseSize);
for (unsigned int j = 0; j < (*it)->GetSize(); j++) {
out.Write32(glyphPtrs[i][j]);
}
delete[] glyphPtrs[i];
file.Sync();
}
delete[] glyphPtrs;
// Write codepage pointers
file.SeekO(headerSize - numCodePages * sizeof(wxUint32));
for (int i = 0; i < numCodePages; i++) {
out.Write32(codepagePtrs[i]);
}
delete[] codepagePtrs;
delete[] glyphPtrs;
// Write font wide parameters
file.SeekO(sizeof(wxUint32));
ascender = ascenderDiv > 0 ? ascender / ascenderDiv : 0;
wxASSERT(ascender >= INT16_MIN && ascender <= INT16_MAX);
out.Write16(ascender);
file.Close();
}
