EStatusCode Type1ToType2Converter::CallOtherSubr(const LongList& inOperandList,LongList& outPostScriptOperandStack)
{
// should get here onther for 0 othersubr, to mark flex segment end. implement it...and also insert a node
// for flex
LongList::const_reverse_iterator it = inOperandList.rbegin();
long otherSubrIndex = *it; // this should be 0
++it;
long argumentsCount = *it;
++it;
// the next argument should be the FD...place it in the parameters collection
long flexDepth = *it;
mFlexParameters.push_back(flexDepth);
// take care of the postscript operand stack
for(long i=0;i<argumentsCount;++i)
{
outPostScriptOperandStack.push_back(*it);
++it;
}
// now finalize flex, by placing a type 2 flex command
EStatusCode status = RecordOperatorWithParameters(0x0c23,mFlexParameters);
// cleanup flex mode
mFlexParameters.clear();
mInFlexCollectionMode = false;
return status;
}
EStatusCode Type1ToType2Converter::Type1Seac(const LongList& inOperandList)
{
// le'ts convert it already to the final EndChar...and stop any later recording
// note that type2 endchar implementation avoids sidebearing
LongList params;
LongList::const_iterator it = inOperandList.begin();
++it;
for(; it != inOperandList.end();++it)
params.push_back(*it);
return RecordOperatorWithParameters(14,params);
}
bool Object_content::Read(Environment &env,
Stream &stream, Image::Format format)
{
Signal &sig = env.GetSignal();
int cntIcons = 0;
do {
IconDir iconDir;
if (stream.Read(sig, &iconDir, IconDir::Size) < IconDir::Size) {
sig.SetError(ERR_FormatError, "invalid ICO format");
return false;
}
cntIcons = Gura_UnpackUShort(iconDir.idCount);
} while (0);
LongList imageOffsets;
for (int iIcon = 0; iIcon < cntIcons; iIcon++) {
IconDirEntry iconDirEntry;
if (stream.Read(sig, &iconDirEntry, IconDirEntry::Size) < IconDirEntry::Size) {
sig.SetError(ERR_FormatError, "invalid ICO format");
return false;
}
long imageOffset = Gura_UnpackLong(iconDirEntry.dwImageOffset);
imageOffsets.push_back(imageOffset);
}
foreach (LongList, pImageOffset, imageOffsets) {
long imageOffset = *pImageOffset;
if (!stream.Seek(sig, imageOffset, Stream::SeekSet)) return false;
Image::BitmapInfoHeader bih;
if (stream.Read(sig, &bih, Image::BitmapInfoHeader::Size) < Image::BitmapInfoHeader::Size) {
sig.SetError(ERR_FormatError, "invalid ICO format");
return false;
}
int biWidth = Gura_UnpackLong(bih.biWidth);
int biHeight = Gura_UnpackLong(bih.biHeight) / 2;
UShort biBitCount = Gura_UnpackUShort(bih.biBitCount);
AutoPtr<Image> pImage(new Image(format));
if (!pImage->ReadDIBPalette(env, stream, biBitCount)) return false;
if (!pImage->ReadDIB(sig, stream, biWidth, biHeight, biBitCount, true)) {
return false;
}
_valList.push_back(Value(new Object_image(env, pImage.release())));
}
