static int FormatWholeDoc(Doc& doc) {
int PAGE_DX = 640;
int PAGE_DY = 520;
PoolAllocator textAllocator;
HtmlFormatterArgs *formatterArgs = CreateFormatterArgsDoc(doc, PAGE_DX, PAGE_DY, &textAllocator);
HtmlFormatter *formatter = CreateFormatter(doc, formatterArgs);
int nPages = 0;
for (HtmlPage *pd = formatter->Next(); pd; pd = formatter->Next()) {
delete pd;
++nPages;
}
delete formatterArgs;
delete formatter;
return nPages;
}
// layout pages from a given reparse point (beginning if NULL)
// returns true if layout thread was cancelled
bool EbookFormattingThread::Format(int reparseIdx)
{
bool fromBeginning = (0 == reparseIdx);
//lf("Started laying out mobi, fromBeginning=%d", (int)fromBeginning);
int totalPageCount = 0;
Timer t(true);
formatterArgs->reparseIdx = reparseIdx;
HtmlFormatter *formatter = CreateFormatter(doc, formatterArgs);
int lastReparseIdx = reparseIdx;
for (HtmlPage *pd = formatter->Next(); pd; pd = formatter->Next()) {
CrashIf(pd->reparseIdx < lastReparseIdx);
lastReparseIdx = pd->reparseIdx;
if (WasCancelRequested()) {
lf("layout cancelled");
for (int i = 0; i < pageCount; i++) {
delete pages[i];
}
pageCount = 0;
delete pd;
// send a 'finished' message so that the thread object gets deleted
SendPagesIfNecessary(true, true, fromBeginning);
delete formatter;
return true;
}
pages[pageCount++] = pd;
++totalPageCount;
// we send first 5 pages one by one and the rest in batches to minimize user-visible
// latency but also not overload ui thread
SendPagesIfNecessary(totalPageCount < 5, false, fromBeginning);
CrashIf(pageCount >= dimof(pages));
}
// this is the last message only if we're laying out from the beginning
bool finished = fromBeginning;
SendPagesIfNecessary(true, finished, fromBeginning);
//lf("Laying out took %.2f ms", t.GetTimeInMs());
delete formatter;
return false;
}