C++ DisplayModel::GetRotation方法代码示例

void StressTest::OnTimer(int timerIdGot)
{
    CrashIf(timerId != timerIdGot);
    KillTimer(win->hwndFrame, timerId);
    if (!win->IsDocLoaded()) {
        if (!GoToNextFile()) {
            Finished(true);
            return;
        }
        TickTimer();
        return;
    }

    // chm documents aren't rendered and we block until we show them
    // so we can assume previous page has been shown and go to next page
    if (!win->AsFixed()) {
        if (!GoToNextPage())
            return;
        goto Next;
    }

    // For non-image files, we detect if a page was rendered by checking the cache
    // (but we don't wait more than 3 seconds).
    // Image files are always fully rendered in WM_PAINT, so we know the page
    // has already been rendered.
    DisplayModel *dm = win->AsFixed();
    bool didRender = gRenderCache.Exists(dm, currPage, dm->GetRotation());
    if (!didRender && dm->ShouldCacheRendering(currPage)) {
        double timeInMs = currPageRenderTime.GetTimeInMs();
        if (timeInMs > 3.0 * 1000) {
            if (!GoToNextPage())
                return;
        }
    }
    else if (!GoToNextPage()) {
        return;
    }
    MakeRandomSelection(win, currPage);

Next:
    TickTimer();
}

void CopySelectionToClipboard(WindowInfo* win) {
    if (!win->currentTab || !win->currentTab->selectionOnPage)
        return;
    CrashIf(win->currentTab->selectionOnPage->size() == 0 && win->mouseAction != MouseAction::SelectingText);
    if (win->currentTab->selectionOnPage->size() == 0)
        return;
    CrashIf(!win->AsFixed());
    if (!win->AsFixed())
        return;

    if (!OpenClipboard(nullptr))
        return;
    EmptyClipboard();

    DisplayModel* dm = win->AsFixed();
#ifndef DISABLE_DOCUMENT_RESTRICTIONS
    if (!dm->GetEngine()->AllowsCopyingText())
        win->ShowNotification(_TR("Copying text was denied (copying as image only)"));
    else
#endif
        if (!dm->GetEngine()->IsImageCollection()) {
        AutoFreeW selText;
        bool isTextSelection = dm->textSelection->result.len > 0;
        if (isTextSelection) {
            selText.Set(dm->textSelection->ExtractText(L"\r\n"));
        } else {
            WStrVec selections;
            for (SelectionOnPage& sel : *win->currentTab->selectionOnPage) {
                WCHAR* text = dm->GetTextInRegion(sel.pageNo, sel.rect);
                if (text)
                    selections.Push(text);
            }
            selText.Set(selections.Join());
        }

        // don't copy empty text
        if (!str::IsEmpty(selText.Get()))
            CopyTextToClipboard(selText, true);

        if (isTextSelection) {
            // don't also copy the first line of a text selection as an image
            CloseClipboard();
            return;
        }
    }

    /* also copy a screenshot of the current selection to the clipboard */
    SelectionOnPage* selOnPage = &win->currentTab->selectionOnPage->at(0);
    RenderedBitmap* bmp = dm->GetEngine()->RenderBitmap(selOnPage->pageNo, dm->GetZoomReal(), dm->GetRotation(),
                                                        &selOnPage->rect, RenderTarget::Export);
    if (bmp)
        CopyImageToClipboard(bmp->GetBitmap(), true);
    delete bmp;

    CloseClipboard();
}

//.........这里部分代码省略.........
    pd.nMaxPageRanges = MAXPAGERANGES;
    PRINTPAGERANGE *ppr = AllocArray<PRINTPAGERANGE>(MAXPAGERANGES);
    pd.lpPageRanges = ppr;
    ppr->nFromPage = 1;
    ppr->nToPage = dm->PageCount();
    pd.nMinPage = 1;
    pd.nMaxPage = dm->PageCount();
    pd.nStartPage = START_PAGE_GENERAL;

    Print_Advanced_Data advanced(PrintRangeAll, defaultScaleAdv, defaultAsImage);
    ScopedMem<DLGTEMPLATE> dlgTemplate; // needed for RTL languages
    HPROPSHEETPAGE hPsp = CreatePrintAdvancedPropSheet(&advanced, dlgTemplate);
    pd.lphPropertyPages = &hPsp;
    pd.nPropertyPages = 1;

    // restore remembered settings
    if (defaultDevMode) {
        DEVMODE *p = defaultDevMode.Get();
        pd.hDevMode = GlobalMemDup(p, p->dmSize + p->dmDriverExtra);
    }

    if (PrintDlgEx(&pd) != S_OK) {
        if (CommDlgExtendedError() != 0) {
            /* if PrintDlg was cancelled then
               CommDlgExtendedError is zero, otherwise it returns the
               error code, which we could look at here if we wanted.
               for now just warn the user that printing has stopped
               becasue of an error */
            MessageBoxWarning(win->hwndFrame, _TR("Couldn't initialize printer"), 
                              _TR("Printing problem."));
        }
        goto Exit;
    }

    if (pd.dwResultAction == PD_RESULT_PRINT || pd.dwResultAction == PD_RESULT_APPLY) {
        // remember settings for this process
        LPDEVMODE devMode = (LPDEVMODE)GlobalLock(pd.hDevMode);
        if (devMode) {
            defaultDevMode.Set((LPDEVMODE)memdup(devMode, devMode->dmSize + devMode->dmDriverExtra));
            GlobalUnlock(pd.hDevMode);
        }
        defaultScaleAdv = advanced.scale;
        defaultAsImage = advanced.asImage;
    }

    if (pd.dwResultAction != PD_RESULT_PRINT)
        goto Exit;

    if (pd.Flags & PD_CURRENTPAGE) {
        PRINTPAGERANGE pr = { dm->CurrentPageNo(), dm->CurrentPageNo() };
        ranges.Append(pr);
    } else if (win->selectionOnPage && (pd.Flags & PD_SELECTION)) {
        printSelection = true;
    } else if (!(pd.Flags & PD_PAGENUMS)) {
        PRINTPAGERANGE pr = { 1, dm->PageCount() };
        ranges.Append(pr);
    } else {
        assert(pd.nPageRanges > 0);
        for (DWORD i = 0; i < pd.nPageRanges; i++)
            ranges.Append(pd.lpPageRanges[i]);
    }

    LPDEVNAMES devNames = (LPDEVNAMES)GlobalLock(pd.hDevNames);
    LPDEVMODE devMode = (LPDEVMODE)GlobalLock(pd.hDevMode);
    if (devNames) {
        printerInfo.pDriverName = (LPWSTR)devNames + devNames->wDriverOffset;
        printerInfo.pPrinterName = (LPWSTR)devNames + devNames->wDeviceOffset;
        printerInfo.pPortName = (LPWSTR)devNames + devNames->wOutputOffset;
    }
    PrintData *data = new PrintData(dm->engine(), &printerInfo, devMode, ranges, advanced,
                                    dm->GetRotation(), printSelection ? win->selectionOnPage : NULL);
    if (devNames)
        GlobalUnlock(pd.hDevNames);
    if (devMode)
        GlobalUnlock(pd.hDevMode);

    // if a file is missing and the engine can't thus be cloned,
    // we print using the original engine on the main thread
    // so that the document can't be closed and the original engine
    // unexpectedly deleted
    // TODO: instead prevent closing the document so that printing
    // can still happen on a separate thread and be interruptible
    bool failedEngineClone = dm->engine() && !data->engine;
    if (failedEngineClone)
        data->engine = dm->engine();

    if (!waitForCompletion && !failedEngineClone)
        PrintToDeviceOnThread(win, data);
    else {
        PrintToDevice(*data);
        if (failedEngineClone)
            data->engine = NULL;
        delete data;
    }

Exit:
    free(ppr);
    GlobalFree(pd.hDevNames);
    GlobalFree(pd.hDevMode);
}