使用XPS打印驱动程序来扩展Windows打印功能.ppt

UsingXPSDrvPrintDriversToExtendWindowsPrintFunctionality FengYuanTechnicalLead DevelopmentDigitalDocumentsPlatformandSolutions Agenda FilterPipelineExtensibilityExtensibilityScenariosAdvancedColorConfigurationNotificationsSampleFilterWalkthroughs AssumesfamiliaritywithXPSDrvarchitectureandinterfaces FilterPipelineExtensibility ThefilterpipelineisdesignedformodularandextensibleIHV ISVimplementationsPrimaryextensibilitypointsGenericfiltersConfigurationDLLNewDrvDocumentEventseventsPrintTicketcontrolFilterservicepublishingNotificationCustomInterFilterCommunicators IFC ExtensibilityScenarioOverview Scenario AdvancedColor WindowsPhotoGalleryprintsWindowsMediaPhotoimagetoXPSDrvprintdriverfor8 colorinkjetphotoprinter Scenario AdvancedColor XPSDocumentssupporthighdynamicrange widegamutvectorandimagecontentUsingsystemservices filterscanprocessrichcolordatatobestmatchprintedoutputtouserintentanddevicecapabilitiesWindowsColorSystem WCS EnablesextensivecolorconversionWindowsImagingComponents WIC ImageformatsupportforWindowsMediaPhotoandotherXPSimageformatsPrintTicket Supportsanarrayofcolorprocessingkeywordstoenableconsistentandunambiguouscolorcontrolbetweenappanddevice Scenario AdvancedColor DataFlowWindowsPhotoGalleryallowsuserselectionofprintsettingsMXDWdriverencapsulatesWindowsMediaPhotoimageandprintsettings asPrintTicket inXPSDocumentFilterprocessXPSfile decoding transformingimage savingimagetoJPGformat AdvancedColorFilter ColorFilter MainMethod HRESULTCColorFilter StartOperation void HRESULThr SetupColorTransform L wsRGB cdmp CComPtrpUnk while SUCCEEDED hr m pProvider GetXpsPart ColorFilter SetupTransformation HPROFILEOpenColorProfile constWCHAR pszProfileName PROFILEprofile PROFILE FILENAME PVOID pszProfileName DWORD wcslen pszProfileName sizeof WCHAR returnWcsOpenColorProfile ColorFilter PageProcessing HRESULTCColorFilter ProcessFixedPage IFixedPage pFP HRESULThr S OK CComPtrpWriter if SUCCEEDED hr pFP GetWriteStream ColorFilter TransformImage HRESULTConvertWriteImage pStream imageUri pFixedPage HRESULThr S OK CComPtrpRead CComPtrpImagePart CComPtrpImageStream if SUCCEEDED hr pFixedPage GetPagePart imageUri Scenario Configuration Duringprinting XPSDrvconfigurationmoduleoptimizesPrintTicketsettingsandprovidesadditionalservicestoXPSDrvfilters Scenario Configuration TheXPSDrvarchitecturesupportstheabilitytocustomizetheconfigurationdataandofferadditionalconfigurationservicesDrvDocumentEvents Usingnewdocumentevents XPSDrvconfigurationmodulescanpre processPrintTicketsettingsentbyWindowsPresentationFoundation WPF applicationsFilterServices Theconfigurationmodulecanpublishhelperservicesforuseatprinttimebyfilters Scenario Configuration ExampleDataFlowUserprintsfromaWPFapplicationDocumentEventsareinterceptedbytheconfigurationmoduleandPrintTicketsareaddedormodifiedWhenfiltersareprocessingtheXPSfile thefilterqueriesaconfigurationservicetoassistinconstraintresolution ConfigurationArchitecture ConfigurationModule DOCEVENT FILTER p DOCEVENT FILTER pvOut switch iEsc caseDOCUMENTEVENT XPS QUERYFILTER if p cElementsAllocated 7 p aDocEventCall 0 DOCUMENTEVENT XPS ADDFIXEDDOCUMENTSEQUENCEPRINTTICKETPRE p aDocEventCall 1 DOCUMENTEVENT XPS ADDFIXEDDOCUMENTSEQUENCEPRINTTICKETPOST p cElementsReturned 7 else p cElementsNeeded 7 break caseDOCUMENTEVENT XPS ADDFIXEDDOCUMENTSEQUENCEPRINTTICKETPRE PrintPropertiesCollection pvOut ReplacePT PrintPropertiesCollection pvIn break caseDOCUMENTEVENT XPS ADDFIXEDDOCUMENTSEQUENCEPRINTTICKETPOST DeleteCollection PrintPropertiesCollection pvIn break ConfigurationFilter HRESULTSTDMETHODCALLTYPEStartOperation VOID HRESULThr CComPtrpPrintTicket while SUCCEEDED hr m pProvider GetXpsPart ConfigurationFilter HRESULTCConfigurationFilter AddPage IPartPrintTicket pPrintTicket CComPtrpNewPage CComPtrpNewPageMarkupStream CComPtrpNewFont CComPtrpNewFontStream m pConsumer GetNewEmptyPart L newpage xaml IID IFixedPage reinterpret cast ConfigurationFilter HRESULTAddTextToPage IPrintWriteStream pPageMarkupStream IPrintReadStream ptStream IPrintCoreHelperUni pPrintHelper constchar pFont CXpsWriterwriter pPageMarkupStream writer Write CPrintTicketSaxHandlersax writer pFont black CComPtrpSaxRdr pSaxRdr CoCreateInstance CLSID SAXXMLReader60 pSaxRdr putContentHandler Scenario Notifications Whileprocessingaprintjob afiltersendsasyncnotificationstoacustomstatusmonitor Scenario Notifications ThehierarchyofXPSDocumentsandthemodularnatureofXPSDrvfiltersfacilitateincrementalprocessthatcanbecommunicatedusingsystemservicesAsyncNotification TheWindowsVistaspoolerincludesanasyncnotificationengineforcommunicationandUImessagesXPSIFC ThestructurednatureoftheXPSDocumentandtheXPSInter filterCommunicatoridentifykeystepsindocumentprocessing Scenario Notifications ExampleDataFlowAsanXPSDocumentisrenderedinfilters renderingprogressiscommunicatedthroughnotificationeventsdispatchedbythefilter NotificationArchitecture NotificationFilter STDMETHODIMPXpsFilter InitializeFilter inIInterFilterCommunicator pIfc inIPrintPipelinePropertyBag pIPropertyBag inIPrintPipelineManagerControl pIPipelineControl VARIANTvar VariantInit NotificationFilter HRESULTXpsFilter ProcessFixedDoc invoid pVoid Tools SmartPtrpIFixedDocument pIFixedDocument Attach static cast pVoid HRESULThRes m pXpsConsumer SendFixedDocument pIFixedDocument if SUCCEEDED hRes m pProgressReport ReportProgress XpsJob FixedDocumentAdded returnhRes HRESULTXpsFilter ProcessFixedPage invoid pVoid Tools SmartPtrpIFixedPage pIFixedPage Attach static cast pVoid HRESULThRes m pXpsConsumer SendFixedPage pIFixedPage if SUCCEEDED hRes m pProgressReport ReportProgress XpsJob FixedPageAdded returnhRes CallToAction Testforcompatibilitynow TesttheGDIPrintPath XPSPrintPathandcompatibilitypathsReportproblemsimmediatelyPlanforXPSDrvsupportHost basedprintersPass throughXPSDrvdriversforXPS capabledevices directconsumption StartimplementationnowAimforWindowsVistalaunchavailability CallToAction UnderstandyourcompanylogogoalsandreviewnewlogorequirementsBasicandPremiumAtWinHECPracticedriverdevandtestingskillsinXPSPrintinghandsonlabsAsktheExpertsatlunchtodayVisittheMicrosoftPaviliontoseeXPSdemosReadXPSDrvPrintDriversandtheWindowsColorSystemonEnd to EndDigitalIm