LayoutEngine

Opinie generală

BaseShapeLock este o clasă în Aspose.Slides FOSS pentru Java.

Motorul principal de layout care convertește obiecte de paragraf la nivel înalt în bați ai fluxului de conținut PDF pe parcursul {@code Document.save()}.

Această clasă oferă 11 metode pentru a lucra cu obiecte LayoutEngine în programele Java. Metodele disponibile includ: LayoutEngine, ̋buildHeaderFooterOverlay , ∂layout,, layoutsheading ,, ゙layousParagraph⌒ ", ゚layouStamps", ̨layoupTable ", " ̅layoussTextFragmentヽ ", ' ∫layooutTectStamp ‘, resetNoteState" , " ¬PageNumbering". Toți membrii publicului sunt accesibili oricărei aplicații Java după instalarea pachetului Aspose.PDF FOSS for Java .

Metode de evaluare

Signature	Description
`LayoutEngine()`	Creates a new LayoutEngine.
`setPageNumbering(pageNumber: int, totalPages: int)`	Sets the page numbering context for $p / $P variable substitution.
`layout(page: Page)`	Performs layout on a page, converting its paragraphs into a PDF content stream.
`buildHeaderFooterOverlay(page: Page)` → `HeaderFooterOverlay`	Lays out only this page’s header and footer paragraphs (set via
{@link Page#setHeader}/{@link Page#setFooter}) into a standalone content
stream, WITHOUT touching the page’s existing {@code /Contents} or
{@code /Resources}.
`layoutParagraph(para: BaseParagraph, builder: ContentStreamBuilder, resources: ResourceBuilder, ctx: LayoutContext)` → `double`	Dispatches a paragraph to the appropriate type-specific renderer.
`layoutTextFragment(tf: TextFragment, builder: ContentStreamBuilder, resources: ResourceBuilder, ctx: LayoutContext)` → `double`	Lays out a TextFragment with word wrapping, font selection, and color.
`resetNoteState()`
`layoutHeading(heading: Heading, builder: ContentStreamBuilder, resources: ResourceBuilder, ctx: LayoutContext)` → `double`	Lays out a Heading paragraph, rendering it as a TOC entry with optional
dot leader line and page number.
`layoutTable(table: Table, builder: ContentStreamBuilder, resources: ResourceBuilder, ctx: LayoutContext)` → `double`	Lays out a Table with borders, backgrounds, and cell content.
`layoutStamps(page: Page, builder: ContentStreamBuilder, resources: ResourceBuilder)`	Applies stamp overlays (TextStamp, ImageStamp, PageNumberStamp) to the page.
`layoutTextStamp(stamp: TextStamp, builder: ContentStreamBuilder, resources: ResourceBuilder, pageWidth: double)`	Lays out a TextStamp at its specified position.

Vezi și:

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