HotPDF component help

Use this reference to find the main component classes, page drawing API, security options, image and compression support, and working Pascal examples directly in the web help.

150+

API, example, image, compression, and viewer preference topics are available as standalone web pages.

Core Component

Create documents, configure output, manage metadata, protect files, and finalize generated PDFs.

THotPDF class

Page Drawing

Draw text, paths, curves, images, metafiles, annotations, and barcode output on the active page.

THPDFPage class

Compression

Understand FlateDecode, LZW, JBIG2, JPEG, JPEG2000, and bundled native compression paths.

Compression overview

Viewer Preferences

Control initial display, print preferences, page layout, page mode, and related PDF viewer settings.

ViewerPreferences reference

Pascal Examples

Open runnable examples for document creation, drawing, encryption, font embedding, paragraphs, and outlines.

Example topics