render

Apr 19, 2026

Changes in this version

+ var ErrInvalidPage = errors.New("invalid page number")

+ var ErrPDFNotLoaded = errors.New("PDF not loaded")

+ var ErrRenderFailed = errors.New("failed to render page")

+ var ErrRendererNotInitialized = errors.New("renderer not initialized")

+ func ClosePdfiumPool()

+ type NewRendererOptions struct

+ PoolSize int

+ func DefaultRendererOptions() *NewRendererOptions

+ type PageRenderer interface

+ Close func() error

+ PageCount func() int

+ PageSize func(pageIndex int) (width, height float64, err error)

+ RenderPage func(pageIndex int, dpi float64) (image.Image, error)

+ func DefaultRendererFactory(pdfPath string) (PageRenderer, error)

+ type PdfiumRenderer struct

+ func NewPdfiumRenderer(pdfPath string, config *RenderConfig) (*PdfiumRenderer, error)

+ func (r *PdfiumRenderer) Close() error

+ func (r *PdfiumRenderer) PageCount() int

+ func (r *PdfiumRenderer) PageSize(pageIndex int) (width, height float64, err error)

+ func (r *PdfiumRenderer) RenderPage(pageIndex int, dpi float64) (image.Image, error)

+ type RenderConfig struct

+ BackgroundColor [3]uint8

+ DPI float64

+ MaxDimension int

+ func DefaultRenderConfig() *RenderConfig

+ func RenderConfigForONNX() *RenderConfig

+ type RendererFactory func(pdfPath string) (PageRenderer, error)

+ func RendererFactoryWithConfig(config *RenderConfig) RendererFactory