Struct PdfNativeBackend 

pub struct PdfNativeBackend { /* private fields */ }

A rendering backend that produces PDF documents with native vector operations.

Text is rendered using an embedded TrueType font, shapes are drawn as PDF paths with Bézier curves, and barcodes are composed of filled rectangles. Bitmap data (graphic fields, custom images) is embedded as compressed XObject image streams.

Implementations

impl PdfNativeBackend

pub fn new() -> Self

Creates a new PdfNativeBackend with default settings.

pub fn with_compression(self, compression: Compression) -> Self

Sets the zlib compression level for the PDF output (builder pattern).

pub fn with_title(self, title: impl Into<String>) -> Self

Sets the document title written to the PDF Info dictionary (builder pattern).

Trait Implementations

impl Default for PdfNativeBackend

fn default() -> Self

Returns the “default value” for a type.

impl ZplForgeBackend for PdfNativeBackend

fn setup_page(&mut self, width: f64, height: f64, resolution: f32)

Initializes the rendering surface with the specified dimensions.

fn setup_font_manager(&mut self, font_manager: &FontManager)

Configures the font manager used for text rendering.

fn new_page(&mut self) -> ZplResult<()>

Starts a new page, called between consecutive ^XA...^XZ blocks.

fn draw_text( &mut self, x: u32, y: u32, font: char, height: Option<u32>, width: Option<u32>, orientation: char, text: &str, reverse_print: bool, color: Option<String>, ) -> ZplResult<()>

Renders a single line of text.

fn draw_graphic_box( &mut self, x: u32, y: u32, width: u32, height: u32, thickness: u32, color: char, custom_color: Option<String>, rounding: u32, reverse_print: bool, ) -> ZplResult<()>

Draws a rectangular box.

fn draw_graphic_circle( &mut self, x: u32, y: u32, radius: u32, thickness: u32, _color: char, custom_color: Option<String>, reverse_print: bool, ) -> ZplResult<()>

Draws a circle.

fn draw_graphic_ellipse( &mut self, x: u32, y: u32, width: u32, height: u32, thickness: u32, _color: char, custom_color: Option<String>, reverse_print: bool, ) -> ZplResult<()>

Draws an ellipse.

fn draw_graphic_field( &mut self, x: u32, y: u32, width: u32, height: u32, data: &[u8], reverse_print: bool, ) -> ZplResult<()>

Renders a raw graphic field (bitmap data).

fn draw_graphic_image_custom( &mut self, x: u32, y: u32, width: u32, height: u32, data: &str, ) -> ZplResult<()>

Renders a custom color image from base64 data.

fn draw_code128( &mut self, x: u32, y: u32, orientation: char, height: u32, module_width: u32, interpretation_line: char, interpretation_line_above: char, _check_digit: char, _mode: char, data: &str, reverse_print: bool, ) -> ZplResult<()>

Draws a Code 128 barcode.

fn draw_qr_code( &mut self, x: u32, y: u32, orientation: char, _model: u32, magnification: u32, error_correction: char, _mask: u32, data: &str, reverse_print: bool, ) -> ZplResult<()>

Draws a QR Code.

fn draw_datamatrix( &mut self, x: u32, y: u32, orientation: char, module_size: u32, data: &str, reverse_print: bool, ) -> ZplResult<()>

Draws a Data Matrix (ECC 200) barcode.

fn draw_pdf417( &mut self, x: u32, y: u32, orientation: char, row_height: u32, module_width: u32, security_level: u32, data: &str, reverse_print: bool, ) -> ZplResult<()>

Draws a PDF417 barcode.

fn draw_code39( &mut self, x: u32, y: u32, orientation: char, _check_digit: char, height: u32, module_width: u32, interpretation_line: char, interpretation_line_above: char, data: &str, reverse_print: bool, ) -> ZplResult<()>

Draws a Code 39 barcode.

fn draw_barcode_1d( &mut self, kind: Barcode1DKind, x: u32, y: u32, orientation: char, height: u32, module_width: u32, interpretation_line: char, interpretation_line_above: char, data: &str, reverse_print: bool, ) -> ZplResult<()>

Draws a generic 1-D barcode (EAN-13, UPC-A, Interleaved 2 of 5, Code 93).

fn draw_graphic_diagonal( &mut self, x: u32, y: u32, width: u32, height: u32, thickness: u32, color: char, custom_color: Option<String>, diagonal_orientation: char, reverse_print: bool, ) -> ZplResult<()>

Draws a diagonal line (^GD). diagonal_orientation is ‘R’ (/) or ‘L’ (\).

fn finalize(&mut self) -> ZplResult<Vec<u8>>

Finalizes the rendering process and returns the resulting data.