Struct PdfBackend 

pub struct PdfBackend { /* private fields */ }

A rendering backend that produces PDF documents.

This backend acts as a wrapper around PngBackend. It renders the ZPL commands into a high-resolution PNG image first, then embeds that image into a PDF document of the corresponding physical size.

Implementations

impl PdfBackend

pub fn new() -> Self

Creates a new PdfBackend instance.

Trait Implementations

impl Default for PdfBackend

fn default() -> Self

Returns the “default value” for a type.

impl ZplForgeBackend for PdfBackend

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

Renders a text field.

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: Vec<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: String, ) -> 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: String, 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: String, reverse_print: bool, ) -> ZplResult<()>

Draws a QR Code.

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: String, reverse_print: bool, ) -> ZplResult<()>

Draws a Code 39 barcode.

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

Finalizes the rendering process and returns the resulting data.