Struct PsRenderBackend 

pub struct PsRenderBackend { /* private fields */ }

PostScript Level 2/3 rendering backend.

Emits PS operators instead of pixels. Transparency (opacity, blend modes) is not supported — this matches upstream cfx_psrenderer behavior for PS Level 2, which has no native transparency model.

Implementations

impl PsRenderBackend

pub fn new() -> Self

Create a backend that emits a standalone PS file with operator abbreviation preamble and %%Page: markers.

pub fn new_raw() -> Self

Create a backend that emits raw PS operators without a preamble, suitable for embedding in a larger PS document.

Trait Implementations

impl Default for PsRenderBackend

fn default() -> Self

Returns the “default value” for a type.

impl RenderBackend for PsRenderBackend

type Surface = PsSurface

The surface type used by this backend.

fn create_surface(&self, width: u32, height: u32, _bg: &RgbaColor) -> PsSurface

Create a new rendering surface with the given dimensions and background.

fn fill_path( &mut self, surface: &mut PsSurface, ops: &[PathOp], fill_rule: FillRule, color: &RgbaColor, transform: &Matrix, )

Fill a path with the given color and transform.

fn stroke_path( &mut self, surface: &mut PsSurface, ops: &[PathOp], style: &StrokeStyle, color: &RgbaColor, transform: &Matrix, )

Stroke a path with the given style, color, and transform.

fn draw_image( &mut self, surface: &mut PsSurface, image: &DecodedImage, transform: &Matrix, _interpolate: bool, )

Draw a decoded image with the given transform.

fn push_clip( &mut self, surface: &mut PsSurface, clip: &ClipPath, transform: &Matrix, )

Push a clipping region onto the clip stack.

fn pop_clip(&mut self, surface: &mut PsSurface)

Pop the most recent clipping region.

fn push_group( &mut self, surface: &mut PsSurface, _blend_mode: BlendMode, _opacity: f32, _isolated: bool, _knockout: bool, )

Begin a transparency group with the given blend mode, opacity, and transparency group attributes.

fn pop_group(&mut self, surface: &mut PsSurface)

End the current transparency group, compositing it onto the surface below.

fn surface_dimensions(&self, surface: &PsSurface) -> (u32, u32)

Return the dimensions (width, height) of the given surface.

fn composite_over(&mut self, _dst: &mut PsSurface, _src: &PsSurface)

Draw the content of src over dst using normal (SourceOver) blending.

fn surface_pixels(&self, _surface: &PsSurface) -> Vec<u8>

Return the raw pixel data of the surface as premultiplied RGBA bytes.

fn finish(self, surface: PsSurface) -> Bitmap

Finish rendering and return the final bitmap.

fn fill_path_no_aa( &mut self, surface: &mut Self::Surface, ops: &[PathOp], fill_rule: FillRule, color: &RgbaColor, transform: &Matrix, )

Fill a path with anti-aliasing forced off.

fn set_group_mask(&mut self, _alpha_data: Vec<u8>, _width: u32, _height: u32)

Set a soft mask on the topmost group entry.

fn draw_alpha_bitmap( &mut self, _surface: &mut Self::Surface, _alpha: &[u8], _width: u32, _height: u32, _bearing_x: i32, _bearing_y: i32, _color: &RgbaColor, _transform: &Matrix, )

Draw a pre-rasterized alpha bitmap at the given position with the given color.

fn set_antialiasing(&mut self, _enabled: bool)

Set whether anti-aliasing is enabled for subsequent fill/stroke operations.