caisin/typst
1
0
Fork 0
mirror of https://github.com/typst/typst synced 2025-06-08 13:16:24 +08:00
Code Issues Packages Projects Releases Wiki Activity

more

Browse Source
This commit is contained in:
Laurenz Stampfl 2024-12-17 11:35:15 +01:00
parent 06d7fb7c69
commit bcfb889844
3 changed files with 61 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
crates/typst-pdf/src/krilla.rs
View File

@ -640,7 +640,7 @@ fn write_link(
LinkAnnotation::new(
rect,
Target::Destination(krilla::destination::Destination::Xyz(
XyzDestination::new(page_index, pos.point.as_krilla()),
XyzDestination::new(page_index, pos.point.to_krilla()),
)),
)
.into(),
@ -665,7 +665,7 @@ pub fn handle_group(
convert_path(p, &mut builder);
builder.finish()
})
.and_then(|p| p.transform(fc.state().transform.as_krilla()));
.and_then(|p| p.transform(fc.state().transform.to_krilla()));
if let Some(clip_path) = &clip_path {
surface.push_clip_path(clip_path, &krilla::path::FillRule::NonZero);
@ -726,7 +726,7 @@ pub fn handle_text(
let glyphs: &[PdfGlyph] = TransparentWrapper::wrap_slice(t.glyphs.as_slice());
surface.push_transform(&fc.state().transform.as_krilla());
surface.push_transform(&fc.state().transform.to_krilla());
surface.fill_glyphs(
krilla::geom::Point::from_xy(0.0, 0.0),
@ -771,7 +771,7 @@ pub fn handle_image(
surface: &mut Surface,
span: Span,
) -> SourceResult<()> {
surface.push_transform(&fc.state().transform.as_krilla());
surface.push_transform(&fc.state().transform.to_krilla());
match image.kind() {
ImageKind::Raster(raster) => {
@ -784,12 +784,12 @@ pub fn handle_image(
gc.image_spans.insert(image.clone(), span);
}
surface.draw_image(image, size.as_krilla());
surface.draw_image(image, size.to_krilla());
}
ImageKind::Svg(svg) => {
surface.draw_svg(
svg.tree(),
size.as_krilla(),
size.to_krilla(),
SvgSettings {
embed_text: !svg.flatten_text(),
..Default::default()
@ -841,7 +841,7 @@ pub fn handle_shape(
}
}
surface.push_transform(&fc.state().transform.as_krilla());
surface.push_transform(&fc.state().transform.to_krilla());
if let Some(path) = path_builder.finish() {
if let Some(paint) = &shape.fill {

29
crates/typst-pdf/src/paint.rs
View File

@ -1,7 +1,7 @@
//! Convert paint types from typst to krilla.
use crate::krilla::{process_frame, FrameContext, GlobalContext, Transforms};
use crate::util::{AbsExt, FillRuleExt, LineCapExt, LineJoinExt, TransformExt};
use crate::util::{AbsExt, ColorExt, FillRuleExt, LineCapExt, LineJoinExt, TransformExt};
use krilla::geom::NormalizedF32;
use krilla::paint::SpreadMethod;
use krilla::surface::Surface;
@ -25,7 +25,7 @@ pub(crate) fn fill(
Ok(krilla::path::Fill {
paint,
rule: fill_rule_.as_krilla(),
rule: fill_rule_.to_krilla(),
opacity: NormalizedF32::new(opacity as f32 / 255.0).unwrap(),
})
}
@ -43,8 +43,8 @@ pub(crate) fn stroke(
paint,
width: stroke.thickness.to_f32(),
miter_limit: stroke.miter_limit.get() as f32,
line_join: stroke.join.as_krilla(),
line_cap: stroke.cap.as_krilla(),
line_join: stroke.join.to_krilla(),
line_cap: stroke.cap.to_krilla(),
opacity: NormalizedF32::new(opacity as f32 / 255.0).unwrap(),
dash: stroke.dash.as_ref().map(|d| dash(d)),
})
@ -57,15 +57,6 @@ fn dash(dash: &DashPattern<Abs, Abs>) -> krilla::path::StrokeDash {
}
}
fn convert_to_rgb_color(color: &Color) -> (krilla::color::rgb::Color, u8) {
let components = color.to_space(ColorSpace::Srgb).to_vec4_u8();
(
krilla::color::rgb::Color::new(components[0], components[1], components[2])
.into(),
components[3],
)
}
fn paint(
gc: &mut GlobalContext,
paint: &Paint,
@ -95,7 +86,7 @@ fn paint(
)
}
_ => {
let (c, a) = convert_to_rgb_color(c);
let (c, a) = c.to_krilla_rgb();
(c.into(), a)
}
};
@ -131,7 +122,7 @@ pub(crate) fn convert_pattern(
.unwrap()
.pre_concat(transforms.container_transform_chain),
}
.as_krilla();
.to_krilla();
let mut stream_builder = surface.stream_builder();
let mut surface = stream_builder.surface();
@ -178,7 +169,7 @@ fn convert_gradient(
let mut stops: Vec<krilla::paint::Stop<krilla::color::rgb::Color>> = vec![];
let mut add_single = |color: &Color, offset: Ratio| {
let (color, opacity) = convert_to_rgb_color(color);
let (color, opacity) = color.to_krilla_rgb();
let opacity = NormalizedF32::new((opacity as f32) / 255.0).unwrap();
let offset = NormalizedF32::new(offset.get() as f32).unwrap();
let stop = krilla::paint::Stop { offset, color, opacity };
@ -234,7 +225,7 @@ fn convert_gradient(
y1,
x2,
y2,
transform: actual_transform.as_krilla().pre_concat(
transform: actual_transform.to_krilla().pre_concat(
krilla::geom::Transform::from_scale(size.x.to_f32(), size.y.to_f32()),
),
spread_method: SpreadMethod::Pad,
@ -280,7 +271,7 @@ fn convert_gradient(
cx: radial.center.x.get() as f32,
cy: radial.center.y.get() as f32,
cr: radial.radius.get() as f32,
transform: actual_transform.as_krilla().pre_concat(
transform: actual_transform.to_krilla().pre_concat(
krilla::geom::Transform::from_scale(size.x.to_f32(), size.y.to_f32()),
),
spread_method: SpreadMethod::Pad,
@ -366,7 +357,7 @@ fn convert_gradient(
cy,
start_angle: 0.0,
end_angle: 360.0,
transform: actual_transform.as_krilla(),
transform: actual_transform.to_krilla(),
spread_method: SpreadMethod::Pad,
stops: stops.into(),
anti_alias: gradient.anti_alias(),

68
crates/typst-pdf/src/util.rs
View File

@ -1,64 +1,68 @@
//! Basic utilities for converting typst types to krilla.
use krilla::geom as kg;
use krilla::path as kp;
use krilla::color::rgb as kr;
use typst_library::layout::{Abs, Point, Size, Transform};
use typst_library::text::Font;
use typst_library::visualize::{FillRule, LineCap, LineJoin};
use typst_library::visualize::{Color, ColorSpace, FillRule, LineCap, LineJoin};
pub(crate) trait SizeExt {
fn as_krilla(&self) -> krilla::geom::Size;
fn to_krilla(&self) -> kg::Size;
}
impl SizeExt for Size {
fn as_krilla(&self) -> krilla::geom::Size {
krilla::geom::Size::from_wh(self.x.to_f32(), self.y.to_f32()).unwrap()
fn to_krilla(&self) -> kg::Size {
kg::Size::from_wh(self.x.to_f32(), self.y.to_f32()).unwrap()
}
}
pub(crate) trait PointExt {
fn as_krilla(&self) -> krilla::geom::Point;
fn to_krilla(&self) -> kg::Point;
}
impl PointExt for Point {
fn as_krilla(&self) -> krilla::geom::Point {
krilla::geom::Point::from_xy(self.x.to_f32(), self.y.to_f32())
fn to_krilla(&self) -> kg::Point {
kg::Point::from_xy(self.x.to_f32(), self.y.to_f32())
}
}
pub(crate) trait LineCapExt {
fn as_krilla(&self) -> krilla::path::LineCap;
fn to_krilla(&self) -> kp::LineCap;
}
impl LineCapExt for LineCap {
fn as_krilla(&self) -> krilla::path::LineCap {
fn to_krilla(&self) -> kp::LineCap {
match self {
LineCap::Butt => krilla::path::LineCap::Butt,
LineCap::Round => krilla::path::LineCap::Round,
LineCap::Square => krilla::path::LineCap::Square,
LineCap::Butt => kp::LineCap::Butt,
LineCap::Round => kp::LineCap::Round,
LineCap::Square => kp::LineCap::Square,
}
}
}
pub(crate) trait LineJoinExt {
fn as_krilla(&self) -> krilla::path::LineJoin;
fn to_krilla(&self) -> kp::LineJoin;
}
impl LineJoinExt for LineJoin {
fn as_krilla(&self) -> krilla::path::LineJoin {
fn to_krilla(&self) -> kp::LineJoin {
match self {
LineJoin::Miter => krilla::path::LineJoin::Miter,
LineJoin::Round => krilla::path::LineJoin::Round,
LineJoin::Bevel => krilla::path::LineJoin::Bevel,
LineJoin::Miter => kp::LineJoin::Miter,
LineJoin::Round => kp::LineJoin::Round,
LineJoin::Bevel => kp::LineJoin::Bevel,
}
}
}
pub(crate) trait TransformExt {
fn as_krilla(&self) -> krilla::geom::Transform;
fn to_krilla(&self) -> kg::Transform;
}
impl TransformExt for Transform {
fn as_krilla(&self) -> krilla::geom::Transform {
krilla::geom::Transform::from_row(
fn to_krilla(&self) -> kg::Transform {
kg::Transform::from_row(
self.sx.get() as f32,
self.ky.get() as f32,
self.kx.get() as f32,
@ -70,14 +74,14 @@ impl TransformExt for Transform {
}
pub(crate) trait FillRuleExt {
fn as_krilla(&self) -> krilla::path::FillRule;
fn to_krilla(&self) -> kp::FillRule;
}
impl FillRuleExt for FillRule {
fn as_krilla(&self) -> krilla::path::FillRule {
fn to_krilla(&self) -> kp::FillRule {
match self {
FillRule::NonZero => krilla::path::FillRule::NonZero,
FillRule::EvenOdd => krilla::path::FillRule::EvenOdd,
FillRule::NonZero => kp::FillRule::NonZero,
FillRule::EvenOdd => kp::FillRule::EvenOdd,
}
}
}
@ -92,6 +96,22 @@ impl AbsExt for Abs {
}
}
pub(crate) trait ColorExt {
fn to_krilla_rgb(&self) -> (kr::Color, u8);
}
impl ColorExt for Color {
/// Convert a color into a krilla RGB color and an alpha value.
fn to_krilla_rgb(&self) -> (kr::Color, u8) {
let components = self.to_space(ColorSpace::Srgb).to_vec4_u8();
(
kr::Color::new(components[0], components[1], components[2])
.into(),
components[3],
)
}
}
/// Display the font family and variant.
pub(crate) fn display_font(font: &Font) -> String {
let font_family = &font.info().family;