caisin/typst
1
0
Fork 0
mirror of https://github.com/typst/typst synced 2025-05-22 04:55:29 +08:00
Code Issues Packages Projects Releases Wiki Activity

Merge text and shape PDF loops 🎡

Browse Source
This commit is contained in:
Martin Haug 2021-03-19 11:05:23 +01:00
parent 6bd1a494e0
commit bd12d135ca
1 changed files with 18 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
src/export/pdf.rs
View File

@ -129,6 +129,11 @@ impl<'a> PdfExporter<'a> {
fn write_page(&mut self, id: Ref, page: &'a Frame) {
let mut content = Content::new();
// We only write font switching actions when the used face changes. To
// do that, we need to remember the active face.
let mut face = FaceId::MAX;
let mut size = Length::ZERO;
for (pos, element) in &page.elements {
let x = pos.x.to_pt() as f32;
match element {
@ -173,36 +178,25 @@ impl<'a> PdfExporter<'a> {
content.restore_state();
}
_ => {}
}
}
Element::Text(shaped) => {
let mut text = content.text();
// Check if we need to issue a font switching action.
if shaped.face != face || shaped.font_size != size {
face = shaped.face;
size = shaped.font_size;
// We only write font switching actions when the used face changes. To
// do that, we need to remember the active face.
let mut face = FaceId::MAX;
let mut size = Length::ZERO;
let name = format!("F{}", self.fonts.map(shaped.face));
text.font(Name(name.as_bytes()), size.to_pt() as f32);
}
let mut text = content.text();
for (pos, element) in &page.elements {
if let Element::Text(shaped) = element {
// Check if we need to issue a font switching action.
if shaped.face != face || shaped.font_size != size {
face = shaped.face;
size = shaped.font_size;
let name = format!("F{}", self.fonts.map(shaped.face));
text.font(Name(name.as_bytes()), size.to_pt() as f32);
let x = pos.x.to_pt() as f32;
let y = (page.size.height - pos.y).to_pt() as f32;
text.matrix(1.0, 0.0, 0.0, 1.0, x, y);
text.show(&shaped.encode_glyphs_be());
}
let x = pos.x.to_pt() as f32;
let y = (page.size.height - pos.y).to_pt() as f32;
text.matrix(1.0, 0.0, 0.0, 1.0, x, y);
text.show(&shaped.encode_glyphs_be());
}
}
drop(text);
self.writer.stream(id, &content.finish());
}