36 lines
921 B
Rust
36 lines
921 B
Rust
use std::ffi::CString;
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use pangocairo::FontMap;
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use pango::prelude::*;
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use pango;
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use sys::pango as sys_pango;
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use ui_model::StyledLine;
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pub struct Context {
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pango_context: pango::Context,
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}
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impl Context {
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pub fn new(font_desc: &pango::FontDescription) -> Self {
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Context { pango_context: create_pango_context(font_desc) }
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}
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pub fn update(&mut self, font_desc: &pango::FontDescription) {
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self.pango_context = create_pango_context(font_desc);
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}
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pub fn itemize(&self, line: &StyledLine) -> Vec<sys_pango::Item> {
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sys_pango::pango_itemize(&self.pango_context, line.line_str.trim_right(), &line.attr_list)
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}
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}
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fn create_pango_context(font_desc: &pango::FontDescription) -> pango::Context {
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let font_map = FontMap::get_default();
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let pango_context = font_map.create_context().unwrap();
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pango_context.set_font_description(&font_desc);
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pango_context
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}
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