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use std::path::PathBuf;
use crate::{ImageRendering, ShapeRendering, TextRendering, Size, ScreenSize};
#[derive(Clone, Copy, PartialEq, Debug)]
pub enum FitTo {
Original,
Width(u32),
Height(u32),
Size(u32, u32),
Zoom(f32),
}
impl FitTo {
pub fn fit_to(&self, size: ScreenSize) -> Option<ScreenSize> {
let sizef = size.to_size();
match *self {
FitTo::Original => {
Some(size)
}
FitTo::Width(w) => {
let h = (w as f64 * sizef.height() / sizef.width()).ceil();
ScreenSize::new(w, h as u32)
}
FitTo::Height(h) => {
let w = (h as f64 * sizef.width() / sizef.height()).ceil();
ScreenSize::new(w as u32, h)
}
FitTo::Size(w, h) => {
Some(sizef.scale_to(Size::new(w as f64, h as f64)?).to_screen_size())
}
FitTo::Zoom(z) => {
Size::new(sizef.width() * z as f64, sizef.height() * z as f64)
.map(|s| s.to_screen_size())
}
}
}
}
#[derive(Clone, Debug)]
pub struct Options {
pub resources_dir: Option<PathBuf>,
pub dpi: f64,
pub font_family: String,
pub font_size: f64,
pub languages: Vec<String>,
pub shape_rendering: ShapeRendering,
pub text_rendering: TextRendering,
pub image_rendering: ImageRendering,
pub keep_named_groups: bool,
#[cfg(feature = "text")]
pub fontdb: fontdb::Database,
}
impl Options {
pub fn get_abs_path(&self, rel_path: &std::path::Path) -> std::path::PathBuf {
match self.resources_dir {
Some(ref dir) => dir.join(rel_path),
None => rel_path.into(),
}
}
}
impl Default for Options {
fn default() -> Options {
Options {
resources_dir: None,
dpi: 96.0,
font_family: "Times New Roman".to_owned(),
font_size: 12.0,
languages: vec!["en".to_string()],
shape_rendering: ShapeRendering::default(),
text_rendering: TextRendering::default(),
image_rendering: ImageRendering::default(),
keep_named_groups: false,
#[cfg(feature = "text")]
fontdb: fontdb::Database::new(),
}
}
}