//! Styles for text and pages. use toddle::query::FontClass; use FontClass::*; use crate::size::{Size, Size2D, SizeBox}; use crate::syntax::ParseResult; /// Defines properties of pages and text. #[derive(Debug, Default, Clone)] pub struct LayoutStyle { pub page: PageStyle, pub text: TextStyle, } /// Defines which fonts to use and how to space text. #[derive(Debug, Clone)] pub struct TextStyle { /// The classes the font has to be part of. pub classes: Vec, /// The fallback classes from which the font needs to match the /// leftmost possible one. pub fallback: Vec, /// The base font size. pub base_font_size: Size, /// The font scale to apply on the base font size. pub font_scale: f32, /// The word spacing (as a multiple of the font size). pub word_spacing: f32, /// The line spacing (as a multiple of the font size). pub line_spacing: f32, /// The paragraphs spacing (as a multiple of the font size). pub paragraph_spacing: f32, } impl TextStyle { /// The scaled font size. pub fn font_size(&self) -> Size { self.base_font_size * self.font_scale } /// Toggle a class. /// /// If the class was one of _italic_ or _bold_, then: /// - If it was not present before, the _regular_ class will be removed. /// - If it was present before, the _regular_ class will be added in case the other /// style class is not present. pub fn toggle_class(&mut self, class: FontClass) { if self.classes.contains(&class) { // If we retain a Bold or Italic class, we will not add // the Regular class. let mut regular = true; self.classes.retain(|x| { if class == *x { false } else { if class == Bold || class == Italic { regular = false; } true } }); if regular { self.classes.push(Regular); } } else { // If we add an Italic or Bold class, we remove // the Regular class. if class == Italic || class == Bold { self.classes.retain(|x| x != &Regular); } self.classes.push(class); } } } impl Default for TextStyle { fn default() -> TextStyle { TextStyle { classes: vec![Regular], fallback: vec![Serif], base_font_size: Size::pt(11.0), font_scale: 1.0, word_spacing: 0.25, line_spacing: 1.2, paragraph_spacing: 1.5, } } } /// Defines the size and margins of a page. #[derive(Debug, Copy, Clone)] pub struct PageStyle { /// The width and height of the page. pub dimensions: Size2D, /// The amount of white space on each side. pub margins: SizeBox, } impl Default for PageStyle { fn default() -> PageStyle { PageStyle { // A4 paper. dimensions: Size2D { x: Size::mm(210.0), y: Size::mm(297.0), }, // All the same margins. margins: SizeBox { left: Size::cm(2.5), top: Size::cm(2.5), right: Size::cm(2.5), bottom: Size::cm(2.5), }, } } } macro_rules! papers { ($(($var:ident: $width:expr, $height: expr, $($patterns:tt)*))*) => { $(/// The size of the paper that's in the name. pub const $var: Size2D = Size2D { x: Size { points: 2.83465 * $width }, y: Size { points: 2.83465 * $height }, };)* /// The size of a page with the given name. pub fn parse_paper_name(paper: &str) -> ParseResult { Ok(match paper.to_lowercase().as_str() { $($($patterns)* => $var,)* _ => error!("unknown paper size: `{}`", paper), }) } }; } // All paper sizes in mm. papers! { // ---------------------------------------------------------------------- // // ISO 216 // A Series (PAPER_A0: 841.0, 1189.0, "a0" | "poster") (PAPER_A1: 594.0, 841.0, "a1") (PAPER_A2: 420.0, 594.0, "a2") (PAPER_A3: 297.0, 420.0, "a3") (PAPER_A4: 210.0, 297.0, "a4") (PAPER_A5: 148.0, 210.0, "a5") (PAPER_A6: 105.0, 148.0, "a6") (PAPER_A7: 74.0, 105.0, "a7" | "iso-7810-id-2" | "id-2" | "visa" | "flyer") (PAPER_A8: 52.0, 74.0, "a8") (PAPER_A9: 37.0, 52.0, "a9") (PAPER_A10: 26.0, 37.0, "a10") (PAPER_A11: 18.0, 26.0, "a11") // B Series (PAPER_B1: 707.0, 1000.0, "b1" | "flipchart") (PAPER_B2: 500.0, 707.0, "b2") (PAPER_B3: 353.0, 500.0, "b3") (PAPER_B4: 250.0, 353.0, "b4" | "sheet-music") (PAPER_B5: 176.0, 250.0, "b5" | "book") (PAPER_B6: 125.0, 176.0, "b6") (PAPER_B7: 88.0, 125.0, "b7" | "passport" | "iso-7810-id-3" | "id-3") (PAPER_B8: 62.0, 88.0, "b8") // C Series (PAPER_C3: 324.0, 458.0, "c3") (PAPER_C4: 229.0, 324.0, "c4") (PAPER_C5: 162.0, 229.0, "c5") (PAPER_C6: 114.0, 162.0, "c6") (PAPER_C7: 81.0, 114.0, "c7") (PAPER_C8: 57.0, 81.0, "c8") // D Series (DIN extension to ISO) (PAPER_D3: 272.0, 385.0, "din-d3") (PAPER_D4: 192.0, 272.0, "din-d4") (PAPER_D5: 136.0, 192.0, "din-d5" | "dvd") (PAPER_D6: 96.0, 136.0, "din-d6") (PAPER_D7: 68.0, 96.0, "din-d7") (PAPER_D8: 48.0, 68.0, "din-d8") // Academically relevant SIS extensions (PAPER_G5: 169.0, 239.0, "sis-g5") (PAPER_E5: 115.0, 220.0, "sis-e5") // ---------------------------------------------------------------------- // // Unites States // Customary (PAPER_FOLIO: 210.0, 330.0, "folio" | "us-folio" | "us-f4") (PAPER_LETTER: 216.0, 279.0, "letter" | "ansi-a" | "american-quarto" | "carta") (PAPER_LEGAL: 216.0, 356.0, "legal") (PAPER_TABLOID: 279.0, 432.0, "tabloid" | "ansi-b") (PAPER_LEDGER: 432.0, 279.0, "ledger") (PAPER_JUNIOR_LEGAL: 127.0, 203.0, "junior-legal" | "index-card") (PAPER_HALF_LETTER: 140.0, 216.0, "half-letter") (PAPER_GOVERNMENT_LETTER: 203.0, 267.0, "government-letter") (PAPER_GOVERNMENT_LEGAL: 216.0, 330.0, "government-legal" | "officio") // ANSI Extensions (PAPER_ANSI_C: 432.0, 559.0, "ansi-c") (PAPER_ANSI_D: 559.0, 864.0, "ansi-d") (PAPER_ANSI_E: 864.0, 1118.0, "ansi-e") (PAPER_ENGINEERING_F: 711.0, 1016.0, "engineering-f" | "engineering" | "navfac" | "aerospace") // Architectural Paper (PAPER_ARCH_A: 229.0, 305.0, "arch-a" | "arch-1") (PAPER_ARCH_B: 305.0, 457.0, "arch-b" | "arch-2" | "extra-tabloide") (PAPER_ARCH_C: 457.0, 610.0, "arch-c" | "arch-3") (PAPER_ARCH_D: 610.0, 914.0, "arch-d" | "arch-4") (PAPER_ARCH_E1: 762.0, 1067.0, "arch-e1" | "arch-5") (PAPER_ARCH_E: 914.0, 1219.0, "arch-e" | "arch-6") // ---------------------------------------------------------------------- // // Japan // JIS B Series (PAPER_JIS_B0: 1030.0, 1456.0, "jis-b0" | "jb0") (PAPER_JIS_B1: 728.0, 1030.0, "jis-b1" | "jb1") (PAPER_JIS_B2: 515.0, 728.0, "jis-b2" | "jb2") (PAPER_JIS_B3: 364.0, 515.0, "jis-b3" | "jb3") (PAPER_JIS_B4: 257.0, 364.0, "jis-b4" | "jb4") (PAPER_JIS_B5: 182.0, 257.0, "jis-b5" | "jb5") (PAPER_JIS_B6: 128.0, 182.0, "jis-b6" | "jb6") (PAPER_JIS_B7: 91.0, 128.0, "jis-b7" | "jb7") (PAPER_JIS_B8: 64.0, 91.0, "jis-b8" | "jb8") (PAPER_JIS_B9: 45.0, 64.0, "jis-b9" | "jb9") (PAPER_JIS_B10: 32.0, 45.0, "jis-b10" | "jb10") (PAPER_JIS_B11: 22.0, 32.0, "jis-b11" | "jb11") // Traditional (PAPER_SHIROKU_BAN_4: 264.0, 379.0, "shiroku-ban-4") (PAPER_SHIROKU_BAN_5: 189.0, 262.0, "shiroku-ban-5") (PAPER_SHIROKU_BAN_6: 127.0, 188.0, "shiroku-ban-6") (PAPER_KIKU_4: 227.0, 306.0, "kiku-4") (PAPER_KIKU_5: 151.0, 227.0, "kiku-5") // ---------------------------------------------------------------------- // // China // Chinese D Series (PAPER_SAC_D0: 764.0, 1064.0, "sac-d0" | "cn-d0") (PAPER_SAC_D1: 532.0, 760.0, "sac-d1" | "cn-d1") (PAPER_SAC_D2: 380.0, 528.0, "sac-d2" | "cn-d2") (PAPER_SAC_D3: 264.0, 376.0, "sac-d3" | "cn-d3") (PAPER_SAC_D4: 188.0, 260.0, "sac-d4" | "cn-d4") (PAPER_SAC_D5: 130.0, 184.0, "sac-d5" | "cn-d5") (PAPER_SAC_D6: 92.0, 126.0, "sac-d6" | "cn-d6") // ---------------------------------------------------------------------- // // United Kingdom Imperial (Assortment) (PAPER_MONARCH: 184.0, 267.0, "monarch") (PAPER_QUARTO: 229.0, 279.0, "quarto" | "us-quarto") (PAPER_UK_QUARTO: 203.0, 254.0, "uk-quarto" | "imperial-quarto") (PAPER_UK_FOOLSCAP: 343.0, 432.0, "foolscap" | "us-foolscap") (PAPER_FOOLSCAP: 203.0, 330.0, "imperial-foolscap" | "uk-foolscap") (PAPER_POTT: 318.0, 381.0, "pott") (PAPER_CROWN: 318.0, 508.0, "crown") (PAPER_PINCHED_POST: 375.0, 470.0, "pinched-post") (PAPER_POST: 394.0, 489.0, "post") (PAPER_LARGE_POST: 419.0, 533.0, "large-post") (PAPER_DEMY: 445.0, 572.0, "demy") (PAPER_ROYAL: 508.0, 635.0, "royal") (PAPER_DOUBLE_CROWN: 508.0, 762.0, "double-crown" | "theatre") (PAPER_ELEPHANT: 584.0, 711.0, "elephant") (PAPER_DOUBLE_ROYAL: 635.0, 1016.0, "double-royal" | "rail") (PAPER_QUAD_CROWN: 762.0, 1016.0, "quad-crown" | "cinema") // ---------------------------------------------------------------------- // // French Traditional (AFNOR) (PAPER_CLOCHE: 300.0, 400.0, "cloche") (PAPER_POT: 310.0, 400.0, "pot" | "ecolier" | "écolier") (PAPER_TELLIERE: 340.0, 440.0, "telliere" | "tellière") (PAPER_COURONNE_ECRITURE: 360.0, 460.0, "couronne-ecriture" | "couronne" | "couronne-écriture") (PAPER_COURONNE_EDITION: 370.0, 470.0, "couronne-edition" | "couronne-édition") (PAPER_ROBERTO: 390.0, 500.0, "roberto") (PAPER_ECU: 400.0, 520.0, "ecu" | "écu") (PAPER_COQUILLE: 440.0, 560.0, "coquille") (PAPER_CARRE: 450.0, 560.0, "carre" | "carré") (PAPER_CAVALIER: 460.0, 620.0, "cavalier") (PAPER_DEMI_RAISIN: 325.0, 500.0, "demi-raisin") (PAPER_RAISIN: 500.0, 650.0, "raisin" | "dessin") (PAPER_DOUBLE_RAISIN: 650.0, 1000.0, "double-raisin") (PAPER_JESUS: 560.0, 760.0, "jesus" | "jésus") (PAPER_SOLEIL: 600.0, 800.0, "soleil") (PAPER_COLOMBIER_AFFICHE: 600.0, 800.0, "colombier-affiche" | "affiche") (PAPER_COLOMBIER_COMMERCIAL: 630.0, 900.0, "colombier-commercial") (PAPER_PETIT_AIGLE: 700.0, 940.0, "petit-aigle") (PAPER_GRAND_AIGLE: 750.0, 1060.0, "grand-aigle" | "napoleon") (PAPER_GRAND_MONDE: 900.0, 1260.0, "grand-monde") (PAPER_UNIVERS: 1000.0, 1300.0, "univers" | "universe") // ---------------------------------------------------------------------- // // Newspaper (PAPER_COMPACT: 280.0, 430.0, "compact") (PAPER_BERLINER: 315.0, 470.0, "berliner" | "midi") (PAPER_RHENISH: 350.0, 520.0, "rhenish") (PAPER_BROADSHEET: 381.0, 578.0, "broadsheet" | "newspaper") (PAPER_NEW_YORK_TIMES: 305.0, 559.0, "new-york-times" | "times") // ---------------------------------------------------------------------- // // Books (PAPER_FOLIO_BOOK: 304.8, 482.6, "book-folio") (PAPER_QUARTO_BOOK: 241.3, 304.8, "book-quarto") (PAPER_OCTAVO_BOOK: 152.4, 228.6, "book-octavo") (PAPER_16_MO_BOOK: 101.6, 171.45, "book-16mo") (PAPER_32_MO_BOOK: 88.9, 139.7, "book-32mo") // ---------------------------------------------------------------------- // // Various (PAPER_ID_1: 85.6, 53.98, "id-card" | "id-1" | "iso-7810-id-1" | "eu-business-card" | "business-card") (PAPER_US_BUSINESS_CARD: 88.9, 50.8, "us-business-card") (PAPER_JP_BUSINESS_CARD: 91.0, 55.0, "jp-business-card") (PAPER_CN_BUSINESS_CARD: 90.0, 54.0, "cn-business-card") (PAPER_A4_16_9: 297.0, 148.5, "presentation-4-3") (PAPER_A4_4_3: 280.0, 210.0, "presentation-16-9" | "presentation") (PAPER_POSTCARD: 101.6, 152.4, "postcard") }