feat: Seitenformat folgt dem PDF (Querformat für Folien)
Seiten haben jetzt eine eigene Größe. Beim PDF-Import bleiben Hochformat- Seiten DIN A4; Querformat-Seiten wie PowerPoint-Folien bekommen eine Querformat-Seite (297 mm breit, Höhe nach Seitenverhältnis) ohne leeren Streifen darunter (Issue #4). Eingefügte und angehängte Seiten übernehmen das Format der aktuellen Seite. Anzeige: Maßstab aus dem Rahmen aller Seiten, die durchgehende Ansicht stapelt verschieden große Seiten zentriert untereinander. Export (PDF, PNG, SVG) in der jeweiligen Seitengröße. Dateiformat-Version 8 (Größe in Seite und Manifest; A4-Seiten speichern keine Größe). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -3,7 +3,7 @@
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use serde::{Deserialize, Serialize};
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use crate::canvas::InkVertex;
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use crate::document::{PageBackground, PAGE_HEIGHT, PAGE_WIDTH};
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use crate::document::PageBackground;
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/// Linienstärke für Gitter- und Schreiblinien in Seiteneinheiten (1.5 = 0.15 mm).
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pub const LINE_THICKNESS: f32 = 1.5;
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@@ -99,15 +99,16 @@ pub fn adapt_ink_color(color: [f32; 4]) -> [f32; 4] {
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[color[0] + lift, color[1] + lift, color[2] + lift, color[3]]
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}
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/// Erzeugt die 6 Vertizes (2 Dreiecke) für das DIN-A4-Papierblatt.
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pub fn generate_paper_quad(color: [f32; 4]) -> Vec<InkVertex> {
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/// Erzeugt die 6 Vertizes (2 Dreiecke) für ein Blatt der Größe `size`.
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pub fn generate_paper_quad(color: [f32; 4], size: glam::Vec2) -> Vec<InkVertex> {
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let (page_width, page_height) = (size.x, size.y);
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vec![
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InkVertex::new(0.0, 0.0, color),
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InkVertex::new(PAGE_WIDTH, 0.0, color),
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InkVertex::new(0.0, PAGE_HEIGHT, color),
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InkVertex::new(0.0, PAGE_HEIGHT, color),
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InkVertex::new(PAGE_WIDTH, 0.0, color),
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InkVertex::new(PAGE_WIDTH, PAGE_HEIGHT, color),
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InkVertex::new(page_width, 0.0, color),
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InkVertex::new(0.0, page_height, color),
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InkVertex::new(0.0, page_height, color),
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InkVertex::new(page_width, 0.0, color),
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InkVertex::new(page_width, page_height, color),
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]
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}
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@@ -129,8 +130,14 @@ fn push_quad(
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vertices.push(InkVertex::new(x_max, y_max, color));
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}
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/// Generiert das statische Vektor-Mesh für den gewählten Seitenhintergrund in `color`.
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pub fn generate_background_mesh(background: PageBackground, color: [f32; 4]) -> Vec<InkVertex> {
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/// Generiert das statische Vektor-Mesh für den gewählten Seitenhintergrund in `color` auf
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/// einem Blatt der Größe `size`.
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pub fn generate_background_mesh(
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background: PageBackground,
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color: [f32; 4],
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size: glam::Vec2,
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) -> Vec<InkVertex> {
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let (page_width, page_height) = (size.x, size.y);
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match background {
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PageBackground::Blank => Vec::new(),
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PageBackground::Grid5mm => {
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@@ -139,27 +146,27 @@ pub fn generate_background_mesh(background: PageBackground, color: [f32; 4]) ->
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// Vertikale Linien alle 5 mm
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let mut x = GRID_5MM_SPACING;
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while x < PAGE_WIDTH {
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while x < page_width {
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push_quad(
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&mut vertices,
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color,
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x - half_t,
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0.0,
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x + half_t,
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PAGE_HEIGHT,
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page_height,
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);
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x += GRID_5MM_SPACING;
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}
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// Horizontale Linien alle 5 mm
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let mut y = GRID_5MM_SPACING;
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while y < PAGE_HEIGHT {
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while y < page_height {
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push_quad(
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&mut vertices,
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color,
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0.0,
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y - half_t,
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PAGE_WIDTH,
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page_width,
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y + half_t,
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);
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y += GRID_5MM_SPACING;
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@@ -176,13 +183,13 @@ pub fn generate_background_mesh(background: PageBackground, color: [f32; 4]) ->
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let margin_bottom = 150.0;
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let mut y = margin_top;
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while y <= PAGE_HEIGHT - margin_bottom {
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while y <= page_height - margin_bottom {
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push_quad(
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&mut vertices,
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color,
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0.0,
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y - half_t,
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PAGE_WIDTH,
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page_width,
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y + half_t,
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);
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y += LINED_SPACING;
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@@ -195,9 +202,9 @@ pub fn generate_background_mesh(background: PageBackground, color: [f32; 4]) ->
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let half_d = DOT_SIZE / 2.0;
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let mut y = GRID_5MM_SPACING;
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while y < PAGE_HEIGHT {
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while y < page_height {
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let mut x = GRID_5MM_SPACING;
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while x < PAGE_WIDTH {
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while x < page_width {
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push_quad(
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&mut vertices,
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color,
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@@ -220,22 +227,29 @@ pub fn generate_background_mesh(background: PageBackground, color: [f32; 4]) ->
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mod tests {
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use super::*;
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use crate::document::{A4_SIZE, PAGE_HEIGHT, PAGE_WIDTH};
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#[test]
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fn test_paper_quad_generation() {
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let quad = generate_paper_quad(PaperTheme::White.paper_color());
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let quad = generate_paper_quad(PaperTheme::White.paper_color(), A4_SIZE);
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assert_eq!(quad.len(), 6);
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assert_eq!(quad[0].position, [0.0, 0.0]);
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assert_eq!(quad[5].position, [PAGE_WIDTH, PAGE_HEIGHT]);
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let slide = generate_paper_quad(
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PaperTheme::White.paper_color(),
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glam::Vec2::new(2970.0, 1671.0),
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);
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assert_eq!(slide[5].position, [2970.0, 1671.0]);
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}
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const PATTERN: [f32; 4] = [0.5, 0.5, 0.5, 1.0];
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#[test]
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fn test_background_meshes() {
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let blank = generate_background_mesh(PageBackground::Blank, PATTERN);
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let blank = generate_background_mesh(PageBackground::Blank, PATTERN, A4_SIZE);
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assert!(blank.is_empty());
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let grid = generate_background_mesh(PageBackground::Grid5mm, PATTERN);
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let grid = generate_background_mesh(PageBackground::Grid5mm, PATTERN, A4_SIZE);
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assert!(!grid.is_empty());
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assert_eq!(
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grid.len() % 6,
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@@ -243,11 +257,11 @@ mod tests {
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"Muss ein Vielfaches von 6 Vertizes sein (Dreiecke)"
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);
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let lined = generate_background_mesh(PageBackground::Lined, PATTERN);
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let lined = generate_background_mesh(PageBackground::Lined, PATTERN, A4_SIZE);
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assert!(!lined.is_empty());
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assert_eq!(lined.len() % 6, 0);
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let dots = generate_background_mesh(PageBackground::DotGrid, PATTERN);
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let dots = generate_background_mesh(PageBackground::DotGrid, PATTERN, A4_SIZE);
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assert!(!dots.is_empty());
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assert_eq!(dots.len() % 6, 0);
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}
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@@ -255,9 +269,9 @@ mod tests {
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#[test]
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fn test_background_mesh_uses_theme_color() {
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let dark = PaperTheme::Black.pattern_color();
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let mesh = generate_background_mesh(PageBackground::Lined, dark);
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let mesh = generate_background_mesh(PageBackground::Lined, dark, A4_SIZE);
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assert!(mesh.iter().all(|v| v.color == dark));
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let quad = generate_paper_quad(PaperTheme::Cream.paper_color());
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let quad = generate_paper_quad(PaperTheme::Cream.paper_color(), A4_SIZE);
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assert!(quad
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.iter()
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.all(|v| v.color == PaperTheme::Cream.paper_color()));
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