ppt-rs 0.2.14

Create, read, and update PowerPoint 2007+ (.pptx) files with rich formatting, bullet styles, themes, and templates.
Documentation 
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//! Centered title slide layout

use super::common::{SlideXmlBuilder, generate_text_props, ShapePosition, TextContent};
use crate::generator::slide_content::SlideContent;
use crate::generator::constants::{
    TITLE_X, CENTERED_TITLE_Y, TITLE_WIDTH, CENTERED_TITLE_HEIGHT, TITLE_FONT_SIZE,
};

/// Centered title slide layout generator
pub struct CenteredTitleLayout;

impl CenteredTitleLayout {
    /// Generate centered title slide XML
    pub fn generate(content: &SlideContent) -> String {
        let title_size = content.title_size.unwrap_or(TITLE_FONT_SIZE / 100 * 100);
        let title_props = generate_text_props(
            title_size,
            content.title_bold,
            content.title_italic,
            content.title_underline,
            content.title_color.as_deref(),
        );

        let position = ShapePosition::new(TITLE_X, CENTERED_TITLE_Y, TITLE_WIDTH, CENTERED_TITLE_HEIGHT);
        let text_content = TextContent::new(&content.title, &title_props);

        SlideXmlBuilder::new()
            .start_slide_with_bg()
            .start_sp_tree()
            .add_centered_title(2, position, text_content)
            .end_sp_tree()
            .end_slide()
            .build()
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_centered_title_layout() {
        let content = SlideContent::new("Centered Title");
        let xml = CenteredTitleLayout::generate(&content);
        
        assert!(xml.contains("Centered Title"));
        assert!(xml.contains("ctrTitle"));
        assert!(xml.contains("algn=\"ctr\""));
    }
}