Function miniapp_render_slide_page

src/apps/desktop/src/api/miniapp_export_api.rs:124–166

(
    app: AppHandle,
    request: MiniAppRenderSlidePageRequest,
)

#[tauri::command]
pub async fn miniapp_render_slide_page(
    app: AppHandle,
    request: MiniAppRenderSlidePageRequest,
) -> Result<String, String> {
    let width = request.width.unwrap_or(EXPORT_VIEWPORT_WIDTH as u32);
    let height = request.height.unwrap_or(EXPORT_VIEWPORT_HEIGHT as u32);
    let format = request.format.trim().to_ascii_lowercase();

    match format.as_str() {
        "png" => {
            with_export_webview(&app, request.html, width, height, |webview| async move {
                take_screenshot(webview, RENDER_TIMEOUT_MS)
                    .await
                    .map_err(|error| error.message)
            })
            .await
        }
        "pdf" => {
            let page_width_cm = (width as f64 / 96.0) * 2.54;
            let page_height_cm = (height as f64 / 96.0) * 2.54;
            let options = PrintOptions {
                orientation: Some("landscape".to_string()),
                scale: Some(1.0),
                background: Some(true),
                page_width: Some(page_width_cm),
                page_height: Some(page_height_cm),
                margin_top: Some(0.0),
                margin_bottom: Some(0.0),
                margin_left: Some(0.0),
                margin_right: Some(0.0),
                shrink_to_fit: Some(false),
                page_ranges: None,
            };
            with_export_webview(&app, request.html, width, height, |webview| async move {
                print_page(webview, RENDER_TIMEOUT_MS, &options)
                    .await
                    .map_err(|error| error.message)
            })
            .await
        }
        other => Err(format!("Unsupported slide render format: {other}")),
    }
}