Struct DataScannerViewController

Source

pub struct DataScannerViewController;

Implementations§

Source §

impl DataScannerViewController

Source

pub fn support_info() -> Result<AreaSupportInfo, VisionKitError>

Examples found in repository ?

examples/03_data_scanner_view_controller.rs (line 4)

3fn main() -> Result<(), Box<dyn std::error::Error>> {
4    let info = DataScannerViewController::support_info()?;
5    assert!(!info.available_on_current_platform);
6    println!("{} -> {}", info.area, info.availability);
7    println!("reason: {}", info.reason.as_deref().unwrap_or("n/a"));
8    Ok(())
9}

Source

pub fn is_available_on_current_platform() -> Result<bool, VisionKitError>

Examples found in repository ?

examples/02_framework_smoke.rs (line 21)

12fn main() -> Result<(), Box<dyn std::error::Error>> {
13    println!("== VisionKit.framework smoke ==");
14    println!("ImageAnalyzer supported: {}", ImageAnalyzer::is_supported());
15    println!(
16        "document camera available on macOS: {}",
17        VNDocumentCameraViewController::is_available_on_current_platform()?
18    );
19    println!(
20        "data scanner available on macOS: {}",
21        DataScannerViewController::is_available_on_current_platform()?
22    );
23
24    let languages = ImageAnalyzer::supported_text_recognition_languages()?;
25    println!("supported OCR languages: {}", languages.len());
26    println!(
27        "sample OCR languages: {:?}",
28        languages.iter().take(10).collect::<Vec<_>>()
29    );
30
31    if !ImageAnalyzer::is_supported() {
32        println!("ImageAnalyzer is not supported on this Mac");
33        return Ok(());
34    }
35
36    let analyzer = ImageAnalyzer::new()?;
37    let configuration = ImageAnalyzerConfiguration::new(
38        ImageAnalysisTypes::TEXT | ImageAnalysisTypes::MACHINE_READABLE_CODE,
39    )
40    .with_locales(["en-US"]);
41    let asset_path = asset_path();
42    let analysis =
43        analyzer.analyze_image_at_path(&asset_path, ImageOrientation::Up, &configuration)?;
44
45    println!(
46        "has text results: {}",
47        analysis.has_results(ImageAnalysisTypes::TEXT)?
48    );
49    let transcript = analysis.transcript()?;
50    println!("transcript: {transcript:?}");
51
52    let interaction = LiveTextInteraction::new()?;
53    interaction.track_image_at_path(&asset_path)?;
54    interaction.set_analysis(&analysis)?;
55    println!(
56        "overlay preferred types: {}",
57        interaction.preferred_interaction_types()?.bits()
58    );
59    let overlay_text = interaction.text();
60    println!("overlay text: {overlay_text:?}");
61    Ok(())
62}