objc2-quick-look 0.3.2

Bindings to the QuickLook framework
Documentation 
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//! This file has been automatically generated by `objc2`'s `header-translator`.
//! DO NOT EDIT
use core::ptr::NonNull;
use objc2_core_foundation::*;
#[cfg(feature = "objc2-core-graphics")]
use objc2_core_graphics::*;

use crate::*;

#[cfg(feature = "QLThumbnail")]
impl QLThumbnail {
    /// Creates a thumbnail for the designated file. Returns NULL if Quick Look does not support this file type.
    ///
    /// Parameter `allocator`: The allocator to use to create the image.
    ///
    /// Parameter `url`: The URL to the file.
    ///
    /// Parameter `maxThumbnailSize`: The maximum desired size.
    ///
    /// Parameter `options`: See options below.
    ///
    /// Returns: The thumbnail image. NULL if not available.
    ///
    /// QLThumbnailImageCreate() does not replace IconServices.
    /// Also QLThumbnailImageCreate() will block until the thumbnail is generated so you should consider calling it in a thread.
    ///
    /// # Safety
    ///
    /// - `allocator` might not allow `None`.
    /// - `url` might not allow `None`.
    /// - `options` generics must be of the correct type.
    /// - `options` might not allow `None`.
    #[doc(alias = "QLThumbnailImageCreate")]
    #[cfg(feature = "objc2-core-graphics")]
    #[deprecated = "Use QuickLookThumbnailing to generate thumbnails for files."]
    #[inline]
    pub unsafe fn image_create(
        allocator: Option<&CFAllocator>,
        url: Option<&CFURL>,
        max_thumbnail_size: CGSize,
        options: Option<&CFDictionary>,
    ) -> Option<CFRetained<CGImage>> {
        extern "C-unwind" {
            fn QLThumbnailImageCreate(
                allocator: Option<&CFAllocator>,
                url: Option<&CFURL>,
                max_thumbnail_size: CGSize,
                options: Option<&CFDictionary>,
            ) -> Option<NonNull<CGImage>>;
        }
        let ret = unsafe { QLThumbnailImageCreate(allocator, url, max_thumbnail_size, options) };
        ret.map(|ret| unsafe { CFRetained::from_raw(ret) })
    }
}

extern "C" {
    /// If kCFBooleanTrue, QL will produce an icon (ie a thumbnail and all the icon decor, like shadows, curled corner, etc.).
    ///
    /// See also [Apple's documentation](https://developer.apple.com/documentation/quicklook/kqlthumbnailoptioniconmodekey?language=objc)
    pub static kQLThumbnailOptionIconModeKey: Option<&'static CFString>;
}

extern "C" {
    /// This is the user scale factor (as a CFNumber). If absent, default value is 1.0
    ///
    /// See also [Apple's documentation](https://developer.apple.com/documentation/quicklook/kqlthumbnailoptionscalefactorkey?language=objc)
    pub static kQLThumbnailOptionScaleFactorKey: Option<&'static CFString>;
}

#[cfg(feature = "objc2-core-graphics")]
#[deprecated = "renamed to `QLThumbnail::image_create`"]
#[inline]
pub unsafe extern "C-unwind" fn QLThumbnailImageCreate(
    allocator: Option<&CFAllocator>,
    url: Option<&CFURL>,
    max_thumbnail_size: CGSize,
    options: Option<&CFDictionary>,
) -> Option<CFRetained<CGImage>> {
    extern "C-unwind" {
        fn QLThumbnailImageCreate(
            allocator: Option<&CFAllocator>,
            url: Option<&CFURL>,
            max_thumbnail_size: CGSize,
            options: Option<&CFDictionary>,
        ) -> Option<NonNull<CGImage>>;
    }
    let ret = unsafe { QLThumbnailImageCreate(allocator, url, max_thumbnail_size, options) };
    ret.map(|ret| unsafe { CFRetained::from_raw(ret) })
}