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#![allow(non_snake_case)]
use crate::co;
use crate::decl::*;
use crate::guard::*;
use crate::ole::privs::*;
use crate::oleaut::ffi;
use crate::prelude::*;
/// [`OleLoadPicture`](https://learn.microsoft.com/en-us/windows/win32/api/olectl/nf-olectl-oleloadpicture)
/// function.
///
/// # Examples
///
/// Parsing an image from raw data:
///
/// ```no_run
/// use winsafe::{self as w, prelude::*};
///
/// let stream: w::IStream; // initialized somewhere
/// # let stream = unsafe { w::IStream::null() };
///
/// let picture = w::OleLoadPicture(&stream, None, true)?;
/// # w::HrResult::Ok(())
/// ```
///
/// # Related functions
///
/// * [`OleLoadPicturePath`](crate::OleLoadPicturePath)
#[must_use]
pub fn OleLoadPicture(
stream: &impl ole_IStream,
size: Option<u32>,
keep_original_format: bool,
) -> HrResult<IPicture>
{
let mut queried = unsafe { IPicture::null() };
ok_to_hrresult(
unsafe {
ffi::OleLoadPicture(
stream.ptr() as _,
size.unwrap_or_default() as _,
!keep_original_format as _, // note: reversed
&IPicture::IID as *const _ as _,
queried.as_mut(),
)
},
).map(|_| queried)
}
/// [`OleLoadPicturePath`](https://learn.microsoft.com/en-us/windows/win32/api/olectl/nf-olectl-oleloadpicturepath)
/// function.
///
/// The picture must be in BMP (bitmap), JPEG, WMF (metafile), ICO (icon), or
/// GIF format.
///
/// # Related functions
///
/// * [`OleLoadPicture`](crate::OleLoadPicture)
#[must_use]
pub fn OleLoadPicturePath(
path: &str,
transparent_color: Option<COLORREF>,
) -> HrResult<IPicture>
{
let mut queried = unsafe { IPicture::null() };
ok_to_hrresult(
unsafe {
ffi::OleLoadPicturePath(
WString::from_str(path).as_ptr(),
std::ptr::null_mut(),
0,
transparent_color.map_or(0, |c| c.into()),
&IPicture::IID as *const _ as _,
queried.as_mut(),
)
},
).map(|_| queried)
}
/// [`PSGetNameFromPropertyKey`](https://learn.microsoft.com/en-us/windows/win32/api/propsys/nf-propsys-psgetnamefrompropertykey)
/// function.
#[must_use]
pub fn PSGetNameFromPropertyKey(prop_key: &PROPERTYKEY) -> HrResult<String> {
let mut pstr = std::ptr::null_mut::<u16>();
ok_to_hrresult(
unsafe {
ffi::PSGetNameFromPropertyKey(
prop_key as *const _ as _,
&mut pstr,
)
},
).map(|_| {
let name = unsafe { WString::from_wchars_nullt(pstr) };
let _ = unsafe { CoTaskMemFreeGuard::new(pstr as _, 0) };
name.to_string()
})
}
/// [`SystemTimeToVariantTime`](https://learn.microsoft.com/en-us/windows/win32/api/oleauto/nf-oleauto-systemtimetovarianttime)
/// function.
///
/// Note that this function resolves the time to one second; milliseconds are
/// ignored.
///
/// # Related functions
///
/// * [`VariantTimeToSystemTime`](crate::VariantTimeToSystemTime)
#[must_use]
pub fn SystemTimeToVariantTime(st: &SYSTEMTIME) -> SysResult<f64> {
let mut double = f64::default();
match unsafe {
ffi::SystemTimeToVariantTime(st as *const _ as _, &mut double)
} {
0 => Err(co::ERROR::INVALID_PARAMETER),
_ => Ok(double),
}
}
/// [`VariantTimeToSystemTime`](https://learn.microsoft.com/en-us/windows/win32/api/oleauto/nf-oleauto-varianttimetosystemtime)
/// function.
///
/// # Related functions
///
/// * [`SystemTimeToVariantTime`](crate::SystemTimeToVariantTime)
#[must_use]
pub fn VariantTimeToSystemTime(var_time: f64) -> SysResult<SYSTEMTIME> {
let mut st = SYSTEMTIME::default();
match unsafe {
ffi::VariantTimeToSystemTime(var_time, &mut st as *mut _ as _)
} {
0 => Err(co::ERROR::INVALID_PARAMETER),
_ => Ok(st),
}
}