ralpha / pdf_signing Goto Github PK

 doc_new
      .add_signature_to_form(img.as_bytes(), "image", page_id, form_id)
      .unwrap();

error: failed to select a version for the requirement `lopdf = "^0.27.0"`
candidate versions found which didn't match: 0.29.0
location searched: Git repository https://github.com/J-F-Liu/lopdf?branch=master
required by package `pdf_signing v0.1.0 (/path/to/project/folder)`

error[E0631]: type mismatch in function arguments
   --> src/image_xobject.rs:172:73
    |
172 |         let bbox: lopdf::Object = Array(identity_matrix.into_iter().map(Real).collect());
    |                                                                     --- ^^^^
    |                                                                     |   |
    |                                                                     |   expected due to this
    |                                                                     |   found signature defined here
    |                                                                     required by a bound introduced by this call
    |
    = note: expected function signature `fn(f64) -> _`
               found function signature `fn(f32) -> _`
note: required by a bound in `map`
   --> /home/egovridc/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/traits/iterator.rs:779:12
    |
779 |         F: FnMut(Self::Item) -> B,
    |            ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `map`

error[E0599]: the method `collect` exists for struct `std::iter::Map<std::vec::IntoIter<f64>, fn(f32) -> lopdf::Object {lopdf::Object::Real}>`, but its trait bounds were not satisfied
   --> src/image_xobject.rs:172:79
    |
172 |         let bbox: lopdf::Object = Array(identity_matrix.into_iter().map(Real).collect());
    |                                                                               ^^^^^^^ method cannot be called on `std::iter::Map<std::vec::IntoIter<f64>, fn(f32) -> lopdf::Object {lopdf::Object::Real}>` due to unsatisfied trait bounds
    |
   ::: /home/egovridc/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/iter/adapters/map.rs:61:1
    |
61  | pub struct Map<I, F> {
    | -------------------- doesn't satisfy `_: Iterator`
    |
    = note: the following trait bounds were not satisfied:
            `<fn(f32) -> lopdf::Object {lopdf::Object::Real} as FnOnce<(f64,)>>::Output = _`
            which is required by `std::iter::Map<std::vec::IntoIter<f64>, fn(f32) -> lopdf::Object {lopdf::Object::Real}>: Iterator`
            `fn(f32) -> lopdf::Object {lopdf::Object::Real}: FnMut<(f64,)>`
            which is required by `std::iter::Map<std::vec::IntoIter<f64>, fn(f32) -> lopdf::Object {lopdf::Object::Real}>: Iterator`
            `std::iter::Map<std::vec::IntoIter<f64>, fn(f32) -> lopdf::Object {lopdf::Object::Real}>: Iterator`
            which is required by `&mut std::iter::Map<std::vec::IntoIter<f64>, fn(f32) -> lopdf::Object {lopdf::Object::Real}>: Iterator`

error[E0599]: no method named `as_f64` found for enum `lopdf::Object` in the current scope
   --> src/signature_image.rs:134:47
    |
134 | ...                   x1: child_rect[0].as_f64()?,
    |                                         ^^^^^^ help: there is an associated function with a similar name: `as_i64`

error[E0599]: no method named `as_f64` found for enum `lopdf::Object` in the current scope
   --> src/signature_image.rs:135:47
    |
135 | ...                   y1: child_rect[1].as_f64()?,
    |                                         ^^^^^^ help: there is an associated function with a similar name: `as_i64`

error[E0599]: no method named `as_f64` found for enum `lopdf::Object` in the current scope
   --> src/signature_image.rs:136:47
    |
136 | ...                   x2: child_rect[2].as_f64()?,
    |                                         ^^^^^^ help: there is an associated function with a similar name: `as_i64`

error[E0599]: no method named `as_f64` found for enum `lopdf::Object` in the current scope
   --> src/signature_image.rs:137:47
    |
137 | ...                   y2: child_rect[3].as_f64()?,
    |                                         ^^^^^^ help: there is an associated function with a similar name: `as_i64`

Some errors have detailed explanations: E0599, E0631.
For more information about an error, try `rustc --explain E0599`.
error: could not compile `pdf_signing` due to 6 previous errors