make corrections (#122)

Author: kirawi

mupdf-sys/wrapper.c

@@ -722,7 +722,7 @@ fz_rect mupdf_bound_page(fz_context *ctx, fz_page *page, mupdf_error_t **errptr)
     return rect;
 }
 
-fz_pixmap *mupdf_page_to_pixmap(fz_context *ctx, fz_page *page, fz_matrix ctm, fz_colorspace *cs, float alpha, bool show_extras, mupdf_error_t **errptr)
+fz_pixmap *mupdf_page_to_pixmap(fz_context *ctx, fz_page *page, fz_matrix ctm, fz_colorspace *cs, bool alpha, bool show_extras, mupdf_error_t **errptr)
 {
     fz_pixmap *pixmap = NULL;
     fz_try(ctx)

src/document.rs

@@ -56,8 +56,21 @@ impl Document {
         Self { inner: ptr }
     }
 
-    pub fn open(filename: &str) -> Result<Self, Error> {
-        let c_name = CString::new(filename)?;
+    pub fn open<P: AsRef<std::path::Path>>(p: P) -> Result<Self, Error> {
+        // Must be UTF8 on Windows
+        #[cfg(windows)]
+        let raw = match <&str>::try_from(p.as_ref().as_os_str()) {
+            Ok(s) => s,
+            Err(e) => {
+                use std::io::{self, ErrorKind};
+                let err = Error::Io(io::Error::new(ErrorKind::Other, e));
+                return Err(err);
+            }
+        };
+
+        #[cfg(not(windows))]
+        let raw = p.as_ref().as_os_str().as_encoded_bytes();
+        let c_name = CString::new(raw)?;
         unsafe { ffi_try!(mupdf_open_document(context(), c_name.as_ptr())) }
             .map(|inner| Self { inner })
     }

src/page.rs

@@ -50,7 +50,7 @@ impl Page {
         &self,
         ctm: &Matrix,
         cs: &Colorspace,
-        alpha: f32,
+        alpha: bool,
         show_extras: bool,
     ) -> Result<Pixmap, Error> {
         unsafe {

tests/test_issues.rs

@@ -8,7 +8,7 @@ fn test_issue_16_pixmap_to_png() {
     let page = document.load_page(0).unwrap();
     let matrix = Matrix::new_scale(72f32 / 72f32, 72f32 / 72f32);
     let pixmap = page
-        .to_pixmap(&matrix, &Colorspace::device_rgb(), 0.0, true)
+        .to_pixmap(&matrix, &Colorspace::device_rgb(), false, true)
         .unwrap();
     pixmap
         .save_as("tests/output/test.png", ImageFormat::PNG)