From 2bb6d82f555206aafb5e9eb7c4c3f12058af75aa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebasti=C3=A1n=20Aedo?= <saedo@alumnos.inf.utfsm.cl>
Date: Sat, 29 Aug 2020 20:48:00 -0400
Subject: [PATCH] Added --to-clipboard to windows

---
 Cargo.toml |  1 +
 src/bin.rs | 18 ++++++++++++++----
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 65878bc..ba04edc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,6 +31,7 @@ pasteboard = "0.1.1"
 
 [target.'cfg(target_os = "windows")'.dependencies]
 clipboard-win = "4.0.2"
+image = { version = "0.23", default-features = false, features = ["jpeg", "bmp", "jpeg_rayon", "png"] }
 
 [dependencies.image]
 version = "0.23"
diff --git a/src/bin.rs b/src/bin.rs
index 852c988..80c4660 100644
--- a/src/bin.rs
+++ b/src/bin.rs
@@ -12,7 +12,7 @@ use syntect::easy::HighlightLines;
 use syntect::util::LinesWithEndings;
 #[cfg(target_os = "windows")]
 use {
-    clipboard_win::{formats::RawData, set_clipboard},
+    clipboard_win::{formats, Clipboard, Setter},
     image::ImageOutputFormat,
 };
 #[cfg(target_os = "macos")]
@@ -57,9 +57,19 @@ pub fn dump_image_to_clipboard(image: &DynamicImage) -> Result<(), Error> {
 #[cfg(target_os = "windows")]
 pub fn dump_image_to_clipboard(image: &DynamicImage) -> Result<(), Error> {
     let mut temp: Vec<u8> = Vec::new();
-    image.write_to(&mut temp, ImageOutputFormat::Png)?;
-    set_clipboard(RawData(49488), &temp)
-        .map_err(|e| format_err!("Failed to access clipboard {}", e))?;
+
+    // Convert the image to RGB without alpha because the clipboard
+    // of windows doesn't support it.
+    let image = DynamicImage::ImageRgb8(image.to_rgb());
+
+    image.write_to(&mut temp, ImageOutputFormat::Bmp)?;
+
+    let _clip =
+        Clipboard::new_attempts(10).map_err(|e| format_err!("Couldn't open clipboard: {}", e));
+
+    formats::Bitmap
+        .write_clipboard(&temp)
+        .map_err(|e| format_err!("Failed copy image: {}", e));
     Ok(())
 }