From 49adf62ee4a8846aa09f0975f29070fc2ae986be Mon Sep 17 00:00:00 2001 From: Michael Zhang Date: Sun, 13 May 2018 16:42:19 -0500 Subject: [PATCH] initial --- .gitignore | 2 + Cargo.lock | 504 +++++++++++++++++++++++++++++++++++ Cargo.toml | 15 ++ LICENSE | 674 +++++++++++++++++++++++++++++++++++++++++++++++ README.md | 11 + src/build.rs | 7 + src/capture.rs | 76 ++++++ src/errors.rs | 13 + src/main.rs | 78 ++++++ src/options.rs | 28 ++ src/selection.rs | 29 ++ 11 files changed, 1437 insertions(+) create mode 100644 .gitignore create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 LICENSE create mode 100644 README.md create mode 100644 src/build.rs create mode 100644 src/capture.rs create mode 100644 src/errors.rs create mode 100644 src/main.rs create mode 100644 src/options.rs create mode 100644 src/selection.rs diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..53eaa21 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +/target +**/*.rs.bk 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Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + screenshot + Copyright (C) 2018 Michael Zhang + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + screenshot Copyright (C) 2018 Michael Zhang + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/README.md b/README.md new file mode 100644 index 0000000..4f88e6a --- /dev/null +++ b/README.md @@ -0,0 +1,11 @@ +screenshot +========== + +Screenshot-capturing utility. Selection isn't fully implemented, so it's disabled for now. + +Contact +------- + +Author: Michael Zhang + +License: GNU GPL v3 diff --git a/src/build.rs b/src/build.rs new file mode 100644 index 0000000..fe3a75f --- /dev/null +++ b/src/build.rs @@ -0,0 +1,7 @@ +extern crate cmake; + +fn main() { + let dst = cmake::build("libscreenshot"); + println!("cargo:rustc-link-lib=static=screenshot"); + println!("cargo:rustc-link-search=native={}/libs", dst.display()); +} diff --git a/src/capture.rs b/src/capture.rs new file mode 100644 index 0000000..a738a52 --- /dev/null +++ b/src/capture.rs @@ -0,0 +1,76 @@ +use std::fs::File; + +use cairo::{Context, Format, ImageSurface}; +use failure::Error; +use gdk::prelude::*; +use gdk::{ContextExt, Display, DisplayExt, Screen, ScreenExt, Window as GdkWindow, WindowExt}; +use gdk_pixbuf::Pixbuf; +use gtk::{Clipboard, ClipboardExt}; + +use errors::ScreenshotError; +use options::{Options, Region}; +use selection::select_area; + +pub fn capture(options: Options) -> Result<(), Error> { + let display; + let screen; + match (Display::get_default(), Screen::get_default()) { + (Some(d), Some(s)) => { + display = d; + screen = s; + } + _ => { + bail!("Failed to open screen and display."); + } + } + + display.sync(); + + // first, choose the window + let window_opt = match options.region { + Region::Fullscreen | Region::Selection => screen.get_root_window(), + Region::ActiveWindow => screen.get_active_window(), + }; + let window: GdkWindow; + match window_opt { + Some(window_) => window = window_, + None => bail!("Failed to locate root window."), + } + + // take a screenshot of it + let width: i32 = window.get_width(); + let height: i32 = window.get_height(); + let pixbuf: Pixbuf = match window.get_pixbuf(0, 0, width, height) { + Some(pixbuf) => Ok(pixbuf), + None => Err(ScreenshotError), + }?; + + // launch selection + // let pixbuf = match options.region { + // Region::Selection => select_area(pixbuf)?, + // _ => pixbuf, + // }; + + // create and draw to the surface + let surface = match ImageSurface::create(Format::Rgb24, width, height) { + Ok(surface) => Ok(surface), + Err(_status) => Err(ScreenshotError), + }?; + let ctx = Context::new(&surface); + ctx.set_source_pixbuf(&pixbuf, 0.0, 0.0); + ctx.paint(); + + // write surface to file + let mut file = File::create(options.outfile)?; + surface.write_to_png(&mut file)?; + + if options.clip { + match Clipboard::get_default(&display) { + Some(clipboard) => { + clipboard.set_image(&pixbuf); + } + None => (), + } + } + Ok(()) +} diff --git a/src/errors.rs b/src/errors.rs new file mode 100644 index 0000000..df24809 --- /dev/null +++ b/src/errors.rs @@ -0,0 +1,13 @@ +use std::error::Error; +use std::fmt; + +#[derive(Debug)] +pub struct ScreenshotError; + +impl fmt::Display for ScreenshotError { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + write!(f, "error") + } +} + +impl Error for ScreenshotError {} diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..2daec18 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,78 @@ +#![crate_name = "screenshot"] +#![crate_type = "bin"] + +extern crate cairo; +extern crate clap; +#[macro_use] +extern crate failure; +extern crate gdk; +extern crate gdk_pixbuf; +extern crate gtk; + +mod capture; +mod errors; +mod options; +mod selection; + +use std::path::PathBuf; +use std::process::exit; + +use clap::{App, Arg}; +use failure::Error; + +use options::{Options, Region}; + +fn main() { + match run() { + Ok(()) => (), + Err(error) => { + eprintln!("Error: {}", error); + exit(1); + } + } +} + +fn run() -> Result<(), Error> { + let app = App::new("screenshot") + .version("0.1") + .arg( + Arg::with_name("region") + .help("The region to be captured.") + .takes_value(false) + .required(true), + ) + .arg( + Arg::with_name("output") + .alias("o") + .long("output") + .help("Specify the output file.") + .takes_value(true) + .required(true), + ) + .arg( + Arg::with_name("clip") + .alias("c") + .long("clip") + .help("Copies the image to the clipboard if set."), + ) + .get_matches(); + let region = match app.value_of("region").unwrap() { + "fullscreen" => Region::Fullscreen, + "active" | "window" => Region::ActiveWindow, + "select" | "selection" => Region::Selection, + _ => bail!("Please choose a valid region [fullscreen|active|select]"), + }; + let path = PathBuf::from(app.value_of("output").unwrap()); + let clip = app.is_present("clip"); + let options = Options::new(region, path, clip)?; + + gdk::init(); + gtk::init()?; + capture::capture(options)?; + // unsafe { + // libscreenshot_main(region, outfile_c.as_ptr()); + // } + // let image = capture(options)?.convert()?; + // image.save("target/shiet.png")?; + Ok(()) +} diff --git a/src/options.rs b/src/options.rs new file mode 100644 index 0000000..31e7052 --- /dev/null +++ b/src/options.rs @@ -0,0 +1,28 @@ +use std::fs::{canonicalize, OpenOptions}; +use std::path::PathBuf; + +use failure::Error; + +pub enum Region { + Fullscreen, + ActiveWindow, + Selection, +} + +pub struct Options { + pub region: Region, + pub outfile: PathBuf, + pub clip: bool, +} + +impl Options { + pub fn new(region: Region, outfile: PathBuf, clip: bool) -> Result { + OpenOptions::new().create(true).write(true).open(&outfile)?; + let outfile = canonicalize(&outfile)?; + Ok(Options { + region, + outfile, + clip, + }) + } +} diff --git a/src/selection.rs b/src/selection.rs new file mode 100644 index 0000000..8c9af6f --- /dev/null +++ b/src/selection.rs @@ -0,0 +1,29 @@ +use failure::Error; +use gdk::ContextExt; +use gdk_pixbuf::Pixbuf; +use gtk::{ + self, ContainerExt, DrawingArea, GtkWindowExt, Inhibit, WidgetExt, Window as GtkWindow, + WindowType, +}; + +pub fn select_area(pixbuf: Pixbuf) -> Result { + let window = GtkWindow::new(WindowType::Popup); + let mut pixbuf2 = pixbuf.clone(); + let drawing_area = Box::new(DrawingArea::new)(); + drawing_area.connect_draw(move |_, cr| { + cr.set_source_pixbuf(&pixbuf, 0.0, 0.0); + cr.paint(); + + Inhibit(false) + }); + window.add(&drawing_area); + + window.connect_key_release_event(|_, key| { + println!("{:?}", key.get_keyval()); + Inhibit(false) + }); + + window.show_all(); + gtk::main(); + Ok(pixbuf2) +}