forked from michael/leanshot
change color of box
This commit is contained in:
Michael Zhang
parent
65ddb21aa2
commit
11e5e8d0d4
3 changed files with 125 additions and 86 deletions
182
src/gui.rs
182
src/gui.rs
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@ -88,11 +88,14 @@ impl GUI {
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use gl;
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use glutin::{
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self, dpi::LogicalSize, ElementState, Event, EventsLoop, GlContext, GlWindow,
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KeyboardInput, MouseButton, MouseCursor, VirtualKeyCode, WindowBuilder, WindowEvent,
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self,
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dpi::LogicalSize,
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os::unix::{WindowBuilderExt, WindowExt, XWindowType},
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ElementState, Event, EventsLoop, GlContext, GlWindow, KeyboardInput, MouseButton,
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MouseCursor, VirtualKeyCode, WindowBuilder, WindowEvent,
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};
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use nanovg::{self, Color, Image, ImagePattern, PathOptions, StrokeOptions};
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use std::{f32::consts, slice};
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use nanovg::{self, Image, ImagePattern, PathOptions, StrokeOptions};
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use std::{f32::consts, mem, slice};
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// let attr = window.get_attributes()?;
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// let width = attr.get_width();
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@ -107,6 +110,7 @@ impl GUI {
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// TODO: handle error
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let wb = WindowBuilder::new()
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.with_x11_window_type(XWindowType::Splash)
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.with_decorations(false)
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.with_always_on_top(true)
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.with_dimensions(LogicalSize::new(width.into(), height.into()))
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@ -114,41 +118,39 @@ impl GUI {
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let ctx = glutin::ContextBuilder::new()
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.with_vsync(false)
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.with_multisampling(4)
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.with_double_buffer(Some(true))
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.with_srgb(true);
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let win = GlWindow::new(wb, ctx, &evl).expect("couldn't make window");
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win.set_position((0.0, 0.0).into());
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let f = win.get_hidpi_factor() as f64;
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// crosshair
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win.set_cursor(MouseCursor::Crosshair);
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// change window type
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{
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use glutin::os::unix::WindowExt;
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use xlib::Atom;
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match win.get_xlib_window() {
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Some(id) => {
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let w = Window::create_from_handle(&self.display, id)?;
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let key = Atom::new(&self.display, "_NET_WM_WINDOW_TYPE", false)?;
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let val = Atom::new(&self.display, "_NET_WM_WINDOW_TYPE_SPLASH", false)?;
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w.change_property(&key, &val);
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}
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_ => (),
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}
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}
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let f = win.get_hidpi_factor() as f64;
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unsafe {
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win.make_current().expect("couldn't make window");
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gl::load_with(|sym| win.get_proc_address(sym) as *const _);
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}
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// win.set_inner_size((width, height).into());
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// println!("size={:?} pos={:?} outer={:?}", win.get_inner_size(), win.get_inner_position(), win.get_outer_size());
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// println!("{:?}", win.get_hidpi_factor());
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let x = Display::from_handle(win.get_xlib_display().unwrap() as u64);
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let len;
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let raw_data;
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{
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let _g = x.grab();
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println!("grabbed");
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// let img = Image2::create_from_drawable(window, 0, 0, 0, width as i32, height as i32, true)?;
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imlib2::context_set_image(&capture);
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let len = (width * height) as usize;
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println!("set contexted");
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len = (width * height) as usize;
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// println!("{}", window.as_raw());
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let raw_data = unsafe { slice::from_raw_parts(imlib2::image_get_data(), len) };
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raw_data = unsafe { slice::from_raw_parts(imlib2::image_get_data(), len) };
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println!("captured");
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unsafe {
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win.make_current().expect("couldn't make window");
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gl::load_with(|sym| win.get_proc_address(sym) as *const _);
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}
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println!("maked");
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}
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mem::forget(x);
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// convert ARGB to RGBA
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let mut data = vec![0u32; raw_data.len()];
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@ -158,6 +160,14 @@ impl GUI {
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*i = (*i & 0xff00ff00) | ((*i & 0xff) << 16) | ((*i >> 16) & 0xff);
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}
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// invert image
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let mut inverted = vec![0u32; raw_data.len()];
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inverted.copy_from_slice(raw_data);
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for i in &mut inverted {
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// fix the colors
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*i = (*i & 0xff000000) | !(*i & 0xffffff);
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}
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let ctx = nanovg::ContextBuilder::new()
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.build()
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.expect("couldn't init nanovg");
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@ -166,6 +176,10 @@ impl GUI {
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.build_from_rgba(width as usize, height as usize, data.as_slice())
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.expect("couldn't create image");
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let inverted_image = Image::new(&ctx)
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.build_from_rgba(width as usize, height as usize, inverted.as_slice())
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.expect("couldn't create image");
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let mut running = true;
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let mut down = false;
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// drag start
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@ -178,8 +192,66 @@ impl GUI {
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let mut rectw = 0.0f64;
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let mut recth = 0.0f64;
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let mut delayed_down = false;
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while running {
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let mut redraw = true;
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while running {
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if redraw {
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// let size = win.get_inner_size().unwrap();
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// let (width, height) = (size.width as i32, size.height as i32);
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unsafe {
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gl::Viewport(0, 0, width as i32, height as i32);
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gl::ClearColor(0.3, 0.3, 0.32, 1.0);
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gl::Clear(gl::COLOR_BUFFER_BIT | gl::DEPTH_BUFFER_BIT | gl::STENCIL_BUFFER_BIT);
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}
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let (width, height) = (width as f64, height as f64);
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ctx.frame((width as f32, height as f32), f as f32, |frame| {
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let path_opts = PathOptions::default();
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frame.path(
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|path| {
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path.rect((0.0, 0.0), ((width * f) as f32, (height * f) as f32));
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// path.fill(Color::from_rgba(200, 200, 200, 255), Default::default());
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path.fill(
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ImagePattern {
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image: &image,
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origin: (0.0, 0.0),
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size: (width as f32, height as f32),
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angle: 0.0 / 180.0 * consts::PI,
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alpha: 1.0,
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},
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Default::default(),
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)
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},
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path_opts,
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);
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if down && rectw.abs() > 0.0 && recth.abs() > 0.0 {
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frame.path(
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|path| {
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path.rect(
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((dx * f) as f32, (dy * f) as f32),
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((rectw * f) as f32, (recth * f) as f32),
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);
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path.stroke(
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// Color::from_rgba(0, 0, 0, 255),
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ImagePattern {
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image: &inverted_image,
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origin: (0.0, 0.0),
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size: (width as f32, height as f32),
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angle: 0.0 / 180.0 * consts::PI,
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alpha: 1.0,
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},
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StrokeOptions {
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width: 1.0,
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..Default::default()
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},
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);
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},
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path_opts,
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);
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}
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});
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}
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evl.poll_events(|event| match event {
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Event::WindowEvent { event, .. } => match event {
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WindowEvent::CloseRequested | WindowEvent::Destroyed => running = false,
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@ -243,60 +315,6 @@ impl GUI {
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_ => (),
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});
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if !redraw {
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// don't do anything if it's not moved
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continue;
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}
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// let size = win.get_inner_size().unwrap();
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// let (width, height) = (size.width as i32, size.height as i32);
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unsafe {
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gl::Viewport(0, 0, width as i32, height as i32);
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gl::ClearColor(0.3, 0.3, 0.32, 1.0);
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gl::Clear(gl::COLOR_BUFFER_BIT | gl::DEPTH_BUFFER_BIT | gl::STENCIL_BUFFER_BIT);
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}
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let (width, height) = (width as f64, height as f64);
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ctx.frame((width as f32, height as f32), f as f32, |frame| {
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let path_opts = PathOptions::default();
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frame.path(
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|path| {
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path.rect((0.0, 0.0), ((width * f) as f32, (height * f) as f32));
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// path.fill(Color::from_rgba(200, 200, 200, 255), Default::default());
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path.fill(
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ImagePattern {
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image: &image,
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origin: (0.0, 0.0),
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size: (width as f32, height as f32),
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angle: 0.0 / 180.0 * consts::PI,
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alpha: 1.0,
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},
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Default::default(),
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)
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},
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path_opts,
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);
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if down && rectw.abs() > 0.0 && recth.abs() > 0.0 {
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frame.path(
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|path| {
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path.rect(
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((dx * f) as f32, (dy * f) as f32),
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((rectw * f) as f32, (recth * f) as f32),
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);
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path.stroke(
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Color::from_rgba(0, 0, 0, 255),
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StrokeOptions {
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width: 2.0,
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..Default::default()
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},
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);
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},
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path_opts,
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);
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}
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});
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win.swap_buffers().expect("couldn't swap buffers");
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}
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if rectw.abs() > 0.0 && recth.abs() > 0.0 {
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@ -10,6 +10,8 @@ pub struct Display {
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inner: *mut x::Display,
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}
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pub struct Grab(pub(crate) *mut x::Display);
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/// Something that's part of a display.
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pub trait GetDisplay {
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/// Get the current display
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@ -30,6 +32,19 @@ impl Display {
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Ok(Display { inner })
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}
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/// Create a Display for an existing connection
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pub fn from_handle(handle: u64) -> Self {
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Display {
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inner: handle as *mut x::Display,
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}
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}
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/// Grab
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pub fn grab(&self) -> Grab {
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unsafe { x::XGrabServer(self.inner) };
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Grab(self.inner)
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}
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/// Wrapper around XCreateFontCursor
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pub fn create_font_cursor(&self, shape: u32) -> Result<Cursor, X11Error> {
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let cursor = unsafe { x::XCreateFontCursor(self.inner, shape) as x::Cursor };
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@ -152,3 +167,9 @@ impl Drop for Display {
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unsafe { x::XCloseDisplay(self.inner) };
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}
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}
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impl Drop for Grab {
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fn drop(&mut self) {
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unsafe { x::XUngrabServer(self.0) };
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}
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}
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@ -25,7 +25,7 @@ mod cursorfont;
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pub use atom::Atom;
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pub use cursor::Cursor;
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pub use cursorfont::*;
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pub use display::{Display, GetDisplay};
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pub use display::{Display, GetDisplay, Grab};
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pub use drawable::Drawable;
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pub use errors::X11Error;
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pub use event::{Event, EventKind};
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