# main
  * Update to `winit` version `0.28`.
  * Update to `wgpu` version `0.17`.
  * Expose `winit` support for `WindowTouchpadMagnifyEvent` and `WindowTouchpadRotateEvent` on supported platforms.
  * Bump minimum `tch` version to `0.13`.
  * Bump maximum `tch` version to `0.15`.
  * Bump supported `image` version to `0.25`.
  * Preserve order of overlays when removing one.

# v0.13.1 - 2022-09-16
  * Tweak the behavior of `set_overlay` to preserve visibility of existing overlays.
  * Add `window.is_overlay_visible()`.

# v0.13.0 - 2022-09-15
  * Autoselect compatible present mode for all platforms.
  * Change `window.set_outer_position()` to take an `impl Into<glam::IVec2>`.
  * Change `window.set_inner_size()` to take an `impl Into<glam::UVec2>`.
  * Redesign overlay API.
  * Bump maximum `tch` version to `0.8.x`.
  * Use `glam` version `0.20` or `0.21`.
  * Update internal dependencies.

# v0.12.3 - 2022-05-22
  * Add `WindowHandle::set_outer_position`.

# v0.12.2 - 2022-05-22
  * Add fullscreen mode for windows.
  * Fix behavior when a window event handler destroys its window.

# v0.12.1 - 2022-04-15
  * Change `Container` for `image` crate support to accept any `Deref<Target = [u8]` container.

# v0.12.0 - 2022-04-10
  * Delay GPU initialization until first window is created.

# v0.11.0 - 2022-04-08
  * Bump minumum `image` version to `0.24.1`.
  * Bump maximum `tch` version to `0.7.x`.

# v0.10.1 - 2021-11-19
  * Print a message to install Vulkan drivers on Linux when no adapter is found.

# v0.10.0 - 2021-11-13:
  * Update to `wgpu` 0.11 and `glam` 0.20.
  * Require `resolver="2"` or `edition="2021"` due to updated dependencies.

# v0.9.5 - 2021-11-11:
  * Bump maximum `tch` version to 0.6.x.
  * Improve discoverability of `WindowProxy::run_function_wait()` in documentation.

# v0.9.4 - 2021-10-18:
  * Fix a black screen on macOS caused by the image transformation.

# v0.9.3 - 2021-08-28:
  * Add `WindowHandle::effective_transform()` to get the full transformation from image space to virtual window space.

# v0.9.2 - 2021-07-24:
  * Fix horizontal stretching of saved images.

# v0.9.1 - 2021-07-24:
  * Fix cropping image by half a pixel on all sides.

# v0.9.0 - 2021-07-07:
  * Change `WindowHandle` API to provide more efficient access to window properties.
  * `WindowHandle` now guarantees that the referenced window is valid.
  * Prohibit access to `&mut ContextHandle` as long as a `WindowHandle` exists.
  * Rename `show_overlays` property to `overlays_visible`.
  * Fix interpretation of `tch::Tensor` with planar data.
  * Add user configurable image transformation.
  * Add `prev_position` to `MouseMoveEvent`.
  * Add `position` and `prev_position` to `MouseButtonEvent`.
  * Add enabled-by-default mouse controls to pan and zoom images.
  * Use `glam` vectors in public API (and publicly re-export `glam`).
  * Bump allowed `tch` version to 0.5.

# v0.8.5 - 2021-06-19:
  * Update to wgpu `0.9` and winit `0.25`.

# v0.8.4 - 2021-05-13:
  * Fix compatibility with Rust stable.

# v0.8.3 - 2021-05-13:
  * Allow manual rendering back-end selection with the `WGPU_BACKEND` environment variables.
  * Allow manual GPU selection with the `WGPU_POWER_PREF` environment variables.
  * Fix panic when minimizing a window on Windows.

# v0.8.2 - 2021-03-20:
  * Disable some default features of dependencies to reduce dependency tree.
  * Support `tch` versions 0.1.6 through 0.4.0.
  * Update to `wgpu` 0.7.
  * Make sure the process aborts when the main user task does so.

# v0.8.1 - 2021-01-30:
  * Enable `macros` feature by default.
  * Add links in README.

# v0.8.0 - 2021-01-30:
  * Complete rewrite with new API using `winit` and `wgpu` as backend.
  * Ensure macOS compatibility by running the event loop in the main thread.
  * Add support for overlays drawn on top of the main image.

# v0.7.0: 2021-01-30:
  * Add support for showing overlays on top of images.
  * Fold consecutive mouse move events to reduce number of events.
  * Allow registered event handlers to remove themselves.
  * Remove implicit event channel of window handles.
  * Make window handles Clone.
  * Fix the `resizable` window option.
  * Add option to make borderless windows.

# v0.6.5 - 2020-11-26:
  * Support `tch` versions 0.1.6 through 0.3.x.
  * Support `raqote` versions 0.7.14 through 0.8.x.

# v0.6.4 - 2020-08-06:
  * Support `tch` versions 0.1.6 through 0.2.x.

# v0.6.3 - 2020-07-13:
  * Increase timeout on communication with background thread to 1 second.
  * Divide `raqote` images by their alpha component to undo pre-multiplication.

# v0.6.2 - 2020-03-27:
  * Add support for `raqote::DrawTarget` and `raqote::Image`.

# v0.6.1 - 2020-03-26:
  * Update keyboard-types dependency to 0.5.0.
  * Update sdl2 dependency to 0.33.0.

# v0.6.0 - 2020-03-13:
  * Add support for handling mouse events.
  * Replace (data, info, name) tuple for displayed images with a struct.

# v0.5.1 - 2020-02-16:
  * Add `window.add_key_handler`to register asynchronous key handlers.
  * Ignore key events that happened while a window was out of focus.

# v0.5.0 - 2020-02-16:
  * Add `stop()` function to cleanly stop the background thread.
  * Add `window.get_image()` to retrieve the displayed image.
  * Associate a name with displayed images.
  * Expose `save_image()` and `promp_save_image()`.
  * Fix `window.set_image()` for windows on other workspaces.
  * Fix handling Ctrl+S with modifiers like numlock, capslock, etc.

# v0.4.3 - 2020-01-21:
  * Add readme to Cargo manifest.

# v0.4.2 - 2020-01-13:
  * Fix example.
  * Use `assert2` for tests.

# v0.4.1 - 2020-01-10:
  * Allow end-users to save displayed images.
  * Fix display of color images without alpha channel.

# v0.4.0 - 2020-01-07:
  * Remove access to `Context` to simplify API.

# v0.3.0 - 2020-01-06:
  * Change `ImageData` trait to allow consuming images.
  * Implement `ImageData` for tuples of data and `ImageInfo`.
  * Add support for `tch::Tensor`.

# v0.2.0 - 2020-01-05:
  * Rename `make_window` functions to favor the simple functions.

# v0.1.1 - 2020-01-05:
  * Support 8-bit grayscale image data.
  * Preserve aspect ratio of images, if requested.
  * Add easy to use API that uses global context.

# v0.1.0 - 2020-01-05:
  * Initial release.