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242 lines
14 KiB
Markdown
242 lines
14 KiB
Markdown
This document attempts to list user-visible changes and any major internal
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rearrangements of Notcurses.
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* 1.5.2 (not yet released)
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* The `ncneofetch` program has been added, of no great consequence.
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* A `NULL` value can now be passed as `sbytes` to `ncplane_puttext()`.
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* `ncdirect_render_image()` has been added, allowing images to be
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rendered in direct mode.
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* `ncvisual_geom()` now takes scaling into account.
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* 1.5.1 (2020-07-15)
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* The semantics of rendering have changed slightly. In 1.5.0 and prior
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versions, a cell without a glyph was replaced *in toto* by that plane's
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base cell at rendering time. The replacement is now tripartite: if there
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is no glyph, the base cell's glyph is used; if there is a default
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foreground, the base cell's foreground is used; if there is a default
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background, the base cell's background is used. This will hopefully be
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more intuitive, and allows a plane to effect overlays of varying colors
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without needing to override glyphs (#395).
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* `ncvisual_geom()`'s `ncblitter_e` argument has been replaced with a
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`const struct ncvisual_options*`, so that `NCVISUAL_OPTIONS_NODEGRADE`
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can be taken into account (the latter contains a `blitter_e` field).
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* Added `ncuplot_sample()` and `ncdplot_sample()`, allowing retrieval of
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sample data from `ncuplot`s and `ncdplot`s, respectively.
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* Added convenience function `ncplane_home()`, which sets the cursor
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to the plane's origin (and returns `void`, since it cannot fail).
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* `ncplane_qrcode()` now accepts an `ncblitter_e`, and two value-result
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`int*`s `ymax` and `xmax`. The actual size of the drawn code is
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returned in these parameters.
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* 1.5.0 (2020-07-08)
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* The various `bool`s of `struct notcurses_options` have been folded into
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that `struct`'s `flags` field. Each `bool` has its own `NCOPTION_`.
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* Added a Pixel API for working directly with the contents of `ncvisual`s,
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including `ncvisual_at_yx()` and `ncvisual_set_yx()`.
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* Added `ncplane_puttext()` for writing multiline, line-broken text.
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* Added `ncplane_putnstr()`, `ncplane_putnstr_yx()`, and
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`ncplane_putnstr_aligned()` for byte-limited output of UTF-8.
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* 1.4.5 (2020-06-04)
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* `ncblit_rgba()` and `ncblit_bgrx()` have replaced most of their arguments
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with a `const struct ncvisual_options*`. `NCBLIT_DEFAULT` will use
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`NCBLITTER_2x1` (with fallback) in this context. The `->n` field must
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be non-`NULL`--new planes will not be created.
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* Added `ncplane_notcurses_const()`.
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* 1.4.4.1 (2020-06-01)
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* Got the `ncvisual` API ready for API freeze: `ncvisual_render()` and
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`ncvisual_stream()` now take a `struct ncvisual_options`. `ncstyle_e`
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and a few other parameters have been moved within. Both functions now
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take a `struct notcurses*`. The `struct ncvisual_options` includes a
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`ncblitter_e` field, allowing visuals to be mapped to various plotting
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paradigms including Sixel, Braille and quadrants. Not all backends have
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been implemented, and not all implementations are in their final form.
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`CELL_ALPHA_BLEND` can now be used for translucent visuals.
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* Added `ncvisual_geom()`, providing access to an `ncvisual` size and
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its pixel-to-cell blitting ratios.
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* Deprecated functions `ncvisual_open_plane()` and `ncplane_visual_open()`
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have been removed. Their functionality is present in
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`ncvisual_from_file()`. The function `ncvisual_plane()` no longer has
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any meaning, and has been removed.
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* The `fadecb` typedef now accepts as its third argument a `const struct
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timespec`. This is the absolute deadline through which the frame ought
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be displayed. New functions have been added to the Fade API: like the
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changes to `ncvisual_stream()`, this gives more flexibility, and allows
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more precise timing. All old functions remain available.
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* 1.4.3 (2020-05-22)
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* Plot: make 8x1 the default, instead of 1x1.
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* Add `PREFIXFMT`, `BPREFIXFMT`, and `IPREFIXFMT` macros for `ncmetric()`.
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In order to properly use `printf(3)`'s field width capability, these
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macros must be used. This is necessary to support 'µ' (micro).
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* C++'s NotCurses constructor now passes a `nullptr` directly through to
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`notcurses_init()`, rather than replacing it with `stdout`.
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* Added `USE_STATIC` CMake option, defaulting to `ON`. If turned `OFF`,
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static libraries will not be built.
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* 1.4.2.4 (2020-05-20)
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* Removed `ncplane_move_above_unsafe()` and `ncplane_move_below_unsafe()`;
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all z-axis moves are now safe. Z-axis moves are all now O(1), rather
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than the previous O(N).
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* 1.4.2.3 (2020-05-17)
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* Added `notcurses_canutf8()`, to verify use of UTF-8 encoding.
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* Fixed bug in `ncvisual_from_plane()` when invoked on the standard plane.
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* `ncvisual_from_plane()` now accepts the same four geometric parameters
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as other plane selectors. To reproduce the old behavior, for `ncv`, call
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it as `ncvisual_from_plane(ncv, 0, 0, -1, -1)`.
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* `ncvisual_from_plane()`, `ncplane_move_below_unsafe()`, `ncplane_dup()`,
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and `ncplane_move_above_unsafe()` now accept `const` arguments where they
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did not before.
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* `notcurses_canopen()` has been split into `notcurses_canopen_images()` and
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`notcurses_canopen_videos()`.
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* `ncmetric()` now uses multibyte suffixes (particularly for the case of
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'µ', i.e. micro). This has changed the values of `PREFIXSTRLEN` and
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friends. So long as you were using `PREFIXSTRLEN`, this should require
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only a recompile. If you were using `PREFIXSTRLEN` in a formatted output
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context to count columns, you must change to `PREFIXCOLUMNS` etc.
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* The `streamcb` type definition now accepts a `const struct timespec*` as
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its third argument. This is the absolute time viz `CLOCK_MONOTONIC` through
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which the frame ought be displayed. The callback must now effect delay.
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* Mouse coordinates are now properly translated for any margins.
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* `qprefix()` and `bprefix()` now take a `uintmax_t` in place of an
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`unsigned`, to match `ncprefix`.
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* 1.4.1 (2020-05-11)
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* No user-visible changes (fixed two unit tests).
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* 1.4.0 (2020-05-10)
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* `ncplane_content()` was added. It allows all non-null glyphs of a plane to
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be returned as a nul-terminated, heap-allocated string.
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* `ncreader` was added. This widget allows freeform input to be edited in a
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block, and collected into a string.
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* `selector_options` has been renamed to `ncselector_options`, and
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`multiselector_options` has been renamed to `ncmultiselector_options`.
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This matches the other widget option struct's nomenclature.
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* `ncplane_set_channels()` and `ncplane_set_attr()` have been added to allow
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`ncplane` attributes to be set directly and in toto.
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* `NULL` can now be passed as the `FILE*` argument to `notcurses_init()` and
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`ncdirect_init()`. In this case, a new `FILE*` will be created using
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`/dev/tty`. If the `FILE*` cannot be created, an error will be returned.
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* A `flags` field has been added to `notcurses_options`. This will allow new
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boolean options to be added in the future without resizing the structure.
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Define `NCOPTION_INHIBIT_SETLOCALE` bit. If it's not set, and the "C" or
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"POSIX" locale is in use, `notcurses_init()` will invoke
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`setlocale(LC_ALL, "")`.
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* All widgets now take an `ncplane*` as their first argument (some took
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`notcurses*` before). All widgets' `options` structs now have an `unsigned
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flags` bitfield. This future-proofs the widget API, to a degree.
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* 1.3.4 (2020-05-07)
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* `notcurses_lex_margins()` has been added to lex margins expressed in either
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of two canonical formats. Hopefully this will lead to more programs
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supporting margins.
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* `ncvisual_open_plane()` has been renamed `ncvisual_from_file()`. The former
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has been retained as a deprecated alias. It will be removed by 1.6/2.0.
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* `ncvisual_from_rgba()` and `ncvisual_from_bgra()` have been added to
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support creation of `ncvisual`s from memory, requiring no file.
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* `ncvisual_rotate()` has been added, supporting rotations of arbitrary
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radians on `ncvisual` objects.
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* `ncvisual_from_plane()` has been added to support "promotion" of an
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`ncplane` to an `ncvisual`. The source plane may contain only spaces,
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half blocks, and full blocks. This builds atop the new function
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`ncplane_rgba()`, which makes an RGBA flat array from an `ncplane`.
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* The `ncplane` argument to `ncplane_at_yx()` is now `const`.
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* 1.3.3 (2020-04-26)
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* The `ncdplot` type has been added for plots based on `double`s rather than
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`uint64_t`s. The `ncplot` type and all `ncplot_*` functions were renamed
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`ncuplot` for symmetry.
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* FFMpeg types are no longer leaked through the Notcurses API. `AVERROR`
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is no longer applicable, and `ncvisual_decode()` no longer returns a
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`struct AVframe*`. Instead, the `nc_err_e` enumeration has been introduced.
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Functions which once accepted a value-result `AVERROR` now accept a value-
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result `nc_err_e`. The relevant constants can be found in
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`notcurses/ncerrs.h`.
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* OpenImageIO 2.1+ is now supported as an experimental multimedia backend.
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FFmpeg remains recommended. Video support with OIIO is spotty thus far.
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* CMake no longer uses the `USE_FFMPEG` option. Instead, the `USE_MULTIMEDIA`
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option can be defined as `ffmpeg`, `oiio`, or `none`. In `cmake-gui`, this
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item will now appear as an option selector. `oiio` selects OpenImageIO.
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* 1.3.2 (2020-04-19)
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* `ncdirect_cursor_push()`, `notcurses_cursor_pop()`, and
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`ncdirect_cursor_yx()` have been added. These are not supported on all
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terminals. `ncdirect_cursor_yx()` ought be considered experimental; it
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must read a response from the terminal, and this can interact poorly with
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other uses of standard input.
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* 1.3.1 unintentionally inverted the C++ `Notcurses::render()` wrapper's
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return code. The previous semantics have been restored.
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* 1.3.1 (2020-04-18)
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* `ncplane_at_yx()` and `ncplane_at_cursor()` have been changed to return a
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heap-allocated EGC, and write the attributes and channels to value-result
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`uint32_t*` and `uint64_t*` parameters, instead of to a `cell*`. This
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matches `notcurses_at_yx()`, and means they're no longer invalidated if the
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plane in question is destroyed. The previous functionality is available as
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new functions `ncplane_at_yx_cell()` and `ncplane_at_cursor_cell()`.
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* `ncplane_set_base()` inverted its `uint32_t attrword` and `uint64_t channels`
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parameters, thus matching every other function with these two parameters.
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It moved `const char* egc` before either, to force a type error, as the
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change would otherwise be likely to go overlooked.
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* Scrolling is now completely implemented. When a plane has scrolling enabled
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through use of `ncplane_set_scrolling(true)`, output past the end of the
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last line will now result in the top line of the plane being lost, all
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other lines moved up one, and the bottom line cleared.
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* 1.3.0 (2020-04-12)
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* No user-visible changes
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* 1.2.9 (2020-04-11)
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* No user-visible changes
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* 1.2.8 (2020-04-10)
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* `notcurses-tetris` now happily continues if it can't load its background.
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* 1.2.7 (2020-04-10)
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* Plots now always keep the most recent data to their far right (i.e., the
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gap that is initially filled is on the left, rather than the right).
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* 1.2.6 (2020-04-08)
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* `ncplane_putsimple_yx()` and `ncplane_putstr_yx()` have been exported as
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static inline functions.
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* `ncplane_set_scrolling()` has been added, allowing control over whether a
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plane scrolls. All planes, including the standard plane, do not scroll by
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default. If scrolling is enabled, text output via the `*put*` family of
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functions continues onto the next line when encountering the end of a row.
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This does not apply to e.g. boxes or lines.
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* `ncplane_putstr_yx()` now always returns the inverse of the number of
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columns advanced on an error (it used to return the positive short count so
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long as the error was due to plane geometry, not bad input).
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* `ncplot_add_sample()` and `ncplot_set_sample()` have been changed to accept
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a `uint64_t` rather than `int64_t`, since negative samples do not
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currently make sense. Plots were made more accurate in general.
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* `notcurses_term_dim_yx()` now accepts a `const struct notcurses*`.
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* `notcurses_resize()` is no longer exported. It was never necessary to call
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this in response to a resize, despite confusing documentation that could
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have been read to suggest otherwise. If you're in a long block on input, and
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get an `NCKEY_RESIZE`, just call `notcurses_refresh()` (which now calls
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`notcurses_resize()` internally, as `notcurses_render()` always has).
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* First Fedora packaging.
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* 1.2.5 (2020-04-05)
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* Add ncplot, with support for sliding-windowed horizontal histograms.
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* gradient, polyfill, `ncplane_format()` and `ncplane_stain()` all now return
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the number of cells written on success. Failure still sees -1 returned.
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* `ncvisual_render()` now returns the number of cells emitted on success, as
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opposed to 0. Failure still sees -1 returned.
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* `ncvisual_render()` now interprets length parameters of -1 to mean "to the
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end along this axis", and no longer interprets 0 to mean this. 0 now means
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"a length of 0", resulting in a zero-area rendering.
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* `notcurses_at_yx()` no longer accepts a `cell*` as its last parameter.
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Instead, it accepts a `uint32_t*` and a `uint64_t*`, and writes the
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attribute and channels to these parameters. This was done because the
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`gcluster` field of the `cell*` was always set to 0, which was surprising
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and a source of blunders. The EGC is returned via the `char*` return
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value. https://github.com/dankamongmen/notcurses/issues/410
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* 1.2.4 (2020-03-24)
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* Add ncmultiselector
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* Add `ncdirect_cursor_enable()` and `ncdirect_cursor_disable()`.
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