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[ncplayer] default to pixel blitting #2340

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nick black 2021-11-11 11:42:03 -05:00
parent 224743c22a
commit f401f2b4f1
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3 changed files with 10 additions and 14 deletions
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1
NEWS.md
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@ -26,6 +26,7 @@ rearrangements of Notcurses.
origin coordinates. All now interpret their `unsigned` argument as
lengths rather than closing coordinates, observing the same semantics as
outlined above.
* `ncplayer` now defaults to pixel blitting.
* 2.4.9 (2021-11-11)
* Added `ncnmetric()`, which uses `snprintf()` internally. `ncmetric()`

18
doc/man/man1/ncplayer.1.md
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@ -14,9 +14,7 @@ ncplayer - Render images and video to a terminal
**ncplayer** uses a multimedia-enabled Notcurses to render images and videos to a
terminal. By default, **stretch**-type scaling is used to fill the rendering
area, and the **sex**-type blitter is used (where known to work well) for a
3x2→1 mapping from pixels to cells. In a terminal that doesn't support Unicode
13 sextants, the **quadblitter** is used instead.
area, and the highest-quality blitter available is employed.
# OPTIONS
@ -60,14 +58,12 @@ Negative margins are illegal.
Scaling mode **stretch** resizes the object to match the target rendering
area exactly. Unless a blitter is specified with **-b**, **stretch** will use
the highest-resolution non-pixel blitter available. **scale** resizes the
object so that the longer edge of the rendering area is matched exactly, and
the other edge is changed to maintain aspect ratio. **none** uses the original
image size. Both **scale** and **none** aim for a 1:1 aspect ratio, and default
to **NCBLIT_2x1** at the cost of some potential resolution. The alternatives
**scalehi** and **hires** use the highest-resolution non-pixel blitter
available. Pixel blitting is never performed unless explicitly requested with
**-bpixel**.
the highest-resolution blitter available. **scale** resizes the object so that
the longer edge of the rendering area is matched exactly, and the other edge is
changed to maintain aspect ratio. **none** uses the original image size. Both
**scale** and **none** aim for a 1:1 aspect ratio, and will thus prefer **half**
to **quad**, **sex**, or **braille**. **scalehi** and **hires** use the
highest-resolution blitter available.
Blitters can be selected at runtime by pressing '0' through '6'.
**NCBLIT_DEFAULT** corresponds to '0'. The various blitters are described in

5
src/player/play.cpp
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@ -208,8 +208,7 @@ auto handle_opts(int argc, char** argv, notcurses_options& opts, bool* quiet,
break;
case 'b':
if(notcurses_lex_blitter(optarg, blitter)){
std::cerr << "Invalid blitter specification (got "
<< optarg << ")" << std::endl;
std::cerr << "Invalid blitter specification (got " << optarg << ")" << std::endl;
usage(std::cerr, argv[0], EXIT_FAILURE);
}
break;
@ -507,7 +506,7 @@ auto main(int argc, char** argv) -> int {
float timescale, displaytime;
ncscale_e scalemode;
notcurses_options ncopts{};
ncblitter_e blitter = NCBLIT_DEFAULT;
ncblitter_e blitter = NCBLIT_PIXEL;
uint32_t transcolor = 0;
bool quiet = false;
bool loop = false;