allow disabling anti-aliasing via cli flag
simply running nsxiv with `--anti-alias` will enable anti-aliasing, and running it with `--anti-alias=no` will disable it. the cli flag will overwrite the config.h default. Closes: https://codeberg.org/nsxiv/nsxiv/issues/349
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13
config.def.h
13
config.def.h
@ -42,11 +42,6 @@ static const int GAMMA_RANGE = 32;
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/* command i_scroll pans image 1/PAN_FRACTION of screen width/height */
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static const int PAN_FRACTION = 5;
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/* if false, pixelate images at zoom level != 100%,
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* toggled with 'a' key binding
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*/
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static const bool ANTI_ALIAS = true;
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/* if true, use a checkerboard background for alpha layer,
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* toggled with 'A' key binding
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*/
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@ -64,6 +59,14 @@ static const int CACHE_SIZE_MEM_PERCENTAGE = 3; /* use 3% of total memo
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static const int CACHE_SIZE_LIMIT = 256 * 1024 * 1024; /* but not above 256MiB */
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static const int CACHE_SIZE_FALLBACK = 32 * 1024 * 1024; /* fallback to 32MiB if we can't determine total memory */
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#endif
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#ifdef INCLUDE_OPTIONS_CONFIG
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/* if false, pixelate images at zoom level != 100%,
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* toggled with 'a' key binding (overwritten via `--anti-alias` option)
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*/
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static const bool ANTI_ALIAS = true;
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#endif
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#ifdef INCLUDE_THUMBS_CONFIG
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@ -114,6 +114,11 @@ Set zoom level to ZOOM percent.
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.B "\-0, \-\-null"
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Use NULL-separator. With this option, output of \-o and file-list sent to the
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key-handler and the input of \-i will be separated by a NULL character.
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.TP
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.BI "\-\-anti\-alias" [=no]
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Enables anti-aliasing, when given
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.I no
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as an argument, disables it instead.
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.SH KEYBOARD COMMANDS
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.SS General
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The following keyboard commands are available in both image and thumbnail modes:
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2
image.c
2
image.c
@ -80,7 +80,7 @@ void img_init(img_t *img, win_t *win)
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img->zoom = MIN(img->zoom, ZOOM_MAX);
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img->checkpan = false;
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img->dirty = false;
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img->aa = ANTI_ALIAS;
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img->aa = options->aa;
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img->alpha = ALPHA_LAYER;
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img->multi.cap = img->multi.cnt = 0;
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img->multi.animate = options->animate;
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1
nsxiv.h
1
nsxiv.h
@ -237,6 +237,7 @@ struct opt {
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scalemode_t scalemode;
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float zoom;
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bool animate;
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bool aa;
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int gamma;
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int slideshow;
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int framerate;
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13
options.c
13
options.c
@ -19,8 +19,11 @@
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#include "nsxiv.h"
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#include "version.h"
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#define INCLUDE_OPTIONS_CONFIG
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#include "config.h"
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#include <assert.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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@ -63,6 +66,9 @@ static void print_version(void)
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void parse_options(int argc, char **argv)
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{
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enum { /* ensure these can't be represented in a single byte */
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OPT_AA = UCHAR_MAX + 1
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};
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static const struct optparse_long longopts[] = {
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{ "framerate", 'A', OPTPARSE_REQUIRED },
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{ "animate", 'a', OPTPARSE_NONE },
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@ -88,6 +94,7 @@ void parse_options(int argc, char **argv)
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{ "zoom-100", 'Z', OPTPARSE_NONE },
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{ "zoom", 'z', OPTPARSE_REQUIRED },
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{ "null", '0', OPTPARSE_NONE },
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{ "anti-alias", OPT_AA, OPTPARSE_OPTIONAL },
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{ 0 }, /* end */
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};
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@ -106,6 +113,7 @@ void parse_options(int argc, char **argv)
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_options.scalemode = SCALE_DOWN;
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_options.zoom = 1.0;
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_options.aa = ANTI_ALIAS;
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_options.animate = false;
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_options.gamma = 0;
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_options.slideshow = 0;
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@ -233,6 +241,11 @@ void parse_options(int argc, char **argv)
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case '0':
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_options.using_null = true;
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break;
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case OPT_AA:
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if (op.optarg != NULL && !STREQ(op.optarg, "no"))
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error(EXIT_FAILURE, 0, "Invalid argument for option --anti-alias: %s", op.optarg);
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_options.aa = op.optarg == NULL;
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break;
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}
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}
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