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wip: grapheme shaping

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This commit is contained in:
Daniel Eklöf 2020-08-20 19:25:35 +02:00
parent c1cde66f70
commit b9ef703eb1
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GPG key ID: 5BBD4992C116573F
16 changed files with 340 additions and 178 deletions
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30
config.c
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@ -2129,6 +2129,33 @@ parse_section_tweak(
LOG_WARN("tweak: damage whole window");
}
else if (strcmp(key, "grapheme-shaping") == 0) {
conf->tweak.grapheme_shaping = str_to_bool(value);
#if !defined(FOOT_GRAPHEME_CLUSTERING)
if (conf->tweak.grapheme_shaping) {
LOG_AND_NOTIFY_WARN(
"%s:%d: [tweak]: "
"grapheme-shaping enabled but foot was not compiled with "
"support for it", path, lineno);
conf->tweak.grapheme_shaping = false;
}
#endif
if (conf->tweak.grapheme_shaping && !conf->can_shape_grapheme) {
LOG_WARN(
"%s:%d [tweak]: "
"grapheme-shaping enabled but fcft was not compiled with "
"support for it", path, lineno);
/* Keep it enabled though - this will cause us to do
* grapheme-clustering at least */
}
if (conf->tweak.grapheme_shaping)
LOG_WARN("tweak: grapheme shaping");
}
else if (strcmp(key, "render-timer") == 0) {
if (strcmp(value, "none") == 0) {
conf->tweak.render_timer_osd = false;
@ -2580,6 +2607,7 @@ config_load(struct config *conf, const char *conf_path,
config_override_t *overrides, bool errors_are_fatal)
{
bool ret = false;
enum fcft_capabilities fcft_caps = fcft_capabilities();
*conf = (struct config) {
.term = xstrdup(DEFAULT_TERM),
@ -2620,6 +2648,7 @@ config_load(struct config *conf, const char *conf_path,
.label_letters = xwcsdup(L"sadfjklewcmpgh"),
.osc8_underline = OSC8_UNDERLINE_URL_MODE,
},
.can_shape_grapheme = fcft_caps & FCFT_CAPABILITY_GRAPHEME_SHAPING,
.scrollback = {
.lines = 1000,
.indicator = {
@ -2694,6 +2723,7 @@ config_load(struct config *conf, const char *conf_path,
.tweak = {
.fcft_filter = FCFT_SCALING_FILTER_LANCZOS3,
.allow_overflowing_double_width_glyphs = true,
.grapheme_shaping = false,
.delayed_render_lower_ns = 500000, /* 0.5ms */
.delayed_render_upper_ns = 16666666 / 2, /* half a frame period (60Hz) */
.max_shm_pool_size = 512 * 1024 * 1024,