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SIXEL draw bits.

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This commit is contained in:
Nicholas Marriott
2026-10-14 11:40:55 +01:00
parent 464f404b85
commit 1e294b175f
4 changed files with 141 additions and 2 deletions
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67
screen-redraw.c
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@@ -1525,6 +1525,12 @@ redraw_draw_span(struct redraw_draw_ctx *dctx, struct redraw_span *span,
case REDRAW_SPAN_PANE:
if (phase == REDRAW_TEXT)
redraw_draw_pane_span(dctx, span, span->x, y, width);
#ifdef ENABLE_IMAGES
else {
image_draw_line(&dctx->scene->c->tty, data->p.wp->screen,
data->p.px, data->p.py, width, span->x, y);
}
#endif
break;
case REDRAW_SPAN_BORDER:
case REDRAW_SPAN_EMPTY:
@@ -1565,6 +1571,26 @@ redraw_draw_pane_lines(struct redraw_draw_ctx *dctx, struct window_pane *wp,
if (bottom > (int)scene->sy)
bottom = scene->sy;
#ifdef ENABLE_IMAGES
/* Erase only pane-owned spans so overlapping panes remain intact. */
if (flags & REDRAW_PANE) {
for (y = top; y < bottom; y++) {
line = &scene->lines[y];
if (dctx->flags & REDRAW_STATUS_TOP)
cy = dctx->status_lines + y;
else
cy = y;
spans = &line->spans[REDRAW_SPAN_PANE];
TAILQ_FOREACH(span, spans, entry) {
if (span->data.p.wp == wp) {
image_redraw_start(&scene->c->tty,
span->x, cy, span->width, 1);
}
}
}
}
#endif
/* Draw each phase. */
for (phase = 0; phase < REDRAW_PHASE_COUNT; phase++) {
for (y = top; y < bottom; y++) {
@@ -1591,6 +1617,9 @@ redraw_draw_pane_lines(struct redraw_draw_ctx *dctx, struct window_pane *wp,
}
}
}
#ifdef ENABLE_IMAGES
image_draw_flush(&scene->c->tty);
#endif
}
}
@@ -1651,6 +1680,9 @@ redraw_draw_lines(struct redraw_draw_ctx *dctx, int flags)
redraw_draw_span(dctx, span, cy, phase);
}
}
#ifdef ENABLE_IMAGES
image_draw_flush(&scene->c->tty);
#endif
}
}
@@ -1906,6 +1938,14 @@ redraw_draw(struct client *c, struct window_pane *wp, int flags)
}
}
tty_sync_start(tty); /* end in server_client_reset_state */
#ifdef ENABLE_IMAGES
if (wp == NULL && (flags & REDRAW_PANE)) {
y = 0;
if (dctx.flags & REDRAW_STATUS_TOP)
y = dctx.status_lines;
image_redraw_start(tty, 0, y, scene->sx, scene->sy);
}
#endif
tty_update_mode(tty, tty->mode & ~CURSOR_MODES, NULL);
if (wp != NULL)
@@ -2084,6 +2124,30 @@ redraw_draw_damage_rectangle(struct redraw_draw_ctx *dctx, u_int x, u_int y,
if (sx == 0 || sy == 0)
return;
#ifdef ENABLE_IMAGES
/* Clear old image pixels on all damaged spans. */
for (yy = y; yy < y + sy; yy++) {
line = &scene->lines[yy];
if (dctx->flags & REDRAW_STATUS_TOP)
cy = dctx->status_lines + yy;
else
cy = yy;
for (type = 0; type < REDRAW_SPAN_TYPES; type++) {
if (type == REDRAW_SPAN_STATUS)
continue;
spans = &line->spans[type];
TAILQ_FOREACH(span, spans, entry) {
if (span->x >= x + sx)
continue;
if (span->x + span->width <= x)
continue;
image_redraw_start(&scene->c->tty,
span->x, cy, span->width, 1);
}
}
}
#endif
/* Draw each phase in the damaged spans. */
for (phase = 0; phase < REDRAW_PHASE_COUNT; phase++) {
for (yy = y; yy < y + sy; yy++) {
@@ -2108,6 +2172,9 @@ redraw_draw_damage_rectangle(struct redraw_draw_ctx *dctx, u_int x, u_int y,
}
}
}
#ifdef ENABLE_IMAGES
image_draw_flush(&scene->c->tty);
#endif
}
/* Draw prompts and pane status lines last. */