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Fallback image drawing.

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This commit is contained in:
Nicholas Marriott
2026-10-14 00:08:37 +01:00
parent fbbecde236
commit c53fd94ffd
6 changed files with 234 additions and 14 deletions
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29
tty-draw.c
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@@ -131,6 +131,10 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
enum tty_draw_line_state current_state, next_state;
struct tty_style_ctx default_style_ctx = { 0 };
const struct grid_cell *defaults;
#ifdef ENABLE_IMAGES
struct image *im;
u_int x, y;
#endif
if (style_ctx == NULL) {
default_style_ctx.defaults = &grid_default_cell;
@@ -188,6 +192,10 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
grid_view_get_cell(gd, i, py, &gc);
if (~gc.flags & GRID_FLAG_PADDING)
break;
#ifdef ENABLE_IMAGES
if (image_grid_get_at(gd, i, gd->hsize + py, &im, &x, &y) == 1)
break;
#endif
cx++;
}
if (cx != 0) {
@@ -254,21 +262,32 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
empty = nx - i;
gcp = &grid_default_cell;
#ifdef ENABLE_IMAGES
/* Map an image cell if needed. */
gcp = fallback_map_cell(tty, gd, px + i,
gd->hsize + py, gcp, &gc, &empty);
#endif
/* Flush the background before clearing. */
if (empty != 0 && gcp->bg != last.bg)
empty = 0;
} else {
/* Get the current cell. */
grid_view_get_cell(gd, px + i, py, &gc);
gcp = &gc;
#ifdef ENABLE_IMAGES
/* Map an image cell if needed. */
gcp = fallback_map_cell(tty, gd, px + i,
gd->hsize + py, gcp, &gc, NULL);
#endif
/* Work out empty cells. */
empty = tty_draw_line_get_empty(&gc, &last,
empty = tty_draw_line_get_empty(gcp, &last,
nx - i);
if (empty != 0)
gcp = &gc;
else {
if (empty == 0) {
/* Update for codeset if needed. */
gcp = tty_check_codeset(tty, &gc);
gcp = tty_check_codeset(tty, gcp);
/* And for selection. */
if (gcp->flags & GRID_FLAG_SELECTED) {