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Image grid infrastructure.

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This commit is contained in:
Nicholas Marriott
2026-10-12 19:20:42 +01:00
parent 9566f6f9ca
commit e9fffcc7e9
11 changed files with 777 additions and 589 deletions
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36
grid.c
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@@ -308,6 +308,9 @@ grid_free_line(struct grid *gd, u_int py)
{
struct grid_line *gl = &gd->linedata[py];
#ifdef ENABLE_IMAGES
image_grid_free_line(gd, gl);
#endif
free(gl->celldata);
free(gl->extddata);
memset(gl, 0, sizeof *gl);
@@ -347,6 +350,9 @@ void
grid_destroy(struct grid *gd)
{
grid_free_lines(gd, 0, gd->hsize + gd->sy);
#ifdef ENABLE_IMAGES
image_grid_free(gd);
#endif
free(gd->linedata);
free(gd);
}
@@ -692,6 +698,9 @@ grid_clear(struct grid *gd, u_int px, u_int py, u_int nx, u_int ny, u_int bg)
return;
if (grid_check_y(gd, __func__, py + ny - 1) != 0)
return;
#ifdef ENABLE_IMAGES
image_grid_remove(gd, px, py, nx, ny);
#endif
for (yy = py; yy < py + ny; yy++) {
gl = &gd->linedata[yy];
@@ -794,6 +803,9 @@ grid_move_cells(struct grid *gd, u_int dx, u_int px, u_int py, u_int nx,
grid_expand_line(gd, py, px + nx, 8);
grid_expand_line(gd, py, dx + nx, 8);
#ifdef ENABLE_IMAGES
image_grid_move_cells(gd, dx, px, py, nx);
#endif
memmove(&gl->celldata[dx], &gl->celldata[px],
nx * sizeof *gl->celldata);
if (dx + nx > gl->cellused)
@@ -1233,6 +1245,9 @@ grid_duplicate_lines(struct grid *dst, u_int dy, struct grid *src, u_int sy,
{
struct grid_line *dstl, *srcl;
u_int yy;
#ifdef ENABLE_IMAGES
u_int ody = dy, osy = sy;
#endif
if (dy + ny > dst->hsize + dst->sy)
ny = dst->hsize + dst->sy - dy;
@@ -1245,6 +1260,9 @@ grid_duplicate_lines(struct grid *dst, u_int dy, struct grid *src, u_int sy,
dstl = &dst->linedata[dy];
memcpy(dstl, srcl, sizeof *dstl);
#ifdef ENABLE_IMAGES
dstl->images = NULL;
#endif
if (srcl->cellsize != 0) {
dstl->celldata = xreallocarray(NULL,
srcl->cellsize, sizeof *dstl->celldata);
@@ -1264,6 +1282,9 @@ grid_duplicate_lines(struct grid *dst, u_int dy, struct grid *src, u_int sy,
sy++;
dy++;
}
#ifdef ENABLE_IMAGES
image_grid_duplicate_lines(dst, ody, src, osy, ny);
#endif
}
/* Mark line as dead. */
@@ -1384,6 +1405,11 @@ grid_reflow_join(struct grid *target, struct grid *gd, u_int sx, u_int yy,
break;
line = yy + 1 + lines;
#ifdef ENABLE_IMAGES
if (image_grid_line_has_images(&gd->linedata[line]))
break;
#endif
/* Consume empty lines, including any markers. */
if (~gd->linedata[line].flags & GRID_LINE_WRAPPED)
wrapped = 0;
@@ -1453,8 +1479,7 @@ grid_reflow_join(struct grid *target, struct grid *gd, u_int sx, u_int yy,
/* Remove the lines that were completely consumed. */
for (i = yy + 1; i < yy + 1 + lines; i++) {
free(gd->linedata[i].celldata);
free(gd->linedata[i].extddata);
grid_free_line(gd, i);
grid_reflow_dead(&gd->linedata[i]);
}
@@ -1562,6 +1587,13 @@ grid_reflow(struct grid *gd, u_int sx)
if (gl->flags & GRID_LINE_DEAD)
continue;
#ifdef ENABLE_IMAGES
if (image_grid_line_has_images(gl)) {
grid_reflow_move(target, gl);
continue;
}
#endif
/*
* Work out the width of this line. at is the point at which
* the available width is hit, and width is the full line