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Store images, currently at most 10.

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Nicholas Marriott
2019-12-05 00:02:55 +00:00
parent 3aebcc6709
commit 49f2f0a8f1
7 changed files with 133 additions and 8 deletions
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image.c Normal file
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/* $OpenBSD$ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <stdlib.h>
#include "tmux.h"
static struct images all_images = TAILQ_HEAD_INITIALIZER(all_images);
static u_int all_images_count;
static void
image_free(struct image *im)
{
struct screen *s = im->s;
TAILQ_REMOVE(&all_images, im, all_entry);
all_images_count--;
TAILQ_REMOVE(&s->images, im, entry);
free(im);
}
void
image_free_all(struct screen *s)
{
struct image *im, *im1;
TAILQ_FOREACH_SAFE(im, &s->images, entry, im1)
image_free(im);
}
void
image_store(struct screen *s, struct sixel_image *si)
{
struct image *im;
im = xcalloc(1, sizeof *im);
im->s = s;
im->data = si;
im->px = s->cx;
im->py = s->cy;
sixel_size_in_cells(si, &im->sx, &im->sy);
TAILQ_INSERT_TAIL(&s->images, im, entry);
TAILQ_INSERT_TAIL(&all_images, im, all_entry);
if (++all_images_count == 10/*XXX*/)
image_free(TAILQ_FIRST(&all_images));
}
int
image_check_line(struct screen *s, u_int py, u_int ny)
{
struct image *im, *im1;
int redraw = 0;
TAILQ_FOREACH_SAFE(im, &s->images, entry, im1) {
if (py + ny > im->py && py < im->py + im->sy) {
image_free(im);
redraw = 1;
}
}
return (redraw);
}
int
image_check_area(struct screen *s, u_int px, u_int py, u_int nx, u_int ny)
{
struct image *im, *im1;
int redraw = 0;
TAILQ_FOREACH_SAFE(im, &s->images, entry, im1) {
if (py + ny <= im->py || py >= im->py + im->sy)
continue;
if (px + nx <= im->px || px >= im->px + im->sx)
continue;
image_free(im);
redraw = 1;
}
return (redraw);
}