2021-10-28 10:41:16 +00:00
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/* Copyright 2011-2020 Bert Muennich
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2023-01-15 09:26:46 +00:00
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* Copyright 2021-2023 nsxiv contributors
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2011-01-17 13:57:59 +00:00
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*
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2021-09-16 09:32:59 +00:00
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* This file is a part of nsxiv.
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2011-08-17 23:18:26 +00:00
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*
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2021-09-16 09:32:59 +00:00
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* nsxiv is free software; you can redistribute it and/or modify
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2013-02-08 20:52:41 +00:00
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* it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License,
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* or (at your option) any later version.
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2011-08-17 23:18:26 +00:00
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*
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2021-09-16 09:32:59 +00:00
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* nsxiv is distributed in the hope that it will be useful,
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2013-02-08 20:52:41 +00:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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2021-09-16 09:32:59 +00:00
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* along with nsxiv. If not, see <http://www.gnu.org/licenses/>.
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2011-01-17 13:57:59 +00:00
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*/
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2021-09-16 09:32:59 +00:00
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#include "nsxiv.h"
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2022-06-15 07:42:34 +00:00
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#define INCLUDE_IMAGE_CONFIG
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2017-10-16 19:10:35 +00:00
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#include "config.h"
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2022-06-17 16:16:37 +00:00
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#include <assert.h>
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2015-10-28 22:03:37 +00:00
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#include <errno.h>
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2022-10-19 12:46:22 +00:00
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#include <stdint.h>
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2012-02-11 01:42:52 +00:00
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#include <stdlib.h>
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2011-09-06 09:09:57 +00:00
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#include <string.h>
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2016-10-20 08:21:55 +00:00
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#include <sys/stat.h>
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2011-08-17 16:17:40 +00:00
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#include <unistd.h>
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2011-09-08 13:55:03 +00:00
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2014-06-09 20:59:49 +00:00
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#if HAVE_LIBEXIF
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#include <libexif/exif-data.h>
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#endif
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2023-05-23 11:36:41 +00:00
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#if HAVE_IMLIB2_MULTI_FRAME
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enum { DEF_ANIM_DELAY = 75 };
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#endif
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2021-12-09 19:03:18 +00:00
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#define ZOOM_MIN (zoom_levels[0] / 100)
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2023-02-10 05:35:53 +00:00
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#define ZOOM_MAX (zoom_levels[ARRLEN(zoom_levels) - 1] / 100)
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2021-12-01 12:27:17 +00:00
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2022-01-01 08:55:59 +00:00
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static int calc_cache_size(void)
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{
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2022-08-07 13:53:26 +00:00
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long cache, pages = -1, page_size = -1;
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2022-01-01 08:55:59 +00:00
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if (CACHE_SIZE_MEM_PERCENTAGE <= 0)
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return 0;
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2022-08-07 13:53:26 +00:00
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#ifdef _SC_PHYS_PAGES /* _SC_PHYS_PAGES isn't POSIX */
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2022-01-01 08:55:59 +00:00
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pages = sysconf(_SC_PHYS_PAGES);
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page_size = sysconf(_SC_PAGE_SIZE);
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2022-08-07 13:53:26 +00:00
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#endif
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2022-01-01 08:55:59 +00:00
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if (pages < 0 || page_size < 0)
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return CACHE_SIZE_FALLBACK;
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2023-02-10 05:35:53 +00:00
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cache = (pages / 100) * CACHE_SIZE_MEM_PERCENTAGE;
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2022-01-01 08:55:59 +00:00
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cache *= page_size;
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return MIN(cache, CACHE_SIZE_LIMIT);
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}
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2013-02-08 21:05:31 +00:00
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void img_init(img_t *img, win_t *win)
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{
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2011-09-17 15:23:51 +00:00
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imlib_context_set_display(win->env.dpy);
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imlib_context_set_visual(win->env.vis);
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imlib_context_set_colormap(win->env.cmap);
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2022-01-01 08:55:59 +00:00
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imlib_set_cache_size(calc_cache_size());
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2011-09-17 15:23:51 +00:00
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img->im = NULL;
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img->win = win;
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2014-02-04 22:03:53 +00:00
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img->scalemode = options->scalemode;
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2011-09-17 15:23:51 +00:00
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img->zoom = options->zoom;
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2021-09-25 05:10:29 +00:00
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img->zoom = MAX(img->zoom, ZOOM_MIN);
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img->zoom = MIN(img->zoom, ZOOM_MAX);
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2011-09-17 15:23:51 +00:00
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img->checkpan = false;
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img->dirty = false;
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2022-09-10 13:30:40 +00:00
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img->anti_alias = options->anti_alias;
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2023-01-17 09:57:57 +00:00
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img->alpha_layer = options->alpha_layer;
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2023-08-28 10:28:57 +00:00
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img->autoreload_pending = false;
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2011-09-17 15:23:51 +00:00
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img->multi.cap = img->multi.cnt = 0;
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2014-07-25 20:52:31 +00:00
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img->multi.animate = options->animate;
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2016-11-27 07:54:15 +00:00
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img->multi.framedelay = options->framerate > 0 ? 1000 / options->framerate : 0;
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2014-07-25 20:52:31 +00:00
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img->multi.length = 0;
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2013-11-13 19:54:09 +00:00
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img->cmod = imlib_create_color_modifier();
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2015-01-05 19:53:04 +00:00
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imlib_context_set_color_modifier(img->cmod);
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2022-12-22 11:21:40 +00:00
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img->brightness = 0;
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img->contrast = 0;
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img_change_color_modifier(img, options->gamma, &img->gamma);
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2015-01-05 19:53:04 +00:00
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2014-01-04 17:38:40 +00:00
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img->ss.on = options->slideshow > 0;
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2022-10-19 12:46:22 +00:00
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img->ss.delay = options->slideshow > 0 ? options->slideshow : SLIDESHOW_DELAY * 10u;
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2011-09-08 13:55:03 +00:00
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}
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2014-06-09 20:59:49 +00:00
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#if HAVE_LIBEXIF
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2013-02-08 21:05:31 +00:00
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void exif_auto_orientate(const fileinfo_t *file)
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{
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2014-06-09 20:59:49 +00:00
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ExifData *ed;
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ExifEntry *entry;
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int byte_order, orientation = 0;
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if ((ed = exif_data_new_from_file(file->path)) == NULL)
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return;
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byte_order = exif_data_get_byte_order(ed);
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entry = exif_content_get_entry(ed->ifd[EXIF_IFD_0], EXIF_TAG_ORIENTATION);
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if (entry != NULL)
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orientation = exif_get_short(entry->data, byte_order);
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exif_data_unref(ed);
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switch (orientation) {
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2022-08-16 08:54:31 +00:00
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case 5:
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imlib_image_orientate(1);
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/* fall through */
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case 2:
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imlib_image_flip_vertical();
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break;
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case 3:
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imlib_image_orientate(2);
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break;
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case 7:
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imlib_image_orientate(1);
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/* fall through */
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case 4:
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imlib_image_flip_horizontal();
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break;
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case 6:
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imlib_image_orientate(1);
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break;
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case 8:
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imlib_image_orientate(3);
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break;
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2012-02-15 18:13:44 +00:00
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}
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}
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2014-06-09 20:59:49 +00:00
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#endif
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2012-02-15 18:13:44 +00:00
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2023-08-27 17:20:39 +00:00
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#if HAVE_IMLIB2_MULTI_FRAME
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2023-01-08 10:02:56 +00:00
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static void img_area_clear(int x, int y, int w, int h)
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{
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assert(x >= 0 && y >= 0);
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assert(w > 0 && h > 0);
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imlib_image_set_has_alpha(1);
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imlib_context_set_blend(0);
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imlib_context_set_color(0, 0, 0, 0);
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imlib_image_fill_rectangle(x, y, w, h);
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}
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static bool img_load_multiframe(img_t *img, const fileinfo_t *file)
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{
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unsigned int n, fcnt;
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Imlib_Image blank;
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Imlib_Frame_Info finfo;
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int px, py, pw, ph, pflag;
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multi_img_t *m = &img->multi;
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imlib_context_set_image(img->im);
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imlib_image_get_frame_info(&finfo);
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if ((fcnt = finfo.frame_count) <= 1 || !(finfo.frame_flags & IMLIB_IMAGE_ANIMATED))
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return false;
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img->w = finfo.canvas_w;
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img->h = finfo.canvas_h;
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if (fcnt > m->cap) {
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m->cap = fcnt;
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m->frames = erealloc(m->frames, m->cap * sizeof(*m->frames));
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}
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if ((blank = imlib_create_image(img->w, img->h)) == NULL) {
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error(0, 0, "%s: couldn't create image", file->name);
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return false;
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}
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imlib_context_set_image(blank);
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img_area_clear(0, 0, img->w, img->h);
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2023-05-18 15:06:44 +00:00
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imlib_context_set_dither(0);
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imlib_context_set_anti_alias(0);
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imlib_context_set_color_modifier(NULL);
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imlib_context_set_operation(IMLIB_OP_COPY);
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2023-01-08 10:02:56 +00:00
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/*
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* Imlib2 gives back a "raw frame", we need to blend it on top of the
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* previous frame ourselves if necessary to get the fully decoded frame.
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*/
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pflag = m->length = m->cnt = m->sel = 0;
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px = py = pw = ph = 0;
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for (n = 1; n <= fcnt; ++n) {
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Imlib_Image frame, canvas;
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int sx, sy, sw, sh;
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bool has_alpha;
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imlib_context_set_image(m->cnt < 1 ? blank : m->frames[m->cnt - 1].im);
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2023-07-02 13:16:55 +00:00
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canvas = imlib_clone_image();
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if ((frame = imlib_load_image_frame(file->path, n)) != NULL) {
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imlib_context_set_image(frame);
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imlib_image_set_changes_on_disk(); /* see img_load() for rationale */
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imlib_image_get_frame_info(&finfo);
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}
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/* NOTE: the underlying file can end up changing during load.
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* so check if frame_count, w, h are all still the same or not.
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*/
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if (canvas == NULL || frame == NULL || finfo.frame_count != (int)fcnt ||
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finfo.canvas_w != img->w || finfo.canvas_h != img->h)
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2023-01-08 10:02:56 +00:00
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{
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2023-07-02 14:15:53 +00:00
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img_free(frame, false);
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img_free(canvas, false);
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2023-01-08 10:02:56 +00:00
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error(0, 0, "%s: failed to load frame %d", file->name, n);
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break;
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}
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sx = finfo.frame_x;
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sy = finfo.frame_y;
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sw = finfo.frame_w;
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sh = finfo.frame_h;
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has_alpha = imlib_image_has_alpha();
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imlib_context_set_image(canvas);
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/* the dispose flags are explained in Imlib2's header */
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if (pflag & IMLIB_FRAME_DISPOSE_CLEAR) {
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img_area_clear(px, py, pw, ph);
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} else if (pflag & IMLIB_FRAME_DISPOSE_PREV) {
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Imlib_Image p = m->cnt < 2 ? blank : m->frames[m->cnt - 2].im;
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assert(m->cnt > 0);
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img_area_clear(0, 0, img->w, img->h);
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imlib_blend_image_onto_image(p, 1, px, py, pw, ph, px, py, pw, ph);
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}
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pflag = finfo.frame_flags;
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if (pflag & (IMLIB_FRAME_DISPOSE_CLEAR | IMLIB_FRAME_DISPOSE_PREV)) {
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/* remember these so we can "dispose" them before blending next frame */
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px = sx;
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py = sy;
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pw = sw;
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ph = sh;
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}
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assert(imlib_context_get_operation() == IMLIB_OP_COPY);
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imlib_image_set_has_alpha(has_alpha);
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imlib_context_set_blend(!!(finfo.frame_flags & IMLIB_FRAME_BLEND));
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imlib_blend_image_onto_image(frame, has_alpha, 0, 0, sw, sh, sx, sy, sw, sh);
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m->frames[m->cnt].im = canvas;
|
2024-06-18 15:08:37 +00:00
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m->frames[m->cnt].delay = m->framedelay ? m->framedelay :
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(finfo.frame_delay ? finfo.frame_delay : DEF_ANIM_DELAY);
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2023-01-08 10:02:56 +00:00
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m->length += m->frames[m->cnt].delay;
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m->cnt++;
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2023-07-02 14:15:53 +00:00
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img_free(frame, false);
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2023-01-08 10:02:56 +00:00
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}
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2023-07-02 14:15:53 +00:00
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img_free(blank, false);
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2023-05-18 15:06:44 +00:00
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imlib_context_set_color_modifier(img->cmod); /* restore cmod */
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2023-09-20 23:06:07 +00:00
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if (m->cnt > 1) {
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img_free(img->im, false);
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img->im = m->frames[0].im;
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} else if (m->cnt == 1) {
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img_free(m->frames[0].im, false);
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m->cnt = 0;
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}
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imlib_context_set_image(img->im);
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2023-01-08 10:02:56 +00:00
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return m->cnt > 0;
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}
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#endif /* HAVE_IMLIB2_MULTI_FRAME */
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2017-11-23 13:35:32 +00:00
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Imlib_Image img_open(const fileinfo_t *file)
|
2013-02-08 21:05:31 +00:00
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{
|
2016-10-20 08:21:55 +00:00
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struct stat st;
|
2017-11-23 13:35:32 +00:00
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Imlib_Image im = NULL;
|
2011-08-16 22:56:18 +00:00
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2017-11-23 13:35:32 +00:00
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if (access(file->path, R_OK) == 0 &&
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2022-10-21 06:02:54 +00:00
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stat(file->path, &st) == 0 && S_ISREG(st.st_mode) &&
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2023-01-08 10:02:56 +00:00
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#if HAVE_IMLIB2_MULTI_FRAME
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(im = imlib_load_image_frame(file->path, 1)) != NULL)
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#else
|
2022-10-21 06:02:54 +00:00
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(im = imlib_load_image_immediately(file->path)) != NULL)
|
2023-01-08 10:02:56 +00:00
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#endif
|
2011-09-29 10:43:36 +00:00
|
|
|
{
|
2022-10-21 06:02:54 +00:00
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imlib_context_set_image(im);
|
2011-02-09 15:32:40 +00:00
|
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|
}
|
2023-07-08 07:05:57 +00:00
|
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|
/* UPGRADE: Imlib2 v1.10.0: better error reporting with
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|
* imlib_get_error() + imlib_strerror() */
|
2017-11-23 13:35:32 +00:00
|
|
|
if (im == NULL && (file->flags & FF_WARN))
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|
error(0, 0, "%s: Error opening image", file->name);
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|
|
return im;
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}
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|
|
bool img_load(img_t *img, const fileinfo_t *file)
|
|
|
|
{
|
|
|
|
const char *fmt;
|
2023-01-08 10:02:56 +00:00
|
|
|
bool animated = false;
|
2017-11-23 13:35:32 +00:00
|
|
|
|
|
|
|
if ((img->im = img_open(file)) == NULL)
|
|
|
|
return false;
|
2011-01-18 19:11:28 +00:00
|
|
|
|
2023-05-18 15:05:45 +00:00
|
|
|
/* ensure that the image's timestamp is checked when loading from cache
|
|
|
|
* to avoid issues like: https://codeberg.org/nsxiv/nsxiv/issues/436
|
|
|
|
*/
|
2011-04-11 14:58:38 +00:00
|
|
|
imlib_image_set_changes_on_disk();
|
|
|
|
|
2023-07-08 07:05:57 +00:00
|
|
|
/* UPGRADE: Imlib2 v1.7.5: remove these exif related ifdefs */
|
2022-01-01 20:28:19 +00:00
|
|
|
/* since v1.7.5, Imlib2 can parse exif orientation from jpeg files.
|
|
|
|
* this version also happens to be the first one which defines the
|
|
|
|
* IMLIB2_VERSION macro.
|
|
|
|
*/
|
|
|
|
#if HAVE_LIBEXIF && !defined(IMLIB2_VERSION)
|
2014-06-09 20:59:49 +00:00
|
|
|
exif_auto_orientate(file);
|
2012-12-27 15:43:19 +00:00
|
|
|
#endif
|
2011-08-16 22:56:18 +00:00
|
|
|
|
2023-01-08 10:02:56 +00:00
|
|
|
#if HAVE_IMLIB2_MULTI_FRAME
|
|
|
|
animated = img_load_multiframe(img, file);
|
|
|
|
#endif
|
|
|
|
|
2023-09-20 23:06:07 +00:00
|
|
|
(void)fmt; /* maybe unused */
|
2022-01-01 20:28:19 +00:00
|
|
|
#if HAVE_LIBEXIF && defined(IMLIB2_VERSION)
|
2023-09-20 23:06:07 +00:00
|
|
|
if ((fmt = imlib_image_format()) != NULL) {
|
2022-01-01 20:28:19 +00:00
|
|
|
if (!STREQ(fmt, "jpeg") && !STREQ(fmt, "jpg"))
|
|
|
|
exif_auto_orientate(file);
|
2014-06-09 20:59:49 +00:00
|
|
|
}
|
2023-09-20 23:06:07 +00:00
|
|
|
#endif
|
2023-01-08 10:02:56 +00:00
|
|
|
/* for animated images, we want the _canvas_ width/height, which
|
|
|
|
* img_load_multiframe() sets already.
|
|
|
|
*/
|
|
|
|
if (!animated) {
|
|
|
|
img->w = imlib_image_get_width();
|
|
|
|
img->h = imlib_image_get_height();
|
|
|
|
}
|
2014-02-04 20:02:02 +00:00
|
|
|
img->checkpan = true;
|
2011-09-11 19:01:24 +00:00
|
|
|
img->dirty = true;
|
2011-01-22 22:27:29 +00:00
|
|
|
|
2011-09-11 19:01:24 +00:00
|
|
|
return true;
|
2011-01-18 16:20:41 +00:00
|
|
|
}
|
2011-01-18 19:11:28 +00:00
|
|
|
|
2023-07-02 14:15:53 +00:00
|
|
|
CLEANUP void img_free(Imlib_Image im, bool decache)
|
|
|
|
{
|
|
|
|
if (im != NULL) {
|
|
|
|
imlib_context_set_image(im);
|
|
|
|
decache ? imlib_free_image_and_decache() : imlib_free_image();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-10-28 22:03:37 +00:00
|
|
|
CLEANUP void img_close(img_t *img, bool decache)
|
2013-02-08 21:05:31 +00:00
|
|
|
{
|
2022-07-15 20:46:23 +00:00
|
|
|
unsigned int i;
|
2011-08-17 16:01:21 +00:00
|
|
|
|
2011-09-29 10:43:36 +00:00
|
|
|
if (img->multi.cnt > 0) {
|
2023-07-02 14:15:53 +00:00
|
|
|
for (i = 0; i < img->multi.cnt; i++)
|
|
|
|
img_free(img->multi.frames[i].im, decache);
|
2023-07-04 05:10:07 +00:00
|
|
|
/* NOTE: the above only decaches the "composed frames",
|
|
|
|
* and not the "raw frame" that's associated with the file.
|
|
|
|
* which leads to issues like: https://codeberg.org/nsxiv/nsxiv/issues/456
|
|
|
|
*/
|
|
|
|
#if HAVE_IMLIB2_MULTI_FRAME
|
|
|
|
#if IMLIB2_VERSION >= IMLIB2_VERSION_(1, 12, 0)
|
|
|
|
if (decache)
|
|
|
|
imlib_image_decache_file(files[fileidx].path);
|
|
|
|
#else /* UPGRADE: Imlib2 v1.12.0: remove this hack */
|
|
|
|
/* HACK: try to reload all the frames and forcefully decache them
|
|
|
|
* if imlib_image_decache_file() isn't available.
|
|
|
|
*/
|
|
|
|
for (i = 0; decache && i < img->multi.cnt; i++)
|
|
|
|
img_free(imlib_load_image_frame(files[fileidx].path, i + 1), true);
|
|
|
|
#endif
|
|
|
|
#endif
|
2011-08-17 16:01:21 +00:00
|
|
|
img->multi.cnt = 0;
|
|
|
|
img->im = NULL;
|
2011-09-29 10:43:36 +00:00
|
|
|
} else if (img->im != NULL) {
|
2023-07-02 14:15:53 +00:00
|
|
|
img_free(img->im, decache);
|
2011-02-25 11:08:12 +00:00
|
|
|
img->im = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-11-20 03:51:49 +00:00
|
|
|
static void img_check_pan(img_t *img, bool moved)
|
2013-02-08 21:05:31 +00:00
|
|
|
{
|
2011-09-17 15:23:51 +00:00
|
|
|
win_t *win;
|
2018-01-22 09:18:28 +00:00
|
|
|
float w, h, ox, oy;
|
2011-09-10 23:13:45 +00:00
|
|
|
|
2011-09-17 15:23:51 +00:00
|
|
|
win = img->win;
|
2014-02-04 20:02:02 +00:00
|
|
|
w = img->w * img->zoom;
|
|
|
|
h = img->h * img->zoom;
|
2011-09-10 23:13:45 +00:00
|
|
|
ox = img->x;
|
|
|
|
oy = img->y;
|
|
|
|
|
2014-02-04 20:02:02 +00:00
|
|
|
if (w < win->w)
|
|
|
|
img->x = (win->w - w) / 2;
|
|
|
|
else if (img->x > 0)
|
|
|
|
img->x = 0;
|
|
|
|
else if (img->x + w < win->w)
|
|
|
|
img->x = win->w - w;
|
|
|
|
if (h < win->h)
|
|
|
|
img->y = (win->h - h) / 2;
|
|
|
|
else if (img->y > 0)
|
|
|
|
img->y = 0;
|
|
|
|
else if (img->y + h < win->h)
|
|
|
|
img->y = win->h - h;
|
2011-09-10 23:13:45 +00:00
|
|
|
|
|
|
|
if (!moved && (ox != img->x || oy != img->y))
|
2011-09-11 19:01:24 +00:00
|
|
|
img->dirty = true;
|
2011-01-20 22:22:00 +00:00
|
|
|
}
|
|
|
|
|
2021-11-20 03:51:49 +00:00
|
|
|
static bool img_fit(img_t *img)
|
2013-02-08 21:05:31 +00:00
|
|
|
{
|
2018-01-22 09:47:30 +00:00
|
|
|
float z, zw, zh;
|
2011-02-03 15:55:24 +00:00
|
|
|
|
2011-09-17 15:23:51 +00:00
|
|
|
if (img->scalemode == SCALE_ZOOM)
|
2011-09-11 19:01:24 +00:00
|
|
|
return false;
|
2011-02-03 15:55:24 +00:00
|
|
|
|
2023-02-10 05:35:53 +00:00
|
|
|
zw = (float)img->win->w / (float)img->w;
|
|
|
|
zh = (float)img->win->h / (float)img->h;
|
2011-02-03 15:55:24 +00:00
|
|
|
|
2012-07-19 10:28:44 +00:00
|
|
|
switch (img->scalemode) {
|
2022-08-16 08:54:31 +00:00
|
|
|
case SCALE_FILL:
|
|
|
|
z = MAX(zw, zh);
|
|
|
|
break;
|
|
|
|
case SCALE_WIDTH:
|
|
|
|
z = zw;
|
|
|
|
break;
|
|
|
|
case SCALE_HEIGHT:
|
|
|
|
z = zh;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
z = MIN(zw, zh);
|
|
|
|
break;
|
2012-07-19 10:28:44 +00:00
|
|
|
}
|
2021-09-25 05:10:29 +00:00
|
|
|
z = MIN(z, img->scalemode == SCALE_DOWN ? 1.0 : ZOOM_MAX);
|
2011-02-03 15:55:24 +00:00
|
|
|
|
2023-02-10 05:35:53 +00:00
|
|
|
if (ABS(img->zoom - z) > 1.0 / MAX(img->w, img->h)) {
|
2011-09-10 23:13:45 +00:00
|
|
|
img->zoom = z;
|
2023-09-30 08:53:32 +00:00
|
|
|
img->dirty = true;
|
2011-09-11 19:01:24 +00:00
|
|
|
return true;
|
2011-09-10 23:13:45 +00:00
|
|
|
} else {
|
2011-09-11 19:01:24 +00:00
|
|
|
return false;
|
2011-09-10 23:13:45 +00:00
|
|
|
}
|
2011-02-03 15:55:24 +00:00
|
|
|
}
|
|
|
|
|
2013-02-08 21:05:31 +00:00
|
|
|
void img_render(img_t *img)
|
|
|
|
{
|
2011-09-17 15:23:51 +00:00
|
|
|
win_t *win;
|
2011-01-20 14:39:08 +00:00
|
|
|
int sx, sy, sw, sh;
|
|
|
|
int dx, dy, dw, dh;
|
2014-02-06 21:04:19 +00:00
|
|
|
Imlib_Image bg;
|
2011-01-20 14:39:08 +00:00
|
|
|
|
2011-09-17 15:23:51 +00:00
|
|
|
win = img->win;
|
|
|
|
img_fit(img);
|
2011-01-21 11:13:52 +00:00
|
|
|
|
2011-01-22 22:27:29 +00:00
|
|
|
if (img->checkpan) {
|
2011-09-17 15:23:51 +00:00
|
|
|
img_check_pan(img, false);
|
2011-09-11 19:01:24 +00:00
|
|
|
img->checkpan = false;
|
2011-01-21 11:13:52 +00:00
|
|
|
}
|
2011-01-20 22:22:00 +00:00
|
|
|
|
2011-09-10 23:13:45 +00:00
|
|
|
if (!img->dirty)
|
|
|
|
return;
|
|
|
|
|
2014-02-06 21:04:19 +00:00
|
|
|
/* calculate source and destination offsets:
|
|
|
|
* - part of image drawn on full window, or
|
|
|
|
* - full image drawn on part of window
|
|
|
|
*/
|
|
|
|
if (img->x <= 0) {
|
2015-02-06 07:52:44 +00:00
|
|
|
sx = -img->x / img->zoom + 0.5;
|
2011-01-20 20:44:34 +00:00
|
|
|
sw = win->w / img->zoom;
|
|
|
|
dx = 0;
|
|
|
|
dw = win->w;
|
2011-01-18 19:11:28 +00:00
|
|
|
} else {
|
|
|
|
sx = 0;
|
2011-01-20 20:44:34 +00:00
|
|
|
sw = img->w;
|
2011-01-18 19:11:28 +00:00
|
|
|
dx = img->x;
|
2021-11-30 23:52:09 +00:00
|
|
|
dw = MAX(img->w * img->zoom, 1);
|
2011-01-18 19:11:28 +00:00
|
|
|
}
|
2014-02-06 21:04:19 +00:00
|
|
|
if (img->y <= 0) {
|
2015-02-06 07:52:44 +00:00
|
|
|
sy = -img->y / img->zoom + 0.5;
|
2011-01-20 20:44:34 +00:00
|
|
|
sh = win->h / img->zoom;
|
2022-02-26 16:38:53 +00:00
|
|
|
dy = win->bar.top ? win->bar.h : 0;
|
2011-01-20 20:44:34 +00:00
|
|
|
dh = win->h;
|
2011-01-18 19:11:28 +00:00
|
|
|
} else {
|
|
|
|
sy = 0;
|
2011-01-20 20:44:34 +00:00
|
|
|
sh = img->h;
|
2022-02-26 16:38:53 +00:00
|
|
|
dy = img->y + (win->bar.top ? win->bar.h : 0);
|
2021-11-30 23:52:09 +00:00
|
|
|
dh = MAX(img->h * img->zoom, 1);
|
2011-01-18 19:11:28 +00:00
|
|
|
}
|
|
|
|
|
2011-01-20 20:44:34 +00:00
|
|
|
win_clear(win);
|
2011-01-18 19:11:28 +00:00
|
|
|
|
2011-04-11 14:58:38 +00:00
|
|
|
imlib_context_set_image(img->im);
|
2022-09-10 13:30:40 +00:00
|
|
|
imlib_context_set_anti_alias(img->anti_alias);
|
2014-07-28 18:36:32 +00:00
|
|
|
imlib_context_set_drawable(win->buf.pm);
|
2011-01-20 20:44:34 +00:00
|
|
|
|
2022-04-12 17:05:59 +00:00
|
|
|
/* manual blending, for performance reasons.
|
|
|
|
* see https://phab.enlightenment.org/T8969#156167 for more details.
|
|
|
|
*/
|
2014-02-06 21:04:19 +00:00
|
|
|
if (imlib_image_has_alpha()) {
|
2022-04-12 17:05:59 +00:00
|
|
|
if ((bg = imlib_create_image(dw, dh)) == NULL) {
|
|
|
|
error(0, ENOMEM, "Failed to create image");
|
|
|
|
goto fallback;
|
|
|
|
}
|
2014-02-06 21:04:19 +00:00
|
|
|
imlib_context_set_image(bg);
|
2021-10-16 18:00:46 +00:00
|
|
|
imlib_image_set_has_alpha(0);
|
2014-02-06 21:04:19 +00:00
|
|
|
|
2023-01-17 09:57:57 +00:00
|
|
|
if (img->alpha_layer) {
|
2014-04-06 20:47:42 +00:00
|
|
|
int i, c, r;
|
2022-10-19 12:46:22 +00:00
|
|
|
uint32_t col[2] = { 0xFF666666, 0xFF999999 };
|
|
|
|
uint32_t *data = imlib_image_get_data();
|
2014-04-06 20:47:42 +00:00
|
|
|
|
|
|
|
for (r = 0; r < dh; r++) {
|
|
|
|
i = r * dw;
|
|
|
|
if (r == 0 || r == 8) {
|
|
|
|
for (c = 0; c < dw; c++)
|
|
|
|
data[i++] = col[!(c & 8) ^ !r];
|
|
|
|
} else {
|
|
|
|
memcpy(&data[i], &data[(r & 8) * dw], dw * sizeof(data[0]));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
imlib_image_put_back_data(data);
|
|
|
|
} else {
|
2021-12-24 00:14:12 +00:00
|
|
|
XColor c = win->win_bg;
|
2021-10-11 23:46:35 +00:00
|
|
|
imlib_context_set_color(c.red >> 8, c.green >> 8, c.blue >> 8, 0xFF);
|
2014-04-06 20:47:42 +00:00
|
|
|
imlib_image_fill_rectangle(0, 0, dw, dh);
|
|
|
|
}
|
2023-01-08 10:02:56 +00:00
|
|
|
imlib_context_set_blend(1);
|
|
|
|
imlib_context_set_operation(IMLIB_OP_COPY);
|
2014-02-06 21:04:19 +00:00
|
|
|
imlib_blend_image_onto_image(img->im, 0, sx, sy, sw, sh, 0, 0, dw, dh);
|
|
|
|
imlib_context_set_color_modifier(NULL);
|
|
|
|
imlib_render_image_on_drawable(dx, dy);
|
|
|
|
imlib_free_image();
|
2015-01-05 19:53:04 +00:00
|
|
|
imlib_context_set_color_modifier(img->cmod);
|
2014-02-06 21:04:19 +00:00
|
|
|
} else {
|
2022-04-12 17:05:59 +00:00
|
|
|
fallback:
|
2014-02-06 21:04:19 +00:00
|
|
|
imlib_render_image_part_on_drawable_at_size(sx, sy, sw, sh, dx, dy, dw, dh);
|
|
|
|
}
|
2011-09-11 19:01:24 +00:00
|
|
|
img->dirty = false;
|
2011-01-18 19:11:28 +00:00
|
|
|
}
|
2011-01-20 22:22:00 +00:00
|
|
|
|
2013-02-08 21:05:31 +00:00
|
|
|
bool img_fit_win(img_t *img, scalemode_t sm)
|
|
|
|
{
|
2014-02-04 20:02:02 +00:00
|
|
|
float oz;
|
2011-02-03 13:32:02 +00:00
|
|
|
|
2014-02-04 20:02:02 +00:00
|
|
|
oz = img->zoom;
|
|
|
|
img->scalemode = sm;
|
|
|
|
|
|
|
|
if (img_fit(img)) {
|
|
|
|
img->x = img->win->w / 2 - (img->win->w / 2 - img->x) * img->zoom / oz;
|
|
|
|
img->y = img->win->h / 2 - (img->win->h / 2 - img->y) * img->zoom / oz;
|
|
|
|
img->checkpan = true;
|
2011-09-11 19:01:24 +00:00
|
|
|
return true;
|
2011-09-10 23:13:45 +00:00
|
|
|
} else {
|
2011-09-11 19:01:24 +00:00
|
|
|
return false;
|
2011-09-10 23:13:45 +00:00
|
|
|
}
|
2011-01-28 12:34:16 +00:00
|
|
|
}
|
|
|
|
|
2021-09-25 05:10:29 +00:00
|
|
|
bool img_zoom_to(img_t *img, float z)
|
2013-02-08 21:05:31 +00:00
|
|
|
{
|
2021-09-25 05:10:29 +00:00
|
|
|
int x, y;
|
|
|
|
if (ZOOM_MIN <= z && z <= ZOOM_MAX) {
|
2017-10-16 08:56:53 +00:00
|
|
|
win_cursor_pos(img->win, &x, &y);
|
2022-07-15 20:46:23 +00:00
|
|
|
if (x < 0 || (unsigned int)x >= img->win->w ||
|
|
|
|
y < 0 || (unsigned int)y >= img->win->h)
|
|
|
|
{
|
2017-10-16 08:56:53 +00:00
|
|
|
x = img->win->w / 2;
|
|
|
|
y = img->win->h / 2;
|
|
|
|
}
|
|
|
|
img->x = x - (x - img->x) * z / img->zoom;
|
|
|
|
img->y = y - (y - img->y) * z / img->zoom;
|
2011-01-20 22:22:00 +00:00
|
|
|
img->zoom = z;
|
2021-09-25 05:10:29 +00:00
|
|
|
img->scalemode = SCALE_ZOOM;
|
2023-09-30 08:53:32 +00:00
|
|
|
img->dirty = img->checkpan = true;
|
2011-09-11 19:01:24 +00:00
|
|
|
return true;
|
2011-01-20 22:22:00 +00:00
|
|
|
} else {
|
2011-09-11 19:01:24 +00:00
|
|
|
return false;
|
2011-01-20 22:22:00 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-09-25 05:10:29 +00:00
|
|
|
bool img_zoom(img_t *img, int d)
|
2013-02-08 21:05:31 +00:00
|
|
|
{
|
2023-02-10 05:35:53 +00:00
|
|
|
int i = d > 0 ? 0 : (int)ARRLEN(zoom_levels) - 1;
|
2022-07-15 20:46:23 +00:00
|
|
|
while (i >= 0 && i < (int)ARRLEN(zoom_levels) &&
|
2023-02-10 05:35:53 +00:00
|
|
|
(d > 0 ? zoom_levels[i] / 100 <= img->zoom : zoom_levels[i] / 100 >= img->zoom))
|
2021-12-01 12:27:17 +00:00
|
|
|
{
|
|
|
|
i += d;
|
|
|
|
}
|
2023-02-10 05:35:53 +00:00
|
|
|
i = MIN(MAX(i, 0), (int)ARRLEN(zoom_levels) - 1);
|
|
|
|
return img_zoom_to(img, zoom_levels[i] / 100);
|
2011-01-20 22:22:00 +00:00
|
|
|
}
|
2011-01-21 12:48:02 +00:00
|
|
|
|
2017-10-04 16:12:27 +00:00
|
|
|
bool img_pos(img_t *img, float x, float y)
|
2013-02-08 21:05:31 +00:00
|
|
|
{
|
2011-10-16 16:31:01 +00:00
|
|
|
float ox, oy;
|
2011-01-21 12:48:02 +00:00
|
|
|
|
|
|
|
ox = img->x;
|
|
|
|
oy = img->y;
|
|
|
|
|
2017-10-04 16:12:27 +00:00
|
|
|
img->x = x;
|
|
|
|
img->y = y;
|
2011-01-29 21:37:40 +00:00
|
|
|
|
2011-09-17 15:23:51 +00:00
|
|
|
img_check_pan(img, true);
|
2011-01-29 21:37:40 +00:00
|
|
|
|
2011-09-10 23:13:45 +00:00
|
|
|
if (ox != img->x || oy != img->y) {
|
2011-09-11 19:01:24 +00:00
|
|
|
img->dirty = true;
|
|
|
|
return true;
|
2011-09-10 23:13:45 +00:00
|
|
|
} else {
|
2011-09-11 19:01:24 +00:00
|
|
|
return false;
|
2011-09-10 23:13:45 +00:00
|
|
|
}
|
2011-01-29 21:37:40 +00:00
|
|
|
}
|
|
|
|
|
2021-11-20 03:51:49 +00:00
|
|
|
static bool img_move(img_t *img, float dx, float dy)
|
2017-10-04 16:12:27 +00:00
|
|
|
{
|
|
|
|
return img_pos(img, img->x + dx, img->y + dy);
|
|
|
|
}
|
|
|
|
|
2013-02-08 21:05:31 +00:00
|
|
|
bool img_pan(img_t *img, direction_t dir, int d)
|
|
|
|
{
|
2011-10-16 15:39:22 +00:00
|
|
|
/* d < 0: screen-wise
|
2017-07-23 00:15:47 +00:00
|
|
|
* d = 0: 1/PAN_FRACTION of screen
|
2011-10-16 15:39:22 +00:00
|
|
|
* d > 0: num of pixels
|
|
|
|
*/
|
2011-10-16 16:31:01 +00:00
|
|
|
float x, y;
|
2011-10-16 15:39:22 +00:00
|
|
|
|
|
|
|
if (d > 0) {
|
2023-02-10 05:35:53 +00:00
|
|
|
x = y = MAX(1, (float)d * img->zoom);
|
2011-10-16 15:39:22 +00:00
|
|
|
} else {
|
2017-07-23 00:15:47 +00:00
|
|
|
x = img->win->w / (d < 0 ? 1 : PAN_FRACTION);
|
|
|
|
y = img->win->h / (d < 0 ? 1 : PAN_FRACTION);
|
2011-10-16 15:39:22 +00:00
|
|
|
}
|
|
|
|
|
2011-01-21 12:48:02 +00:00
|
|
|
switch (dir) {
|
2022-08-16 08:54:31 +00:00
|
|
|
case DIR_LEFT:
|
|
|
|
return img_move(img, x, 0.0);
|
|
|
|
case DIR_RIGHT:
|
|
|
|
return img_move(img, -x, 0.0);
|
|
|
|
case DIR_UP:
|
|
|
|
return img_move(img, 0.0, y);
|
|
|
|
case DIR_DOWN:
|
|
|
|
return img_move(img, 0.0, -y);
|
2011-01-21 12:48:02 +00:00
|
|
|
}
|
2011-09-11 19:01:24 +00:00
|
|
|
return false;
|
2011-01-21 12:48:02 +00:00
|
|
|
}
|
2011-01-26 13:42:10 +00:00
|
|
|
|
2022-01-15 22:51:31 +00:00
|
|
|
bool img_pan_center(img_t *img)
|
|
|
|
{
|
|
|
|
float x, y;
|
|
|
|
x = (img->win->w - img->w * img->zoom) / 2.0;
|
|
|
|
y = (img->win->h - img->h * img->zoom) / 2.0;
|
|
|
|
return img_pos(img, x, y);
|
|
|
|
}
|
|
|
|
|
2013-02-08 21:05:31 +00:00
|
|
|
bool img_pan_edge(img_t *img, direction_t dir)
|
|
|
|
{
|
2018-01-22 09:18:28 +00:00
|
|
|
float ox, oy;
|
2011-05-16 13:54:09 +00:00
|
|
|
|
|
|
|
ox = img->x;
|
|
|
|
oy = img->y;
|
|
|
|
|
2014-07-23 21:41:23 +00:00
|
|
|
if (dir & DIR_LEFT)
|
|
|
|
img->x = 0;
|
|
|
|
if (dir & DIR_RIGHT)
|
|
|
|
img->x = img->win->w - img->w * img->zoom;
|
|
|
|
if (dir & DIR_UP)
|
|
|
|
img->y = 0;
|
|
|
|
if (dir & DIR_DOWN)
|
|
|
|
img->y = img->win->h - img->h * img->zoom;
|
2011-05-16 13:54:09 +00:00
|
|
|
|
2011-09-17 15:23:51 +00:00
|
|
|
img_check_pan(img, true);
|
2011-05-16 13:54:09 +00:00
|
|
|
|
2011-09-10 23:13:45 +00:00
|
|
|
if (ox != img->x || oy != img->y) {
|
2011-09-11 19:01:24 +00:00
|
|
|
img->dirty = true;
|
|
|
|
return true;
|
2011-09-10 23:13:45 +00:00
|
|
|
} else {
|
2011-09-11 19:01:24 +00:00
|
|
|
return false;
|
2011-09-10 23:13:45 +00:00
|
|
|
}
|
2011-05-16 13:54:09 +00:00
|
|
|
}
|
|
|
|
|
2013-08-10 13:55:18 +00:00
|
|
|
void img_rotate(img_t *img, degree_t d)
|
2013-02-08 21:05:31 +00:00
|
|
|
{
|
2022-07-15 20:46:23 +00:00
|
|
|
unsigned int i, tmp;
|
2018-01-22 09:18:28 +00:00
|
|
|
float ox, oy;
|
2011-01-26 13:42:10 +00:00
|
|
|
|
2011-02-25 11:08:12 +00:00
|
|
|
imlib_context_set_image(img->im);
|
2011-01-26 13:42:10 +00:00
|
|
|
imlib_image_orientate(d);
|
|
|
|
|
2014-01-09 19:32:22 +00:00
|
|
|
for (i = 0; i < img->multi.cnt; i++) {
|
|
|
|
if (i != img->multi.sel) {
|
|
|
|
imlib_context_set_image(img->multi.frames[i].im);
|
|
|
|
imlib_image_orientate(d);
|
|
|
|
}
|
|
|
|
}
|
2013-08-10 13:55:18 +00:00
|
|
|
if (d == DEGREE_90 || d == DEGREE_270) {
|
|
|
|
ox = d == DEGREE_90 ? img->x : img->win->w - img->x - img->w * img->zoom;
|
|
|
|
oy = d == DEGREE_270 ? img->y : img->win->h - img->y - img->h * img->zoom;
|
|
|
|
|
2024-04-23 06:47:09 +00:00
|
|
|
img->x = oy + (int)(img->win->w - img->win->h) / 2;
|
|
|
|
img->y = ox + (int)(img->win->h - img->win->w) / 2;
|
2011-01-26 13:42:10 +00:00
|
|
|
|
2013-06-23 14:02:26 +00:00
|
|
|
tmp = img->w;
|
|
|
|
img->w = img->h;
|
|
|
|
img->h = tmp;
|
|
|
|
img->checkpan = true;
|
|
|
|
}
|
2011-09-11 19:01:24 +00:00
|
|
|
img->dirty = true;
|
2011-01-26 13:42:10 +00:00
|
|
|
}
|
|
|
|
|
2013-02-08 21:05:31 +00:00
|
|
|
void img_flip(img_t *img, flipdir_t d)
|
|
|
|
{
|
2022-07-15 20:46:23 +00:00
|
|
|
unsigned int i;
|
2014-01-09 19:32:22 +00:00
|
|
|
void (*imlib_flip_op[3])(void) = {
|
|
|
|
imlib_image_flip_horizontal,
|
|
|
|
imlib_image_flip_vertical,
|
|
|
|
imlib_image_flip_diagonal
|
|
|
|
};
|
|
|
|
|
|
|
|
d = (d & (FLIP_HORIZONTAL | FLIP_VERTICAL)) - 1;
|
|
|
|
|
2015-10-28 19:59:48 +00:00
|
|
|
if (d < 0 || d >= ARRLEN(imlib_flip_op))
|
2012-05-06 07:39:45 +00:00
|
|
|
return;
|
|
|
|
|
|
|
|
imlib_context_set_image(img->im);
|
2014-01-09 19:32:22 +00:00
|
|
|
imlib_flip_op[d]();
|
2012-05-06 07:39:45 +00:00
|
|
|
|
2014-01-09 19:32:22 +00:00
|
|
|
for (i = 0; i < img->multi.cnt; i++) {
|
|
|
|
if (i != img->multi.sel) {
|
|
|
|
imlib_context_set_image(img->multi.frames[i].im);
|
|
|
|
imlib_flip_op[d]();
|
|
|
|
}
|
2014-01-09 19:24:58 +00:00
|
|
|
}
|
2012-05-06 11:02:34 +00:00
|
|
|
img->dirty = true;
|
2012-05-06 07:39:45 +00:00
|
|
|
}
|
|
|
|
|
2013-02-08 21:05:31 +00:00
|
|
|
void img_toggle_antialias(img_t *img)
|
|
|
|
{
|
2022-09-10 13:30:40 +00:00
|
|
|
img->anti_alias = !img->anti_alias;
|
2011-09-10 23:13:45 +00:00
|
|
|
imlib_context_set_image(img->im);
|
2022-09-10 13:30:40 +00:00
|
|
|
imlib_context_set_anti_alias(img->anti_alias);
|
2011-09-11 19:01:24 +00:00
|
|
|
img->dirty = true;
|
2011-01-26 13:59:32 +00:00
|
|
|
}
|
2011-08-18 14:05:32 +00:00
|
|
|
|
2022-12-22 11:21:40 +00:00
|
|
|
static double steps_to_range(int d, double max, double offset)
|
2013-11-13 19:54:09 +00:00
|
|
|
{
|
2022-12-22 11:21:40 +00:00
|
|
|
return offset + d * ((d <= 0 ? 1.0 : (max - 1.0)) / CC_STEPS);
|
|
|
|
}
|
2013-11-13 19:54:09 +00:00
|
|
|
|
2022-12-22 11:21:40 +00:00
|
|
|
void img_update_color_modifiers(img_t *img)
|
|
|
|
{
|
|
|
|
assert(imlib_context_get_color_modifier() == img->cmod);
|
|
|
|
imlib_reset_color_modifier();
|
2013-11-14 16:06:20 +00:00
|
|
|
|
2022-12-22 11:21:40 +00:00
|
|
|
if (img->gamma != 0)
|
|
|
|
imlib_modify_color_modifier_gamma(steps_to_range(img->gamma, GAMMA_MAX, 1.0));
|
|
|
|
if (img->brightness != 0)
|
|
|
|
imlib_modify_color_modifier_brightness(steps_to_range(img->brightness, BRIGHTNESS_MAX, 0.0));
|
|
|
|
if (img->contrast != 0)
|
|
|
|
imlib_modify_color_modifier_contrast(steps_to_range(img->contrast, CONTRAST_MAX, 1.0));
|
|
|
|
|
|
|
|
img->dirty = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool img_change_color_modifier(img_t *img, int d, int *target)
|
|
|
|
{
|
|
|
|
int value = d == 0 ? 0 : MIN(MAX(*target + d, -CC_STEPS), CC_STEPS);
|
|
|
|
|
|
|
|
if (*target == value)
|
2013-11-14 16:06:20 +00:00
|
|
|
return false;
|
2022-12-22 11:21:40 +00:00
|
|
|
|
|
|
|
*target = value;
|
|
|
|
img_update_color_modifiers(img);
|
|
|
|
return true;
|
2013-11-13 19:54:09 +00:00
|
|
|
}
|
|
|
|
|
2021-11-20 03:51:49 +00:00
|
|
|
static bool img_frame_goto(img_t *img, int n)
|
2013-02-08 21:05:31 +00:00
|
|
|
{
|
2022-07-15 20:46:23 +00:00
|
|
|
if (n < 0 || (unsigned int)n >= img->multi.cnt || (unsigned int)n == img->multi.sel)
|
2011-09-11 19:01:24 +00:00
|
|
|
return false;
|
2011-08-18 14:05:32 +00:00
|
|
|
|
|
|
|
img->multi.sel = n;
|
|
|
|
img->im = img->multi.frames[n].im;
|
|
|
|
|
|
|
|
imlib_context_set_image(img->im);
|
|
|
|
img->w = imlib_image_get_width();
|
|
|
|
img->h = imlib_image_get_height();
|
2011-09-11 19:01:24 +00:00
|
|
|
img->checkpan = true;
|
|
|
|
img->dirty = true;
|
2011-08-18 14:05:32 +00:00
|
|
|
|
2011-09-11 19:01:24 +00:00
|
|
|
return true;
|
2011-08-18 14:05:32 +00:00
|
|
|
}
|
|
|
|
|
2013-02-08 21:05:31 +00:00
|
|
|
bool img_frame_navigate(img_t *img, int d)
|
|
|
|
{
|
2015-10-28 19:59:48 +00:00
|
|
|
if (img->multi.cnt == 0 || d == 0)
|
2011-09-11 19:01:24 +00:00
|
|
|
return false;
|
2011-08-18 14:05:32 +00:00
|
|
|
|
|
|
|
d += img->multi.sel;
|
2022-07-15 20:46:23 +00:00
|
|
|
d = MAX(0, MIN(d, (int)img->multi.cnt - 1));
|
2011-08-18 14:05:32 +00:00
|
|
|
|
|
|
|
return img_frame_goto(img, d);
|
|
|
|
}
|
|
|
|
|
2014-09-01 18:41:27 +00:00
|
|
|
bool img_frame_animate(img_t *img)
|
2013-02-08 21:05:31 +00:00
|
|
|
{
|
2022-04-27 01:25:11 +00:00
|
|
|
if (img->multi.cnt > 0)
|
|
|
|
return img_frame_goto(img, (img->multi.sel + 1) % img->multi.cnt);
|
2014-09-01 18:41:27 +00:00
|
|
|
else
|
2022-04-27 01:25:11 +00:00
|
|
|
return false;
|
2011-08-18 14:05:32 +00:00
|
|
|
}
|