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Fix behaviour when TrueColor / 24 bit depth is not available (#114)

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* Fix regression introduced in c7ca547 which made nsxiv not start in
  non-TrueColor X server.
* Introduce a new fix for embedding into tabbed-alpha. 
* Fixes a visual glitch from original sxiv when drawing transparent images in 8
  bit depth. In 8 bit PseudoColor, `.pixel` is just an index into the 256
  defined colors and thus trying to extract rgb bits from it would result in
  visual glitch. The values `.color.red` on the other hand and so on are always
  integers between 0 and 0xFFFF representing the color as expected.
* Use XColor for win_bg/fg and mrk_fg

Co-authored-by: NRK <nrk@disroot.org>
This commit is contained in:
miseran
2021-10-12 01:46:35 +02:00
committed by GitHub
parent 1449bfc5e9
commit cd710f583f
4 changed files with 24 additions and 33 deletions
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8
thumbs.c
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@@ -44,7 +44,7 @@ char* tns_cache_filepath(const char *filepath)
if (*filepath != '/')
return NULL;
if (strncmp(filepath, cache_dir, strlen(cache_dir)) != 0) {
/* don't cache images inside the cache directory! */
len = strlen(cache_dir) + strlen(filepath) + 2;
@@ -469,14 +469,14 @@ void tns_mark(tns_t *tns, int n, bool mark)
if (n >= 0 && n < *tns->cnt && tns->thumbs[n].im != NULL) {
win_t *win = tns->win;
thumb_t *t = &tns->thumbs[n];
unsigned long col = win->win_bg;
unsigned long col = win->win_bg.pixel;
int x = t->x + t->w, y = t->y + t->h;
win_draw_rect(win, x - 1, y + 1, 1, tns->bw, true, 1, col);
win_draw_rect(win, x + 1, y - 1, tns->bw, 1, true, 1, col);
if (mark)
col = win->mrk_fg;
col = win->mrk_fg.pixel;
win_draw_rect(win, x, y, tns->bw + 2, tns->bw + 2, true, 1, col);
@@ -490,7 +490,7 @@ void tns_highlight(tns_t *tns, int n, bool hl)
if (n >= 0 && n < *tns->cnt && tns->thumbs[n].im != NULL) {
win_t *win = tns->win;
thumb_t *t = &tns->thumbs[n];
unsigned long col = hl ? win->win_fg : win->win_bg;
unsigned long col = hl ? win->win_fg.pixel : win->win_bg.pixel;
int oxy = (tns->bw + 1) / 2 + 1, owh = tns->bw + 2;
win_draw_rect(win, t->x - oxy, t->y - oxy, t->w + owh, t->h + owh,