Use pthread to load thumbnails

This commit is contained in:
Bert 2011-02-16 23:03:42 +01:00
parent 26c2179be7
commit e0d0892065
4 changed files with 55 additions and 14 deletions

View File

@ -6,7 +6,7 @@ CC?=gcc
PREFIX?=/usr/local
CFLAGS+= -Wall -pedantic -DVERSION=\"$(VERSION)\"
LDFLAGS+=
LIBS+= -lX11 -lImlib2
LIBS+= -lX11 -lImlib2 -lpthread
SRCFILES=$(wildcard *.c)
OBJFILES=$(SRCFILES:.c=.o)

7
main.c
View File

@ -473,19 +473,22 @@ void run() {
timeout = 0;
while (1) {
if (timeout) {
if (timeout || (mode == MODE_THUMBS && !tns.loaded)) {
t.tv_sec = 0;
t.tv_usec = 250;
xfd = ConnectionNumber(win.env.dpy);
FD_ZERO(&fds);
FD_SET(xfd, &fds);
if (!XPending(win.env.dpy) && !select(xfd + 1, &fds, 0, 0, &t)) {
timeout = 0;
if (mode == MODE_NORMAL)
img_render(&img, &win);
else
tns_render(&tns, &win);
if (mode == MODE_THUMBS && !tns.loaded && !XPending(win.env.dpy))
continue;
}
}

View File

@ -17,6 +17,8 @@
*/
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <Imlib2.h>
@ -24,23 +26,28 @@
#include "thumbs.h"
#include "util.h"
typedef struct tload_s {
const char **filenames;
tns_t *tns;
win_t *win;
} tload_t;
const int thumb_dim = THUMB_SIZE + 10;
void tns_load(tns_t *tns, win_t *win, const char **fnames, int fcnt) {
pthread_t loader;
tload_t tinfo;
void* thread_load(void *arg) {
int i, w, h;
float z, zw, zh;
tload_t *tl;
thumb_t *t;
Imlib_Image *im;
if (!tns || !win || !fnames || !fcnt)
return;
tns->thumbs = (thumb_t*) s_malloc(fcnt * sizeof(thumb_t));
tns->cnt = fcnt;
tns->loaded = 0;
tl = (tload_t*) arg;
for (i = 0; i < fcnt; ++i) {
if (!(im = imlib_load_image(fnames[i])))
for (i = 0; i < tl->tns->cnt; ++i) {
if (!(im = imlib_load_image(tl->filenames[i])))
continue;
imlib_context_set_image(im);
@ -51,16 +58,43 @@ void tns_load(tns_t *tns, win_t *win, const char **fnames, int fcnt) {
zh = (float) THUMB_SIZE / (float) h;
z = MIN(zw, zh);
t = &tns->thumbs[i];
t = &tl->tns->thumbs[i];
t->w = z * w;
t->h = z * h;
t->pm = win_create_pixmap(win, t->w, t->h);
t->pm = win_create_pixmap(tl->win, t->w, t->h);
imlib_context_set_drawable(t->pm);
imlib_render_image_part_on_drawable_at_size(0, 0, w, h,
0, 0, t->w, t->h);
t->loaded = 1;
imlib_free_image();
}
tl->tns->loaded = 1;
return 0;
}
void tns_load(tns_t *tns, win_t *win, const char **fnames, int fcnt) {
pthread_attr_t tattr;
if (!tns || !win || !fnames || !fcnt)
return;
tns->thumbs = (thumb_t*) s_malloc(fcnt * sizeof(thumb_t));
memset(tns->thumbs, 0, fcnt * sizeof(thumb_t));
tns->cnt = fcnt;
tns->loaded = 0;
tinfo.filenames = fnames;
tinfo.tns = tns;
tinfo.win = win;
pthread_attr_init(&tattr);
pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_JOINABLE);
if (pthread_create(&loader, &tattr, thread_load, (void*) &tinfo))
die("could not create thread");
}
void tns_free(tns_t *tns, win_t *win) {
@ -96,6 +130,9 @@ void tns_render(tns_t *tns, win_t *win) {
i = tns->first;
while (i < cnt) {
if (!tns->thumbs[i].loaded)
continue;
tns->thumbs[i].x = x + (THUMB_SIZE - tns->thumbs[i].w) / 2;
tns->thumbs[i].y = y + (THUMB_SIZE - tns->thumbs[i].h) / 2;
win_draw_pixmap(win, tns->thumbs[i].pm, tns->thumbs[i].x,

View File

@ -27,6 +27,7 @@ typedef struct thumb_s {
int w;
int h;
Pixmap pm;
unsigned char loaded;
} thumb_t;
typedef struct tns_s {