static void close_doc(globals *glo)
{
int i;
fz_free(glo->ctx, glo->hit_bbox);
glo->hit_bbox = NULL;
for (i = 0; i < NUM_CACHE; i++)
drop_page_cache(glo, &glo->pages[i]);
fz_close_document(glo->doc);
glo->doc = NULL;
}
JNIEXPORT void JNICALL
Java_com_artifex_mupdf_MuPDFCore_destroying(JNIEnv * env, jobject thiz)
{
int i;
fz_free(ctx, hit_bbox);
hit_bbox = NULL;
for (i = 0; i < NUM_CACHE; i++)
drop_page_cache(&pages[i]);
fz_close_document(doc);
doc = NULL;
}
int main(int argc, char **argv)
{
unsigned long st, end, j;
char *fname;
unsigned long num_file_blks = FILE_SIZE / BLK_SIZE;
char cmd[100];
int fid, r, rnds = 100;
char buf[BLK_SIZE];
if (argc >= 2) {
keep_time = atoi(argv[1]);
fname = argv[2];
if (argc == 4) {
rnds = atoi(argv[3]);
}
}
drop_page_cache(fname);
fid = open(fname, O_RDONLY | O_DIRECT);
if (fid == -1) {
printf("error opening file %s\n", fname);
perror("open");
return 1;
}
if (keep_time) {
st = rdtsc();
}
for (r = 0; r < rnds; r++) {
for (j = 0; j < num_file_blks; j++) {
unsigned long off = j * BLK_SIZE;
pread(fid, buf, BLK_SIZE, off);
}
}
if (keep_time) {
end = rdtsc();
sprintf(cmd, "echo %lu >> res.time", end - st);
system(cmd);
}
return 0;
}
JNIEXPORT void JNICALL
JNI_FN(MuPDF_gotoPageInternal)(JNIEnv *env, jobject thiz, int page)
{
int i;
int furthest;
int furthest_dist = -1;
float zoom;
fz_matrix ctm;
fz_irect bbox;
page_cache *pc;
globals *glo = get_globals(env, thiz);
fz_context *ctx = glo->ctx;
for (i = 0; i < NUM_CACHE; i++)
{
if (glo->pages[i].page != NULL && glo->pages[i].number == page)
{
/* The page is already cached */
glo->current = i;
return;
}
if (glo->pages[i].page == NULL)
{
/* cache record unused, and so a good one to use */
furthest = i;
furthest_dist = INT_MAX;
}
else
{
int dist = abs(glo->pages[i].number - page);
/* Further away - less likely to be needed again */
if (dist > furthest_dist)
{
furthest_dist = dist;
furthest = i;
}
}
}
glo->current = furthest;
pc = &glo->pages[glo->current];
drop_page_cache(glo, pc);
/* In the event of an error, ensure we give a non-empty page */
pc->width = 100;
pc->height = 100;
pc->number = page;
LOGE("Goto page %d...", page);
fz_try(ctx)
{
fz_rect rect;
LOGI("Load page %d", pc->number);
pc->page = fz_load_page(glo->doc, pc->number);
zoom = glo->resolution / 72;
fz_bound_page(glo->doc, pc->page, &pc->media_box);
fz_scale(&ctm, zoom, zoom);
rect = pc->media_box;
fz_round_rect(&bbox, fz_transform_rect(&rect, &ctm));
pc->width = bbox.x1-bbox.x0;
pc->height = bbox.y1-bbox.y0;
}
fz_catch(ctx)
{
LOGE("cannot make displaylist from page %d", pc->number);
}
}
JNIEXPORT void JNICALL
Java_com_artifex_mupdf_MuPDFCore_gotoPageInternal(JNIEnv *env, jobject thiz, int page)
{
int i;
int furthest;
int furthest_dist = -1;
float zoom;
fz_matrix ctm;
fz_bbox bbox;
page_cache *pc;
for (i = 0; i < NUM_CACHE; i++)
{
if (pages[i].page != NULL && pages[i].number == page)
{
/* The page is already cached */
current = i;
return;
}
if (pages[i].page == NULL)
{
/* cache record unused, and so a good one to use */
furthest = i;
furthest_dist = INT_MAX;
}
else
{
int dist = abs(pages[i].number - page);
/* Further away - less likely to be needed again */
if (dist > furthest_dist)
{
furthest_dist = dist;
furthest = i;
}
}
}
current = furthest;
pc = &pages[current];
drop_page_cache(pc);
/* In the event of an error, ensure we give a non-empty page */
pc->width = 100;
pc->height = 100;
pc->number = page;
LOGE("Goto page %d...", page);
fz_try(ctx)
{
LOGI("Load page %d", pc->number);
pc->page = fz_load_page(doc, pc->number);
zoom = resolution / 72;
pc->media_box = fz_bound_page(doc, pc->page);
ctm = fz_scale(zoom, zoom);
bbox = fz_round_rect(fz_transform_rect(ctm, pc->media_box));
pc->width = bbox.x1-bbox.x0;
pc->height = bbox.y1-bbox.y0;
}
fz_catch(ctx)
{
LOGE("cannot make displaylist from page %d", pc->number);
}
}
