static void pdfapp_open_xps(pdfapp_t *app, char *filename, int fd)
{
fz_error error;
fz_stream *file;
file = fz_open_fd(fd);
error = xps_open_stream(&app->xps, file);
if (error)
pdfapp_error(app, fz_rethrow(error, "cannot open document '%s'", filename));
fz_close(file);
app->doctitle = filename;
app->pagecount = xps_count_pages(app->xps);
}
static void drawrange(xps_context *ctx, char *range)
{
int page, spage, epage;
char *spec, *dash;
spec = fz_strsep(&range, ",");
while (spec)
{
dash = strchr(spec, '-');
if (dash == spec)
spage = epage = xps_count_pages(ctx);
else
spage = epage = atoi(spec);
if (dash)
{
if (strlen(dash) > 1)
epage = atoi(dash + 1);
else
epage = xps_count_pages(ctx);
}
spage = CLAMP(spage, 1, xps_count_pages(ctx));
epage = CLAMP(epage, 1, xps_count_pages(ctx));
if (spage < epage)
for (page = spage; page <= epage; page++)
drawpage(ctx, page);
else
for (page = spage; page >= epage; page--)
drawpage(ctx, page);
spec = fz_strsep(&range, ",");
}
}
