void pdfapp_open(pdfapp_t *app, char *filename, int fd, int reload)
{
if (strstr(filename, ".xps") || strstr(filename, ".XPS") || strstr(filename, ".rels"))
pdfapp_open_xps(app, filename, fd);
else
pdfapp_open_pdf(app, filename, fd);
app->cache = fz_new_glyph_cache();
if (app->pageno < 1)
app->pageno = 1;
if (app->pageno > app->pagecount)
app->pageno = app->pagecount;
if (app->resolution < MINRES)
app->resolution = MINRES;
if (app->resolution > MAXRES)
app->resolution = MAXRES;
if (!reload)
{
app->shrinkwrap = 1;
app->rotate = 0;
app->panx = 0;
app->pany = 0;
}
pdfapp_showpage(app, 1, 1, 1);
}
Pdf::Pdf()
{
if (references == 0) {
ctx = fz_new_context(&fz_alloc_default, 256 << 20); // 256MB cache
cache = fz_new_glyph_cache(ctx);
}
++references;
xref = 0;
}
static int _pdf_doc_load(struct _pdf_doc *self, mume_stream_t *stm)
{
fz_error error;
fz_stream *fzstm;
fz_rect *mbox;
fz_obj *page_obj, *box_obj;
int i, c;
_pdf_doc_clear(self);
fzstm = fz_new_stream(stm, _pdf_stream_read, _pdf_stream_close);
mume_stream_reference(stm);
fzstm->seek = _pdf_stream_seek;
error = pdf_open_xref_with_stream(&self->xref, fzstm, NULL);
fz_close(fzstm);
if (error) {
mume_error(("Read xref failed\n", error));
return 0;
}
assert(!pdf_needs_password(self->xref));
/* Load meta information. */
error = pdf_load_page_tree(self->xref);
if (error) {
mume_error(("Cannot load page tree\n"));
return 0;
}
c = pdf_count_pages(self->xref);
self->glyph_cache = fz_new_glyph_cache();
self->pages = calloc_abort(c, sizeof(pdf_page*));
self->disps = calloc_abort(c, sizeof(fz_display_list*));
self->media_boxes = malloc_abort(c * sizeof(fz_rect));
self->page_rotates = malloc_abort(c * sizeof(int));
/* Extract each pages' media box and rotation. */
for (i = 0; i < c; ++i) {
mbox = self->media_boxes + i;
page_obj = self->xref->page_objs[i];
if (!page_obj) {
*mbox = fz_empty_rect;
continue;
}
box_obj = fz_dict_gets(page_obj, "MediaBox");
*mbox = pdf_to_rect(box_obj);
if (fz_is_empty_rect(*mbox)) {
fz_warn("Cannot find page bounds, guessing page bounds.");
mbox->x1 = 612;
mbox->y1 = 792;
}
box_obj = fz_dict_gets(page_obj, "CropBox");
if (fz_is_array(box_obj))
*mbox = fz_intersect_rect(*mbox, pdf_to_rect(box_obj));
self->page_rotates[i] = fz_to_int(
fz_dict_gets(page_obj, "Rotate"));
if (self->page_rotates[i] % 90)
self->page_rotates[i] = 0;
}
return 1;
}
int main(int argc, char **argv)
{
int grayscale = 0;
int accelerate = 1;
xps_context *ctx;
int code;
int c;
while ((c = fz_getopt(argc, argv, "o:p:r:Aadglmtx5")) != -1)
{
switch (c)
{
case 'o': output = fz_optarg; break;
case 'r': resolution = atof(fz_optarg); break;
case 'A': accelerate = 0; break;
case 'a': savealpha = 1; break;
case 'l': showoutline++; break;
case 'm': showtime++; break;
case 't': showtext++; break;
case 'x': showxml++; break;
case '5': showmd5++; break;
case 'g': grayscale++; break;
case 'd': uselist = 0; break;
default: usage(); break;
}
}
if (fz_optind == argc)
usage();
if (!showtext && !showxml && !showtime && !showmd5 && !showoutline && !output)
{
printf("nothing to do\n");
exit(0);
}
if (accelerate)
fz_accelerate();
glyphcache = fz_new_glyph_cache();
colorspace = fz_device_rgb;
if (grayscale)
colorspace = fz_device_gray;
if (output && strstr(output, ".pgm"))
colorspace = fz_device_gray;
if (output && strstr(output, ".ppm"))
colorspace = fz_device_rgb;
timing.count = 0;
timing.total = 0;
timing.min = 1 << 30;
timing.max = 0;
timing.minpage = 0;
timing.maxpage = 0;
if (showxml)
printf("<?xml version=\"1.0\"?>\n");
while (fz_optind < argc)
{
filename = argv[fz_optind++];
code = xps_open_file(&ctx, filename);
if (code)
die(fz_rethrow(code, "cannot open document: %s", filename));
if (showxml)
printf("<document name=\"%s\">\n", filename);
if (showoutline)
drawoutline(ctx);
if (showtext || showxml || showtime || showmd5 || output)
{
if (fz_optind == argc || !isrange(argv[fz_optind]))
drawrange(ctx, "1-");
if (fz_optind < argc && isrange(argv[fz_optind]))
drawrange(ctx, argv[fz_optind++]);
}
if (showxml)
printf("</document>\n");
xps_free_context(ctx);
}
if (showtime)
{
printf("total %dms / %d pages for an average of %dms\n",
timing.total, timing.count, timing.total / timing.count);
printf("fastest page %d: %dms\n", timing.minpage, timing.min);
printf("slowest page %d: %dms\n", timing.maxpage, timing.max);
}
fz_free_glyph_cache(glyphcache);
return 0;
}