1 /* lots of code c&p-ed directly from mupdf */
12 #include <sys/types.h>
13 #include <sys/ioctl.h>
16 #include <cygwin/socket.h> /* FIONREAD */
26 #include <caml/fail.h>
27 #include <caml/alloc.h>
28 #include <caml/memory.h>
29 #include <caml/unixsupport.h>
36 #include FT_FREETYPE_H
41 #define NORETURN __attribute__ ((noreturn))
42 #define UNUSED __attribute__ ((unused))
43 #define OPTIMIZE(n) __attribute__ ((optimize ("O"#n)))
44 #define GCC_FMT_ATTR(a, b) __attribute__ ((format (printf, a, b)))
49 #define GCC_FMT_ATTR(a, b)
55 #define FMT_ptr_cast(p) (p)
56 #define FMT_ptr_cast2(p) (p)
58 static void NORETURN
GCC_FMT_ATTR (2, 3)
59 err (int exitcode
, const char *fmt
, ...)
66 vfprintf (stderr
, fmt
, ap
);
68 fprintf (stderr
, ": %s\n", strerror (savederrno
));
73 static void NORETURN
GCC_FMT_ATTR (2, 3)
74 errx (int exitcode
, const char *fmt
, ...)
79 vfprintf (stderr
, fmt
, ap
);
86 #ifndef GL_TEXTURE_RECTANGLE_ARB
87 #define GL_TEXTURE_RECTANGLE_ARB 0x84F5
91 #define GL_BGRA 0x80E1
94 #ifndef GL_UNSIGNED_INT_8_8_8_8
95 #define GL_UNSIGNED_INT_8_8_8_8 0x8035
98 #ifndef GL_UNSIGNED_INT_8_8_8_8_REV
99 #define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
103 #define lprintf printf
108 #define ARSERT(cond) for (;;) { \
110 errx (1, "%s:%d " #cond, __FILE__, __LINE__); \
125 struct slice slices
[1];
136 fz_matrix ctm
, zoomctm
, lctm
, tctm
;
144 enum { DPDF
, DXPS
, DCBZ
};
158 fz_display_list
*dlist
;
160 struct slink
*slinks
;
165 void (*freepage
) (void *);
171 struct pagedim
*pagedims
;
190 fz_colorspace
*colorspace
;
212 void (*closedoc
) (void);
213 void (*freepage
) (void *);
216 static void UNUSED
debug_rect (const char *cap
, fz_rect r
)
218 printf ("%s(rect) %.2f,%.2f,%.2f,%.2f\n", cap
, r
.x0
, r
.y0
, r
.x1
, r
.y1
);
221 static void UNUSED
debug_bbox (const char *cap
, fz_bbox r
)
223 printf ("%s(bbox) %d,%d,%d,%d\n", cap
, r
.x0
, r
.y0
, r
.x1
, r
.y1
);
226 static void UNUSED
debug_matrix (const char *cap
, fz_matrix m
)
228 printf ("%s(matrix) %.2f,%.2f,%.2f,%.2f %.2f %.2f\n", cap
,
229 m
.a
, m
.b
, m
.c
, m
.d
, m
.e
, m
.f
);
232 static pthread_mutex_t mutex
= PTHREAD_MUTEX_INITIALIZER
;
234 static void lock (const char *cap
)
236 int ret
= pthread_mutex_lock (&mutex
);
238 errx (1, "%s: pthread_mutex_lock: %s", cap
, strerror (ret
));
242 static void unlock (const char *cap
)
244 int ret
= pthread_mutex_unlock (&mutex
);
246 errx (1, "%s: pthread_mutex_unlock: %s", cap
, strerror (ret
));
250 static int trylock (const char *cap
)
252 int ret
= pthread_mutex_trylock (&mutex
);
254 if (ret
&& ret
!= EBUSY
) {
255 errx (1, "%s: pthread_mutex_trylock: %s", cap
, strerror (ret
));
260 static void *parse_pointer (const char *cap
, const char *s
)
265 ret
= sscanf (s
, "%" FMT_ptr
, FMT_ptr_cast (&ptr
));
267 errx (1, "%s: cannot parse pointer in `%s'", cap
, s
);
272 static double now (void)
276 if (gettimeofday (&tv
, NULL
)) {
277 err (1, "gettimeofday");
279 return tv
.tv_sec
+ tv
.tv_usec
*1e-6;
282 static int hasdata (void)
285 ret
= ioctl (state
.cr
, FIONREAD
, &avail
);
286 if (ret
) err (1, "hasdata: FIONREAD error ret=%d", ret
);
290 CAMLprim value
ml_hasdata (value fd_v
)
295 ret
= ioctl (Int_val (fd_v
), FIONREAD
, &avail
);
296 if (ret
) uerror ("ioctl (FIONREAD)", Nothing
);
297 CAMLreturn (Val_bool (avail
> 0));
300 static void readdata (void *p
, int size
)
304 n
= read (state
.cr
, p
, size
);
306 if (!n
) errx (1, "EOF while reading");
307 err (1, "read (req %d, ret %zd)", size
, n
);
311 static void writedata (char *p
, int size
)
316 buf
[0] = (size
>> 24) & 0xff;
317 buf
[1] = (size
>> 16) & 0xff;
318 buf
[2] = (size
>> 8) & 0xff;
319 buf
[3] = (size
>> 0) & 0xff;
321 n
= write (state
.cw
, buf
, 4);
323 if (!n
) errx (1, "EOF while writing length");
324 err (1, "write %zd", n
);
327 n
= write (state
.cw
, p
, size
);
329 if (!n
) errx (1, "EOF while writing data");
330 err (1, "write (req %d, ret %zd)", size
, n
);
334 static int readlen (void)
339 return (p
[0] << 24) | (p
[1] << 16) | (p
[2] << 8) | p
[3];
342 static void GCC_FMT_ATTR (1, 2) printd (const char *fmt
, ...)
350 if (!buf
) err (errno
, "malloc for temp buf (%d bytes) failed", size
);
353 len
= vsnprintf (buf
, size
, fmt
, ap
);
356 if (len
> -1 && len
< size
) {
357 writedata (buf
, len
);
367 buf
= realloc (buf
, size
);
372 static void closepdf (void)
375 pdf_close_document (state
.u
.pdf
);
380 static void closexps (void)
383 xps_close_document (state
.u
.xps
);
388 static void closecbz (void)
391 cbz_close_document (state
.u
.cbz
);
396 static void freepdfpage (void *ptr
)
398 pdf_free_page (state
.u
.pdf
, ptr
);
401 static void freexpspage (void *ptr
)
403 xps_free_page (state
.u
.xps
, ptr
);
406 static void freecbzpage (void *ptr
)
408 cbz_free_page (state
.u
.cbz
, ptr
);
411 static void openxref (char *filename
, char *password
)
415 for (i
= 0; i
< state
.texcount
; ++i
) {
416 state
.texowners
[i
].w
= -1;
417 state
.texowners
[i
].slice
= NULL
;
420 if (state
.closedoc
) state
.closedoc ();
422 len
= strlen (filename
);
428 ext
[0] = tolower ((int) filename
[len
-3]);
429 ext
[1] = tolower ((int) filename
[len
-2]);
430 ext
[2] = tolower ((int) filename
[len
-1]);
432 /**/ if (ext
[0] == 'x' && ext
[1] == 'p' && ext
[2] == 's') {
435 else if (ext
[0] == 'c' && ext
[1] == 'b' && ext
[2] == 'z') {
440 if (state
.pagedims
) {
441 free (state
.pagedims
);
442 state
.pagedims
= NULL
;
444 state
.pagedimcount
= 0;
446 fz_set_aa_level (state
.ctx
, state
.aalevel
);
447 switch (state
.type
) {
449 state
.u
.pdf
= pdf_open_document (state
.ctx
, filename
);
450 if (pdf_needs_password (state
.u
.pdf
)) {
451 int okay
= pdf_authenticate_password (state
.u
.pdf
, password
);
453 errx (1, "invalid password");
456 state
.pagecount
= pdf_count_pages (state
.u
.pdf
);
457 state
.closedoc
= closepdf
;
458 state
.freepage
= freepdfpage
;
462 state
.u
.xps
= xps_open_document (state
.ctx
, filename
);
463 state
.pagecount
= xps_count_pages (state
.u
.xps
);
464 state
.closedoc
= closexps
;
465 state
.freepage
= freexpspage
;
469 state
.u
.cbz
= cbz_open_document (state
.ctx
, filename
);
470 state
.pagecount
= cbz_count_pages (state
.u
.cbz
);
471 state
.closedoc
= closecbz
;
472 state
.freepage
= freecbzpage
;
477 static void pdfinfo (void)
479 if (state
.type
== DPDF
) {
482 printd ("info PDF version\t%d.%d",
483 state
.u
.pdf
->version
/ 10, state
.u
.pdf
->version
% 10);
485 infoobj
= pdf_dict_gets (state
.u
.pdf
->trailer
, "Info");
489 char *items
[] = { "Title", "Author", "Creator",
490 "Producer", "CreationDate" };
492 for (i
= 0; i
< sizeof (items
) / sizeof (*items
); ++i
) {
493 pdf_obj
*obj
= pdf_dict_gets (infoobj
, items
[i
]);
494 s
= pdf_to_utf8 (state
.ctx
, obj
);
497 printd ("title %s", s
);
499 printd ("info %s\t%s", items
[i
], s
);
501 fz_free (state
.ctx
, s
);
508 static void unlinktile (struct tile
*tile
)
512 for (i
= 0; i
< tile
->slicecount
; ++i
) {
513 struct slice
*s
= &tile
->slices
[i
];
515 if (s
->texindex
!= -1) {
516 if (state
.texowners
[s
->texindex
].slice
== s
) {
517 state
.texowners
[s
->texindex
].slice
= NULL
;
523 static void freepage (struct page
*page
)
526 fz_free_text_span (state
.ctx
, page
->text
);
531 page
->freepage (page
->u
.ptr
);
532 fz_free_display_list (state
.ctx
, page
->dlist
);
536 static void freetile (struct tile
*tile
)
540 fz_drop_pixmap (state
.ctx
, tile
->pixmap
);
543 fz_drop_pixmap (state
.ctx
, state
.pig
);
545 state
.pig
= tile
->pixmap
;
553 static int cacheline32bytes
;
554 extern char **environ
;
556 static void __attribute__ ((constructor
)) clcheck (void)
558 char **envp
= environ
;
563 for (auxv
= (unsigned long *) envp
; *auxv
!= 0; auxv
+= 2) {
565 cacheline32bytes
= auxv
[1] == 32;
571 static void OPTIMIZE (3) clearpixmap (fz_pixmap
*pixmap
)
573 if (cacheline32bytes
) {
574 intptr_t a1
, a2
, diff
;
575 size_t sizea
, i
, size
= pixmap
->w
* pixmap
->h
* pixmap
->n
;
576 vector
unsigned char v
= vec_splat_u8 (-1);
577 vector
unsigned char *p
;
579 a1
= a2
= (intptr_t) pixmap
->samples
;
580 a2
= (a1
+ 31) & ~31;
585 while (a1
!= a2
) *(char *) a1
++ = 0xff;
586 for (i
= 0; i
< (sizea
& ~31); i
+= 32) {
587 __asm
volatile ("dcbz %0, %1"::"b"(a2
),"r"(i
));
589 vec_st (v
, i
+ 16, p
);
591 while (i
< sizea
) *((char *) a1
+ i
++) = 0xff;
593 else fz_clear_pixmap_with_value (state
.ctx
, pixmap
, 0xff);
596 #define clearpixmap(p) fz_clear_pixmap_with_value (state.ctx, p, 0xff)
599 static fz_matrix
trimctm (pdf_page
*page
, int pindex
)
602 struct pagedim
*pdim
= &state
.pagedims
[pindex
];
604 if (!pdim
->tctmready
) {
605 if (state
.trimmargins
) {
608 ctm
= fz_concat (fz_rotate (-pdim
->rotate
), fz_scale (1, -1));
609 realbox
= fz_transform_rect (ctm
, pdim
->mediabox
);
610 ctm
= fz_concat (ctm
, fz_translate (-realbox
.x0
, -realbox
.y0
));
611 ctm
= fz_concat (fz_invert_matrix (page
->ctm
), ctm
);
622 static fz_matrix
pagectm (struct page
*page
)
624 if (page
->type
== DPDF
) {
625 return fz_concat (trimctm (page
->u
.pdfpage
, page
->pdimno
),
626 state
.pagedims
[page
->pdimno
].ctm
);
630 struct pagedim
*pdim
= &state
.pagedims
[page
->pdimno
];
632 ctm
= state
.pagedims
[page
->pdimno
].ctm
;
633 ctm
= fz_concat (fz_translate (-pdim
->mediabox
.x0
,
634 -pdim
->mediabox
.y0
), ctm
);
639 static void *loadpage (int pageno
, int pindex
)
642 struct page
*page
= NULL
;
644 page
= calloc (sizeof (struct page
), 1);
646 err (1, "calloc page %d", pageno
);
649 page
->dlist
= fz_new_display_list (state
.ctx
);
650 dev
= fz_new_list_device (state
.ctx
, page
->dlist
);
651 switch (state
.type
) {
653 page
->u
.pdfpage
= pdf_load_page (state
.u
.pdf
, pageno
);
654 pdf_run_page (state
.u
.pdf
, page
->u
.pdfpage
, dev
, fz_identity
, NULL
);
655 page
->freepage
= freepdfpage
;
659 page
->u
.xpspage
= xps_load_page (state
.u
.xps
, pageno
);
660 xps_run_page (state
.u
.xps
, page
->u
.xpspage
, dev
, fz_identity
, NULL
);
661 page
->freepage
= freexpspage
;
665 page
->u
.cbzpage
= cbz_load_page (state
.u
.cbz
, pageno
);
666 cbz_run_page (state
.u
.cbz
, page
->u
.cbzpage
, dev
, fz_identity
, NULL
);
667 page
->freepage
= freecbzpage
;
670 fz_free_device (dev
);
672 page
->pdimno
= pindex
;
673 page
->pageno
= pageno
;
674 page
->gen
= state
.gen
;
675 page
->type
= state
.type
;
680 static struct tile
*alloctile (int h
)
687 slicecount
= (h
+ state
.sliceheight
- 1) / state
.sliceheight
;
688 tilesize
= sizeof (*tile
) + ((slicecount
- 1) * sizeof (struct slice
));
689 tile
= calloc (tilesize
, 1);
691 err (1, "can not allocate tile (%" FMT_s
" bytes)", tilesize
);
693 for (i
= 0; i
< slicecount
; ++i
) {
694 int sh
= MIN (h
, state
.sliceheight
);
695 tile
->slices
[i
].h
= sh
;
696 tile
->slices
[i
].texindex
= -1;
699 tile
->slicecount
= slicecount
;
700 tile
->sliceheight
= state
.sliceheight
;
709 static void obs_fill_image (fz_device
*dev
, fz_image
*image
, fz_matrix ctm
,
712 struct obs
*obs
= dev
->user
;
714 if (!obs
->cured
&& fabs (1.0 - alpha
) < 1e6
) {
715 fz_bbox b
= fz_round_rect (fz_transform_rect (ctm
, fz_unit_rect
));
716 b
= fz_intersect_bbox (b
, obs
->b
);
717 obs
->cured
= b
.x0
== obs
->b
.x0
720 && b
.y1
== obs
->b
.y1
;
724 static int obscured (struct page
*page
, fz_bbox bbox
)
729 memset (&dev
, 0, sizeof (dev
));
730 memset (&obs
, 0, sizeof (obs
));
734 dev
.fill_image
= obs_fill_image
;
736 fz_run_display_list (page
->dlist
, &dev
, pagectm (page
), bbox
, NULL
);
740 static struct tile
*rendertile (struct page
*page
, int x
, int y
, int w
, int h
)
745 struct pagedim
*pdim
;
747 tile
= alloctile (h
);
748 pdim
= &state
.pagedims
[page
->pdimno
];
753 bbox
.x1
= bbox
.x0
+ w
;
754 bbox
.y1
= bbox
.y0
+ h
;
757 if (state
.pig
->w
== w
759 && state
.pig
->colorspace
== state
.colorspace
) {
760 tile
->pixmap
= state
.pig
;
761 tile
->pixmap
->x
= bbox
.x0
;
762 tile
->pixmap
->y
= bbox
.y0
;
765 fz_drop_pixmap (state
.ctx
, state
.pig
);
771 fz_new_pixmap_with_rect (state
.ctx
, state
.colorspace
, bbox
);
776 if ((w
< 128 && h
< 128) || !obscured (page
, bbox
)) {
777 clearpixmap (tile
->pixmap
);
779 dev
= fz_new_draw_device (state
.ctx
, tile
->pixmap
);
780 fz_run_display_list (page
->dlist
, dev
, pagectm (page
), bbox
, NULL
);
781 fz_free_device (dev
);
786 static void initpdims (void)
792 for (pageno
= 0; pageno
< state
.pagecount
; ++pageno
) {
797 switch (state
.type
) {
799 pdf_obj
*pageobj
= state
.u
.pdf
->page_objs
[pageno
];
801 if (state
.trimmargins
) {
805 page
= pdf_load_page (state
.u
.pdf
, pageno
);
806 obj
= pdf_dict_gets (pageobj
, "llpp.TrimBox");
807 if (state
.trimanew
|| !obj
) {
813 dev
= fz_new_bbox_device (state
.ctx
, &bbox
);
814 dev
->hints
|= FZ_IGNORE_SHADE
;
815 ctm
= fz_invert_matrix (page
->ctm
);
816 pdf_run_page (state
.u
.pdf
, page
, dev
, fz_identity
, NULL
);
817 fz_free_device (dev
);
819 rect
.x0
= bbox
.x0
+ state
.trimfuzz
.x0
;
820 rect
.x1
= bbox
.x1
+ state
.trimfuzz
.x1
;
821 rect
.y0
= bbox
.y0
+ state
.trimfuzz
.y0
;
822 rect
.y1
= bbox
.y1
+ state
.trimfuzz
.y1
;
823 rect
= fz_transform_rect (ctm
, rect
);
824 rect
= fz_intersect_rect (rect
, page
->mediabox
);
826 if (fz_is_empty_rect (rect
)) {
827 mediabox
= page
->mediabox
;
833 obj
= pdf_new_array (state
.ctx
, 4);
834 pdf_array_push (obj
, pdf_new_real (state
.ctx
, mediabox
.x0
));
835 pdf_array_push (obj
, pdf_new_real (state
.ctx
, mediabox
.y0
));
836 pdf_array_push (obj
, pdf_new_real (state
.ctx
, mediabox
.x1
));
837 pdf_array_push (obj
, pdf_new_real (state
.ctx
, mediabox
.y1
));
838 pdf_dict_puts (pageobj
, "llpp.TrimBox", obj
);
841 mediabox
.x0
= pdf_to_real (pdf_array_get (obj
, 0));
842 mediabox
.y0
= pdf_to_real (pdf_array_get (obj
, 1));
843 mediabox
.x1
= pdf_to_real (pdf_array_get (obj
, 2));
844 mediabox
.y1
= pdf_to_real (pdf_array_get (obj
, 3));
847 rotate
= page
->rotate
;
848 pdf_free_page (state
.u
.pdf
, page
);
850 printd ("progress %f Trimming %d",
851 (double) (pageno
+ 1) / state
.pagecount
,
857 mediabox
= pdf_to_rect (state
.ctx
,
858 pdf_dict_gets (pageobj
, "MediaBox"));
859 if (fz_is_empty_rect (mediabox
)) {
860 fprintf (stderr
, "cannot find page size for page %d\n",
868 cropbox
= pdf_to_rect (state
.ctx
,
869 pdf_dict_gets (pageobj
, "CropBox"));
870 if (!fz_is_empty_rect (cropbox
)) {
871 mediabox
= fz_intersect_rect (mediabox
, cropbox
);
873 rotate
= pdf_to_int (pdf_dict_gets (pageobj
, "Rotate"));
882 page
= xps_load_page (state
.u
.xps
, pageno
);
883 mediabox
= xps_bound_page (state
.u
.xps
, page
);
885 if (state
.trimmargins
) {
890 dev
= fz_new_bbox_device (state
.ctx
, &bbox
);
891 dev
->hints
|= FZ_IGNORE_SHADE
;
892 xps_run_page (state
.u
.xps
, page
, dev
, fz_identity
, NULL
);
893 fz_free_device (dev
);
895 rect
.x0
= bbox
.x0
+ state
.trimfuzz
.x0
;
896 rect
.x1
= bbox
.x1
+ state
.trimfuzz
.x1
;
897 rect
.y0
= bbox
.y0
+ state
.trimfuzz
.y0
;
898 rect
.y1
= bbox
.y1
+ state
.trimfuzz
.y1
;
899 rect
= fz_intersect_rect (rect
, mediabox
);
901 if (!fz_is_empty_rect (rect
)) {
905 xps_free_page (state
.u
.xps
, page
);
906 printd ("progress %f loading %d",
907 (double) (pageno
+ 1) / state
.pagecount
,
915 if (state
.trimmargins
) {
918 page
= cbz_load_page (state
.u
.cbz
, pageno
);
919 mediabox
= cbz_bound_page (state
.u
.cbz
, page
);
920 cbz_free_page (state
.u
.cbz
, page
);
921 printd ("progress %f Trimming %d",
922 (double) (pageno
+ 1) / state
.pagecount
,
926 mediabox
.x0
= mediabox
.y0
= 0;
934 ARSERT (0 && state
.type
);
937 if (state
.pagedimcount
== 0
938 || (p
= &state
.pagedims
[state
.pagedimcount
-1], p
->rotate
!= rotate
)
939 || memcmp (&p
->mediabox
, &mediabox
, sizeof (mediabox
))) {
942 size
= (state
.pagedimcount
+ 1) * sizeof (*state
.pagedims
);
943 state
.pagedims
= realloc (state
.pagedims
, size
);
944 if (!state
.pagedims
) {
945 err (1, "realloc pagedims to %" FMT_s
" (%d elems)",
946 size
, state
.pagedimcount
+ 1);
949 p
= &state
.pagedims
[state
.pagedimcount
++];
951 p
->mediabox
= mediabox
;
956 if (state
.trimmargins
) {
957 printd ("progress 1 Trimmed %d pages in %f seconds",
958 state
.pagecount
, end
- start
);
961 printd ("vmsg Processed %d pages in %f seconds",
962 state
.pagecount
, end
- start
);
967 static void layout (void)
972 double zoom
, w
, maxw
= 0;
973 struct pagedim
*p
= state
.pagedims
;
975 if (state
.proportional
) {
976 for (pindex
= 0; pindex
< state
.pagedimcount
; ++pindex
, ++p
) {
977 box
= fz_transform_rect (fz_rotate (p
->rotate
+ state
.rotate
),
980 maxw
= MAX (w
, maxw
);
985 for (pindex
= 0; pindex
< state
.pagedimcount
; ++pindex
, ++p
) {
988 ctm
= fz_rotate (state
.rotate
);
989 box
= fz_transform_rect (fz_rotate (p
->rotate
+ state
.rotate
),
993 if (state
.proportional
) {
994 double scale
= w
/ maxw
;
995 zoom
= (state
.w
/ w
) * scale
;
1001 p
->zoomctm
= fz_scale (zoom
, zoom
);
1002 ctm
= fz_concat (p
->zoomctm
, ctm
);
1004 p
->pagebox
= fz_transform_rect (fz_rotate (p
->rotate
), p
->mediabox
);
1005 p
->pagebox
.x1
-= p
->pagebox
.x0
;
1006 p
->pagebox
.y1
-= p
->pagebox
.y0
;
1009 bbox
= fz_round_rect (fz_transform_rect (ctm
, p
->pagebox
));
1012 p
->left
= state
.proportional
? ((maxw
- w
) * zoom
) / 2.0 : 0;
1016 ctm
= fz_concat (ctm
, fz_translate (0, -p
->mediabox
.y1
));
1017 ctm
= fz_concat (ctm
, fz_scale (zoom
, -zoom
));
1018 ctm
= fz_concat (ctm
, fz_rotate (p
->rotate
+ state
.rotate
));
1024 while (p
-- != state
.pagedims
) {
1025 int x0
= MIN (p
->bounds
.x0
, p
->bounds
.x1
);
1026 int y0
= MIN (p
->bounds
.y0
, p
->bounds
.y1
);
1027 int x1
= MAX (p
->bounds
.x0
, p
->bounds
.x1
);
1028 int y1
= MAX (p
->bounds
.y0
, p
->bounds
.y1
);
1032 printd ("pdim %d %d %d %d", p
->pageno
, w
, h
, p
->left
);
1036 static void recurse_outline (fz_outline
*outline
, int level
)
1041 struct pagedim
*pdim
= state
.pagedims
;
1043 dest
= &outline
->dest
;
1044 for (i
= 0; i
< state
.pagedimcount
; ++i
) {
1045 if (state
.pagedims
[i
].pageno
> dest
->ld
.gotor
.page
)
1047 pdim
= &state
.pagedims
[i
];
1049 if (dest
->ld
.gotor
.flags
& fz_link_flag_t_valid
) {
1052 p
.y
= dest
->ld
.gotor
.lt
.y
;
1053 p
= fz_transform_point (pdim
->lctm
, p
);
1056 if (dest
->ld
.gotor
.page
>= 0 && dest
->ld
.gotor
.page
< 1<<30) {
1060 y0
= MIN (pdim
->bounds
.y0
, pdim
->bounds
.y1
);
1061 y1
= MAX (pdim
->bounds
.y0
, pdim
->bounds
.y1
);
1063 printd ("o %d %d %d %d %s",
1064 level
, dest
->ld
.gotor
.page
, top
, h
, outline
->title
);
1066 if (outline
->down
) {
1067 recurse_outline (outline
->down
, level
+ 1);
1069 outline
= outline
->next
;
1073 static void process_outline (void)
1075 fz_outline
*outline
;
1077 if (!state
.needoutline
) return;
1079 state
.needoutline
= 0;
1080 switch (state
.type
) {
1082 outline
= pdf_load_outline (state
.u
.pdf
);
1085 outline
= xps_load_outline (state
.u
.xps
);
1092 recurse_outline (outline
, 0);
1093 fz_free_outline (state
.ctx
, outline
);
1097 static int comparespans (const void *l
, const void *r
)
1099 fz_text_span
const *const*ls
= l
;
1100 fz_text_span
const *const*rs
= r
;
1101 return (*ls
)->text
->bbox
.y0
- (*rs
)->text
->bbox
.y0
;
1104 /* wishful thinking function */
1105 static void search (regex_t
*re
, int pageno
, int y
, int forward
)
1113 union { void *ptr
; pdf_page
*pdfpage
; xps_page
*xpspage
; } u
;
1114 fz_text_span
*text
, *span
, **pspan
;
1115 struct pagedim
*pdim
, *pdimprev
;
1121 if (!(state
.type
== DPDF
|| state
.type
== DXPS
))
1125 while (pageno
>= 0 && pageno
< state
.pagecount
&& !stop
) {
1126 if (niters
++ == 5) {
1129 printd ("progress 1 attention requested aborting search at %d",
1134 printd ("progress %f searching in page %d",
1135 (double) (pageno
+ 1) / state
.pagecount
,
1140 for (i
= 0; i
< state
.pagedimcount
; ++i
) {
1141 pdim
= &state
.pagedims
[i
];
1142 if (pdim
->pageno
== pageno
) {
1145 if (pdim
->pageno
> pageno
) {
1154 text
= fz_new_text_span (state
.ctx
);
1155 tdev
= fz_new_text_device (state
.ctx
, text
);
1157 switch (state
.type
) {
1159 u
.pdfpage
= pdf_load_page (state
.u
.pdf
, pageno
);
1160 pdf_run_page (state
.u
.pdf
, u
.pdfpage
, tdev
, fz_identity
, NULL
);
1164 u
.xpspage
= xps_load_page (state
.u
.xps
, pageno
);
1165 xps_run_page (state
.u
.xps
, u
.xpspage
, tdev
, fz_identity
, NULL
);
1169 ARSERT (0 && state
.type
);
1172 fz_free_device (tdev
);
1175 for (span
= text
; span
; span
= span
->next
) {
1178 pspan
= malloc (sizeof (void *) * nspans
);
1180 err (1, "malloc span pointers %" FMT_s
, sizeof (void *) * nspans
);
1182 for (i
= 0, span
= text
; span
; span
= span
->next
, ++i
) {
1185 qsort (pspan
, nspans
, sizeof (fz_text_span
*), comparespans
);
1187 j
= forward
? 0 : nspans
- 1;
1192 j
+= forward
? 1 : -1;
1194 for (i
= 0; i
< span
->len
; ++i
) {
1199 if (span
->text
[i
].bbox
.y0
< y
+ 1) {
1204 if (span
->text
[i
].bbox
.y0
> y
- 1) {
1208 len
= runetochar (cbuf
, &span
->text
[i
].c
);
1209 if (sizeof (buf
) - 1 - (p
- buf
) > len
) {
1211 for (k
= 0; k
< len
; ++k
)
1223 ret
= regexec (re
, buf
, 1, &rm
, 0);
1225 if (ret
!= REG_NOMATCH
) {
1228 size
= regerror (ret
, re
, errbuf
, sizeof (errbuf
));
1229 printd ("msg regexec error `%.*s'",
1230 (int) size
, errbuf
);
1231 fz_free_text_span (state
.ctx
, text
);
1232 state
.freepage (u
.ptr
);
1239 fz_point p1
, p2
, p3
, p4
;
1243 for (a
= 0, c
= 0; c
< rm
.rm_so
&& a
< l
; a
++) {
1244 c
+= runelen (span
->text
[a
].c
);
1246 for (b
= a
; c
< rm
.rm_eo
- 1 && b
< l
; b
++) {
1247 c
+= runelen (span
->text
[b
].c
);
1250 if (runelen (span
->text
[b
].c
) > 1) {
1253 sb
= &span
->text
[MIN (a
, l
-1)].bbox
;
1254 eb
= &span
->text
[MIN (b
, l
-1)].bbox
;
1265 switch (state
.type
) {
1267 trimctm (u
.pdfpage
, pdim
- state
.pagedims
);
1268 ctm
= fz_concat (pdim
->tctm
, pdim
->zoomctm
);
1276 p1
= fz_transform_point (ctm
, p1
);
1277 p2
= fz_transform_point (ctm
, p2
);
1278 p3
= fz_transform_point (ctm
, p3
);
1279 p4
= fz_transform_point (ctm
, p4
);
1282 printd ("firstmatch %d %d %f %f %f %f %f %f %f %f",
1289 printd ("progress 1 found at %d `%.*s' in %f sec",
1290 pageno
, (int) (rm
.rm_eo
- rm
.rm_so
), &buf
[rm
.rm_so
],
1294 printd ("match %d %d %f %f %f %f %f %f %f %f",
1312 fz_free_text_span (state
.ctx
, text
);
1313 state
.freepage (u
.ptr
);
1318 printd ("progress 1 no matches %f sec", end
- start
);
1320 printd ("clearrects");
1323 static void set_tex_params (int colorspace
)
1325 switch (colorspace
) {
1327 state
.texiform
= GL_RGBA8
;
1328 state
.texform
= GL_RGBA
;
1329 state
.texty
= GL_UNSIGNED_BYTE
;
1330 state
.colorspace
= fz_device_rgb
;
1333 state
.texiform
= GL_RGBA8
;
1334 state
.texform
= GL_BGRA
;
1335 state
.texty
= fz_is_big_endian ()
1336 ? GL_UNSIGNED_INT_8_8_8_8
1337 : GL_UNSIGNED_INT_8_8_8_8_REV
;
1338 state
.colorspace
= fz_device_bgr
;
1341 state
.texiform
= GL_LUMINANCE_ALPHA
;
1342 state
.texform
= GL_LUMINANCE_ALPHA
;
1343 state
.texty
= GL_UNSIGNED_BYTE
;
1344 state
.colorspace
= fz_device_gray
;
1347 errx (1, "invalid colorspce %d", colorspace
);
1351 static void realloctexts (int texcount
)
1355 if (texcount
== state
.texcount
) return;
1357 if (texcount
< state
.texcount
) {
1358 glDeleteTextures (state
.texcount
- texcount
,
1359 state
.texids
+ texcount
);
1362 size
= texcount
* sizeof (*state
.texids
);
1363 state
.texids
= realloc (state
.texids
, size
);
1364 if (!state
.texids
) {
1365 err (1, "realloc texids %" FMT_s
, size
);
1368 size
= texcount
* sizeof (*state
.texowners
);
1369 state
.texowners
= realloc (state
.texowners
, size
);
1370 if (!state
.texowners
) {
1371 err (1, "realloc texowners %" FMT_s
, size
);
1373 if (texcount
> state
.texcount
) {
1376 glGenTextures (texcount
- state
.texcount
,
1377 state
.texids
+ state
.texcount
);
1378 for (i
= state
.texcount
; i
< texcount
; ++i
) {
1379 state
.texowners
[i
].w
= -1;
1380 state
.texowners
[i
].slice
= NULL
;
1383 state
.texcount
= texcount
;
1387 static void * mainloop (void *unused
)
1390 int len
, ret
, oldlen
= 0;
1395 errx (1, "readlen returned 0");
1398 if (oldlen
< len
+ 1) {
1399 p
= realloc (p
, len
+ 1);
1401 err (1, "realloc %d failed", len
+ 1);
1408 if (!strncmp ("open", p
, 4)) {
1411 char *filename
= p
+ 5;
1413 filenamelen
= strlen (filename
);
1414 password
= filename
+ filenamelen
+ 1;
1416 openxref (filename
, password
);
1419 printd ("msg Opened %s (press h/F1 to get help)", filename
);
1420 state
.needoutline
= 1;
1422 else if (!strncmp ("cs", p
, 2)) {
1425 ret
= sscanf (p
+ 2, " %d", &colorspace
);
1427 errx (1, "malformed cs `%.*s' ret=%d", len
, p
, ret
);
1430 set_tex_params (colorspace
);
1431 for (i
= 0; i
< state
.texcount
; ++i
) {
1432 state
.texowners
[i
].w
= -1;
1433 state
.texowners
[i
].slice
= NULL
;
1437 else if (!strncmp ("freepage", p
, 8)) {
1440 ret
= sscanf (p
+ 8, " %" FMT_ptr
, FMT_ptr_cast (&ptr
));
1442 errx (1, "malformed freepage `%.*s' ret=%d", len
, p
, ret
);
1446 else if (!strncmp ("freetile", p
, 8)) {
1449 ret
= sscanf (p
+ 8, " %" FMT_ptr
, FMT_ptr_cast (&ptr
));
1451 errx (1, "malformed freetile `%.*s' ret=%d", len
, p
, ret
);
1455 else if (!strncmp ("search", p
, 6)) {
1456 int icase
, pageno
, y
, ret
, len2
, forward
;
1460 ret
= sscanf (p
+ 6, " %d %d %d %d,%n",
1461 &icase
, &pageno
, &y
, &forward
, &len2
);
1463 errx (1, "malformed search `%s' ret=%d", p
, ret
);
1466 pattern
= p
+ 6 + len2
;
1467 ret
= regcomp (&re
, pattern
,
1468 REG_EXTENDED
| (icase
? REG_ICASE
: 0));
1473 size
= regerror (ret
, &re
, errbuf
, sizeof (errbuf
));
1474 printd ("msg regcomp failed `%.*s'", (int) size
, errbuf
);
1477 search (&re
, pageno
, y
, forward
);
1481 else if (!strncmp ("geometry", p
, 8)) {
1485 ret
= sscanf (p
+ 8, " %d %d", &w
, &h
);
1487 errx (1, "malformed geometry `%.*s' ret=%d", len
, p
, ret
);
1495 for (i
= 0; i
< state
.texcount
; ++i
) {
1496 state
.texowners
[i
].slice
= NULL
;
1502 unlock ("geometry");
1503 printd ("continue %d", state
.pagecount
);
1505 else if (!strncmp ("reqlayout", p
, 9)) {
1506 int rotate
, proportional
;
1509 ret
= sscanf (p
+ 9, " %d %d", &rotate
, &proportional
);
1511 errx (1, "bad reqlayout line `%.*s' ret=%d", len
, p
, ret
);
1514 if (state
.rotate
!= rotate
|| state
.proportional
!= proportional
) {
1517 state
.rotate
= rotate
;
1518 state
.proportional
= proportional
;
1522 unlock ("reqlayout");
1523 printd ("continue %d", state
.pagecount
);
1525 else if (!strncmp ("page", p
, 4)) {
1528 int pageno
, pindex
, ret
;
1530 ret
= sscanf (p
+ 4, " %d %d", &pageno
, &pindex
);
1532 errx (1, "bad render line `%.*s' ret=%d", len
, p
, ret
);
1537 page
= loadpage (pageno
, pindex
);
1541 printd ("page %" FMT_ptr
" %f", FMT_ptr_cast2 (page
), b
- a
);
1543 else if (!strncmp ("tile", p
, 4)) {
1544 int x
, y
, w
, h
, ret
;
1549 ret
= sscanf (p
+ 4, " %" FMT_ptr
" %d %d %d %d",
1550 FMT_ptr_cast (&page
), &x
, &y
, &w
, &h
);
1552 errx (1, "bad tile line `%.*s' ret=%d", len
, p
, ret
);
1557 tile
= rendertile (page
, x
, y
, w
, h
);
1561 printd ("tile %d %d %" FMT_ptr
" %u %f",
1563 FMT_ptr_cast2 (tile
),
1564 tile
->w
* tile
->h
* tile
->pixmap
->n
,
1567 else if (!strncmp ("settrim", p
, 7)) {
1571 ret
= sscanf (p
+ 7, " %d %d %d %d %d", &trimmargins
,
1572 &fuzz
.x0
, &fuzz
.y0
, &fuzz
.x1
, &fuzz
.y1
);
1574 errx (1, "malformed settrim `%.*s' ret=%d", len
, p
, ret
);
1578 state
.trimmargins
= trimmargins
;
1579 state
.needoutline
= 1;
1580 if (memcmp (&fuzz
, &state
.trimfuzz
, sizeof (fuzz
))) {
1582 state
.trimfuzz
= fuzz
;
1584 state
.pagedimcount
= 0;
1585 free (state
.pagedims
);
1586 state
.pagedims
= NULL
;
1591 printd ("continue %d", state
.pagecount
);
1593 else if (!strncmp ("sliceh", p
, 6)) {
1596 ret
= sscanf (p
+ 6, " %d", &h
);
1598 errx (1, "malformed sliceh `%.*s' ret=%d", len
, p
, ret
);
1600 if (h
!= state
.sliceheight
) {
1603 state
.sliceheight
= h
;
1604 for (i
= 0; i
< state
.texcount
; ++i
) {
1605 state
.texowners
[i
].w
= -1;
1606 state
.texowners
[i
].h
= -1;
1607 state
.texowners
[i
].slice
= NULL
;
1611 else if (!strncmp ("interrupt", p
, 9)) {
1612 printd ("vmsg interrupted");
1615 errx (1, "unknown command %.*s", len
, p
);
1621 CAMLprim value
ml_realloctexts (value texcount_v
)
1623 CAMLparam1 (texcount_v
);
1626 if (trylock ("ml_realloctexts")) {
1630 realloctexts (Int_val (texcount_v
));
1632 unlock ("ml_realloctexts");
1635 CAMLreturn (Val_bool (ok
));
1638 static void showsel (struct page
*page
, int ox
, int oy
)
1642 struct mark first
, last
;
1644 first
= page
->fmark
;
1647 if (!first
.span
|| !last
.span
) return;
1649 glEnable (GL_BLEND
);
1650 glBlendFunc (GL_SRC_ALPHA
, GL_SRC_ALPHA
);
1651 glColor4f (0.5f
, 0.5f
, 0.0f
, 0.6f
);
1653 ox
+= state
.pagedims
[page
->pdimno
].bounds
.x0
;
1654 oy
+= state
.pagedims
[page
->pdimno
].bounds
.y0
;
1655 for (span
= first
.span
; span
; span
= span
->next
) {
1658 bbox
.x0
= bbox
.y0
= bbox
.x1
= bbox
.y1
= 0;
1663 if (span
== page
->fmark
.span
&& span
== page
->lmark
.span
) {
1664 j
= MIN (first
.i
, last
.i
);
1665 k
= MAX (first
.i
, last
.i
);
1667 else if (span
== first
.span
) {
1670 else if (span
== last
.span
) {
1674 for (i
= j
; i
<= k
; ++i
) {
1675 bbox
= fz_union_bbox (bbox
, span
->text
[i
].bbox
);
1677 lprintf ("%d %d %d %d oy=%d ox=%d\n",
1684 glRecti (bbox
.x0
+ ox
, bbox
.y0
+ oy
, bbox
.x1
+ ox
, bbox
.y1
+ oy
);
1686 if (span
== last
.span
) break;
1688 glDisable (GL_BLEND
);
1693 static void highlightlinks (struct page
*page
, int xoff
, int yoff
)
1696 fz_link
*link
, *links
;
1698 switch (page
->type
) {
1700 links
= page
->u
.pdfpage
->links
;
1704 links
= page
->u
.xpspage
->links
;
1711 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
1712 glEnable (GL_LINE_STIPPLE
);
1713 glLineStipple (0.5, 0xcccc);
1715 xoff
-= state
.pagedims
[page
->pdimno
].bounds
.x0
;
1716 yoff
-= state
.pagedims
[page
->pdimno
].bounds
.y0
;
1717 ctm
= fz_concat (pagectm (page
), fz_translate (xoff
, yoff
));
1720 for (link
= links
; link
; link
= link
->next
) {
1721 fz_point p1
, p2
, p3
, p4
;
1723 p1
.x
= link
->rect
.x0
;
1724 p1
.y
= link
->rect
.y0
;
1726 p2
.x
= link
->rect
.x1
;
1727 p2
.y
= link
->rect
.y0
;
1729 p3
.x
= link
->rect
.x1
;
1730 p3
.y
= link
->rect
.y1
;
1732 p4
.x
= link
->rect
.x0
;
1733 p4
.y
= link
->rect
.y1
;
1735 p1
= fz_transform_point (ctm
, p1
);
1736 p2
= fz_transform_point (ctm
, p2
);
1737 p3
= fz_transform_point (ctm
, p3
);
1738 p4
= fz_transform_point (ctm
, p4
);
1740 switch (link
->dest
.kind
) {
1741 case FZ_LINK_GOTO
: glColor3ub (255, 0, 0); break;
1742 case FZ_LINK_URI
: glColor3ub (0, 0, 255); break;
1743 default: glColor3ub (0, 0, 0); break;
1746 glVertex2f (p1
.x
, p1
.y
);
1747 glVertex2f (p2
.x
, p2
.y
);
1748 glVertex2f (p3
.x
, p3
.y
);
1749 glVertex2f (p4
.x
, p4
.y
);
1753 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
1754 glDisable (GL_LINE_STIPPLE
);
1757 static int compareslinks (const void *l
, const void *r
)
1759 struct slink
const *ls
= l
;
1760 struct slink
const *rs
= r
;
1761 if (ls
->bbox
.y0
== rs
->bbox
.y0
) {
1762 return rs
->bbox
.x0
- rs
->bbox
.x0
;
1764 return ls
->bbox
.y0
- rs
->bbox
.y0
;
1767 static void droptext (struct page
*page
)
1770 fz_free_text_span (state
.ctx
, page
->text
);
1773 page
->fmark
.span
= NULL
;
1774 page
->lmark
.span
= NULL
;
1779 static void dropslinks (struct page
*page
)
1782 free (page
->slinks
);
1783 page
->slinks
= NULL
;
1784 page
->slinkcount
= 0;
1788 static void ensureslinks (struct page
*page
)
1792 size_t slinksize
= sizeof (*page
->slinks
);
1793 fz_link
*link
, *links
;
1795 if (state
.gen
!= page
->gen
) {
1798 page
->gen
= state
.gen
;
1800 if (page
->slinks
) return;
1802 switch (page
->type
) {
1804 links
= page
->u
.pdfpage
->links
;
1805 ctm
= fz_concat (trimctm (page
->u
.pdfpage
, page
->pdimno
),
1806 state
.pagedims
[page
->pdimno
].ctm
);
1810 links
= page
->u
.xpspage
->links
;
1811 ctm
= state
.pagedims
[page
->pdimno
].ctm
;
1818 for (link
= links
; link
; link
= link
->next
) {
1822 page
->slinkcount
= count
;
1823 page
->slinks
= calloc (count
, slinksize
);
1824 if (!page
->slinks
) {
1825 err (1, "realloc slinks %d", count
);
1828 for (i
= 0, link
= links
; link
; ++i
, link
= link
->next
) {
1829 page
->slinks
[i
].link
= link
;
1830 page
->slinks
[i
].bbox
=
1831 fz_round_rect (fz_transform_rect (ctm
, link
->rect
));
1833 qsort (page
->slinks
, count
, slinksize
, compareslinks
);
1837 /* slightly tweaked fmt_ulong by D.J. Bernstein */
1838 static void fmt_linkn (char *s
, unsigned int u
)
1840 unsigned int len
; unsigned int q
;
1841 int zma
= 'z' - 'a' + 1;
1843 while (q
> zma
- 1) { ++len
; q
/= zma
; }
1846 do { *--s
= 'a' + (u
% zma
); u
/= zma
; } while(u
); /* handles u == 0 */
1851 static void highlightslinks (struct page
*page
, int xoff
, int yoff
, int noff
)
1855 struct slink
*slink
;
1856 double x0
, y0
, x1
, y1
, w
;
1858 ensureslinks (page
);
1859 glColor3ub (0xc3, 0xb0, 0x91);
1860 for (i
= 0; i
< page
->slinkcount
; ++i
) {
1861 slink
= &page
->slinks
[i
];
1863 fmt_linkn (buf
, i
+ noff
);
1864 x0
= slink
->bbox
.x0
+ xoff
- 5;
1865 y1
= slink
->bbox
.y0
+ yoff
- 5;
1867 w
= measure_string (state
.face
, 12, buf
);
1869 glRectd (x0
, y0
, x1
, y1
);
1872 glEnable (GL_BLEND
);
1873 glEnable (GL_TEXTURE_2D
);
1874 glColor3ub (0, 0, 0);
1875 for (i
= 0; i
< page
->slinkcount
; ++i
) {
1876 slink
= &page
->slinks
[i
];
1878 fmt_linkn (buf
, i
+ noff
);
1879 x0
= slink
->bbox
.x0
+ xoff
;
1880 y0
= slink
->bbox
.y0
+ yoff
+ 12;
1881 draw_string (state
.face
, 12, x0
, y0
, buf
);
1883 glDisable (GL_TEXTURE_2D
);
1884 glDisable (GL_BLEND
);
1887 static void uploadslice (struct tile
*tile
, struct slice
*slice
)
1890 struct slice
*slice1
;
1893 for (slice1
= tile
->slices
; slice
!= slice1
; slice1
++) {
1894 offset
+= slice1
->h
* tile
->w
* tile
->pixmap
->n
;
1896 if (slice
->texindex
!= -1 && slice
->texindex
< state
.texcount
1897 && state
.texowners
[slice
->texindex
].slice
== slice
) {
1898 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[slice
->texindex
]);
1902 int texindex
= state
.texindex
++ % state
.texcount
;
1904 if (state
.texowners
[texindex
].w
== tile
->w
) {
1905 if (state
.texowners
[texindex
].h
>= slice
->h
) {
1909 state
.texowners
[texindex
].h
= slice
->h
;
1913 state
.texowners
[texindex
].h
= slice
->h
;
1916 state
.texowners
[texindex
].w
= tile
->w
;
1917 state
.texowners
[texindex
].slice
= slice
;
1918 slice
->texindex
= texindex
;
1920 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[texindex
]);
1922 glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB
,
1930 tile
->pixmap
->samples
+offset
1934 glTexImage2D (GL_TEXTURE_RECTANGLE_ARB
,
1942 tile
->pixmap
->samples
+offset
1948 CAMLprim value
ml_drawtile (value args_v
, value ptr_v
)
1950 CAMLparam2 (args_v
, ptr_v
);
1951 int dispx
= Int_val (Field (args_v
, 0));
1952 int dispy
= Int_val (Field (args_v
, 1));
1953 int dispw
= Int_val (Field (args_v
, 2));
1954 int disph
= Int_val (Field (args_v
, 3));
1955 int tilex
= Int_val (Field (args_v
, 4));
1956 int tiley
= Int_val (Field (args_v
, 5));
1957 char *s
= String_val (ptr_v
);
1958 struct tile
*tile
= parse_pointer ("ml_drawtile", s
);
1960 glEnable (GL_TEXTURE_RECTANGLE_ARB
);
1962 int slicey
, firstslice
;
1963 struct slice
*slice
;
1965 firstslice
= tiley
/ tile
->sliceheight
;
1966 slice
= &tile
->slices
[firstslice
];
1967 slicey
= tiley
% tile
->sliceheight
;
1972 dh
= slice
->h
- slicey
;
1973 dh
= MIN (disph
, dh
);
1974 uploadslice (tile
, slice
);
1978 glTexCoord2i (tilex
, slicey
);
1979 glVertex2i (dispx
, dispy
);
1981 glTexCoord2i (tilex
+dispw
, slicey
);
1982 glVertex2i (dispx
+dispw
, dispy
);
1984 glTexCoord2i (tilex
+dispw
, slicey
+dh
);
1985 glVertex2i (dispx
+dispw
, dispy
+dh
);
1987 glTexCoord2i (tilex
, slicey
+dh
);
1988 glVertex2i (dispx
, dispy
+dh
);
1995 ARSERT (!(slice
- tile
->slices
>= tile
->slicecount
&& disph
> 0));
1999 glDisable (GL_TEXTURE_RECTANGLE_ARB
);
2000 CAMLreturn (Val_unit
);
2003 CAMLprim value
ml_postprocess (value ptr_v
, value hlinks_v
,
2004 value xoff_v
, value yoff_v
,
2007 CAMLparam5 (ptr_v
, hlinks_v
, xoff_v
, yoff_v
, noff_v
);
2008 int xoff
= Int_val (xoff_v
);
2009 int yoff
= Int_val (yoff_v
);
2010 int noff
= Int_val (noff_v
);
2011 char *s
= String_val (ptr_v
);
2012 int hlmask
= Int_val (hlinks_v
);
2013 struct page
*page
= parse_pointer ("ml_postprocess", s
);
2015 if (hlmask
& 1) highlightlinks (page
, xoff
, yoff
);
2016 if (trylock ("ml_postprocess")) {
2021 highlightslinks (page
, xoff
, yoff
, noff
);
2022 noff
= page
->slinkcount
;
2024 showsel (page
, xoff
, yoff
);
2025 unlock ("ml_postprocess");
2028 CAMLreturn (Val_int (noff
));
2031 static fz_link
*getlink (struct page
*page
, int x
, int y
)
2035 fz_link
*link
, *links
;
2037 switch (page
->type
) {
2039 ctm
= trimctm (page
->u
.pdfpage
, page
->pdimno
);
2040 links
= page
->u
.pdfpage
->links
;
2045 links
= page
->u
.xpspage
->links
;
2054 ctm
= fz_concat (ctm
, state
.pagedims
[page
->pdimno
].ctm
);
2055 ctm
= fz_invert_matrix (ctm
);
2056 p
= fz_transform_point (ctm
, p
);
2058 for (link
= links
; link
; link
= link
->next
) {
2059 if (p
.x
>= link
->rect
.x0
&& p
.x
<= link
->rect
.x1
) {
2060 if (p
.y
>= link
->rect
.y0
&& p
.y
<= link
->rect
.y1
) {
2068 static void ensuretext (struct page
*page
)
2070 if (state
.gen
!= page
->gen
) {
2073 page
->gen
= state
.gen
;
2078 page
->text
= fz_new_text_span (state
.ctx
);
2079 tdev
= fz_new_text_device (state
.ctx
, page
->text
);
2080 fz_run_display_list (page
->dlist
,
2083 fz_infinite_bbox
, NULL
);
2084 fz_free_device (tdev
);
2088 CAMLprim value
ml_find_page_with_links (value start_page_v
, value dir_v
)
2090 CAMLparam2 (start_page_v
, dir_v
);
2092 int i
, dir
= Int_val (dir_v
);
2093 int start_page
= Int_val (start_page_v
);
2094 int end_page
= dir
> 0 ? state
.pagecount
: -1;
2096 ret_v
= Val_int (0);
2097 if (!(state
.type
== DPDF
|| state
.type
== DXPS
)) {
2101 lock ("ml_findpage_with_links");
2102 for (i
= start_page
+ dir
; i
!= end_page
; i
+= dir
) {
2105 switch (state
.type
) {
2108 pdf_page
*page
= pdf_load_page (state
.u
.pdf
, i
);
2109 found
= !!page
->links
;
2115 xps_page
*page
= xps_load_page (state
.u
.xps
, i
);
2116 found
= !!page
->links
;
2122 ARSERT ("invalid document type");
2126 ret_v
= caml_alloc_small (1, 1);
2127 Field (ret_v
, 0) = Val_int (i
);
2132 unlock ("ml_findpage_with_links");
2138 enum { dir_first
, dir_last
};
2139 enum { dir_first_visible
, dir_left
, dir_right
, dir_down
, dir_up
};
2141 CAMLprim value
ml_findlink (value ptr_v
, value dir_v
)
2143 CAMLparam2 (ptr_v
, dir_v
);
2144 CAMLlocal2 (ret_v
, pos_v
);
2146 int dirtag
, i
, slinkindex
;
2147 struct slink
*found
= NULL
,*slink
;
2148 char *s
= String_val (ptr_v
);
2150 page
= parse_pointer ("ml_findlink", s
);
2151 ensureslinks (page
);
2153 ret_v
= Val_int (0);
2154 if (Is_block (dir_v
)) {
2155 dirtag
= Tag_val (dir_v
);
2157 case dir_first_visible
:
2159 int x0
, y0
, dir
, first_index
, last_index
;
2161 pos_v
= Field (dir_v
, 0);
2162 x0
= Int_val (Field (pos_v
, 0));
2163 y0
= Int_val (Field (pos_v
, 1));
2164 dir
= Int_val (Field (pos_v
, 2));
2169 last_index
= page
->slinkcount
;
2172 first_index
= page
->slinkcount
- 1;
2176 for (i
= first_index
; i
!= last_index
; i
+= dir
) {
2177 slink
= &page
->slinks
[i
];
2178 if (slink
->bbox
.y0
>= y0
&& slink
->bbox
.x0
>= x0
) {
2187 slinkindex
= Int_val (Field (dir_v
, 0));
2188 found
= &page
->slinks
[slinkindex
];
2189 for (i
= slinkindex
- 1; i
>= 0; --i
) {
2190 slink
= &page
->slinks
[i
];
2191 if (slink
->bbox
.x0
< found
->bbox
.x0
) {
2199 slinkindex
= Int_val (Field (dir_v
, 0));
2200 found
= &page
->slinks
[slinkindex
];
2201 for (i
= slinkindex
+ 1; i
< page
->slinkcount
; ++i
) {
2202 slink
= &page
->slinks
[i
];
2203 if (slink
->bbox
.x0
> found
->bbox
.x0
) {
2211 slinkindex
= Int_val (Field (dir_v
, 0));
2212 found
= &page
->slinks
[slinkindex
];
2213 for (i
= slinkindex
+ 1; i
< page
->slinkcount
; ++i
) {
2214 slink
= &page
->slinks
[i
];
2215 if (slink
->bbox
.y0
>= found
->bbox
.y0
) {
2223 slinkindex
= Int_val (Field (dir_v
, 0));
2224 found
= &page
->slinks
[slinkindex
];
2225 for (i
= slinkindex
- 1; i
>= 0; --i
) {
2226 slink
= &page
->slinks
[i
];
2227 if (slink
->bbox
.y0
<= found
->bbox
.y0
) {
2236 dirtag
= Int_val (dir_v
);
2239 found
= page
->slinks
;
2244 found
= page
->slinks
+ (page
->slinkcount
- 1);
2250 ret_v
= caml_alloc_small (2, 1);
2251 Field (ret_v
, 0) = Val_int (found
- page
->slinks
);
2257 enum { uuri
, ugoto
, utext
, uunexpected
, ulaunch
, unamed
, uremote
};
2263 switch (link->dest.kind) { \
2264 case FZ_LINK_GOTO: \
2268 pageno = link->dest.ld.gotor.page; \
2272 if (link->dest.ld.gotor.flags & fz_link_flag_t_valid) { \
2273 p.y = link->dest.ld.gotor.lt.y; \
2274 p = fz_transform_point (pdim->lctm, p); \
2276 tup_v = caml_alloc_tuple (2); \
2277 ret_v = caml_alloc_small (1, ugoto); \
2278 Field (tup_v, 0) = Val_int (pageno); \
2279 Field (tup_v, 1) = Val_int (p.y); \
2280 Field (ret_v, 0) = tup_v; \
2285 str_v = caml_copy_string (link->dest.ld.uri.uri); \
2286 ret_v = caml_alloc_small (1, uuri); \
2287 Field (ret_v, 0) = str_v; \
2290 case FZ_LINK_LAUNCH: \
2291 str_v = caml_copy_string (link->dest.ld.launch.file_spec); \
2292 ret_v = caml_alloc_small (1, ulaunch); \
2293 Field (ret_v, 0) = str_v; \
2296 case FZ_LINK_NAMED: \
2297 str_v = caml_copy_string (link->dest.ld.named.named); \
2298 ret_v = caml_alloc_small (1, unamed); \
2299 Field (ret_v, 0) = str_v; \
2302 case FZ_LINK_GOTOR: \
2303 str_v = caml_copy_string (link->dest.ld.gotor.file_spec); \
2304 pageno = link->dest.ld.gotor.page; \
2305 tup_v = caml_alloc_tuple (2); \
2306 ret_v = caml_alloc_small (1, uremote); \
2307 Field (tup_v, 0) = str_v; \
2308 Field (tup_v, 1) = Val_int (pageno); \
2309 Field (ret_v, 0) = tup_v; \
2316 snprintf (buf, sizeof (buf), \
2317 "unhandled link kind %d", link->dest.kind); \
2318 str_v = caml_copy_string (buf); \
2319 ret_v = caml_alloc_small (1, uunexpected); \
2320 Field (ret_v, 0) = str_v; \
2326 CAMLprim value
ml_getlink (value ptr_v
, value n_v
)
2328 CAMLparam2 (ptr_v
, n_v
);
2329 CAMLlocal3 (ret_v
, tup_v
, str_v
);
2332 struct pagedim
*pdim
;
2333 char *s
= String_val (ptr_v
);
2335 ret_v
= Val_int (0);
2336 page
= parse_pointer ("ml_getlink", s
);
2337 ensureslinks (page
);
2338 pdim
= &state
.pagedims
[page
->pdimno
];
2339 link
= page
->slinks
[Int_val (n_v
)].link
;
2344 CAMLprim value
ml_getlinkcount (value ptr_v
)
2348 char *s
= String_val (ptr_v
);
2350 page
= parse_pointer ("ml_getlinkcount", s
);
2351 CAMLreturn (Val_int (page
->slinkcount
));
2354 CAMLprim value
ml_getlinkrect (value ptr_v
, value n_v
)
2356 CAMLparam2 (ptr_v
, n_v
);
2359 struct slink
*slink
;
2360 char *s
= String_val (ptr_v
);
2362 page
= parse_pointer ("ml_getlinkrect", s
);
2363 ensureslinks (page
);
2365 slink
= &page
->slinks
[Int_val (n_v
)];
2366 ret_v
= caml_alloc_tuple (4);
2367 Field (ret_v
, 0) = Val_int (slink
->bbox
.x0
);
2368 Field (ret_v
, 1) = Val_int (slink
->bbox
.y0
);
2369 Field (ret_v
, 2) = Val_int (slink
->bbox
.x1
);
2370 Field (ret_v
, 3) = Val_int (slink
->bbox
.y1
);
2374 CAMLprim value
ml_whatsunder (value ptr_v
, value x_v
, value y_v
)
2376 CAMLparam3 (ptr_v
, x_v
, y_v
);
2377 CAMLlocal3 (ret_v
, tup_v
, str_v
);
2380 char *s
= String_val (ptr_v
);
2381 int x
= Int_val (x_v
), y
= Int_val (y_v
);
2382 struct pagedim
*pdim
;
2384 ret_v
= Val_int (0);
2385 if (trylock ("ml_whatsunder")) {
2389 page
= parse_pointer ("ml_whatsunder", s
);
2390 pdim
= &state
.pagedims
[page
->pdimno
];
2391 x
+= pdim
->bounds
.x0
;
2392 y
+= pdim
->bounds
.y0
;
2393 link
= getlink (page
, x
, y
);
2402 for (span
= page
->text
; span
; span
= span
->next
) {
2403 for (i
= 0; i
< span
->len
; ++i
) {
2405 b
= &span
->text
[i
].bbox
;
2406 if ((x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
)) {
2408 span
->font
&& span
->font
->name
2410 : "Span has no font name"
2412 FT_FaceRec
*face
= span
->font
->ft_face
;
2413 if (face
&& face
->family_name
) {
2415 char *n1
= face
->family_name
;
2416 size_t l1
= strlen (n1
);
2417 size_t l2
= strlen (n2
);
2419 if (l1
!= l2
|| memcmp (n1
, n2
, l1
)) {
2420 s
= malloc (l1
+ l2
+ 2);
2424 memcpy (s
+ l2
+ 1, n1
, l1
+ 1);
2425 str_v
= caml_copy_string (s
);
2431 str_v
= caml_copy_string (n2
);
2433 ret_v
= caml_alloc_small (1, utext
);
2434 Field (ret_v
, 0) = str_v
;
2441 unlock ("ml_whatsunder");
2447 CAMLprim value
ml_seltext (value ptr_v
, value rect_v
)
2449 CAMLparam2 (ptr_v
, rect_v
);
2453 struct mark first
, last
;
2454 struct pagedim
*pdim
;
2455 int i
, x0
, x1
, y0
, y1
;
2456 char *s
= String_val (ptr_v
);
2458 if (trylock ("ml_seltext")) {
2462 page
= parse_pointer ("ml_seltext", s
);
2465 pdim
= &state
.pagedims
[page
->pdimno
];
2466 x0
= Int_val (Field (rect_v
, 0)) + pdim
->bounds
.x0
;;
2467 y0
= Int_val (Field (rect_v
, 1)) + pdim
->bounds
.y0
;
2468 x1
= Int_val (Field (rect_v
, 2)) + pdim
->bounds
.x0
;
2469 y1
= Int_val (Field (rect_v
, 3)) + pdim
->bounds
.y0
;
2472 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
2473 glColor3ub (128, 128, 128);
2474 glRecti (x0
, y0
, x1
, y1
);
2475 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
2481 last
.i
= first
.i
= 0;
2482 first
.span
= page
->text
;
2483 for (span
= page
->text
; span
; span
= span
->next
) {
2484 for (i
= 0; i
< span
->len
; ++i
) {
2485 b
= &span
->text
[i
].bbox
;
2488 if (x0
>= b
->x0
&& x0
<= b
->x1
&& y0
>= b
->y0
&& y0
<= b
->y1
) {
2493 if (x1
>= b
->x0
&& x1
<= b
->x1
&& y1
>= b
->y0
&& y1
<= b
->y1
) {
2498 if (0 && selected
) {
2499 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
2500 glColor3ub (128, 128, 128);
2501 glRecti (b
->x0
, b
->y0
, b
->x1
, b
->y1
);
2502 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
2507 if (y1
< y0
|| x1
< x0
) {
2510 if (first
.span
== last
.span
) {
2515 for (span
= first
.span
; span
&& span
!= last
.span
;
2516 span
= span
->next
) {
2529 first
.span
= last
.span
;
2535 page
->fmark
= first
;
2538 unlock ("ml_seltext");
2541 CAMLreturn (Val_unit
);
2544 static int pipespan (FILE *f
, fz_text_span
*span
, int a
, int b
)
2549 for (i
= a
; i
<= b
; ++i
) {
2550 len
= runetochar (buf
, &span
->text
[i
].c
);
2551 ret
= fwrite (buf
, len
, 1, f
);
2554 fprintf (stderr
, "failed to write %d bytes ret=%d: %s\n",
2555 len
, ret
, strerror (errno
));
2562 CAMLprim value
ml_copysel (value command_v
, value ptr_v
)
2568 char *s
= String_val (ptr_v
);
2569 char *command
= String_val (command_v
);
2571 if (trylock ("ml_copysel")) {
2575 page
= parse_pointer ("ml_sopysel", s
);
2577 if (!page
->fmark
.span
|| !page
->lmark
.span
) {
2578 fprintf (stderr
, "nothing to copy\n");
2582 f
= popen (command
, "w");
2584 fprintf (stderr
, "failed to open sel pipe: %s\n",
2589 for (span
= page
->fmark
.span
;
2590 span
&& span
!= page
->lmark
.span
->next
;
2591 span
= span
->next
) {
2592 int a
= span
== page
->fmark
.span
? page
->fmark
.i
: 0;
2593 int b
= span
== page
->lmark
.span
? page
->lmark
.i
: span
->len
- 1;
2594 if (pipespan (f
, span
, a
, b
)) {
2598 if (putc ('\n', f
) == EOF
) {
2599 fprintf (stderr
, "failed break line on sel pipe: %s\n",
2605 page
->lmark
.span
= NULL
;
2606 page
->fmark
.span
= NULL
;
2610 int ret
= pclose (f
);
2612 if (errno
!= ECHILD
) {
2613 fprintf (stderr
, "failed to close sel pipe: %s\n",
2619 unlock ("ml_copysel");
2622 CAMLreturn (Val_unit
);
2625 CAMLprim value
ml_getpdimrect (value pagedimno_v
)
2627 CAMLparam1 (pagedimno_v
);
2629 int pagedimno
= Int_val (pagedimno_v
);
2632 ret_v
= caml_alloc_small (4 * Double_wosize
, Double_array_tag
);
2633 if (trylock ("ml_getpdimrect")) {
2634 box
= fz_empty_rect
;
2637 box
= state
.pagedims
[pagedimno
].mediabox
;
2638 unlock ("ml_getpdimrect");
2641 Store_double_field (ret_v
, 0, box
.x0
);
2642 Store_double_field (ret_v
, 1, box
.x1
);
2643 Store_double_field (ret_v
, 2, box
.y0
);
2644 Store_double_field (ret_v
, 3, box
.y1
);
2649 static double getmaxw (void)
2655 for (i
= 0, p
= state
.pagedims
; i
< state
.pagedimcount
; ++i
, ++p
) {
2658 x0
= MIN (p
->mediabox
.x0
, p
->mediabox
.x1
);
2659 x1
= MAX (p
->mediabox
.x0
, p
->mediabox
.x1
);
2662 maxw
= MAX (w
, maxw
);
2667 CAMLprim value
ml_getmaxw (value unit_v
)
2669 CAMLparam1 (unit_v
);
2673 if (trylock ("ml_getmaxw")) {
2677 unlock ("ml_getmaxw");
2679 ret_v
= caml_copy_double (maxw
);
2683 CAMLprim value
ml_zoom_for_height (value winw_v
, value winh_v
, value dw_v
)
2685 CAMLparam3 (winw_v
, winh_v
, dw_v
);
2689 double maxw
= 0.0, maxh
= 0.0;
2691 double winw
= Int_val (winw_v
);
2692 double winh
= Int_val (winh_v
);
2693 double dw
= Int_val (dw_v
);
2694 double pw
= 1.0, ph
= 1.0, num
, den
;
2696 if (trylock ("ml_zoom_for_height")) {
2700 if (state
.proportional
) {
2704 for (i
= 0, p
= state
.pagedims
; i
< state
.pagedimcount
; ++i
, ++p
) {
2705 double x0
, x1
, y0
, y1
, w
, h
, scaledh
, scale
;
2707 x0
= MIN (p
->mediabox
.x0
, p
->mediabox
.x1
);
2708 x1
= MAX (p
->mediabox
.x0
, p
->mediabox
.x1
);
2709 y0
= MIN (p
->mediabox
.y0
, p
->mediabox
.y1
);
2710 y1
= MAX (p
->mediabox
.y0
, p
->mediabox
.y1
);
2715 if (state
.proportional
) {
2717 scaledh
= h
* scale
;
2724 if (scaledh
> maxh
) {
2731 num
= (winh
* pw
) + (ph
* dw
);
2735 unlock ("ml_zoom_for_height");
2737 ret_v
= caml_copy_double (zoom
);
2741 CAMLprim value
ml_draw_string (value pt_v
, value x_v
, value y_v
, value string_v
)
2743 CAMLparam4 (pt_v
, x_v
, y_v
, string_v
);
2745 int pt
= Int_val(pt_v
);
2746 int x
= Int_val (x_v
);
2747 int y
= Int_val (y_v
);
2750 w
= draw_string (state
.face
, pt
, x
, y
, String_val (string_v
));
2751 ret_v
= caml_copy_double (w
);
2755 CAMLprim value
ml_measure_string (value pt_v
, value string_v
)
2757 CAMLparam2 (pt_v
, string_v
);
2759 int pt
= Int_val (pt_v
);
2762 w
= measure_string (state
.face
, pt
, String_val (string_v
));
2763 ret_v
= caml_copy_double (w
);
2767 CAMLprim value
ml_getpagebox (value opaque_v
)
2769 CAMLparam1 (opaque_v
);
2773 char *s
= String_val (opaque_v
);
2774 struct page
*page
= parse_pointer ("ml_getpagebox", s
);
2776 ret_v
= caml_alloc_tuple (4);
2777 dev
= fz_new_bbox_device (state
.ctx
, &bbox
);
2778 dev
->hints
|= FZ_IGNORE_SHADE
;
2780 switch (page
->type
) {
2782 pdf_run_page (state
.u
.pdf
, page
->u
.pdfpage
, dev
, pagectm (page
), NULL
);
2786 xps_run_page (state
.u
.xps
, page
->u
.xpspage
, dev
, pagectm (page
), NULL
);
2790 bbox
= fz_infinite_bbox
;
2794 fz_free_device (dev
);
2795 Field (ret_v
, 0) = Val_int (bbox
.x0
);
2796 Field (ret_v
, 1) = Val_int (bbox
.y0
);
2797 Field (ret_v
, 2) = Val_int (bbox
.x1
);
2798 Field (ret_v
, 3) = Val_int (bbox
.y1
);
2803 CAMLprim value
ml_setaalevel (value level_v
)
2805 CAMLparam1 (level_v
);
2807 state
.aalevel
= Int_val (level_v
);
2808 CAMLreturn (Val_unit
);
2812 #include <X11/Xlib.h>
2818 GLXDrawable drawable
;
2821 #include "keysym2ucs.c"
2823 CAMLprim value
ml_keysymtoutf8 (value keysym_v
)
2825 CAMLparam1 (keysym_v
);
2827 KeySym keysym
= Int_val (keysym_v
);
2832 rune
= keysym2ucs (keysym
);
2833 len
= runetochar (buf
, &rune
);
2835 str_v
= caml_copy_string (buf
);
2839 CAMLprim value
ml_glx (value win_v
)
2843 XVisualInfo
*visual
;
2844 int attributes
[] = { GLX_RGBA
, GLX_DOUBLEBUFFER
, None
};
2846 glx
.dpy
= XOpenDisplay (NULL
);
2848 caml_failwith ("XOpenDisplay failed");
2851 screen
= DefaultScreen (glx
.dpy
);
2852 visual
= glXChooseVisual (glx
.dpy
, screen
, attributes
);
2854 XCloseDisplay (glx
.dpy
);
2856 caml_failwith ("glXChooseVisual");
2859 glx
.ctx
= glXCreateContext (glx
.dpy
, visual
, NULL
, True
);
2861 XCloseDisplay (glx
.dpy
);
2864 caml_failwith ("glXCreateContext");
2868 if (!glXMakeCurrent (glx
.dpy
, Int_val (win_v
), glx
.ctx
)) {
2869 glXDestroyContext (glx
.dpy
, glx
.ctx
);
2870 XCloseDisplay (glx
.dpy
);
2873 caml_failwith ("glXMakeCurrent");
2875 glx
.drawable
= Int_val (win_v
);
2877 CAMLreturn (Val_unit
);
2880 CAMLprim value
ml_swapb (value unit_v
)
2882 CAMLparam1 (unit_v
);
2883 glXSwapBuffers (glx
.dpy
, glx
.drawable
);
2884 CAMLreturn (Val_unit
);
2887 enum { piunknown
, pilinux
, piosx
, pisun
, pifreebsd
,
2888 pidragonflybsd
, piopenbsd
, pinetbsd
, picygwin
};
2890 CAMLprim value
ml_platform (value unit_v
)
2892 CAMLparam1 (unit_v
);
2893 int platid
= piunknown
;
2895 #if defined __linux__
2897 #elif defined __CYGWIN__
2899 #elif defined __DragonFly__
2900 platid
= pidragonflybsd
;
2901 #elif defined __FreeBSD__
2903 #elif defined __OpenBSD__
2905 #elif defined __NetBSD__
2907 #elif defined __sun__
2909 #elif defined __APPLE__
2912 CAMLreturn (Val_int (platid
));
2915 CAMLprim value
ml_cloexec (value fd_v
)
2918 int fd
= Int_val (fd_v
);
2920 if (fcntl (fd
, F_SETFD
, FD_CLOEXEC
, 1)) {
2921 uerror ("fcntl", Nothing
);
2923 CAMLreturn (Val_unit
);
2926 CAMLprim value
ml_init (value pipe_v
, value params_v
)
2928 CAMLparam2 (pipe_v
, params_v
);
2929 CAMLlocal2 (trim_v
, fuzz_v
);
2936 struct sigaction sa
;
2939 state
.cr
= Int_val (Field (pipe_v
, 0));
2940 state
.cw
= Int_val (Field (pipe_v
, 1));
2941 state
.rotate
= Int_val (Field (params_v
, 0));
2942 state
.proportional
= Bool_val (Field (params_v
, 1));
2943 trim_v
= Field (params_v
, 2);
2944 texcount
= Int_val (Field (params_v
, 3));
2945 state
.sliceheight
= Int_val (Field (params_v
, 4));
2946 mustoresize
= Int_val (Field (params_v
, 5));
2947 colorspace
= Int_val (Field (params_v
, 6));
2948 fontpath
= String_val (Field (params_v
, 7));
2950 state
.ctx
= fz_new_context (NULL
, NULL
, mustoresize
);
2952 state
.trimmargins
= Bool_val (Field (trim_v
, 0));
2953 fuzz_v
= Field (trim_v
, 1);
2954 state
.trimfuzz
.x0
= Int_val (Field (fuzz_v
, 0));
2955 state
.trimfuzz
.y0
= Int_val (Field (fuzz_v
, 1));
2956 state
.trimfuzz
.x1
= Int_val (Field (fuzz_v
, 2));
2957 state
.trimfuzz
.y1
= Int_val (Field (fuzz_v
, 3));
2959 set_tex_params (colorspace
);
2962 state
.face
= load_font (fontpath
);
2966 void *base
= pdf_find_substitute_font (0, 0, 0, 0, &len
);
2968 state
.face
= load_builtin_font (base
, len
);
2970 if (!state
.face
) _exit (1);
2972 realloctexts (texcount
);
2975 sa
.sa_handler
= SIG_DFL
;
2976 if (sigemptyset (&sa
.sa_mask
)) {
2977 err (1, "sigemptyset");
2979 sa
.sa_flags
= SA_RESTART
| SA_NOCLDSTOP
| SA_NOCLDWAIT
;
2980 if (sigaction (SIGCHLD
, &sa
, NULL
)) {
2981 err (1, "sigaction");
2985 ret
= pthread_create (&state
.thread
, NULL
, mainloop
, NULL
);
2987 errx (1, "pthread_create: %s", strerror (ret
));
2990 CAMLreturn (Val_unit
);