1 /* lots of code c&p-ed directly from mupdf */
11 #define WIN32_LEAN_AND_MEAN
14 #define fionread_arg long
25 #pragma warning (disable:4244)
26 #pragma warning (disable:4996)
27 #pragma warning (disable:4995)
28 #define NORETURN __declspec (noreturn)
31 #elif defined __GNUC__
32 #define NORETURN __attribute__ ((noreturn))
33 #define UNUSED __attribute__ ((unused))
34 #define OPTIMIZE(n) __attribute__ ((optimize ("O"#n)))
42 /* some versions of MingW have non idempotent %p */
44 #define FMT_ptr PRIxPTR
45 #define FMT_ptr_cast(p) ((intptr_t *) (p))
46 #define FMT_ptr_cast2(p) ((intptr_t) (p))
49 #define FMT_ptr_cast(p) (p)
50 #define FMT_ptr_cast2(p) (p)
54 static void __declspec (noreturn
) sockerr (int exitcode
, const char *fmt
, ...)
59 vfprintf (stderr
, fmt
, ap
);
61 fprintf (stderr
, ": wsaerror 0x%x\n", WSAGetLastError ());
67 #define fionread_arg int
68 #define ioctlsocket ioctl
81 #include <sys/types.h>
82 #include <sys/socket.h>
83 #include <sys/ioctl.h>
86 static void NORETURN
err (int exitcode
, const char *fmt
, ...)
93 vfprintf (stderr
, fmt
, ap
);
95 fprintf (stderr
, ": %s\n", strerror (savederrno
));
100 static void NORETURN
errx (int exitcode
, const char *fmt
, ...)
105 vfprintf (stderr
, fmt
, ap
);
107 fputc ('\n', stderr
);
113 #include <OpenGL/gl.h>
118 #ifndef GL_TEXTURE_RECTANGLE_ARB
119 #define GL_TEXTURE_RECTANGLE_ARB 0x84F5
123 #define GL_BGRA 0x80E1
126 #ifndef GL_UNSIGNED_INT_8_8_8_8
127 #define GL_UNSIGNED_INT_8_8_8_8 0x8035
130 #ifndef GL_UNSIGNED_INT_8_8_8_8_REV
131 #define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
134 #include <caml/fail.h>
135 #include <caml/alloc.h>
136 #include <caml/memory.h>
137 #include <caml/unixsupport.h>
143 #include FT_FREETYPE_H
146 #define lprintf printf
151 #define ARSERT(cond) for (;;) { \
153 errx (1, "%s:%d " #cond, __FILE__, __LINE__); \
168 struct slice slices
[1];
179 fz_matrix ctm
, zoomctm
, lctm
, tctm
;
194 fz_display_list
*dlist
;
201 #if !defined _WIN32 && !defined __APPLE__
209 struct pagedim
*pagedims
;
217 fz_glyph_cache
*cache
;
228 fz_colorspace
*colorspace
;
256 static void UNUSED
debug_rect (const char *cap
, fz_rect r
)
258 printf ("%s(rect) %.2f,%.2f,%.2f,%.2f\n", cap
, r
.x0
, r
.y0
, r
.x1
, r
.y1
);
261 static void UNUSED
debug_bbox (const char *cap
, fz_bbox r
)
263 printf ("%s(bbox) %d,%d,%d,%d\n", cap
, r
.x0
, r
.y0
, r
.x1
, r
.y1
);
266 static void UNUSED
debug_matrix (const char *cap
, fz_matrix m
)
268 printf ("%s(matrix) %.2f,%.2f,%.2f,%.2f %.2f %.2f\n", cap
,
269 m
.a
, m
.b
, m
.c
, m
.d
, m
.e
, m
.f
);
273 static CRITICAL_SECTION critsec
;
275 static void lock (void *unused
)
278 EnterCriticalSection (&critsec
);
281 static void unlock (void *unused
)
284 LeaveCriticalSection (&critsec
);
287 static int trylock (void *unused
)
289 return TryEnterCriticalSection (&critsec
) == 0;
292 static pthread_mutex_t mutex
= PTHREAD_MUTEX_INITIALIZER
;
294 static void lock (const char *cap
)
296 int ret
= pthread_mutex_lock (&mutex
);
298 errx (1, "%s: pthread_mutex_lock: %s", cap
, strerror (ret
));
302 static void unlock (const char *cap
)
304 int ret
= pthread_mutex_unlock (&mutex
);
306 errx (1, "%s: pthread_mutex_unlock: %s", cap
, strerror (ret
));
310 static int trylock (const char *cap
)
312 int ret
= pthread_mutex_trylock (&mutex
);
314 if (ret
&& ret
!= EBUSY
) {
315 errx (1, "%s: pthread_mutex_trylock: %s", cap
, strerror (ret
));
321 static void *parse_pointer (const char *cap
, const char *s
)
326 ret
= sscanf (s
, "%" FMT_ptr
, FMT_ptr_cast (&ptr
));
328 errx (1, "%s: cannot parse pointer in `%s'", cap
, s
);
333 static int hasdata (int sock
)
337 ret
= ioctlsocket (sock
, FIONREAD
, &avail
);
338 if (ret
) sockerr (1, "hasdata: FIONREAD error ret=%d", ret
);
342 static double now (void)
348 GetSystemTimeAsFileTime (&ft
);
349 tmp
= ft
.dwHighDateTime
;
351 tmp
|= ft
.dwLowDateTime
;
356 if (gettimeofday (&tv
, NULL
)) {
357 err (1, "gettimeofday");
359 return tv
.tv_sec
+ tv
.tv_usec
*1e-6;
363 static void readdata (int fd
, char *p
, int size
)
367 n
= recv (fd
, p
, size
, 0);
369 if (!n
) errx (1, "EOF while reading");
370 sockerr (1, "recv (req %d, ret %" FMT_ss
")", size
, n
);
374 static void writedata (int fd
, char *p
, int size
)
379 buf
[0] = (size
>> 24) & 0xff;
380 buf
[1] = (size
>> 16) & 0xff;
381 buf
[2] = (size
>> 8) & 0xff;
382 buf
[3] = (size
>> 0) & 0xff;
384 n
= send (fd
, buf
, 4, 0);
386 if (!n
) errx (1, "EOF while writing length");
387 sockerr (1, "send %" FMT_ss
, n
);
390 n
= send (fd
, p
, size
, 0);
392 if (!n
) errx (1, "EOF while writing data");
393 sockerr (1, "send (req %d, ret %" FMT_ss
")", size
, n
);
399 __attribute__ ((format (printf
, 2, 3)))
401 printd (int fd
, const char *fmt
, ...)
409 if (!buf
) err (errno
, "malloc for temp buf (%d bytes) failed", size
);
412 len
= vsnprintf (buf
, size
, fmt
, ap
);
415 if (len
> -1 && len
< size
) {
416 writedata (fd
, buf
, len
);
426 buf
= realloc (buf
, size
);
431 static void openxref (char *filename
, char *password
)
435 for (i
= 0; i
< state
.texcount
; ++i
) {
436 state
.texowners
[i
].w
= -1;
437 state
.texowners
[i
].slice
= NULL
;
440 if (state
.type
== DPDF
) {
442 pdf_close_document (state
.u
.pdf
);
448 xps_close_document (state
.u
.xps
);
452 len
= strlen (filename
);
458 ext
[0] = tolower (filename
[len
-3]);
459 ext
[1] = tolower (filename
[len
-2]);
460 ext
[2] = tolower (filename
[len
-1]);
461 if (ext
[0] == 'x' && ext
[1] == 'p' && ext
[2] == 's') {
466 if (state
.pagedims
) {
467 free (state
.pagedims
);
468 state
.pagedims
= NULL
;
470 state
.pagedimcount
= 0;
472 fz_set_aa_level (state
.ctx
, state
.aalevel
);
473 if (state
.type
== DPDF
) {
474 state
.u
.pdf
= pdf_open_document (state
.ctx
, filename
);
475 if (pdf_needs_password (state
.u
.pdf
)) {
476 int okay
= pdf_authenticate_password (state
.u
.pdf
, password
);
478 errx (1, "invalid password");
481 state
.pagecount
= pdf_count_pages (state
.u
.pdf
);
484 state
.u
.xps
= xps_open_document (state
.ctx
, filename
);
485 state
.pagecount
= xps_count_pages (state
.u
.xps
);
489 static void pdfinfo (void)
491 if (state
.type
== DPDF
) {
494 printd (state
.sock
, "info PDF version\t%d.%d",
495 state
.u
.pdf
->version
/ 10, state
.u
.pdf
->version
% 10);
497 infoobj
= fz_dict_gets (state
.u
.pdf
->trailer
, "Info");
501 char *items
[] = { "Title", "Author", "Creator",
502 "Producer", "CreationDate" };
504 for (i
= 0; i
< sizeof (items
) / sizeof (*items
); ++i
) {
505 fz_obj
*obj
= fz_dict_gets (infoobj
, items
[i
]);
506 s
= pdf_to_utf8 (state
.ctx
, obj
);
509 printd (state
.sock
, "title %s", s
);
511 printd (state
.sock
, "info %s\t%s", items
[i
], s
);
513 fz_free (state
.ctx
, s
);
516 printd (state
.sock
, "infoend");
520 static int readlen (int fd
)
525 n
= recv (fd
, p
, 4, 0);
527 if (!n
) errx (1, "EOF while reading length");
528 sockerr (1, "recv %" FMT_ss
, n
);
531 return (p
[0] << 24) | (p
[1] << 16) | (p
[2] << 8) | p
[3];
534 static void unlinktile (struct tile
*tile
)
538 for (i
= 0; i
< tile
->slicecount
; ++i
) {
539 struct slice
*s
= &tile
->slices
[i
];
541 if (s
->texindex
!= -1) {
542 if (state
.texowners
[s
->texindex
].slice
== s
) {
543 state
.texowners
[s
->texindex
].slice
= NULL
;
549 static void freepage (struct page
*page
)
552 fz_free_text_span (state
.ctx
, page
->text
);
554 if (page
->type
== DPDF
) {
555 pdf_free_page (state
.ctx
, page
->u
.pdfpage
);
558 xps_free_page (state
.u
.xps
, page
->u
.xpspage
);
560 fz_free_display_list (state
.ctx
, page
->dlist
);
564 static void freetile (struct tile
*tile
)
568 fz_drop_pixmap (state
.ctx
, tile
->pixmap
);
571 fz_drop_pixmap (state
.ctx
, state
.pig
);
573 state
.pig
= tile
->pixmap
;
581 static int cacheline32bytes
;
582 extern char **environ
;
584 static void __attribute__ ((constructor
)) clcheck (void)
586 char **envp
= environ
;
591 for (auxv
= (unsigned long *) envp
; *auxv
!= 0; auxv
+= 2) {
593 cacheline32bytes
= auxv
[1] == 32;
599 static void OPTIMIZE (3) clearpixmap (fz_pixmap
*pixmap
)
601 if (cacheline32bytes
) {
602 intptr_t a1
, a2
, diff
;
603 size_t sizea
, i
, size
= pixmap
->w
* pixmap
->h
* pixmap
->n
;
604 vector
unsigned char v
= vec_splat_u8 (-1);
605 vector
unsigned char *p
;
607 a1
= a2
= (intptr_t) pixmap
->samples
;
608 a2
= (a1
+ 31) & ~31;
613 while (a1
!= a2
) *(char *) a1
++ = 0xff;
614 for (i
= 0; i
< (sizea
& ~31); i
+= 32) {
615 __asm
volatile ("dcbz %0, %1"::"b"(a2
),"r"(i
));
617 vec_st (v
, i
+ 16, p
);
619 while (i
< sizea
) *((char *) a1
+ i
++) = 0xff;
621 else fz_clear_pixmap_with_color (pixmap
, 0xff);
624 #define clearpixmap(p) fz_clear_pixmap_with_color (p, 0xff)
627 static fz_matrix
trimctm (pdf_page
*page
, int pindex
)
630 struct pagedim
*pdim
= &state
.pagedims
[pindex
];
632 if (!pdim
->tctmready
) {
633 if (state
.trimmargins
) {
636 ctm
= fz_concat (fz_rotate (-pdim
->rotate
), fz_scale (1, -1));
637 realbox
= fz_transform_rect (ctm
, pdim
->mediabox
);
638 ctm
= fz_concat (ctm
, fz_translate (-realbox
.x0
, -realbox
.y0
));
639 ctm
= fz_concat (fz_invert_matrix (page
->ctm
), ctm
);
650 static fz_matrix
pagectm (struct page
*page
)
652 if (page
->type
== DPDF
) {
653 return fz_concat (trimctm (page
->u
.pdfpage
, page
->pdimno
),
654 state
.pagedims
[page
->pdimno
].ctm
);
658 struct pagedim
*pdim
= &state
.pagedims
[page
->pdimno
];
660 ctm
= state
.pagedims
[page
->pdimno
].ctm
;
661 ctm
= fz_concat (fz_translate (-pdim
->mediabox
.x0
,
662 -pdim
->mediabox
.y0
), ctm
);
667 static void *loadpage (int pageno
, int pindex
)
670 struct page
*page
= NULL
;
672 page
= calloc (sizeof (struct page
), 1);
674 err (1, "calloc page %d", pageno
);
677 page
->dlist
= fz_new_display_list (state
.ctx
);
678 dev
= fz_new_list_device (state
.ctx
, page
->dlist
);
679 if (state
.type
== DPDF
) {
680 page
->u
.pdfpage
= pdf_load_page (state
.u
.pdf
, pageno
);
681 pdf_run_page (state
.u
.pdf
, page
->u
.pdfpage
, dev
, fz_identity
, NULL
);
684 page
->u
.xpspage
= xps_load_page (state
.u
.xps
, pageno
);
685 xps_run_page (state
.u
.xps
, page
->u
.xpspage
, dev
, fz_identity
, NULL
);
687 fz_free_device (dev
);
689 page
->pdimno
= pindex
;
690 page
->pageno
= pageno
;
691 page
->gen
= state
.gen
;
692 page
->type
= state
.type
;
697 static struct tile
*alloctile (int h
)
704 slicecount
= (h
+ state
.sliceheight
- 1) / state
.sliceheight
;
705 tilesize
= sizeof (*tile
) + ((slicecount
- 1) * sizeof (struct slice
));
706 tile
= calloc (tilesize
, 1);
708 err (1, "can not allocate tile (%" FMT_s
" bytes)", tilesize
);
710 for (i
= 0; i
< slicecount
; ++i
) {
711 int sh
= MIN (h
, state
.sliceheight
);
712 tile
->slices
[i
].h
= sh
;
713 tile
->slices
[i
].texindex
= -1;
716 tile
->slicecount
= slicecount
;
717 tile
->sliceheight
= state
.sliceheight
;
721 static struct tile
*rendertile (struct page
*page
, int x
, int y
, int w
, int h
)
726 struct pagedim
*pdim
;
728 tile
= alloctile (h
);
729 pdim
= &state
.pagedims
[page
->pdimno
];
734 bbox
.x1
= bbox
.x0
+ w
;
735 bbox
.y1
= bbox
.y0
+ h
;
738 if (state
.pig
->w
== w
740 && state
.pig
->colorspace
== state
.colorspace
) {
741 tile
->pixmap
= state
.pig
;
742 tile
->pixmap
->x
= bbox
.x0
;
743 tile
->pixmap
->y
= bbox
.y0
;
746 fz_drop_pixmap (state
.ctx
, state
.pig
);
752 fz_new_pixmap_with_rect (state
.ctx
, state
.colorspace
, bbox
);
757 clearpixmap (tile
->pixmap
);
758 dev
= fz_new_draw_device (state
.ctx
, tile
->pixmap
);
759 fz_execute_display_list (page
->dlist
, dev
, pagectm (page
), bbox
, NULL
);
760 fz_free_device (dev
);
765 static void initpdims (void)
771 for (pageno
= 0; pageno
< state
.pagecount
; ++pageno
) {
777 if (state
.type
== DPDF
) {
778 pageobj
= state
.u
.pdf
->page_objs
[pageno
];
780 if (state
.trimmargins
) {
784 page
= pdf_load_page (state
.u
.pdf
, pageno
);
785 obj
= fz_dict_gets (pageobj
, "llpp.TrimBox");
786 if (state
.trimanew
|| !obj
) {
792 dev
= fz_new_bbox_device (state
.ctx
, &bbox
);
793 dev
->hints
|= FZ_IGNORE_SHADE
;
794 ctm
= fz_invert_matrix (page
->ctm
);
795 pdf_run_page (state
.u
.pdf
, page
, dev
, fz_identity
, NULL
);
796 fz_free_device (dev
);
798 rect
.x0
= bbox
.x0
+ state
.trimfuzz
.x0
;
799 rect
.x1
= bbox
.x1
+ state
.trimfuzz
.x1
;
800 rect
.y0
= bbox
.y0
+ state
.trimfuzz
.y0
;
801 rect
.y1
= bbox
.y1
+ state
.trimfuzz
.y1
;
802 rect
= fz_transform_rect (ctm
, rect
);
803 rect
= fz_intersect_rect (rect
, page
->mediabox
);
805 if (fz_is_empty_rect (rect
)) {
806 mediabox
= page
->mediabox
;
812 obj
= fz_new_array (state
.ctx
, 4);
813 fz_array_push (obj
, fz_new_real (state
.ctx
, mediabox
.x0
));
814 fz_array_push (obj
, fz_new_real (state
.ctx
, mediabox
.y0
));
815 fz_array_push (obj
, fz_new_real (state
.ctx
, mediabox
.x1
));
816 fz_array_push (obj
, fz_new_real (state
.ctx
, mediabox
.y1
));
817 fz_dict_puts (pageobj
, "llpp.TrimBox", obj
);
820 mediabox
.x0
= fz_to_real (fz_array_get (obj
, 0));
821 mediabox
.y0
= fz_to_real (fz_array_get (obj
, 1));
822 mediabox
.x1
= fz_to_real (fz_array_get (obj
, 2));
823 mediabox
.y1
= fz_to_real (fz_array_get (obj
, 3));
826 rotate
= page
->rotate
;
827 pdf_free_page (state
.ctx
, page
);
829 printd (state
.sock
, "progress %f Trimming %d",
830 (double) (pageno
+ 1) / state
.pagecount
,
836 mediabox
= pdf_to_rect (state
.ctx
,
837 fz_dict_gets (pageobj
, "MediaBox"));
838 if (fz_is_empty_rect (mediabox
)) {
839 fprintf (stderr
, "cannot find page size for page %d\n",
847 cropbox
= pdf_to_rect (state
.ctx
,
848 fz_dict_gets (pageobj
, "CropBox"));
849 if (!fz_is_empty_rect (cropbox
)) {
850 mediabox
= fz_intersect_rect (mediabox
, cropbox
);
852 rotate
= fz_to_int (fz_dict_gets (pageobj
, "Rotate"));
858 page
= xps_load_page (state
.u
.xps
, pageno
);
859 mediabox
= xps_bound_page (state
.u
.xps
, page
);
861 if (state
.trimmargins
) {
866 dev
= fz_new_bbox_device (state
.ctx
, &bbox
);
867 dev
->hints
|= FZ_IGNORE_SHADE
;
868 xps_run_page (state
.u
.xps
, page
, dev
, fz_identity
, NULL
);
869 fz_free_device (dev
);
871 rect
.x0
= bbox
.x0
+ state
.trimfuzz
.x0
;
872 rect
.x1
= bbox
.x1
+ state
.trimfuzz
.x1
;
873 rect
.y0
= bbox
.y0
+ state
.trimfuzz
.y0
;
874 rect
.y1
= bbox
.y1
+ state
.trimfuzz
.y1
;
875 rect
= fz_intersect_rect (rect
, mediabox
);
877 if (!fz_is_empty_rect (rect
)) {
881 printd (state
.sock
, "progress %f loading %d",
882 (double) (pageno
+ 1) / state
.pagecount
,
885 if (state
.pagedimcount
== 0
886 || (p
= &state
.pagedims
[state
.pagedimcount
-1], p
->rotate
!= rotate
)
887 || memcmp (&p
->mediabox
, &mediabox
, sizeof (mediabox
))) {
890 size
= (state
.pagedimcount
+ 1) * sizeof (*state
.pagedims
);
891 state
.pagedims
= realloc (state
.pagedims
, size
);
892 if (!state
.pagedims
) {
893 err (1, "realloc pagedims to %" FMT_s
" (%d elems)",
894 size
, state
.pagedimcount
+ 1);
897 p
= &state
.pagedims
[state
.pagedimcount
++];
899 p
->mediabox
= mediabox
;
904 if (state
.trimmargins
) {
905 printd (state
.sock
, "progress 1 Trimmed %d pages in %f seconds",
906 state
.pagecount
, end
- start
);
909 printd (state
.sock
, "vmsg Processed %d pages in %f seconds",
910 state
.pagecount
, end
- start
);
915 static void layout (void)
920 double zoom
, w
, maxw
= 0;
921 struct pagedim
*p
= state
.pagedims
;
923 if (state
.proportional
) {
924 for (pindex
= 0; pindex
< state
.pagedimcount
; ++pindex
, ++p
) {
925 box
= fz_transform_rect (fz_rotate (p
->rotate
+ state
.rotate
),
928 maxw
= MAX (w
, maxw
);
933 for (pindex
= 0; pindex
< state
.pagedimcount
; ++pindex
, ++p
) {
936 ctm
= fz_rotate (state
.rotate
);
937 box
= fz_transform_rect (fz_rotate (p
->rotate
+ state
.rotate
),
941 if (state
.proportional
) {
942 double scale
= w
/ maxw
;
943 zoom
= (state
.w
/ w
) * scale
;
949 p
->zoomctm
= fz_scale (zoom
, zoom
);
950 ctm
= fz_concat (p
->zoomctm
, ctm
);
952 p
->pagebox
= fz_transform_rect (fz_rotate (p
->rotate
), p
->mediabox
);
953 p
->pagebox
.x1
-= p
->pagebox
.x0
;
954 p
->pagebox
.y1
-= p
->pagebox
.y0
;
957 bbox
= fz_round_rect (fz_transform_rect (ctm
, p
->pagebox
));
960 p
->left
= state
.proportional
? ((maxw
- w
) * zoom
) / 2.0 : 0;
964 ctm
= fz_concat (ctm
, fz_translate (0, -p
->mediabox
.y1
));
965 ctm
= fz_concat (ctm
, fz_scale (zoom
, -zoom
));
966 ctm
= fz_concat (ctm
, fz_rotate (p
->rotate
+ state
.rotate
));
972 while (p
-- != state
.pagedims
) {
973 int w
= p
->bounds
.x1
- p
->bounds
.x0
;
974 int h
= p
->bounds
.y1
- p
->bounds
.y0
;
976 printd (state
.sock
, "pdim %d %d %d %d", p
->pageno
, w
, h
, p
->left
);
980 static void recurse_outline (fz_outline
*outline
, int level
)
985 struct pagedim
*pdim
= state
.pagedims
;
987 dest
= &outline
->dest
;
988 for (i
= 0; i
< state
.pagedimcount
; ++i
) {
989 if (state
.pagedims
[i
].pageno
> dest
->ld
.gotor
.page
)
991 pdim
= &state
.pagedims
[i
];
993 if (dest
->ld
.gotor
.flags
& fz_link_flag_t_valid
) {
996 p
.y
= dest
->ld
.gotor
.lt
.y
;
997 p
= fz_transform_point (pdim
->lctm
, p
);
1000 if (dest
->ld
.gotor
.page
>= 0 && dest
->ld
.gotor
.page
< 1<<30) {
1004 y0
= MIN (pdim
->bounds
.y0
, pdim
->bounds
.y1
);
1005 y1
= MAX (pdim
->bounds
.y0
, pdim
->bounds
.y1
);
1007 printd (state
.sock
, "o %d %d %d %d %s",
1008 level
, dest
->ld
.gotor
.page
, top
, h
, outline
->title
);
1010 if (outline
->down
) {
1011 recurse_outline (outline
->down
, level
+ 1);
1013 outline
= outline
->next
;
1017 static void process_outline (void)
1019 fz_outline
*outline
;
1021 if (!state
.needoutline
) return;
1023 state
.needoutline
= 0;
1024 if (state
.type
== DPDF
) {
1025 outline
= pdf_load_outline (state
.u
.pdf
);
1028 outline
= xps_load_outline (state
.u
.xps
);
1031 recurse_outline (outline
, 0);
1032 fz_free_outline (state
.ctx
, outline
);
1036 static int comparespans (const void *l
, const void *r
)
1038 fz_text_span
const *const*ls
= l
;
1039 fz_text_span
const *const*rs
= r
;
1040 return (*ls
)->text
->bbox
.y0
- (*rs
)->text
->bbox
.y0
;
1043 /* wishful thinking function */
1044 static void search (regex_t
*re
, int pageno
, int y
, int forward
)
1052 union { pdf_page
*pdfpage
; xps_page
*xpspage
; } u
;
1053 fz_text_span
*text
, *span
, **pspan
;
1054 struct pagedim
*pdim
, *pdimprev
;
1061 while (pageno
>= 0 && pageno
< state
.pagecount
&& !stop
) {
1062 if (niters
++ == 5) {
1064 if (hasdata (state
.sock
)) {
1066 "progress 1 attention requested aborting search at %d",
1071 printd (state
.sock
, "progress %f searching in page %d",
1072 (double) (pageno
+ 1) / state
.pagecount
,
1077 for (i
= 0; i
< state
.pagedimcount
; ++i
) {
1078 pdim
= &state
.pagedims
[i
];
1079 if (pdim
->pageno
== pageno
) {
1082 if (pdim
->pageno
> pageno
) {
1091 text
= fz_new_text_span (state
.ctx
);
1092 tdev
= fz_new_text_device (state
.ctx
, text
);
1094 if (state
.type
== DPDF
) {
1095 u
.pdfpage
= pdf_load_page (state
.u
.pdf
, pageno
);
1096 pdf_run_page (state
.u
.pdf
, u
.pdfpage
, tdev
, fz_identity
, NULL
);
1099 u
.xpspage
= xps_load_page (state
.u
.xps
, pageno
);
1100 xps_run_page (state
.u
.xps
, u
.xpspage
, tdev
, fz_identity
, NULL
);
1103 fz_free_device (tdev
);
1106 for (span
= text
; span
; span
= span
->next
) {
1109 pspan
= malloc (sizeof (void *) * nspans
);
1111 err (1, "malloc span pointers %" FMT_s
, sizeof (void *) * nspans
);
1113 for (i
= 0, span
= text
; span
; span
= span
->next
, ++i
) {
1116 qsort (pspan
, nspans
, sizeof (fz_text_span
*), comparespans
);
1118 j
= forward
? 0 : nspans
- 1;
1123 j
+= forward
? 1 : -1;
1125 for (i
= 0; i
< MIN (span
->len
, (int) sizeof (buf
) - 1); ++i
) {
1127 if (span
->text
[i
].bbox
.y0
< y
+ 1) {
1132 if (span
->text
[i
].bbox
.y0
> y
- 1) {
1136 if (span
->text
[i
].c
< 256) {
1137 *p
++ = span
->text
[i
].c
;
1148 ret
= regexec (re
, buf
, 1, &rm
, 0);
1150 if (ret
!= REG_NOMATCH
) {
1153 size
= regerror (ret
, re
, errbuf
, sizeof (errbuf
));
1155 "msg regexec error `%.*s'",
1156 (int) size
, errbuf
);
1157 fz_free_text_span (state
.ctx
, text
);
1158 if (state
.type
== DPDF
) {
1159 pdf_free_page (state
.ctx
, u
.pdfpage
);
1162 xps_free_page (state
.u
.xps
, u
.xpspage
);
1170 fz_point p1
, p2
, p3
, p4
;
1172 sb
= &span
->text
[rm
.rm_so
].bbox
;
1173 eb
= &span
->text
[rm
.rm_eo
- 1].bbox
;
1184 if (state
.type
== DPDF
) {
1185 trimctm (u
.pdfpage
, pdim
- state
.pagedims
);
1186 ctm
= fz_concat (pdim
->tctm
, pdim
->zoomctm
);
1192 p1
= fz_transform_point (ctm
, p1
);
1193 p2
= fz_transform_point (ctm
, p2
);
1194 p3
= fz_transform_point (ctm
, p3
);
1195 p4
= fz_transform_point (ctm
, p4
);
1199 "firstmatch %d %d %f %f %f %f %f %f %f %f",
1207 "progress 1 found at %d `%.*s' in %f sec",
1208 pageno
, (int) (rm
.rm_eo
- rm
.rm_so
), &buf
[rm
.rm_so
],
1213 "match %d %d %f %f %f %f %f %f %f %f",
1231 fz_free_text_span (state
.ctx
, text
);
1232 if (state
.type
== DPDF
) {
1233 pdf_free_page (state
.ctx
, u
.pdfpage
);
1236 xps_free_page (state
.u
.xps
, u
.xpspage
);
1242 printd (state
.sock
, "progress 1 no matches %f sec", end
- start
);
1244 printd (state
.sock
, "clearrects");
1247 static void set_tex_params (int colorspace
)
1249 switch (colorspace
) {
1251 state
.texiform
= GL_RGBA8
;
1252 state
.texform
= GL_RGBA
;
1253 state
.texty
= GL_UNSIGNED_BYTE
;
1254 state
.colorspace
= fz_device_rgb
;
1257 state
.texiform
= GL_RGBA8
;
1258 state
.texform
= GL_BGRA
;
1259 state
.texty
= fz_is_big_endian ()
1260 ? GL_UNSIGNED_INT_8_8_8_8
1261 : GL_UNSIGNED_INT_8_8_8_8_REV
;
1262 state
.colorspace
= fz_device_bgr
;
1265 state
.texiform
= GL_LUMINANCE_ALPHA
;
1266 state
.texform
= GL_LUMINANCE_ALPHA
;
1267 state
.texty
= GL_UNSIGNED_BYTE
;
1268 state
.colorspace
= fz_device_gray
;
1271 errx (1, "invalid colorspce %d", colorspace
);
1275 static void realloctexts (int texcount
)
1279 if (texcount
== state
.texcount
) return;
1281 if (texcount
< state
.texcount
) {
1282 glDeleteTextures (state
.texcount
- texcount
,
1283 state
.texids
+ texcount
);
1286 size
= texcount
* sizeof (*state
.texids
);
1287 state
.texids
= realloc (state
.texids
, size
);
1288 if (!state
.texids
) {
1289 err (1, "realloc texids %" FMT_s
, size
);
1292 size
= texcount
* sizeof (*state
.texowners
);
1293 state
.texowners
= realloc (state
.texowners
, size
);
1294 if (!state
.texowners
) {
1295 err (1, "realloc texowners %" FMT_s
, size
);
1297 if (texcount
> state
.texcount
) {
1300 glGenTextures (texcount
- state
.texcount
,
1301 state
.texids
+ state
.texcount
);
1302 for (i
= state
.texcount
; i
< texcount
; ++i
) {
1303 state
.texowners
[i
].w
= -1;
1304 state
.texowners
[i
].slice
= NULL
;
1307 state
.texcount
= texcount
;
1317 mainloop (void *unused
)
1320 int len
, ret
, oldlen
= 0;
1323 len
= readlen (state
.sock
);
1325 errx (1, "readlen returned 0");
1328 if (oldlen
< len
+ 1) {
1329 p
= realloc (p
, len
+ 1);
1331 err (1, "realloc %d failed", len
+ 1);
1335 readdata (state
.sock
, p
, len
);
1338 if (!strncmp ("open", p
, 4)) {
1341 char *filename
= p
+ 5;
1343 filenamelen
= strlen (filename
);
1344 password
= filename
+ filenamelen
+ 1;
1346 openxref (filename
, password
);
1349 printd (state
.sock
, "msg Opened %s (press h/F1 to get help)",
1351 state
.needoutline
= 1;
1353 else if (!strncmp ("cs", p
, 2)) {
1356 ret
= sscanf (p
+ 2, " %d", &colorspace
);
1358 errx (1, "malformed cs `%.*s' ret=%d", len
, p
, ret
);
1361 set_tex_params (colorspace
);
1362 for (i
= 0; i
< state
.texcount
; ++i
) {
1363 state
.texowners
[i
].w
= -1;
1364 state
.texowners
[i
].slice
= NULL
;
1368 else if (!strncmp ("freepage", p
, 8)) {
1371 ret
= sscanf (p
+ 8, " %" FMT_ptr
, FMT_ptr_cast (&ptr
));
1373 errx (1, "malformed freepage `%.*s' ret=%d", len
, p
, ret
);
1377 else if (!strncmp ("freetile", p
, 8)) {
1380 ret
= sscanf (p
+ 8, " %" FMT_ptr
, FMT_ptr_cast (&ptr
));
1382 errx (1, "malformed freetile `%.*s' ret=%d", len
, p
, ret
);
1386 else if (!strncmp ("search", p
, 6)) {
1387 int icase
, pageno
, y
, ret
, len2
, forward
;
1391 ret
= sscanf (p
+ 6, " %d %d %d %d,%n",
1392 &icase
, &pageno
, &y
, &forward
, &len2
);
1394 errx (1, "malformed search `%s' ret=%d", p
, ret
);
1397 pattern
= p
+ 6 + len2
;
1398 ret
= regcomp (&re
, pattern
,
1399 REG_EXTENDED
| (icase
? REG_ICASE
: 0));
1404 size
= regerror (ret
, &re
, errbuf
, sizeof (errbuf
));
1405 printd (state
.sock
, "msg regcomp failed `%.*s'",
1406 (int) size
, errbuf
);
1409 search (&re
, pageno
, y
, forward
);
1413 else if (!strncmp ("geometry", p
, 8)) {
1416 printd (state
.sock
, "clear");
1417 ret
= sscanf (p
+ 8, " %d %d", &w
, &h
);
1419 errx (1, "malformed geometry `%.*s' ret=%d", len
, p
, ret
);
1427 for (i
= 0; i
< state
.texcount
; ++i
) {
1428 state
.texowners
[i
].slice
= NULL
;
1434 unlock ("geometry");
1435 printd (state
.sock
, "continue %d", state
.pagecount
);
1437 else if (!strncmp ("reqlayout", p
, 9)) {
1438 int rotate
, proportional
;
1440 printd (state
.sock
, "clear");
1441 ret
= sscanf (p
+ 9, " %d %d", &rotate
, &proportional
);
1443 errx (1, "bad reqlayout line `%.*s' ret=%d", len
, p
, ret
);
1446 state
.rotate
= rotate
;
1447 state
.proportional
= proportional
;
1449 unlock ("reqlayout");
1450 printd (state
.sock
, "continue %d", state
.pagecount
);
1452 else if (!strncmp ("page", p
, 4)) {
1455 int pageno
, pindex
, ret
;
1457 ret
= sscanf (p
+ 4, " %d %d", &pageno
, &pindex
);
1459 errx (1, "bad render line `%.*s' ret=%d", len
, p
, ret
);
1464 page
= loadpage (pageno
, pindex
);
1468 printd (state
.sock
, "page %" FMT_ptr
" %f",
1469 FMT_ptr_cast2 (page
), b
- a
);
1471 else if (!strncmp ("tile", p
, 4)) {
1472 int x
, y
, w
, h
, ret
;
1477 ret
= sscanf (p
+ 4, " %" FMT_ptr
" %d %d %d %d",
1478 FMT_ptr_cast (&page
), &x
, &y
, &w
, &h
);
1480 errx (1, "bad tile line `%.*s' ret=%d", len
, p
, ret
);
1485 tile
= rendertile (page
, x
, y
, w
, h
);
1489 printd (state
.sock
, "tile %d %d %" FMT_ptr
" %u %f",
1491 FMT_ptr_cast2 (tile
),
1492 tile
->w
* tile
->h
* tile
->pixmap
->n
,
1495 else if (!strncmp ("settrim", p
, 7)) {
1499 ret
= sscanf (p
+ 7, " %d %d %d %d %d", &trimmargins
,
1500 &fuzz
.x0
, &fuzz
.y0
, &fuzz
.x1
, &fuzz
.y1
);
1502 errx (1, "malformed settrim `%.*s' ret=%d", len
, p
, ret
);
1504 printd (state
.sock
, "clear");
1506 state
.trimmargins
= trimmargins
;
1507 state
.needoutline
= 1;
1508 if (memcmp (&fuzz
, &state
.trimfuzz
, sizeof (fuzz
))) {
1510 state
.trimfuzz
= fuzz
;
1512 state
.pagedimcount
= 0;
1513 free (state
.pagedims
);
1514 state
.pagedims
= NULL
;
1519 printd (state
.sock
, "continue %d", state
.pagecount
);
1521 else if (!strncmp ("sliceh", p
, 6)) {
1524 ret
= sscanf (p
+ 6, " %d", &h
);
1526 errx (1, "malformed sliceh `%.*s' ret=%d", len
, p
, ret
);
1528 if (h
!= state
.sliceheight
) {
1531 state
.sliceheight
= h
;
1532 for (i
= 0; i
< state
.texcount
; ++i
) {
1533 state
.texowners
[i
].w
= -1;
1534 state
.texowners
[i
].h
= -1;
1535 state
.texowners
[i
].slice
= NULL
;
1539 else if (!strncmp ("interrupt", p
, 9)) {
1540 printd (state
.sock
, "vmsg interrupted");
1542 else if (!strncmp ("quit", p
, 4)) {
1546 errx (1, "unknown command %.*s", len
, p
);
1552 CAMLprim value
ml_realloctexts (value texcount_v
)
1554 CAMLparam1 (texcount_v
);
1557 if (trylock ("ml_realloctexts")) {
1561 realloctexts (Int_val (texcount_v
));
1563 unlock ("ml_realloctexts");
1566 CAMLreturn (Val_bool (ok
));
1569 static void showsel (struct page
*page
, int ox
, int oy
)
1573 struct mark first
, last
;
1575 first
= page
->fmark
;
1578 if (!first
.span
|| !last
.span
) return;
1580 glEnable (GL_BLEND
);
1581 glBlendFunc (GL_SRC_ALPHA
, GL_SRC_ALPHA
);
1582 glColor4f (0.5f
, 0.5f
, 0.0f
, 0.6f
);
1584 ox
-= state
.pagedims
[page
->pdimno
].bounds
.x0
;
1585 oy
-= state
.pagedims
[page
->pdimno
].bounds
.y0
;
1586 for (span
= first
.span
; span
; span
= span
->next
) {
1589 bbox
.x0
= bbox
.y0
= bbox
.x1
= bbox
.y1
= 0;
1594 if (span
== page
->fmark
.span
&& span
== page
->lmark
.span
) {
1595 j
= MIN (first
.i
, last
.i
);
1596 k
= MAX (first
.i
, last
.i
);
1598 else if (span
== first
.span
) {
1601 else if (span
== last
.span
) {
1605 for (i
= j
; i
<= k
; ++i
) {
1606 bbox
= fz_union_bbox (bbox
, span
->text
[i
].bbox
);
1608 lprintf ("%d %d %d %d oy=%d ox=%d\n",
1615 glRecti (bbox
.x0
+ ox
, bbox
.y0
+ oy
, bbox
.x1
+ ox
, bbox
.y1
+ oy
);
1617 if (span
== last
.span
) break;
1619 glDisable (GL_BLEND
);
1622 static void highlightlinks (struct page
*page
, int xoff
, int yoff
)
1627 if (page
->type
!= DPDF
) {
1631 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
1632 glEnable (GL_LINE_STIPPLE
);
1633 glLineStipple (0.5, 0xcccc);
1635 ctm
= fz_concat (pagectm (page
), fz_translate (xoff
, yoff
));
1638 for (link
= page
->u
.pdfpage
->links
; link
; link
= link
->next
) {
1639 fz_point p1
, p2
, p3
, p4
;
1641 p1
.x
= link
->rect
.x0
;
1642 p1
.y
= link
->rect
.y0
;
1644 p2
.x
= link
->rect
.x1
;
1645 p2
.y
= link
->rect
.y0
;
1647 p3
.x
= link
->rect
.x1
;
1648 p3
.y
= link
->rect
.y1
;
1650 p4
.x
= link
->rect
.x0
;
1651 p4
.y
= link
->rect
.y1
;
1653 p1
= fz_transform_point (ctm
, p1
);
1654 p2
= fz_transform_point (ctm
, p2
);
1655 p3
= fz_transform_point (ctm
, p3
);
1656 p4
= fz_transform_point (ctm
, p4
);
1658 switch (link
->dest
.kind
) {
1659 case FZ_LINK_GOTO
: glColor3ub (255, 0, 0); break;
1660 case FZ_LINK_URI
: glColor3ub (0, 0, 255); break;
1661 default: glColor3ub (0, 0, 0); break;
1664 glVertex2f (p1
.x
, p1
.y
);
1665 glVertex2f (p2
.x
, p2
.y
);
1666 glVertex2f (p3
.x
, p3
.y
);
1667 glVertex2f (p4
.x
, p4
.y
);
1671 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
1672 glDisable (GL_LINE_STIPPLE
);
1675 static void uploadslice (struct tile
*tile
, struct slice
*slice
)
1678 struct slice
*slice1
;
1681 for (slice1
= tile
->slices
; slice
!= slice1
; slice1
++) {
1682 offset
+= slice1
->h
* tile
->w
* tile
->pixmap
->n
;
1684 if (slice
->texindex
!= -1 && slice
->texindex
< state
.texcount
1685 && state
.texowners
[slice
->texindex
].slice
== slice
) {
1686 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[slice
->texindex
]);
1690 int texindex
= state
.texindex
++ % state
.texcount
;
1692 if (state
.texowners
[texindex
].w
== tile
->w
) {
1693 if (state
.texowners
[texindex
].h
>= slice
->h
) {
1697 state
.texowners
[texindex
].h
= slice
->h
;
1701 state
.texowners
[texindex
].h
= slice
->h
;
1704 state
.texowners
[texindex
].w
= tile
->w
;
1705 state
.texowners
[texindex
].slice
= slice
;
1706 slice
->texindex
= texindex
;
1708 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[texindex
]);
1710 glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB
,
1718 tile
->pixmap
->samples
+offset
1722 glTexImage2D (GL_TEXTURE_RECTANGLE_ARB
,
1730 tile
->pixmap
->samples
+offset
1736 CAMLprim value
ml_drawtile (value args_v
, value ptr_v
)
1738 CAMLparam2 (args_v
, ptr_v
);
1739 int dispx
= Int_val (Field (args_v
, 0));
1740 int dispy
= Int_val (Field (args_v
, 1));
1741 int dispw
= Int_val (Field (args_v
, 2));
1742 int disph
= Int_val (Field (args_v
, 3));
1743 int tilex
= Int_val (Field (args_v
, 4));
1744 int tiley
= Int_val (Field (args_v
, 5));
1745 char *s
= String_val (ptr_v
);
1746 struct tile
*tile
= parse_pointer ("ml_drawtile", s
);
1748 glEnable (GL_TEXTURE_RECTANGLE_ARB
);
1750 int slicey
, firstslice
;
1751 struct slice
*slice
;
1753 firstslice
= tiley
/ tile
->sliceheight
;
1754 slice
= &tile
->slices
[firstslice
];
1755 slicey
= tiley
% tile
->sliceheight
;
1760 dh
= slice
->h
- slicey
;
1761 dh
= MIN (disph
, dh
);
1762 uploadslice (tile
, slice
);
1766 glTexCoord2i (tilex
, slicey
);
1767 glVertex2i (dispx
, dispy
);
1769 glTexCoord2i (tilex
+dispw
, slicey
);
1770 glVertex2i (dispx
+dispw
, dispy
);
1772 glTexCoord2i (tilex
+dispw
, slicey
+dh
);
1773 glVertex2i (dispx
+dispw
, dispy
+dh
);
1775 glTexCoord2i (tilex
, slicey
+dh
);
1776 glVertex2i (dispx
, dispy
+dh
);
1783 ARSERT (!(slice
- tile
->slices
>= tile
->slicecount
&& disph
> 0));
1787 glDisable (GL_TEXTURE_RECTANGLE_ARB
);
1788 CAMLreturn (Val_unit
);
1791 CAMLprim value
ml_postprocess (value ptr_v
, value hlinks_v
,
1792 value xoff_v
, value yoff_v
)
1794 CAMLparam4 (ptr_v
, hlinks_v
, xoff_v
, yoff_v
);
1795 int xoff
= Int_val (xoff_v
);
1796 int yoff
= Int_val (yoff_v
);
1797 char *s
= String_val (ptr_v
);
1798 struct page
*page
= parse_pointer ("ml_postprocess", s
);
1800 if (Bool_val (hlinks_v
)) highlightlinks (page
, xoff
, yoff
);
1802 if (trylock ("ml_postprocess")) {
1805 showsel (page
, xoff
, yoff
);
1806 unlock ("ml_postprocess");
1809 CAMLreturn (Val_unit
);
1812 static fz_link
*getlink (struct page
*page
, int x
, int y
)
1818 if (page
->type
!= DPDF
) {
1824 ctm
= fz_concat (trimctm (page
->u
.pdfpage
, page
->pdimno
),
1825 state
.pagedims
[page
->pdimno
].ctm
);
1826 ctm
= fz_invert_matrix (ctm
);
1827 p
= fz_transform_point (ctm
, p
);
1829 for (link
= page
->u
.pdfpage
->links
; link
; link
= link
->next
) {
1830 if (p
.x
>= link
->rect
.x0
&& p
.x
<= link
->rect
.x1
) {
1831 if (p
.y
>= link
->rect
.y0
&& p
.y
<= link
->rect
.y1
) {
1839 static void droptext (struct page
*page
)
1842 fz_free_text_span (state
.ctx
, page
->text
);
1845 page
->fmark
.span
= NULL
;
1846 page
->lmark
.span
= NULL
;
1851 static void ensuretext (struct page
*page
)
1853 if (state
.gen
!= page
->gen
) {
1855 page
->gen
= state
.gen
;
1860 page
->text
= fz_new_text_span (state
.ctx
);
1861 tdev
= fz_new_text_device (state
.ctx
, page
->text
);
1862 fz_execute_display_list (page
->dlist
,
1865 fz_infinite_bbox
, NULL
);
1866 fz_free_device (tdev
);
1870 CAMLprim value
ml_whatsunder (value ptr_v
, value x_v
, value y_v
)
1872 CAMLparam3 (ptr_v
, x_v
, y_v
);
1873 CAMLlocal3 (ret_v
, tup_v
, str_v
);
1876 char *s
= String_val (ptr_v
);
1877 int x
= Int_val (x_v
), y
= Int_val (y_v
);
1878 struct pagedim
*pdim
;
1880 ret_v
= Val_int (0);
1881 if (trylock ("ml_whatsunder")) {
1885 page
= parse_pointer ("ml_whatsunder", s
);
1886 pdim
= &state
.pagedims
[page
->pdimno
];
1887 x
+= pdim
->bounds
.x0
;
1888 y
+= pdim
->bounds
.y0
;
1889 link
= getlink (page
, x
, y
);
1891 switch (link
->dest
.kind
) {
1897 pageno
= link
->dest
.ld
.gotor
.page
;
1901 if (link
->dest
.ld
.gotor
.flags
& fz_link_flag_t_valid
) {
1902 p
.y
= link
->dest
.ld
.gotor
.lt
.y
;
1903 p
= fz_transform_point (pdim
->lctm
, p
);
1905 tup_v
= caml_alloc_tuple (2);
1906 ret_v
= caml_alloc_small (1, 1);
1907 Field (tup_v
, 0) = Val_int (pageno
);
1908 Field (tup_v
, 1) = Val_int (p
.y
);
1909 Field (ret_v
, 0) = tup_v
;
1914 str_v
= caml_copy_string (link
->dest
.ld
.uri
.uri
);
1915 ret_v
= caml_alloc_small (1, 0);
1916 Field (ret_v
, 0) = str_v
;
1920 printd (state
.sock
, "msg unhandled link kind %d", link
->dest
.kind
);
1929 for (span
= page
->text
; span
; span
= span
->next
) {
1930 for (i
= 0; i
< span
->len
; ++i
) {
1932 b
= &span
->text
[i
].bbox
;
1933 if ((x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
)) {
1935 span
->font
&& span
->font
->name
1937 : "Span has no font name"
1939 FT_FaceRec
*face
= span
->font
->ft_face
;
1940 if (face
&& face
->family_name
) {
1942 char *n1
= face
->family_name
;
1943 size_t l1
= strlen (n1
);
1944 size_t l2
= strlen (n2
);
1946 if (l1
!= l2
|| memcmp (n1
, n2
, l1
)) {
1947 s
= malloc (l1
+ l2
+ 2);
1951 memcpy (s
+ l2
+ 1, n1
, l1
+ 1);
1952 str_v
= caml_copy_string (s
);
1958 str_v
= caml_copy_string (n2
);
1960 ret_v
= caml_alloc_small (1, 2);
1961 Field (ret_v
, 0) = str_v
;
1968 unlock ("ml_whatsunder");
1974 CAMLprim value
ml_seltext (value ptr_v
, value rect_v
)
1976 CAMLparam2 (ptr_v
, rect_v
);
1980 struct mark first
, last
;
1981 int i
, x0
, x1
, y0
, y1
;
1982 struct pagedim
*pdim
;
1983 char *s
= String_val (ptr_v
);
1985 if (trylock ("ml_seltext")) {
1989 page
= parse_pointer ("ml_seltext", s
);
1992 pdim
= &state
.pagedims
[page
->pdimno
];
1994 x0
= Int_val (Field (rect_v
, 0)) + pdim
->bounds
.x0
;
1995 y0
= Int_val (Field (rect_v
, 1)) + pdim
->bounds
.y0
;
1996 x1
= Int_val (Field (rect_v
, 2)) + pdim
->bounds
.x0
;
1997 y1
= Int_val (Field (rect_v
, 3)) + pdim
->bounds
.y0
;
2000 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
2001 glColor3ub (128, 128, 128);
2002 glRecti (x0
, y0
, x1
, y1
);
2003 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
2009 last
.i
= first
.i
= 0;
2010 first
.span
= page
->text
;
2011 for (span
= page
->text
; span
; span
= span
->next
) {
2012 for (i
= 0; i
< span
->len
; ++i
) {
2013 b
= &span
->text
[i
].bbox
;
2016 if (x0
>= b
->x0
&& x0
<= b
->x1
&& y0
>= b
->y0
&& y0
<= b
->y1
) {
2021 if (x1
>= b
->x0
&& x1
<= b
->x1
&& y1
>= b
->y0
&& y1
<= b
->y1
) {
2026 if (0 && selected
) {
2027 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
2028 glColor3ub (128, 128, 128);
2029 glRecti (b
->x0
, b
->y0
, b
->x1
, b
->y1
);
2030 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
2035 if (y1
< y0
|| x1
< x0
) {
2038 if (first
.span
== last
.span
) {
2043 for (span
= first
.span
; span
&& span
!= last
.span
;
2044 span
= span
->next
) {
2057 first
.span
= last
.span
;
2063 page
->fmark
= first
;
2066 unlock ("ml_seltext");
2069 CAMLreturn (Val_unit
);
2072 static int pipespan (FILE *f
, fz_text_span
*span
, int a
, int b
)
2077 for (i
= a
; i
<= b
; ++i
) {
2078 len
= runetochar (buf
, &span
->text
[i
].c
);
2079 ret
= fwrite (buf
, len
, 1, f
);
2082 printd (state
.sock
, "msg failed to write %d bytes ret=%d: %s",
2083 len
, ret
, strerror (errno
));
2090 CAMLprim value
ml_copysel (value ptr_v
)
2095 char *s
= String_val (ptr_v
);
2097 if (trylock ("ml_copysel")) {
2104 if (state
.xselpipe
) {
2105 int ret
= pclose (state
.xselpipe
);
2107 printd (state
.sock
, "msg failed to close xsel pipe `%s'",
2110 state
.xselpipe
= NULL
;
2113 printf ("========================================\n");
2119 page
= parse_pointer ("ml_sopysel", s
);
2121 if (!page
->fmark
.span
|| !page
->lmark
.span
) {
2122 printd (state
.sock
, "msg nothing to copy");
2128 if (!state
.xselpipe
) {
2129 state
.xselpipe
= popen ("xsel -i", "w");
2130 if (!state
.xselpipe
) {
2131 printd (state
.sock
, "msg failed to open xsel pipe `%s'",
2143 for (span
= page
->fmark
.span
;
2144 span
&& span
!= page
->lmark
.span
->next
;
2145 span
= span
->next
) {
2146 int a
= span
== page
->fmark
.span
? page
->fmark
.i
: 0;
2147 int b
= span
== page
->lmark
.span
? page
->lmark
.i
: span
->len
- 1;
2148 if (pipespan (f
, span
, a
, b
)) {
2152 if (putc ('\n', f
) == EOF
) {
2154 "msg failed break line on xsel pipe `%s'",
2160 page
->lmark
.span
= NULL
;
2161 page
->fmark
.span
= NULL
;
2165 unlock ("ml_copysel");
2168 CAMLreturn (Val_unit
);
2171 CAMLprim value
ml_getpdimrect (value pagedimno_v
)
2173 CAMLparam1 (pagedimno_v
);
2175 int pagedimno
= Int_val (pagedimno_v
);
2178 ret_v
= caml_alloc_small (4 * Double_wosize
, Double_array_tag
);
2179 if (trylock ("ml_getpdimrect")) {
2180 box
= fz_empty_rect
;
2183 box
= state
.pagedims
[pagedimno
].mediabox
;
2184 unlock ("ml_getpdimrect");
2187 Store_double_field (ret_v
, 0, box
.x0
);
2188 Store_double_field (ret_v
, 1, box
.x1
);
2189 Store_double_field (ret_v
, 2, box
.y0
);
2190 Store_double_field (ret_v
, 3, box
.y1
);
2195 static double getmaxw (void)
2201 for (i
= 0, p
= state
.pagedims
; i
< state
.pagedimcount
; ++i
, ++p
) {
2204 x0
= MIN (p
->mediabox
.x0
, p
->mediabox
.x1
);
2205 x1
= MAX (p
->mediabox
.x0
, p
->mediabox
.x1
);
2208 maxw
= MAX (w
, maxw
);
2213 CAMLprim value
ml_getmaxw (value unit_v
)
2215 CAMLparam1 (unit_v
);
2219 if (trylock ("ml_getmaxw")) {
2223 unlock ("ml_getmaxw");
2225 ret_v
= caml_copy_double (maxw
);
2229 CAMLprim value
ml_zoom_for_height (value winw_v
, value winh_v
, value dw_v
)
2231 CAMLparam3 (winw_v
, winh_v
, dw_v
);
2235 double maxw
= 0.0, maxh
= 0.0;
2237 double winw
= Int_val (winw_v
);
2238 double winh
= Int_val (winh_v
);
2239 double dw
= Int_val (dw_v
);
2240 double pw
= 1.0, ph
= 1.0, num
, den
;
2242 if (trylock ("ml_zoom_for_height")) {
2246 if (state
.proportional
) {
2250 for (i
= 0, p
= state
.pagedims
; i
< state
.pagedimcount
; ++i
, ++p
) {
2251 double x0
, x1
, y0
, y1
, w
, h
, scaledh
, scale
;
2253 x0
= MIN (p
->mediabox
.x0
, p
->mediabox
.x1
);
2254 x1
= MAX (p
->mediabox
.x0
, p
->mediabox
.x1
);
2255 y0
= MIN (p
->mediabox
.y0
, p
->mediabox
.y1
);
2256 y1
= MAX (p
->mediabox
.y0
, p
->mediabox
.y1
);
2261 if (state
.proportional
) {
2263 scaledh
= h
* scale
;
2270 if (scaledh
> maxh
) {
2277 num
= (winh
* pw
) + (ph
* dw
);
2281 unlock ("ml_zoom_for_height");
2283 ret_v
= caml_copy_double (zoom
);
2289 CAMLprim value
ml_draw_string (value pt_v
, value x_v
, value y_v
, value string_v
)
2291 CAMLparam4 (pt_v
, x_v
, y_v
, string_v
);
2293 int pt
= Int_val(pt_v
);
2294 int x
= Int_val (x_v
);
2295 int y
= Int_val (y_v
);
2298 w
= draw_string (state
.face
, pt
, x
, y
, String_val (string_v
));
2299 ret_v
= caml_copy_double (w
);
2303 CAMLprim value
ml_measure_string (value pt_v
, value string_v
)
2305 CAMLparam2 (pt_v
, string_v
);
2307 int pt
= Int_val (pt_v
);
2310 w
= measure_string (state
.face
, pt
, String_val (string_v
));
2311 ret_v
= caml_copy_double (w
);
2315 CAMLprim value
ml_getpagebox (value opaque_v
)
2317 CAMLparam1 (opaque_v
);
2321 char *s
= String_val (opaque_v
);
2322 struct page
*page
= parse_pointer ("ml_getpagebox", s
);
2324 ret_v
= caml_alloc_tuple (4);
2325 if (page
->type
== DPDF
) {
2326 dev
= fz_new_bbox_device (state
.ctx
, &bbox
);
2327 dev
->hints
|= FZ_IGNORE_SHADE
;
2328 pdf_run_page (state
.u
.pdf
, page
->u
.pdfpage
, dev
, pagectm (page
), NULL
);
2329 fz_free_device (dev
);
2332 dev
= fz_new_bbox_device (state
.ctx
, &bbox
);
2333 dev
->hints
|= FZ_IGNORE_SHADE
;
2334 xps_run_page (state
.u
.xps
, page
->u
.xpspage
, dev
, pagectm (page
), NULL
);
2335 fz_free_device (dev
);
2337 Field (ret_v
, 0) = Val_int (bbox
.x0
);
2338 Field (ret_v
, 1) = Val_int (bbox
.y0
);
2339 Field (ret_v
, 2) = Val_int (bbox
.x1
);
2340 Field (ret_v
, 3) = Val_int (bbox
.y1
);
2345 CAMLprim value
ml_setaalevel (value level_v
)
2347 CAMLparam1 (level_v
);
2349 state
.aalevel
= Int_val (level_v
);
2350 CAMLreturn (Val_unit
);
2353 #if !defined _WIN32 && !defined __APPLE__
2356 #include <X11/Xlib.h>
2357 #include <X11/Xutil.h>
2360 static void set_wm_class (int hack
)
2368 display
= getenv ("DISPLAY");
2369 dpy
= XOpenDisplay (display
);
2371 fprintf (stderr
, "XOpenDisplay `%s' failed\n",
2372 display
? display
: "null");
2375 hint
.res_name
= "llpp";
2376 hint
.res_class
= "llpp";
2377 win
= glXGetCurrentDrawable ();
2379 fprintf (stderr
, "glXGetCurrentDrawable returned None\n");
2380 XCloseDisplay (dpy
);
2383 XSetClassHint (dpy
, win
, &hint
);
2384 XCloseDisplay (dpy
);
2388 #define set_wm_class(h) (void) (h)
2391 enum { piunknown
, pilinux
, piwindows
, piosx
,
2392 pisun
, pifreebsd
, pidragonflybsd
,
2393 piopenbsd
, pimingw
, picygwin
};
2395 CAMLprim value
ml_platform (value unit_v
)
2397 CAMLparam1 (unit_v
);
2398 int platid
= piunknown
;
2400 #if defined __linux__
2402 #elif defined __CYGWIN__
2404 #elif defined __MINGW32__
2406 #elif defined _WIN32
2408 #elif defined __DragonFly__
2409 platid
= pidragonflybsd
;
2410 #elif defined __FreeBSD__
2412 #elif defined __OpenBSD__
2414 #elif defined __sun__
2416 #elif defined __APPLE__
2419 CAMLreturn (Val_int (platid
));
2422 CAMLprim value
ml_init (value sock_v
, value params_v
)
2424 CAMLparam2 (sock_v
, params_v
);
2425 CAMLlocal2 (trim_v
, fuzz_v
);
2435 state
.rotate
= Int_val (Field (params_v
, 0));
2436 state
.proportional
= Bool_val (Field (params_v
, 1));
2437 trim_v
= Field (params_v
, 2);
2438 texcount
= Int_val (Field (params_v
, 3));
2439 state
.sliceheight
= Int_val (Field (params_v
, 4));
2440 mumemlimit
= Int_val (Field (params_v
, 5));
2441 state
.ctx
= fz_new_context (&fz_alloc_default
, mumemlimit
);
2442 colorspace
= Int_val (Field (params_v
, 6));
2443 wmclasshack
= Bool_val (Field (params_v
, 7));
2444 fontpath
= String_val (Field (params_v
, 8));
2446 state
.trimmargins
= Bool_val (Field (trim_v
, 0));
2447 fuzz_v
= Field (trim_v
, 1);
2448 state
.trimfuzz
.x0
= Int_val (Field (fuzz_v
, 0));
2449 state
.trimfuzz
.y0
= Int_val (Field (fuzz_v
, 1));
2450 state
.trimfuzz
.x1
= Int_val (Field (fuzz_v
, 2));
2451 state
.trimfuzz
.y1
= Int_val (Field (fuzz_v
, 3));
2453 set_tex_params (colorspace
);
2454 set_wm_class (wmclasshack
);
2457 state
.face
= load_font (fontpath
);
2461 void *base
= pdf_find_substitute_font (0, 0, 0, 0, &len
);
2463 state
.face
= load_builtin_font (base
, len
);
2465 if (!state
.face
) _exit (1);
2468 realloctexts (texcount
);
2471 state
.sock
= Socket_val (sock_v
);
2472 InitializeCriticalSection (&critsec
);
2473 state
.thread
= CreateThread (NULL
, 0, mainloop
, NULL
, 0, NULL
);
2474 if (state
.thread
== INVALID_HANDLE_VALUE
) {
2475 errx (1, "CreateThread failed: %lx", GetLastError ());
2478 state
.sock
= Int_val (sock_v
);
2479 ret
= pthread_create (&state
.thread
, NULL
, mainloop
, NULL
);
2481 errx (1, "pthread_create: %s", strerror (ret
));
2485 CAMLreturn (Val_unit
);