1 /* lots of code c&p-ed directly from mupdf */
13 #include <sys/types.h>
14 #include <sys/ioctl.h>
17 #include <cygwin/socket.h> /* FIONREAD */
29 #include <caml/fail.h>
30 #include <caml/alloc.h>
31 #include <caml/memory.h>
32 #include <caml/unixsupport.h>
36 #include <mupdf-internal.h>
38 #include <muxps-internal.h>
41 #include FT_FREETYPE_H
46 extern char **environ
;
49 #define MIN(a,b) ((a) < (b) ? (a) : (b))
50 #define MAX(a,b) ((a) > (b) ? (a) : (b))
53 #define NORETURN_ATTR __attribute__ ((noreturn))
54 #define UNUSED_ATTR __attribute__ ((unused))
55 #define OPTIMIZE_ATTR(n) __attribute__ ((optimize ("O"#n)))
56 #define GCC_FMT_ATTR(a, b) __attribute__ ((format (printf, a, b)))
60 #define OPTIMIZE_ATTR(n)
61 #define GCC_FMT_ATTR(a, b)
67 #define FMT_ptr_cast(p) (p)
68 #define FMT_ptr_cast2(p) (p)
70 static void NORETURN_ATTR
GCC_FMT_ATTR (2, 3)
71 err (int exitcode
, const char *fmt
, ...)
78 vfprintf (stderr
, fmt
, ap
);
80 fprintf (stderr
, ": %s\n", strerror (savederrno
));
85 static void NORETURN_ATTR
GCC_FMT_ATTR (2, 3)
86 errx (int exitcode
, const char *fmt
, ...)
91 vfprintf (stderr
, fmt
, ap
);
98 #ifndef GL_TEXTURE_RECTANGLE_ARB
99 #define GL_TEXTURE_RECTANGLE_ARB 0x84F5
103 #define GL_BGRA 0x80E1
106 #ifndef GL_UNSIGNED_INT_8_8_8_8
107 #define GL_UNSIGNED_INT_8_8_8_8 0x8035
110 #ifndef GL_UNSIGNED_INT_8_8_8_8_REV
111 #define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
115 #define lprintf printf
120 #define ARSERT(cond) for (;;) { \
122 errx (1, "%s:%d " #cond, __FILE__, __LINE__); \
137 struct slice slices
[1];
148 fz_matrix ctm
, zoomctm
, lctm
, tctm
;
156 enum { DPDF
, DXPS
, DCBZ
};
165 fz_text_sheet
*sheet
;
172 fz_display_list
*dlist
;
174 struct slink
*slinks
;
179 void (*freepage
) (void *);
185 struct pagedim
*pagedims
;
204 fz_colorspace
*colorspace
;
226 void (*closedoc
) (void);
227 void (*freepage
) (void *);
232 static void UNUSED_ATTR
debug_rect (const char *cap
, fz_rect r
)
234 printf ("%s(rect) %.2f,%.2f,%.2f,%.2f\n", cap
, r
.x0
, r
.y0
, r
.x1
, r
.y1
);
237 static void UNUSED_ATTR
debug_bbox (const char *cap
, fz_bbox r
)
239 printf ("%s(bbox) %d,%d,%d,%d\n", cap
, r
.x0
, r
.y0
, r
.x1
, r
.y1
);
242 static void UNUSED_ATTR
debug_matrix (const char *cap
, fz_matrix m
)
244 printf ("%s(matrix) %.2f,%.2f,%.2f,%.2f %.2f %.2f\n", cap
,
245 m
.a
, m
.b
, m
.c
, m
.d
, m
.e
, m
.f
);
248 static pthread_mutex_t mutex
= PTHREAD_MUTEX_INITIALIZER
;
250 static void lock (const char *cap
)
252 int ret
= pthread_mutex_lock (&mutex
);
254 errx (1, "%s: pthread_mutex_lock: %s", cap
, strerror (ret
));
258 static void unlock (const char *cap
)
260 int ret
= pthread_mutex_unlock (&mutex
);
262 errx (1, "%s: pthread_mutex_unlock: %s", cap
, strerror (ret
));
266 static int trylock (const char *cap
)
268 int ret
= pthread_mutex_trylock (&mutex
);
269 if (ret
&& ret
!= EBUSY
) {
270 errx (1, "%s: pthread_mutex_trylock: %s", cap
, strerror (ret
));
275 static void *parse_pointer (const char *cap
, const char *s
)
280 ret
= sscanf (s
, "%" FMT_ptr
, FMT_ptr_cast (&ptr
));
282 errx (1, "%s: cannot parse pointer in `%s'", cap
, s
);
287 static double now (void)
291 if (gettimeofday (&tv
, NULL
)) {
292 err (1, "gettimeofday");
294 return tv
.tv_sec
+ tv
.tv_usec
*1e-6;
297 static int hasdata (void)
300 ret
= ioctl (state
.cr
, FIONREAD
, &avail
);
301 if (ret
) err (1, "hasdata: FIONREAD error ret=%d", ret
);
305 CAMLprim value
ml_hasdata (value fd_v
)
310 ret
= ioctl (Int_val (fd_v
), FIONREAD
, &avail
);
311 if (ret
) uerror ("ioctl (FIONREAD)", Nothing
);
312 CAMLreturn (Val_bool (avail
> 0));
315 static void readdata (void *p
, int size
)
320 n
= read (state
.cr
, p
, size
);
322 if (errno
== EINTR
) goto again
;
323 err (1, "read (req %d, ret %zd)", size
, n
);
326 if (!n
) errx (1, "EOF while reading");
327 errx (1, "read (req %d, ret %zd)", size
, n
);
331 static void writedata (char *p
, int size
)
336 buf
[0] = (size
>> 24) & 0xff;
337 buf
[1] = (size
>> 16) & 0xff;
338 buf
[2] = (size
>> 8) & 0xff;
339 buf
[3] = (size
>> 0) & 0xff;
341 n
= write (state
.cw
, buf
, 4);
343 if (!n
) errx (1, "EOF while writing length");
344 err (1, "write %zd", n
);
347 n
= write (state
.cw
, p
, size
);
349 if (!n
) errx (1, "EOF while writing data");
350 err (1, "write (req %d, ret %zd)", size
, n
);
354 static int readlen (void)
359 return (p
[0] << 24) | (p
[1] << 16) | (p
[2] << 8) | p
[3];
362 static void GCC_FMT_ATTR (1, 2) printd (const char *fmt
, ...)
370 if (!buf
) err (1, "malloc for temp buf (%d bytes) failed", size
);
373 len
= vsnprintf (buf
, size
, fmt
, ap
);
376 if (len
> -1 && len
< size
) {
377 writedata (buf
, len
);
387 buf
= realloc (buf
, size
);
392 static void closepdf (void)
395 pdf_close_document (state
.u
.pdf
);
400 static void closexps (void)
403 xps_close_document (state
.u
.xps
);
408 static void closecbz (void)
411 cbz_close_document (state
.u
.cbz
);
416 static void freepdfpage (void *ptr
)
418 pdf_free_page (state
.u
.pdf
, ptr
);
421 static void freeemptypdfpage (void *ptr
)
426 static void freexpspage (void *ptr
)
428 xps_free_page (state
.u
.xps
, ptr
);
431 static void freecbzpage (void *ptr
)
433 cbz_free_page (state
.u
.cbz
, ptr
);
436 static void openxref (char *filename
, char *password
)
440 for (i
= 0; i
< state
.texcount
; ++i
) {
441 state
.texowners
[i
].w
= -1;
442 state
.texowners
[i
].slice
= NULL
;
445 if (state
.closedoc
) state
.closedoc ();
447 len
= strlen (filename
);
453 ext
[0] = tolower ((int) filename
[len
-3]);
454 ext
[1] = tolower ((int) filename
[len
-2]);
455 ext
[2] = tolower ((int) filename
[len
-1]);
457 /**/ if (ext
[0] == 'x' && ext
[1] == 'p' && ext
[2] == 's') {
460 else if (ext
[0] == 'c' && ext
[1] == 'b' && ext
[2] == 'z') {
465 if (state
.pagedims
) {
466 free (state
.pagedims
);
467 state
.pagedims
= NULL
;
469 state
.pagedimcount
= 0;
471 fz_set_aa_level (state
.ctx
, state
.aalevel
);
472 switch (state
.type
) {
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
);
482 state
.closedoc
= closepdf
;
483 state
.freepage
= freepdfpage
;
487 state
.u
.xps
= xps_open_document (state
.ctx
, filename
);
488 state
.pagecount
= xps_count_pages (state
.u
.xps
);
489 state
.closedoc
= closexps
;
490 state
.freepage
= freexpspage
;
494 state
.u
.cbz
= cbz_open_document (state
.ctx
, filename
);
495 state
.pagecount
= cbz_count_pages (state
.u
.cbz
);
496 state
.closedoc
= closecbz
;
497 state
.freepage
= freecbzpage
;
502 static void pdfinfo (void)
504 if (state
.type
== DPDF
) {
507 printd ("info PDF version\t%d.%d",
508 state
.u
.pdf
->version
/ 10, state
.u
.pdf
->version
% 10);
510 infoobj
= pdf_dict_gets (state
.u
.pdf
->trailer
, "Info");
514 char *items
[] = { "Title", "Author", "Creator",
515 "Producer", "CreationDate" };
517 for (i
= 0; i
< sizeof (items
) / sizeof (*items
); ++i
) {
518 pdf_obj
*obj
= pdf_dict_gets (infoobj
, items
[i
]);
519 s
= pdf_to_utf8 (state
.u
.pdf
, obj
);
522 printd ("title %s", s
);
524 printd ("info %s\t%s", items
[i
], s
);
526 fz_free (state
.ctx
, s
);
533 static void unlinktile (struct tile
*tile
)
537 for (i
= 0; i
< tile
->slicecount
; ++i
) {
538 struct slice
*s
= &tile
->slices
[i
];
540 if (s
->texindex
!= -1) {
541 if (state
.texowners
[s
->texindex
].slice
== s
) {
542 state
.texowners
[s
->texindex
].slice
= NULL
;
548 static void freepage (struct page
*page
)
551 fz_free_text_page (state
.ctx
, page
->text
);
554 fz_free_text_sheet (state
.ctx
, page
->sheet
);
559 page
->freepage (page
->u
.ptr
);
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
;
583 static void __attribute__ ((constructor
)) clcheck (void)
585 char **envp
= environ
;
590 for (auxv
= (unsigned long *) envp
; *auxv
!= 0; auxv
+= 2) {
592 cacheline32bytes
= auxv
[1] == 32;
598 static void OPTIMIZE_ATTR (3) clearpixmap (fz_pixmap
*pixmap
)
600 size_t size
= pixmap
->w
* pixmap
->h
* pixmap
->n
;
601 if (cacheline32bytes
&& size
> 32) {
602 intptr_t a1
, a2
, diff
;
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_value (state
.ctx
, pixmap
, 0xff);
624 #define clearpixmap(p) fz_clear_pixmap_with_value (state.ctx, 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 switch (state
.type
) {
682 page
->u
.pdfpage
= pdf_load_page (state
.u
.pdf
, pageno
);
683 pdf_run_page (state
.u
.pdf
, page
->u
.pdfpage
, dev
, fz_identity
, NULL
);
684 page
->freepage
= freepdfpage
;
686 fz_catch (state
.ctx
) {
688 page
->freepage
= freeemptypdfpage
;
693 page
->u
.xpspage
= xps_load_page (state
.u
.xps
, pageno
);
694 xps_run_page (state
.u
.xps
, page
->u
.xpspage
, dev
, fz_identity
, NULL
);
695 page
->freepage
= freexpspage
;
699 page
->u
.cbzpage
= cbz_load_page (state
.u
.cbz
, pageno
);
700 cbz_run_page (state
.u
.cbz
, page
->u
.cbzpage
, dev
, fz_identity
, NULL
);
701 page
->freepage
= freecbzpage
;
704 fz_free_device (dev
);
706 page
->pdimno
= pindex
;
707 page
->pageno
= pageno
;
708 page
->sgen
= state
.gen
;
709 page
->tgen
= state
.gen
;
710 page
->type
= state
.type
;
715 static struct tile
*alloctile (int h
)
722 slicecount
= (h
+ state
.sliceheight
- 1) / state
.sliceheight
;
723 tilesize
= sizeof (*tile
) + ((slicecount
- 1) * sizeof (struct slice
));
724 tile
= calloc (tilesize
, 1);
726 err (1, "can not allocate tile (%" FMT_s
" bytes)", tilesize
);
728 for (i
= 0; i
< slicecount
; ++i
) {
729 int sh
= MIN (h
, state
.sliceheight
);
730 tile
->slices
[i
].h
= sh
;
731 tile
->slices
[i
].texindex
= -1;
734 tile
->slicecount
= slicecount
;
735 tile
->sliceheight
= state
.sliceheight
;
745 static void obs_fill_image (fz_device
*dev
, fz_image
*image
, fz_matrix ctm
,
748 struct obs
*obs
= dev
->user
;
750 if (!obs
->cured
&& fabs (1.0 - alpha
) < 1e6
) {
751 fz_bbox b
= fz_round_rect (fz_transform_rect (ctm
, fz_unit_rect
));
752 b
= fz_intersect_bbox (b
, obs
->b
);
753 obs
->cured
= b
.x0
== obs
->b
.x0
756 && b
.y1
== obs
->b
.y1
;
760 static int obscured (struct page
*page
, fz_bbox bbox
)
765 memset (&dev
, 0, sizeof (dev
));
766 memset (&obs
, 0, sizeof (obs
));
771 dev
.fill_image
= obs_fill_image
;
773 fz_run_display_list (page
->dlist
, &dev
, pagectm (page
), bbox
, NULL
);
776 #define OBSCURED obscured
778 #define OBSCURED(a, b) 0
781 static struct tile
*rendertile (struct page
*page
, int x
, int y
, int w
, int h
)
786 struct pagedim
*pdim
;
788 tile
= alloctile (h
);
789 pdim
= &state
.pagedims
[page
->pdimno
];
794 bbox
.x1
= bbox
.x0
+ w
;
795 bbox
.y1
= bbox
.y0
+ h
;
798 if (state
.pig
->w
== w
800 && state
.pig
->colorspace
== state
.colorspace
) {
801 tile
->pixmap
= state
.pig
;
802 tile
->pixmap
->x
= bbox
.x0
;
803 tile
->pixmap
->y
= bbox
.y0
;
806 fz_drop_pixmap (state
.ctx
, state
.pig
);
812 fz_new_pixmap_with_bbox (state
.ctx
, state
.colorspace
, bbox
);
817 if (!page
->u
.ptr
|| ((w
< 128 && h
< 128) || !OBSCURED (page
, bbox
))) {
818 clearpixmap (tile
->pixmap
);
820 dev
= fz_new_draw_device (state
.ctx
, tile
->pixmap
);
821 fz_run_display_list (page
->dlist
, dev
, pagectm (page
), bbox
, NULL
);
822 fz_free_device (dev
);
827 static void initpdims (void)
830 int pageno
, trim
, show
;
836 if (state
.trimmargins
&& state
.trimcachepath
) {
837 trimf
= fopen (state
.trimcachepath
, "rb");
839 trimf
= fopen (state
.trimcachepath
, "wb");
843 for (pageno
= 0; pageno
< state
.pagecount
; ++pageno
) {
848 switch (state
.type
) {
850 pdf_obj
*pageobj
= state
.u
.pdf
->page_objs
[pageno
];
852 if (state
.trimmargins
) {
857 page
= pdf_load_page (state
.u
.pdf
, pageno
);
858 obj
= pdf_dict_gets (pageobj
, "llpp.TrimBox");
859 trim
= state
.trimanew
|| !obj
;
866 dev
= fz_new_bbox_device (state
.ctx
, &bbox
);
867 dev
->hints
|= FZ_IGNORE_SHADE
;
868 ctm
= fz_invert_matrix (page
->ctm
);
869 pdf_run_page (state
.u
.pdf
, page
, dev
, fz_identity
, NULL
);
870 fz_free_device (dev
);
872 rect
.x0
= bbox
.x0
+ state
.trimfuzz
.x0
;
873 rect
.x1
= bbox
.x1
+ state
.trimfuzz
.x1
;
874 rect
.y0
= bbox
.y0
+ state
.trimfuzz
.y0
;
875 rect
.y1
= bbox
.y1
+ state
.trimfuzz
.y1
;
876 rect
= fz_transform_rect (ctm
, rect
);
877 rect
= fz_intersect_rect (rect
, page
->mediabox
);
879 if (fz_is_empty_rect (rect
)) {
880 mediabox
= page
->mediabox
;
886 obj
= pdf_new_array (state
.ctx
, 4);
887 pdf_array_push (obj
, pdf_new_real (state
.ctx
, mediabox
.x0
));
888 pdf_array_push (obj
, pdf_new_real (state
.ctx
, mediabox
.y0
));
889 pdf_array_push (obj
, pdf_new_real (state
.ctx
, mediabox
.x1
));
890 pdf_array_push (obj
, pdf_new_real (state
.ctx
, mediabox
.y1
));
891 pdf_dict_puts (pageobj
, "llpp.TrimBox", obj
);
894 mediabox
.x0
= pdf_to_real (pdf_array_get (obj
, 0));
895 mediabox
.y0
= pdf_to_real (pdf_array_get (obj
, 1));
896 mediabox
.x1
= pdf_to_real (pdf_array_get (obj
, 2));
897 mediabox
.y1
= pdf_to_real (pdf_array_get (obj
, 3));
900 rotate
= page
->rotate
;
901 pdf_free_page (state
.u
.pdf
, page
);
903 show
= trim
? pageno
% 5 == 0 : pageno
% 20 == 0;
905 printd ("progress %f Trimming %d",
906 (double) (pageno
+ 1) / state
.pagecount
,
910 fz_catch (state
.ctx
) {
916 mediabox
= pdf_to_rect (state
.ctx
,
917 pdf_dict_gets (pageobj
, "MediaBox"));
918 if (fz_is_empty_rect (mediabox
)) {
919 fprintf (stderr
, "cannot find page size for page %d\n",
927 cropbox
= pdf_to_rect (state
.ctx
,
928 pdf_dict_gets (pageobj
, "CropBox"));
929 if (!fz_is_empty_rect (cropbox
)) {
930 mediabox
= fz_intersect_rect (mediabox
, cropbox
);
932 rotate
= pdf_to_int (pdf_dict_gets (pageobj
, "Rotate"));
941 page
= xps_load_page (state
.u
.xps
, pageno
);
942 mediabox
= xps_bound_page (state
.u
.xps
, page
);
944 if (state
.trimmargins
) {
949 dev
= fz_new_bbox_device (state
.ctx
, &bbox
);
950 dev
->hints
|= FZ_IGNORE_SHADE
;
951 xps_run_page (state
.u
.xps
, page
, dev
, fz_identity
, NULL
);
952 fz_free_device (dev
);
954 rect
.x0
= bbox
.x0
+ state
.trimfuzz
.x0
;
955 rect
.x1
= bbox
.x1
+ state
.trimfuzz
.x1
;
956 rect
.y0
= bbox
.y0
+ state
.trimfuzz
.y0
;
957 rect
.y1
= bbox
.y1
+ state
.trimfuzz
.y1
;
958 rect
= fz_intersect_rect (rect
, mediabox
);
960 if (!fz_is_empty_rect (rect
)) {
964 xps_free_page (state
.u
.xps
, page
);
965 printd ("progress %f loading %d",
966 (double) (pageno
+ 1) / state
.pagecount
,
974 if (state
.trimmargins
&& trimw
) {
977 page
= cbz_load_page (state
.u
.cbz
, pageno
);
978 mediabox
= cbz_bound_page (state
.u
.cbz
, page
);
979 cbz_free_page (state
.u
.cbz
, page
);
980 printd ("progress %f Trimming %d",
981 (double) (pageno
+ 1) / state
.pagecount
,
984 int n
= fwrite (&mediabox
, sizeof (mediabox
), 1, trimf
);
986 err (1, "fwrite trim mediabox");
992 int n
= fread (&mediabox
, sizeof (mediabox
), 1, trimf
);
994 err (1, "fread trim mediabox");
998 mediabox
.x0
= mediabox
.y0
= 0;
1007 ARSERT (0 && state
.type
);
1010 if (state
.pagedimcount
== 0
1011 || (p
= &state
.pagedims
[state
.pagedimcount
-1], p
->rotate
!= rotate
)
1012 || memcmp (&p
->mediabox
, &mediabox
, sizeof (mediabox
))) {
1015 size
= (state
.pagedimcount
+ 1) * sizeof (*state
.pagedims
);
1016 state
.pagedims
= realloc (state
.pagedims
, size
);
1017 if (!state
.pagedims
) {
1018 err (1, "realloc pagedims to %" FMT_s
" (%d elems)",
1019 size
, state
.pagedimcount
+ 1);
1022 p
= &state
.pagedims
[state
.pagedimcount
++];
1024 p
->mediabox
= mediabox
;
1029 if (state
.trimmargins
) {
1030 printd ("progress 1 Trimmed %d pages in %f seconds",
1031 state
.pagecount
, end
- start
);
1034 printd ("vmsg Processed %d pages in %f seconds",
1035 state
.pagecount
, end
- start
);
1039 if (fclose (trimf
)) {
1045 static void layout (void)
1050 double zoom
, w
, maxw
= 0;
1051 struct pagedim
*p
= state
.pagedims
;
1053 if (state
.proportional
) {
1054 for (pindex
= 0; pindex
< state
.pagedimcount
; ++pindex
, ++p
) {
1055 box
= fz_transform_rect (fz_rotate (p
->rotate
+ state
.rotate
),
1057 w
= box
.x1
- box
.x0
;
1058 maxw
= MAX (w
, maxw
);
1063 for (pindex
= 0; pindex
< state
.pagedimcount
; ++pindex
, ++p
) {
1066 ctm
= fz_rotate (state
.rotate
);
1067 box
= fz_transform_rect (fz_rotate (p
->rotate
+ state
.rotate
),
1069 w
= box
.x1
- box
.x0
;
1071 if (state
.proportional
) {
1072 double scale
= w
/ maxw
;
1073 zoom
= (state
.w
/ w
) * scale
;
1079 p
->zoomctm
= fz_scale (zoom
, zoom
);
1080 ctm
= fz_concat (p
->zoomctm
, ctm
);
1082 p
->pagebox
= fz_transform_rect (fz_rotate (p
->rotate
), p
->mediabox
);
1083 p
->pagebox
.x1
-= p
->pagebox
.x0
;
1084 p
->pagebox
.y1
-= p
->pagebox
.y0
;
1087 bbox
= fz_round_rect (fz_transform_rect (ctm
, p
->pagebox
));
1090 p
->left
= state
.proportional
? ((maxw
- w
) * zoom
) / 2.0 : 0;
1094 ctm
= fz_concat (ctm
, fz_translate (0, -p
->mediabox
.y1
));
1095 ctm
= fz_concat (ctm
, fz_scale (zoom
, -zoom
));
1096 ctm
= fz_concat (ctm
, fz_rotate (p
->rotate
+ state
.rotate
));
1102 while (p
-- != state
.pagedims
) {
1103 int x0
= MIN (p
->bounds
.x0
, p
->bounds
.x1
);
1104 int y0
= MIN (p
->bounds
.y0
, p
->bounds
.y1
);
1105 int x1
= MAX (p
->bounds
.x0
, p
->bounds
.x1
);
1106 int y1
= MAX (p
->bounds
.y0
, p
->bounds
.y1
);
1110 printd ("pdim %d %d %d %d", p
->pageno
, w
, h
, p
->left
);
1114 static void recurse_outline (fz_outline
*outline
, int level
)
1119 struct pagedim
*pdim
= state
.pagedims
;
1121 dest
= &outline
->dest
;
1122 for (i
= 0; i
< state
.pagedimcount
; ++i
) {
1123 if (state
.pagedims
[i
].pageno
> dest
->ld
.gotor
.page
)
1125 pdim
= &state
.pagedims
[i
];
1127 if (dest
->ld
.gotor
.flags
& fz_link_flag_t_valid
) {
1130 p
.y
= dest
->ld
.gotor
.lt
.y
;
1131 p
= fz_transform_point (pdim
->lctm
, p
);
1134 if (dest
->ld
.gotor
.page
>= 0 && dest
->ld
.gotor
.page
< 1<<30) {
1138 y0
= MIN (pdim
->bounds
.y0
, pdim
->bounds
.y1
);
1139 y1
= MAX (pdim
->bounds
.y0
, pdim
->bounds
.y1
);
1141 printd ("o %d %d %d %d %s",
1142 level
, dest
->ld
.gotor
.page
, top
, h
, outline
->title
);
1144 if (outline
->down
) {
1145 recurse_outline (outline
->down
, level
+ 1);
1147 outline
= outline
->next
;
1151 static void process_outline (void)
1153 fz_outline
*outline
;
1155 if (!state
.needoutline
) return;
1157 state
.needoutline
= 0;
1158 switch (state
.type
) {
1160 outline
= pdf_load_outline (state
.u
.pdf
);
1163 outline
= xps_load_outline (state
.u
.xps
);
1170 recurse_outline (outline
, 0);
1171 fz_free_outline (state
.ctx
, outline
);
1175 static char *strofspan (fz_text_span
*span
)
1180 size_t size
= 0, cap
= 80;
1182 p
= malloc (cap
+ 1);
1183 if (!p
) return NULL
;
1185 for (ch
= span
->text
; ch
< span
->text
+ span
->len
; ++ch
) {
1186 int n
= fz_runetochar (utf8
, ch
->c
);
1187 if (size
+ n
> cap
) {
1189 p
= realloc (p
, cap
+ 1);
1190 if (!p
) return NULL
;
1193 memcpy (p
+ size
, utf8
, n
);
1200 static int matchspan (regex_t
*re
, fz_text_span
*span
, fz_matrix ctm
,
1201 int stop
, int pageno
, double start
)
1208 fz_point p1
, p2
, p3
, p4
;
1210 p
= strofspan (span
);
1213 ret
= regexec (re
, p
, 1, &rm
, 0);
1216 if (ret
!= REG_NOMATCH
) {
1219 size
= regerror (ret
, re
, errbuf
, sizeof (errbuf
));
1220 printd ("msg regexec error `%.*s'",
1221 (int) size
, errbuf
);
1228 for (a
= 0, c
= 0; c
< rm
.rm_so
&& a
< l
; a
++) {
1229 c
+= fz_runelen (span
->text
[a
].c
);
1231 for (b
= a
; c
< rm
.rm_eo
- 1 && b
< l
; b
++) {
1232 c
+= fz_runelen (span
->text
[b
].c
);
1235 if (fz_runelen (span
->text
[b
].c
) > 1) {
1238 sb
= &span
->text
[MIN (a
, l
-1)].bbox
;
1239 eb
= &span
->text
[MIN (b
, l
-1)].bbox
;
1251 printd ("firstmatch %d %d %f %f %f %f %f %f %f %f",
1258 printd ("progress 1 found at %d `%.*s' in %f sec",
1259 pageno
+ 1, (int) (rm
.rm_eo
- rm
.rm_so
), &p
[rm
.rm_so
],
1263 printd ("match %d %d %f %f %f %f %f %f %f %f",
1275 static int compareblocks (const void *l
, const void *r
)
1277 fz_text_block
const *ls
= l
;
1278 fz_text_block
const* rs
= r
;
1279 return ls
->bbox
.y0
- rs
->bbox
.y0
;
1282 /* wishful thinking function */
1283 static void search (regex_t
*re
, int pageno
, int y
, int forward
)
1288 union { void *ptr
; pdf_page
*pdfpage
; xps_page
*xpspage
; } u
;
1290 fz_text_sheet
*sheet
;
1291 struct pagedim
*pdim
, *pdimprev
;
1292 int stop
= 0, niters
= 0;
1295 if (!(state
.type
== DPDF
|| state
.type
== DXPS
))
1299 while (pageno
>= 0 && pageno
< state
.pagecount
&& !stop
) {
1300 if (niters
++ == 5) {
1303 printd ("progress 1 attention requested aborting search at %d",
1308 printd ("progress %f searching in page %d",
1309 (double) (pageno
+ 1) / state
.pagecount
,
1314 for (i
= 0; i
< state
.pagedimcount
; ++i
) {
1315 pdim
= &state
.pagedims
[i
];
1316 if (pdim
->pageno
== pageno
) {
1319 if (pdim
->pageno
> pageno
) {
1328 sheet
= fz_new_text_sheet (state
.ctx
);
1329 text
= fz_new_text_page (state
.ctx
, fz_infinite_rect
);
1330 tdev
= fz_new_text_device (state
.ctx
, sheet
, text
);
1332 switch (state
.type
) {
1335 fz_try (state
.ctx
) {
1336 u
.pdfpage
= pdf_load_page (state
.u
.pdf
, pageno
);
1337 trimctm (u
.pdfpage
, pdim
- state
.pagedims
);
1338 ctm
= fz_concat (pdim
->tctm
, pdim
->zoomctm
);
1339 pdf_run_page (state
.u
.pdf
, u
.pdfpage
, tdev
, ctm
, NULL
);
1341 fz_catch (state
.ctx
) {
1342 fz_free_device (tdev
);
1349 u
.xpspage
= xps_load_page (state
.u
.xps
, pageno
);
1351 xps_run_page (state
.u
.xps
, u
.xpspage
, tdev
, ctm
, NULL
);
1355 ARSERT (0 && state
.type
);
1358 qsort (text
->blocks
, text
->len
, sizeof (*text
->blocks
), compareblocks
);
1359 fz_free_device (tdev
);
1361 for (j
= 0; j
< text
->len
; ++j
) {
1363 fz_text_block
*block
;
1365 block
= &text
->blocks
[forward
? j
: text
->len
- 1 - j
];
1367 for (k
= 0; k
< block
->len
; ++k
) {
1372 line
= &block
->lines
[k
];
1373 if (line
->bbox
.y0
< y
+ 1) continue;
1376 line
= &block
->lines
[block
->len
- 1 - k
];
1377 if (line
->bbox
.y0
> y
- 1) continue;
1380 for (span
= line
->spans
;
1381 span
< line
->spans
+ line
->len
;
1384 switch (matchspan (re
, span
, ctm
, stop
, pageno
, start
)) {
1386 case 1: stop
= 1; break;
1387 case -1: stop
= 1; goto endloop
;
1402 fz_free_text_page (state
.ctx
, text
);
1403 fz_free_text_sheet (state
.ctx
, sheet
);
1405 state
.freepage (u
.ptr
);
1410 printd ("progress 1 no matches %f sec", end
- start
);
1412 printd ("clearrects");
1415 static void set_tex_params (int colorspace
)
1422 switch (colorspace
) {
1424 state
.texiform
= GL_RGBA8
;
1425 state
.texform
= GL_RGBA
;
1426 state
.texty
= GL_UNSIGNED_BYTE
;
1427 state
.colorspace
= fz_device_rgb
;
1430 state
.texiform
= GL_RGBA8
;
1431 state
.texform
= GL_BGRA
;
1432 state
.texty
= endianness
.s
> 1
1433 ? GL_UNSIGNED_INT_8_8_8_8
1434 : GL_UNSIGNED_INT_8_8_8_8_REV
;
1435 state
.colorspace
= fz_device_bgr
;
1438 state
.texiform
= GL_LUMINANCE_ALPHA
;
1439 state
.texform
= GL_LUMINANCE_ALPHA
;
1440 state
.texty
= GL_UNSIGNED_BYTE
;
1441 state
.colorspace
= fz_device_gray
;
1444 errx (1, "invalid colorspce %d", colorspace
);
1448 static void realloctexts (int texcount
)
1452 if (texcount
== state
.texcount
) return;
1454 if (texcount
< state
.texcount
) {
1455 glDeleteTextures (state
.texcount
- texcount
,
1456 state
.texids
+ texcount
);
1459 size
= texcount
* sizeof (*state
.texids
);
1460 state
.texids
= realloc (state
.texids
, size
);
1461 if (!state
.texids
) {
1462 err (1, "realloc texids %" FMT_s
, size
);
1465 size
= texcount
* sizeof (*state
.texowners
);
1466 state
.texowners
= realloc (state
.texowners
, size
);
1467 if (!state
.texowners
) {
1468 err (1, "realloc texowners %" FMT_s
, size
);
1470 if (texcount
> state
.texcount
) {
1473 glGenTextures (texcount
- state
.texcount
,
1474 state
.texids
+ state
.texcount
);
1475 for (i
= state
.texcount
; i
< texcount
; ++i
) {
1476 state
.texowners
[i
].w
= -1;
1477 state
.texowners
[i
].slice
= NULL
;
1480 state
.texcount
= texcount
;
1484 static char *mbtoutf8 (char *s
)
1490 len
= mbstowcs (NULL
, s
, strlen (s
));
1495 if (len
== (size_t) -1) {
1500 tmp
= malloc (len
* sizeof (wchar_t));
1505 ret
= mbstowcs (tmp
, s
, len
);
1506 if (ret
== (size_t) -1) {
1512 for (i
= 0; i
< ret
; ++i
) {
1513 len
+= fz_runelen (tmp
[i
]);
1516 p
= r
= malloc (len
+ 1);
1522 for (i
= 0; i
< ret
; ++i
) {
1523 p
+= fz_runetochar (p
, tmp
[i
]);
1530 CAMLprim value
ml_mbtoutf8 (value s_v
)
1536 s
= String_val (s_v
);
1542 ret_v
= caml_copy_string (r
);
1548 static void * mainloop (void *unused
)
1551 int len
, ret
, oldlen
= 0;
1556 errx (1, "readlen returned 0");
1559 if (oldlen
< len
+ 1) {
1560 p
= realloc (p
, len
+ 1);
1562 err (1, "realloc %d failed", len
+ 1);
1569 if (!strncmp ("open", p
, 4)) {
1572 char *filename
= p
+ 5;
1575 filenamelen
= strlen (filename
);
1576 password
= filename
+ filenamelen
+ 1;
1578 openxref (filename
, password
);
1581 utf8filename
= mbtoutf8 (filename
);
1582 printd ("msg Opened %s (press h/F1 to get help)", utf8filename
);
1583 if (utf8filename
!= filename
) {
1584 free (utf8filename
);
1586 state
.needoutline
= 1;
1588 else if (!strncmp ("cs", p
, 2)) {
1591 ret
= sscanf (p
+ 2, " %d", &colorspace
);
1593 errx (1, "malformed cs `%.*s' ret=%d", len
, p
, ret
);
1596 set_tex_params (colorspace
);
1597 for (i
= 0; i
< state
.texcount
; ++i
) {
1598 state
.texowners
[i
].w
= -1;
1599 state
.texowners
[i
].slice
= NULL
;
1603 else if (!strncmp ("freepage", p
, 8)) {
1606 ret
= sscanf (p
+ 8, " %" FMT_ptr
, FMT_ptr_cast (&ptr
));
1608 errx (1, "malformed freepage `%.*s' ret=%d", len
, p
, ret
);
1612 else if (!strncmp ("freetile", p
, 8)) {
1615 ret
= sscanf (p
+ 8, " %" FMT_ptr
, FMT_ptr_cast (&ptr
));
1617 errx (1, "malformed freetile `%.*s' ret=%d", len
, p
, ret
);
1621 else if (!strncmp ("search", p
, 6)) {
1622 int icase
, pageno
, y
, ret
, len2
, forward
;
1626 ret
= sscanf (p
+ 6, " %d %d %d %d,%n",
1627 &icase
, &pageno
, &y
, &forward
, &len2
);
1629 errx (1, "malformed search `%s' ret=%d", p
, ret
);
1632 pattern
= p
+ 6 + len2
;
1633 ret
= regcomp (&re
, pattern
,
1634 REG_EXTENDED
| (icase
? REG_ICASE
: 0));
1639 size
= regerror (ret
, &re
, errbuf
, sizeof (errbuf
));
1640 printd ("msg regcomp failed `%.*s'", (int) size
, errbuf
);
1643 search (&re
, pageno
, y
, forward
);
1647 else if (!strncmp ("geometry", p
, 8)) {
1651 ret
= sscanf (p
+ 8, " %d %d", &w
, &h
);
1653 errx (1, "malformed geometry `%.*s' ret=%d", len
, p
, ret
);
1661 for (i
= 0; i
< state
.texcount
; ++i
) {
1662 state
.texowners
[i
].slice
= NULL
;
1668 unlock ("geometry");
1669 printd ("continue %d", state
.pagecount
);
1671 else if (!strncmp ("reqlayout", p
, 9)) {
1672 int rotate
, proportional
;
1675 ret
= sscanf (p
+ 9, " %d %d", &rotate
, &proportional
);
1677 errx (1, "bad reqlayout line `%.*s' ret=%d", len
, p
, ret
);
1680 if (state
.rotate
!= rotate
|| state
.proportional
!= proportional
) {
1683 state
.rotate
= rotate
;
1684 state
.proportional
= proportional
;
1688 unlock ("reqlayout");
1689 printd ("continue %d", state
.pagecount
);
1691 else if (!strncmp ("page", p
, 4)) {
1694 int pageno
, pindex
, ret
;
1696 ret
= sscanf (p
+ 4, " %d %d", &pageno
, &pindex
);
1698 errx (1, "bad render line `%.*s' ret=%d", len
, p
, ret
);
1703 page
= loadpage (pageno
, pindex
);
1707 printd ("page %" FMT_ptr
" %f", FMT_ptr_cast2 (page
), b
- a
);
1709 else if (!strncmp ("tile", p
, 4)) {
1710 int x
, y
, w
, h
, ret
;
1715 ret
= sscanf (p
+ 4, " %" FMT_ptr
" %d %d %d %d",
1716 FMT_ptr_cast (&page
), &x
, &y
, &w
, &h
);
1718 errx (1, "bad tile line `%.*s' ret=%d", len
, p
, ret
);
1723 tile
= rendertile (page
, x
, y
, w
, h
);
1727 printd ("tile %d %d %" FMT_ptr
" %u %f",
1729 FMT_ptr_cast2 (tile
),
1730 tile
->w
* tile
->h
* tile
->pixmap
->n
,
1733 else if (!strncmp ("settrim", p
, 7)) {
1737 ret
= sscanf (p
+ 7, " %d %d %d %d %d", &trimmargins
,
1738 &fuzz
.x0
, &fuzz
.y0
, &fuzz
.x1
, &fuzz
.y1
);
1740 errx (1, "malformed settrim `%.*s' ret=%d", len
, p
, ret
);
1744 state
.trimmargins
= trimmargins
;
1745 state
.needoutline
= 1;
1746 if (memcmp (&fuzz
, &state
.trimfuzz
, sizeof (fuzz
))) {
1748 state
.trimfuzz
= fuzz
;
1750 state
.pagedimcount
= 0;
1751 free (state
.pagedims
);
1752 state
.pagedims
= NULL
;
1757 printd ("continue %d", state
.pagecount
);
1759 else if (!strncmp ("sliceh", p
, 6)) {
1762 ret
= sscanf (p
+ 6, " %d", &h
);
1764 errx (1, "malformed sliceh `%.*s' ret=%d", len
, p
, ret
);
1766 if (h
!= state
.sliceheight
) {
1769 state
.sliceheight
= h
;
1770 for (i
= 0; i
< state
.texcount
; ++i
) {
1771 state
.texowners
[i
].w
= -1;
1772 state
.texowners
[i
].h
= -1;
1773 state
.texowners
[i
].slice
= NULL
;
1777 else if (!strncmp ("interrupt", p
, 9)) {
1778 printd ("vmsg interrupted");
1781 errx (1, "unknown command %.*s", len
, p
);
1787 CAMLprim value
ml_realloctexts (value texcount_v
)
1789 CAMLparam1 (texcount_v
);
1792 if (trylock ("ml_realloctexts")) {
1796 realloctexts (Int_val (texcount_v
));
1798 unlock ("ml_realloctexts");
1801 CAMLreturn (Val_bool (ok
));
1804 static void showsel (struct page
*page
, int ox
, int oy
)
1810 fz_text_block
*block
;
1811 struct mark first
, last
;
1813 first
= page
->fmark
;
1816 if (!first
.span
|| !last
.span
) return;
1818 glEnable (GL_BLEND
);
1819 glBlendFunc (GL_SRC_ALPHA
, GL_SRC_ALPHA
);
1820 glColor4f (0.5f
, 0.5f
, 0.0f
, 0.6f
);
1822 ox
+= state
.pagedims
[page
->pdimno
].bounds
.x0
;
1823 oy
+= state
.pagedims
[page
->pdimno
].bounds
.y0
;
1824 for (block
= page
->text
->blocks
;
1825 block
< page
->text
->blocks
+ page
->text
->len
;
1827 for (line
= block
->lines
;
1828 line
< block
->lines
+ block
->len
;
1830 for (span
= line
->spans
;
1831 span
< line
->spans
+ line
->len
;
1835 bbox
.x0
= bbox
.y0
= bbox
.x1
= bbox
.y1
= 0;
1840 if (span
== page
->fmark
.span
&& span
== page
->lmark
.span
) {
1842 j
= MIN (first
.i
, last
.i
);
1843 k
= MAX (first
.i
, last
.i
);
1845 else if (span
== first
.span
) {
1849 else if (span
== last
.span
) {
1855 for (i
= j
; i
<= k
; ++i
) {
1856 fz_bbox b
= fz_round_rect (span
->text
[i
].bbox
);
1857 bbox
= fz_union_bbox (bbox
, b
);
1859 lprintf ("%d %d %d %d oy=%d ox=%d\n",
1866 glRecti (bbox
.x0
+ ox
, bbox
.y0
+ oy
,
1867 bbox
.x1
+ ox
, bbox
.y1
+ oy
);
1868 if (span
== last
.span
) {
1876 glDisable (GL_BLEND
);
1881 static void highlightlinks (struct page
*page
, int xoff
, int yoff
)
1884 fz_link
*link
, *links
;
1886 switch (page
->type
) {
1888 links
= page
->u
.pdfpage
->links
;
1892 links
= page
->u
.xpspage
->links
;
1899 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
1900 glEnable (GL_LINE_STIPPLE
);
1901 glLineStipple (0.5, 0xcccc);
1903 xoff
-= state
.pagedims
[page
->pdimno
].bounds
.x0
;
1904 yoff
-= state
.pagedims
[page
->pdimno
].bounds
.y0
;
1905 ctm
= fz_concat (pagectm (page
), fz_translate (xoff
, yoff
));
1908 for (link
= links
; link
; link
= link
->next
) {
1909 fz_point p1
, p2
, p3
, p4
;
1911 p1
.x
= link
->rect
.x0
;
1912 p1
.y
= link
->rect
.y0
;
1914 p2
.x
= link
->rect
.x1
;
1915 p2
.y
= link
->rect
.y0
;
1917 p3
.x
= link
->rect
.x1
;
1918 p3
.y
= link
->rect
.y1
;
1920 p4
.x
= link
->rect
.x0
;
1921 p4
.y
= link
->rect
.y1
;
1923 p1
= fz_transform_point (ctm
, p1
);
1924 p2
= fz_transform_point (ctm
, p2
);
1925 p3
= fz_transform_point (ctm
, p3
);
1926 p4
= fz_transform_point (ctm
, p4
);
1928 switch (link
->dest
.kind
) {
1929 case FZ_LINK_GOTO
: glColor3ub (255, 0, 0); break;
1930 case FZ_LINK_URI
: glColor3ub (0, 0, 255); break;
1931 default: glColor3ub (0, 0, 0); break;
1934 glVertex2f (p1
.x
, p1
.y
);
1935 glVertex2f (p2
.x
, p2
.y
);
1936 glVertex2f (p3
.x
, p3
.y
);
1937 glVertex2f (p4
.x
, p4
.y
);
1941 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
1942 glDisable (GL_LINE_STIPPLE
);
1945 static int compareslinks (const void *l
, const void *r
)
1947 struct slink
const *ls
= l
;
1948 struct slink
const *rs
= r
;
1949 if (ls
->bbox
.y0
== rs
->bbox
.y0
) {
1950 return rs
->bbox
.x0
- rs
->bbox
.x0
;
1952 return ls
->bbox
.y0
- rs
->bbox
.y0
;
1955 static void droptext (struct page
*page
)
1958 fz_free_text_page (state
.ctx
, page
->text
);
1961 page
->fmark
.span
= NULL
;
1962 page
->lmark
.span
= NULL
;
1966 fz_free_text_sheet (state
.ctx
, page
->sheet
);
1970 static void dropslinks (struct page
*page
)
1973 free (page
->slinks
);
1974 page
->slinks
= NULL
;
1975 page
->slinkcount
= 0;
1979 static void ensureslinks (struct page
*page
)
1983 size_t slinksize
= sizeof (*page
->slinks
);
1984 fz_link
*link
, *links
;
1986 if (state
.gen
!= page
->sgen
) {
1988 page
->sgen
= state
.gen
;
1990 if (page
->slinks
) return;
1992 switch (page
->type
) {
1994 links
= page
->u
.pdfpage
->links
;
1995 ctm
= fz_concat (trimctm (page
->u
.pdfpage
, page
->pdimno
),
1996 state
.pagedims
[page
->pdimno
].ctm
);
2000 links
= page
->u
.xpspage
->links
;
2001 ctm
= state
.pagedims
[page
->pdimno
].ctm
;
2008 for (link
= links
; link
; link
= link
->next
) {
2012 page
->slinkcount
= count
;
2013 page
->slinks
= calloc (count
, slinksize
);
2014 if (!page
->slinks
) {
2015 err (1, "realloc slinks %d", count
);
2018 for (i
= 0, link
= links
; link
; ++i
, link
= link
->next
) {
2019 page
->slinks
[i
].link
= link
;
2020 page
->slinks
[i
].bbox
=
2021 fz_round_rect (fz_transform_rect (ctm
, link
->rect
));
2023 qsort (page
->slinks
, count
, slinksize
, compareslinks
);
2027 /* slightly tweaked fmt_ulong by D.J. Bernstein */
2028 static void fmt_linkn (char *s
, unsigned int u
)
2030 unsigned int len
; unsigned int q
;
2031 int zma
= 'z' - 'a' + 1;
2033 while (q
> zma
- 1) { ++len
; q
/= zma
; }
2036 do { *--s
= 'a' + (u
% zma
) - (u
< zma
&& len
> 1); u
/= zma
; } while(u
);
2037 /* handles u == 0 */
2042 static void highlightslinks (struct page
*page
, int xoff
, int yoff
,
2043 int noff
, char *targ
, int tlen
, int hfsize
)
2047 struct slink
*slink
;
2048 double x0
, y0
, x1
, y1
, w
;
2050 ensureslinks (page
);
2051 glColor3ub (0xc3, 0xb0, 0x91);
2052 for (i
= 0; i
< page
->slinkcount
; ++i
) {
2053 fmt_linkn (buf
, i
+ noff
);
2054 if (!tlen
|| !strncmp (targ
, buf
, tlen
)) {
2055 slink
= &page
->slinks
[i
];
2057 x0
= slink
->bbox
.x0
+ xoff
- 5;
2058 y1
= slink
->bbox
.y0
+ yoff
- 5;
2059 y0
= y1
+ 10 + hfsize
;
2060 w
= measure_string (state
.face
, hfsize
, buf
);
2062 glRectd (x0
, y0
, x1
, y1
);
2066 glEnable (GL_BLEND
);
2067 glBlendFunc (GL_SRC_ALPHA
, GL_ONE_MINUS_SRC_ALPHA
);
2068 glEnable (GL_TEXTURE_2D
);
2069 glColor3ub (0, 0, 0);
2070 for (i
= 0; i
< page
->slinkcount
; ++i
) {
2071 fmt_linkn (buf
, i
+ noff
);
2072 if (!tlen
|| !strncmp (targ
, buf
, tlen
)) {
2073 slink
= &page
->slinks
[i
];
2075 x0
= slink
->bbox
.x0
+ xoff
;
2076 y0
= slink
->bbox
.y0
+ yoff
+ hfsize
;
2077 draw_string (state
.face
, hfsize
, x0
, y0
, buf
);
2080 glDisable (GL_TEXTURE_2D
);
2081 glDisable (GL_BLEND
);
2085 static void uploadslice (struct tile
*tile
, struct slice
*slice
)
2088 struct slice
*slice1
;
2091 for (slice1
= tile
->slices
; slice
!= slice1
; slice1
++) {
2092 offset
+= slice1
->h
* tile
->w
* tile
->pixmap
->n
;
2094 if (slice
->texindex
!= -1 && slice
->texindex
< state
.texcount
2095 && state
.texowners
[slice
->texindex
].slice
== slice
) {
2096 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[slice
->texindex
]);
2100 int texindex
= state
.texindex
++ % state
.texcount
;
2102 if (state
.texowners
[texindex
].w
== tile
->w
) {
2103 if (state
.texowners
[texindex
].h
>= slice
->h
) {
2107 state
.texowners
[texindex
].h
= slice
->h
;
2111 state
.texowners
[texindex
].h
= slice
->h
;
2114 state
.texowners
[texindex
].w
= tile
->w
;
2115 state
.texowners
[texindex
].slice
= slice
;
2116 slice
->texindex
= texindex
;
2118 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[texindex
]);
2120 glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB
,
2128 tile
->pixmap
->samples
+offset
2132 glTexImage2D (GL_TEXTURE_RECTANGLE_ARB
,
2140 tile
->pixmap
->samples
+offset
2146 CAMLprim value
ml_drawtile (value args_v
, value ptr_v
)
2148 CAMLparam2 (args_v
, ptr_v
);
2149 int dispx
= Int_val (Field (args_v
, 0));
2150 int dispy
= Int_val (Field (args_v
, 1));
2151 int dispw
= Int_val (Field (args_v
, 2));
2152 int disph
= Int_val (Field (args_v
, 3));
2153 int tilex
= Int_val (Field (args_v
, 4));
2154 int tiley
= Int_val (Field (args_v
, 5));
2155 char *s
= String_val (ptr_v
);
2156 struct tile
*tile
= parse_pointer ("ml_drawtile", s
);
2158 glEnable (GL_TEXTURE_RECTANGLE_ARB
);
2160 int slicey
, firstslice
;
2161 struct slice
*slice
;
2163 firstslice
= tiley
/ tile
->sliceheight
;
2164 slice
= &tile
->slices
[firstslice
];
2165 slicey
= tiley
% tile
->sliceheight
;
2170 dh
= slice
->h
- slicey
;
2171 dh
= MIN (disph
, dh
);
2172 uploadslice (tile
, slice
);
2176 glTexCoord2i (tilex
, slicey
);
2177 glVertex2i (dispx
, dispy
);
2179 glTexCoord2i (tilex
+dispw
, slicey
);
2180 glVertex2i (dispx
+dispw
, dispy
);
2182 glTexCoord2i (tilex
+dispw
, slicey
+dh
);
2183 glVertex2i (dispx
+dispw
, dispy
+dh
);
2185 glTexCoord2i (tilex
, slicey
+dh
);
2186 glVertex2i (dispx
, dispy
+dh
);
2193 ARSERT (!(slice
- tile
->slices
>= tile
->slicecount
&& disph
> 0));
2197 glDisable (GL_TEXTURE_RECTANGLE_ARB
);
2198 CAMLreturn (Val_unit
);
2201 CAMLprim value
ml_postprocess (value ptr_v
, value hlinks_v
,
2202 value xoff_v
, value yoff_v
,
2205 CAMLparam5 (ptr_v
, hlinks_v
, xoff_v
, yoff_v
, li_v
);
2206 int xoff
= Int_val (xoff_v
);
2207 int yoff
= Int_val (yoff_v
);
2208 int noff
= Int_val (Field (li_v
, 0));
2209 char *targ
= String_val (Field (li_v
, 1));
2210 int tlen
= caml_string_length (Field (li_v
, 1));
2211 int hfsize
= Int_val (Field (li_v
, 2));
2212 char *s
= String_val (ptr_v
);
2213 int hlmask
= Int_val (hlinks_v
);
2214 struct page
*page
= parse_pointer ("ml_postprocess", s
);
2217 /* deal with loadpage failed pages */
2221 if (hlmask
& 1) highlightlinks (page
, xoff
, yoff
);
2222 if (trylock ("ml_postprocess")) {
2227 highlightslinks (page
, xoff
, yoff
, noff
, targ
, tlen
, hfsize
);
2228 noff
= page
->slinkcount
;
2230 showsel (page
, xoff
, yoff
);
2231 unlock ("ml_postprocess");
2234 CAMLreturn (Val_int (noff
));
2237 static fz_link
*getlink (struct page
*page
, int x
, int y
)
2241 fz_link
*link
, *links
;
2243 switch (page
->type
) {
2245 ctm
= trimctm (page
->u
.pdfpage
, page
->pdimno
);
2246 links
= page
->u
.pdfpage
->links
;
2251 links
= page
->u
.xpspage
->links
;
2260 ctm
= fz_concat (ctm
, state
.pagedims
[page
->pdimno
].ctm
);
2261 ctm
= fz_invert_matrix (ctm
);
2262 p
= fz_transform_point (ctm
, p
);
2264 for (link
= links
; link
; link
= link
->next
) {
2265 if (p
.x
>= link
->rect
.x0
&& p
.x
<= link
->rect
.x1
) {
2266 if (p
.y
>= link
->rect
.y0
&& p
.y
<= link
->rect
.y1
) {
2274 static void ensuretext (struct page
*page
)
2276 if (state
.gen
!= page
->tgen
) {
2278 page
->tgen
= state
.gen
;
2283 page
->text
= fz_new_text_page (state
.ctx
, fz_infinite_rect
);
2284 page
->sheet
= fz_new_text_sheet (state
.ctx
);
2285 tdev
= fz_new_text_device (state
.ctx
, page
->sheet
, page
->text
);
2286 fz_run_display_list (page
->dlist
,
2289 fz_infinite_bbox
, NULL
);
2290 qsort (page
->text
->blocks
, page
->text
->len
,
2291 sizeof (*page
->text
->blocks
), compareblocks
);
2292 fz_free_device (tdev
);
2296 CAMLprim value
ml_find_page_with_links (value start_page_v
, value dir_v
)
2298 CAMLparam2 (start_page_v
, dir_v
);
2300 int i
, dir
= Int_val (dir_v
);
2301 int start_page
= Int_val (start_page_v
);
2302 int end_page
= dir
> 0 ? state
.pagecount
: -1;
2304 ret_v
= Val_int (0);
2305 if (!(state
.type
== DPDF
|| state
.type
== DXPS
)) {
2309 lock ("ml_findpage_with_links");
2310 for (i
= start_page
+ dir
; i
!= end_page
; i
+= dir
) {
2313 switch (state
.type
) {
2316 pdf_page
*page
= NULL
;
2318 fz_try (state
.ctx
) {
2319 page
= pdf_load_page (state
.u
.pdf
, i
);
2320 found
= !!page
->links
;
2322 fz_catch (state
.ctx
) {
2332 xps_page
*page
= xps_load_page (state
.u
.xps
, i
);
2333 found
= !!page
->links
;
2339 ARSERT ("invalid document type");
2343 ret_v
= caml_alloc_small (1, 1);
2344 Field (ret_v
, 0) = Val_int (i
);
2349 unlock ("ml_findpage_with_links");
2355 enum { dir_first
, dir_last
};
2356 enum { dir_first_visible
, dir_left
, dir_right
, dir_down
, dir_up
};
2358 CAMLprim value
ml_findlink (value ptr_v
, value dir_v
)
2360 CAMLparam2 (ptr_v
, dir_v
);
2361 CAMLlocal2 (ret_v
, pos_v
);
2363 int dirtag
, i
, slinkindex
;
2364 struct slink
*found
= NULL
,*slink
;
2365 char *s
= String_val (ptr_v
);
2367 page
= parse_pointer ("ml_findlink", s
);
2368 ret_v
= Val_int (0);
2369 if (trylock ("ml_findlink")) {
2373 ensureslinks (page
);
2375 if (Is_block (dir_v
)) {
2376 dirtag
= Tag_val (dir_v
);
2378 case dir_first_visible
:
2380 int x0
, y0
, dir
, first_index
, last_index
;
2382 pos_v
= Field (dir_v
, 0);
2383 x0
= Int_val (Field (pos_v
, 0));
2384 y0
= Int_val (Field (pos_v
, 1));
2385 dir
= Int_val (Field (pos_v
, 2));
2390 last_index
= page
->slinkcount
;
2393 first_index
= page
->slinkcount
- 1;
2397 for (i
= first_index
; i
!= last_index
; i
+= dir
) {
2398 slink
= &page
->slinks
[i
];
2399 if (slink
->bbox
.y0
>= y0
&& slink
->bbox
.x0
>= x0
) {
2408 slinkindex
= Int_val (Field (dir_v
, 0));
2409 found
= &page
->slinks
[slinkindex
];
2410 for (i
= slinkindex
- 1; i
>= 0; --i
) {
2411 slink
= &page
->slinks
[i
];
2412 if (slink
->bbox
.x0
< found
->bbox
.x0
) {
2420 slinkindex
= Int_val (Field (dir_v
, 0));
2421 found
= &page
->slinks
[slinkindex
];
2422 for (i
= slinkindex
+ 1; i
< page
->slinkcount
; ++i
) {
2423 slink
= &page
->slinks
[i
];
2424 if (slink
->bbox
.x0
> found
->bbox
.x0
) {
2432 slinkindex
= Int_val (Field (dir_v
, 0));
2433 found
= &page
->slinks
[slinkindex
];
2434 for (i
= slinkindex
+ 1; i
< page
->slinkcount
; ++i
) {
2435 slink
= &page
->slinks
[i
];
2436 if (slink
->bbox
.y0
>= found
->bbox
.y0
) {
2444 slinkindex
= Int_val (Field (dir_v
, 0));
2445 found
= &page
->slinks
[slinkindex
];
2446 for (i
= slinkindex
- 1; i
>= 0; --i
) {
2447 slink
= &page
->slinks
[i
];
2448 if (slink
->bbox
.y0
<= found
->bbox
.y0
) {
2457 dirtag
= Int_val (dir_v
);
2460 found
= page
->slinks
;
2465 found
= page
->slinks
+ (page
->slinkcount
- 1);
2471 ret_v
= caml_alloc_small (2, 1);
2472 Field (ret_v
, 0) = Val_int (found
- page
->slinks
);
2475 unlock ("ml_findlink");
2480 enum { uuri
, ugoto
, utext
, uunexpected
, ulaunch
, unamed
, uremote
};
2486 switch (link->dest.kind) { \
2487 case FZ_LINK_GOTO: \
2491 pageno = link->dest.ld.gotor.page; \
2495 if (link->dest.ld.gotor.flags & fz_link_flag_t_valid) { \
2496 p.y = link->dest.ld.gotor.lt.y; \
2497 p = fz_transform_point (pdim->lctm, p); \
2499 tup_v = caml_alloc_tuple (2); \
2500 ret_v = caml_alloc_small (1, ugoto); \
2501 Field (tup_v, 0) = Val_int (pageno); \
2502 Field (tup_v, 1) = Val_int (p.y); \
2503 Field (ret_v, 0) = tup_v; \
2508 str_v = caml_copy_string (link->dest.ld.uri.uri); \
2509 ret_v = caml_alloc_small (1, uuri); \
2510 Field (ret_v, 0) = str_v; \
2513 case FZ_LINK_LAUNCH: \
2514 str_v = caml_copy_string (link->dest.ld.launch.file_spec); \
2515 ret_v = caml_alloc_small (1, ulaunch); \
2516 Field (ret_v, 0) = str_v; \
2519 case FZ_LINK_NAMED: \
2520 str_v = caml_copy_string (link->dest.ld.named.named); \
2521 ret_v = caml_alloc_small (1, unamed); \
2522 Field (ret_v, 0) = str_v; \
2525 case FZ_LINK_GOTOR: \
2526 str_v = caml_copy_string (link->dest.ld.gotor.file_spec); \
2527 pageno = link->dest.ld.gotor.page; \
2528 tup_v = caml_alloc_tuple (2); \
2529 ret_v = caml_alloc_small (1, uremote); \
2530 Field (tup_v, 0) = str_v; \
2531 Field (tup_v, 1) = Val_int (pageno); \
2532 Field (ret_v, 0) = tup_v; \
2539 snprintf (buf, sizeof (buf), \
2540 "unhandled link kind %d", link->dest.kind); \
2541 str_v = caml_copy_string (buf); \
2542 ret_v = caml_alloc_small (1, uunexpected); \
2543 Field (ret_v, 0) = str_v; \
2549 CAMLprim value
ml_getlink (value ptr_v
, value n_v
)
2551 CAMLparam2 (ptr_v
, n_v
);
2552 CAMLlocal3 (ret_v
, tup_v
, str_v
);
2555 struct pagedim
*pdim
;
2556 char *s
= String_val (ptr_v
);
2558 ret_v
= Val_int (0);
2559 if (trylock ("ml_getlink")) {
2563 page
= parse_pointer ("ml_getlink", s
);
2564 ensureslinks (page
);
2565 pdim
= &state
.pagedims
[page
->pdimno
];
2566 link
= page
->slinks
[Int_val (n_v
)].link
;
2569 unlock ("ml_getlink");
2574 CAMLprim value
ml_getlinkcount (value ptr_v
)
2578 char *s
= String_val (ptr_v
);
2580 page
= parse_pointer ("ml_getlinkcount", s
);
2581 CAMLreturn (Val_int (page
->slinkcount
));
2584 CAMLprim value
ml_getlinkrect (value ptr_v
, value n_v
)
2586 CAMLparam2 (ptr_v
, n_v
);
2589 struct slink
*slink
;
2590 char *s
= String_val (ptr_v
);
2592 page
= parse_pointer ("ml_getlinkrect", s
);
2593 ret_v
= caml_alloc_tuple (4);
2594 if (trylock ("ml_getlinkrect")) {
2595 Field (ret_v
, 0) = Val_int (0);
2596 Field (ret_v
, 1) = Val_int (0);
2597 Field (ret_v
, 2) = Val_int (0);
2598 Field (ret_v
, 3) = Val_int (0);
2601 ensureslinks (page
);
2603 slink
= &page
->slinks
[Int_val (n_v
)];
2604 Field (ret_v
, 0) = Val_int (slink
->bbox
.x0
);
2605 Field (ret_v
, 1) = Val_int (slink
->bbox
.y0
);
2606 Field (ret_v
, 2) = Val_int (slink
->bbox
.x1
);
2607 Field (ret_v
, 3) = Val_int (slink
->bbox
.y1
);
2608 unlock ("ml_getlinkrect");
2614 CAMLprim value
ml_whatsunder (value ptr_v
, value x_v
, value y_v
)
2616 CAMLparam3 (ptr_v
, x_v
, y_v
);
2617 CAMLlocal3 (ret_v
, tup_v
, str_v
);
2620 char *s
= String_val (ptr_v
);
2621 int x
= Int_val (x_v
), y
= Int_val (y_v
);
2622 struct pagedim
*pdim
;
2624 ret_v
= Val_int (0);
2625 if (trylock ("ml_whatsunder")) {
2629 page
= parse_pointer ("ml_whatsunder", s
);
2630 pdim
= &state
.pagedims
[page
->pdimno
];
2631 x
+= pdim
->bounds
.x0
;
2632 y
+= pdim
->bounds
.y0
;
2633 link
= getlink (page
, x
, y
);
2639 fz_text_block
*block
;
2642 for (block
= page
->text
->blocks
;
2643 block
< page
->text
->blocks
+ page
->text
->len
;
2648 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
2651 for (line
= block
->lines
;
2652 line
< block
->lines
+ block
->len
;
2657 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
2660 for (span
= line
->spans
;
2661 span
< line
->spans
+ line
->len
;
2666 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
2669 for (ch
= span
->text
; ch
< span
->text
+ span
->len
; ++ch
) {
2672 if (x
>= b
->x0
&& x
<= b
->x1
2673 && y
>= b
->y0
&& y
<= b
->y1
) {
2675 span
->style
->font
&& span
->style
->font
->name
2676 ? span
->style
->font
->name
2677 : "Span has no font name"
2679 FT_FaceRec
*face
= span
->style
->font
->ft_face
;
2680 if (face
&& face
->family_name
) {
2682 char *n1
= face
->family_name
;
2683 size_t l1
= strlen (n1
);
2684 size_t l2
= strlen (n2
);
2686 if (l1
!= l2
|| memcmp (n1
, n2
, l1
)) {
2687 s
= malloc (l1
+ l2
+ 2);
2691 memcpy (s
+ l2
+ 1, n1
, l1
+ 1);
2692 str_v
= caml_copy_string (s
);
2698 str_v
= caml_copy_string (n2
);
2700 ret_v
= caml_alloc_small (1, utext
);
2701 Field (ret_v
, 0) = str_v
;
2710 unlock ("ml_whatsunder");
2716 CAMLprim value
ml_seltext (value ptr_v
, value rect_v
)
2718 CAMLparam2 (ptr_v
, rect_v
);
2721 struct pagedim
*pdim
;
2722 int i
, x0
, x1
, y0
, y1
;
2723 char *s
= String_val (ptr_v
);
2725 fz_text_block
*block
;
2726 fz_text_span
*span
, *fspan
, *lspan
;
2727 fz_text_line
*line
, *fline
= NULL
, *lline
= NULL
;
2729 if (trylock ("ml_seltext")) {
2733 page
= parse_pointer ("ml_seltext", s
);
2736 pdim
= &state
.pagedims
[page
->pdimno
];
2737 x0
= Int_val (Field (rect_v
, 0)) + pdim
->bounds
.x0
;;
2738 y0
= Int_val (Field (rect_v
, 1)) + pdim
->bounds
.y0
;
2739 x1
= Int_val (Field (rect_v
, 2)) + pdim
->bounds
.x0
;
2740 y1
= Int_val (Field (rect_v
, 3)) + pdim
->bounds
.y0
;
2743 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
2744 glColor3ub (128, 128, 128);
2745 glRecti (x0
, y0
, x1
, y1
);
2746 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
2749 fspan
= lspan
= NULL
;
2751 for (block
= page
->text
->blocks
;
2752 block
< page
->text
->blocks
+ page
->text
->len
;
2754 for (line
= block
->lines
;
2755 line
< block
->lines
+ block
->len
;
2757 for (span
= line
->spans
;
2758 span
< line
->spans
+ line
->len
;
2760 for (i
= 0; i
< span
->len
; ++i
) {
2761 b
= &span
->text
[i
].bbox
;
2764 if (x0
>= b
->x0
&& x0
<= b
->x1
2765 && y0
>= b
->y0
&& y0
<= b
->y1
) {
2771 if (x1
>= b
->x0
&& x1
<= b
->x1
2772 && y1
>= b
->y0
&& y1
<= b
->y1
) {
2778 if (0 && selected
) {
2779 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
2780 glColor3ub (128, 128, 128);
2781 glRecti (b
->x0
, b
->y0
, b
->x1
, b
->y1
);
2782 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
2788 if (y1
< y0
|| x1
< x0
) {
2791 if (fspan
== lspan
) {
2796 if (fline
!= lline
) {
2815 page
->fmark
.span
= fspan
;
2818 page
->lmark
.span
= lspan
;
2820 unlock ("ml_seltext");
2823 CAMLreturn (Val_unit
);
2826 static int UNUSED_ATTR
pipespan (FILE *f
, fz_text_span
*span
, int a
, int b
)
2831 for (i
= a
; i
<= b
; ++i
) {
2832 len
= fz_runetochar (buf
, span
->text
[i
].c
);
2833 ret
= fwrite (buf
, len
, 1, f
);
2836 fprintf (stderr
, "failed to write %d bytes ret=%d: %s\n",
2837 len
, ret
, strerror (errno
));
2845 value
ml_popen (value UNUSED_ATTR u1
, value UNUSED_ATTR u2
)
2847 caml_failwith ("ml_popen not implemented under Cygwin");
2850 CAMLprim value
ml_popen (value command_v
, value fds_v
)
2852 CAMLparam2 (command_v
, fds_v
);
2853 CAMLlocal2 (l_v
, tup_v
);
2856 value earg_v
= Nothing
;
2857 posix_spawnattr_t attr
;
2858 posix_spawn_file_actions_t fa
;
2859 char *argv
[] = { "/bin/sh", "-c", String_val (command_v
), NULL
};
2861 if ((ret
= posix_spawn_file_actions_init (&fa
)) != 0) {
2862 unix_error (ret
, "posix_spawn_file_actions_init", Nothing
);
2865 if ((ret
= posix_spawnattr_init (&attr
)) != 0) {
2866 msg
= "posix_spawnattr_init";
2870 #ifdef POSIX_SPAWN_USEVFORK
2871 if ((ret
= posix_spawnattr_setflags (&attr
, POSIX_SPAWN_USEVFORK
)) != 0) {
2872 msg
= "posix_spawnattr_setflags POSIX_SPAWN_USEVFORK";
2877 for (l_v
= fds_v
; l_v
!= Val_int (0); l_v
= Field (l_v
, 1)) {
2880 tup_v
= Field (l_v
, 0);
2881 fd1
= Int_val (Field (tup_v
, 0));
2882 fd2
= Int_val (Field (tup_v
, 1));
2884 if ((ret
= posix_spawn_file_actions_addclose (&fa
, fd1
)) != 0) {
2885 msg
= "posix_spawn_file_actions_addclose";
2891 if ((ret
= posix_spawn_file_actions_adddup2 (&fa
, fd1
, fd2
)) != 0) {
2892 msg
= "posix_spawn_file_actions_adddup2";
2899 if ((ret
= posix_spawn (NULL
, "/bin/sh", &fa
, &attr
, argv
, environ
))) {
2900 msg
= "posix_spawn";
2905 if ((ret
= posix_spawnattr_destroy (&attr
)) != 0) {
2906 fprintf (stderr
, "posix_spawnattr_destroy: %s\n", strerror (ret
));
2910 if ((ret
= posix_spawn_file_actions_destroy (&fa
)) != 0) {
2911 fprintf (stderr
, "posix_spawn_file_actions_destroy: %s\n",
2916 unix_error (ret
, msg
, earg_v
);
2918 CAMLreturn (Val_unit
);
2922 CAMLprim value
ml_copysel (value fd_v
, value ptr_v
)
2930 fz_text_block
*block
;
2931 int fd
= Int_val (fd_v
);
2932 char *s
= String_val (ptr_v
);
2934 if (trylock ("ml_copysel")) {
2938 page
= parse_pointer ("ml_sopysel", s
);
2940 if (!page
->fmark
.span
|| !page
->lmark
.span
) {
2941 fprintf (stderr
, "nothing to copy\n");
2945 f
= fdopen (fd
, "w");
2947 fprintf (stderr
, "failed to fopen sel pipe: %s\n",
2952 for (block
= page
->text
->blocks
;
2953 block
< page
->text
->blocks
+ page
->text
->len
;
2955 for (line
= block
->lines
;
2956 line
< block
->lines
+ block
->len
;
2958 for (span
= line
->spans
;
2959 span
< line
->spans
+ line
->len
;
2963 seen
|= span
== page
->fmark
.span
|| span
== page
->lmark
.span
;
2964 a
= span
== page
->fmark
.span
? page
->fmark
.i
: 0;
2965 b
= span
== page
->lmark
.span
? page
->lmark
.i
: span
->len
- 1;
2968 if (pipespan (f
, span
, a
, b
)) {
2971 if (span
== line
->spans
+ line
->len
- 1) {
2972 if (putc ('\n', f
) == EOF
) {
2974 "failed break line on sel pipe: %s\n",
2979 if (span
== page
->lmark
.span
) {
2987 page
->lmark
.span
= NULL
;
2988 page
->fmark
.span
= NULL
;
2992 int ret
= fclose (f
);
2995 if (errno
!= ECHILD
) {
2996 fprintf (stderr
, "failed to close sel pipe: %s\n",
3002 unlock ("ml_copysel");
3007 fprintf (stderr
, "failed to close sel pipe: %s\n",
3011 CAMLreturn (Val_unit
);
3014 CAMLprim value
ml_getpdimrect (value pagedimno_v
)
3016 CAMLparam1 (pagedimno_v
);
3018 int pagedimno
= Int_val (pagedimno_v
);
3021 ret_v
= caml_alloc_small (4 * Double_wosize
, Double_array_tag
);
3022 if (trylock ("ml_getpdimrect")) {
3023 box
= fz_empty_rect
;
3026 box
= state
.pagedims
[pagedimno
].mediabox
;
3027 unlock ("ml_getpdimrect");
3030 Store_double_field (ret_v
, 0, box
.x0
);
3031 Store_double_field (ret_v
, 1, box
.x1
);
3032 Store_double_field (ret_v
, 2, box
.y0
);
3033 Store_double_field (ret_v
, 3, box
.y1
);
3038 static double getmaxw (void)
3044 for (i
= 0, p
= state
.pagedims
; i
< state
.pagedimcount
; ++i
, ++p
) {
3047 x0
= MIN (p
->mediabox
.x0
, p
->mediabox
.x1
);
3048 x1
= MAX (p
->mediabox
.x0
, p
->mediabox
.x1
);
3051 maxw
= MAX (w
, maxw
);
3056 CAMLprim value
ml_getmaxw (value unit_v
)
3058 CAMLparam1 (unit_v
);
3062 if (trylock ("ml_getmaxw")) {
3066 unlock ("ml_getmaxw");
3068 ret_v
= caml_copy_double (maxw
);
3072 CAMLprim value
ml_zoom_for_height (value winw_v
, value winh_v
,
3073 value dw_v
, value cols_v
)
3075 CAMLparam3 (winw_v
, winh_v
, dw_v
);
3079 double maxw
= 0.0, maxh
= 0.0;
3081 double winw
= Int_val (winw_v
);
3082 double winh
= Int_val (winh_v
);
3083 double dw
= Int_val (dw_v
);
3084 double cols
= Int_val (cols_v
);
3085 double pw
= 1.0, ph
= 1.0, aspect
;
3087 if (trylock ("ml_zoom_for_height")) {
3091 if (state
.proportional
) {
3092 maxw
= getmaxw () / cols
;
3095 for (i
= 0, p
= state
.pagedims
; i
< state
.pagedimcount
; ++i
, ++p
) {
3096 double x0
, x1
, y0
, y1
, w
, h
, scaledh
, scale
;
3099 rect
= fz_transform_rect (fz_rotate (p
->rotate
+ state
.rotate
),
3101 x0
= MIN (rect
.x0
, rect
.x1
);
3102 x1
= MAX (rect
.x0
, rect
.x1
);
3103 y0
= MIN (rect
.y0
, rect
.y1
);
3104 y1
= MAX (rect
.y0
, rect
.y1
);
3106 w
= (x1
- x0
) / cols
;
3109 if (state
.proportional
) {
3111 scaledh
= h
* scale
;
3118 if (scaledh
> maxh
) {
3126 zoom
= (winh
* aspect
+ dw
) / winw
;
3128 unlock ("ml_zoom_for_height");
3130 ret_v
= caml_copy_double (zoom
);
3134 CAMLprim value
ml_draw_string (value pt_v
, value x_v
, value y_v
, value string_v
)
3136 CAMLparam4 (pt_v
, x_v
, y_v
, string_v
);
3138 int pt
= Int_val(pt_v
);
3139 int x
= Int_val (x_v
);
3140 int y
= Int_val (y_v
);
3143 w
= draw_string (state
.face
, pt
, x
, y
, String_val (string_v
));
3144 ret_v
= caml_copy_double (w
);
3148 CAMLprim value
ml_measure_string (value pt_v
, value string_v
)
3150 CAMLparam2 (pt_v
, string_v
);
3152 int pt
= Int_val (pt_v
);
3155 w
= measure_string (state
.face
, pt
, String_val (string_v
));
3156 ret_v
= caml_copy_double (w
);
3160 CAMLprim value
ml_getpagebox (value opaque_v
)
3162 CAMLparam1 (opaque_v
);
3166 char *s
= String_val (opaque_v
);
3167 struct page
*page
= parse_pointer ("ml_getpagebox", s
);
3169 ret_v
= caml_alloc_tuple (4);
3170 dev
= fz_new_bbox_device (state
.ctx
, &bbox
);
3171 dev
->hints
|= FZ_IGNORE_SHADE
;
3173 switch (page
->type
) {
3175 pdf_run_page (state
.u
.pdf
, page
->u
.pdfpage
, dev
, pagectm (page
), NULL
);
3179 xps_run_page (state
.u
.xps
, page
->u
.xpspage
, dev
, pagectm (page
), NULL
);
3183 bbox
= fz_infinite_bbox
;
3187 fz_free_device (dev
);
3188 Field (ret_v
, 0) = Val_int (bbox
.x0
);
3189 Field (ret_v
, 1) = Val_int (bbox
.y0
);
3190 Field (ret_v
, 2) = Val_int (bbox
.x1
);
3191 Field (ret_v
, 3) = Val_int (bbox
.y1
);
3196 CAMLprim value
ml_setaalevel (value level_v
)
3198 CAMLparam1 (level_v
);
3200 state
.aalevel
= Int_val (level_v
);
3201 CAMLreturn (Val_unit
);
3205 #include <X11/Xlib.h>
3211 GLXDrawable drawable
;
3214 #include "keysym2ucs.c"
3216 CAMLprim value
ml_keysymtoutf8 (value keysym_v
)
3218 CAMLparam1 (keysym_v
);
3220 KeySym keysym
= Int_val (keysym_v
);
3225 rune
= keysym2ucs (keysym
);
3226 len
= fz_runetochar (buf
, rune
);
3228 str_v
= caml_copy_string (buf
);
3232 CAMLprim value
ml_glx (value win_v
)
3235 XVisualInfo
*visual
;
3236 int screen
, wid
= Int_val (win_v
);
3237 int attributes
[] = { GLX_RGBA
, GLX_DOUBLEBUFFER
, None
};
3239 glx
.dpy
= XOpenDisplay (NULL
);
3241 caml_failwith ("XOpenDisplay");
3244 screen
= DefaultScreen (glx
.dpy
);
3245 visual
= glXChooseVisual (glx
.dpy
, screen
, attributes
);
3247 XCloseDisplay (glx
.dpy
);
3249 caml_failwith ("glXChooseVisual");
3252 glx
.ctx
= glXCreateContext (glx
.dpy
, visual
, NULL
, True
);
3255 XCloseDisplay (glx
.dpy
);
3257 caml_failwith ("glXCreateContext");
3260 if (!glXMakeCurrent (glx
.dpy
, wid
, glx
.ctx
)) {
3261 glXDestroyContext (glx
.dpy
, glx
.ctx
);
3262 XCloseDisplay (glx
.dpy
);
3265 caml_failwith ("glXMakeCurrent");
3268 CAMLreturn (Val_unit
);
3271 CAMLprim value
ml_swapb (value unit_v
)
3273 CAMLparam1 (unit_v
);
3274 glXSwapBuffers (glx
.dpy
, glx
.drawable
);
3275 CAMLreturn (Val_unit
);
3278 CAMLprim value
ml_glxsync (value unit_v
)
3280 CAMLparam1 (unit_v
);
3281 if (glx
.dpy
&& glx
.ctx
) {
3285 CAMLreturn (Val_unit
);
3288 enum { piunknown
, pilinux
, piosx
, pisun
, pifreebsd
,
3289 pidragonflybsd
, piopenbsd
, pinetbsd
, picygwin
};
3291 CAMLprim value
ml_platform (value unit_v
)
3293 CAMLparam1 (unit_v
);
3294 int platid
= piunknown
;
3296 #if defined __linux__
3298 #elif defined __CYGWIN__
3300 #elif defined __DragonFly__
3301 platid
= pidragonflybsd
;
3302 #elif defined __FreeBSD__
3304 #elif defined __OpenBSD__
3306 #elif defined __NetBSD__
3308 #elif defined __sun__
3310 #elif defined __APPLE__
3313 CAMLreturn (Val_int (platid
));
3316 CAMLprim value
ml_cloexec (value fd_v
)
3319 int fd
= Int_val (fd_v
);
3321 if (fcntl (fd
, F_SETFD
, FD_CLOEXEC
, 1)) {
3322 uerror ("fcntl", Nothing
);
3324 CAMLreturn (Val_unit
);
3327 CAMLprim value
ml_init (value pipe_v
, value params_v
)
3329 CAMLparam2 (pipe_v
, params_v
);
3330 CAMLlocal2 (trim_v
, fuzz_v
);
3336 struct sigaction sa
;
3338 state
.cr
= Int_val (Field (pipe_v
, 0));
3339 state
.cw
= Int_val (Field (pipe_v
, 1));
3340 state
.rotate
= Int_val (Field (params_v
, 0));
3341 state
.proportional
= Bool_val (Field (params_v
, 1));
3342 trim_v
= Field (params_v
, 2);
3343 texcount
= Int_val (Field (params_v
, 3));
3344 state
.sliceheight
= Int_val (Field (params_v
, 4));
3345 mustoresize
= Int_val (Field (params_v
, 5));
3346 colorspace
= Int_val (Field (params_v
, 6));
3347 fontpath
= String_val (Field (params_v
, 7));
3348 state
.trimcachepath
= strdup (String_val (Field (params_v
, 8)));
3350 state
.ctx
= fz_new_context (NULL
, NULL
, mustoresize
);
3352 state
.trimmargins
= Bool_val (Field (trim_v
, 0));
3353 fuzz_v
= Field (trim_v
, 1);
3354 state
.trimfuzz
.x0
= Int_val (Field (fuzz_v
, 0));
3355 state
.trimfuzz
.y0
= Int_val (Field (fuzz_v
, 1));
3356 state
.trimfuzz
.x1
= Int_val (Field (fuzz_v
, 2));
3357 state
.trimfuzz
.y1
= Int_val (Field (fuzz_v
, 3));
3359 set_tex_params (colorspace
);
3362 state
.face
= load_font (fontpath
);
3366 void *base
= pdf_lookup_substitute_font (0, 0, 0, 0, &len
);
3368 state
.face
= load_builtin_font (base
, len
);
3370 if (!state
.face
) _exit (1);
3372 realloctexts (texcount
);
3375 sa
.sa_handler
= SIG_IGN
;
3376 sa
.sa_flags
= SA_RESTART
| SA_NOCLDSTOP
;
3378 sa
.sa_handler
= SIG_DFL
;
3379 sa
.sa_flags
= SA_RESTART
| SA_NOCLDSTOP
| SA_NOCLDWAIT
;
3381 if (sigemptyset (&sa
.sa_mask
)) {
3382 err (1, "sigemptyset");
3384 if (sigaction (SIGCHLD
, &sa
, NULL
)) {
3385 err (1, "sigaction");
3388 ret
= pthread_create (&state
.thread
, NULL
, mainloop
, NULL
);
3390 errx (1, "pthread_create: %s", strerror (ret
));
3393 CAMLreturn (Val_unit
);