1 /* lots of code c&p-ed directly from mupdf */
12 #include <sys/types.h>
13 #include <sys/ioctl.h>
16 #include <cygwin/socket.h> /* FIONREAD */
28 #include <caml/fail.h>
29 #include <caml/alloc.h>
30 #include <caml/memory.h>
31 #include <caml/unixsupport.h>
38 #include FT_FREETYPE_H
43 #define NORETURN __attribute__ ((noreturn))
44 #define UNUSED __attribute__ ((unused))
45 #define OPTIMIZE(n) __attribute__ ((optimize ("O"#n)))
46 #define GCC_FMT_ATTR(a, b) __attribute__ ((format (printf, a, b)))
51 #define GCC_FMT_ATTR(a, b)
57 #define FMT_ptr_cast(p) (p)
58 #define FMT_ptr_cast2(p) (p)
60 static void NORETURN
GCC_FMT_ATTR (2, 3)
61 err (int exitcode
, const char *fmt
, ...)
68 vfprintf (stderr
, fmt
, ap
);
70 fprintf (stderr
, ": %s\n", strerror (savederrno
));
75 static void NORETURN
GCC_FMT_ATTR (2, 3)
76 errx (int exitcode
, const char *fmt
, ...)
81 vfprintf (stderr
, fmt
, ap
);
88 #ifndef GL_TEXTURE_RECTANGLE_ARB
89 #define GL_TEXTURE_RECTANGLE_ARB 0x84F5
93 #define GL_BGRA 0x80E1
96 #ifndef GL_UNSIGNED_INT_8_8_8_8
97 #define GL_UNSIGNED_INT_8_8_8_8 0x8035
100 #ifndef GL_UNSIGNED_INT_8_8_8_8_REV
101 #define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
105 #define lprintf printf
110 #define ARSERT(cond) for (;;) { \
112 errx (1, "%s:%d " #cond, __FILE__, __LINE__); \
127 struct slice slices
[1];
138 fz_matrix ctm
, zoomctm
, lctm
, tctm
;
146 enum { DPDF
, DXPS
, DCBZ
};
160 fz_display_list
*dlist
;
162 struct slink
*slinks
;
167 void (*freepage
) (void *);
173 struct pagedim
*pagedims
;
192 fz_colorspace
*colorspace
;
214 void (*closedoc
) (void);
215 void (*freepage
) (void *);
218 static void UNUSED
debug_rect (const char *cap
, fz_rect r
)
220 printf ("%s(rect) %.2f,%.2f,%.2f,%.2f\n", cap
, r
.x0
, r
.y0
, r
.x1
, r
.y1
);
223 static void UNUSED
debug_bbox (const char *cap
, fz_bbox r
)
225 printf ("%s(bbox) %d,%d,%d,%d\n", cap
, r
.x0
, r
.y0
, r
.x1
, r
.y1
);
228 static void UNUSED
debug_matrix (const char *cap
, fz_matrix m
)
230 printf ("%s(matrix) %.2f,%.2f,%.2f,%.2f %.2f %.2f\n", cap
,
231 m
.a
, m
.b
, m
.c
, m
.d
, m
.e
, m
.f
);
234 static pthread_mutex_t mutex
= PTHREAD_MUTEX_INITIALIZER
;
236 static void lock (const char *cap
)
238 int ret
= pthread_mutex_lock (&mutex
);
240 errx (1, "%s: pthread_mutex_lock: %s", cap
, strerror (ret
));
244 static void unlock (const char *cap
)
246 int ret
= pthread_mutex_unlock (&mutex
);
248 errx (1, "%s: pthread_mutex_unlock: %s", cap
, strerror (ret
));
252 static int trylock (const char *cap
)
254 int ret
= pthread_mutex_trylock (&mutex
);
256 if (ret
&& ret
!= EBUSY
) {
257 errx (1, "%s: pthread_mutex_trylock: %s", cap
, strerror (ret
));
262 static void *parse_pointer (const char *cap
, const char *s
)
267 ret
= sscanf (s
, "%" FMT_ptr
, FMT_ptr_cast (&ptr
));
269 errx (1, "%s: cannot parse pointer in `%s'", cap
, s
);
274 static double now (void)
278 if (gettimeofday (&tv
, NULL
)) {
279 err (1, "gettimeofday");
281 return tv
.tv_sec
+ tv
.tv_usec
*1e-6;
284 static int hasdata (void)
287 ret
= ioctl (state
.cr
, FIONREAD
, &avail
);
288 if (ret
) err (1, "hasdata: FIONREAD error ret=%d", ret
);
292 CAMLprim value
ml_hasdata (value fd_v
)
297 ret
= ioctl (Int_val (fd_v
), FIONREAD
, &avail
);
298 if (ret
) uerror ("ioctl (FIONREAD)", Nothing
);
299 CAMLreturn (Val_bool (avail
> 0));
302 static void readdata (void *p
, int size
)
306 n
= read (state
.cr
, p
, size
);
308 if (!n
) errx (1, "EOF while reading");
309 err (1, "read (req %d, ret %zd)", size
, n
);
313 static void writedata (char *p
, int size
)
318 buf
[0] = (size
>> 24) & 0xff;
319 buf
[1] = (size
>> 16) & 0xff;
320 buf
[2] = (size
>> 8) & 0xff;
321 buf
[3] = (size
>> 0) & 0xff;
323 n
= write (state
.cw
, buf
, 4);
325 if (!n
) errx (1, "EOF while writing length");
326 err (1, "write %zd", n
);
329 n
= write (state
.cw
, p
, size
);
331 if (!n
) errx (1, "EOF while writing data");
332 err (1, "write (req %d, ret %zd)", size
, n
);
336 static int readlen (void)
341 return (p
[0] << 24) | (p
[1] << 16) | (p
[2] << 8) | p
[3];
344 static void GCC_FMT_ATTR (1, 2) printd (const char *fmt
, ...)
352 if (!buf
) err (errno
, "malloc for temp buf (%d bytes) failed", size
);
355 len
= vsnprintf (buf
, size
, fmt
, ap
);
358 if (len
> -1 && len
< size
) {
359 writedata (buf
, len
);
369 buf
= realloc (buf
, size
);
374 static void closepdf (void)
377 pdf_close_document (state
.u
.pdf
);
382 static void closexps (void)
385 xps_close_document (state
.u
.xps
);
390 static void closecbz (void)
393 cbz_close_document (state
.u
.cbz
);
398 static void freepdfpage (void *ptr
)
400 pdf_free_page (state
.u
.pdf
, ptr
);
403 static void freexpspage (void *ptr
)
405 xps_free_page (state
.u
.xps
, ptr
);
408 static void freecbzpage (void *ptr
)
410 cbz_free_page (state
.u
.cbz
, ptr
);
413 static void openxref (char *filename
, char *password
)
417 for (i
= 0; i
< state
.texcount
; ++i
) {
418 state
.texowners
[i
].w
= -1;
419 state
.texowners
[i
].slice
= NULL
;
422 if (state
.closedoc
) state
.closedoc ();
424 len
= strlen (filename
);
430 ext
[0] = tolower ((int) filename
[len
-3]);
431 ext
[1] = tolower ((int) filename
[len
-2]);
432 ext
[2] = tolower ((int) filename
[len
-1]);
434 /**/ if (ext
[0] == 'x' && ext
[1] == 'p' && ext
[2] == 's') {
437 else if (ext
[0] == 'c' && ext
[1] == 'b' && ext
[2] == 'z') {
442 if (state
.pagedims
) {
443 free (state
.pagedims
);
444 state
.pagedims
= NULL
;
446 state
.pagedimcount
= 0;
448 fz_set_aa_level (state
.ctx
, state
.aalevel
);
449 switch (state
.type
) {
451 state
.u
.pdf
= pdf_open_document (state
.ctx
, filename
);
452 if (pdf_needs_password (state
.u
.pdf
)) {
453 int okay
= pdf_authenticate_password (state
.u
.pdf
, password
);
455 errx (1, "invalid password");
458 state
.pagecount
= pdf_count_pages (state
.u
.pdf
);
459 state
.closedoc
= closepdf
;
460 state
.freepage
= freepdfpage
;
464 state
.u
.xps
= xps_open_document (state
.ctx
, filename
);
465 state
.pagecount
= xps_count_pages (state
.u
.xps
);
466 state
.closedoc
= closexps
;
467 state
.freepage
= freexpspage
;
471 state
.u
.cbz
= cbz_open_document (state
.ctx
, filename
);
472 state
.pagecount
= cbz_count_pages (state
.u
.cbz
);
473 state
.closedoc
= closecbz
;
474 state
.freepage
= freecbzpage
;
479 static void pdfinfo (void)
481 if (state
.type
== DPDF
) {
484 printd ("info PDF version\t%d.%d",
485 state
.u
.pdf
->version
/ 10, state
.u
.pdf
->version
% 10);
487 infoobj
= pdf_dict_gets (state
.u
.pdf
->trailer
, "Info");
491 char *items
[] = { "Title", "Author", "Creator",
492 "Producer", "CreationDate" };
494 for (i
= 0; i
< sizeof (items
) / sizeof (*items
); ++i
) {
495 pdf_obj
*obj
= pdf_dict_gets (infoobj
, items
[i
]);
496 s
= pdf_to_utf8 (state
.ctx
, obj
);
499 printd ("title %s", s
);
501 printd ("info %s\t%s", items
[i
], s
);
503 fz_free (state
.ctx
, s
);
510 static void unlinktile (struct tile
*tile
)
514 for (i
= 0; i
< tile
->slicecount
; ++i
) {
515 struct slice
*s
= &tile
->slices
[i
];
517 if (s
->texindex
!= -1) {
518 if (state
.texowners
[s
->texindex
].slice
== s
) {
519 state
.texowners
[s
->texindex
].slice
= NULL
;
525 static void freepage (struct page
*page
)
528 fz_free_text_span (state
.ctx
, page
->text
);
533 page
->freepage (page
->u
.ptr
);
534 fz_free_display_list (state
.ctx
, page
->dlist
);
538 static void freetile (struct tile
*tile
)
542 fz_drop_pixmap (state
.ctx
, tile
->pixmap
);
545 fz_drop_pixmap (state
.ctx
, state
.pig
);
547 state
.pig
= tile
->pixmap
;
555 static int cacheline32bytes
;
556 extern char **environ
;
558 static void __attribute__ ((constructor
)) clcheck (void)
560 char **envp
= environ
;
565 for (auxv
= (unsigned long *) envp
; *auxv
!= 0; auxv
+= 2) {
567 cacheline32bytes
= auxv
[1] == 32;
573 static void OPTIMIZE (3) clearpixmap (fz_pixmap
*pixmap
)
575 if (cacheline32bytes
) {
576 intptr_t a1
, a2
, diff
;
577 size_t sizea
, i
, size
= pixmap
->w
* pixmap
->h
* pixmap
->n
;
578 vector
unsigned char v
= vec_splat_u8 (-1);
579 vector
unsigned char *p
;
581 a1
= a2
= (intptr_t) pixmap
->samples
;
582 a2
= (a1
+ 31) & ~31;
587 while (a1
!= a2
) *(char *) a1
++ = 0xff;
588 for (i
= 0; i
< (sizea
& ~31); i
+= 32) {
589 __asm
volatile ("dcbz %0, %1"::"b"(a2
),"r"(i
));
591 vec_st (v
, i
+ 16, p
);
593 while (i
< sizea
) *((char *) a1
+ i
++) = 0xff;
595 else fz_clear_pixmap_with_value (state
.ctx
, pixmap
, 0xff);
598 #define clearpixmap(p) fz_clear_pixmap_with_value (state.ctx, p, 0xff)
601 static fz_matrix
trimctm (pdf_page
*page
, int pindex
)
604 struct pagedim
*pdim
= &state
.pagedims
[pindex
];
606 if (!pdim
->tctmready
) {
607 if (state
.trimmargins
) {
610 ctm
= fz_concat (fz_rotate (-pdim
->rotate
), fz_scale (1, -1));
611 realbox
= fz_transform_rect (ctm
, pdim
->mediabox
);
612 ctm
= fz_concat (ctm
, fz_translate (-realbox
.x0
, -realbox
.y0
));
613 ctm
= fz_concat (fz_invert_matrix (page
->ctm
), ctm
);
624 static fz_matrix
pagectm (struct page
*page
)
626 if (page
->type
== DPDF
) {
627 return fz_concat (trimctm (page
->u
.pdfpage
, page
->pdimno
),
628 state
.pagedims
[page
->pdimno
].ctm
);
632 struct pagedim
*pdim
= &state
.pagedims
[page
->pdimno
];
634 ctm
= state
.pagedims
[page
->pdimno
].ctm
;
635 ctm
= fz_concat (fz_translate (-pdim
->mediabox
.x0
,
636 -pdim
->mediabox
.y0
), ctm
);
641 static void *loadpage (int pageno
, int pindex
)
644 struct page
*page
= NULL
;
646 page
= calloc (sizeof (struct page
), 1);
648 err (1, "calloc page %d", pageno
);
651 page
->dlist
= fz_new_display_list (state
.ctx
);
652 dev
= fz_new_list_device (state
.ctx
, page
->dlist
);
653 switch (state
.type
) {
655 page
->u
.pdfpage
= pdf_load_page (state
.u
.pdf
, pageno
);
656 pdf_run_page (state
.u
.pdf
, page
->u
.pdfpage
, dev
, fz_identity
, NULL
);
657 page
->freepage
= freepdfpage
;
661 page
->u
.xpspage
= xps_load_page (state
.u
.xps
, pageno
);
662 xps_run_page (state
.u
.xps
, page
->u
.xpspage
, dev
, fz_identity
, NULL
);
663 page
->freepage
= freexpspage
;
667 page
->u
.cbzpage
= cbz_load_page (state
.u
.cbz
, pageno
);
668 cbz_run_page (state
.u
.cbz
, page
->u
.cbzpage
, dev
, fz_identity
, NULL
);
669 page
->freepage
= freecbzpage
;
672 fz_free_device (dev
);
674 page
->pdimno
= pindex
;
675 page
->pageno
= pageno
;
676 page
->gen
= state
.gen
;
677 page
->type
= state
.type
;
682 static struct tile
*alloctile (int h
)
689 slicecount
= (h
+ state
.sliceheight
- 1) / state
.sliceheight
;
690 tilesize
= sizeof (*tile
) + ((slicecount
- 1) * sizeof (struct slice
));
691 tile
= calloc (tilesize
, 1);
693 err (1, "can not allocate tile (%" FMT_s
" bytes)", tilesize
);
695 for (i
= 0; i
< slicecount
; ++i
) {
696 int sh
= MIN (h
, state
.sliceheight
);
697 tile
->slices
[i
].h
= sh
;
698 tile
->slices
[i
].texindex
= -1;
701 tile
->slicecount
= slicecount
;
702 tile
->sliceheight
= state
.sliceheight
;
711 static void obs_fill_image (fz_device
*dev
, fz_image
*image
, fz_matrix ctm
,
714 struct obs
*obs
= dev
->user
;
716 if (!obs
->cured
&& fabs (1.0 - alpha
) < 1e6
) {
717 fz_bbox b
= fz_round_rect (fz_transform_rect (ctm
, fz_unit_rect
));
718 b
= fz_intersect_bbox (b
, obs
->b
);
719 obs
->cured
= b
.x0
== obs
->b
.x0
722 && b
.y1
== obs
->b
.y1
;
726 static int obscured (struct page
*page
, fz_bbox bbox
)
731 memset (&dev
, 0, sizeof (dev
));
732 memset (&obs
, 0, sizeof (obs
));
736 dev
.fill_image
= obs_fill_image
;
738 fz_run_display_list (page
->dlist
, &dev
, pagectm (page
), bbox
, NULL
);
742 static struct tile
*rendertile (struct page
*page
, int x
, int y
, int w
, int h
)
747 struct pagedim
*pdim
;
749 tile
= alloctile (h
);
750 pdim
= &state
.pagedims
[page
->pdimno
];
755 bbox
.x1
= bbox
.x0
+ w
;
756 bbox
.y1
= bbox
.y0
+ h
;
759 if (state
.pig
->w
== w
761 && state
.pig
->colorspace
== state
.colorspace
) {
762 tile
->pixmap
= state
.pig
;
763 tile
->pixmap
->x
= bbox
.x0
;
764 tile
->pixmap
->y
= bbox
.y0
;
767 fz_drop_pixmap (state
.ctx
, state
.pig
);
773 fz_new_pixmap_with_rect (state
.ctx
, state
.colorspace
, bbox
);
778 if ((w
< 128 && h
< 128) || !obscured (page
, bbox
)) {
779 clearpixmap (tile
->pixmap
);
781 dev
= fz_new_draw_device (state
.ctx
, tile
->pixmap
);
782 fz_run_display_list (page
->dlist
, dev
, pagectm (page
), bbox
, NULL
);
783 fz_free_device (dev
);
788 static void initpdims (void)
794 for (pageno
= 0; pageno
< state
.pagecount
; ++pageno
) {
799 switch (state
.type
) {
801 pdf_obj
*pageobj
= state
.u
.pdf
->page_objs
[pageno
];
803 if (state
.trimmargins
) {
807 page
= pdf_load_page (state
.u
.pdf
, pageno
);
808 obj
= pdf_dict_gets (pageobj
, "llpp.TrimBox");
809 if (state
.trimanew
|| !obj
) {
815 dev
= fz_new_bbox_device (state
.ctx
, &bbox
);
816 dev
->hints
|= FZ_IGNORE_SHADE
;
817 ctm
= fz_invert_matrix (page
->ctm
);
818 pdf_run_page (state
.u
.pdf
, page
, dev
, fz_identity
, NULL
);
819 fz_free_device (dev
);
821 rect
.x0
= bbox
.x0
+ state
.trimfuzz
.x0
;
822 rect
.x1
= bbox
.x1
+ state
.trimfuzz
.x1
;
823 rect
.y0
= bbox
.y0
+ state
.trimfuzz
.y0
;
824 rect
.y1
= bbox
.y1
+ state
.trimfuzz
.y1
;
825 rect
= fz_transform_rect (ctm
, rect
);
826 rect
= fz_intersect_rect (rect
, page
->mediabox
);
828 if (fz_is_empty_rect (rect
)) {
829 mediabox
= page
->mediabox
;
835 obj
= pdf_new_array (state
.ctx
, 4);
836 pdf_array_push (obj
, pdf_new_real (state
.ctx
, mediabox
.x0
));
837 pdf_array_push (obj
, pdf_new_real (state
.ctx
, mediabox
.y0
));
838 pdf_array_push (obj
, pdf_new_real (state
.ctx
, mediabox
.x1
));
839 pdf_array_push (obj
, pdf_new_real (state
.ctx
, mediabox
.y1
));
840 pdf_dict_puts (pageobj
, "llpp.TrimBox", obj
);
843 mediabox
.x0
= pdf_to_real (pdf_array_get (obj
, 0));
844 mediabox
.y0
= pdf_to_real (pdf_array_get (obj
, 1));
845 mediabox
.x1
= pdf_to_real (pdf_array_get (obj
, 2));
846 mediabox
.y1
= pdf_to_real (pdf_array_get (obj
, 3));
849 rotate
= page
->rotate
;
850 pdf_free_page (state
.u
.pdf
, page
);
852 printd ("progress %f Trimming %d",
853 (double) (pageno
+ 1) / state
.pagecount
,
859 mediabox
= pdf_to_rect (state
.ctx
,
860 pdf_dict_gets (pageobj
, "MediaBox"));
861 if (fz_is_empty_rect (mediabox
)) {
862 fprintf (stderr
, "cannot find page size for page %d\n",
870 cropbox
= pdf_to_rect (state
.ctx
,
871 pdf_dict_gets (pageobj
, "CropBox"));
872 if (!fz_is_empty_rect (cropbox
)) {
873 mediabox
= fz_intersect_rect (mediabox
, cropbox
);
875 rotate
= pdf_to_int (pdf_dict_gets (pageobj
, "Rotate"));
884 page
= xps_load_page (state
.u
.xps
, pageno
);
885 mediabox
= xps_bound_page (state
.u
.xps
, page
);
887 if (state
.trimmargins
) {
892 dev
= fz_new_bbox_device (state
.ctx
, &bbox
);
893 dev
->hints
|= FZ_IGNORE_SHADE
;
894 xps_run_page (state
.u
.xps
, page
, dev
, fz_identity
, NULL
);
895 fz_free_device (dev
);
897 rect
.x0
= bbox
.x0
+ state
.trimfuzz
.x0
;
898 rect
.x1
= bbox
.x1
+ state
.trimfuzz
.x1
;
899 rect
.y0
= bbox
.y0
+ state
.trimfuzz
.y0
;
900 rect
.y1
= bbox
.y1
+ state
.trimfuzz
.y1
;
901 rect
= fz_intersect_rect (rect
, mediabox
);
903 if (!fz_is_empty_rect (rect
)) {
907 xps_free_page (state
.u
.xps
, page
);
908 printd ("progress %f loading %d",
909 (double) (pageno
+ 1) / state
.pagecount
,
917 if (state
.trimmargins
) {
920 page
= cbz_load_page (state
.u
.cbz
, pageno
);
921 mediabox
= cbz_bound_page (state
.u
.cbz
, page
);
922 cbz_free_page (state
.u
.cbz
, page
);
923 printd ("progress %f Trimming %d",
924 (double) (pageno
+ 1) / state
.pagecount
,
928 mediabox
.x0
= mediabox
.y0
= 0;
936 ARSERT (0 && state
.type
);
939 if (state
.pagedimcount
== 0
940 || (p
= &state
.pagedims
[state
.pagedimcount
-1], p
->rotate
!= rotate
)
941 || memcmp (&p
->mediabox
, &mediabox
, sizeof (mediabox
))) {
944 size
= (state
.pagedimcount
+ 1) * sizeof (*state
.pagedims
);
945 state
.pagedims
= realloc (state
.pagedims
, size
);
946 if (!state
.pagedims
) {
947 err (1, "realloc pagedims to %" FMT_s
" (%d elems)",
948 size
, state
.pagedimcount
+ 1);
951 p
= &state
.pagedims
[state
.pagedimcount
++];
953 p
->mediabox
= mediabox
;
958 if (state
.trimmargins
) {
959 printd ("progress 1 Trimmed %d pages in %f seconds",
960 state
.pagecount
, end
- start
);
963 printd ("vmsg Processed %d pages in %f seconds",
964 state
.pagecount
, end
- start
);
969 static void layout (void)
974 double zoom
, w
, maxw
= 0;
975 struct pagedim
*p
= state
.pagedims
;
977 if (state
.proportional
) {
978 for (pindex
= 0; pindex
< state
.pagedimcount
; ++pindex
, ++p
) {
979 box
= fz_transform_rect (fz_rotate (p
->rotate
+ state
.rotate
),
982 maxw
= MAX (w
, maxw
);
987 for (pindex
= 0; pindex
< state
.pagedimcount
; ++pindex
, ++p
) {
990 ctm
= fz_rotate (state
.rotate
);
991 box
= fz_transform_rect (fz_rotate (p
->rotate
+ state
.rotate
),
995 if (state
.proportional
) {
996 double scale
= w
/ maxw
;
997 zoom
= (state
.w
/ w
) * scale
;
1003 p
->zoomctm
= fz_scale (zoom
, zoom
);
1004 ctm
= fz_concat (p
->zoomctm
, ctm
);
1006 p
->pagebox
= fz_transform_rect (fz_rotate (p
->rotate
), p
->mediabox
);
1007 p
->pagebox
.x1
-= p
->pagebox
.x0
;
1008 p
->pagebox
.y1
-= p
->pagebox
.y0
;
1011 bbox
= fz_round_rect (fz_transform_rect (ctm
, p
->pagebox
));
1014 p
->left
= state
.proportional
? ((maxw
- w
) * zoom
) / 2.0 : 0;
1018 ctm
= fz_concat (ctm
, fz_translate (0, -p
->mediabox
.y1
));
1019 ctm
= fz_concat (ctm
, fz_scale (zoom
, -zoom
));
1020 ctm
= fz_concat (ctm
, fz_rotate (p
->rotate
+ state
.rotate
));
1026 while (p
-- != state
.pagedims
) {
1027 int x0
= MIN (p
->bounds
.x0
, p
->bounds
.x1
);
1028 int y0
= MIN (p
->bounds
.y0
, p
->bounds
.y1
);
1029 int x1
= MAX (p
->bounds
.x0
, p
->bounds
.x1
);
1030 int y1
= MAX (p
->bounds
.y0
, p
->bounds
.y1
);
1034 printd ("pdim %d %d %d %d", p
->pageno
, w
, h
, p
->left
);
1038 static void recurse_outline (fz_outline
*outline
, int level
)
1043 struct pagedim
*pdim
= state
.pagedims
;
1045 dest
= &outline
->dest
;
1046 for (i
= 0; i
< state
.pagedimcount
; ++i
) {
1047 if (state
.pagedims
[i
].pageno
> dest
->ld
.gotor
.page
)
1049 pdim
= &state
.pagedims
[i
];
1051 if (dest
->ld
.gotor
.flags
& fz_link_flag_t_valid
) {
1054 p
.y
= dest
->ld
.gotor
.lt
.y
;
1055 p
= fz_transform_point (pdim
->lctm
, p
);
1058 if (dest
->ld
.gotor
.page
>= 0 && dest
->ld
.gotor
.page
< 1<<30) {
1062 y0
= MIN (pdim
->bounds
.y0
, pdim
->bounds
.y1
);
1063 y1
= MAX (pdim
->bounds
.y0
, pdim
->bounds
.y1
);
1065 printd ("o %d %d %d %d %s",
1066 level
, dest
->ld
.gotor
.page
, top
, h
, outline
->title
);
1068 if (outline
->down
) {
1069 recurse_outline (outline
->down
, level
+ 1);
1071 outline
= outline
->next
;
1075 static void process_outline (void)
1077 fz_outline
*outline
;
1079 if (!state
.needoutline
) return;
1081 state
.needoutline
= 0;
1082 switch (state
.type
) {
1084 outline
= pdf_load_outline (state
.u
.pdf
);
1087 outline
= xps_load_outline (state
.u
.xps
);
1094 recurse_outline (outline
, 0);
1095 fz_free_outline (state
.ctx
, outline
);
1099 static int comparespans (const void *l
, const void *r
)
1101 fz_text_span
const *const*ls
= l
;
1102 fz_text_span
const *const*rs
= r
;
1103 return (*ls
)->text
->bbox
.y0
- (*rs
)->text
->bbox
.y0
;
1106 /* wishful thinking function */
1107 static void search (regex_t
*re
, int pageno
, int y
, int forward
)
1115 union { void *ptr
; pdf_page
*pdfpage
; xps_page
*xpspage
; } u
;
1116 fz_text_span
*text
, *span
, **pspan
;
1117 struct pagedim
*pdim
, *pdimprev
;
1123 if (!(state
.type
== DPDF
|| state
.type
== DXPS
))
1127 while (pageno
>= 0 && pageno
< state
.pagecount
&& !stop
) {
1128 if (niters
++ == 5) {
1131 printd ("progress 1 attention requested aborting search at %d",
1136 printd ("progress %f searching in page %d",
1137 (double) (pageno
+ 1) / state
.pagecount
,
1142 for (i
= 0; i
< state
.pagedimcount
; ++i
) {
1143 pdim
= &state
.pagedims
[i
];
1144 if (pdim
->pageno
== pageno
) {
1147 if (pdim
->pageno
> pageno
) {
1156 text
= fz_new_text_span (state
.ctx
);
1157 tdev
= fz_new_text_device (state
.ctx
, text
);
1159 switch (state
.type
) {
1161 u
.pdfpage
= pdf_load_page (state
.u
.pdf
, pageno
);
1162 pdf_run_page (state
.u
.pdf
, u
.pdfpage
, tdev
, fz_identity
, NULL
);
1166 u
.xpspage
= xps_load_page (state
.u
.xps
, pageno
);
1167 xps_run_page (state
.u
.xps
, u
.xpspage
, tdev
, fz_identity
, NULL
);
1171 ARSERT (0 && state
.type
);
1174 fz_free_device (tdev
);
1177 for (span
= text
; span
; span
= span
->next
) {
1180 pspan
= malloc (sizeof (void *) * nspans
);
1182 err (1, "malloc span pointers %" FMT_s
, sizeof (void *) * nspans
);
1184 for (i
= 0, span
= text
; span
; span
= span
->next
, ++i
) {
1187 qsort (pspan
, nspans
, sizeof (fz_text_span
*), comparespans
);
1189 j
= forward
? 0 : nspans
- 1;
1194 j
+= forward
? 1 : -1;
1196 for (i
= 0; i
< span
->len
; ++i
) {
1201 if (span
->text
[i
].bbox
.y0
< y
+ 1) {
1206 if (span
->text
[i
].bbox
.y0
> y
- 1) {
1210 len
= runetochar (cbuf
, &span
->text
[i
].c
);
1211 if (sizeof (buf
) - 1 - (p
- buf
) > len
) {
1213 for (k
= 0; k
< len
; ++k
)
1225 ret
= regexec (re
, buf
, 1, &rm
, 0);
1227 if (ret
!= REG_NOMATCH
) {
1230 size
= regerror (ret
, re
, errbuf
, sizeof (errbuf
));
1231 printd ("msg regexec error `%.*s'",
1232 (int) size
, errbuf
);
1233 fz_free_text_span (state
.ctx
, text
);
1234 state
.freepage (u
.ptr
);
1241 fz_point p1
, p2
, p3
, p4
;
1245 for (a
= 0, c
= 0; c
< rm
.rm_so
&& a
< l
; a
++) {
1246 c
+= runelen (span
->text
[a
].c
);
1248 for (b
= a
; c
< rm
.rm_eo
- 1 && b
< l
; b
++) {
1249 c
+= runelen (span
->text
[b
].c
);
1252 if (runelen (span
->text
[b
].c
) > 1) {
1255 sb
= &span
->text
[MIN (a
, l
-1)].bbox
;
1256 eb
= &span
->text
[MIN (b
, l
-1)].bbox
;
1267 switch (state
.type
) {
1269 trimctm (u
.pdfpage
, pdim
- state
.pagedims
);
1270 ctm
= fz_concat (pdim
->tctm
, pdim
->zoomctm
);
1278 p1
= fz_transform_point (ctm
, p1
);
1279 p2
= fz_transform_point (ctm
, p2
);
1280 p3
= fz_transform_point (ctm
, p3
);
1281 p4
= fz_transform_point (ctm
, p4
);
1284 printd ("firstmatch %d %d %f %f %f %f %f %f %f %f",
1291 printd ("progress 1 found at %d `%.*s' in %f sec",
1292 pageno
, (int) (rm
.rm_eo
- rm
.rm_so
), &buf
[rm
.rm_so
],
1296 printd ("match %d %d %f %f %f %f %f %f %f %f",
1314 fz_free_text_span (state
.ctx
, text
);
1315 state
.freepage (u
.ptr
);
1320 printd ("progress 1 no matches %f sec", end
- start
);
1322 printd ("clearrects");
1325 static void set_tex_params (int colorspace
)
1327 switch (colorspace
) {
1329 state
.texiform
= GL_RGBA8
;
1330 state
.texform
= GL_RGBA
;
1331 state
.texty
= GL_UNSIGNED_BYTE
;
1332 state
.colorspace
= fz_device_rgb
;
1335 state
.texiform
= GL_RGBA8
;
1336 state
.texform
= GL_BGRA
;
1337 state
.texty
= fz_is_big_endian ()
1338 ? GL_UNSIGNED_INT_8_8_8_8
1339 : GL_UNSIGNED_INT_8_8_8_8_REV
;
1340 state
.colorspace
= fz_device_bgr
;
1343 state
.texiform
= GL_LUMINANCE_ALPHA
;
1344 state
.texform
= GL_LUMINANCE_ALPHA
;
1345 state
.texty
= GL_UNSIGNED_BYTE
;
1346 state
.colorspace
= fz_device_gray
;
1349 errx (1, "invalid colorspce %d", colorspace
);
1353 static void realloctexts (int texcount
)
1357 if (texcount
== state
.texcount
) return;
1359 if (texcount
< state
.texcount
) {
1360 glDeleteTextures (state
.texcount
- texcount
,
1361 state
.texids
+ texcount
);
1364 size
= texcount
* sizeof (*state
.texids
);
1365 state
.texids
= realloc (state
.texids
, size
);
1366 if (!state
.texids
) {
1367 err (1, "realloc texids %" FMT_s
, size
);
1370 size
= texcount
* sizeof (*state
.texowners
);
1371 state
.texowners
= realloc (state
.texowners
, size
);
1372 if (!state
.texowners
) {
1373 err (1, "realloc texowners %" FMT_s
, size
);
1375 if (texcount
> state
.texcount
) {
1378 glGenTextures (texcount
- state
.texcount
,
1379 state
.texids
+ state
.texcount
);
1380 for (i
= state
.texcount
; i
< texcount
; ++i
) {
1381 state
.texowners
[i
].w
= -1;
1382 state
.texowners
[i
].slice
= NULL
;
1385 state
.texcount
= texcount
;
1389 static void * mainloop (void *unused
)
1392 int len
, ret
, oldlen
= 0;
1397 errx (1, "readlen returned 0");
1400 if (oldlen
< len
+ 1) {
1401 p
= realloc (p
, len
+ 1);
1403 err (1, "realloc %d failed", len
+ 1);
1410 if (!strncmp ("open", p
, 4)) {
1413 char *filename
= p
+ 5;
1415 filenamelen
= strlen (filename
);
1416 password
= filename
+ filenamelen
+ 1;
1418 openxref (filename
, password
);
1421 printd ("msg Opened %s (press h/F1 to get help)", filename
);
1422 state
.needoutline
= 1;
1424 else if (!strncmp ("cs", p
, 2)) {
1427 ret
= sscanf (p
+ 2, " %d", &colorspace
);
1429 errx (1, "malformed cs `%.*s' ret=%d", len
, p
, ret
);
1432 set_tex_params (colorspace
);
1433 for (i
= 0; i
< state
.texcount
; ++i
) {
1434 state
.texowners
[i
].w
= -1;
1435 state
.texowners
[i
].slice
= NULL
;
1439 else if (!strncmp ("freepage", p
, 8)) {
1442 ret
= sscanf (p
+ 8, " %" FMT_ptr
, FMT_ptr_cast (&ptr
));
1444 errx (1, "malformed freepage `%.*s' ret=%d", len
, p
, ret
);
1448 else if (!strncmp ("freetile", p
, 8)) {
1451 ret
= sscanf (p
+ 8, " %" FMT_ptr
, FMT_ptr_cast (&ptr
));
1453 errx (1, "malformed freetile `%.*s' ret=%d", len
, p
, ret
);
1457 else if (!strncmp ("search", p
, 6)) {
1458 int icase
, pageno
, y
, ret
, len2
, forward
;
1462 ret
= sscanf (p
+ 6, " %d %d %d %d,%n",
1463 &icase
, &pageno
, &y
, &forward
, &len2
);
1465 errx (1, "malformed search `%s' ret=%d", p
, ret
);
1468 pattern
= p
+ 6 + len2
;
1469 ret
= regcomp (&re
, pattern
,
1470 REG_EXTENDED
| (icase
? REG_ICASE
: 0));
1475 size
= regerror (ret
, &re
, errbuf
, sizeof (errbuf
));
1476 printd ("msg regcomp failed `%.*s'", (int) size
, errbuf
);
1479 search (&re
, pageno
, y
, forward
);
1483 else if (!strncmp ("geometry", p
, 8)) {
1487 ret
= sscanf (p
+ 8, " %d %d", &w
, &h
);
1489 errx (1, "malformed geometry `%.*s' ret=%d", len
, p
, ret
);
1497 for (i
= 0; i
< state
.texcount
; ++i
) {
1498 state
.texowners
[i
].slice
= NULL
;
1504 unlock ("geometry");
1505 printd ("continue %d", state
.pagecount
);
1507 else if (!strncmp ("reqlayout", p
, 9)) {
1508 int rotate
, proportional
;
1511 ret
= sscanf (p
+ 9, " %d %d", &rotate
, &proportional
);
1513 errx (1, "bad reqlayout line `%.*s' ret=%d", len
, p
, ret
);
1516 if (state
.rotate
!= rotate
|| state
.proportional
!= proportional
) {
1519 state
.rotate
= rotate
;
1520 state
.proportional
= proportional
;
1524 unlock ("reqlayout");
1525 printd ("continue %d", state
.pagecount
);
1527 else if (!strncmp ("page", p
, 4)) {
1530 int pageno
, pindex
, ret
;
1532 ret
= sscanf (p
+ 4, " %d %d", &pageno
, &pindex
);
1534 errx (1, "bad render line `%.*s' ret=%d", len
, p
, ret
);
1539 page
= loadpage (pageno
, pindex
);
1543 printd ("page %" FMT_ptr
" %f", FMT_ptr_cast2 (page
), b
- a
);
1545 else if (!strncmp ("tile", p
, 4)) {
1546 int x
, y
, w
, h
, ret
;
1551 ret
= sscanf (p
+ 4, " %" FMT_ptr
" %d %d %d %d",
1552 FMT_ptr_cast (&page
), &x
, &y
, &w
, &h
);
1554 errx (1, "bad tile line `%.*s' ret=%d", len
, p
, ret
);
1559 tile
= rendertile (page
, x
, y
, w
, h
);
1563 printd ("tile %d %d %" FMT_ptr
" %u %f",
1565 FMT_ptr_cast2 (tile
),
1566 tile
->w
* tile
->h
* tile
->pixmap
->n
,
1569 else if (!strncmp ("settrim", p
, 7)) {
1573 ret
= sscanf (p
+ 7, " %d %d %d %d %d", &trimmargins
,
1574 &fuzz
.x0
, &fuzz
.y0
, &fuzz
.x1
, &fuzz
.y1
);
1576 errx (1, "malformed settrim `%.*s' ret=%d", len
, p
, ret
);
1580 state
.trimmargins
= trimmargins
;
1581 state
.needoutline
= 1;
1582 if (memcmp (&fuzz
, &state
.trimfuzz
, sizeof (fuzz
))) {
1584 state
.trimfuzz
= fuzz
;
1586 state
.pagedimcount
= 0;
1587 free (state
.pagedims
);
1588 state
.pagedims
= NULL
;
1593 printd ("continue %d", state
.pagecount
);
1595 else if (!strncmp ("sliceh", p
, 6)) {
1598 ret
= sscanf (p
+ 6, " %d", &h
);
1600 errx (1, "malformed sliceh `%.*s' ret=%d", len
, p
, ret
);
1602 if (h
!= state
.sliceheight
) {
1605 state
.sliceheight
= h
;
1606 for (i
= 0; i
< state
.texcount
; ++i
) {
1607 state
.texowners
[i
].w
= -1;
1608 state
.texowners
[i
].h
= -1;
1609 state
.texowners
[i
].slice
= NULL
;
1613 else if (!strncmp ("interrupt", p
, 9)) {
1614 printd ("vmsg interrupted");
1617 errx (1, "unknown command %.*s", len
, p
);
1623 CAMLprim value
ml_realloctexts (value texcount_v
)
1625 CAMLparam1 (texcount_v
);
1628 if (trylock ("ml_realloctexts")) {
1632 realloctexts (Int_val (texcount_v
));
1634 unlock ("ml_realloctexts");
1637 CAMLreturn (Val_bool (ok
));
1640 static void showsel (struct page
*page
, int ox
, int oy
)
1644 struct mark first
, last
;
1646 first
= page
->fmark
;
1649 if (!first
.span
|| !last
.span
) return;
1651 glEnable (GL_BLEND
);
1652 glBlendFunc (GL_SRC_ALPHA
, GL_SRC_ALPHA
);
1653 glColor4f (0.5f
, 0.5f
, 0.0f
, 0.6f
);
1655 ox
+= state
.pagedims
[page
->pdimno
].bounds
.x0
;
1656 oy
+= state
.pagedims
[page
->pdimno
].bounds
.y0
;
1657 for (span
= first
.span
; span
; span
= span
->next
) {
1660 bbox
.x0
= bbox
.y0
= bbox
.x1
= bbox
.y1
= 0;
1665 if (span
== page
->fmark
.span
&& span
== page
->lmark
.span
) {
1666 j
= MIN (first
.i
, last
.i
);
1667 k
= MAX (first
.i
, last
.i
);
1669 else if (span
== first
.span
) {
1672 else if (span
== last
.span
) {
1676 for (i
= j
; i
<= k
; ++i
) {
1677 bbox
= fz_union_bbox (bbox
, span
->text
[i
].bbox
);
1679 lprintf ("%d %d %d %d oy=%d ox=%d\n",
1686 glRecti (bbox
.x0
+ ox
, bbox
.y0
+ oy
, bbox
.x1
+ ox
, bbox
.y1
+ oy
);
1688 if (span
== last
.span
) break;
1690 glDisable (GL_BLEND
);
1695 static void highlightlinks (struct page
*page
, int xoff
, int yoff
)
1698 fz_link
*link
, *links
;
1700 switch (page
->type
) {
1702 links
= page
->u
.pdfpage
->links
;
1706 links
= page
->u
.xpspage
->links
;
1713 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
1714 glEnable (GL_LINE_STIPPLE
);
1715 glLineStipple (0.5, 0xcccc);
1717 xoff
-= state
.pagedims
[page
->pdimno
].bounds
.x0
;
1718 yoff
-= state
.pagedims
[page
->pdimno
].bounds
.y0
;
1719 ctm
= fz_concat (pagectm (page
), fz_translate (xoff
, yoff
));
1722 for (link
= links
; link
; link
= link
->next
) {
1723 fz_point p1
, p2
, p3
, p4
;
1725 p1
.x
= link
->rect
.x0
;
1726 p1
.y
= link
->rect
.y0
;
1728 p2
.x
= link
->rect
.x1
;
1729 p2
.y
= link
->rect
.y0
;
1731 p3
.x
= link
->rect
.x1
;
1732 p3
.y
= link
->rect
.y1
;
1734 p4
.x
= link
->rect
.x0
;
1735 p4
.y
= link
->rect
.y1
;
1737 p1
= fz_transform_point (ctm
, p1
);
1738 p2
= fz_transform_point (ctm
, p2
);
1739 p3
= fz_transform_point (ctm
, p3
);
1740 p4
= fz_transform_point (ctm
, p4
);
1742 switch (link
->dest
.kind
) {
1743 case FZ_LINK_GOTO
: glColor3ub (255, 0, 0); break;
1744 case FZ_LINK_URI
: glColor3ub (0, 0, 255); break;
1745 default: glColor3ub (0, 0, 0); break;
1748 glVertex2f (p1
.x
, p1
.y
);
1749 glVertex2f (p2
.x
, p2
.y
);
1750 glVertex2f (p3
.x
, p3
.y
);
1751 glVertex2f (p4
.x
, p4
.y
);
1755 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
1756 glDisable (GL_LINE_STIPPLE
);
1759 static int compareslinks (const void *l
, const void *r
)
1761 struct slink
const *ls
= l
;
1762 struct slink
const *rs
= r
;
1763 if (ls
->bbox
.y0
== rs
->bbox
.y0
) {
1764 return rs
->bbox
.x0
- rs
->bbox
.x0
;
1766 return ls
->bbox
.y0
- rs
->bbox
.y0
;
1769 static void droptext (struct page
*page
)
1772 fz_free_text_span (state
.ctx
, page
->text
);
1775 page
->fmark
.span
= NULL
;
1776 page
->lmark
.span
= NULL
;
1781 static void dropslinks (struct page
*page
)
1784 free (page
->slinks
);
1785 page
->slinks
= NULL
;
1786 page
->slinkcount
= 0;
1790 static void ensureslinks (struct page
*page
)
1794 size_t slinksize
= sizeof (*page
->slinks
);
1795 fz_link
*link
, *links
;
1797 if (state
.gen
!= page
->gen
) {
1800 page
->gen
= state
.gen
;
1802 if (page
->slinks
) return;
1804 switch (page
->type
) {
1806 links
= page
->u
.pdfpage
->links
;
1807 ctm
= fz_concat (trimctm (page
->u
.pdfpage
, page
->pdimno
),
1808 state
.pagedims
[page
->pdimno
].ctm
);
1812 links
= page
->u
.xpspage
->links
;
1813 ctm
= state
.pagedims
[page
->pdimno
].ctm
;
1820 for (link
= links
; link
; link
= link
->next
) {
1824 page
->slinkcount
= count
;
1825 page
->slinks
= calloc (count
, slinksize
);
1826 if (!page
->slinks
) {
1827 err (1, "realloc slinks %d", count
);
1830 for (i
= 0, link
= links
; link
; ++i
, link
= link
->next
) {
1831 page
->slinks
[i
].link
= link
;
1832 page
->slinks
[i
].bbox
=
1833 fz_round_rect (fz_transform_rect (ctm
, link
->rect
));
1835 qsort (page
->slinks
, count
, slinksize
, compareslinks
);
1839 /* slightly tweaked fmt_ulong by D.J. Bernstein */
1840 static void fmt_linkn (char *s
, unsigned int u
)
1842 unsigned int len
; unsigned int q
;
1843 int zma
= 'z' - 'a' + 1;
1845 while (q
> zma
- 1) { ++len
; q
/= zma
; }
1848 do { *--s
= 'a' + (u
% zma
); u
/= zma
; } while(u
); /* handles u == 0 */
1853 static void highlightslinks (struct page
*page
, int xoff
, int yoff
, int noff
)
1857 struct slink
*slink
;
1858 double x0
, y0
, x1
, y1
, w
;
1860 ensureslinks (page
);
1861 glColor3ub (0xc3, 0xb0, 0x91);
1862 for (i
= 0; i
< page
->slinkcount
; ++i
) {
1863 slink
= &page
->slinks
[i
];
1865 fmt_linkn (buf
, i
+ noff
);
1866 x0
= slink
->bbox
.x0
+ xoff
- 5;
1867 y1
= slink
->bbox
.y0
+ yoff
- 5;
1869 w
= measure_string (state
.face
, 12, buf
);
1871 glRectd (x0
, y0
, x1
, y1
);
1874 glEnable (GL_BLEND
);
1875 glEnable (GL_TEXTURE_2D
);
1876 glColor3ub (0, 0, 0);
1877 for (i
= 0; i
< page
->slinkcount
; ++i
) {
1878 slink
= &page
->slinks
[i
];
1880 fmt_linkn (buf
, i
+ noff
);
1881 x0
= slink
->bbox
.x0
+ xoff
;
1882 y0
= slink
->bbox
.y0
+ yoff
+ 12;
1883 draw_string (state
.face
, 12, x0
, y0
, buf
);
1885 glDisable (GL_TEXTURE_2D
);
1886 glDisable (GL_BLEND
);
1889 static void uploadslice (struct tile
*tile
, struct slice
*slice
)
1892 struct slice
*slice1
;
1895 for (slice1
= tile
->slices
; slice
!= slice1
; slice1
++) {
1896 offset
+= slice1
->h
* tile
->w
* tile
->pixmap
->n
;
1898 if (slice
->texindex
!= -1 && slice
->texindex
< state
.texcount
1899 && state
.texowners
[slice
->texindex
].slice
== slice
) {
1900 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[slice
->texindex
]);
1904 int texindex
= state
.texindex
++ % state
.texcount
;
1906 if (state
.texowners
[texindex
].w
== tile
->w
) {
1907 if (state
.texowners
[texindex
].h
>= slice
->h
) {
1911 state
.texowners
[texindex
].h
= slice
->h
;
1915 state
.texowners
[texindex
].h
= slice
->h
;
1918 state
.texowners
[texindex
].w
= tile
->w
;
1919 state
.texowners
[texindex
].slice
= slice
;
1920 slice
->texindex
= texindex
;
1922 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[texindex
]);
1924 glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB
,
1932 tile
->pixmap
->samples
+offset
1936 glTexImage2D (GL_TEXTURE_RECTANGLE_ARB
,
1944 tile
->pixmap
->samples
+offset
1950 CAMLprim value
ml_drawtile (value args_v
, value ptr_v
)
1952 CAMLparam2 (args_v
, ptr_v
);
1953 int dispx
= Int_val (Field (args_v
, 0));
1954 int dispy
= Int_val (Field (args_v
, 1));
1955 int dispw
= Int_val (Field (args_v
, 2));
1956 int disph
= Int_val (Field (args_v
, 3));
1957 int tilex
= Int_val (Field (args_v
, 4));
1958 int tiley
= Int_val (Field (args_v
, 5));
1959 char *s
= String_val (ptr_v
);
1960 struct tile
*tile
= parse_pointer ("ml_drawtile", s
);
1962 glEnable (GL_TEXTURE_RECTANGLE_ARB
);
1964 int slicey
, firstslice
;
1965 struct slice
*slice
;
1967 firstslice
= tiley
/ tile
->sliceheight
;
1968 slice
= &tile
->slices
[firstslice
];
1969 slicey
= tiley
% tile
->sliceheight
;
1974 dh
= slice
->h
- slicey
;
1975 dh
= MIN (disph
, dh
);
1976 uploadslice (tile
, slice
);
1980 glTexCoord2i (tilex
, slicey
);
1981 glVertex2i (dispx
, dispy
);
1983 glTexCoord2i (tilex
+dispw
, slicey
);
1984 glVertex2i (dispx
+dispw
, dispy
);
1986 glTexCoord2i (tilex
+dispw
, slicey
+dh
);
1987 glVertex2i (dispx
+dispw
, dispy
+dh
);
1989 glTexCoord2i (tilex
, slicey
+dh
);
1990 glVertex2i (dispx
, dispy
+dh
);
1997 ARSERT (!(slice
- tile
->slices
>= tile
->slicecount
&& disph
> 0));
2001 glDisable (GL_TEXTURE_RECTANGLE_ARB
);
2002 CAMLreturn (Val_unit
);
2005 CAMLprim value
ml_postprocess (value ptr_v
, value hlinks_v
,
2006 value xoff_v
, value yoff_v
,
2009 CAMLparam5 (ptr_v
, hlinks_v
, xoff_v
, yoff_v
, noff_v
);
2010 int xoff
= Int_val (xoff_v
);
2011 int yoff
= Int_val (yoff_v
);
2012 int noff
= Int_val (noff_v
);
2013 char *s
= String_val (ptr_v
);
2014 int hlmask
= Int_val (hlinks_v
);
2015 struct page
*page
= parse_pointer ("ml_postprocess", s
);
2017 if (hlmask
& 1) highlightlinks (page
, xoff
, yoff
);
2018 if (trylock ("ml_postprocess")) {
2023 highlightslinks (page
, xoff
, yoff
, noff
);
2024 noff
= page
->slinkcount
;
2026 showsel (page
, xoff
, yoff
);
2027 unlock ("ml_postprocess");
2030 CAMLreturn (Val_int (noff
));
2033 static fz_link
*getlink (struct page
*page
, int x
, int y
)
2037 fz_link
*link
, *links
;
2039 switch (page
->type
) {
2041 ctm
= trimctm (page
->u
.pdfpage
, page
->pdimno
);
2042 links
= page
->u
.pdfpage
->links
;
2047 links
= page
->u
.xpspage
->links
;
2056 ctm
= fz_concat (ctm
, state
.pagedims
[page
->pdimno
].ctm
);
2057 ctm
= fz_invert_matrix (ctm
);
2058 p
= fz_transform_point (ctm
, p
);
2060 for (link
= links
; link
; link
= link
->next
) {
2061 if (p
.x
>= link
->rect
.x0
&& p
.x
<= link
->rect
.x1
) {
2062 if (p
.y
>= link
->rect
.y0
&& p
.y
<= link
->rect
.y1
) {
2070 static void ensuretext (struct page
*page
)
2072 if (state
.gen
!= page
->gen
) {
2075 page
->gen
= state
.gen
;
2080 page
->text
= fz_new_text_span (state
.ctx
);
2081 tdev
= fz_new_text_device (state
.ctx
, page
->text
);
2082 fz_run_display_list (page
->dlist
,
2085 fz_infinite_bbox
, NULL
);
2086 fz_free_device (tdev
);
2090 CAMLprim value
ml_find_page_with_links (value start_page_v
, value dir_v
)
2092 CAMLparam2 (start_page_v
, dir_v
);
2094 int i
, dir
= Int_val (dir_v
);
2095 int start_page
= Int_val (start_page_v
);
2096 int end_page
= dir
> 0 ? state
.pagecount
: -1;
2098 ret_v
= Val_int (0);
2099 if (!(state
.type
== DPDF
|| state
.type
== DXPS
)) {
2103 lock ("ml_findpage_with_links");
2104 for (i
= start_page
+ dir
; i
!= end_page
; i
+= dir
) {
2107 switch (state
.type
) {
2110 pdf_page
*page
= pdf_load_page (state
.u
.pdf
, i
);
2111 found
= !!page
->links
;
2117 xps_page
*page
= xps_load_page (state
.u
.xps
, i
);
2118 found
= !!page
->links
;
2124 ARSERT ("invalid document type");
2128 ret_v
= caml_alloc_small (1, 1);
2129 Field (ret_v
, 0) = Val_int (i
);
2134 unlock ("ml_findpage_with_links");
2140 enum { dir_first
, dir_last
};
2141 enum { dir_first_visible
, dir_left
, dir_right
, dir_down
, dir_up
};
2143 CAMLprim value
ml_findlink (value ptr_v
, value dir_v
)
2145 CAMLparam2 (ptr_v
, dir_v
);
2146 CAMLlocal2 (ret_v
, pos_v
);
2148 int dirtag
, i
, slinkindex
;
2149 struct slink
*found
= NULL
,*slink
;
2150 char *s
= String_val (ptr_v
);
2152 page
= parse_pointer ("ml_findlink", s
);
2153 ensureslinks (page
);
2155 ret_v
= Val_int (0);
2156 if (Is_block (dir_v
)) {
2157 dirtag
= Tag_val (dir_v
);
2159 case dir_first_visible
:
2161 int x0
, y0
, dir
, first_index
, last_index
;
2163 pos_v
= Field (dir_v
, 0);
2164 x0
= Int_val (Field (pos_v
, 0));
2165 y0
= Int_val (Field (pos_v
, 1));
2166 dir
= Int_val (Field (pos_v
, 2));
2171 last_index
= page
->slinkcount
;
2174 first_index
= page
->slinkcount
- 1;
2178 for (i
= first_index
; i
!= last_index
; i
+= dir
) {
2179 slink
= &page
->slinks
[i
];
2180 if (slink
->bbox
.y0
>= y0
&& slink
->bbox
.x0
>= x0
) {
2189 slinkindex
= Int_val (Field (dir_v
, 0));
2190 found
= &page
->slinks
[slinkindex
];
2191 for (i
= slinkindex
- 1; i
>= 0; --i
) {
2192 slink
= &page
->slinks
[i
];
2193 if (slink
->bbox
.x0
< found
->bbox
.x0
) {
2201 slinkindex
= Int_val (Field (dir_v
, 0));
2202 found
= &page
->slinks
[slinkindex
];
2203 for (i
= slinkindex
+ 1; i
< page
->slinkcount
; ++i
) {
2204 slink
= &page
->slinks
[i
];
2205 if (slink
->bbox
.x0
> found
->bbox
.x0
) {
2213 slinkindex
= Int_val (Field (dir_v
, 0));
2214 found
= &page
->slinks
[slinkindex
];
2215 for (i
= slinkindex
+ 1; i
< page
->slinkcount
; ++i
) {
2216 slink
= &page
->slinks
[i
];
2217 if (slink
->bbox
.y0
>= found
->bbox
.y0
) {
2225 slinkindex
= Int_val (Field (dir_v
, 0));
2226 found
= &page
->slinks
[slinkindex
];
2227 for (i
= slinkindex
- 1; i
>= 0; --i
) {
2228 slink
= &page
->slinks
[i
];
2229 if (slink
->bbox
.y0
<= found
->bbox
.y0
) {
2238 dirtag
= Int_val (dir_v
);
2241 found
= page
->slinks
;
2246 found
= page
->slinks
+ (page
->slinkcount
- 1);
2252 ret_v
= caml_alloc_small (2, 1);
2253 Field (ret_v
, 0) = Val_int (found
- page
->slinks
);
2259 enum { uuri
, ugoto
, utext
, uunexpected
, ulaunch
, unamed
, uremote
};
2265 switch (link->dest.kind) { \
2266 case FZ_LINK_GOTO: \
2270 pageno = link->dest.ld.gotor.page; \
2274 if (link->dest.ld.gotor.flags & fz_link_flag_t_valid) { \
2275 p.y = link->dest.ld.gotor.lt.y; \
2276 p = fz_transform_point (pdim->lctm, p); \
2278 tup_v = caml_alloc_tuple (2); \
2279 ret_v = caml_alloc_small (1, ugoto); \
2280 Field (tup_v, 0) = Val_int (pageno); \
2281 Field (tup_v, 1) = Val_int (p.y); \
2282 Field (ret_v, 0) = tup_v; \
2287 str_v = caml_copy_string (link->dest.ld.uri.uri); \
2288 ret_v = caml_alloc_small (1, uuri); \
2289 Field (ret_v, 0) = str_v; \
2292 case FZ_LINK_LAUNCH: \
2293 str_v = caml_copy_string (link->dest.ld.launch.file_spec); \
2294 ret_v = caml_alloc_small (1, ulaunch); \
2295 Field (ret_v, 0) = str_v; \
2298 case FZ_LINK_NAMED: \
2299 str_v = caml_copy_string (link->dest.ld.named.named); \
2300 ret_v = caml_alloc_small (1, unamed); \
2301 Field (ret_v, 0) = str_v; \
2304 case FZ_LINK_GOTOR: \
2305 str_v = caml_copy_string (link->dest.ld.gotor.file_spec); \
2306 pageno = link->dest.ld.gotor.page; \
2307 tup_v = caml_alloc_tuple (2); \
2308 ret_v = caml_alloc_small (1, uremote); \
2309 Field (tup_v, 0) = str_v; \
2310 Field (tup_v, 1) = Val_int (pageno); \
2311 Field (ret_v, 0) = tup_v; \
2318 snprintf (buf, sizeof (buf), \
2319 "unhandled link kind %d", link->dest.kind); \
2320 str_v = caml_copy_string (buf); \
2321 ret_v = caml_alloc_small (1, uunexpected); \
2322 Field (ret_v, 0) = str_v; \
2328 CAMLprim value
ml_getlink (value ptr_v
, value n_v
)
2330 CAMLparam2 (ptr_v
, n_v
);
2331 CAMLlocal3 (ret_v
, tup_v
, str_v
);
2334 struct pagedim
*pdim
;
2335 char *s
= String_val (ptr_v
);
2337 ret_v
= Val_int (0);
2338 page
= parse_pointer ("ml_getlink", s
);
2339 ensureslinks (page
);
2340 pdim
= &state
.pagedims
[page
->pdimno
];
2341 link
= page
->slinks
[Int_val (n_v
)].link
;
2346 CAMLprim value
ml_getlinkcount (value ptr_v
)
2350 char *s
= String_val (ptr_v
);
2352 page
= parse_pointer ("ml_getlinkcount", s
);
2353 CAMLreturn (Val_int (page
->slinkcount
));
2356 CAMLprim value
ml_getlinkrect (value ptr_v
, value n_v
)
2358 CAMLparam2 (ptr_v
, n_v
);
2361 struct slink
*slink
;
2362 char *s
= String_val (ptr_v
);
2364 page
= parse_pointer ("ml_getlinkrect", s
);
2365 ensureslinks (page
);
2367 slink
= &page
->slinks
[Int_val (n_v
)];
2368 ret_v
= caml_alloc_tuple (4);
2369 Field (ret_v
, 0) = Val_int (slink
->bbox
.x0
);
2370 Field (ret_v
, 1) = Val_int (slink
->bbox
.y0
);
2371 Field (ret_v
, 2) = Val_int (slink
->bbox
.x1
);
2372 Field (ret_v
, 3) = Val_int (slink
->bbox
.y1
);
2376 CAMLprim value
ml_whatsunder (value ptr_v
, value x_v
, value y_v
)
2378 CAMLparam3 (ptr_v
, x_v
, y_v
);
2379 CAMLlocal3 (ret_v
, tup_v
, str_v
);
2382 char *s
= String_val (ptr_v
);
2383 int x
= Int_val (x_v
), y
= Int_val (y_v
);
2384 struct pagedim
*pdim
;
2386 ret_v
= Val_int (0);
2387 if (trylock ("ml_whatsunder")) {
2391 page
= parse_pointer ("ml_whatsunder", s
);
2392 pdim
= &state
.pagedims
[page
->pdimno
];
2393 x
+= pdim
->bounds
.x0
;
2394 y
+= pdim
->bounds
.y0
;
2395 link
= getlink (page
, x
, y
);
2404 for (span
= page
->text
; span
; span
= span
->next
) {
2405 for (i
= 0; i
< span
->len
; ++i
) {
2407 b
= &span
->text
[i
].bbox
;
2408 if ((x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
)) {
2410 span
->font
&& span
->font
->name
2412 : "Span has no font name"
2414 FT_FaceRec
*face
= span
->font
->ft_face
;
2415 if (face
&& face
->family_name
) {
2417 char *n1
= face
->family_name
;
2418 size_t l1
= strlen (n1
);
2419 size_t l2
= strlen (n2
);
2421 if (l1
!= l2
|| memcmp (n1
, n2
, l1
)) {
2422 s
= malloc (l1
+ l2
+ 2);
2426 memcpy (s
+ l2
+ 1, n1
, l1
+ 1);
2427 str_v
= caml_copy_string (s
);
2433 str_v
= caml_copy_string (n2
);
2435 ret_v
= caml_alloc_small (1, utext
);
2436 Field (ret_v
, 0) = str_v
;
2443 unlock ("ml_whatsunder");
2449 CAMLprim value
ml_seltext (value ptr_v
, value rect_v
)
2451 CAMLparam2 (ptr_v
, rect_v
);
2455 struct mark first
, last
;
2456 struct pagedim
*pdim
;
2457 int i
, x0
, x1
, y0
, y1
;
2458 char *s
= String_val (ptr_v
);
2460 if (trylock ("ml_seltext")) {
2464 page
= parse_pointer ("ml_seltext", s
);
2467 pdim
= &state
.pagedims
[page
->pdimno
];
2468 x0
= Int_val (Field (rect_v
, 0)) + pdim
->bounds
.x0
;;
2469 y0
= Int_val (Field (rect_v
, 1)) + pdim
->bounds
.y0
;
2470 x1
= Int_val (Field (rect_v
, 2)) + pdim
->bounds
.x0
;
2471 y1
= Int_val (Field (rect_v
, 3)) + pdim
->bounds
.y0
;
2474 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
2475 glColor3ub (128, 128, 128);
2476 glRecti (x0
, y0
, x1
, y1
);
2477 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
2483 last
.i
= first
.i
= 0;
2484 first
.span
= page
->text
;
2485 for (span
= page
->text
; span
; span
= span
->next
) {
2486 for (i
= 0; i
< span
->len
; ++i
) {
2487 b
= &span
->text
[i
].bbox
;
2490 if (x0
>= b
->x0
&& x0
<= b
->x1
&& y0
>= b
->y0
&& y0
<= b
->y1
) {
2495 if (x1
>= b
->x0
&& x1
<= b
->x1
&& y1
>= b
->y0
&& y1
<= b
->y1
) {
2500 if (0 && selected
) {
2501 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
2502 glColor3ub (128, 128, 128);
2503 glRecti (b
->x0
, b
->y0
, b
->x1
, b
->y1
);
2504 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
2509 if (y1
< y0
|| x1
< x0
) {
2512 if (first
.span
== last
.span
) {
2517 for (span
= first
.span
; span
&& span
!= last
.span
;
2518 span
= span
->next
) {
2531 first
.span
= last
.span
;
2537 page
->fmark
= first
;
2540 unlock ("ml_seltext");
2543 CAMLreturn (Val_unit
);
2546 static int pipespan (FILE *f
, fz_text_span
*span
, int a
, int b
)
2551 for (i
= a
; i
<= b
; ++i
) {
2552 len
= runetochar (buf
, &span
->text
[i
].c
);
2553 ret
= fwrite (buf
, len
, 1, f
);
2556 fprintf (stderr
, "failed to write %d bytes ret=%d: %s\n",
2557 len
, ret
, strerror (errno
));
2565 value
ml_popen (value UNUSED u1
, value UNUSED u2
)
2567 caml_failwith ("ml_popen not implemented under Cygwin");
2570 CAMLprim value
ml_popen (value command_v
, value fds_v
)
2572 CAMLparam2 (command_v
, fds_v
);
2573 CAMLlocal2 (l_v
, tup_v
);
2575 posix_spawnattr_t attr
;
2576 posix_spawn_file_actions_t fa
;
2577 char *command
= String_val (command_v
);
2578 char *argv
[] = { "/bin/sh", "-c", NULL
, NULL
};
2581 if ((ret
= posix_spawn_file_actions_init (&fa
)) != 0) {
2582 unix_error (ret
, "posix_spawn_file_actions_init", Nothing
);
2585 if ((ret
= posix_spawnattr_init (&attr
)) != 0) {
2586 unix_error (ret
, "posix_spawnattr_init", Nothing
);
2589 if ((ret
= posix_spawnattr_setflags (&attr
, POSIX_SPAWN_USEVFORK
)) != 0) {
2590 unix_error (ret
, "posix_spawnattr_setflags POSIX_SPAWN_USEVFORK",
2594 for (l_v
= fds_v
; l_v
!= Val_int (0); l_v
= Field (l_v
, 1)) {
2597 tup_v
= Field (l_v
, 0);
2598 fd1
= Int_val (Field (tup_v
, 0));
2599 fd2
= Int_val (Field (tup_v
, 1));
2601 if ((ret
= posix_spawn_file_actions_addclose (&fa
, fd1
)) != 0) {
2602 unix_error (ret
, "posix_spawn_file_actions_addclose", tup_v
);
2606 if ((ret
= posix_spawn_file_actions_adddup2 (&fa
, fd1
, fd2
)) != 0) {
2607 unix_error (ret
, "posix_spawn_file_actions_adddup2", tup_v
);
2612 if ((ret
= posix_spawn (NULL
, "/bin/sh", &fa
, &attr
, argv
, environ
))) {
2613 unix_error (ret
, "posix_spawn", command_v
);
2615 CAMLreturn (Val_unit
);
2619 CAMLprim value
ml_copysel (value fd_v
, value ptr_v
)
2625 char *s
= String_val (ptr_v
);
2627 if (trylock ("ml_copysel")) {
2631 page
= parse_pointer ("ml_sopysel", s
);
2633 if (!page
->fmark
.span
|| !page
->lmark
.span
) {
2634 fprintf (stderr
, "nothing to copy\n");
2638 f
= fdopen (Int_val (fd_v
), "w");
2640 fprintf (stderr
, "failed to fopen sel pipe: %s\n",
2643 if (close (Int_val (fd_v
))) {
2644 fprintf (stderr
, "failed to close sel pipe: %s\n",
2649 for (span
= page
->fmark
.span
;
2650 span
&& span
!= page
->lmark
.span
->next
;
2651 span
= span
->next
) {
2652 int a
= span
== page
->fmark
.span
? page
->fmark
.i
: 0;
2653 int b
= span
== page
->lmark
.span
? page
->lmark
.i
: span
->len
- 1;
2654 if (pipespan (f
, span
, a
, b
)) {
2658 if (putc ('\n', f
) == EOF
) {
2659 fprintf (stderr
, "failed break line on sel pipe: %s\n",
2665 page
->lmark
.span
= NULL
;
2666 page
->fmark
.span
= NULL
;
2670 int ret
= fclose (f
);
2672 if (errno
!= ECHILD
) {
2673 fprintf (stderr
, "failed to close sel pipe: %s\n",
2679 unlock ("ml_copysel");
2682 CAMLreturn (Val_unit
);
2685 CAMLprim value
ml_getpdimrect (value pagedimno_v
)
2687 CAMLparam1 (pagedimno_v
);
2689 int pagedimno
= Int_val (pagedimno_v
);
2692 ret_v
= caml_alloc_small (4 * Double_wosize
, Double_array_tag
);
2693 if (trylock ("ml_getpdimrect")) {
2694 box
= fz_empty_rect
;
2697 box
= state
.pagedims
[pagedimno
].mediabox
;
2698 unlock ("ml_getpdimrect");
2701 Store_double_field (ret_v
, 0, box
.x0
);
2702 Store_double_field (ret_v
, 1, box
.x1
);
2703 Store_double_field (ret_v
, 2, box
.y0
);
2704 Store_double_field (ret_v
, 3, box
.y1
);
2709 static double getmaxw (void)
2715 for (i
= 0, p
= state
.pagedims
; i
< state
.pagedimcount
; ++i
, ++p
) {
2718 x0
= MIN (p
->mediabox
.x0
, p
->mediabox
.x1
);
2719 x1
= MAX (p
->mediabox
.x0
, p
->mediabox
.x1
);
2722 maxw
= MAX (w
, maxw
);
2727 CAMLprim value
ml_getmaxw (value unit_v
)
2729 CAMLparam1 (unit_v
);
2733 if (trylock ("ml_getmaxw")) {
2737 unlock ("ml_getmaxw");
2739 ret_v
= caml_copy_double (maxw
);
2743 CAMLprim value
ml_zoom_for_height (value winw_v
, value winh_v
, value dw_v
)
2745 CAMLparam3 (winw_v
, winh_v
, dw_v
);
2749 double maxw
= 0.0, maxh
= 0.0;
2751 double winw
= Int_val (winw_v
);
2752 double winh
= Int_val (winh_v
);
2753 double dw
= Int_val (dw_v
);
2754 double pw
= 1.0, ph
= 1.0, num
, den
;
2756 if (trylock ("ml_zoom_for_height")) {
2760 if (state
.proportional
) {
2764 for (i
= 0, p
= state
.pagedims
; i
< state
.pagedimcount
; ++i
, ++p
) {
2765 double x0
, x1
, y0
, y1
, w
, h
, scaledh
, scale
;
2767 x0
= MIN (p
->mediabox
.x0
, p
->mediabox
.x1
);
2768 x1
= MAX (p
->mediabox
.x0
, p
->mediabox
.x1
);
2769 y0
= MIN (p
->mediabox
.y0
, p
->mediabox
.y1
);
2770 y1
= MAX (p
->mediabox
.y0
, p
->mediabox
.y1
);
2775 if (state
.proportional
) {
2777 scaledh
= h
* scale
;
2784 if (scaledh
> maxh
) {
2791 num
= (winh
* pw
) + (ph
* dw
);
2795 unlock ("ml_zoom_for_height");
2797 ret_v
= caml_copy_double (zoom
);
2801 CAMLprim value
ml_draw_string (value pt_v
, value x_v
, value y_v
, value string_v
)
2803 CAMLparam4 (pt_v
, x_v
, y_v
, string_v
);
2805 int pt
= Int_val(pt_v
);
2806 int x
= Int_val (x_v
);
2807 int y
= Int_val (y_v
);
2810 w
= draw_string (state
.face
, pt
, x
, y
, String_val (string_v
));
2811 ret_v
= caml_copy_double (w
);
2815 CAMLprim value
ml_measure_string (value pt_v
, value string_v
)
2817 CAMLparam2 (pt_v
, string_v
);
2819 int pt
= Int_val (pt_v
);
2822 w
= measure_string (state
.face
, pt
, String_val (string_v
));
2823 ret_v
= caml_copy_double (w
);
2827 CAMLprim value
ml_getpagebox (value opaque_v
)
2829 CAMLparam1 (opaque_v
);
2833 char *s
= String_val (opaque_v
);
2834 struct page
*page
= parse_pointer ("ml_getpagebox", s
);
2836 ret_v
= caml_alloc_tuple (4);
2837 dev
= fz_new_bbox_device (state
.ctx
, &bbox
);
2838 dev
->hints
|= FZ_IGNORE_SHADE
;
2840 switch (page
->type
) {
2842 pdf_run_page (state
.u
.pdf
, page
->u
.pdfpage
, dev
, pagectm (page
), NULL
);
2846 xps_run_page (state
.u
.xps
, page
->u
.xpspage
, dev
, pagectm (page
), NULL
);
2850 bbox
= fz_infinite_bbox
;
2854 fz_free_device (dev
);
2855 Field (ret_v
, 0) = Val_int (bbox
.x0
);
2856 Field (ret_v
, 1) = Val_int (bbox
.y0
);
2857 Field (ret_v
, 2) = Val_int (bbox
.x1
);
2858 Field (ret_v
, 3) = Val_int (bbox
.y1
);
2863 CAMLprim value
ml_setaalevel (value level_v
)
2865 CAMLparam1 (level_v
);
2867 state
.aalevel
= Int_val (level_v
);
2868 CAMLreturn (Val_unit
);
2872 #include <X11/Xlib.h>
2878 GLXDrawable drawable
;
2881 #include "keysym2ucs.c"
2883 CAMLprim value
ml_keysymtoutf8 (value keysym_v
)
2885 CAMLparam1 (keysym_v
);
2887 KeySym keysym
= Int_val (keysym_v
);
2892 rune
= keysym2ucs (keysym
);
2893 len
= runetochar (buf
, &rune
);
2895 str_v
= caml_copy_string (buf
);
2899 CAMLprim value
ml_glx (value win_v
)
2902 XVisualInfo
*visual
;
2903 int screen
, wid
= Int_val (win_v
);
2904 int attributes
[] = { GLX_RGBA
, GLX_DOUBLEBUFFER
, None
};
2906 glx
.dpy
= XOpenDisplay (NULL
);
2908 caml_failwith ("XOpenDisplay failed");
2911 screen
= DefaultScreen (glx
.dpy
);
2912 visual
= glXChooseVisual (glx
.dpy
, screen
, attributes
);
2914 XCloseDisplay (glx
.dpy
);
2916 caml_failwith ("glXChooseVisual");
2919 glx
.ctx
= glXCreateContext (glx
.dpy
, visual
, NULL
, True
);
2921 XCloseDisplay (glx
.dpy
);
2924 caml_failwith ("glXCreateContext");
2928 if (!glXMakeCurrent (glx
.dpy
, wid
, glx
.ctx
)) {
2929 glXDestroyContext (glx
.dpy
, glx
.ctx
);
2930 XCloseDisplay (glx
.dpy
);
2933 caml_failwith ("glXMakeCurrent");
2937 CAMLreturn (Val_unit
);
2940 CAMLprim value
ml_swapb (value unit_v
)
2942 CAMLparam1 (unit_v
);
2943 glXSwapBuffers (glx
.dpy
, glx
.drawable
);
2944 CAMLreturn (Val_unit
);
2947 enum { piunknown
, pilinux
, piosx
, pisun
, pifreebsd
,
2948 pidragonflybsd
, piopenbsd
, pinetbsd
, picygwin
};
2950 CAMLprim value
ml_platform (value unit_v
)
2952 CAMLparam1 (unit_v
);
2953 int platid
= piunknown
;
2955 #if defined __linux__
2957 #elif defined __CYGWIN__
2959 #elif defined __DragonFly__
2960 platid
= pidragonflybsd
;
2961 #elif defined __FreeBSD__
2963 #elif defined __OpenBSD__
2965 #elif defined __NetBSD__
2967 #elif defined __sun__
2969 #elif defined __APPLE__
2972 CAMLreturn (Val_int (platid
));
2975 CAMLprim value
ml_cloexec (value fd_v
)
2978 int fd
= Int_val (fd_v
);
2980 if (fcntl (fd
, F_SETFD
, FD_CLOEXEC
, 1)) {
2981 uerror ("fcntl", Nothing
);
2983 CAMLreturn (Val_unit
);
2986 CAMLprim value
ml_init (value pipe_v
, value params_v
)
2988 CAMLparam2 (pipe_v
, params_v
);
2989 CAMLlocal2 (trim_v
, fuzz_v
);
2995 struct sigaction sa
;
2997 state
.cr
= Int_val (Field (pipe_v
, 0));
2998 state
.cw
= Int_val (Field (pipe_v
, 1));
2999 state
.rotate
= Int_val (Field (params_v
, 0));
3000 state
.proportional
= Bool_val (Field (params_v
, 1));
3001 trim_v
= Field (params_v
, 2);
3002 texcount
= Int_val (Field (params_v
, 3));
3003 state
.sliceheight
= Int_val (Field (params_v
, 4));
3004 mustoresize
= Int_val (Field (params_v
, 5));
3005 colorspace
= Int_val (Field (params_v
, 6));
3006 fontpath
= String_val (Field (params_v
, 7));
3008 state
.ctx
= fz_new_context (NULL
, NULL
, mustoresize
);
3010 state
.trimmargins
= Bool_val (Field (trim_v
, 0));
3011 fuzz_v
= Field (trim_v
, 1);
3012 state
.trimfuzz
.x0
= Int_val (Field (fuzz_v
, 0));
3013 state
.trimfuzz
.y0
= Int_val (Field (fuzz_v
, 1));
3014 state
.trimfuzz
.x1
= Int_val (Field (fuzz_v
, 2));
3015 state
.trimfuzz
.y1
= Int_val (Field (fuzz_v
, 3));
3017 set_tex_params (colorspace
);
3020 state
.face
= load_font (fontpath
);
3024 void *base
= pdf_find_substitute_font (0, 0, 0, 0, &len
);
3026 state
.face
= load_builtin_font (base
, len
);
3028 if (!state
.face
) _exit (1);
3030 realloctexts (texcount
);
3033 sa
.sa_handler
= SIG_IGN
;
3034 sa
.sa_flags
= SA_RESTART
| SA_NOCLDSTOP
;
3036 sa
.sa_handler
= SIG_DFL
;
3037 sa
.sa_flags
= SA_RESTART
| SA_NOCLDSTOP
| SA_NOCLDWAIT
;
3039 if (sigemptyset (&sa
.sa_mask
)) {
3040 err (1, "sigemptyset");
3042 if (sigaction (SIGCHLD
, &sa
, NULL
)) {
3043 err (1, "sigaction");
3046 ret
= pthread_create (&state
.thread
, NULL
, mainloop
, NULL
);
3048 errx (1, "pthread_create: %s", strerror (ret
));
3051 CAMLreturn (Val_unit
);