1 /* lots of code c&p-ed directly from mupdf */
14 #include <sys/types.h>
15 #include <sys/ioctl.h>
18 #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>
34 #include <mupdf/fitz.h>
35 #include <mupdf/cbz.h>
36 #include <mupdf/pdf.h>
37 #include <mupdf/xps.h>
39 #include FT_FREETYPE_H
44 extern char **environ
;
47 #define MIN(a,b) ((a) < (b) ? (a) : (b))
48 #define MAX(a,b) ((a) > (b) ? (a) : (b))
51 #define NORETURN_ATTR __attribute__ ((noreturn))
52 #define UNUSED_ATTR __attribute__ ((unused))
53 #define OPTIMIZE_ATTR(n) __attribute__ ((optimize ("O"#n)))
54 #define GCC_FMT_ATTR(a, b) __attribute__ ((format (printf, a, b)))
58 #define OPTIMIZE_ATTR(n)
59 #define GCC_FMT_ATTR(a, b)
65 #define FMT_ptr_cast(p) (p)
66 #define FMT_ptr_cast2(p) (p)
68 static void NORETURN_ATTR
GCC_FMT_ATTR (2, 3)
69 err (int exitcode
, const char *fmt
, ...)
76 vfprintf (stderr
, fmt
, ap
);
78 fprintf (stderr
, ": %s\n", strerror (savederrno
));
83 static void NORETURN_ATTR
GCC_FMT_ATTR (2, 3)
84 errx (int exitcode
, const char *fmt
, ...)
89 vfprintf (stderr
, fmt
, ap
);
96 #ifndef GL_TEXTURE_RECTANGLE_ARB
97 #define GL_TEXTURE_RECTANGLE_ARB 0x84F5
101 #define GL_BGRA 0x80E1
104 #ifndef GL_UNSIGNED_INT_8_8_8_8
105 #define GL_UNSIGNED_INT_8_8_8_8 0x8035
108 #ifndef GL_UNSIGNED_INT_8_8_8_8_REV
109 #define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
113 #define lprintf printf
118 #define ARSERT(cond) for (;;) { \
120 errx (1, "%s:%d " #cond, __FILE__, __LINE__); \
136 struct slice slices
[1];
147 fz_matrix ctm
, zoomctm
, lctm
, tctm
;
155 enum { DPDF
, DXPS
, DCBZ
};
164 fz_text_sheet
*sheet
;
171 fz_display_list
*dlist
;
173 struct slink
*slinks
;
178 void (*freepage
) (void *);
184 struct pagedim
*pagedims
;
203 fz_colorspace
*colorspace
;
211 enum { FitWidth
, FitProportional
, FitPage
} fitmodel
;
225 void (*closedoc
) (void);
226 void (*freepage
) (void *);
234 void (*glBindBufferARB
) (GLenum
, GLuint
);
235 GLboolean (*glUnmapBufferARB
) (GLenum
);
236 void *(*glMapBufferARB
) (GLenum
, GLenum
);
237 void (*glBufferDataARB
) (GLenum
, GLsizei
, void *, GLenum
);
238 void (*glGenBuffersARB
) (GLsizei
, GLuint
*);
239 void (*glDeleteBuffersARB
) (GLsizei
, GLuint
*);
248 static void UNUSED_ATTR
debug_rect (const char *cap
, fz_rect r
)
250 printf ("%s(rect) %.2f,%.2f,%.2f,%.2f\n", cap
, r
.x0
, r
.y0
, r
.x1
, r
.y1
);
253 static void UNUSED_ATTR
debug_bbox (const char *cap
, fz_irect r
)
255 printf ("%s(bbox) %d,%d,%d,%d\n", cap
, r
.x0
, r
.y0
, r
.x1
, r
.y1
);
258 static void UNUSED_ATTR
debug_matrix (const char *cap
, fz_matrix m
)
260 printf ("%s(matrix) %.2f,%.2f,%.2f,%.2f %.2f %.2f\n", cap
,
261 m
.a
, m
.b
, m
.c
, m
.d
, m
.e
, m
.f
);
264 static pthread_mutex_t mutex
= PTHREAD_MUTEX_INITIALIZER
;
266 static void lock (const char *cap
)
268 int ret
= pthread_mutex_lock (&mutex
);
270 errx (1, "%s: pthread_mutex_lock: %s", cap
, strerror (ret
));
274 static void unlock (const char *cap
)
276 int ret
= pthread_mutex_unlock (&mutex
);
278 errx (1, "%s: pthread_mutex_unlock: %s", cap
, strerror (ret
));
282 static int trylock (const char *cap
)
284 int ret
= pthread_mutex_trylock (&mutex
);
285 if (ret
&& ret
!= EBUSY
) {
286 errx (1, "%s: pthread_mutex_trylock: %s", cap
, strerror (ret
));
291 static void *parse_pointer (const char *cap
, const char *s
)
296 ret
= sscanf (s
, "%" FMT_ptr
, FMT_ptr_cast (&ptr
));
298 errx (1, "%s: cannot parse pointer in `%s'", cap
, s
);
303 static double now (void)
307 if (gettimeofday (&tv
, NULL
)) {
308 err (1, "gettimeofday");
310 return tv
.tv_sec
+ tv
.tv_usec
*1e-6;
313 static int hasdata (void)
316 ret
= ioctl (state
.cr
, FIONREAD
, &avail
);
317 if (ret
) err (1, "hasdata: FIONREAD error ret=%d", ret
);
321 CAMLprim value
ml_hasdata (value fd_v
)
326 ret
= ioctl (Int_val (fd_v
), FIONREAD
, &avail
);
327 if (ret
) uerror ("ioctl (FIONREAD)", Nothing
);
328 CAMLreturn (Val_bool (avail
> 0));
331 static void readdata (void *p
, int size
)
336 n
= read (state
.cr
, p
, size
);
338 if (errno
== EINTR
) goto again
;
339 err (1, "read (req %d, ret %zd)", size
, n
);
342 if (!n
) errx (1, "EOF while reading");
343 errx (1, "read (req %d, ret %zd)", size
, n
);
347 static void writedata (char *p
, int size
)
351 struct iovec iovec
[2];
353 buf
[0] = (size
>> 24) & 0xff;
354 buf
[1] = (size
>> 16) & 0xff;
355 buf
[2] = (size
>> 8) & 0xff;
356 buf
[3] = (size
>> 0) & 0xff;
358 iovec
[0].iov_base
= buf
;
359 iovec
[0].iov_len
= 4;
360 iovec
[1].iov_base
= p
;
361 iovec
[1].iov_len
= size
;
363 n
= writev (state
.cw
, iovec
, 2);
365 if (!n
) errx (1, "EOF while writing data");
366 err (1, "write (req %d, ret %zd)", size
+ 4, n
);
370 static int readlen (void)
375 return (p
[0] << 24) | (p
[1] << 16) | (p
[2] << 8) | p
[3];
378 static void GCC_FMT_ATTR (1, 2) printd (const char *fmt
, ...)
386 if (!buf
) err (1, "malloc for temp buf (%d bytes) failed", size
);
389 len
= vsnprintf (buf
, size
, fmt
, ap
);
392 if (len
> -1 && len
< size
) {
393 writedata (buf
, len
);
403 buf
= realloc (buf
, size
);
408 static void closepdf (void)
411 pdf_close_document (state
.u
.pdf
);
416 static void closexps (void)
419 xps_close_document (state
.u
.xps
);
424 static void closecbz (void)
427 cbz_close_document (state
.u
.cbz
);
432 static void freepdfpage (void *ptr
)
434 pdf_free_page (state
.u
.pdf
, ptr
);
437 static void freeemptyxxxpage (void *ptr
)
442 static void freexpspage (void *ptr
)
444 xps_free_page (state
.u
.xps
, ptr
);
447 static void freecbzpage (void *ptr
)
449 cbz_free_page (state
.u
.cbz
, ptr
);
452 static void openxref (char *filename
, char *password
)
456 for (i
= 0; i
< state
.texcount
; ++i
) {
457 state
.texowners
[i
].w
= -1;
458 state
.texowners
[i
].slice
= NULL
;
461 if (state
.closedoc
) state
.closedoc ();
463 len
= strlen (filename
);
469 ext
[0] = tolower ((int) filename
[len
-3]);
470 ext
[1] = tolower ((int) filename
[len
-2]);
471 ext
[2] = tolower ((int) filename
[len
-1]);
473 /**/ if (ext
[0] == 'x' && ext
[1] == 'p' && ext
[2] == 's') {
476 else if (ext
[0] == 'c' && ext
[1] == 'b' && ext
[2] == 'z') {
481 if (state
.pagedims
) {
482 free (state
.pagedims
);
483 state
.pagedims
= NULL
;
485 state
.pagedimcount
= 0;
487 fz_set_aa_level (state
.ctx
, state
.aalevel
);
488 switch (state
.type
) {
490 state
.u
.pdf
= pdf_open_document (state
.ctx
, filename
);
491 if (pdf_needs_password (state
.u
.pdf
)) {
492 int okay
= pdf_authenticate_password (state
.u
.pdf
, password
);
494 errx (1, "invalid password");
497 state
.pagecount
= pdf_count_pages (state
.u
.pdf
);
498 state
.closedoc
= closepdf
;
499 state
.freepage
= freepdfpage
;
503 state
.u
.xps
= xps_open_document (state
.ctx
, filename
);
504 state
.pagecount
= xps_count_pages (state
.u
.xps
);
505 state
.closedoc
= closexps
;
506 state
.freepage
= freexpspage
;
510 state
.u
.cbz
= cbz_open_document (state
.ctx
, filename
);
511 state
.pagecount
= cbz_count_pages (state
.u
.cbz
);
512 state
.closedoc
= closecbz
;
513 state
.freepage
= freecbzpage
;
518 static void pdfinfo (void)
520 if (state
.type
== DPDF
) {
523 printd ("info PDF version\t%d.%d",
524 state
.u
.pdf
->version
/ 10, state
.u
.pdf
->version
% 10);
526 infoobj
= pdf_dict_gets (pdf_trailer (state
.u
.pdf
), "Info");
530 char *items
[] = { "Title", "Author", "Creator",
531 "Producer", "CreationDate" };
533 for (i
= 0; i
< sizeof (items
) / sizeof (*items
); ++i
) {
534 pdf_obj
*obj
= pdf_dict_gets (infoobj
, items
[i
]);
535 s
= pdf_to_utf8 (state
.u
.pdf
, obj
);
538 printd ("title %s", s
);
540 printd ("info %s\t%s", items
[i
], s
);
542 fz_free (state
.ctx
, s
);
549 static void unlinktile (struct tile
*tile
)
553 for (i
= 0; i
< tile
->slicecount
; ++i
) {
554 struct slice
*s
= &tile
->slices
[i
];
556 if (s
->texindex
!= -1) {
557 if (state
.texowners
[s
->texindex
].slice
== s
) {
558 state
.texowners
[s
->texindex
].slice
= NULL
;
564 static void freepage (struct page
*page
)
567 fz_free_text_page (state
.ctx
, page
->text
);
570 fz_free_text_sheet (state
.ctx
, page
->sheet
);
575 fz_drop_display_list (state
.ctx
, page
->dlist
);
576 page
->freepage (page
->u
.ptr
);
580 static void freetile (struct tile
*tile
)
585 fz_drop_pixmap (state
.ctx
, tile
->pixmap
);
588 fz_drop_pixmap (state
.ctx
, state
.pig
);
590 state
.pig
= tile
->pixmap
;
595 fz_drop_pixmap (state
.ctx
, tile
->pixmap
);
604 static int cacheline32bytes
;
606 static void __attribute__ ((constructor
)) clcheck (void)
608 char **envp
= environ
;
613 for (auxv
= (unsigned long *) envp
; *auxv
!= 0; auxv
+= 2) {
615 cacheline32bytes
= auxv
[1] == 32;
621 static void OPTIMIZE_ATTR (3) clearpixmap (fz_pixmap
*pixmap
)
623 size_t size
= pixmap
->w
* pixmap
->h
* pixmap
->n
;
624 if (cacheline32bytes
&& size
> 32) {
625 intptr_t a1
, a2
, diff
;
627 vector
unsigned char v
= vec_splat_u8 (-1);
628 vector
unsigned char *p
;
630 a1
= a2
= (intptr_t) pixmap
->samples
;
631 a2
= (a1
+ 31) & ~31;
636 while (a1
!= a2
) *(char *) a1
++ = 0xff;
637 for (i
= 0; i
< (sizea
& ~31); i
+= 32) {
638 __asm
volatile ("dcbz %0, %1"::"b"(a2
),"r"(i
));
640 vec_st (v
, i
+ 16, p
);
642 while (i
< sizea
) *((char *) a1
+ i
++) = 0xff;
644 else fz_clear_pixmap_with_value (state
.ctx
, pixmap
, 0xff);
647 #define clearpixmap(p) fz_clear_pixmap_with_value (state.ctx, p, 0xff)
650 static void trimctm (pdf_page
*page
, int pindex
)
653 struct pagedim
*pdim
= &state
.pagedims
[pindex
];
655 if (!pdim
->tctmready
) {
656 if (state
.trimmargins
) {
658 fz_matrix rm
, sm
, tm
, im
, ctm1
;
660 fz_rotate (&rm
, -pdim
->rotate
);
661 fz_scale (&sm
, 1, -1);
662 fz_concat (&ctm
, &rm
, &sm
);
663 realbox
= pdim
->mediabox
;
664 fz_transform_rect (&realbox
, &ctm
);
665 fz_translate (&tm
, -realbox
.x0
, -realbox
.y0
);
666 fz_concat (&ctm1
, &ctm
, &tm
);
667 fz_invert_matrix (&im
, &page
->ctm
);
668 fz_concat (&ctm
, &im
, &ctm1
);
678 static fz_matrix
pagectm (struct page
*page
)
682 if (page
->type
== DPDF
) {
683 trimctm (page
->u
.pdfpage
, page
->pdimno
);
685 &state
.pagedims
[page
->pdimno
].tctm
,
686 &state
.pagedims
[page
->pdimno
].ctm
);
689 struct pagedim
*pdim
= &state
.pagedims
[page
->pdimno
];
691 fz_translate (&tm
, -pdim
->mediabox
.x0
, -pdim
->mediabox
.y0
);
692 fz_concat (&ctm
, &tm
, &state
.pagedims
[page
->pdimno
].ctm
);
697 static void *loadpage (int pageno
, int pindex
)
702 page
= calloc (sizeof (struct page
), 1);
704 err (1, "calloc page %d", pageno
);
707 page
->dlist
= fz_new_display_list (state
.ctx
);
708 dev
= fz_new_list_device (state
.ctx
, page
->dlist
);
710 switch (state
.type
) {
712 page
->u
.pdfpage
= pdf_load_page (state
.u
.pdf
, pageno
);
713 pdf_run_page (state
.u
.pdf
, page
->u
.pdfpage
, dev
,
715 page
->freepage
= freepdfpage
;
719 page
->u
.xpspage
= xps_load_page (state
.u
.xps
, pageno
);
720 xps_run_page (state
.u
.xps
, page
->u
.xpspage
, dev
,
722 page
->freepage
= freexpspage
;
726 page
->u
.cbzpage
= cbz_load_page (state
.u
.cbz
, pageno
);
727 cbz_run_page (state
.u
.cbz
, page
->u
.cbzpage
, dev
,
729 page
->freepage
= freecbzpage
;
733 fz_catch (state
.ctx
) {
735 page
->freepage
= freeemptyxxxpage
;
737 fz_free_device (dev
);
739 page
->pdimno
= pindex
;
740 page
->pageno
= pageno
;
741 page
->sgen
= state
.gen
;
742 page
->tgen
= state
.gen
;
743 page
->type
= state
.type
;
748 static struct tile
*alloctile (int h
)
755 slicecount
= (h
+ state
.sliceheight
- 1) / state
.sliceheight
;
756 tilesize
= sizeof (*tile
) + ((slicecount
- 1) * sizeof (struct slice
));
757 tile
= calloc (tilesize
, 1);
759 err (1, "can not allocate tile (%" FMT_s
" bytes)", tilesize
);
761 for (i
= 0; i
< slicecount
; ++i
) {
762 int sh
= MIN (h
, state
.sliceheight
);
763 tile
->slices
[i
].h
= sh
;
764 tile
->slices
[i
].texindex
= -1;
767 tile
->slicecount
= slicecount
;
768 tile
->sliceheight
= state
.sliceheight
;
778 static void obs_fill_image (fz_device
*dev
, fz_image
*image
,
779 const fz_matrix
*ctm
, float alpha
)
781 struct obs
*obs
= dev
->user
;
783 if (!obs
->cured
&& fabs (1.0 - alpha
) < 1e6
) {
785 fz_rect rect
= fz_unit_rect
;
787 fz_transform_rect (&rect
, ctm
);
788 fz_round_rect (&b
, &rect
);
789 fz_intersect_irect (&b
, &obs
->b
);
790 obs
->cured
= b
.x0
== obs
->b
.x0
793 && b
.y1
== obs
->b
.y1
;
797 static int obscured (struct page
*page
, fz_irect bbox
)
804 memset (&dev
, 0, sizeof (dev
));
805 memset (&obs
, 0, sizeof (obs
));
810 dev
.fill_image
= obs_fill_image
;
812 fz_rect_from_irect (&rect
, &bbox
);
813 ctm
= pagectm (page
);
814 fz_run_display_list (page
->dlist
, &dev
, &ctm
, &rect
, NULL
);
817 #define OBSCURED obscured
819 #define OBSCURED(a, b) 0
822 static struct tile
*rendertile (struct page
*page
, int x
, int y
, int w
, int h
,
830 struct pagedim
*pdim
;
832 tile
= alloctile (h
);
833 pdim
= &state
.pagedims
[page
->pdimno
];
838 bbox
.x1
= bbox
.x0
+ w
;
839 bbox
.y1
= bbox
.y0
+ h
;
842 if (state
.pig
->w
== w
844 && state
.pig
->colorspace
== state
.colorspace
) {
845 tile
->pixmap
= state
.pig
;
846 tile
->pixmap
->x
= bbox
.x0
;
847 tile
->pixmap
->y
= bbox
.y0
;
850 fz_drop_pixmap (state
.ctx
, state
.pig
);
857 fz_new_pixmap_with_bbox_and_data (state
.ctx
, state
.colorspace
,
863 fz_new_pixmap_with_bbox (state
.ctx
, state
.colorspace
, &bbox
);
869 if (!page
->u
.ptr
|| ((w
< 128 && h
< 128) || !OBSCURED (page
, bbox
))) {
870 clearpixmap (tile
->pixmap
);
872 dev
= fz_new_draw_device (state
.ctx
, tile
->pixmap
);
873 ctm
= pagectm (page
);
874 fz_rect_from_irect (&rect
, &bbox
);
875 fz_run_display_list (page
->dlist
, dev
, &ctm
, &rect
, NULL
);
876 fz_free_device (dev
);
881 static void initpdims (void)
884 int pageno
, trim
, show
;
886 int trimw
= 0, cxcount
;
890 if (state
.trimmargins
&& state
.trimcachepath
) {
891 trimf
= fopen (state
.trimcachepath
, "rb");
893 trimf
= fopen (state
.trimcachepath
, "wb");
898 if (state
.trimmargins
|| state
.type
== DPDF
|| !state
.cxack
)
899 cxcount
= state
.pagecount
;
901 cxcount
= MIN (state
.pagecount
, 1);
903 for (pageno
= 0; pageno
< cxcount
; ++pageno
) {
908 switch (state
.type
) {
910 pdf_obj
*pageref
= pdf_lookup_page_obj (state
.u
.pdf
, pageno
);
911 pdf_obj
*pageobj
= pdf_resolve_indirect (pageref
);
913 if (state
.trimmargins
) {
918 page
= pdf_load_page (state
.u
.pdf
, pageno
);
919 obj
= pdf_dict_gets (pageobj
, "llpp.TrimBox");
920 trim
= state
.trimanew
|| !obj
;
926 dev
= fz_new_bbox_device (state
.ctx
, &rect
);
927 dev
->hints
|= FZ_IGNORE_SHADE
;
928 fz_invert_matrix (&ctm
, &page
->ctm
);
929 pdf_run_page (state
.u
.pdf
, page
, dev
,
931 fz_free_device (dev
);
933 rect
.x0
+= state
.trimfuzz
.x0
;
934 rect
.x1
+= state
.trimfuzz
.x1
;
935 rect
.y0
+= state
.trimfuzz
.y0
;
936 rect
.y1
+= state
.trimfuzz
.y1
;
937 fz_transform_rect (&rect
, &ctm
);
938 fz_intersect_rect (&rect
, &page
->mediabox
);
940 if (fz_is_empty_rect (&rect
)) {
941 mediabox
= page
->mediabox
;
947 obj
= pdf_new_array (state
.u
.pdf
, 4);
948 pdf_array_push (obj
, pdf_new_real (state
.u
.pdf
,
950 pdf_array_push (obj
, pdf_new_real (state
.u
.pdf
,
952 pdf_array_push (obj
, pdf_new_real (state
.u
.pdf
,
954 pdf_array_push (obj
, pdf_new_real (state
.u
.pdf
,
956 pdf_dict_puts (pageobj
, "llpp.TrimBox", obj
);
959 mediabox
.x0
= pdf_to_real (pdf_array_get (obj
, 0));
960 mediabox
.y0
= pdf_to_real (pdf_array_get (obj
, 1));
961 mediabox
.x1
= pdf_to_real (pdf_array_get (obj
, 2));
962 mediabox
.y1
= pdf_to_real (pdf_array_get (obj
, 3));
965 rotate
= page
->rotate
;
966 pdf_free_page (state
.u
.pdf
, page
);
968 show
= trim
? pageno
% 5 == 0 : pageno
% 20 == 0;
970 printd ("progress %f Trimming %d",
971 (double) (pageno
+ 1) / state
.pagecount
,
975 fz_catch (state
.ctx
) {
976 fprintf (stderr
, "failed to load page %d\n", pageno
+1);
983 pdf_to_rect (state
.ctx
, pdf_dict_gets (pageobj
, "MediaBox"),
985 if (fz_is_empty_rect (&mediabox
)) {
993 pdf_to_rect (state
.ctx
, pdf_dict_gets (pageobj
, "CropBox"),
995 if (!fz_is_empty_rect (&cropbox
)) {
996 fz_intersect_rect (&mediabox
, &cropbox
);
1000 fprintf (stderr
, "cannot find page size for page %d\n",
1004 rotate
= pdf_to_int (pdf_dict_gets (pageobj
, "Rotate"));
1013 fz_try (state
.ctx
) {
1014 page
= xps_load_page (state
.u
.xps
, pageno
);
1015 xps_bound_page (state
.u
.xps
, page
, &mediabox
);
1017 if (state
.trimmargins
) {
1021 dev
= fz_new_bbox_device (state
.ctx
, &rect
);
1022 dev
->hints
|= FZ_IGNORE_SHADE
;
1023 xps_run_page (state
.u
.xps
, page
, dev
,
1024 &fz_identity
, NULL
);
1025 fz_free_device (dev
);
1027 rect
.x0
+= state
.trimfuzz
.x0
;
1028 rect
.x1
+= state
.trimfuzz
.x1
;
1029 rect
.y0
+= state
.trimfuzz
.y0
;
1030 rect
.y1
+= state
.trimfuzz
.y1
;
1031 fz_intersect_rect (&rect
, &mediabox
);
1033 if (!fz_is_empty_rect (&rect
)) {
1037 xps_free_page (state
.u
.xps
, page
);
1039 printd ("progress %f loading %d",
1040 (double) (pageno
+ 1) / state
.pagecount
,
1044 fz_catch (state
.ctx
) {
1056 if (state
.trimmargins
&& trimw
) {
1059 fz_try (state
.ctx
) {
1060 page
= cbz_load_page (state
.u
.cbz
, pageno
);
1061 cbz_bound_page (state
.u
.cbz
, page
, &mediabox
);
1062 cbz_free_page (state
.u
.cbz
, page
);
1063 printd ("progress %f Trimming %d",
1064 (double) (pageno
+ 1) / state
.pagecount
,
1067 fz_catch (state
.ctx
) {
1068 fprintf (stderr
, "failed to load page %d\n", pageno
+1);
1071 int n
= fwrite (&mediabox
, sizeof (mediabox
), 1, trimf
);
1073 err (1, "fwrite trim mediabox");
1079 int n
= fread (&mediabox
, sizeof (mediabox
), 1, trimf
);
1081 err (1, "fread trim mediabox");
1087 fz_try (state
.ctx
) {
1088 page
= cbz_load_page (state
.u
.cbz
, pageno
);
1089 cbz_bound_page (state
.u
.cbz
, page
, &mediabox
);
1090 cbz_free_page (state
.u
.cbz
, page
);
1092 fz_catch (state
.ctx
) {
1093 fprintf (stderr
, "failed to load cbz page\n");
1102 ARSERT (0 && state
.type
);
1105 if (state
.pagedimcount
== 0
1106 || (p
= &state
.pagedims
[state
.pagedimcount
-1], p
->rotate
!= rotate
)
1107 || memcmp (&p
->mediabox
, &mediabox
, sizeof (mediabox
))) {
1110 size
= (state
.pagedimcount
+ 1) * sizeof (*state
.pagedims
);
1111 state
.pagedims
= realloc (state
.pagedims
, size
);
1112 if (!state
.pagedims
) {
1113 err (1, "realloc pagedims to %" FMT_s
" (%d elems)",
1114 size
, state
.pagedimcount
+ 1);
1117 p
= &state
.pagedims
[state
.pagedimcount
++];
1119 p
->mediabox
= mediabox
;
1124 if (state
.trimmargins
) {
1125 printd ("progress 1 Trimmed %d pages in %f seconds",
1126 state
.pagecount
, end
- start
);
1129 printd ("vmsg Processed %d pages in %f seconds",
1130 state
.pagecount
, end
- start
);
1134 if (fclose (trimf
)) {
1140 static void layout (void)
1145 struct pagedim
*p
= p
;
1146 double zw
, w
, maxw
= 0.0, zoom
= zoom
;
1148 if (state
.pagedimcount
== 0) return;
1150 switch (state
.fitmodel
) {
1151 case FitProportional
:
1152 for (pindex
= 0; pindex
< state
.pagedimcount
; ++pindex
) {
1155 p
= &state
.pagedims
[pindex
];
1156 fz_rotate (&rm
, p
->rotate
+ state
.rotate
);
1158 fz_transform_rect (&box
, &rm
);
1160 x0
= MIN (box
.x0
, box
.x1
);
1161 x1
= MAX (box
.x0
, box
.x1
);
1164 maxw
= MAX (w
, maxw
);
1165 zoom
= state
.w
/ maxw
;
1177 ARSERT (0 && state
.fitmodel
);
1180 for (pindex
= 0; pindex
< state
.pagedimcount
; ++pindex
) {
1184 p
= &state
.pagedims
[pindex
];
1185 fz_rotate (&ctm
, state
.rotate
);
1186 fz_rotate (&rm
, p
->rotate
+ state
.rotate
);
1188 fz_transform_rect (&box
, &rm
);
1189 w
= box
.x1
- box
.x0
;
1190 switch (state
.fitmodel
) {
1191 case FitProportional
:
1192 p
->left
= ((maxw
- w
) * zoom
) / 2.0;
1198 h
= box
.y1
- box
.y0
;
1200 zoom
= MIN (zw
, zh
);
1201 p
->left
= (maxw
- (w
* zoom
)) / 2.0;
1210 fz_scale (&p
->zoomctm
, zoom
, zoom
);
1211 fz_concat (&ctm
, &p
->zoomctm
, &ctm
);
1213 fz_rotate (&rm
, p
->rotate
);
1214 p
->pagebox
= p
->mediabox
;
1215 fz_transform_rect (&p
->pagebox
, &rm
);
1216 p
->pagebox
.x1
-= p
->pagebox
.x0
;
1217 p
->pagebox
.y1
-= p
->pagebox
.y0
;
1221 fz_transform_rect (&rect
, &ctm
);
1222 fz_round_rect (&p
->bounds
, &rect
);
1225 fz_translate (&tm
, 0, -p
->mediabox
.y1
);
1226 fz_scale (&sm
, zoom
, -zoom
);
1227 fz_concat (&ctm
, &tm
, &sm
);
1228 fz_concat (&p
->lctm
, &ctm
, &rm
);
1234 int x0
= MIN (p
->bounds
.x0
, p
->bounds
.x1
);
1235 int y0
= MIN (p
->bounds
.y0
, p
->bounds
.y1
);
1236 int x1
= MAX (p
->bounds
.x0
, p
->bounds
.x1
);
1237 int y1
= MAX (p
->bounds
.y0
, p
->bounds
.y1
);
1241 printd ("pdim %d %d %d %d", p
->pageno
, w
, h
, p
->left
);
1242 } while (p
-- != state
.pagedims
);
1246 struct anchor
{ int n
; int x
; int y
; int w
; int h
; }
1247 desttoanchor (fz_link_dest
*dest
)
1251 struct pagedim
*pdim
= state
.pagedims
;
1256 for (i
= 0; i
< state
.pagedimcount
; ++i
) {
1257 if (state
.pagedims
[i
].pageno
> dest
->ld
.gotor
.page
)
1259 pdim
= &state
.pagedims
[i
];
1261 if (dest
->ld
.gotor
.flags
& fz_link_flag_t_valid
) {
1263 if (dest
->ld
.gotor
.flags
& fz_link_flag_l_valid
)
1264 p
.x
= dest
->ld
.gotor
.lt
.x
;
1267 p
.y
= dest
->ld
.gotor
.lt
.y
;
1268 fz_transform_point (&p
, &pdim
->lctm
);
1272 if (dest
->ld
.gotor
.page
>= 0 && dest
->ld
.gotor
.page
< 1<<30) {
1273 double x0
, x1
, y0
, y1
;
1275 x0
= MIN (pdim
->bounds
.x0
, pdim
->bounds
.x1
);
1276 x1
= MAX (pdim
->bounds
.x0
, pdim
->bounds
.x1
);
1278 y0
= MIN (pdim
->bounds
.y0
, pdim
->bounds
.y1
);
1279 y1
= MAX (pdim
->bounds
.y0
, pdim
->bounds
.y1
);
1281 a
.n
= dest
->ld
.gotor
.page
;
1286 static void recurse_outline (fz_outline
*outline
, int level
)
1289 if (outline
->dest
.kind
== FZ_LINK_GOTO
) {
1290 struct anchor a
= desttoanchor (&outline
->dest
);
1293 printd ("o %d %d %d %d %s",
1294 level
, a
.n
, a
.y
, a
.h
, outline
->title
);
1298 printd ("emsg Unhandled outline kind %d for %s\n",
1299 outline
->dest
.kind
, outline
->title
);
1301 if (outline
->down
) {
1302 recurse_outline (outline
->down
, level
+ 1);
1304 outline
= outline
->next
;
1308 static void process_outline (void)
1310 fz_outline
*outline
;
1312 if (!state
.needoutline
) return;
1314 state
.needoutline
= 0;
1315 switch (state
.type
) {
1317 outline
= pdf_load_outline (state
.u
.pdf
);
1320 outline
= xps_load_outline (state
.u
.xps
);
1327 recurse_outline (outline
, 0);
1328 fz_free_outline (state
.ctx
, outline
);
1332 static char *strofspan (fz_text_span
*span
)
1337 size_t size
= 0, cap
= 80;
1339 p
= malloc (cap
+ 1);
1340 if (!p
) return NULL
;
1342 for (ch
= span
->text
; ch
< span
->text
+ span
->len
; ++ch
) {
1343 int n
= fz_runetochar (utf8
, ch
->c
);
1344 if (size
+ n
> cap
) {
1346 p
= realloc (p
, cap
+ 1);
1347 if (!p
) return NULL
;
1350 memcpy (p
+ size
, utf8
, n
);
1357 static int matchspan (regex_t
*re
, fz_text_page
*page
,
1358 fz_text_span
*span
, fz_matrix ctm
,
1359 int stop
, int pageno
, double start
)
1366 fz_point p1
, p2
, p3
, p4
;
1368 p
= strofspan (span
);
1371 ret
= regexec (re
, p
, 1, &rm
, 0);
1374 if (ret
!= REG_NOMATCH
) {
1377 size
= regerror (ret
, re
, errbuf
, sizeof (errbuf
));
1378 printd ("msg regexec error `%.*s'",
1379 (int) size
, errbuf
);
1387 for (a
= 0, c
= 0; c
< rm
.rm_so
&& a
< l
; a
++) {
1388 c
+= fz_runelen (span
->text
[a
].c
);
1390 for (b
= a
; c
< rm
.rm_eo
- 1 && b
< l
; b
++) {
1391 c
+= fz_runelen (span
->text
[b
].c
);
1394 if (fz_runelen (span
->text
[b
].c
) > 1) {
1398 fz_text_char_bbox (&sb
, span
, a
);
1399 fz_text_char_bbox (&eb
, span
, b
);
1411 printd ("firstmatch %d %d %f %f %f %f %f %f %f %f",
1418 printd ("progress 1 found at %d `%.*s' in %f sec",
1419 pageno
+ 1, (int) (rm
.rm_eo
- rm
.rm_so
), &p
[rm
.rm_so
],
1423 printd ("match %d %d %f %f %f %f %f %f %f %f",
1435 static int compareblocks (const void *l
, const void *r
)
1437 fz_text_block
const *ls
= l
;
1438 fz_text_block
const* rs
= r
;
1439 return ls
->bbox
.y0
- rs
->bbox
.y0
;
1442 /* wishful thinking function */
1443 static void search (regex_t
*re
, int pageno
, int y
, int forward
)
1448 union { void *ptr
; pdf_page
*pdfpage
; xps_page
*xpspage
; } u
;
1450 fz_text_sheet
*sheet
;
1451 struct pagedim
*pdim
, *pdimprev
;
1452 int stop
= 0, niters
= 0;
1455 if (!(state
.type
== DPDF
|| state
.type
== DXPS
))
1459 while (pageno
>= 0 && pageno
< state
.pagecount
&& !stop
) {
1460 if (niters
++ == 5) {
1463 printd ("progress 1 attention requested aborting search at %d",
1468 printd ("progress %f searching in page %d",
1469 (double) (pageno
+ 1) / state
.pagecount
,
1474 for (i
= 0; i
< state
.pagedimcount
; ++i
) {
1475 pdim
= &state
.pagedims
[i
];
1476 if (pdim
->pageno
== pageno
) {
1479 if (pdim
->pageno
> pageno
) {
1488 sheet
= fz_new_text_sheet (state
.ctx
);
1489 text
= fz_new_text_page (state
.ctx
);
1490 tdev
= fz_new_text_device (state
.ctx
, sheet
, text
);
1492 switch (state
.type
) {
1495 fz_try (state
.ctx
) {
1496 u
.pdfpage
= pdf_load_page (state
.u
.pdf
, pageno
);
1497 trimctm (u
.pdfpage
, pdim
- state
.pagedims
);
1498 fz_concat (&ctm
, &pdim
->tctm
, &pdim
->zoomctm
);
1499 fz_begin_page (tdev
, &fz_infinite_rect
, &ctm
);
1500 pdf_run_page (state
.u
.pdf
, u
.pdfpage
, tdev
, &ctm
, NULL
);
1503 fz_catch (state
.ctx
) {
1504 fz_free_device (tdev
);
1511 u
.xpspage
= xps_load_page (state
.u
.xps
, pageno
);
1512 xps_run_page (state
.u
.xps
, u
.xpspage
, tdev
, &pdim
->ctm
, NULL
);
1516 ARSERT (0 && state
.type
);
1519 qsort (text
->blocks
, text
->len
, sizeof (*text
->blocks
), compareblocks
);
1520 fz_free_device (tdev
);
1522 for (j
= 0; j
< text
->len
; ++j
) {
1525 fz_text_block
*block
;
1527 pb
= &text
->blocks
[forward
? j
: text
->len
- 1 - j
];
1528 if (pb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
1531 for (k
= 0; k
< block
->len
; ++k
) {
1536 line
= &block
->lines
[k
];
1537 if (line
->bbox
.y0
< y
+ 1) continue;
1540 line
= &block
->lines
[block
->len
- 1 - k
];
1541 if (line
->bbox
.y0
> y
- 1) continue;
1544 for (span
= line
->first_span
; span
; span
= span
->next
) {
1545 switch (matchspan (re
, text
, span
, ctm
,
1546 stop
, pageno
, start
)) {
1548 case 1: stop
= 1; break;
1549 case -1: stop
= 1; goto endloop
;
1564 fz_free_text_page (state
.ctx
, text
);
1565 fz_free_text_sheet (state
.ctx
, sheet
);
1567 state
.freepage (u
.ptr
);
1572 printd ("progress 1 no matches %f sec", end
- start
);
1574 printd ("clearrects");
1577 static void set_tex_params (int colorspace
)
1584 switch (colorspace
) {
1586 state
.texiform
= GL_RGBA8
;
1587 state
.texform
= GL_RGBA
;
1588 state
.texty
= GL_UNSIGNED_BYTE
;
1589 state
.colorspace
= fz_device_rgb (state
.ctx
);
1592 state
.texiform
= GL_RGBA8
;
1593 state
.texform
= GL_BGRA
;
1594 state
.texty
= endianness
.s
> 1
1595 ? GL_UNSIGNED_INT_8_8_8_8
1596 : GL_UNSIGNED_INT_8_8_8_8_REV
;
1597 state
.colorspace
= fz_device_bgr (state
.ctx
);
1600 state
.texiform
= GL_LUMINANCE_ALPHA
;
1601 state
.texform
= GL_LUMINANCE_ALPHA
;
1602 state
.texty
= GL_UNSIGNED_BYTE
;
1603 state
.colorspace
= fz_device_gray (state
.ctx
);
1606 errx (1, "invalid colorspce %d", colorspace
);
1610 static void realloctexts (int texcount
)
1614 if (texcount
== state
.texcount
) return;
1616 if (texcount
< state
.texcount
) {
1617 glDeleteTextures (state
.texcount
- texcount
,
1618 state
.texids
+ texcount
);
1621 size
= texcount
* sizeof (*state
.texids
);
1622 state
.texids
= realloc (state
.texids
, size
);
1623 if (!state
.texids
) {
1624 err (1, "realloc texids %" FMT_s
, size
);
1627 size
= texcount
* sizeof (*state
.texowners
);
1628 state
.texowners
= realloc (state
.texowners
, size
);
1629 if (!state
.texowners
) {
1630 err (1, "realloc texowners %" FMT_s
, size
);
1632 if (texcount
> state
.texcount
) {
1635 glGenTextures (texcount
- state
.texcount
,
1636 state
.texids
+ state
.texcount
);
1637 for (i
= state
.texcount
; i
< texcount
; ++i
) {
1638 state
.texowners
[i
].w
= -1;
1639 state
.texowners
[i
].slice
= NULL
;
1642 state
.texcount
= texcount
;
1646 static char *mbtoutf8 (char *s
)
1652 len
= mbstowcs (NULL
, s
, strlen (s
));
1657 if (len
== (size_t) -1) {
1662 tmp
= malloc (len
* sizeof (wchar_t));
1667 ret
= mbstowcs (tmp
, s
, len
);
1668 if (ret
== (size_t) -1) {
1674 for (i
= 0; i
< ret
; ++i
) {
1675 len
+= fz_runelen (tmp
[i
]);
1678 p
= r
= malloc (len
+ 1);
1684 for (i
= 0; i
< ret
; ++i
) {
1685 p
+= fz_runetochar (p
, tmp
[i
]);
1692 CAMLprim value
ml_mbtoutf8 (value s_v
)
1698 s
= String_val (s_v
);
1704 ret_v
= caml_copy_string (r
);
1710 static void * mainloop (void *unused
)
1713 int len
, ret
, oldlen
= 0;
1718 errx (1, "readlen returned 0");
1721 if (oldlen
< len
+ 1) {
1722 p
= realloc (p
, len
+ 1);
1724 err (1, "realloc %d failed", len
+ 1);
1731 if (!strncmp ("open", p
, 4)) {
1738 ret
= sscanf (p
+ 5, " %d %d %n", &wthack
, &state
.cxack
, &off
);
1740 errx (1, "malformed open `%.*s' ret=%d", len
, p
, ret
);
1743 filename
= p
+ 5 + off
;
1744 filenamelen
= strlen (filename
);
1745 password
= filename
+ filenamelen
+ 1;
1748 openxref (filename
, password
);
1754 utf8filename
= mbtoutf8 (filename
);
1755 printd ("msg Opened %s (press h/F1 to get help)", utf8filename
);
1756 if (utf8filename
!= filename
) {
1757 free (utf8filename
);
1760 state
.needoutline
= 1;
1762 else if (!strncmp ("cs", p
, 2)) {
1765 ret
= sscanf (p
+ 2, " %d", &colorspace
);
1767 errx (1, "malformed cs `%.*s' ret=%d", len
, p
, ret
);
1770 set_tex_params (colorspace
);
1771 for (i
= 0; i
< state
.texcount
; ++i
) {
1772 state
.texowners
[i
].w
= -1;
1773 state
.texowners
[i
].slice
= NULL
;
1777 else if (!strncmp ("freepage", p
, 8)) {
1780 ret
= sscanf (p
+ 8, " %" FMT_ptr
, FMT_ptr_cast (&ptr
));
1782 errx (1, "malformed freepage `%.*s' ret=%d", len
, p
, ret
);
1786 else if (!strncmp ("freetile", p
, 8)) {
1789 ret
= sscanf (p
+ 8, " %" FMT_ptr
, FMT_ptr_cast (&ptr
));
1791 errx (1, "malformed freetile `%.*s' ret=%d", len
, p
, ret
);
1795 else if (!strncmp ("search", p
, 6)) {
1796 int icase
, pageno
, y
, ret
, len2
, forward
;
1800 ret
= sscanf (p
+ 6, " %d %d %d %d,%n",
1801 &icase
, &pageno
, &y
, &forward
, &len2
);
1803 errx (1, "malformed search `%s' ret=%d", p
, ret
);
1806 pattern
= p
+ 6 + len2
;
1807 ret
= regcomp (&re
, pattern
,
1808 REG_EXTENDED
| (icase
? REG_ICASE
: 0));
1813 size
= regerror (ret
, &re
, errbuf
, sizeof (errbuf
));
1814 printd ("msg regcomp failed `%.*s'", (int) size
, errbuf
);
1817 search (&re
, pageno
, y
, forward
);
1821 else if (!strncmp ("geometry", p
, 8)) {
1825 ret
= sscanf (p
+ 8, " %d %d %d", &w
, &h
, &fitmodel
);
1827 errx (1, "malformed geometry `%.*s' ret=%d", len
, p
, ret
);
1835 for (i
= 0; i
< state
.texcount
; ++i
) {
1836 state
.texowners
[i
].slice
= NULL
;
1839 state
.fitmodel
= fitmodel
;
1844 unlock ("geometry");
1845 printd ("continue %d", state
.pagecount
);
1847 else if (!strncmp ("reqlayout", p
, 9)) {
1849 int rotate
, fitmodel
, off
, h
;
1852 ret
= sscanf (p
+ 9, " %d %d %d %n",
1853 &rotate
, &fitmodel
, &h
, &off
);
1855 errx (1, "bad reqlayout line `%.*s' ret=%d", len
, p
, ret
);
1858 if (state
.rotate
!= rotate
|| state
.fitmodel
!= fitmodel
) {
1861 state
.rotate
= rotate
;
1862 state
.fitmodel
= fitmodel
;
1867 nameddest
= p
+ 9 + off
;
1868 if (state
.type
== DPDF
&& nameddest
&& *nameddest
) {
1871 pdf_obj
*needle
, *obj
;
1873 needle
= pdf_new_string (state
.u
.pdf
, nameddest
,
1874 strlen (nameddest
));
1875 obj
= pdf_lookup_dest (state
.u
.pdf
, needle
);
1877 dest
= pdf_parse_link_dest (state
.u
.pdf
, FZ_LINK_GOTO
, obj
);
1879 a
= desttoanchor (&dest
);
1881 printd ("a %d %d %d", a
.n
, a
.x
, a
.y
);
1884 printd ("emsg failed to parse destination `%s'\n",
1889 printd ("emsg destination `%s' not found\n",
1892 pdf_drop_obj (needle
);
1896 unlock ("reqlayout");
1897 printd ("continue %d", state
.pagecount
);
1899 else if (!strncmp ("page", p
, 4)) {
1902 int pageno
, pindex
, ret
;
1904 ret
= sscanf (p
+ 4, " %d %d", &pageno
, &pindex
);
1906 errx (1, "bad page line `%.*s' ret=%d", len
, p
, ret
);
1911 page
= loadpage (pageno
, pindex
);
1915 printd ("page %" FMT_ptr
" %f", FMT_ptr_cast2 (page
), b
- a
);
1917 else if (!strncmp ("tile", p
, 4)) {
1918 int x
, y
, w
, h
, ret
;
1924 ret
= sscanf (p
+ 4, " %" FMT_ptr
" %d %d %d %d %" FMT_ptr
,
1925 FMT_ptr_cast (&page
), &x
, &y
, &w
, &h
, &data
);
1927 errx (1, "bad tile line `%.*s' ret=%d", len
, p
, ret
);
1932 tile
= rendertile (page
, x
, y
, w
, h
, data
);
1936 printd ("tile %d %d %" FMT_ptr
" %u %f",
1938 FMT_ptr_cast2 (tile
),
1939 tile
->w
* tile
->h
* tile
->pixmap
->n
,
1942 else if (!strncmp ("settrim", p
, 7)) {
1946 ret
= sscanf (p
+ 7, " %d %d %d %d %d",
1947 &trimmargins
, &fuzz
.x0
, &fuzz
.y0
, &fuzz
.x1
, &fuzz
.y1
);
1949 errx (1, "malformed settrim `%.*s' ret=%d", len
, p
, ret
);
1953 state
.trimmargins
= trimmargins
;
1954 state
.needoutline
= 1;
1955 if (memcmp (&fuzz
, &state
.trimfuzz
, sizeof (fuzz
))) {
1957 state
.trimfuzz
= fuzz
;
1959 state
.pagedimcount
= 0;
1960 free (state
.pagedims
);
1961 state
.pagedims
= NULL
;
1966 printd ("continue %d", state
.pagecount
);
1968 else if (!strncmp ("sliceh", p
, 6)) {
1971 ret
= sscanf (p
+ 6, " %d", &h
);
1973 errx (1, "malformed sliceh `%.*s' ret=%d", len
, p
, ret
);
1975 if (h
!= state
.sliceheight
) {
1978 state
.sliceheight
= h
;
1979 for (i
= 0; i
< state
.texcount
; ++i
) {
1980 state
.texowners
[i
].w
= -1;
1981 state
.texowners
[i
].h
= -1;
1982 state
.texowners
[i
].slice
= NULL
;
1986 else if (!strncmp ("interrupt", p
, 9)) {
1987 printd ("vmsg interrupted");
1990 errx (1, "unknown command %.*s", len
, p
);
1996 CAMLprim value
ml_realloctexts (value texcount_v
)
1998 CAMLparam1 (texcount_v
);
2001 if (trylock ("ml_realloctexts")) {
2005 realloctexts (Int_val (texcount_v
));
2007 unlock ("ml_realloctexts");
2010 CAMLreturn (Val_bool (ok
));
2013 static void showsel (struct page
*page
, int ox
, int oy
)
2019 fz_page_block
*pageb
;
2020 fz_text_block
*block
;
2021 struct mark first
, last
;
2023 first
= page
->fmark
;
2026 if (!first
.span
|| !last
.span
) return;
2028 glEnable (GL_BLEND
);
2029 glBlendFunc (GL_SRC_ALPHA
, GL_SRC_ALPHA
);
2030 glColor4f (0.5f
, 0.5f
, 0.0f
, 0.6f
);
2032 ox
+= state
.pagedims
[page
->pdimno
].bounds
.x0
;
2033 oy
+= state
.pagedims
[page
->pdimno
].bounds
.y0
;
2034 for (pageb
= page
->text
->blocks
;
2035 pageb
< page
->text
->blocks
+ page
->text
->len
;
2037 if (pageb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
2038 block
= pageb
->u
.text
;
2040 for (line
= block
->lines
;
2041 line
< block
->lines
+ block
->len
;
2044 rect
= fz_empty_rect
;
2046 for (span
= line
->first_span
; span
; span
= span
->next
) {
2048 bbox
.x0
= bbox
.y0
= bbox
.x1
= bbox
.y1
= 0;
2053 if (span
== page
->fmark
.span
&& span
== page
->lmark
.span
) {
2055 j
= MIN (first
.i
, last
.i
);
2056 k
= MAX (first
.i
, last
.i
);
2058 else if (span
== first
.span
) {
2062 else if (span
== last
.span
) {
2068 for (i
= j
; i
<= k
; ++i
) {
2070 fz_union_rect (&rect
,
2071 fz_text_char_bbox (&bbox
, span
, i
));
2073 fz_round_rect (&bbox
, &rect
);
2074 lprintf ("%d %d %d %d oy=%d ox=%d\n",
2081 glRecti (bbox
.x0
+ ox
, bbox
.y0
+ oy
,
2082 bbox
.x1
+ ox
, bbox
.y1
+ oy
);
2083 if (span
== last
.span
) {
2091 glDisable (GL_BLEND
);
2096 static void highlightlinks (struct page
*page
, int xoff
, int yoff
)
2098 fz_matrix ctm
, tm
, pm
;
2099 fz_link
*link
, *links
;
2101 switch (page
->type
) {
2103 links
= page
->u
.pdfpage
->links
;
2107 links
= page
->u
.xpspage
->links
;
2114 glEnable (GL_TEXTURE_1D
);
2115 glEnable (GL_BLEND
);
2116 glBindTexture (GL_TEXTURE_1D
, state
.stid
);
2118 xoff
-= state
.pagedims
[page
->pdimno
].bounds
.x0
;
2119 yoff
-= state
.pagedims
[page
->pdimno
].bounds
.y0
;
2120 fz_translate (&tm
, xoff
, yoff
);
2121 pm
= pagectm (page
);
2122 fz_concat (&ctm
, &pm
, &tm
);
2125 for (link
= links
; link
; link
= link
->next
) {
2126 fz_point p1
, p2
, p3
, p4
;
2128 p1
.x
= link
->rect
.x0
;
2129 p1
.y
= link
->rect
.y0
;
2131 p2
.x
= link
->rect
.x1
;
2132 p2
.y
= link
->rect
.y0
;
2134 p3
.x
= link
->rect
.x1
;
2135 p3
.y
= link
->rect
.y1
;
2137 p4
.x
= link
->rect
.x0
;
2138 p4
.y
= link
->rect
.y1
;
2140 fz_transform_point (&p1
, &ctm
);
2141 fz_transform_point (&p2
, &ctm
);
2142 fz_transform_point (&p3
, &ctm
);
2143 fz_transform_point (&p4
, &ctm
);
2145 switch (link
->dest
.kind
) {
2146 case FZ_LINK_GOTO
: glColor3ub (255, 0, 0); break;
2147 case FZ_LINK_URI
: glColor3ub (0, 0, 255); break;
2148 case FZ_LINK_LAUNCH
: glColor3ub (0, 255, 0); break;
2149 default: glColor3ub (0, 0, 0); break;
2157 t
= sqrtf (w
*w
+ h
*h
) * .25f
;
2161 s
= sqrtf (w
*w
+ h
*h
) * .25f
;
2164 glVertex2f (p1
.x
, p1
.y
);
2166 glVertex2f (p2
.x
, p2
.y
);
2169 glVertex2f (p2
.x
, p2
.y
);
2171 glVertex2f (p3
.x
, p3
.y
);
2174 glVertex2f (p3
.x
, p3
.y
);
2176 glVertex2f (p4
.x
, p4
.y
);
2179 glVertex2f (p4
.x
, p4
.y
);
2181 glVertex2f (p1
.x
, p1
.y
);
2186 glDisable (GL_BLEND
);
2187 glDisable (GL_TEXTURE_1D
);
2190 static int compareslinks (const void *l
, const void *r
)
2192 struct slink
const *ls
= l
;
2193 struct slink
const *rs
= r
;
2194 if (ls
->bbox
.y0
== rs
->bbox
.y0
) {
2195 return rs
->bbox
.x0
- rs
->bbox
.x0
;
2197 return ls
->bbox
.y0
- rs
->bbox
.y0
;
2200 static void droptext (struct page
*page
)
2203 fz_free_text_page (state
.ctx
, page
->text
);
2206 page
->fmark
.span
= NULL
;
2207 page
->lmark
.span
= NULL
;
2211 fz_free_text_sheet (state
.ctx
, page
->sheet
);
2216 static void dropslinks (struct page
*page
)
2219 free (page
->slinks
);
2220 page
->slinks
= NULL
;
2221 page
->slinkcount
= 0;
2225 static void ensureslinks (struct page
*page
)
2229 size_t slinksize
= sizeof (*page
->slinks
);
2230 fz_link
*link
, *links
;
2232 if (state
.gen
!= page
->sgen
) {
2234 page
->sgen
= state
.gen
;
2236 if (page
->slinks
) return;
2238 switch (page
->type
) {
2240 links
= page
->u
.pdfpage
->links
;
2241 trimctm (page
->u
.pdfpage
, page
->pdimno
);
2243 &state
.pagedims
[page
->pdimno
].tctm
,
2244 &state
.pagedims
[page
->pdimno
].ctm
);
2248 links
= page
->u
.xpspage
->links
;
2249 ctm
= state
.pagedims
[page
->pdimno
].ctm
;
2256 for (link
= links
; link
; link
= link
->next
) {
2260 page
->slinkcount
= count
;
2261 page
->slinks
= calloc (count
, slinksize
);
2262 if (!page
->slinks
) {
2263 err (1, "realloc slinks %d", count
);
2266 for (i
= 0, link
= links
; link
; ++i
, link
= link
->next
) {
2270 fz_transform_rect (&rect
, &ctm
);
2271 page
->slinks
[i
].link
= link
;
2272 fz_round_rect (&page
->slinks
[i
].bbox
, &rect
);
2274 qsort (page
->slinks
, count
, slinksize
, compareslinks
);
2278 /* slightly tweaked fmt_ulong by D.J. Bernstein */
2279 static void fmt_linkn (char *s
, unsigned int u
)
2281 unsigned int len
; unsigned int q
;
2282 int zma
= 'z' - 'a' + 1;
2284 while (q
> zma
- 1) { ++len
; q
/= zma
; }
2287 do { *--s
= 'a' + (u
% zma
) - (u
< zma
&& len
> 1); u
/= zma
; } while(u
);
2288 /* handles u == 0 */
2293 static void highlightslinks (struct page
*page
, int xoff
, int yoff
,
2294 int noff
, char *targ
, int tlen
, int hfsize
)
2298 struct slink
*slink
;
2299 double x0
, y0
, x1
, y1
, w
;
2301 ensureslinks (page
);
2302 glColor3ub (0xc3, 0xb0, 0x91);
2303 for (i
= 0; i
< page
->slinkcount
; ++i
) {
2304 fmt_linkn (buf
, i
+ noff
);
2305 if (!tlen
|| !strncmp (targ
, buf
, tlen
)) {
2306 slink
= &page
->slinks
[i
];
2308 x0
= slink
->bbox
.x0
+ xoff
- 5;
2309 y1
= slink
->bbox
.y0
+ yoff
- 5;
2310 y0
= y1
+ 10 + hfsize
;
2311 w
= measure_string (state
.face
, hfsize
, buf
);
2313 glRectd (x0
, y0
, x1
, y1
);
2317 glEnable (GL_BLEND
);
2318 glBlendFunc (GL_SRC_ALPHA
, GL_ONE_MINUS_SRC_ALPHA
);
2319 glEnable (GL_TEXTURE_2D
);
2320 glColor3ub (0, 0, 0);
2321 for (i
= 0; i
< page
->slinkcount
; ++i
) {
2322 fmt_linkn (buf
, i
+ noff
);
2323 if (!tlen
|| !strncmp (targ
, buf
, tlen
)) {
2324 slink
= &page
->slinks
[i
];
2326 x0
= slink
->bbox
.x0
+ xoff
;
2327 y0
= slink
->bbox
.y0
+ yoff
+ hfsize
;
2328 draw_string (state
.face
, hfsize
, x0
, y0
, buf
);
2331 glDisable (GL_TEXTURE_2D
);
2332 glDisable (GL_BLEND
);
2336 static void uploadslice (struct tile
*tile
, struct slice
*slice
)
2339 struct slice
*slice1
;
2340 unsigned char *texdata
;
2343 for (slice1
= tile
->slices
; slice
!= slice1
; slice1
++) {
2344 offset
+= slice1
->h
* tile
->w
* tile
->pixmap
->n
;
2346 if (slice
->texindex
!= -1 && slice
->texindex
< state
.texcount
2347 && state
.texowners
[slice
->texindex
].slice
== slice
) {
2348 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[slice
->texindex
]);
2352 int texindex
= state
.texindex
++ % state
.texcount
;
2354 if (state
.texowners
[texindex
].w
== tile
->w
) {
2355 if (state
.texowners
[texindex
].h
>= slice
->h
) {
2359 state
.texowners
[texindex
].h
= slice
->h
;
2363 state
.texowners
[texindex
].h
= slice
->h
;
2366 state
.texowners
[texindex
].w
= tile
->w
;
2367 state
.texowners
[texindex
].slice
= slice
;
2368 slice
->texindex
= texindex
;
2370 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[texindex
]);
2372 state
.glBindBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
, tile
->pbo
->id
);
2376 texdata
= tile
->pixmap
->samples
;
2379 glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB
,
2391 glTexImage2D (GL_TEXTURE_RECTANGLE_ARB
,
2403 state
.glBindBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
, 0);
2408 CAMLprim value
ml_drawtile (value args_v
, value ptr_v
)
2410 CAMLparam2 (args_v
, ptr_v
);
2411 int dispx
= Int_val (Field (args_v
, 0));
2412 int dispy
= Int_val (Field (args_v
, 1));
2413 int dispw
= Int_val (Field (args_v
, 2));
2414 int disph
= Int_val (Field (args_v
, 3));
2415 int tilex
= Int_val (Field (args_v
, 4));
2416 int tiley
= Int_val (Field (args_v
, 5));
2417 char *s
= String_val (ptr_v
);
2418 struct tile
*tile
= parse_pointer ("ml_drawtile", s
);
2420 glEnable (GL_TEXTURE_RECTANGLE_ARB
);
2422 int slicey
, firstslice
;
2423 struct slice
*slice
;
2425 firstslice
= tiley
/ tile
->sliceheight
;
2426 slice
= &tile
->slices
[firstslice
];
2427 slicey
= tiley
% tile
->sliceheight
;
2432 dh
= slice
->h
- slicey
;
2433 dh
= MIN (disph
, dh
);
2434 uploadslice (tile
, slice
);
2438 glTexCoord2i (tilex
, slicey
);
2439 glVertex2i (dispx
, dispy
);
2441 glTexCoord2i (tilex
+dispw
, slicey
);
2442 glVertex2i (dispx
+dispw
, dispy
);
2444 glTexCoord2i (tilex
+dispw
, slicey
+dh
);
2445 glVertex2i (dispx
+dispw
, dispy
+dh
);
2447 glTexCoord2i (tilex
, slicey
+dh
);
2448 glVertex2i (dispx
, dispy
+dh
);
2455 ARSERT (!(slice
- tile
->slices
>= tile
->slicecount
&& disph
> 0));
2459 glDisable (GL_TEXTURE_RECTANGLE_ARB
);
2460 CAMLreturn (Val_unit
);
2463 CAMLprim value
ml_postprocess (value ptr_v
, value hlinks_v
,
2464 value xoff_v
, value yoff_v
,
2467 CAMLparam5 (ptr_v
, hlinks_v
, xoff_v
, yoff_v
, li_v
);
2468 int xoff
= Int_val (xoff_v
);
2469 int yoff
= Int_val (yoff_v
);
2470 int noff
= Int_val (Field (li_v
, 0));
2471 char *targ
= String_val (Field (li_v
, 1));
2472 int tlen
= caml_string_length (Field (li_v
, 1));
2473 int hfsize
= Int_val (Field (li_v
, 2));
2474 char *s
= String_val (ptr_v
);
2475 int hlmask
= Int_val (hlinks_v
);
2476 struct page
*page
= parse_pointer ("ml_postprocess", s
);
2479 /* deal with loadpage failed pages */
2483 if (hlmask
& 1) highlightlinks (page
, xoff
, yoff
);
2484 if (trylock ("ml_postprocess")) {
2489 highlightslinks (page
, xoff
, yoff
, noff
, targ
, tlen
, hfsize
);
2490 noff
= page
->slinkcount
;
2492 if (page
->tgen
== state
.gen
) {
2493 showsel (page
, xoff
, yoff
);
2495 unlock ("ml_postprocess");
2498 CAMLreturn (Val_int (noff
));
2501 static fz_link
*getlink (struct page
*page
, int x
, int y
)
2505 const fz_matrix
*tctm
;
2506 fz_link
*link
, *links
;
2508 switch (page
->type
) {
2510 trimctm (page
->u
.pdfpage
, page
->pdimno
);
2511 tctm
= &state
.pagedims
[page
->pdimno
].tctm
;
2512 links
= page
->u
.pdfpage
->links
;
2516 tctm
= &fz_identity
;
2517 links
= page
->u
.xpspage
->links
;
2526 fz_concat (&ctm
, tctm
, &state
.pagedims
[page
->pdimno
].ctm
);
2527 fz_invert_matrix (&ctm
, &ctm
);
2528 fz_transform_point (&p
, &ctm
);
2530 for (link
= links
; link
; link
= link
->next
) {
2531 if (p
.x
>= link
->rect
.x0
&& p
.x
<= link
->rect
.x1
) {
2532 if (p
.y
>= link
->rect
.y0
&& p
.y
<= link
->rect
.y1
) {
2540 static void ensuretext (struct page
*page
)
2542 if (state
.gen
!= page
->tgen
) {
2544 page
->tgen
= state
.gen
;
2550 page
->text
= fz_new_text_page (state
.ctx
);
2551 page
->sheet
= fz_new_text_sheet (state
.ctx
);
2552 tdev
= fz_new_text_device (state
.ctx
, page
->sheet
, page
->text
);
2553 ctm
= pagectm (page
);
2554 fz_begin_page (tdev
, &fz_infinite_rect
, &ctm
);
2555 fz_run_display_list (page
->dlist
, tdev
, &ctm
, &fz_infinite_rect
, NULL
);
2556 qsort (page
->text
->blocks
, page
->text
->len
,
2557 sizeof (*page
->text
->blocks
), compareblocks
);
2559 fz_free_device (tdev
);
2563 CAMLprim value
ml_find_page_with_links (value start_page_v
, value dir_v
)
2565 CAMLparam2 (start_page_v
, dir_v
);
2567 int i
, dir
= Int_val (dir_v
);
2568 int start_page
= Int_val (start_page_v
);
2569 int end_page
= dir
> 0 ? state
.pagecount
: -1;
2571 ret_v
= Val_int (0);
2572 if (!(state
.type
== DPDF
|| state
.type
== DXPS
)) {
2576 lock ("ml_findpage_with_links");
2577 for (i
= start_page
+ dir
; i
!= end_page
; i
+= dir
) {
2580 switch (state
.type
) {
2583 pdf_page
*page
= NULL
;
2585 fz_try (state
.ctx
) {
2586 page
= pdf_load_page (state
.u
.pdf
, i
);
2587 found
= !!page
->links
;
2589 fz_catch (state
.ctx
) {
2599 xps_page
*page
= xps_load_page (state
.u
.xps
, i
);
2600 found
= !!page
->links
;
2606 ARSERT (0 && "invalid document type");
2610 ret_v
= caml_alloc_small (1, 1);
2611 Field (ret_v
, 0) = Val_int (i
);
2616 unlock ("ml_findpage_with_links");
2622 enum { dir_first
, dir_last
};
2623 enum { dir_first_visible
, dir_left
, dir_right
, dir_down
, dir_up
};
2625 CAMLprim value
ml_findlink (value ptr_v
, value dir_v
)
2627 CAMLparam2 (ptr_v
, dir_v
);
2628 CAMLlocal2 (ret_v
, pos_v
);
2630 int dirtag
, i
, slinkindex
;
2631 struct slink
*found
= NULL
,*slink
;
2632 char *s
= String_val (ptr_v
);
2634 page
= parse_pointer ("ml_findlink", s
);
2635 ret_v
= Val_int (0);
2636 if (trylock ("ml_findlink")) {
2640 ensureslinks (page
);
2642 if (Is_block (dir_v
)) {
2643 dirtag
= Tag_val (dir_v
);
2645 case dir_first_visible
:
2647 int x0
, y0
, dir
, first_index
, last_index
;
2649 pos_v
= Field (dir_v
, 0);
2650 x0
= Int_val (Field (pos_v
, 0));
2651 y0
= Int_val (Field (pos_v
, 1));
2652 dir
= Int_val (Field (pos_v
, 2));
2657 last_index
= page
->slinkcount
;
2660 first_index
= page
->slinkcount
- 1;
2664 for (i
= first_index
; i
!= last_index
; i
+= dir
) {
2665 slink
= &page
->slinks
[i
];
2666 if (slink
->bbox
.y0
>= y0
&& slink
->bbox
.x0
>= x0
) {
2675 slinkindex
= Int_val (Field (dir_v
, 0));
2676 found
= &page
->slinks
[slinkindex
];
2677 for (i
= slinkindex
- 1; i
>= 0; --i
) {
2678 slink
= &page
->slinks
[i
];
2679 if (slink
->bbox
.x0
< found
->bbox
.x0
) {
2687 slinkindex
= Int_val (Field (dir_v
, 0));
2688 found
= &page
->slinks
[slinkindex
];
2689 for (i
= slinkindex
+ 1; i
< page
->slinkcount
; ++i
) {
2690 slink
= &page
->slinks
[i
];
2691 if (slink
->bbox
.x0
> found
->bbox
.x0
) {
2699 slinkindex
= Int_val (Field (dir_v
, 0));
2700 found
= &page
->slinks
[slinkindex
];
2701 for (i
= slinkindex
+ 1; i
< page
->slinkcount
; ++i
) {
2702 slink
= &page
->slinks
[i
];
2703 if (slink
->bbox
.y0
>= found
->bbox
.y0
) {
2711 slinkindex
= Int_val (Field (dir_v
, 0));
2712 found
= &page
->slinks
[slinkindex
];
2713 for (i
= slinkindex
- 1; i
>= 0; --i
) {
2714 slink
= &page
->slinks
[i
];
2715 if (slink
->bbox
.y0
<= found
->bbox
.y0
) {
2724 dirtag
= Int_val (dir_v
);
2727 found
= page
->slinks
;
2732 found
= page
->slinks
+ (page
->slinkcount
- 1);
2738 ret_v
= caml_alloc_small (2, 1);
2739 Field (ret_v
, 0) = Val_int (found
- page
->slinks
);
2742 unlock ("ml_findlink");
2747 enum { uuri
, ugoto
, utext
, uunexpected
,
2748 ulaunch
, unamed
, uremote
, uremotedest
};
2754 switch (link->dest.kind) { \
2755 case FZ_LINK_GOTO: \
2759 pageno = link->dest.ld.gotor.page; \
2763 if (link->dest.ld.gotor.flags & fz_link_flag_t_valid) { \
2764 p.y = link->dest.ld.gotor.lt.y; \
2765 fz_transform_point (&p, &pdim->lctm); \
2767 tup_v = caml_alloc_tuple (2); \
2768 ret_v = caml_alloc_small (1, ugoto); \
2769 Field (tup_v, 0) = Val_int (pageno); \
2770 Field (tup_v, 1) = Val_int (p.y); \
2771 Field (ret_v, 0) = tup_v; \
2776 str_v = caml_copy_string (link->dest.ld.uri.uri); \
2777 ret_v = caml_alloc_small (1, uuri); \
2778 Field (ret_v, 0) = str_v; \
2781 case FZ_LINK_LAUNCH: \
2782 str_v = caml_copy_string (link->dest.ld.launch.file_spec); \
2783 ret_v = caml_alloc_small (1, ulaunch); \
2784 Field (ret_v, 0) = str_v; \
2787 case FZ_LINK_NAMED: \
2788 str_v = caml_copy_string (link->dest.ld.named.named); \
2789 ret_v = caml_alloc_small (1, unamed); \
2790 Field (ret_v, 0) = str_v; \
2793 case FZ_LINK_GOTOR: \
2797 str_v = caml_copy_string (link->dest.ld.gotor.file_spec); \
2798 pageno = link->dest.ld.gotor.page; \
2799 if (pageno == -1) { \
2800 gr_v = caml_copy_string (link->dest.ld.gotor.dest); \
2801 rty = uremotedest; \
2804 gr_v = Val_int (pageno); \
2807 tup_v = caml_alloc_tuple (2); \
2808 ret_v = caml_alloc_small (1, rty); \
2809 Field (tup_v, 0) = str_v; \
2810 Field (tup_v, 1) = gr_v; \
2811 Field (ret_v, 0) = tup_v; \
2819 snprintf (buf, sizeof (buf), \
2820 "unhandled link kind %d", link->dest.kind); \
2821 str_v = caml_copy_string (buf); \
2822 ret_v = caml_alloc_small (1, uunexpected); \
2823 Field (ret_v, 0) = str_v; \
2829 CAMLprim value
ml_getlink (value ptr_v
, value n_v
)
2831 CAMLparam2 (ptr_v
, n_v
);
2832 CAMLlocal4 (ret_v
, tup_v
, str_v
, gr_v
);
2835 struct pagedim
*pdim
;
2836 char *s
= String_val (ptr_v
);
2838 ret_v
= Val_int (0);
2839 if (trylock ("ml_getlink")) {
2843 page
= parse_pointer ("ml_getlink", s
);
2844 ensureslinks (page
);
2845 pdim
= &state
.pagedims
[page
->pdimno
];
2846 link
= page
->slinks
[Int_val (n_v
)].link
;
2849 unlock ("ml_getlink");
2854 CAMLprim value
ml_getlinkcount (value ptr_v
)
2858 char *s
= String_val (ptr_v
);
2860 page
= parse_pointer ("ml_getlinkcount", s
);
2861 CAMLreturn (Val_int (page
->slinkcount
));
2864 CAMLprim value
ml_getlinkrect (value ptr_v
, value n_v
)
2866 CAMLparam2 (ptr_v
, n_v
);
2869 struct slink
*slink
;
2870 char *s
= String_val (ptr_v
);
2872 page
= parse_pointer ("ml_getlinkrect", s
);
2873 ret_v
= caml_alloc_tuple (4);
2874 if (trylock ("ml_getlinkrect")) {
2875 Field (ret_v
, 0) = Val_int (0);
2876 Field (ret_v
, 1) = Val_int (0);
2877 Field (ret_v
, 2) = Val_int (0);
2878 Field (ret_v
, 3) = Val_int (0);
2881 ensureslinks (page
);
2883 slink
= &page
->slinks
[Int_val (n_v
)];
2884 Field (ret_v
, 0) = Val_int (slink
->bbox
.x0
);
2885 Field (ret_v
, 1) = Val_int (slink
->bbox
.y0
);
2886 Field (ret_v
, 2) = Val_int (slink
->bbox
.x1
);
2887 Field (ret_v
, 3) = Val_int (slink
->bbox
.y1
);
2888 unlock ("ml_getlinkrect");
2894 CAMLprim value
ml_whatsunder (value ptr_v
, value x_v
, value y_v
)
2896 CAMLparam3 (ptr_v
, x_v
, y_v
);
2897 CAMLlocal4 (ret_v
, tup_v
, str_v
, gr_v
);
2900 char *s
= String_val (ptr_v
);
2901 int x
= Int_val (x_v
), y
= Int_val (y_v
);
2902 struct pagedim
*pdim
;
2904 ret_v
= Val_int (0);
2905 if (trylock ("ml_whatsunder")) {
2909 page
= parse_pointer ("ml_whatsunder", s
);
2910 pdim
= &state
.pagedims
[page
->pdimno
];
2911 x
+= pdim
->bounds
.x0
;
2912 y
+= pdim
->bounds
.y0
;
2913 link
= getlink (page
, x
, y
);
2919 fz_page_block
*pageb
;
2920 fz_text_block
*block
;
2923 for (pageb
= page
->text
->blocks
;
2924 pageb
< page
->text
->blocks
+ page
->text
->len
;
2927 if (pageb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
2928 block
= pageb
->u
.text
;
2931 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
2934 for (line
= block
->lines
;
2935 line
< block
->lines
+ block
->len
;
2940 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
2943 for (span
= line
->first_span
; span
; span
= span
->next
) {
2947 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
2950 for (charnum
= 0; charnum
< span
->len
; ++charnum
) {
2952 fz_text_char_bbox (&bbox
, span
, charnum
);
2955 if (x
>= b
->x0
&& x
<= b
->x1
2956 && y
>= b
->y0
&& y
<= b
->y1
) {
2957 fz_text_style
*style
= span
->text
->style
;
2959 style
->font
&& style
->font
->name
2961 : "Span has no font name"
2963 FT_FaceRec
*face
= style
->font
->ft_face
;
2964 if (face
&& face
->family_name
) {
2966 char *n1
= face
->family_name
;
2967 size_t l1
= strlen (n1
);
2968 size_t l2
= strlen (n2
);
2970 if (l1
!= l2
|| memcmp (n1
, n2
, l1
)) {
2971 s
= malloc (l1
+ l2
+ 2);
2975 memcpy (s
+ l2
+ 1, n1
, l1
+ 1);
2976 str_v
= caml_copy_string (s
);
2982 str_v
= caml_copy_string (n2
);
2984 ret_v
= caml_alloc_small (1, utext
);
2985 Field (ret_v
, 0) = str_v
;
2994 unlock ("ml_whatsunder");
3000 enum { mark_page
, mark_block
, mark_line
, mark_word
};
3002 static int uninteresting (int c
)
3004 return c
== ' ' || c
== '\n' || c
== '\t' || c
== '\n' || c
== '\r'
3008 CAMLprim value
ml_markunder (value ptr_v
, value x_v
, value y_v
, value mark_v
)
3010 CAMLparam4 (ptr_v
, x_v
, y_v
, mark_v
);
3015 fz_page_block
*pageb
;
3016 fz_text_block
*block
;
3017 struct pagedim
*pdim
;
3018 int mark
= Int_val (mark_v
);
3019 char *s
= String_val (ptr_v
);
3020 int x
= Int_val (x_v
), y
= Int_val (y_v
);
3022 ret_v
= Val_bool (0);
3023 if (trylock ("ml_markunder")) {
3027 page
= parse_pointer ("ml_markunder", s
);
3028 pdim
= &state
.pagedims
[page
->pdimno
];
3029 x
+= pdim
->bounds
.x0
;
3030 y
+= pdim
->bounds
.y0
;
3034 if (mark
== mark_page
) {
3037 for (i
= page
->text
->len
- 1; i
>= 0; --i
) {
3038 pageb
= &page
->text
->blocks
[i
];
3039 if (pageb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
3041 if (i
< 0) goto unlock
;
3043 block
= pageb
->u
.text
;
3046 page
->fmark
.span
= block
->lines
->first_span
;
3048 line
= &block
->lines
[block
->len
- 1];
3049 page
->lmark
.i
= line
->last_span
->len
- 1;
3050 page
->lmark
.span
= line
->last_span
;
3051 ret_v
= Val_bool (1);
3055 for (pageb
= page
->text
->blocks
;
3056 pageb
< page
->text
->blocks
+ page
->text
->len
;
3058 if (pageb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
3059 block
= pageb
->u
.text
;
3062 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
3065 if (mark
== mark_block
) {
3067 page
->fmark
.span
= block
->lines
->first_span
;
3069 line
= &block
->lines
[block
->len
- 1];
3070 page
->lmark
.i
= line
->last_span
->len
- 1;
3071 page
->lmark
.span
= line
->last_span
;
3072 ret_v
= Val_bool (1);
3076 for (line
= block
->lines
;
3077 line
< block
->lines
+ block
->len
;
3082 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
3085 if (mark
== mark_line
) {
3087 page
->fmark
.span
= line
->first_span
;
3089 page
->lmark
.i
= line
->last_span
->len
- 1;
3090 page
->lmark
.span
= line
->last_span
;
3091 ret_v
= Val_bool (1);
3095 for (span
= line
->first_span
; span
; span
= span
->next
) {
3099 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
3102 for (charnum
= 0; charnum
< span
->len
; ++charnum
) {
3104 fz_text_char_bbox (&bbox
, span
, charnum
);
3107 if (x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
) {
3109 int charnum2
, charnum3
= -1, charnum4
= -1;
3111 if (uninteresting (span
->text
[charnum
].c
)) goto unlock
;
3113 for (charnum2
= charnum
; charnum2
>= 0; --charnum2
) {
3114 if (uninteresting (span
->text
[charnum2
].c
)) {
3115 charnum3
= charnum2
+ 1;
3119 if (charnum3
== -1) charnum3
= 0;
3121 for (charnum2
= charnum
+ 1;
3122 charnum2
< span
->len
;
3124 if (uninteresting (span
->text
[charnum2
].c
)) break;
3125 charnum4
= charnum2
;
3127 if (charnum4
== -1) goto unlock
;
3129 page
->fmark
.i
= charnum3
;
3130 page
->fmark
.span
= span
;
3132 page
->lmark
.i
= charnum4
;
3133 page
->lmark
.span
= span
;
3134 ret_v
= Val_bool (1);
3142 if (!Bool_val (ret_v
)) {
3143 page
->fmark
.span
= NULL
;
3144 page
->lmark
.span
= NULL
;
3148 unlock ("ml_markunder");
3154 CAMLprim value
ml_rectofblock (value ptr_v
, value x_v
, value y_v
)
3156 CAMLparam3 (ptr_v
, x_v
, y_v
);
3157 CAMLlocal2 (ret_v
, res_v
);
3160 fz_page_block
*pageb
;
3161 struct pagedim
*pdim
;
3162 char *s
= String_val (ptr_v
);
3163 int x
= Int_val (x_v
), y
= Int_val (y_v
);
3165 ret_v
= Val_int (0);
3166 if (trylock ("ml_rectofblock")) {
3170 page
= parse_pointer ("ml_rectofblock", s
);
3171 pdim
= &state
.pagedims
[page
->pdimno
];
3172 x
+= pdim
->bounds
.x0
;
3173 y
+= pdim
->bounds
.y0
;
3177 for (pageb
= page
->text
->blocks
;
3178 pageb
< page
->text
->blocks
+ page
->text
->len
;
3180 switch (pageb
->type
) {
3181 case FZ_PAGE_BLOCK_TEXT
:
3182 b
= &pageb
->u
.text
->bbox
;
3185 case FZ_PAGE_BLOCK_IMAGE
:
3186 b
= &pageb
->u
.image
->bbox
;
3193 if (x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
)
3198 res_v
= caml_alloc_small (4 * Double_wosize
, Double_array_tag
);
3199 ret_v
= caml_alloc_small (1, 1);
3200 Store_double_field (res_v
, 0, b
->x0
);
3201 Store_double_field (res_v
, 1, b
->x1
);
3202 Store_double_field (res_v
, 2, b
->y0
);
3203 Store_double_field (res_v
, 3, b
->y1
);
3204 Field (ret_v
, 0) = res_v
;
3206 unlock ("ml_rectofblock");
3212 CAMLprim value
ml_seltext (value ptr_v
, value rect_v
)
3214 CAMLparam2 (ptr_v
, rect_v
);
3217 struct pagedim
*pdim
;
3218 int i
, x0
, x1
, y0
, y1
;
3219 char *s
= String_val (ptr_v
);
3221 fz_page_block
*pageb
;
3222 fz_text_block
*block
;
3223 fz_text_span
*span
, *fspan
, *lspan
;
3224 fz_text_line
*line
, *fline
= NULL
, *lline
= NULL
;
3226 if (trylock ("ml_seltext")) {
3230 page
= parse_pointer ("ml_seltext", s
);
3233 pdim
= &state
.pagedims
[page
->pdimno
];
3234 x0
= Int_val (Field (rect_v
, 0)) + pdim
->bounds
.x0
;;
3235 y0
= Int_val (Field (rect_v
, 1)) + pdim
->bounds
.y0
;
3236 x1
= Int_val (Field (rect_v
, 2)) + pdim
->bounds
.x0
;
3237 y1
= Int_val (Field (rect_v
, 3)) + pdim
->bounds
.y0
;
3240 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
3241 glColor3ub (128, 128, 128);
3242 glRecti (x0
, y0
, x1
, y1
);
3243 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
3246 fspan
= lspan
= NULL
;
3248 for (pageb
= page
->text
->blocks
;
3249 pageb
< page
->text
->blocks
+ page
->text
->len
;
3251 if (pageb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
3252 block
= pageb
->u
.text
;
3253 for (line
= block
->lines
;
3254 line
< block
->lines
+ block
->len
;
3258 for (span
= line
->first_span
; span
; span
= span
->next
) {
3259 for (i
= 0; i
< span
->len
; ++i
) {
3262 fz_text_char_bbox (&b
, span
, i
);
3264 if (x0
>= b
.x0
&& x0
<= b
.x1
3265 && y0
>= b
.y0
&& y0
<= b
.y1
) {
3271 if (x1
>= b
.x0
&& x1
<= b
.x1
3272 && y1
>= b
.y0
&& y1
<= b
.y1
) {
3278 if (0 && selected
) {
3279 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
3280 glColor3ub (128, 128, 128);
3281 glRecti (b
.x0
, b
.y0
, b
.x1
, b
.y1
);
3282 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
3288 if (y1
< y0
|| x1
< x0
) {
3291 if (fspan
== lspan
) {
3296 if (fline
!= lline
) {
3315 page
->fmark
.span
= fspan
;
3318 page
->lmark
.span
= lspan
;
3320 unlock ("ml_seltext");
3323 CAMLreturn (Val_unit
);
3326 static int UNUSED_ATTR
pipespan (FILE *f
, fz_text_span
*span
, int a
, int b
)
3331 for (i
= a
; i
<= b
; ++i
) {
3332 len
= fz_runetochar (buf
, span
->text
[i
].c
);
3333 ret
= fwrite (buf
, len
, 1, f
);
3336 fprintf (stderr
, "failed to write %d bytes ret=%d: %s\n",
3337 len
, ret
, strerror (errno
));
3345 value
ml_popen (value UNUSED_ATTR u1
, value UNUSED_ATTR u2
)
3347 caml_failwith ("ml_popen not implemented under Cygwin");
3350 CAMLprim value
ml_popen (value command_v
, value fds_v
)
3352 CAMLparam2 (command_v
, fds_v
);
3353 CAMLlocal2 (l_v
, tup_v
);
3356 value earg_v
= Nothing
;
3357 posix_spawnattr_t attr
;
3358 posix_spawn_file_actions_t fa
;
3359 char *argv
[] = { "/bin/sh", "-c", String_val (command_v
), NULL
};
3361 if ((ret
= posix_spawn_file_actions_init (&fa
)) != 0) {
3362 unix_error (ret
, "posix_spawn_file_actions_init", Nothing
);
3365 if ((ret
= posix_spawnattr_init (&attr
)) != 0) {
3366 msg
= "posix_spawnattr_init";
3370 #ifdef POSIX_SPAWN_USEVFORK
3371 if ((ret
= posix_spawnattr_setflags (&attr
, POSIX_SPAWN_USEVFORK
)) != 0) {
3372 msg
= "posix_spawnattr_setflags POSIX_SPAWN_USEVFORK";
3377 for (l_v
= fds_v
; l_v
!= Val_int (0); l_v
= Field (l_v
, 1)) {
3380 tup_v
= Field (l_v
, 0);
3381 fd1
= Int_val (Field (tup_v
, 0));
3382 fd2
= Int_val (Field (tup_v
, 1));
3384 if ((ret
= posix_spawn_file_actions_addclose (&fa
, fd1
)) != 0) {
3385 msg
= "posix_spawn_file_actions_addclose";
3391 if ((ret
= posix_spawn_file_actions_adddup2 (&fa
, fd1
, fd2
)) != 0) {
3392 msg
= "posix_spawn_file_actions_adddup2";
3399 if ((ret
= posix_spawn (NULL
, "/bin/sh", &fa
, &attr
, argv
, environ
))) {
3400 msg
= "posix_spawn";
3405 if ((ret
= posix_spawnattr_destroy (&attr
)) != 0) {
3406 fprintf (stderr
, "posix_spawnattr_destroy: %s\n", strerror (ret
));
3410 if ((ret
= posix_spawn_file_actions_destroy (&fa
)) != 0) {
3411 fprintf (stderr
, "posix_spawn_file_actions_destroy: %s\n",
3416 unix_error (ret
, msg
, earg_v
);
3418 CAMLreturn (Val_unit
);
3422 CAMLprim value
ml_copysel (value fd_v
, value ptr_v
, value clear_v
)
3424 CAMLparam3 (fd_v
, ptr_v
, clear_v
);
3429 fz_page_block
*pageb
;
3430 fz_text_block
*block
;
3431 int fd
= Int_val (fd_v
);
3432 char *s
= String_val (ptr_v
);
3433 int clear
= Bool_val (clear_v
);
3435 if (trylock ("ml_copysel")) {
3439 page
= parse_pointer ("ml_sopysel", s
);
3441 if (!page
->fmark
.span
|| !page
->lmark
.span
) {
3442 fprintf (stderr
, "nothing to copy\n");
3446 f
= fdopen (fd
, "w");
3448 fprintf (stderr
, "failed to fopen sel pipe: %s\n",
3453 for (pageb
= page
->text
->blocks
;
3454 pageb
< page
->text
->blocks
+ page
->text
->len
;
3456 if (pageb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
3457 block
= pageb
->u
.text
;
3458 for (line
= block
->lines
;
3459 line
< block
->lines
+ block
->len
;
3463 for (span
= line
->first_span
; span
; span
= span
->next
) {
3466 seen
|= span
== page
->fmark
.span
|| span
== page
->lmark
.span
;
3467 a
= span
== page
->fmark
.span
? page
->fmark
.i
: 0;
3468 b
= span
== page
->lmark
.span
? page
->lmark
.i
: span
->len
- 1;
3471 if (pipespan (f
, span
, a
, b
)) {
3474 if (span
== line
->last_span
) {
3475 if (putc ('\n', f
) == EOF
) {
3477 "failed break line on sel pipe: %s\n",
3482 if (span
== page
->lmark
.span
) {
3491 page
->lmark
.span
= NULL
;
3492 page
->fmark
.span
= NULL
;
3497 int ret
= fclose (f
);
3500 if (errno
!= ECHILD
) {
3501 fprintf (stderr
, "failed to close sel pipe: %s\n",
3507 unlock ("ml_copysel");
3512 fprintf (stderr
, "failed to close sel pipe: %s\n",
3516 CAMLreturn (Val_unit
);
3519 CAMLprim value
ml_getpdimrect (value pagedimno_v
)
3521 CAMLparam1 (pagedimno_v
);
3523 int pagedimno
= Int_val (pagedimno_v
);
3526 ret_v
= caml_alloc_small (4 * Double_wosize
, Double_array_tag
);
3527 if (trylock ("ml_getpdimrect")) {
3528 box
= fz_empty_rect
;
3531 box
= state
.pagedims
[pagedimno
].mediabox
;
3532 unlock ("ml_getpdimrect");
3535 Store_double_field (ret_v
, 0, box
.x0
);
3536 Store_double_field (ret_v
, 1, box
.x1
);
3537 Store_double_field (ret_v
, 2, box
.y0
);
3538 Store_double_field (ret_v
, 3, box
.y1
);
3543 CAMLprim value
ml_zoom_for_height (value winw_v
, value winh_v
,
3544 value dw_v
, value cols_v
)
3546 CAMLparam3 (winw_v
, winh_v
, dw_v
);
3552 double winw
= Int_val (winw_v
);
3553 double winh
= Int_val (winh_v
);
3554 double dw
= Int_val (dw_v
);
3555 double cols
= Int_val (cols_v
);
3556 double pw
= 1.0, ph
= 1.0;
3558 if (trylock ("ml_zoom_for_height")) {
3562 for (i
= 0, p
= state
.pagedims
; i
< state
.pagedimcount
; ++i
, ++p
) {
3563 double w
= p
->pagebox
.x1
/ cols
;
3564 double h
= p
->pagebox
.y1
;
3568 if (state
.fitmodel
!= FitProportional
) pw
= w
;
3570 if ((state
.fitmodel
== FitProportional
) && w
> pw
) pw
= w
;
3573 zoom
= (((winh
/ ph
) * pw
) + dw
) / winw
;
3574 unlock ("ml_zoom_for_height");
3576 ret_v
= caml_copy_double (zoom
);
3580 CAMLprim value
ml_draw_string (value pt_v
, value x_v
, value y_v
, value string_v
)
3582 CAMLparam4 (pt_v
, x_v
, y_v
, string_v
);
3584 int pt
= Int_val(pt_v
);
3585 int x
= Int_val (x_v
);
3586 int y
= Int_val (y_v
);
3589 w
= draw_string (state
.face
, pt
, x
, y
, String_val (string_v
));
3590 ret_v
= caml_copy_double (w
);
3594 CAMLprim value
ml_measure_string (value pt_v
, value string_v
)
3596 CAMLparam2 (pt_v
, string_v
);
3598 int pt
= Int_val (pt_v
);
3601 w
= measure_string (state
.face
, pt
, String_val (string_v
));
3602 ret_v
= caml_copy_double (w
);
3606 CAMLprim value
ml_getpagebox (value opaque_v
)
3608 CAMLparam1 (opaque_v
);
3614 char *s
= String_val (opaque_v
);
3615 struct page
*page
= parse_pointer ("ml_getpagebox", s
);
3617 ret_v
= caml_alloc_tuple (4);
3618 dev
= fz_new_bbox_device (state
.ctx
, &rect
);
3619 dev
->hints
|= FZ_IGNORE_SHADE
;
3621 switch (page
->type
) {
3623 ctm
= pagectm (page
);
3624 pdf_run_page (state
.u
.pdf
, page
->u
.pdfpage
, dev
, &ctm
, NULL
);
3628 ctm
= pagectm (page
);
3629 xps_run_page (state
.u
.xps
, page
->u
.xpspage
, dev
, &ctm
, NULL
);
3633 rect
= fz_infinite_rect
;
3637 fz_free_device (dev
);
3638 fz_round_rect (&bbox
, &rect
);
3639 Field (ret_v
, 0) = Val_int (bbox
.x0
);
3640 Field (ret_v
, 1) = Val_int (bbox
.y0
);
3641 Field (ret_v
, 2) = Val_int (bbox
.x1
);
3642 Field (ret_v
, 3) = Val_int (bbox
.y1
);
3647 CAMLprim value
ml_setaalevel (value level_v
)
3649 CAMLparam1 (level_v
);
3651 state
.aalevel
= Int_val (level_v
);
3652 CAMLreturn (Val_unit
);
3656 #include <X11/Xlib.h>
3662 GLXDrawable drawable
;
3665 #include "keysym2ucs.c"
3667 CAMLprim value
ml_keysymtoutf8 (value keysym_v
)
3669 CAMLparam1 (keysym_v
);
3671 KeySym keysym
= Int_val (keysym_v
);
3676 rune
= keysym2ucs (keysym
);
3677 len
= fz_runetochar (buf
, rune
);
3679 str_v
= caml_copy_string (buf
);
3683 CAMLprim value
ml_glx (value win_v
)
3686 XVisualInfo
*visual
;
3687 int screen
, wid
= Int_val (win_v
);
3688 int attributes
[] = { GLX_RGBA
, GLX_DOUBLEBUFFER
, None
};
3690 glx
.dpy
= XOpenDisplay (NULL
);
3692 caml_failwith ("XOpenDisplay");
3695 screen
= DefaultScreen (glx
.dpy
);
3696 visual
= glXChooseVisual (glx
.dpy
, screen
, attributes
);
3698 XCloseDisplay (glx
.dpy
);
3700 caml_failwith ("glXChooseVisual");
3703 glx
.ctx
= glXCreateContext (glx
.dpy
, visual
, NULL
, True
);
3706 XCloseDisplay (glx
.dpy
);
3708 caml_failwith ("glXCreateContext");
3711 if (!glXMakeCurrent (glx
.dpy
, wid
, glx
.ctx
)) {
3712 glXDestroyContext (glx
.dpy
, glx
.ctx
);
3713 XCloseDisplay (glx
.dpy
);
3716 caml_failwith ("glXMakeCurrent");
3719 CAMLreturn (Val_unit
);
3722 CAMLprim value
ml_swapb (value unit_v
)
3724 CAMLparam1 (unit_v
);
3725 glXSwapBuffers (glx
.dpy
, glx
.drawable
);
3726 CAMLreturn (Val_unit
);
3729 CAMLprim value
ml_glxsync (value unit_v
)
3731 CAMLparam1 (unit_v
);
3732 if (glx
.dpy
&& glx
.ctx
) {
3736 CAMLreturn (Val_unit
);
3739 enum { piunknown
, pilinux
, piosx
, pisun
, pifreebsd
,
3740 pidragonflybsd
, piopenbsd
, pinetbsd
, picygwin
};
3742 CAMLprim value
ml_platform (value unit_v
)
3744 CAMLparam1 (unit_v
);
3745 int platid
= piunknown
;
3747 #if defined __linux__
3749 #elif defined __CYGWIN__
3751 #elif defined __DragonFly__
3752 platid
= pidragonflybsd
;
3753 #elif defined __FreeBSD__
3755 #elif defined __OpenBSD__
3757 #elif defined __NetBSD__
3759 #elif defined __sun__
3761 #elif defined __APPLE__
3764 CAMLreturn (Val_int (platid
));
3767 CAMLprim value
ml_cloexec (value fd_v
)
3770 int fd
= Int_val (fd_v
);
3772 if (fcntl (fd
, F_SETFD
, FD_CLOEXEC
, 1)) {
3773 uerror ("fcntl", Nothing
);
3775 CAMLreturn (Val_unit
);
3778 CAMLprim value
ml_getpbo (value w_v
, value h_v
, value cs_v
)
3780 CAMLparam2 (w_v
, h_v
);
3783 int w
= Int_val (w_v
);
3784 int h
= Int_val (h_v
);
3785 int cs
= Int_val (cs_v
);
3787 if (state
.pbo_usable
) {
3788 pbo
= calloc (sizeof (*pbo
), 1);
3790 err (1, "calloc pbo");
3802 errx (1, "ml_getpbo: invalid colorspace %d", cs
);
3805 state
.glGenBuffersARB (1, &pbo
->id
);
3806 state
.glBindBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
, pbo
->id
);
3807 state
.glBufferDataARB (GL_PIXEL_UNPACK_BUFFER_ARB
, pbo
->size
,
3808 NULL
, GL_STREAM_DRAW
);
3809 pbo
->ptr
= state
.glMapBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
,
3811 state
.glBindBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
, 0);
3813 fprintf (stderr
, "glMapBufferARB failed: %#x\n", glGetError ());
3814 state
.glDeleteBuffersARB (1, &pbo
->id
);
3816 ret_v
= caml_copy_string ("0");
3822 res
= snprintf (NULL
, 0, "%" FMT_ptr
, pbo
);
3824 err (1, "snprintf %" FMT_ptr
" failed", pbo
);
3828 err (1, "malloc %d bytes failed", res
+1);
3830 res
= sprintf (s
, "%" FMT_ptr
, pbo
);
3832 err (1, "sprintf %" FMT_ptr
" failed", pbo
);
3834 ret_v
= caml_copy_string (s
);
3839 ret_v
= caml_copy_string ("0");
3844 CAMLprim value
ml_freepbo (value s_v
)
3847 char *s
= String_val (s_v
);
3848 struct tile
*tile
= parse_pointer ("ml_freepbo", s
);
3851 state
.glDeleteBuffersARB (1, &tile
->pbo
->id
);
3853 tile
->pbo
->ptr
= NULL
;
3854 tile
->pbo
->size
= -1;
3856 CAMLreturn (Val_unit
);
3859 CAMLprim value
ml_unmappbo (value s_v
)
3862 char *s
= String_val (s_v
);
3863 struct tile
*tile
= parse_pointer ("ml_unmappbo", s
);
3866 state
.glBindBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
, tile
->pbo
->id
);
3867 if (state
.glUnmapBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
) == GL_FALSE
) {
3868 errx (1, "glUnmapBufferARB failed: %#x\n", glGetError ());
3870 tile
->pbo
->ptr
= NULL
;
3871 state
.glBindBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
, 0);
3873 CAMLreturn (Val_unit
);
3876 static void setuppbo (void)
3878 #define GGPA(n) (*(void (**) ()) &state.n = glXGetProcAddress ((GLubyte *) #n))
3879 state
.pbo_usable
= GGPA (glBindBufferARB
)
3880 && GGPA (glUnmapBufferARB
)
3881 && GGPA (glMapBufferARB
)
3882 && GGPA (glBufferDataARB
)
3883 && GGPA (glGenBuffersARB
)
3884 && GGPA (glDeleteBuffersARB
);
3888 CAMLprim value
ml_pbo_usable (value unit_v
)
3890 CAMLparam1 (unit_v
);
3891 CAMLreturn (Val_bool (state
.pbo_usable
));
3894 CAMLprim value
ml_unproject (value ptr_v
, value x_v
, value y_v
)
3896 CAMLparam3 (ptr_v
, x_v
, y_v
);
3897 CAMLlocal2 (ret_v
, tup_v
);
3899 char *s
= String_val (ptr_v
);
3900 int x
= Int_val (x_v
), y
= Int_val (y_v
);
3901 struct pagedim
*pdim
;
3905 page
= parse_pointer ("ml_unproject", s
);
3906 pdim
= &state
.pagedims
[page
->pdimno
];
3908 ret_v
= Val_int (0);
3909 if (trylock ("ml_unproject")) {
3913 switch (page
->type
) {
3915 trimctm (page
->u
.pdfpage
, page
->pdimno
);
3924 fz_concat (&ctm
, &pdim
->tctm
, &pdim
->ctm
);
3925 fz_invert_matrix (&ctm
, &ctm
);
3926 fz_transform_point (&p
, &ctm
);
3928 tup_v
= caml_alloc_tuple (2);
3929 ret_v
= caml_alloc_small (1, 1);
3930 Field (tup_v
, 0) = Val_int (p
.x
);
3931 Field (tup_v
, 1) = Val_int (p
.y
);
3932 Field (ret_v
, 0) = tup_v
;
3934 unlock ("ml_unproject");
3939 static void makestippletex (void)
3941 const char pixels
[] = "\xff\xff\0\0";
3942 glGenTextures (1, &state
.stid
);
3943 glBindTexture (GL_TEXTURE_1D
, state
.stid
);
3944 glTexParameteri (GL_TEXTURE_1D
, GL_TEXTURE_MIN_FILTER
, GL_LINEAR
);
3945 glTexParameteri (GL_TEXTURE_1D
, GL_TEXTURE_MAG_FILTER
, GL_LINEAR
);
3958 CAMLprim value
ml_init (value pipe_v
, value params_v
)
3960 CAMLparam2 (pipe_v
, params_v
);
3961 CAMLlocal2 (trim_v
, fuzz_v
);
3968 struct sigaction sa
;
3970 state
.cr
= Int_val (Field (pipe_v
, 0));
3971 state
.cw
= Int_val (Field (pipe_v
, 1));
3972 state
.rotate
= Int_val (Field (params_v
, 0));
3973 state
.fitmodel
= Int_val (Field (params_v
, 1));
3974 trim_v
= Field (params_v
, 2);
3975 texcount
= Int_val (Field (params_v
, 3));
3976 state
.sliceheight
= Int_val (Field (params_v
, 4));
3977 mustoresize
= Int_val (Field (params_v
, 5));
3978 colorspace
= Int_val (Field (params_v
, 6));
3979 fontpath
= String_val (Field (params_v
, 7));
3981 state
.trimcachepath
= strdup (String_val (Field (params_v
, 8)));
3982 if (!state
.trimcachepath
) {
3983 fprintf (stderr
, "failed to strdup trimcachepath: %s\n",
3986 haspboext
= Bool_val (Field (params_v
, 9));
3988 state
.ctx
= fz_new_context (NULL
, NULL
, mustoresize
);
3990 state
.trimmargins
= Bool_val (Field (trim_v
, 0));
3991 fuzz_v
= Field (trim_v
, 1);
3992 state
.trimfuzz
.x0
= Int_val (Field (fuzz_v
, 0));
3993 state
.trimfuzz
.y0
= Int_val (Field (fuzz_v
, 1));
3994 state
.trimfuzz
.x1
= Int_val (Field (fuzz_v
, 2));
3995 state
.trimfuzz
.y1
= Int_val (Field (fuzz_v
, 3));
3997 set_tex_params (colorspace
);
4000 state
.face
= load_font (fontpath
);
4004 void *base
= pdf_lookup_substitute_font (0, 0, 0, 0, &len
);
4006 state
.face
= load_builtin_font (base
, len
);
4008 if (!state
.face
) _exit (1);
4010 realloctexts (texcount
);
4018 sa
.sa_handler
= SIG_IGN
;
4019 sa
.sa_flags
= SA_RESTART
| SA_NOCLDSTOP
;
4021 sa
.sa_handler
= SIG_DFL
;
4022 sa
.sa_flags
= SA_RESTART
| SA_NOCLDSTOP
| SA_NOCLDWAIT
;
4024 if (sigemptyset (&sa
.sa_mask
)) {
4025 err (1, "sigemptyset");
4027 if (sigaction (SIGCHLD
, &sa
, NULL
)) {
4028 err (1, "sigaction");
4031 ret
= pthread_create (&state
.thread
, NULL
, mainloop
, NULL
);
4033 errx (1, "pthread_create: %s", strerror (ret
));
4036 CAMLreturn (Val_unit
);