1 /* lots of code c&p-ed directly from mupdf */
13 #include <sys/types.h>
14 #include <sys/ioctl.h>
17 #include <cygwin/socket.h> /* FIONREAD */
28 #include <caml/fail.h>
29 #include <caml/alloc.h>
30 #include <caml/memory.h>
31 #include <caml/unixsupport.h>
33 #include <mupdf/fitz.h>
34 #include <mupdf/cbz.h>
35 #include <mupdf/pdf.h>
36 #include <mupdf/xps.h>
38 #include FT_FREETYPE_H
43 extern char **environ
;
46 #define MIN(a,b) ((a) < (b) ? (a) : (b))
47 #define MAX(a,b) ((a) > (b) ? (a) : (b))
50 #define NORETURN_ATTR __attribute__ ((noreturn))
51 #define UNUSED_ATTR __attribute__ ((unused))
52 #define OPTIMIZE_ATTR(n) __attribute__ ((optimize ("O"#n)))
53 #define GCC_FMT_ATTR(a, b) __attribute__ ((format (printf, a, b)))
57 #define OPTIMIZE_ATTR(n)
58 #define GCC_FMT_ATTR(a, b)
64 #define FMT_ptr_cast(p) (p)
65 #define FMT_ptr_cast2(p) (p)
67 static void NORETURN_ATTR
GCC_FMT_ATTR (2, 3)
68 err (int exitcode
, const char *fmt
, ...)
75 vfprintf (stderr
, fmt
, ap
);
77 fprintf (stderr
, ": %s\n", strerror (savederrno
));
82 static void NORETURN_ATTR
GCC_FMT_ATTR (2, 3)
83 errx (int exitcode
, const char *fmt
, ...)
88 vfprintf (stderr
, fmt
, ap
);
95 #ifndef GL_TEXTURE_RECTANGLE_ARB
96 #define GL_TEXTURE_RECTANGLE_ARB 0x84F5
100 #define GL_BGRA 0x80E1
103 #ifndef GL_UNSIGNED_INT_8_8_8_8
104 #define GL_UNSIGNED_INT_8_8_8_8 0x8035
107 #ifndef GL_UNSIGNED_INT_8_8_8_8_REV
108 #define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
112 #define lprintf printf
117 #define ARSERT(cond) for (;;) { \
119 errx (1, "%s:%d " #cond, __FILE__, __LINE__); \
135 struct slice slices
[1];
146 fz_matrix ctm
, zoomctm
, lctm
, tctm
;
154 enum { DPDF
, DXPS
, DCBZ
};
163 fz_text_sheet
*sheet
;
170 fz_display_list
*dlist
;
172 struct slink
*slinks
;
177 void (*freepage
) (void *);
183 struct pagedim
*pagedims
;
202 fz_colorspace
*colorspace
;
210 enum { FitWidth
, FitProportional
, FitPage
} fitmodel
;
224 void (*closedoc
) (void);
225 void (*freepage
) (void *);
233 void (*glBindBufferARB
) (GLenum
, GLuint
);
234 GLboolean (*glUnmapBufferARB
) (GLenum
);
235 void *(*glMapBufferARB
) (GLenum
, GLenum
);
236 void (*glBufferDataARB
) (GLenum
, GLsizei
, void *, GLenum
);
237 void (*glGenBuffersARB
) (GLsizei
, GLuint
*);
238 void (*glDeleteBuffersARB
) (GLsizei
, GLuint
*);
247 static void UNUSED_ATTR
debug_rect (const char *cap
, fz_rect r
)
249 printf ("%s(rect) %.2f,%.2f,%.2f,%.2f\n", cap
, r
.x0
, r
.y0
, r
.x1
, r
.y1
);
252 static void UNUSED_ATTR
debug_bbox (const char *cap
, fz_irect r
)
254 printf ("%s(bbox) %d,%d,%d,%d\n", cap
, r
.x0
, r
.y0
, r
.x1
, r
.y1
);
257 static void UNUSED_ATTR
debug_matrix (const char *cap
, fz_matrix m
)
259 printf ("%s(matrix) %.2f,%.2f,%.2f,%.2f %.2f %.2f\n", cap
,
260 m
.a
, m
.b
, m
.c
, m
.d
, m
.e
, m
.f
);
263 static pthread_mutex_t mutex
= PTHREAD_MUTEX_INITIALIZER
;
265 static void lock (const char *cap
)
267 int ret
= pthread_mutex_lock (&mutex
);
269 errx (1, "%s: pthread_mutex_lock: %s", cap
, strerror (ret
));
273 static void unlock (const char *cap
)
275 int ret
= pthread_mutex_unlock (&mutex
);
277 errx (1, "%s: pthread_mutex_unlock: %s", cap
, strerror (ret
));
281 static int trylock (const char *cap
)
283 int ret
= pthread_mutex_trylock (&mutex
);
284 if (ret
&& ret
!= EBUSY
) {
285 errx (1, "%s: pthread_mutex_trylock: %s", cap
, strerror (ret
));
290 static void *parse_pointer (const char *cap
, const char *s
)
295 ret
= sscanf (s
, "%" FMT_ptr
, FMT_ptr_cast (&ptr
));
297 errx (1, "%s: cannot parse pointer in `%s'", cap
, s
);
302 static double now (void)
306 if (gettimeofday (&tv
, NULL
)) {
307 err (1, "gettimeofday");
309 return tv
.tv_sec
+ tv
.tv_usec
*1e-6;
312 static int hasdata (void)
315 ret
= ioctl (state
.cr
, FIONREAD
, &avail
);
316 if (ret
) err (1, "hasdata: FIONREAD error ret=%d", ret
);
320 CAMLprim value
ml_hasdata (value fd_v
)
325 ret
= ioctl (Int_val (fd_v
), FIONREAD
, &avail
);
326 if (ret
) uerror ("ioctl (FIONREAD)", Nothing
);
327 CAMLreturn (Val_bool (avail
> 0));
330 static void readdata (void *p
, int size
)
335 n
= read (state
.cr
, p
, size
);
337 if (errno
== EINTR
) goto again
;
338 err (1, "read (req %d, ret %zd)", size
, n
);
341 if (!n
) errx (1, "EOF while reading");
342 errx (1, "read (req %d, ret %zd)", size
, n
);
346 static void writedata (char *p
, int size
)
351 buf
[0] = (size
>> 24) & 0xff;
352 buf
[1] = (size
>> 16) & 0xff;
353 buf
[2] = (size
>> 8) & 0xff;
354 buf
[3] = (size
>> 0) & 0xff;
356 n
= write (state
.cw
, buf
, 4);
358 if (!n
) errx (1, "EOF while writing length");
359 err (1, "write %zd", n
);
362 n
= write (state
.cw
, p
, size
);
364 if (!n
) errx (1, "EOF while writing data");
365 err (1, "write (req %d, ret %zd)", size
, n
);
369 static int readlen (void)
374 return (p
[0] << 24) | (p
[1] << 16) | (p
[2] << 8) | p
[3];
377 static void GCC_FMT_ATTR (1, 2) printd (const char *fmt
, ...)
385 if (!buf
) err (1, "malloc for temp buf (%d bytes) failed", size
);
388 len
= vsnprintf (buf
, size
, fmt
, ap
);
391 if (len
> -1 && len
< size
) {
392 writedata (buf
, len
);
402 buf
= realloc (buf
, size
);
407 static void closepdf (void)
410 pdf_close_document (state
.u
.pdf
);
415 static void closexps (void)
418 xps_close_document (state
.u
.xps
);
423 static void closecbz (void)
426 cbz_close_document (state
.u
.cbz
);
431 static void freepdfpage (void *ptr
)
433 pdf_free_page (state
.u
.pdf
, ptr
);
436 static void freeemptyxxxpage (void *ptr
)
441 static void freexpspage (void *ptr
)
443 xps_free_page (state
.u
.xps
, ptr
);
446 static void freecbzpage (void *ptr
)
448 cbz_free_page (state
.u
.cbz
, ptr
);
451 static void openxref (char *filename
, char *password
)
455 for (i
= 0; i
< state
.texcount
; ++i
) {
456 state
.texowners
[i
].w
= -1;
457 state
.texowners
[i
].slice
= NULL
;
460 if (state
.closedoc
) state
.closedoc ();
462 len
= strlen (filename
);
468 ext
[0] = tolower ((int) filename
[len
-3]);
469 ext
[1] = tolower ((int) filename
[len
-2]);
470 ext
[2] = tolower ((int) filename
[len
-1]);
472 /**/ if (ext
[0] == 'x' && ext
[1] == 'p' && ext
[2] == 's') {
475 else if (ext
[0] == 'c' && ext
[1] == 'b' && ext
[2] == 'z') {
480 if (state
.pagedims
) {
481 free (state
.pagedims
);
482 state
.pagedims
= NULL
;
484 state
.pagedimcount
= 0;
486 fz_set_aa_level (state
.ctx
, state
.aalevel
);
487 switch (state
.type
) {
489 state
.u
.pdf
= pdf_open_document (state
.ctx
, filename
);
490 if (pdf_needs_password (state
.u
.pdf
)) {
491 int okay
= pdf_authenticate_password (state
.u
.pdf
, password
);
493 errx (1, "invalid password");
496 state
.pagecount
= pdf_count_pages (state
.u
.pdf
);
497 state
.closedoc
= closepdf
;
498 state
.freepage
= freepdfpage
;
502 state
.u
.xps
= xps_open_document (state
.ctx
, filename
);
503 state
.pagecount
= xps_count_pages (state
.u
.xps
);
504 state
.closedoc
= closexps
;
505 state
.freepage
= freexpspage
;
509 state
.u
.cbz
= cbz_open_document (state
.ctx
, filename
);
510 state
.pagecount
= cbz_count_pages (state
.u
.cbz
);
511 state
.closedoc
= closecbz
;
512 state
.freepage
= freecbzpage
;
517 static void pdfinfo (void)
519 if (state
.type
== DPDF
) {
522 printd ("info PDF version\t%d.%d",
523 state
.u
.pdf
->version
/ 10, state
.u
.pdf
->version
% 10);
525 infoobj
= pdf_dict_gets (pdf_trailer (state
.u
.pdf
), "Info");
529 char *items
[] = { "Title", "Author", "Creator",
530 "Producer", "CreationDate" };
532 for (i
= 0; i
< sizeof (items
) / sizeof (*items
); ++i
) {
533 pdf_obj
*obj
= pdf_dict_gets (infoobj
, items
[i
]);
534 s
= pdf_to_utf8 (state
.u
.pdf
, obj
);
537 printd ("title %s", s
);
539 printd ("info %s\t%s", items
[i
], s
);
541 fz_free (state
.ctx
, s
);
548 static void unlinktile (struct tile
*tile
)
552 for (i
= 0; i
< tile
->slicecount
; ++i
) {
553 struct slice
*s
= &tile
->slices
[i
];
555 if (s
->texindex
!= -1) {
556 if (state
.texowners
[s
->texindex
].slice
== s
) {
557 state
.texowners
[s
->texindex
].slice
= NULL
;
563 static void freepage (struct page
*page
)
566 fz_free_text_page (state
.ctx
, page
->text
);
569 fz_free_text_sheet (state
.ctx
, page
->sheet
);
574 page
->freepage (page
->u
.ptr
);
575 fz_drop_display_list (state
.ctx
, page
->dlist
);
579 static void freetile (struct tile
*tile
)
584 fz_drop_pixmap (state
.ctx
, tile
->pixmap
);
587 fz_drop_pixmap (state
.ctx
, state
.pig
);
589 state
.pig
= tile
->pixmap
;
594 fz_drop_pixmap (state
.ctx
, tile
->pixmap
);
603 static int cacheline32bytes
;
605 static void __attribute__ ((constructor
)) clcheck (void)
607 char **envp
= environ
;
612 for (auxv
= (unsigned long *) envp
; *auxv
!= 0; auxv
+= 2) {
614 cacheline32bytes
= auxv
[1] == 32;
620 static void OPTIMIZE_ATTR (3) clearpixmap (fz_pixmap
*pixmap
)
622 size_t size
= pixmap
->w
* pixmap
->h
* pixmap
->n
;
623 if (cacheline32bytes
&& size
> 32) {
624 intptr_t a1
, a2
, diff
;
626 vector
unsigned char v
= vec_splat_u8 (-1);
627 vector
unsigned char *p
;
629 a1
= a2
= (intptr_t) pixmap
->samples
;
630 a2
= (a1
+ 31) & ~31;
635 while (a1
!= a2
) *(char *) a1
++ = 0xff;
636 for (i
= 0; i
< (sizea
& ~31); i
+= 32) {
637 __asm
volatile ("dcbz %0, %1"::"b"(a2
),"r"(i
));
639 vec_st (v
, i
+ 16, p
);
641 while (i
< sizea
) *((char *) a1
+ i
++) = 0xff;
643 else fz_clear_pixmap_with_value (state
.ctx
, pixmap
, 0xff);
646 #define clearpixmap(p) fz_clear_pixmap_with_value (state.ctx, p, 0xff)
649 static void trimctm (pdf_page
*page
, int pindex
)
652 struct pagedim
*pdim
= &state
.pagedims
[pindex
];
654 if (!pdim
->tctmready
) {
655 if (state
.trimmargins
) {
657 fz_matrix rm
, sm
, tm
, im
, ctm1
;
659 fz_rotate (&rm
, -pdim
->rotate
);
660 fz_scale (&sm
, 1, -1);
661 fz_concat (&ctm
, &rm
, &sm
);
662 realbox
= pdim
->mediabox
;
663 fz_transform_rect (&realbox
, &ctm
);
664 fz_translate (&tm
, -realbox
.x0
, -realbox
.y0
);
665 fz_concat (&ctm1
, &ctm
, &tm
);
666 fz_invert_matrix (&im
, &page
->ctm
);
667 fz_concat (&ctm
, &im
, &ctm1
);
677 static fz_matrix
pagectm (struct page
*page
)
681 if (page
->type
== DPDF
) {
682 trimctm (page
->u
.pdfpage
, page
->pdimno
);
684 &state
.pagedims
[page
->pdimno
].tctm
,
685 &state
.pagedims
[page
->pdimno
].ctm
);
688 struct pagedim
*pdim
= &state
.pagedims
[page
->pdimno
];
690 fz_translate (&tm
, -pdim
->mediabox
.x0
, -pdim
->mediabox
.y0
);
691 fz_concat (&ctm
, &tm
, &state
.pagedims
[page
->pdimno
].ctm
);
696 static void *loadpage (int pageno
, int pindex
)
701 page
= calloc (sizeof (struct page
), 1);
703 err (1, "calloc page %d", pageno
);
706 page
->dlist
= fz_new_display_list (state
.ctx
);
707 dev
= fz_new_list_device (state
.ctx
, page
->dlist
);
709 switch (state
.type
) {
711 page
->u
.pdfpage
= pdf_load_page (state
.u
.pdf
, pageno
);
712 pdf_run_page (state
.u
.pdf
, page
->u
.pdfpage
, dev
,
714 page
->freepage
= freepdfpage
;
718 page
->u
.xpspage
= xps_load_page (state
.u
.xps
, pageno
);
719 xps_run_page (state
.u
.xps
, page
->u
.xpspage
, dev
,
721 page
->freepage
= freexpspage
;
725 page
->u
.cbzpage
= cbz_load_page (state
.u
.cbz
, pageno
);
726 cbz_run_page (state
.u
.cbz
, page
->u
.cbzpage
, dev
,
728 page
->freepage
= freecbzpage
;
732 fz_catch (state
.ctx
) {
734 page
->freepage
= freeemptyxxxpage
;
736 fz_free_device (dev
);
738 page
->pdimno
= pindex
;
739 page
->pageno
= pageno
;
740 page
->sgen
= state
.gen
;
741 page
->tgen
= state
.gen
;
742 page
->type
= state
.type
;
747 static struct tile
*alloctile (int h
)
754 slicecount
= (h
+ state
.sliceheight
- 1) / state
.sliceheight
;
755 tilesize
= sizeof (*tile
) + ((slicecount
- 1) * sizeof (struct slice
));
756 tile
= calloc (tilesize
, 1);
758 err (1, "can not allocate tile (%" FMT_s
" bytes)", tilesize
);
760 for (i
= 0; i
< slicecount
; ++i
) {
761 int sh
= MIN (h
, state
.sliceheight
);
762 tile
->slices
[i
].h
= sh
;
763 tile
->slices
[i
].texindex
= -1;
766 tile
->slicecount
= slicecount
;
767 tile
->sliceheight
= state
.sliceheight
;
777 static void obs_fill_image (fz_device
*dev
, fz_image
*image
,
778 const fz_matrix
*ctm
, float alpha
)
780 struct obs
*obs
= dev
->user
;
782 if (!obs
->cured
&& fabs (1.0 - alpha
) < 1e6
) {
784 fz_rect rect
= fz_unit_rect
;
786 fz_transform_rect (&rect
, ctm
);
787 fz_round_rect (&b
, &rect
);
788 fz_intersect_irect (&b
, &obs
->b
);
789 obs
->cured
= b
.x0
== obs
->b
.x0
792 && b
.y1
== obs
->b
.y1
;
796 static int obscured (struct page
*page
, fz_irect bbox
)
803 memset (&dev
, 0, sizeof (dev
));
804 memset (&obs
, 0, sizeof (obs
));
809 dev
.fill_image
= obs_fill_image
;
811 fz_rect_from_irect (&rect
, &bbox
);
812 ctm
= pagectm (page
);
813 fz_run_display_list (page
->dlist
, &dev
, &ctm
, &rect
, NULL
);
816 #define OBSCURED obscured
818 #define OBSCURED(a, b) 0
821 static struct tile
*rendertile (struct page
*page
, int x
, int y
, int w
, int h
,
829 struct pagedim
*pdim
;
831 tile
= alloctile (h
);
832 pdim
= &state
.pagedims
[page
->pdimno
];
837 bbox
.x1
= bbox
.x0
+ w
;
838 bbox
.y1
= bbox
.y0
+ h
;
841 if (state
.pig
->w
== w
843 && state
.pig
->colorspace
== state
.colorspace
) {
844 tile
->pixmap
= state
.pig
;
845 tile
->pixmap
->x
= bbox
.x0
;
846 tile
->pixmap
->y
= bbox
.y0
;
849 fz_drop_pixmap (state
.ctx
, state
.pig
);
856 fz_new_pixmap_with_bbox_and_data (state
.ctx
, state
.colorspace
,
862 fz_new_pixmap_with_bbox (state
.ctx
, state
.colorspace
, &bbox
);
868 if (!page
->u
.ptr
|| ((w
< 128 && h
< 128) || !OBSCURED (page
, bbox
))) {
869 clearpixmap (tile
->pixmap
);
871 dev
= fz_new_draw_device (state
.ctx
, tile
->pixmap
);
872 ctm
= pagectm (page
);
873 fz_rect_from_irect (&rect
, &bbox
);
874 fz_run_display_list (page
->dlist
, dev
, &ctm
, &rect
, NULL
);
875 fz_free_device (dev
);
880 static void initpdims (void)
883 int pageno
, trim
, show
;
885 int trimw
= 0, cxcount
;
889 if (state
.trimmargins
&& state
.trimcachepath
) {
890 trimf
= fopen (state
.trimcachepath
, "rb");
892 trimf
= fopen (state
.trimcachepath
, "wb");
897 if (state
.trimmargins
|| state
.type
== DPDF
|| !state
.cxack
)
898 cxcount
= state
.pagecount
;
900 cxcount
= MIN (state
.pagecount
, 1);
902 for (pageno
= 0; pageno
< cxcount
; ++pageno
) {
907 switch (state
.type
) {
909 pdf_obj
*pageref
= pdf_lookup_page_obj (state
.u
.pdf
, pageno
);
910 pdf_obj
*pageobj
= pdf_resolve_indirect (pageref
);
912 if (state
.trimmargins
) {
917 page
= pdf_load_page (state
.u
.pdf
, pageno
);
918 obj
= pdf_dict_gets (pageobj
, "llpp.TrimBox");
919 trim
= state
.trimanew
|| !obj
;
925 dev
= fz_new_bbox_device (state
.ctx
, &rect
);
926 dev
->hints
|= FZ_IGNORE_SHADE
;
927 fz_invert_matrix (&ctm
, &page
->ctm
);
928 pdf_run_page (state
.u
.pdf
, page
, dev
,
930 fz_free_device (dev
);
932 rect
.x0
+= state
.trimfuzz
.x0
;
933 rect
.x1
+= state
.trimfuzz
.x1
;
934 rect
.y0
+= state
.trimfuzz
.y0
;
935 rect
.y1
+= state
.trimfuzz
.y1
;
936 fz_transform_rect (&rect
, &ctm
);
937 fz_intersect_rect (&rect
, &page
->mediabox
);
939 if (fz_is_empty_rect (&rect
)) {
940 mediabox
= page
->mediabox
;
946 obj
= pdf_new_array (state
.u
.pdf
, 4);
947 pdf_array_push (obj
, pdf_new_real (state
.u
.pdf
,
949 pdf_array_push (obj
, pdf_new_real (state
.u
.pdf
,
951 pdf_array_push (obj
, pdf_new_real (state
.u
.pdf
,
953 pdf_array_push (obj
, pdf_new_real (state
.u
.pdf
,
955 pdf_dict_puts (pageobj
, "llpp.TrimBox", obj
);
958 mediabox
.x0
= pdf_to_real (pdf_array_get (obj
, 0));
959 mediabox
.y0
= pdf_to_real (pdf_array_get (obj
, 1));
960 mediabox
.x1
= pdf_to_real (pdf_array_get (obj
, 2));
961 mediabox
.y1
= pdf_to_real (pdf_array_get (obj
, 3));
964 rotate
= page
->rotate
;
965 pdf_free_page (state
.u
.pdf
, page
);
967 show
= trim
? pageno
% 5 == 0 : pageno
% 20 == 0;
969 printd ("progress %f Trimming %d",
970 (double) (pageno
+ 1) / state
.pagecount
,
974 fz_catch (state
.ctx
) {
975 fprintf (stderr
, "failed to load page %d\n", pageno
+1);
981 pdf_to_rect (state
.ctx
, pdf_dict_gets (pageobj
, "MediaBox"),
983 if (fz_is_empty_rect (&mediabox
)) {
984 fprintf (stderr
, "cannot find page size for page %d\n",
992 pdf_to_rect (state
.ctx
, pdf_dict_gets (pageobj
, "CropBox"),
994 if (!fz_is_empty_rect (&cropbox
)) {
995 fz_intersect_rect (&mediabox
, &cropbox
);
997 rotate
= pdf_to_int (pdf_dict_gets (pageobj
, "Rotate"));
1006 fz_try (state
.ctx
) {
1007 page
= xps_load_page (state
.u
.xps
, pageno
);
1008 xps_bound_page (state
.u
.xps
, page
, &mediabox
);
1010 if (state
.trimmargins
) {
1014 dev
= fz_new_bbox_device (state
.ctx
, &rect
);
1015 dev
->hints
|= FZ_IGNORE_SHADE
;
1016 xps_run_page (state
.u
.xps
, page
, dev
,
1017 &fz_identity
, NULL
);
1018 fz_free_device (dev
);
1020 rect
.x0
+= state
.trimfuzz
.x0
;
1021 rect
.x1
+= state
.trimfuzz
.x1
;
1022 rect
.y0
+= state
.trimfuzz
.y0
;
1023 rect
.y1
+= state
.trimfuzz
.y1
;
1024 fz_intersect_rect (&rect
, &mediabox
);
1026 if (!fz_is_empty_rect (&rect
)) {
1030 xps_free_page (state
.u
.xps
, page
);
1032 printd ("progress %f loading %d",
1033 (double) (pageno
+ 1) / state
.pagecount
,
1037 fz_catch (state
.ctx
) {
1049 if (state
.trimmargins
&& trimw
) {
1052 fz_try (state
.ctx
) {
1053 page
= cbz_load_page (state
.u
.cbz
, pageno
);
1054 cbz_bound_page (state
.u
.cbz
, page
, &mediabox
);
1055 cbz_free_page (state
.u
.cbz
, page
);
1056 printd ("progress %f Trimming %d",
1057 (double) (pageno
+ 1) / state
.pagecount
,
1060 fz_catch (state
.ctx
) {
1061 fprintf (stderr
, "failed to load page %d\n", pageno
+1);
1064 int n
= fwrite (&mediabox
, sizeof (mediabox
), 1, trimf
);
1066 err (1, "fwrite trim mediabox");
1072 int n
= fread (&mediabox
, sizeof (mediabox
), 1, trimf
);
1074 err (1, "fread trim mediabox");
1080 fz_try (state
.ctx
) {
1081 page
= cbz_load_page (state
.u
.cbz
, pageno
);
1082 cbz_bound_page (state
.u
.cbz
, page
, &mediabox
);
1083 cbz_free_page (state
.u
.cbz
, page
);
1085 fz_catch (state
.ctx
) {
1086 fprintf (stderr
, "failed to load cbz page\n");
1095 ARSERT (0 && state
.type
);
1098 if (state
.pagedimcount
== 0
1099 || (p
= &state
.pagedims
[state
.pagedimcount
-1], p
->rotate
!= rotate
)
1100 || memcmp (&p
->mediabox
, &mediabox
, sizeof (mediabox
))) {
1103 size
= (state
.pagedimcount
+ 1) * sizeof (*state
.pagedims
);
1104 state
.pagedims
= realloc (state
.pagedims
, size
);
1105 if (!state
.pagedims
) {
1106 err (1, "realloc pagedims to %" FMT_s
" (%d elems)",
1107 size
, state
.pagedimcount
+ 1);
1110 p
= &state
.pagedims
[state
.pagedimcount
++];
1112 p
->mediabox
= mediabox
;
1117 if (state
.trimmargins
) {
1118 printd ("progress 1 Trimmed %d pages in %f seconds",
1119 state
.pagecount
, end
- start
);
1122 printd ("vmsg Processed %d pages in %f seconds",
1123 state
.pagecount
, end
- start
);
1127 if (fclose (trimf
)) {
1133 static void layout (void)
1138 struct pagedim
*p
= p
;
1139 double zw
, w
, maxw
= 0.0, zoom
= zoom
;
1141 if (state
.pagedimcount
== 0) return;
1143 switch (state
.fitmodel
) {
1144 case FitProportional
:
1145 for (pindex
= 0; pindex
< state
.pagedimcount
; ++pindex
) {
1148 p
= &state
.pagedims
[pindex
];
1149 fz_rotate (&rm
, p
->rotate
+ state
.rotate
);
1151 fz_transform_rect (&box
, &rm
);
1153 x0
= MIN (box
.x0
, box
.x1
);
1154 x1
= MAX (box
.x0
, box
.x1
);
1157 maxw
= MAX (w
, maxw
);
1158 zoom
= state
.w
/ maxw
;
1170 ARSERT (0 && state
.fitmodel
);
1173 for (pindex
= 0; pindex
< state
.pagedimcount
; ++pindex
) {
1177 p
= &state
.pagedims
[pindex
];
1178 fz_rotate (&ctm
, state
.rotate
);
1179 fz_rotate (&rm
, p
->rotate
+ state
.rotate
);
1181 fz_transform_rect (&box
, &rm
);
1182 w
= box
.x1
- box
.x0
;
1183 switch (state
.fitmodel
) {
1184 case FitProportional
:
1185 p
->left
= ((maxw
- w
) * zoom
) / 2.0;
1191 h
= box
.y1
- box
.y0
;
1193 zoom
= MIN (zw
, zh
);
1194 p
->left
= (maxw
- (w
* zoom
)) / 2.0;
1203 fz_scale (&p
->zoomctm
, zoom
, zoom
);
1204 fz_concat (&ctm
, &p
->zoomctm
, &ctm
);
1206 fz_rotate (&rm
, p
->rotate
);
1207 p
->pagebox
= p
->mediabox
;
1208 fz_transform_rect (&p
->pagebox
, &rm
);
1209 p
->pagebox
.x1
-= p
->pagebox
.x0
;
1210 p
->pagebox
.y1
-= p
->pagebox
.y0
;
1214 fz_transform_rect (&rect
, &ctm
);
1215 fz_round_rect (&p
->bounds
, &rect
);
1218 fz_translate (&tm
, 0, -p
->mediabox
.y1
);
1219 fz_scale (&sm
, zoom
, -zoom
);
1220 fz_concat (&ctm
, &tm
, &sm
);
1221 fz_concat (&p
->lctm
, &ctm
, &rm
);
1227 int x0
= MIN (p
->bounds
.x0
, p
->bounds
.x1
);
1228 int y0
= MIN (p
->bounds
.y0
, p
->bounds
.y1
);
1229 int x1
= MAX (p
->bounds
.x0
, p
->bounds
.x1
);
1230 int y1
= MAX (p
->bounds
.y0
, p
->bounds
.y1
);
1234 printd ("pdim %d %d %d %d", p
->pageno
, w
, h
, p
->left
);
1235 } while (p
-- != state
.pagedims
);
1239 struct anchor
{ int n
; int x
; int y
; int w
; int h
; }
1240 desttoanchor (fz_link_dest
*dest
)
1244 struct pagedim
*pdim
= state
.pagedims
;
1249 for (i
= 0; i
< state
.pagedimcount
; ++i
) {
1250 if (state
.pagedims
[i
].pageno
> dest
->ld
.gotor
.page
)
1252 pdim
= &state
.pagedims
[i
];
1254 if (dest
->ld
.gotor
.flags
& fz_link_flag_t_valid
) {
1256 if (dest
->ld
.gotor
.flags
& fz_link_flag_l_valid
)
1257 p
.x
= dest
->ld
.gotor
.lt
.x
;
1260 p
.y
= dest
->ld
.gotor
.lt
.y
;
1261 fz_transform_point (&p
, &pdim
->lctm
);
1265 if (dest
->ld
.gotor
.page
>= 0 && dest
->ld
.gotor
.page
< 1<<30) {
1266 double x0
, x1
, y0
, y1
;
1268 x0
= MIN (pdim
->bounds
.x0
, pdim
->bounds
.x1
);
1269 x1
= MAX (pdim
->bounds
.x0
, pdim
->bounds
.x1
);
1271 y0
= MIN (pdim
->bounds
.y0
, pdim
->bounds
.y1
);
1272 y1
= MAX (pdim
->bounds
.y0
, pdim
->bounds
.y1
);
1274 a
.n
= dest
->ld
.gotor
.page
;
1279 static void recurse_outline (fz_outline
*outline
, int level
)
1282 if (outline
->dest
.kind
== FZ_LINK_GOTO
) {
1283 struct anchor a
= desttoanchor (&outline
->dest
);
1286 printd ("o %d %d %d %d %s",
1287 level
, a
.n
, a
.y
, a
.h
, outline
->title
);
1291 printd ("emsg Unhandled outline kind %d for %s\n",
1292 outline
->dest
.kind
, outline
->title
);
1294 if (outline
->down
) {
1295 recurse_outline (outline
->down
, level
+ 1);
1297 outline
= outline
->next
;
1301 static void process_outline (void)
1303 fz_outline
*outline
;
1305 if (!state
.needoutline
) return;
1307 state
.needoutline
= 0;
1308 switch (state
.type
) {
1310 outline
= pdf_load_outline (state
.u
.pdf
);
1313 outline
= xps_load_outline (state
.u
.xps
);
1320 recurse_outline (outline
, 0);
1321 fz_free_outline (state
.ctx
, outline
);
1325 static char *strofspan (fz_text_span
*span
)
1330 size_t size
= 0, cap
= 80;
1332 p
= malloc (cap
+ 1);
1333 if (!p
) return NULL
;
1335 for (ch
= span
->text
; ch
< span
->text
+ span
->len
; ++ch
) {
1336 int n
= fz_runetochar (utf8
, ch
->c
);
1337 if (size
+ n
> cap
) {
1339 p
= realloc (p
, cap
+ 1);
1340 if (!p
) return NULL
;
1343 memcpy (p
+ size
, utf8
, n
);
1350 static int matchspan (regex_t
*re
, fz_text_page
*page
,
1351 fz_text_span
*span
, fz_matrix ctm
,
1352 int stop
, int pageno
, double start
)
1359 fz_point p1
, p2
, p3
, p4
;
1361 p
= strofspan (span
);
1364 ret
= regexec (re
, p
, 1, &rm
, 0);
1367 if (ret
!= REG_NOMATCH
) {
1370 size
= regerror (ret
, re
, errbuf
, sizeof (errbuf
));
1371 printd ("msg regexec error `%.*s'",
1372 (int) size
, errbuf
);
1380 for (a
= 0, c
= 0; c
< rm
.rm_so
&& a
< l
; a
++) {
1381 c
+= fz_runelen (span
->text
[a
].c
);
1383 for (b
= a
; c
< rm
.rm_eo
- 1 && b
< l
; b
++) {
1384 c
+= fz_runelen (span
->text
[b
].c
);
1387 if (fz_runelen (span
->text
[b
].c
) > 1) {
1391 fz_text_char_bbox (&sb
, span
, a
);
1392 fz_text_char_bbox (&eb
, span
, b
);
1404 printd ("firstmatch %d %d %f %f %f %f %f %f %f %f",
1411 printd ("progress 1 found at %d `%.*s' in %f sec",
1412 pageno
+ 1, (int) (rm
.rm_eo
- rm
.rm_so
), &p
[rm
.rm_so
],
1416 printd ("match %d %d %f %f %f %f %f %f %f %f",
1428 static int compareblocks (const void *l
, const void *r
)
1430 fz_text_block
const *ls
= l
;
1431 fz_text_block
const* rs
= r
;
1432 return ls
->bbox
.y0
- rs
->bbox
.y0
;
1435 /* wishful thinking function */
1436 static void search (regex_t
*re
, int pageno
, int y
, int forward
)
1441 union { void *ptr
; pdf_page
*pdfpage
; xps_page
*xpspage
; } u
;
1443 fz_text_sheet
*sheet
;
1444 struct pagedim
*pdim
, *pdimprev
;
1445 int stop
= 0, niters
= 0;
1448 if (!(state
.type
== DPDF
|| state
.type
== DXPS
))
1452 while (pageno
>= 0 && pageno
< state
.pagecount
&& !stop
) {
1453 if (niters
++ == 5) {
1456 printd ("progress 1 attention requested aborting search at %d",
1461 printd ("progress %f searching in page %d",
1462 (double) (pageno
+ 1) / state
.pagecount
,
1467 for (i
= 0; i
< state
.pagedimcount
; ++i
) {
1468 pdim
= &state
.pagedims
[i
];
1469 if (pdim
->pageno
== pageno
) {
1472 if (pdim
->pageno
> pageno
) {
1481 sheet
= fz_new_text_sheet (state
.ctx
);
1482 text
= fz_new_text_page (state
.ctx
);
1483 tdev
= fz_new_text_device (state
.ctx
, sheet
, text
);
1485 switch (state
.type
) {
1488 fz_try (state
.ctx
) {
1489 u
.pdfpage
= pdf_load_page (state
.u
.pdf
, pageno
);
1490 trimctm (u
.pdfpage
, pdim
- state
.pagedims
);
1491 fz_concat (&ctm
, &pdim
->tctm
, &pdim
->zoomctm
);
1492 fz_begin_page (tdev
, &fz_infinite_rect
, &ctm
);
1493 pdf_run_page (state
.u
.pdf
, u
.pdfpage
, tdev
, &ctm
, NULL
);
1496 fz_catch (state
.ctx
) {
1497 fz_free_device (tdev
);
1504 u
.xpspage
= xps_load_page (state
.u
.xps
, pageno
);
1505 xps_run_page (state
.u
.xps
, u
.xpspage
, tdev
, &pdim
->ctm
, NULL
);
1509 ARSERT (0 && state
.type
);
1512 qsort (text
->blocks
, text
->len
, sizeof (*text
->blocks
), compareblocks
);
1513 fz_free_device (tdev
);
1515 for (j
= 0; j
< text
->len
; ++j
) {
1518 fz_text_block
*block
;
1520 pb
= &text
->blocks
[forward
? j
: text
->len
- 1 - j
];
1521 if (pb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
1524 for (k
= 0; k
< block
->len
; ++k
) {
1529 line
= &block
->lines
[k
];
1530 if (line
->bbox
.y0
< y
+ 1) continue;
1533 line
= &block
->lines
[block
->len
- 1 - k
];
1534 if (line
->bbox
.y0
> y
- 1) continue;
1537 for (span
= line
->first_span
; span
; span
= span
->next
) {
1538 switch (matchspan (re
, text
, span
, ctm
,
1539 stop
, pageno
, start
)) {
1541 case 1: stop
= 1; break;
1542 case -1: stop
= 1; goto endloop
;
1557 fz_free_text_page (state
.ctx
, text
);
1558 fz_free_text_sheet (state
.ctx
, sheet
);
1560 state
.freepage (u
.ptr
);
1565 printd ("progress 1 no matches %f sec", end
- start
);
1567 printd ("clearrects");
1570 static void set_tex_params (int colorspace
)
1577 switch (colorspace
) {
1579 state
.texiform
= GL_RGBA8
;
1580 state
.texform
= GL_RGBA
;
1581 state
.texty
= GL_UNSIGNED_BYTE
;
1582 state
.colorspace
= fz_device_rgb (state
.ctx
);
1585 state
.texiform
= GL_RGBA8
;
1586 state
.texform
= GL_BGRA
;
1587 state
.texty
= endianness
.s
> 1
1588 ? GL_UNSIGNED_INT_8_8_8_8
1589 : GL_UNSIGNED_INT_8_8_8_8_REV
;
1590 state
.colorspace
= fz_device_bgr (state
.ctx
);
1593 state
.texiform
= GL_LUMINANCE_ALPHA
;
1594 state
.texform
= GL_LUMINANCE_ALPHA
;
1595 state
.texty
= GL_UNSIGNED_BYTE
;
1596 state
.colorspace
= fz_device_gray (state
.ctx
);
1599 errx (1, "invalid colorspce %d", colorspace
);
1603 static void realloctexts (int texcount
)
1607 if (texcount
== state
.texcount
) return;
1609 if (texcount
< state
.texcount
) {
1610 glDeleteTextures (state
.texcount
- texcount
,
1611 state
.texids
+ texcount
);
1614 size
= texcount
* sizeof (*state
.texids
);
1615 state
.texids
= realloc (state
.texids
, size
);
1616 if (!state
.texids
) {
1617 err (1, "realloc texids %" FMT_s
, size
);
1620 size
= texcount
* sizeof (*state
.texowners
);
1621 state
.texowners
= realloc (state
.texowners
, size
);
1622 if (!state
.texowners
) {
1623 err (1, "realloc texowners %" FMT_s
, size
);
1625 if (texcount
> state
.texcount
) {
1628 glGenTextures (texcount
- state
.texcount
,
1629 state
.texids
+ state
.texcount
);
1630 for (i
= state
.texcount
; i
< texcount
; ++i
) {
1631 state
.texowners
[i
].w
= -1;
1632 state
.texowners
[i
].slice
= NULL
;
1635 state
.texcount
= texcount
;
1639 static char *mbtoutf8 (char *s
)
1645 len
= mbstowcs (NULL
, s
, strlen (s
));
1650 if (len
== (size_t) -1) {
1655 tmp
= malloc (len
* sizeof (wchar_t));
1660 ret
= mbstowcs (tmp
, s
, len
);
1661 if (ret
== (size_t) -1) {
1667 for (i
= 0; i
< ret
; ++i
) {
1668 len
+= fz_runelen (tmp
[i
]);
1671 p
= r
= malloc (len
+ 1);
1677 for (i
= 0; i
< ret
; ++i
) {
1678 p
+= fz_runetochar (p
, tmp
[i
]);
1685 CAMLprim value
ml_mbtoutf8 (value s_v
)
1691 s
= String_val (s_v
);
1697 ret_v
= caml_copy_string (r
);
1703 static void * mainloop (void *unused
)
1706 int len
, ret
, oldlen
= 0;
1711 errx (1, "readlen returned 0");
1714 if (oldlen
< len
+ 1) {
1715 p
= realloc (p
, len
+ 1);
1717 err (1, "realloc %d failed", len
+ 1);
1724 if (!strncmp ("open", p
, 4)) {
1731 ret
= sscanf (p
+ 5, " %d %d %n", &wthack
, &state
.cxack
, &off
);
1733 errx (1, "malformed open `%.*s' ret=%d", len
, p
, ret
);
1736 filename
= p
+ 5 + off
;
1737 filenamelen
= strlen (filename
);
1738 password
= filename
+ filenamelen
+ 1;
1741 openxref (filename
, password
);
1747 utf8filename
= mbtoutf8 (filename
);
1748 printd ("msg Opened %s (press h/F1 to get help)", utf8filename
);
1749 if (utf8filename
!= filename
) {
1750 free (utf8filename
);
1753 state
.needoutline
= 1;
1755 else if (!strncmp ("cs", p
, 2)) {
1758 ret
= sscanf (p
+ 2, " %d", &colorspace
);
1760 errx (1, "malformed cs `%.*s' ret=%d", len
, p
, ret
);
1763 set_tex_params (colorspace
);
1764 for (i
= 0; i
< state
.texcount
; ++i
) {
1765 state
.texowners
[i
].w
= -1;
1766 state
.texowners
[i
].slice
= NULL
;
1770 else if (!strncmp ("freepage", p
, 8)) {
1773 ret
= sscanf (p
+ 8, " %" FMT_ptr
, FMT_ptr_cast (&ptr
));
1775 errx (1, "malformed freepage `%.*s' ret=%d", len
, p
, ret
);
1779 else if (!strncmp ("freetile", p
, 8)) {
1782 ret
= sscanf (p
+ 8, " %" FMT_ptr
, FMT_ptr_cast (&ptr
));
1784 errx (1, "malformed freetile `%.*s' ret=%d", len
, p
, ret
);
1788 else if (!strncmp ("search", p
, 6)) {
1789 int icase
, pageno
, y
, ret
, len2
, forward
;
1793 ret
= sscanf (p
+ 6, " %d %d %d %d,%n",
1794 &icase
, &pageno
, &y
, &forward
, &len2
);
1796 errx (1, "malformed search `%s' ret=%d", p
, ret
);
1799 pattern
= p
+ 6 + len2
;
1800 ret
= regcomp (&re
, pattern
,
1801 REG_EXTENDED
| (icase
? REG_ICASE
: 0));
1806 size
= regerror (ret
, &re
, errbuf
, sizeof (errbuf
));
1807 printd ("msg regcomp failed `%.*s'", (int) size
, errbuf
);
1810 search (&re
, pageno
, y
, forward
);
1814 else if (!strncmp ("geometry", p
, 8)) {
1818 ret
= sscanf (p
+ 8, " %d %d %d", &w
, &h
, &fitmodel
);
1820 errx (1, "malformed geometry `%.*s' ret=%d", len
, p
, ret
);
1828 for (i
= 0; i
< state
.texcount
; ++i
) {
1829 state
.texowners
[i
].slice
= NULL
;
1832 state
.fitmodel
= fitmodel
;
1837 unlock ("geometry");
1838 printd ("continue %d", state
.pagecount
);
1840 else if (!strncmp ("reqlayout", p
, 9)) {
1842 int rotate
, fitmodel
, off
, h
;
1845 ret
= sscanf (p
+ 9, " %d %d %d %n",
1846 &rotate
, &fitmodel
, &h
, &off
);
1848 errx (1, "bad reqlayout line `%.*s' ret=%d", len
, p
, ret
);
1851 if (state
.rotate
!= rotate
|| state
.fitmodel
!= fitmodel
) {
1854 state
.rotate
= rotate
;
1855 state
.fitmodel
= fitmodel
;
1860 nameddest
= p
+ 9 + off
;
1861 if (state
.type
== DPDF
&& nameddest
&& *nameddest
) {
1864 pdf_obj
*needle
, *obj
;
1866 needle
= pdf_new_string (state
.u
.pdf
, nameddest
,
1867 strlen (nameddest
));
1868 obj
= pdf_lookup_dest (state
.u
.pdf
, needle
);
1870 dest
= pdf_parse_link_dest (state
.u
.pdf
, FZ_LINK_GOTO
, obj
);
1872 a
= desttoanchor (&dest
);
1874 printd ("a %d %d %d", a
.n
, a
.x
, a
.y
);
1877 printd ("emsg failed to parse destination `%s'\n",
1882 printd ("emsg destination `%s' not found\n",
1885 pdf_drop_obj (needle
);
1889 unlock ("reqlayout");
1890 printd ("continue %d", state
.pagecount
);
1892 else if (!strncmp ("page", p
, 4)) {
1895 int pageno
, pindex
, ret
;
1897 ret
= sscanf (p
+ 4, " %d %d", &pageno
, &pindex
);
1899 errx (1, "bad page line `%.*s' ret=%d", len
, p
, ret
);
1904 page
= loadpage (pageno
, pindex
);
1908 printd ("page %" FMT_ptr
" %f", FMT_ptr_cast2 (page
), b
- a
);
1910 else if (!strncmp ("tile", p
, 4)) {
1911 int x
, y
, w
, h
, ret
;
1917 ret
= sscanf (p
+ 4, " %" FMT_ptr
" %d %d %d %d %" FMT_ptr
,
1918 FMT_ptr_cast (&page
), &x
, &y
, &w
, &h
, &data
);
1920 errx (1, "bad tile line `%.*s' ret=%d", len
, p
, ret
);
1925 tile
= rendertile (page
, x
, y
, w
, h
, data
);
1929 printd ("tile %d %d %" FMT_ptr
" %u %f",
1931 FMT_ptr_cast2 (tile
),
1932 tile
->w
* tile
->h
* tile
->pixmap
->n
,
1935 else if (!strncmp ("settrim", p
, 7)) {
1939 ret
= sscanf (p
+ 7, " %d %d %d %d %d",
1940 &trimmargins
, &fuzz
.x0
, &fuzz
.y0
, &fuzz
.x1
, &fuzz
.y1
);
1942 errx (1, "malformed settrim `%.*s' ret=%d", len
, p
, ret
);
1946 state
.trimmargins
= trimmargins
;
1947 state
.needoutline
= 1;
1948 if (memcmp (&fuzz
, &state
.trimfuzz
, sizeof (fuzz
))) {
1950 state
.trimfuzz
= fuzz
;
1952 state
.pagedimcount
= 0;
1953 free (state
.pagedims
);
1954 state
.pagedims
= NULL
;
1959 printd ("continue %d", state
.pagecount
);
1961 else if (!strncmp ("sliceh", p
, 6)) {
1964 ret
= sscanf (p
+ 6, " %d", &h
);
1966 errx (1, "malformed sliceh `%.*s' ret=%d", len
, p
, ret
);
1968 if (h
!= state
.sliceheight
) {
1971 state
.sliceheight
= h
;
1972 for (i
= 0; i
< state
.texcount
; ++i
) {
1973 state
.texowners
[i
].w
= -1;
1974 state
.texowners
[i
].h
= -1;
1975 state
.texowners
[i
].slice
= NULL
;
1979 else if (!strncmp ("interrupt", p
, 9)) {
1980 printd ("vmsg interrupted");
1983 errx (1, "unknown command %.*s", len
, p
);
1989 CAMLprim value
ml_realloctexts (value texcount_v
)
1991 CAMLparam1 (texcount_v
);
1994 if (trylock ("ml_realloctexts")) {
1998 realloctexts (Int_val (texcount_v
));
2000 unlock ("ml_realloctexts");
2003 CAMLreturn (Val_bool (ok
));
2006 static void showsel (struct page
*page
, int ox
, int oy
)
2012 fz_page_block
*pageb
;
2013 fz_text_block
*block
;
2014 struct mark first
, last
;
2016 first
= page
->fmark
;
2019 if (!first
.span
|| !last
.span
) return;
2021 glEnable (GL_BLEND
);
2022 glBlendFunc (GL_SRC_ALPHA
, GL_SRC_ALPHA
);
2023 glColor4f (0.5f
, 0.5f
, 0.0f
, 0.6f
);
2025 ox
+= state
.pagedims
[page
->pdimno
].bounds
.x0
;
2026 oy
+= state
.pagedims
[page
->pdimno
].bounds
.y0
;
2027 for (pageb
= page
->text
->blocks
;
2028 pageb
< page
->text
->blocks
+ page
->text
->len
;
2030 if (pageb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
2031 block
= pageb
->u
.text
;
2033 for (line
= block
->lines
;
2034 line
< block
->lines
+ block
->len
;
2037 rect
= fz_empty_rect
;
2039 for (span
= line
->first_span
; span
; span
= span
->next
) {
2041 bbox
.x0
= bbox
.y0
= bbox
.x1
= bbox
.y1
= 0;
2046 if (span
== page
->fmark
.span
&& span
== page
->lmark
.span
) {
2048 j
= MIN (first
.i
, last
.i
);
2049 k
= MAX (first
.i
, last
.i
);
2051 else if (span
== first
.span
) {
2055 else if (span
== last
.span
) {
2061 for (i
= j
; i
<= k
; ++i
) {
2063 fz_union_rect (&rect
,
2064 fz_text_char_bbox (&bbox
, span
, i
));
2066 fz_round_rect (&bbox
, &rect
);
2067 lprintf ("%d %d %d %d oy=%d ox=%d\n",
2074 glRecti (bbox
.x0
+ ox
, bbox
.y0
+ oy
,
2075 bbox
.x1
+ ox
, bbox
.y1
+ oy
);
2076 if (span
== last
.span
) {
2084 glDisable (GL_BLEND
);
2089 static void highlightlinks (struct page
*page
, int xoff
, int yoff
)
2091 fz_matrix ctm
, tm
, pm
;
2092 fz_link
*link
, *links
;
2094 switch (page
->type
) {
2096 links
= page
->u
.pdfpage
->links
;
2100 links
= page
->u
.xpspage
->links
;
2107 glEnable (GL_TEXTURE_1D
);
2108 glEnable (GL_BLEND
);
2109 glBindTexture (GL_TEXTURE_1D
, state
.stid
);
2111 xoff
-= state
.pagedims
[page
->pdimno
].bounds
.x0
;
2112 yoff
-= state
.pagedims
[page
->pdimno
].bounds
.y0
;
2113 fz_translate (&tm
, xoff
, yoff
);
2114 pm
= pagectm (page
);
2115 fz_concat (&ctm
, &pm
, &tm
);
2118 for (link
= links
; link
; link
= link
->next
) {
2119 fz_point p1
, p2
, p3
, p4
;
2121 p1
.x
= link
->rect
.x0
;
2122 p1
.y
= link
->rect
.y0
;
2124 p2
.x
= link
->rect
.x1
;
2125 p2
.y
= link
->rect
.y0
;
2127 p3
.x
= link
->rect
.x1
;
2128 p3
.y
= link
->rect
.y1
;
2130 p4
.x
= link
->rect
.x0
;
2131 p4
.y
= link
->rect
.y1
;
2133 fz_transform_point (&p1
, &ctm
);
2134 fz_transform_point (&p2
, &ctm
);
2135 fz_transform_point (&p3
, &ctm
);
2136 fz_transform_point (&p4
, &ctm
);
2138 switch (link
->dest
.kind
) {
2139 case FZ_LINK_GOTO
: glColor3ub (255, 0, 0); break;
2140 case FZ_LINK_URI
: glColor3ub (0, 0, 255); break;
2141 case FZ_LINK_LAUNCH
: glColor3ub (0, 255, 0); break;
2142 default: glColor3ub (0, 0, 0); break;
2150 t
= sqrtf (w
*w
+ h
*h
) * .25f
;
2154 s
= sqrtf (w
*w
+ h
*h
) * .25f
;
2157 glVertex2f (p1
.x
, p1
.y
);
2159 glVertex2f (p2
.x
, p2
.y
);
2162 glVertex2f (p2
.x
, p2
.y
);
2164 glVertex2f (p3
.x
, p3
.y
);
2167 glVertex2f (p3
.x
, p3
.y
);
2169 glVertex2f (p4
.x
, p4
.y
);
2172 glVertex2f (p4
.x
, p4
.y
);
2174 glVertex2f (p1
.x
, p1
.y
);
2179 glDisable (GL_BLEND
);
2180 glDisable (GL_TEXTURE_1D
);
2183 static int compareslinks (const void *l
, const void *r
)
2185 struct slink
const *ls
= l
;
2186 struct slink
const *rs
= r
;
2187 if (ls
->bbox
.y0
== rs
->bbox
.y0
) {
2188 return rs
->bbox
.x0
- rs
->bbox
.x0
;
2190 return ls
->bbox
.y0
- rs
->bbox
.y0
;
2193 static void droptext (struct page
*page
)
2196 fz_free_text_page (state
.ctx
, page
->text
);
2199 page
->fmark
.span
= NULL
;
2200 page
->lmark
.span
= NULL
;
2204 fz_free_text_sheet (state
.ctx
, page
->sheet
);
2209 static void dropslinks (struct page
*page
)
2212 free (page
->slinks
);
2213 page
->slinks
= NULL
;
2214 page
->slinkcount
= 0;
2218 static void ensureslinks (struct page
*page
)
2222 size_t slinksize
= sizeof (*page
->slinks
);
2223 fz_link
*link
, *links
;
2225 if (state
.gen
!= page
->sgen
) {
2227 page
->sgen
= state
.gen
;
2229 if (page
->slinks
) return;
2231 switch (page
->type
) {
2233 links
= page
->u
.pdfpage
->links
;
2234 trimctm (page
->u
.pdfpage
, page
->pdimno
);
2236 &state
.pagedims
[page
->pdimno
].tctm
,
2237 &state
.pagedims
[page
->pdimno
].ctm
);
2241 links
= page
->u
.xpspage
->links
;
2242 ctm
= state
.pagedims
[page
->pdimno
].ctm
;
2249 for (link
= links
; link
; link
= link
->next
) {
2253 page
->slinkcount
= count
;
2254 page
->slinks
= calloc (count
, slinksize
);
2255 if (!page
->slinks
) {
2256 err (1, "realloc slinks %d", count
);
2259 for (i
= 0, link
= links
; link
; ++i
, link
= link
->next
) {
2263 fz_transform_rect (&rect
, &ctm
);
2264 page
->slinks
[i
].link
= link
;
2265 fz_round_rect (&page
->slinks
[i
].bbox
, &rect
);
2267 qsort (page
->slinks
, count
, slinksize
, compareslinks
);
2271 /* slightly tweaked fmt_ulong by D.J. Bernstein */
2272 static void fmt_linkn (char *s
, unsigned int u
)
2274 unsigned int len
; unsigned int q
;
2275 int zma
= 'z' - 'a' + 1;
2277 while (q
> zma
- 1) { ++len
; q
/= zma
; }
2280 do { *--s
= 'a' + (u
% zma
) - (u
< zma
&& len
> 1); u
/= zma
; } while(u
);
2281 /* handles u == 0 */
2286 static void highlightslinks (struct page
*page
, int xoff
, int yoff
,
2287 int noff
, char *targ
, int tlen
, int hfsize
)
2291 struct slink
*slink
;
2292 double x0
, y0
, x1
, y1
, w
;
2294 ensureslinks (page
);
2295 glColor3ub (0xc3, 0xb0, 0x91);
2296 for (i
= 0; i
< page
->slinkcount
; ++i
) {
2297 fmt_linkn (buf
, i
+ noff
);
2298 if (!tlen
|| !strncmp (targ
, buf
, tlen
)) {
2299 slink
= &page
->slinks
[i
];
2301 x0
= slink
->bbox
.x0
+ xoff
- 5;
2302 y1
= slink
->bbox
.y0
+ yoff
- 5;
2303 y0
= y1
+ 10 + hfsize
;
2304 w
= measure_string (state
.face
, hfsize
, buf
);
2306 glRectd (x0
, y0
, x1
, y1
);
2310 glEnable (GL_BLEND
);
2311 glBlendFunc (GL_SRC_ALPHA
, GL_ONE_MINUS_SRC_ALPHA
);
2312 glEnable (GL_TEXTURE_2D
);
2313 glColor3ub (0, 0, 0);
2314 for (i
= 0; i
< page
->slinkcount
; ++i
) {
2315 fmt_linkn (buf
, i
+ noff
);
2316 if (!tlen
|| !strncmp (targ
, buf
, tlen
)) {
2317 slink
= &page
->slinks
[i
];
2319 x0
= slink
->bbox
.x0
+ xoff
;
2320 y0
= slink
->bbox
.y0
+ yoff
+ hfsize
;
2321 draw_string (state
.face
, hfsize
, x0
, y0
, buf
);
2324 glDisable (GL_TEXTURE_2D
);
2325 glDisable (GL_BLEND
);
2329 static void uploadslice (struct tile
*tile
, struct slice
*slice
)
2332 struct slice
*slice1
;
2333 unsigned char *texdata
;
2336 for (slice1
= tile
->slices
; slice
!= slice1
; slice1
++) {
2337 offset
+= slice1
->h
* tile
->w
* tile
->pixmap
->n
;
2339 if (slice
->texindex
!= -1 && slice
->texindex
< state
.texcount
2340 && state
.texowners
[slice
->texindex
].slice
== slice
) {
2341 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[slice
->texindex
]);
2345 int texindex
= state
.texindex
++ % state
.texcount
;
2347 if (state
.texowners
[texindex
].w
== tile
->w
) {
2348 if (state
.texowners
[texindex
].h
>= slice
->h
) {
2352 state
.texowners
[texindex
].h
= slice
->h
;
2356 state
.texowners
[texindex
].h
= slice
->h
;
2359 state
.texowners
[texindex
].w
= tile
->w
;
2360 state
.texowners
[texindex
].slice
= slice
;
2361 slice
->texindex
= texindex
;
2363 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[texindex
]);
2365 state
.glBindBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
, tile
->pbo
->id
);
2369 texdata
= tile
->pixmap
->samples
;
2372 glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB
,
2384 glTexImage2D (GL_TEXTURE_RECTANGLE_ARB
,
2396 state
.glBindBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
, 0);
2401 CAMLprim value
ml_drawtile (value args_v
, value ptr_v
)
2403 CAMLparam2 (args_v
, ptr_v
);
2404 int dispx
= Int_val (Field (args_v
, 0));
2405 int dispy
= Int_val (Field (args_v
, 1));
2406 int dispw
= Int_val (Field (args_v
, 2));
2407 int disph
= Int_val (Field (args_v
, 3));
2408 int tilex
= Int_val (Field (args_v
, 4));
2409 int tiley
= Int_val (Field (args_v
, 5));
2410 char *s
= String_val (ptr_v
);
2411 struct tile
*tile
= parse_pointer ("ml_drawtile", s
);
2413 glEnable (GL_TEXTURE_RECTANGLE_ARB
);
2415 int slicey
, firstslice
;
2416 struct slice
*slice
;
2418 firstslice
= tiley
/ tile
->sliceheight
;
2419 slice
= &tile
->slices
[firstslice
];
2420 slicey
= tiley
% tile
->sliceheight
;
2425 dh
= slice
->h
- slicey
;
2426 dh
= MIN (disph
, dh
);
2427 uploadslice (tile
, slice
);
2431 glTexCoord2i (tilex
, slicey
);
2432 glVertex2i (dispx
, dispy
);
2434 glTexCoord2i (tilex
+dispw
, slicey
);
2435 glVertex2i (dispx
+dispw
, dispy
);
2437 glTexCoord2i (tilex
+dispw
, slicey
+dh
);
2438 glVertex2i (dispx
+dispw
, dispy
+dh
);
2440 glTexCoord2i (tilex
, slicey
+dh
);
2441 glVertex2i (dispx
, dispy
+dh
);
2448 ARSERT (!(slice
- tile
->slices
>= tile
->slicecount
&& disph
> 0));
2452 glDisable (GL_TEXTURE_RECTANGLE_ARB
);
2453 CAMLreturn (Val_unit
);
2456 CAMLprim value
ml_postprocess (value ptr_v
, value hlinks_v
,
2457 value xoff_v
, value yoff_v
,
2460 CAMLparam5 (ptr_v
, hlinks_v
, xoff_v
, yoff_v
, li_v
);
2461 int xoff
= Int_val (xoff_v
);
2462 int yoff
= Int_val (yoff_v
);
2463 int noff
= Int_val (Field (li_v
, 0));
2464 char *targ
= String_val (Field (li_v
, 1));
2465 int tlen
= caml_string_length (Field (li_v
, 1));
2466 int hfsize
= Int_val (Field (li_v
, 2));
2467 char *s
= String_val (ptr_v
);
2468 int hlmask
= Int_val (hlinks_v
);
2469 struct page
*page
= parse_pointer ("ml_postprocess", s
);
2472 /* deal with loadpage failed pages */
2476 if (hlmask
& 1) highlightlinks (page
, xoff
, yoff
);
2477 if (trylock ("ml_postprocess")) {
2482 highlightslinks (page
, xoff
, yoff
, noff
, targ
, tlen
, hfsize
);
2483 noff
= page
->slinkcount
;
2485 if (page
->tgen
== state
.gen
) {
2486 showsel (page
, xoff
, yoff
);
2488 unlock ("ml_postprocess");
2491 CAMLreturn (Val_int (noff
));
2494 static fz_link
*getlink (struct page
*page
, int x
, int y
)
2498 const fz_matrix
*tctm
;
2499 fz_link
*link
, *links
;
2501 switch (page
->type
) {
2503 trimctm (page
->u
.pdfpage
, page
->pdimno
);
2504 tctm
= &state
.pagedims
[page
->pdimno
].tctm
;
2505 links
= page
->u
.pdfpage
->links
;
2509 tctm
= &fz_identity
;
2510 links
= page
->u
.xpspage
->links
;
2519 fz_concat (&ctm
, tctm
, &state
.pagedims
[page
->pdimno
].ctm
);
2520 fz_invert_matrix (&ctm
, &ctm
);
2521 fz_transform_point (&p
, &ctm
);
2523 for (link
= links
; link
; link
= link
->next
) {
2524 if (p
.x
>= link
->rect
.x0
&& p
.x
<= link
->rect
.x1
) {
2525 if (p
.y
>= link
->rect
.y0
&& p
.y
<= link
->rect
.y1
) {
2533 static void ensuretext (struct page
*page
)
2535 if (state
.gen
!= page
->tgen
) {
2537 page
->tgen
= state
.gen
;
2543 page
->text
= fz_new_text_page (state
.ctx
);
2544 page
->sheet
= fz_new_text_sheet (state
.ctx
);
2545 tdev
= fz_new_text_device (state
.ctx
, page
->sheet
, page
->text
);
2546 ctm
= pagectm (page
);
2547 fz_begin_page (tdev
, &fz_infinite_rect
, &ctm
);
2548 fz_run_display_list (page
->dlist
, tdev
, &ctm
, &fz_infinite_rect
, NULL
);
2549 qsort (page
->text
->blocks
, page
->text
->len
,
2550 sizeof (*page
->text
->blocks
), compareblocks
);
2552 fz_free_device (tdev
);
2556 CAMLprim value
ml_find_page_with_links (value start_page_v
, value dir_v
)
2558 CAMLparam2 (start_page_v
, dir_v
);
2560 int i
, dir
= Int_val (dir_v
);
2561 int start_page
= Int_val (start_page_v
);
2562 int end_page
= dir
> 0 ? state
.pagecount
: -1;
2564 ret_v
= Val_int (0);
2565 if (!(state
.type
== DPDF
|| state
.type
== DXPS
)) {
2569 lock ("ml_findpage_with_links");
2570 for (i
= start_page
+ dir
; i
!= end_page
; i
+= dir
) {
2573 switch (state
.type
) {
2576 pdf_page
*page
= NULL
;
2578 fz_try (state
.ctx
) {
2579 page
= pdf_load_page (state
.u
.pdf
, i
);
2580 found
= !!page
->links
;
2582 fz_catch (state
.ctx
) {
2592 xps_page
*page
= xps_load_page (state
.u
.xps
, i
);
2593 found
= !!page
->links
;
2599 ARSERT (0 && "invalid document type");
2603 ret_v
= caml_alloc_small (1, 1);
2604 Field (ret_v
, 0) = Val_int (i
);
2609 unlock ("ml_findpage_with_links");
2615 enum { dir_first
, dir_last
};
2616 enum { dir_first_visible
, dir_left
, dir_right
, dir_down
, dir_up
};
2618 CAMLprim value
ml_findlink (value ptr_v
, value dir_v
)
2620 CAMLparam2 (ptr_v
, dir_v
);
2621 CAMLlocal2 (ret_v
, pos_v
);
2623 int dirtag
, i
, slinkindex
;
2624 struct slink
*found
= NULL
,*slink
;
2625 char *s
= String_val (ptr_v
);
2627 page
= parse_pointer ("ml_findlink", s
);
2628 ret_v
= Val_int (0);
2629 if (trylock ("ml_findlink")) {
2633 ensureslinks (page
);
2635 if (Is_block (dir_v
)) {
2636 dirtag
= Tag_val (dir_v
);
2638 case dir_first_visible
:
2640 int x0
, y0
, dir
, first_index
, last_index
;
2642 pos_v
= Field (dir_v
, 0);
2643 x0
= Int_val (Field (pos_v
, 0));
2644 y0
= Int_val (Field (pos_v
, 1));
2645 dir
= Int_val (Field (pos_v
, 2));
2650 last_index
= page
->slinkcount
;
2653 first_index
= page
->slinkcount
- 1;
2657 for (i
= first_index
; i
!= last_index
; i
+= dir
) {
2658 slink
= &page
->slinks
[i
];
2659 if (slink
->bbox
.y0
>= y0
&& slink
->bbox
.x0
>= x0
) {
2668 slinkindex
= Int_val (Field (dir_v
, 0));
2669 found
= &page
->slinks
[slinkindex
];
2670 for (i
= slinkindex
- 1; i
>= 0; --i
) {
2671 slink
= &page
->slinks
[i
];
2672 if (slink
->bbox
.x0
< found
->bbox
.x0
) {
2680 slinkindex
= Int_val (Field (dir_v
, 0));
2681 found
= &page
->slinks
[slinkindex
];
2682 for (i
= slinkindex
+ 1; i
< page
->slinkcount
; ++i
) {
2683 slink
= &page
->slinks
[i
];
2684 if (slink
->bbox
.x0
> found
->bbox
.x0
) {
2692 slinkindex
= Int_val (Field (dir_v
, 0));
2693 found
= &page
->slinks
[slinkindex
];
2694 for (i
= slinkindex
+ 1; i
< page
->slinkcount
; ++i
) {
2695 slink
= &page
->slinks
[i
];
2696 if (slink
->bbox
.y0
>= found
->bbox
.y0
) {
2704 slinkindex
= Int_val (Field (dir_v
, 0));
2705 found
= &page
->slinks
[slinkindex
];
2706 for (i
= slinkindex
- 1; i
>= 0; --i
) {
2707 slink
= &page
->slinks
[i
];
2708 if (slink
->bbox
.y0
<= found
->bbox
.y0
) {
2717 dirtag
= Int_val (dir_v
);
2720 found
= page
->slinks
;
2725 found
= page
->slinks
+ (page
->slinkcount
- 1);
2731 ret_v
= caml_alloc_small (2, 1);
2732 Field (ret_v
, 0) = Val_int (found
- page
->slinks
);
2735 unlock ("ml_findlink");
2740 enum { uuri
, ugoto
, utext
, uunexpected
,
2741 ulaunch
, unamed
, uremote
, uremotedest
};
2747 switch (link->dest.kind) { \
2748 case FZ_LINK_GOTO: \
2752 pageno = link->dest.ld.gotor.page; \
2756 if (link->dest.ld.gotor.flags & fz_link_flag_t_valid) { \
2757 p.y = link->dest.ld.gotor.lt.y; \
2758 fz_transform_point (&p, &pdim->lctm); \
2760 tup_v = caml_alloc_tuple (2); \
2761 ret_v = caml_alloc_small (1, ugoto); \
2762 Field (tup_v, 0) = Val_int (pageno); \
2763 Field (tup_v, 1) = Val_int (p.y); \
2764 Field (ret_v, 0) = tup_v; \
2769 str_v = caml_copy_string (link->dest.ld.uri.uri); \
2770 ret_v = caml_alloc_small (1, uuri); \
2771 Field (ret_v, 0) = str_v; \
2774 case FZ_LINK_LAUNCH: \
2775 str_v = caml_copy_string (link->dest.ld.launch.file_spec); \
2776 ret_v = caml_alloc_small (1, ulaunch); \
2777 Field (ret_v, 0) = str_v; \
2780 case FZ_LINK_NAMED: \
2781 str_v = caml_copy_string (link->dest.ld.named.named); \
2782 ret_v = caml_alloc_small (1, unamed); \
2783 Field (ret_v, 0) = str_v; \
2786 case FZ_LINK_GOTOR: \
2790 str_v = caml_copy_string (link->dest.ld.gotor.file_spec); \
2791 pageno = link->dest.ld.gotor.page; \
2792 if (pageno == -1) { \
2793 gr_v = caml_copy_string (link->dest.ld.gotor.dest); \
2794 rty = uremotedest; \
2797 gr_v = Val_int (pageno); \
2800 tup_v = caml_alloc_tuple (2); \
2801 ret_v = caml_alloc_small (1, rty); \
2802 Field (tup_v, 0) = str_v; \
2803 Field (tup_v, 1) = gr_v; \
2804 Field (ret_v, 0) = tup_v; \
2812 snprintf (buf, sizeof (buf), \
2813 "unhandled link kind %d", link->dest.kind); \
2814 str_v = caml_copy_string (buf); \
2815 ret_v = caml_alloc_small (1, uunexpected); \
2816 Field (ret_v, 0) = str_v; \
2822 CAMLprim value
ml_getlink (value ptr_v
, value n_v
)
2824 CAMLparam2 (ptr_v
, n_v
);
2825 CAMLlocal4 (ret_v
, tup_v
, str_v
, gr_v
);
2828 struct pagedim
*pdim
;
2829 char *s
= String_val (ptr_v
);
2831 ret_v
= Val_int (0);
2832 if (trylock ("ml_getlink")) {
2836 page
= parse_pointer ("ml_getlink", s
);
2837 ensureslinks (page
);
2838 pdim
= &state
.pagedims
[page
->pdimno
];
2839 link
= page
->slinks
[Int_val (n_v
)].link
;
2842 unlock ("ml_getlink");
2847 CAMLprim value
ml_getlinkcount (value ptr_v
)
2851 char *s
= String_val (ptr_v
);
2853 page
= parse_pointer ("ml_getlinkcount", s
);
2854 CAMLreturn (Val_int (page
->slinkcount
));
2857 CAMLprim value
ml_getlinkrect (value ptr_v
, value n_v
)
2859 CAMLparam2 (ptr_v
, n_v
);
2862 struct slink
*slink
;
2863 char *s
= String_val (ptr_v
);
2865 page
= parse_pointer ("ml_getlinkrect", s
);
2866 ret_v
= caml_alloc_tuple (4);
2867 if (trylock ("ml_getlinkrect")) {
2868 Field (ret_v
, 0) = Val_int (0);
2869 Field (ret_v
, 1) = Val_int (0);
2870 Field (ret_v
, 2) = Val_int (0);
2871 Field (ret_v
, 3) = Val_int (0);
2874 ensureslinks (page
);
2876 slink
= &page
->slinks
[Int_val (n_v
)];
2877 Field (ret_v
, 0) = Val_int (slink
->bbox
.x0
);
2878 Field (ret_v
, 1) = Val_int (slink
->bbox
.y0
);
2879 Field (ret_v
, 2) = Val_int (slink
->bbox
.x1
);
2880 Field (ret_v
, 3) = Val_int (slink
->bbox
.y1
);
2881 unlock ("ml_getlinkrect");
2887 CAMLprim value
ml_whatsunder (value ptr_v
, value x_v
, value y_v
)
2889 CAMLparam3 (ptr_v
, x_v
, y_v
);
2890 CAMLlocal4 (ret_v
, tup_v
, str_v
, gr_v
);
2893 char *s
= String_val (ptr_v
);
2894 int x
= Int_val (x_v
), y
= Int_val (y_v
);
2895 struct pagedim
*pdim
;
2897 ret_v
= Val_int (0);
2898 if (trylock ("ml_whatsunder")) {
2902 page
= parse_pointer ("ml_whatsunder", s
);
2903 pdim
= &state
.pagedims
[page
->pdimno
];
2904 x
+= pdim
->bounds
.x0
;
2905 y
+= pdim
->bounds
.y0
;
2906 link
= getlink (page
, x
, y
);
2912 fz_page_block
*pageb
;
2913 fz_text_block
*block
;
2916 for (pageb
= page
->text
->blocks
;
2917 pageb
< page
->text
->blocks
+ page
->text
->len
;
2920 if (pageb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
2921 block
= pageb
->u
.text
;
2924 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
2927 for (line
= block
->lines
;
2928 line
< block
->lines
+ block
->len
;
2933 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
2936 for (span
= line
->first_span
; span
; span
= span
->next
) {
2940 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
2943 for (charnum
= 0; charnum
< span
->len
; ++charnum
) {
2945 fz_text_char_bbox (&bbox
, span
, charnum
);
2948 if (x
>= b
->x0
&& x
<= b
->x1
2949 && y
>= b
->y0
&& y
<= b
->y1
) {
2950 fz_text_style
*style
= span
->text
->style
;
2952 style
->font
&& style
->font
->name
2954 : "Span has no font name"
2956 FT_FaceRec
*face
= style
->font
->ft_face
;
2957 if (face
&& face
->family_name
) {
2959 char *n1
= face
->family_name
;
2960 size_t l1
= strlen (n1
);
2961 size_t l2
= strlen (n2
);
2963 if (l1
!= l2
|| memcmp (n1
, n2
, l1
)) {
2964 s
= malloc (l1
+ l2
+ 2);
2968 memcpy (s
+ l2
+ 1, n1
, l1
+ 1);
2969 str_v
= caml_copy_string (s
);
2975 str_v
= caml_copy_string (n2
);
2977 ret_v
= caml_alloc_small (1, utext
);
2978 Field (ret_v
, 0) = str_v
;
2987 unlock ("ml_whatsunder");
2993 enum { mark_page
, mark_block
, mark_line
, mark_word
};
2995 static int uninteresting (int c
)
2997 return c
== ' ' || c
== '\n' || c
== '\t' || c
== '\n' || c
== '\r'
3001 CAMLprim value
ml_markunder (value ptr_v
, value x_v
, value y_v
, value mark_v
)
3003 CAMLparam4 (ptr_v
, x_v
, y_v
, mark_v
);
3008 fz_page_block
*pageb
;
3009 fz_text_block
*block
;
3010 struct pagedim
*pdim
;
3011 int mark
= Int_val (mark_v
);
3012 char *s
= String_val (ptr_v
);
3013 int x
= Int_val (x_v
), y
= Int_val (y_v
);
3015 ret_v
= Val_bool (0);
3016 if (trylock ("ml_markunder")) {
3020 page
= parse_pointer ("ml_markunder", s
);
3021 pdim
= &state
.pagedims
[page
->pdimno
];
3022 x
+= pdim
->bounds
.x0
;
3023 y
+= pdim
->bounds
.y0
;
3027 if (mark
== mark_page
) {
3030 for (i
= page
->text
->len
- 1; i
>= 0; --i
) {
3031 pageb
= &page
->text
->blocks
[i
];
3032 if (pageb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
3034 if (i
< 0) goto unlock
;
3036 block
= pageb
->u
.text
;
3039 page
->fmark
.span
= block
->lines
->first_span
;
3041 line
= &block
->lines
[block
->len
- 1];
3042 page
->lmark
.i
= line
->last_span
->len
- 1;
3043 page
->lmark
.span
= line
->last_span
;
3044 ret_v
= Val_bool (1);
3048 for (pageb
= page
->text
->blocks
;
3049 pageb
< page
->text
->blocks
+ page
->text
->len
;
3051 if (pageb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
3052 block
= pageb
->u
.text
;
3055 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
3058 if (mark
== mark_block
) {
3060 page
->fmark
.span
= block
->lines
->first_span
;
3062 line
= &block
->lines
[block
->len
- 1];
3063 page
->lmark
.i
= line
->last_span
->len
- 1;
3064 page
->lmark
.span
= line
->last_span
;
3065 ret_v
= Val_bool (1);
3069 for (line
= block
->lines
;
3070 line
< block
->lines
+ block
->len
;
3075 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
3078 if (mark
== mark_line
) {
3080 page
->fmark
.span
= line
->first_span
;
3082 page
->lmark
.i
= line
->last_span
->len
- 1;
3083 page
->lmark
.span
= line
->last_span
;
3084 ret_v
= Val_bool (1);
3088 for (span
= line
->first_span
; span
; span
= span
->next
) {
3092 if (!(x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
))
3095 for (charnum
= 0; charnum
< span
->len
; ++charnum
) {
3097 fz_text_char_bbox (&bbox
, span
, charnum
);
3100 if (x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
) {
3102 int charnum2
, charnum3
= -1, charnum4
= -1;
3104 if (uninteresting (span
->text
[charnum
].c
)) goto unlock
;
3106 for (charnum2
= charnum
; charnum2
>= 0; --charnum2
) {
3107 if (uninteresting (span
->text
[charnum2
].c
)) {
3108 charnum3
= charnum2
+ 1;
3112 if (charnum3
== -1) charnum3
= 0;
3114 for (charnum2
= charnum
+ 1;
3115 charnum2
< span
->len
;
3117 if (uninteresting (span
->text
[charnum2
].c
)) break;
3118 charnum4
= charnum2
;
3120 if (charnum4
== -1) goto unlock
;
3122 page
->fmark
.i
= charnum3
;
3123 page
->fmark
.span
= span
;
3125 page
->lmark
.i
= charnum4
;
3126 page
->lmark
.span
= span
;
3127 ret_v
= Val_bool (1);
3135 if (!Bool_val (ret_v
)) {
3136 page
->fmark
.span
= NULL
;
3137 page
->lmark
.span
= NULL
;
3141 unlock ("ml_markunder");
3147 CAMLprim value
ml_rectofblock (value ptr_v
, value x_v
, value y_v
)
3149 CAMLparam3 (ptr_v
, x_v
, y_v
);
3150 CAMLlocal2 (ret_v
, res_v
);
3153 fz_page_block
*pageb
;
3154 struct pagedim
*pdim
;
3155 char *s
= String_val (ptr_v
);
3156 int x
= Int_val (x_v
), y
= Int_val (y_v
);
3158 ret_v
= Val_int (0);
3159 if (trylock ("ml_rectofblock")) {
3163 page
= parse_pointer ("ml_rectofblock", s
);
3164 pdim
= &state
.pagedims
[page
->pdimno
];
3165 x
+= pdim
->bounds
.x0
;
3166 y
+= pdim
->bounds
.y0
;
3170 for (pageb
= page
->text
->blocks
;
3171 pageb
< page
->text
->blocks
+ page
->text
->len
;
3173 switch (pageb
->type
) {
3174 case FZ_PAGE_BLOCK_TEXT
:
3175 b
= &pageb
->u
.text
->bbox
;
3178 case FZ_PAGE_BLOCK_IMAGE
:
3179 b
= &pageb
->u
.image
->bbox
;
3186 if (x
>= b
->x0
&& x
<= b
->x1
&& y
>= b
->y0
&& y
<= b
->y1
)
3191 res_v
= caml_alloc_small (4 * Double_wosize
, Double_array_tag
);
3192 ret_v
= caml_alloc_small (1, 1);
3193 Store_double_field (res_v
, 0, b
->x0
);
3194 Store_double_field (res_v
, 1, b
->x1
);
3195 Store_double_field (res_v
, 2, b
->y0
);
3196 Store_double_field (res_v
, 3, b
->y1
);
3197 Field (ret_v
, 0) = res_v
;
3199 unlock ("ml_rectofblock");
3205 CAMLprim value
ml_seltext (value ptr_v
, value rect_v
)
3207 CAMLparam2 (ptr_v
, rect_v
);
3210 struct pagedim
*pdim
;
3211 int i
, x0
, x1
, y0
, y1
;
3212 char *s
= String_val (ptr_v
);
3214 fz_page_block
*pageb
;
3215 fz_text_block
*block
;
3216 fz_text_span
*span
, *fspan
, *lspan
;
3217 fz_text_line
*line
, *fline
= NULL
, *lline
= NULL
;
3219 if (trylock ("ml_seltext")) {
3223 page
= parse_pointer ("ml_seltext", s
);
3226 pdim
= &state
.pagedims
[page
->pdimno
];
3227 x0
= Int_val (Field (rect_v
, 0)) + pdim
->bounds
.x0
;;
3228 y0
= Int_val (Field (rect_v
, 1)) + pdim
->bounds
.y0
;
3229 x1
= Int_val (Field (rect_v
, 2)) + pdim
->bounds
.x0
;
3230 y1
= Int_val (Field (rect_v
, 3)) + pdim
->bounds
.y0
;
3233 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
3234 glColor3ub (128, 128, 128);
3235 glRecti (x0
, y0
, x1
, y1
);
3236 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
3239 fspan
= lspan
= NULL
;
3241 for (pageb
= page
->text
->blocks
;
3242 pageb
< page
->text
->blocks
+ page
->text
->len
;
3244 if (pageb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
3245 block
= pageb
->u
.text
;
3246 for (line
= block
->lines
;
3247 line
< block
->lines
+ block
->len
;
3251 for (span
= line
->first_span
; span
; span
= span
->next
) {
3252 for (i
= 0; i
< span
->len
; ++i
) {
3255 fz_text_char_bbox (&b
, span
, i
);
3257 if (x0
>= b
.x0
&& x0
<= b
.x1
3258 && y0
>= b
.y0
&& y0
<= b
.y1
) {
3264 if (x1
>= b
.x0
&& x1
<= b
.x1
3265 && y1
>= b
.y0
&& y1
<= b
.y1
) {
3271 if (0 && selected
) {
3272 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
3273 glColor3ub (128, 128, 128);
3274 glRecti (b
.x0
, b
.y0
, b
.x1
, b
.y1
);
3275 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
3281 if (y1
< y0
|| x1
< x0
) {
3284 if (fspan
== lspan
) {
3289 if (fline
!= lline
) {
3308 page
->fmark
.span
= fspan
;
3311 page
->lmark
.span
= lspan
;
3313 unlock ("ml_seltext");
3316 CAMLreturn (Val_unit
);
3319 static int UNUSED_ATTR
pipespan (FILE *f
, fz_text_span
*span
, int a
, int b
)
3324 for (i
= a
; i
<= b
; ++i
) {
3325 len
= fz_runetochar (buf
, span
->text
[i
].c
);
3326 ret
= fwrite (buf
, len
, 1, f
);
3329 fprintf (stderr
, "failed to write %d bytes ret=%d: %s\n",
3330 len
, ret
, strerror (errno
));
3338 value
ml_popen (value UNUSED_ATTR u1
, value UNUSED_ATTR u2
)
3340 caml_failwith ("ml_popen not implemented under Cygwin");
3343 CAMLprim value
ml_popen (value command_v
, value fds_v
)
3345 CAMLparam2 (command_v
, fds_v
);
3346 CAMLlocal2 (l_v
, tup_v
);
3349 value earg_v
= Nothing
;
3350 posix_spawnattr_t attr
;
3351 posix_spawn_file_actions_t fa
;
3352 char *argv
[] = { "/bin/sh", "-c", String_val (command_v
), NULL
};
3354 if ((ret
= posix_spawn_file_actions_init (&fa
)) != 0) {
3355 unix_error (ret
, "posix_spawn_file_actions_init", Nothing
);
3358 if ((ret
= posix_spawnattr_init (&attr
)) != 0) {
3359 msg
= "posix_spawnattr_init";
3363 #ifdef POSIX_SPAWN_USEVFORK
3364 if ((ret
= posix_spawnattr_setflags (&attr
, POSIX_SPAWN_USEVFORK
)) != 0) {
3365 msg
= "posix_spawnattr_setflags POSIX_SPAWN_USEVFORK";
3370 for (l_v
= fds_v
; l_v
!= Val_int (0); l_v
= Field (l_v
, 1)) {
3373 tup_v
= Field (l_v
, 0);
3374 fd1
= Int_val (Field (tup_v
, 0));
3375 fd2
= Int_val (Field (tup_v
, 1));
3377 if ((ret
= posix_spawn_file_actions_addclose (&fa
, fd1
)) != 0) {
3378 msg
= "posix_spawn_file_actions_addclose";
3384 if ((ret
= posix_spawn_file_actions_adddup2 (&fa
, fd1
, fd2
)) != 0) {
3385 msg
= "posix_spawn_file_actions_adddup2";
3392 if ((ret
= posix_spawn (NULL
, "/bin/sh", &fa
, &attr
, argv
, environ
))) {
3393 msg
= "posix_spawn";
3398 if ((ret
= posix_spawnattr_destroy (&attr
)) != 0) {
3399 fprintf (stderr
, "posix_spawnattr_destroy: %s\n", strerror (ret
));
3403 if ((ret
= posix_spawn_file_actions_destroy (&fa
)) != 0) {
3404 fprintf (stderr
, "posix_spawn_file_actions_destroy: %s\n",
3409 unix_error (ret
, msg
, earg_v
);
3411 CAMLreturn (Val_unit
);
3415 CAMLprim value
ml_copysel (value fd_v
, value ptr_v
, value clear_v
)
3417 CAMLparam3 (fd_v
, ptr_v
, clear_v
);
3422 fz_page_block
*pageb
;
3423 fz_text_block
*block
;
3424 int fd
= Int_val (fd_v
);
3425 char *s
= String_val (ptr_v
);
3426 int clear
= Bool_val (clear_v
);
3428 if (trylock ("ml_copysel")) {
3432 page
= parse_pointer ("ml_sopysel", s
);
3434 if (!page
->fmark
.span
|| !page
->lmark
.span
) {
3435 fprintf (stderr
, "nothing to copy\n");
3439 f
= fdopen (fd
, "w");
3441 fprintf (stderr
, "failed to fopen sel pipe: %s\n",
3446 for (pageb
= page
->text
->blocks
;
3447 pageb
< page
->text
->blocks
+ page
->text
->len
;
3449 if (pageb
->type
!= FZ_PAGE_BLOCK_TEXT
) continue;
3450 block
= pageb
->u
.text
;
3451 for (line
= block
->lines
;
3452 line
< block
->lines
+ block
->len
;
3456 for (span
= line
->first_span
; span
; span
= span
->next
) {
3459 seen
|= span
== page
->fmark
.span
|| span
== page
->lmark
.span
;
3460 a
= span
== page
->fmark
.span
? page
->fmark
.i
: 0;
3461 b
= span
== page
->lmark
.span
? page
->lmark
.i
: span
->len
- 1;
3464 if (pipespan (f
, span
, a
, b
)) {
3467 if (span
== line
->last_span
) {
3468 if (putc ('\n', f
) == EOF
) {
3470 "failed break line on sel pipe: %s\n",
3475 if (span
== page
->lmark
.span
) {
3484 page
->lmark
.span
= NULL
;
3485 page
->fmark
.span
= NULL
;
3490 int ret
= fclose (f
);
3493 if (errno
!= ECHILD
) {
3494 fprintf (stderr
, "failed to close sel pipe: %s\n",
3500 unlock ("ml_copysel");
3505 fprintf (stderr
, "failed to close sel pipe: %s\n",
3509 CAMLreturn (Val_unit
);
3512 CAMLprim value
ml_getpdimrect (value pagedimno_v
)
3514 CAMLparam1 (pagedimno_v
);
3516 int pagedimno
= Int_val (pagedimno_v
);
3519 ret_v
= caml_alloc_small (4 * Double_wosize
, Double_array_tag
);
3520 if (trylock ("ml_getpdimrect")) {
3521 box
= fz_empty_rect
;
3524 box
= state
.pagedims
[pagedimno
].mediabox
;
3525 unlock ("ml_getpdimrect");
3528 Store_double_field (ret_v
, 0, box
.x0
);
3529 Store_double_field (ret_v
, 1, box
.x1
);
3530 Store_double_field (ret_v
, 2, box
.y0
);
3531 Store_double_field (ret_v
, 3, box
.y1
);
3536 CAMLprim value
ml_zoom_for_height (value winw_v
, value winh_v
,
3537 value dw_v
, value cols_v
)
3539 CAMLparam3 (winw_v
, winh_v
, dw_v
);
3545 double winw
= Int_val (winw_v
);
3546 double winh
= Int_val (winh_v
);
3547 double dw
= Int_val (dw_v
);
3548 double cols
= Int_val (cols_v
);
3549 double pw
= 1.0, ph
= 1.0;
3551 if (trylock ("ml_zoom_for_height")) {
3555 for (i
= 0, p
= state
.pagedims
; i
< state
.pagedimcount
; ++i
, ++p
) {
3556 double w
= p
->pagebox
.x1
/ cols
;
3557 double h
= p
->pagebox
.y1
;
3561 if (state
.fitmodel
!= FitProportional
) pw
= w
;
3563 if ((state
.fitmodel
== FitProportional
) && w
> pw
) pw
= w
;
3566 zoom
= (((winh
/ ph
) * pw
) + dw
) / winw
;
3567 unlock ("ml_zoom_for_height");
3569 ret_v
= caml_copy_double (zoom
);
3573 CAMLprim value
ml_draw_string (value pt_v
, value x_v
, value y_v
, value string_v
)
3575 CAMLparam4 (pt_v
, x_v
, y_v
, string_v
);
3577 int pt
= Int_val(pt_v
);
3578 int x
= Int_val (x_v
);
3579 int y
= Int_val (y_v
);
3582 w
= draw_string (state
.face
, pt
, x
, y
, String_val (string_v
));
3583 ret_v
= caml_copy_double (w
);
3587 CAMLprim value
ml_measure_string (value pt_v
, value string_v
)
3589 CAMLparam2 (pt_v
, string_v
);
3591 int pt
= Int_val (pt_v
);
3594 w
= measure_string (state
.face
, pt
, String_val (string_v
));
3595 ret_v
= caml_copy_double (w
);
3599 CAMLprim value
ml_getpagebox (value opaque_v
)
3601 CAMLparam1 (opaque_v
);
3607 char *s
= String_val (opaque_v
);
3608 struct page
*page
= parse_pointer ("ml_getpagebox", s
);
3610 ret_v
= caml_alloc_tuple (4);
3611 dev
= fz_new_bbox_device (state
.ctx
, &rect
);
3612 dev
->hints
|= FZ_IGNORE_SHADE
;
3614 switch (page
->type
) {
3616 ctm
= pagectm (page
);
3617 pdf_run_page (state
.u
.pdf
, page
->u
.pdfpage
, dev
, &ctm
, NULL
);
3621 ctm
= pagectm (page
);
3622 xps_run_page (state
.u
.xps
, page
->u
.xpspage
, dev
, &ctm
, NULL
);
3626 rect
= fz_infinite_rect
;
3630 fz_free_device (dev
);
3631 fz_round_rect (&bbox
, &rect
);
3632 Field (ret_v
, 0) = Val_int (bbox
.x0
);
3633 Field (ret_v
, 1) = Val_int (bbox
.y0
);
3634 Field (ret_v
, 2) = Val_int (bbox
.x1
);
3635 Field (ret_v
, 3) = Val_int (bbox
.y1
);
3640 CAMLprim value
ml_setaalevel (value level_v
)
3642 CAMLparam1 (level_v
);
3644 state
.aalevel
= Int_val (level_v
);
3645 CAMLreturn (Val_unit
);
3649 #include <X11/Xlib.h>
3655 GLXDrawable drawable
;
3658 #include "keysym2ucs.c"
3660 CAMLprim value
ml_keysymtoutf8 (value keysym_v
)
3662 CAMLparam1 (keysym_v
);
3664 KeySym keysym
= Int_val (keysym_v
);
3669 rune
= keysym2ucs (keysym
);
3670 len
= fz_runetochar (buf
, rune
);
3672 str_v
= caml_copy_string (buf
);
3676 CAMLprim value
ml_glx (value win_v
)
3679 XVisualInfo
*visual
;
3680 int screen
, wid
= Int_val (win_v
);
3681 int attributes
[] = { GLX_RGBA
, GLX_DOUBLEBUFFER
, None
};
3683 glx
.dpy
= XOpenDisplay (NULL
);
3685 caml_failwith ("XOpenDisplay");
3688 screen
= DefaultScreen (glx
.dpy
);
3689 visual
= glXChooseVisual (glx
.dpy
, screen
, attributes
);
3691 XCloseDisplay (glx
.dpy
);
3693 caml_failwith ("glXChooseVisual");
3696 glx
.ctx
= glXCreateContext (glx
.dpy
, visual
, NULL
, True
);
3699 XCloseDisplay (glx
.dpy
);
3701 caml_failwith ("glXCreateContext");
3704 if (!glXMakeCurrent (glx
.dpy
, wid
, glx
.ctx
)) {
3705 glXDestroyContext (glx
.dpy
, glx
.ctx
);
3706 XCloseDisplay (glx
.dpy
);
3709 caml_failwith ("glXMakeCurrent");
3712 CAMLreturn (Val_unit
);
3715 CAMLprim value
ml_swapb (value unit_v
)
3717 CAMLparam1 (unit_v
);
3718 glXSwapBuffers (glx
.dpy
, glx
.drawable
);
3719 CAMLreturn (Val_unit
);
3722 CAMLprim value
ml_glxsync (value unit_v
)
3724 CAMLparam1 (unit_v
);
3725 if (glx
.dpy
&& glx
.ctx
) {
3729 CAMLreturn (Val_unit
);
3732 enum { piunknown
, pilinux
, piosx
, pisun
, pifreebsd
,
3733 pidragonflybsd
, piopenbsd
, pinetbsd
, picygwin
};
3735 CAMLprim value
ml_platform (value unit_v
)
3737 CAMLparam1 (unit_v
);
3738 int platid
= piunknown
;
3740 #if defined __linux__
3742 #elif defined __CYGWIN__
3744 #elif defined __DragonFly__
3745 platid
= pidragonflybsd
;
3746 #elif defined __FreeBSD__
3748 #elif defined __OpenBSD__
3750 #elif defined __NetBSD__
3752 #elif defined __sun__
3754 #elif defined __APPLE__
3757 CAMLreturn (Val_int (platid
));
3760 CAMLprim value
ml_cloexec (value fd_v
)
3763 int fd
= Int_val (fd_v
);
3765 if (fcntl (fd
, F_SETFD
, FD_CLOEXEC
, 1)) {
3766 uerror ("fcntl", Nothing
);
3768 CAMLreturn (Val_unit
);
3771 CAMLprim value
ml_getpbo (value w_v
, value h_v
, value cs_v
)
3773 CAMLparam2 (w_v
, h_v
);
3776 int w
= Int_val (w_v
);
3777 int h
= Int_val (h_v
);
3778 int cs
= Int_val (cs_v
);
3780 if (state
.pbo_usable
) {
3781 pbo
= calloc (sizeof (*pbo
), 1);
3783 err (1, "calloc pbo");
3795 errx (1, "ml_getpbo: invalid colorspace %d", cs
);
3798 state
.glGenBuffersARB (1, &pbo
->id
);
3799 state
.glBindBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
, pbo
->id
);
3800 state
.glBufferDataARB (GL_PIXEL_UNPACK_BUFFER_ARB
, pbo
->size
,
3801 NULL
, GL_STREAM_DRAW
);
3802 pbo
->ptr
= state
.glMapBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
,
3804 state
.glBindBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
, 0);
3806 fprintf (stderr
, "glMapBufferARB failed: %#x\n", glGetError ());
3807 state
.glDeleteBuffersARB (1, &pbo
->id
);
3809 ret_v
= caml_copy_string ("0");
3815 res
= snprintf (NULL
, 0, "%" FMT_ptr
, pbo
);
3817 err (1, "snprintf %" FMT_ptr
" failed", pbo
);
3821 err (1, "malloc %d bytes failed", res
+1);
3823 res
= sprintf (s
, "%" FMT_ptr
, pbo
);
3825 err (1, "sprintf %" FMT_ptr
" failed", pbo
);
3827 ret_v
= caml_copy_string (s
);
3832 ret_v
= caml_copy_string ("0");
3837 CAMLprim value
ml_freepbo (value s_v
)
3840 char *s
= String_val (s_v
);
3841 struct tile
*tile
= parse_pointer ("ml_freepbo", s
);
3844 state
.glDeleteBuffersARB (1, &tile
->pbo
->id
);
3846 tile
->pbo
->ptr
= NULL
;
3847 tile
->pbo
->size
= -1;
3849 CAMLreturn (Val_unit
);
3852 CAMLprim value
ml_unmappbo (value s_v
)
3855 char *s
= String_val (s_v
);
3856 struct tile
*tile
= parse_pointer ("ml_unmappbo", s
);
3859 state
.glBindBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
, tile
->pbo
->id
);
3860 if (state
.glUnmapBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
) == GL_FALSE
) {
3861 errx (1, "glUnmapBufferARB failed: %#x\n", glGetError ());
3863 tile
->pbo
->ptr
= NULL
;
3864 state
.glBindBufferARB (GL_PIXEL_UNPACK_BUFFER_ARB
, 0);
3866 CAMLreturn (Val_unit
);
3869 static void setuppbo (void)
3871 #define GGPA(n) (*(void (**) ()) &state.n = glXGetProcAddress ((GLubyte *) #n))
3872 state
.pbo_usable
= GGPA (glBindBufferARB
)
3873 && GGPA (glUnmapBufferARB
)
3874 && GGPA (glMapBufferARB
)
3875 && GGPA (glBufferDataARB
)
3876 && GGPA (glGenBuffersARB
)
3877 && GGPA (glDeleteBuffersARB
);
3881 CAMLprim value
ml_pbo_usable (value unit_v
)
3883 CAMLparam1 (unit_v
);
3884 CAMLreturn (Val_bool (state
.pbo_usable
));
3887 CAMLprim value
ml_unproject (value ptr_v
, value x_v
, value y_v
)
3889 CAMLparam3 (ptr_v
, x_v
, y_v
);
3890 CAMLlocal2 (ret_v
, tup_v
);
3892 char *s
= String_val (ptr_v
);
3893 int x
= Int_val (x_v
), y
= Int_val (y_v
);
3894 struct pagedim
*pdim
;
3898 page
= parse_pointer ("ml_unproject", s
);
3899 pdim
= &state
.pagedims
[page
->pdimno
];
3901 ret_v
= Val_int (0);
3902 if (trylock ("ml_unproject")) {
3906 switch (page
->type
) {
3908 trimctm (page
->u
.pdfpage
, page
->pdimno
);
3917 fz_concat (&ctm
, &pdim
->tctm
, &pdim
->ctm
);
3918 fz_invert_matrix (&ctm
, &ctm
);
3919 fz_transform_point (&p
, &ctm
);
3921 tup_v
= caml_alloc_tuple (2);
3922 ret_v
= caml_alloc_small (1, 1);
3923 Field (tup_v
, 0) = Val_int (p
.x
);
3924 Field (tup_v
, 1) = Val_int (p
.y
);
3925 Field (ret_v
, 0) = tup_v
;
3927 unlock ("ml_unproject");
3932 static void makestippletex (void)
3934 const char pixels
[] = "\xff\xff\0\0";
3935 glGenTextures (1, &state
.stid
);
3936 glBindTexture (GL_TEXTURE_1D
, state
.stid
);
3937 glTexParameteri (GL_TEXTURE_1D
, GL_TEXTURE_MIN_FILTER
, GL_LINEAR
);
3938 glTexParameteri (GL_TEXTURE_1D
, GL_TEXTURE_MAG_FILTER
, GL_LINEAR
);
3951 CAMLprim value
ml_init (value pipe_v
, value params_v
)
3953 CAMLparam2 (pipe_v
, params_v
);
3954 CAMLlocal2 (trim_v
, fuzz_v
);
3961 struct sigaction sa
;
3963 state
.cr
= Int_val (Field (pipe_v
, 0));
3964 state
.cw
= Int_val (Field (pipe_v
, 1));
3965 state
.rotate
= Int_val (Field (params_v
, 0));
3966 state
.fitmodel
= Int_val (Field (params_v
, 1));
3967 trim_v
= Field (params_v
, 2);
3968 texcount
= Int_val (Field (params_v
, 3));
3969 state
.sliceheight
= Int_val (Field (params_v
, 4));
3970 mustoresize
= Int_val (Field (params_v
, 5));
3971 colorspace
= Int_val (Field (params_v
, 6));
3972 fontpath
= String_val (Field (params_v
, 7));
3974 state
.trimcachepath
= strdup (String_val (Field (params_v
, 8)));
3975 if (!state
.trimcachepath
) {
3976 fprintf (stderr
, "failed to strdup trimcachepath: %s\n",
3979 haspboext
= Bool_val (Field (params_v
, 9));
3981 state
.ctx
= fz_new_context (NULL
, NULL
, mustoresize
);
3983 state
.trimmargins
= Bool_val (Field (trim_v
, 0));
3984 fuzz_v
= Field (trim_v
, 1);
3985 state
.trimfuzz
.x0
= Int_val (Field (fuzz_v
, 0));
3986 state
.trimfuzz
.y0
= Int_val (Field (fuzz_v
, 1));
3987 state
.trimfuzz
.x1
= Int_val (Field (fuzz_v
, 2));
3988 state
.trimfuzz
.y1
= Int_val (Field (fuzz_v
, 3));
3990 set_tex_params (colorspace
);
3993 state
.face
= load_font (fontpath
);
3997 void *base
= pdf_lookup_substitute_font (0, 0, 0, 0, &len
);
3999 state
.face
= load_builtin_font (base
, len
);
4001 if (!state
.face
) _exit (1);
4003 realloctexts (texcount
);
4011 sa
.sa_handler
= SIG_IGN
;
4012 sa
.sa_flags
= SA_RESTART
| SA_NOCLDSTOP
;
4014 sa
.sa_handler
= SIG_DFL
;
4015 sa
.sa_flags
= SA_RESTART
| SA_NOCLDSTOP
| SA_NOCLDWAIT
;
4017 if (sigemptyset (&sa
.sa_mask
)) {
4018 err (1, "sigemptyset");
4020 if (sigaction (SIGCHLD
, &sa
, NULL
)) {
4021 err (1, "sigaction");
4024 ret
= pthread_create (&state
.thread
, NULL
, mainloop
, NULL
);
4026 errx (1, "pthread_create: %s", strerror (ret
));
4029 CAMLreturn (Val_unit
);