static void pdfapp_loadpage_pdf(pdfapp_t *app)
{
pdf_page *page;
fz_error error;
fz_device *mdev;
error = pdf_load_page(&page, app->xref, app->pageno - 1);
if (error)
pdfapp_error(app, error);
app->page_bbox = page->mediabox;
app->page_rotate = page->rotate;
app->page_links = page->links;
page->links = NULL;
/* Create display list */
app->page_list = fz_new_display_list();
mdev = fz_new_list_device(app->page_list);
error = pdf_run_page(app->xref, page, mdev, fz_identity);
if (error)
{
error = fz_rethrow(error, "cannot draw page %d in '%s'", app->pageno, app->doctitle);
pdfapp_error(app, error);
}
fz_free_device(mdev);
pdf_free_page(page);
pdf_age_store(app->xref->store, 3);
}
static void pdfapp_loadpage_xps(pdfapp_t *app)
{
xps_page *page;
fz_device *mdev;
fz_error error;
error = xps_load_page(&page, app->xps, app->pageno - 1);
if (error)
pdfapp_error(app, fz_rethrow(error, "cannot load page %d in file '%s'", app->pageno, app->doctitle));
app->page_bbox.x0 = 0;
app->page_bbox.y0 = 0;
app->page_bbox.x1 = page->width;
app->page_bbox.y1 = page->height;
app->page_rotate = 0;
app->page_links = NULL;
/* Create display list */
app->page_list = fz_new_display_list();
mdev = fz_new_list_device(app->page_list);
app->xps->dev = mdev;
xps_parse_fixed_page(app->xps, fz_identity, page);
app->xps->dev = NULL;
fz_free_device(mdev);
xps_free_page(app->xps, page);
}
void pdfapp_init(pdfapp_t *app)
{
#if 0
fz_error error;
memset(app, 0, sizeof(pdfapp_t));
error = fz_newrenderer(&app->rast, pdf_devicergb, 0, 1024 * 512);
if (error)
pdfapp_error(app, error);
#else
memset(app, 0, sizeof(pdfapp_t));
#endif
}
void pdfapp_init(pdfapp_t *app)
{
fz_error *error;
memset(app, 0, sizeof(pdfapp_t));
error = fz_newrenderer(&app->rast, pdf_devicergb, 0, 1024 * 512);
if (error)
pdfapp_error(app, error);
app->scrw = 640;
app->scrh = 480;
}
void pdfapp_oncopy(pdfapp_t *app, unsigned short *ucsbuf, int ucslen)
{
fz_error *error;
pdf_textline *line, *ln;
int y, c;
int i, p;
int bx0, bx1, by0, by1;
int x0 = app->image->x + app->selr.x0 - app->panx;
int x1 = app->image->x + app->selr.x1 - app->panx;
int y0 = app->image->y + app->selr.y0 - app->pany;
int y1 = app->image->y + app->selr.y1 - app->pany;
error = pdf_loadtextfromtree(&line, app->page->tree, pdfapp_viewctm(app));
if (error)
pdfapp_error(app, error);
p = 0;
for (ln = line; ln; ln = ln->next)
{
y = y0 - 1;
for (i = 0; i < ln->len; i++)
{
bx0 = ln->text[i].bbox.x0;
bx1 = ln->text[i].bbox.x1;
by0 = ln->text[i].bbox.y0;
by1 = ln->text[i].bbox.y1;
c = ln->text[i].c;
if (c < 32)
c = '?';
if (bx1 >= x0 && bx0 <= x1 && by1 >= y0 && by0 <= y1)
if (p < ucslen - 1)
ucsbuf[p++] = c;
}
if (by1 >= y0 && by0 <= y1)
{
#ifdef WIN32
if (p < ucslen - 1)
ucsbuf[p++] = '\r';
#endif
if (p < ucslen - 1)
ucsbuf[p++] = '\n';
}
}
ucsbuf[p] = 0;
pdf_droptextline(line);
}
static void pdfapp_open_xps(pdfapp_t *app, char *filename, int fd)
{
fz_error error;
fz_stream *file;
file = fz_open_fd(fd);
error = xps_open_stream(&app->xps, file);
if (error)
pdfapp_error(app, fz_rethrow(error, "cannot open document '%s'", filename));
fz_close(file);
app->doctitle = filename;
app->pagecount = xps_count_pages(app->xps);
}
static void pdfapp_open_pdf(pdfapp_t *app, char *filename, int fd)
{
fz_error error;
fz_stream *file;
char *password = "";
fz_obj *obj;
fz_obj *info;
/*
* Open PDF and load xref table
*/
file = fz_open_fd(fd);
error = pdf_open_xref_with_stream(&app->xref, file, NULL);
if (error)
pdfapp_error(app, fz_rethrow(error, "cannot open document '%s'", filename));
fz_close(file);
/*
* Handle encrypted PDF files
*/
if (pdf_needs_password(app->xref))
{
int okay = pdf_authenticate_password(app->xref, password);
while (!okay)
{
password = winpassword(app, filename);
if (!password)
exit(1);
okay = pdf_authenticate_password(app->xref, password);
if (!okay)
pdfapp_warn(app, "Invalid password.");
}
}
/*
* Load meta information
*/
app->outline = pdf_load_outline(app->xref);
app->doctitle = filename;
if (strrchr(app->doctitle, '\\'))
app->doctitle = strrchr(app->doctitle, '\\') + 1;
if (strrchr(app->doctitle, '/'))
app->doctitle = strrchr(app->doctitle, '/') + 1;
info = fz_dict_gets(app->xref->trailer, "Info");
if (info)
{
obj = fz_dict_gets(info, "Title");
if (obj)
app->doctitle = pdf_to_utf8(obj);
}
/*
* Start at first page
*/
error = pdf_load_page_tree(app->xref);
if (error)
pdfapp_error(app, fz_rethrow(error, "cannot load page tree"));
app->pagecount = pdf_count_pages(app->xref);
}
void pdfapp_open(pdfapp_t *app, char *filename)
{
fz_error *error;
fz_obj *obj;
char *password = "";
/*
* Open PDF and load xref table
*/
app->filename = filename;
error = pdf_newxref(&app->xref);
if (error)
pdfapp_error(app, error);
error = pdf_loadxref(app->xref, filename);
if (error)
{
if (!strncmp(error->msg, "ioerror", 7))
pdfapp_error(app, error);
pdfapp_warn(app,
"There was a problem with file \"%s\".\n"
"It may be corrupted, or generated by broken software.\n\n"
"%s\n\nTrying to continue anyway...",
filename, error->msg);
error = pdf_repairxref(app->xref, filename);
if (error)
pdfapp_error(app, error);
}
/*
* Handle encrypted PDF files
*/
error = pdf_decryptxref(app->xref);
if (error)
pdfapp_error(app, error);
if (app->xref->crypt)
{
error = pdf_setpassword(app->xref->crypt, password);
while (error)
{
fz_droperror(error);
password = winpassword(app, filename);
if (!password)
exit(1);
error = pdf_setpassword(app->xref->crypt, password);
if (error)
pdfapp_warn(app, "Invalid password.");
}
}
/*
* Load page tree
*/
error = pdf_loadpagetree(&app->pages, app->xref);
if (error)
pdfapp_error(app, error);
/*
* Load meta information
* TODO: move this into mupdf library
*/
obj = fz_dictgets(app->xref->trailer, "Root");
if (!obj)
pdfapp_error(app, fz_throw("syntaxerror: missing Root object"));
error = pdf_loadindirect(&app->xref->root, app->xref, obj);
if (error)
pdfapp_error(app, error);
obj = fz_dictgets(app->xref->trailer, "Info");
if (obj)
{
error = pdf_loadindirect(&app->xref->info, app->xref, obj);
if (error)
pdfapp_error(app, error);
}
error = pdf_loadnametrees(app->xref);
if (error)
pdfapp_error(app, error);
error = pdf_loadoutline(&app->outline, app->xref);
if (error)
pdfapp_error(app, error);
app->doctitle = filename;
if (strrchr(app->doctitle, '\\'))
app->doctitle = strrchr(app->doctitle, '\\') + 1;
if (strrchr(app->doctitle, '/'))
app->doctitle = strrchr(app->doctitle, '/') + 1;
if (app->xref->info)
{
obj = fz_dictgets(app->xref->info, "Title");
if (obj)
{
error = pdf_toutf8(&app->doctitle, obj);
if (error)
pdfapp_error(app, error);
}
}
/*
* Start at first page
*/
app->shrinkwrap = 1;
if (app->pageno < 1)
app->pageno = 1;
if (app->zoom <= 0.0)
app->zoom = 1.0;
app->rotate = 0;
app->panx = 0;
app->pany = 0;
pdfapp_showpage(app, 1, 1);
}
void pdfapp_showpage(pdfapp_t *app, int loadpage, int drawpage)
{
char buf[256];
fz_error *error;
fz_matrix ctm;
fz_rect bbox;
fz_obj *obj;
if (loadpage)
{
wincursor(app, WAIT);
if (app->page)
pdf_droppage(app->page);
app->page = nil;
obj = pdf_getpageobject(app->pages, app->pageno - 1);
error = pdf_loadpage(&app->page, app->xref, obj);
if (error)
pdfapp_error(app, error);
sprintf(buf, "%s - %d/%d", app->doctitle,
app->pageno, pdf_getpagecount(app->pages));
wintitle(app, buf);
}
if (drawpage)
{
wincursor(app, WAIT);
if (app->image)
fz_droppixmap(app->image);
app->image = nil;
ctm = pdfapp_viewctm(app);
bbox = fz_transformaabb(ctm, app->page->mediabox);
error = fz_rendertree(&app->image, app->rast, app->page->tree,
ctm, fz_roundrect(bbox), 1);
if (error)
pdfapp_error(app, error);
winconvert(app, app->image);
}
pdfapp_panview(app, app->panx, app->pany);
if (app->shrinkwrap)
{
int w = app->image->w;
int h = app->image->h;
if (app->winw == w)
app->panx = 0;
if (app->winh == h)
app->pany = 0;
if (w > app->scrw * 90 / 100)
w = app->scrw * 90 / 100;
if (h > app->scrh * 90 / 100)
h = app->scrh * 90 / 100;
if (w != app->winw || h != app->winh)
winresize(app, w, h);
}
winrepaint(app);
wincursor(app, ARROW);
}
void pdfapp_open(pdfapp_t *app, char *filename)
{
#if 0
fz_error error;
fz_obj *obj;
char *password = "";
#else
fz_error error;
fz_stream *file;
char *password = "";
fz_obj *obj;
fz_obj *info;
int fd;
fd = open(filename, O_BINARY | O_RDONLY, 0666);
if (fd < 0)
fprintf(stderr, "error, file %s does not exist\n", filename);
#endif
/*
* Open PDF and load xref table
*/
app->filename = filename;
#if 0
app->xref = pdf_newxref();
error = pdf_loadxref(app->xref, filename);
if (error)
{
fz_catch(error, "trying to air");
error = pdf_repairxref(app->xref, filename);
if (error)
pdfapp_error(app, error);
}
error = pdf_decryptxref(app->xref);
if (error)
pdfapp_error(app, error);
#else
file = fz_open_fd(fd);
error = pdf_open_xref_with_stream(&app->xref, file, NULL);
if (error)
pdfapp_error(app, fz_rethrow(error, "cannot open document '%s'", filename));
fz_close(file);
#endif
/*
* Handle encrypted PDF files
*/
if (pdf_needs_password(app->xref))
{
int okay = pdf_authenticate_password(app->xref, password);
while (!okay)
{
//password = winpassword(app, filename);
if (!password)
exit(1);
okay = pdf_authenticate_password(app->xref, password);
if (!okay)
pdfapp_warn(app, "Invalid password.");
}
}
/*
* Load meta information
* TODO: move this into mupdf library
*/
#if 0
obj = fz_dictgets(app->xref->trailer, "Root");
app->xref->root = fz_resolveindirect(obj);
if (!app->xref->root)
pdfapp_error(app, fz_throw("syntaxerror: missing Root object"));
fz_keepobj(app->xref->root);
obj = fz_dictgets(app->xref->trailer, "Info");
app->xref->info = fz_resolveindirect(obj);
if (!app->xref->info)
pdfapp_warn(app, "Could not load PDF meta information.");
if (app->xref->info)
fz_keepobj(app->xref->info);
/*app->outline = pdf_loadoutline(app->xref);*/
app->doctitle = filename;
if (strrchr(app->doctitle, '\\'))
app->doctitle = strrchr(app->doctitle, '\\') + 1;
if (strrchr(app->doctitle, '/'))
app->doctitle = strrchr(app->doctitle, '/') + 1;
if (app->xref->info)
{
obj = fz_dictgets(app->xref->info, "Title");
if (obj)
{
app->doctitle = pdf_toutf8(obj);
}
}
#else
app->outline = pdf_load_outline(app->xref);
app->doctitle = filename;
if (strrchr(app->doctitle, '\\'))
app->doctitle = strrchr(app->doctitle, '\\') + 1;
if (strrchr(app->doctitle, '/'))
app->doctitle = strrchr(app->doctitle, '/') + 1;
info = fz_dict_gets(app->xref->trailer, "Info");
if (info)
{
obj = fz_dict_gets(info, "Title");
if (obj)
app->doctitle = pdf_to_utf8(obj);
}
#endif
/*
* Start at first page
*/
#if 0
app->pagecount = pdf_getpagecount(app->xref);
#else
error = pdf_load_page_tree(app->xref);
if (error)
pdfapp_error(app, fz_rethrow(error, "cannot load page tree"));
app->pagecount = pdf_count_pages(app->xref);
#endif
app->rotate = 0;
}
void pdfapp_open(pdfapp_t *app, char *filename)
{
fz_obj *obj;
fz_obj *info;
char *password = "";
/*
* Open PDF and load xref table
*/
app->filename = filename;
app->xref = pdf_openxref(filename);
if (!app->xref)
pdfapp_error(app, -1);
/*
* Handle encrypted PDF files
*/
if (pdf_needspassword(app->xref))
{
int okay = pdf_authenticatepassword(app->xref, password);
while (!okay)
{
password = winpassword(app, filename);
if (!password)
exit(1);
okay = pdf_authenticatepassword(app->xref, password);
if (!okay)
pdfapp_warn(app, "Invalid password.");
}
}
/*
* Load meta information
*/
app->outline = pdf_loadoutline(app->xref);
app->doctitle = filename;
if (strrchr(app->doctitle, '\\'))
app->doctitle = strrchr(app->doctitle, '\\') + 1;
if (strrchr(app->doctitle, '/'))
app->doctitle = strrchr(app->doctitle, '/') + 1;
info = fz_dictgets(app->xref->trailer, "Info");
if (info)
{
obj = fz_dictgets(info, "Title");
if (obj)
app->doctitle = pdf_toutf8(obj);
}
/*
* Start at first page
*/
app->pagecount = pdf_getpagecount(app->xref);
app->shrinkwrap = 1;
if (app->pageno < 1)
app->pageno = 1;
if (app->zoom < 0.1)
app->zoom = 0.1;
if (app->zoom > 3.0)
app->zoom = 3.0;
app->rotate = 0;
app->panx = 0;
app->pany = 0;
//code change by kakai
//highlight color settings
kno_setHighlightColor(app, 0x00ffff00);
//code change by kakai
pdfapp_showpage(app, 1, 1);
}
static void pdfapp_showpage(pdfapp_t *app, int loadpage, int drawpage)
{
char buf[256];
fz_error error;
fz_device *idev, *tdev, *mdev;
fz_displaylist *list;
fz_matrix ctm;
fz_bbox bbox;
fz_obj *obj;
if (loadpage)
{
wincursor(app, WAIT);
if (app->page)
pdf_droppage(app->page);
app->page = nil;
//code change by kakai
kno_clearselect(app);
//code change by kakai
pdf_flushxref(app->xref, 0);
obj = pdf_getpageobject(app->xref, app->pageno);
error = pdf_loadpage(&app->page, app->xref, obj);
if (error)
pdfapp_error(app, error);
sprintf(buf, "%s - %d/%d", app->doctitle,
app->pageno, app->pagecount);
wintitle(app, buf);
}
if (drawpage)
{
wincursor(app, WAIT);
ctm = pdfapp_viewctm(app);
bbox = fz_roundrect(fz_transformrect(ctm, app->page->mediabox));
list = fz_newdisplaylist();
mdev = fz_newlistdevice(list);
error = pdf_runcontentstream(mdev, fz_identity(), app->xref, app->page->resources, app->page->contents);
if (error)
pdfapp_error(app, error);
fz_freedevice(mdev);
if (app->image)
fz_droppixmap(app->image);
app->image = fz_newpixmapwithrect(pdf_devicergb, bbox);
fz_clearpixmap(app->image, 0xFF);
idev = fz_newdrawdevice(app->cache, app->image);
fz_executedisplaylist(list, idev, ctm);
fz_freedevice(idev);
if (app->text)
fz_freetextspan(app->text);
app->text = fz_newtextspan();
tdev = fz_newtextdevice(app->text);
fz_executedisplaylist(list, tdev, ctm);
fz_freedevice(tdev);
fz_freedisplaylist(list);
//code change by kakai
kno_allocselection(app);
kno_applyselect(app);
//code change by kakai
winconvert(app, app->image);
}
pdfapp_panview(app, app->panx, app->pany);
if (app->shrinkwrap)
{
int w = app->image->w;
int h = app->image->h;
if (app->winw == w)
app->panx = 0;
if (app->winh == h)
app->pany = 0;
if (w > app->scrw * 90 / 100)
w = app->scrw * 90 / 100;
if (h > app->scrh * 90 / 100)
h = app->scrh * 90 / 100;
if (w != app->winw || h != app->winh)
winresize(app, w, h);
}
winrepaint(app);
wincursor(app, ARROW);
}
