void pdfapp_open(pdfapp_t *app, char *filename, int fd, int reload)
{
if (strstr(filename, ".xps") || strstr(filename, ".XPS") || strstr(filename, ".rels"))
pdfapp_open_xps(app, filename, fd);
else
pdfapp_open_pdf(app, filename, fd);
app->cache = fz_new_glyph_cache();
if (app->pageno < 1)
app->pageno = 1;
if (app->pageno > app->pagecount)
app->pageno = app->pagecount;
if (app->resolution < MINRES)
app->resolution = MINRES;
if (app->resolution > MAXRES)
app->resolution = MAXRES;
if (!reload)
{
app->shrinkwrap = 1;
app->rotate = 0;
app->panx = 0;
app->pany = 0;
}
pdfapp_showpage(app, 1, 1, 1);
}
static void pdfapp_searchbackward(pdfapp_t *app, enum panning *panto)
{
int matchlen;
int test;
int len;
int startpage;
wincursor(app, WAIT);
startpage = app->pageno;
do
{
len = textlen(app->page_text);
if (app->hit >= 0)
test = app->hit - 1;
else
test = len;
while (test >= 0)
{
matchlen = match(app->search, app->page_text, test);
if (matchlen)
{
app->hit = test;
app->hitlen = matchlen;
wincursor(app, HAND);
winrepaint(app);
return;
}
test--;
}
app->pageno--;
if (app->pageno < 1)
app->pageno = app->pagecount;
pdfapp_showpage(app, 1, 0, 0);
*panto = PAN_TO_BOTTOM;
} while (app->pageno != startpage);
if (app->pageno == startpage)
{
pdfapp_warn(app, "String '%s' not found.", app->search);
winrepaintsearch(app);
}
else
winrepaint(app);
wincursor(app, HAND);
}
static void pdfapp_searchforward(pdfapp_t *app, enum panning *panto)
{
int matchlen;
int test;
int len;
int startpage;
wincursor(app, WAIT);
startpage = app->pageno;
do
{
len = textlen(app->page_text);
if (app->hit >= 0)
test = app->hit + strlen(app->search);
else
test = 0;
while (test < len)
{
matchlen = match(app->search, app->page_text, test);
if (matchlen)
{
app->hit = test;
app->hitlen = matchlen;
wincursor(app, HAND);
winrepaint(app);
return;
}
test++;
}
app->pageno++;
if (app->pageno > app->pagecount)
app->pageno = 1;
pdfapp_showpage(app, 1, 0, 0);
*panto = PAN_TO_TOP;
} while (app->pageno != startpage);
if (app->pageno == startpage)
{
pdfapp_warn(app, "String '%s' not found.", app->search);
winrepaintsearch(app);
}
else
winrepaint(app);
wincursor(app, HAND);
}
static void pdfapp_gotopage(pdfapp_t *app, fz_obj *obj)
{
int page;
page = pdf_findpageobject(app->xref, obj);
if (app->histlen + 1 == 256)
{
memmove(app->hist, app->hist + 1, sizeof(int) * 255);
app->histlen --;
}
app->hist[app->histlen++] = app->pageno;
app->pageno = page;
pdfapp_showpage(app, 1, 1);
}
static void pdfapp_searchbackward(pdfapp_t *app)
{
int matchlen;
int test;
int len;
int startpage;
wincursor(app, WAIT);
startpage = app->pageno;
do
{
len = textlen(app->page_text);
if (app->hit >= 0)
test = app->hit - 1;
else
test = len;
while (test >= 0)
{
matchlen = match(app->search, app->page_text, test);
if (matchlen)
{
app->hit = test;
app->hitlen = matchlen;
wincursor(app, HAND);
return;
}
test--;
}
app->pageno--;
if (app->pageno < 1)
app->pageno = app->pagecount;
pdfapp_showpage(app, 1, 0, 0);
app->pany = -2000;
} while (app->pageno != startpage);
if (app->pageno == startpage)
printf("hit not found\n");
wincursor(app, HAND);
}
static void pdfapp_searchforward(pdfapp_t *app)
{
int matchlen;
int test;
int len;
int startpage;
wincursor(app, WAIT);
startpage = app->pageno;
do
{
len = textlen(app->page_text);
if (app->hit >= 0)
test = app->hit + strlen(app->search);
else
test = 0;
while (test < len)
{
matchlen = match(app->search, app->page_text, test);
if (matchlen)
{
app->hit = test;
app->hitlen = matchlen;
wincursor(app, HAND);
return;
}
test++;
}
app->pageno++;
if (app->pageno > app->pagecount)
app->pageno = 1;
pdfapp_showpage(app, 1, 0, 0);
app->pany = 0;
} while (app->pageno != startpage);
if (app->pageno == startpage)
printf("hit not found\n");
wincursor(app, HAND);
}
static void pdfapp_gotopage(pdfapp_t *app, fz_obj *obj)
{
int number;
number = pdf_find_page_number(app->xref, obj);
if (number < 0)
return;
if (app->histlen + 1 == 256)
{
memmove(app->hist, app->hist + 1, sizeof(int) * 255);
app->histlen --;
}
app->hist[app->histlen++] = app->pageno;
app->pageno = number + 1;
pdfapp_showpage(app, 1, 1, 1);
}
void pdfapp_gotopage(pdfapp_t *app, fz_obj *obj)
{
int oid = fz_tonum(obj);
int i;
for (i = 0; i < pdf_getpagecount(app->pages); i++)
{
if (fz_tonum(app->pages->pref[i]) == oid)
{
if (app->histlen + 1 == 256)
{
memmove(app->hist, app->hist + 1, sizeof(int) * 255);
app->histlen --;
}
app->hist[app->histlen++] = app->pageno;
app->pageno = i + 1;
pdfapp_showpage(app, 1, 1);
return;
}
}
}
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_onmouse(pdfapp_t *app, int x, int y, int btn, int modifiers, int state)
{
pdf_link *link;
fz_matrix ctm;
fz_point p;
p.x = x - app->panx + app->image->x;
p.y = y - app->pany + app->image->y;
ctm = pdfapp_viewctm(app);
ctm = fz_invertmatrix(ctm);
p = fz_transformpoint(ctm, p);
for (link = app->page->links; link; link = link->next)
{
if (p.x >= link->rect.x0 && p.x <= link->rect.x1)
if (p.y >= link->rect.y0 && p.y <= link->rect.y1)
break;
}
if (link)
{
wincursor(app, HAND);
if (btn == 1 && state == 1)
{
if (fz_isstring(link->dest))
pdfapp_gotouri(app, link->dest);
if (fz_isindirect(link->dest))
pdfapp_gotopage(app, link->dest);
return;
}
}
else
{
wincursor(app, ARROW);
}
if (state == 1)
{
if (btn == 1 && !app->iscopying)
{
app->ispanning = 1;
app->selx = x;
app->sely = y;
}
if (btn == 3 && !app->ispanning)
{
app->iscopying = 1;
app->selx = x;
app->sely = y;
app->selr.x0 = x;
app->selr.x1 = x;
app->selr.y0 = y;
app->selr.y1 = y;
}
if (btn == 4 || btn == 5) /* scroll wheel */
{
int dir = btn == 4 ? 1 : -1;
app->ispanning = app->iscopying = 0;
if (modifiers & (1<<2))
{
/* zoom in/out if ctrl is pressed */
app->zoom += 0.1 * dir;
if (app->zoom > 3.0)
app->zoom = 3.0;
if (app->zoom < 0.1)
app->zoom = 0.1;
pdfapp_showpage(app, 0, 1);
}
else
{
/* scroll up/down, or left/right if
shift is pressed */
int isx = (modifiers & (1<<0));
int xstep = isx ? 20 * dir : 0;
int ystep = !isx ? 20 * dir : 0;
pdfapp_panview(app, app->panx + xstep, app->pany + ystep);
}
}
}
else if (state == -1)
{
if (app->iscopying)
{
app->iscopying = 0;
app->selr.x0 = MIN(app->selx, x);
app->selr.x1 = MAX(app->selx, x);
app->selr.y0 = MIN(app->sely, y);
app->selr.y1 = MAX(app->sely, y);
winrepaint(app);
if (app->selr.x0 < app->selr.x1 && app->selr.y0 < app->selr.y1)
windocopy(app);
}
if (app->ispanning)
app->ispanning = 0;
}
else if (app->ispanning)
{
int newx = app->panx + x - app->selx;
int newy = app->pany + y - app->sely;
pdfapp_panview(app, newx, newy);
app->selx = x;
app->sely = y;
}
else if (app->iscopying)
{
app->selr.x0 = MIN(app->selx, x);
app->selr.x1 = MAX(app->selx, x);
app->selr.y0 = MIN(app->sely, y);
app->selr.y1 = MAX(app->sely, y);
winrepaint(app);
}
}
void pdfapp_onkey(pdfapp_t *app, int c)
{
int oldpage = app->pageno;
enum panning panto = PAN_TO_TOP;
/*
* Save numbers typed for later
*/
if (c >= '0' && c <= '9')
{
app->number[app->numberlen++] = c;
app->number[app->numberlen] = '\0';
}
switch (c)
{
/*
* Zoom and rotate
*/
case '+':
case '=':
app->zoom += 0.1;
if (app->zoom > 3.0)
app->zoom = 3.0;
pdfapp_showpage(app, 0, 1);
break;
case '-':
app->zoom -= 0.1;
if (app->zoom < 0.1)
app->zoom = 0.1;
pdfapp_showpage(app, 0, 1);
break;
case 'l':
case '<':
app->rotate -= 90;
pdfapp_showpage(app, 0, 1);
break;
case 'r':
case '>':
app->rotate += 90;
pdfapp_showpage(app, 0, 1);
break;
case 'a':
app->rotate -= 15;
pdfapp_showpage(app, 0, 1);
break;
case 's':
app->rotate += 15;
pdfapp_showpage(app, 0, 1);
break;
/*
* Pan view, but dont need to repaint image
*/
case 'w':
app->shrinkwrap = 1;
app->panx = app->pany = 0;
pdfapp_showpage(app, 0, 0);
break;
case 'd':
app->pany -= app->image->h / 10;
pdfapp_showpage(app, 0, 0);
break;
case 'u':
app->pany += app->image->h / 10;
pdfapp_showpage(app, 0, 0);
break;
case ',':
app->panx += app->image->w / 10;
pdfapp_showpage(app, 0, 0);
break;
case '.':
app->panx -= app->image->w / 10;
pdfapp_showpage(app, 0, 0);
break;
/*
* Page navigation
*/
case 'g':
case '\n':
case '\r':
if (app->numberlen > 0)
app->pageno = atoi(app->number);
break;
case 'G':
app->pageno = app->pagecount;
break;
case 'm':
if (app->histlen + 1 == 256)
{
memmove(app->hist, app->hist + 1, sizeof(int) * 255);
app->histlen --;
}
app->hist[app->histlen++] = app->pageno;
break;
case 't':
if (app->histlen > 0)
app->pageno = app->hist[--app->histlen];
break;
/*
* Back and forth ...
*/
case 'p':
panto = PAN_TO_BOTTOM;
if (app->numberlen > 0)
app->pageno -= atoi(app->number);
else
app->pageno--;
break;
case 'n':
panto = PAN_TO_TOP;
if (app->numberlen > 0)
app->pageno += atoi(app->number);
else
app->pageno++;
break;
case 'b':
case '\b':
panto = DONT_PAN;
if (app->numberlen > 0)
app->pageno -= atoi(app->number);
else
app->pageno--;
break;
case 'f':
case ' ':
panto = DONT_PAN;
if (app->numberlen > 0)
app->pageno += atoi(app->number);
else
app->pageno++;
break;
case 'B':
panto = PAN_TO_TOP;
app->pageno -= 10;
break;
case 'F':
panto = PAN_TO_TOP;
app->pageno += 10;
break;
}
if (c < '0' || c > '9')
app->numberlen = 0;
if (app->pageno < 1)
app->pageno = 1;
if (app->pageno > app->pagecount)
app->pageno = app->pagecount;
if (app->pageno != oldpage)
{
switch (panto)
{
case PAN_TO_TOP:
app->pany = 0;
break;
case PAN_TO_BOTTOM:
app->pany = -2000;
break;
case DONT_PAN:
break;
}
pdfapp_showpage(app, 1, 1);
}
}
int main(int argc, char **argv)
{
int c;
int len;
char buf[128];
KeySym keysym;
int oldx = 0;
int oldy = 0;
int resolution = 72;
int pageno = 1;
int pagemark = 0;
int accelerate = 1;
int fd;
fd_set fds;
int width = -1;
int height = -1;
while ((c = fz_getopt(argc, argv, "p:r:b:A")) != -1)
{
switch (c)
{
case 'p': password = fz_optarg; break;
case 'r': resolution = atoi(fz_optarg); break;
case 'A': accelerate = 0; break;
case 'b': fz_set_aa_level(atoi(fz_optarg)); break;
default: usage();
}
}
if (resolution < MINRES)
resolution = MINRES;
if (resolution > MAXRES)
resolution = MAXRES;
if (argc - fz_optind == 0)
usage();
if (accelerate)
fz_accelerate();
filename = argv[fz_optind++];
winopen();
pdfapp_init(&gapp);
gapp.scrw = DisplayWidth(xdpy, xscr);
gapp.scrh = DisplayHeight(xdpy, xscr);
gapp.resolution = resolution;
if (argc - fz_optind > 1)
pageno = atoi(argv[fz_optind++]);
gapp.pageno = pageno;
fd = open(filename, O_BINARY | O_RDONLY, 0666);
if (fd < 0)
winerror(&gapp, fz_throw("cannot open file '%s'", filename));
pdfapp_open(&gapp, filename, fd, 0);
if (pdfapp_calcfilehash(&gapp, fd))
{
pdfapp_getmarkfile(&gapp);
pagemark = pdfapp_getpgmark(&gapp);
if (pagemark > 0)
{
if (pagemark <= gapp.pagecount)
{
gapp.pageno = pagemark;
pdfapp_showpage(&gapp, 1, 1, 1);
}
else
pdfapp_closemarkfile(&gapp);
}
}
FD_ZERO(&fds);
FD_SET(x11fd, &fds);
signal(SIGHUP, signal_handler);
atexit(exit_cb);
while (!closing)
{
do
{
XNextEvent(xdpy, &xevt);
switch (xevt.type)
{
case Expose:
dirty = 1;
break;
case ConfigureNotify:
if (gapp.image)
{
if (xevt.xconfigure.width != reqw ||
xevt.xconfigure.height != reqh)
gapp.shrinkwrap = 0;
}
width = xevt.xconfigure.width;
height = xevt.xconfigure.height;
break;
case KeyPress:
len = XLookupString(&xevt.xkey, buf, sizeof buf, &keysym, NULL);
if (!gapp.isediting)
switch (keysym)
{
case XK_Escape:
len = 1; buf[0] = '\033';
break;
case XK_Up:
len = 1; buf[0] = 'k';
break;
case XK_Down:
len = 1; buf[0] = 'j';
break;
case XK_Left:
len = 1; buf[0] = 'b';
break;
case XK_Right:
len = 1; buf[0] = ' ';
break;
case XK_Page_Up:
len = 1; buf[0] = ',';
break;
case XK_Page_Down:
len = 1; buf[0] = '.';
break;
}
if (len)
onkey(buf[0]);
onmouse(oldx, oldy, 0, 0, 0);
break;
case MotionNotify:
oldx = xevt.xbutton.x;
oldy = xevt.xbutton.y;
onmouse(xevt.xbutton.x, xevt.xbutton.y, xevt.xbutton.button, xevt.xbutton.state, 0);
break;
case ButtonPress:
onmouse(xevt.xbutton.x, xevt.xbutton.y, xevt.xbutton.button, xevt.xbutton.state, 1);
break;
case ButtonRelease:
copytime = xevt.xbutton.time;
onmouse(xevt.xbutton.x, xevt.xbutton.y, xevt.xbutton.button, xevt.xbutton.state, -1);
break;
case SelectionRequest:
onselreq(xevt.xselectionrequest.requestor,
xevt.xselectionrequest.selection,
xevt.xselectionrequest.target,
xevt.xselectionrequest.property,
xevt.xselectionrequest.time);
break;
case ClientMessage:
if (xevt.xclient.format == 32 && xevt.xclient.data.l[0] == WM_DELETE_WINDOW)
closing = 1;
break;
}
}
while (!closing && XPending(xdpy));
if (closing)
continue;
if (width != -1 || height != -1)
{
pdfapp_onresize(&gapp, width, height);
width = -1;
height = -1;
}
if (dirty || dirtysearch)
{
if (dirty)
winblit(&gapp);
else if (dirtysearch)
winblitsearch(&gapp);
dirty = 0;
dirtysearch = 0;
}
if (XPending(xdpy))
continue;
if (select(x11fd + 1, &fds, NULL, NULL, NULL) < 0)
{
if (reloading)
{
winreloadfile(&gapp);
reloading = 0;
}
}
}
pdfapp_close(&gapp);
XDestroyWindow(xdpy, xwin);
XFreePixmap(xdpy, xicon);
XFreeCursor(xdpy, xcwait);
XFreeCursor(xdpy, xchand);
XFreeCursor(xdpy, xcarrow);
XFreeGC(xdpy, xgc);
XCloseDisplay(xdpy);
return 0;
}
int main(int argc, char** argv)
{
int result;
int fd;
fz_context *ctx;
char buf[10];
int c;
int pagewidth, pageheight;
result = SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER);
if(result != 0) {
printf("Could not init SDL: %s\n", SDL_GetError());
exit(1);
}
PDL_Init(0);
PDL_SetOrientation(PDL_ORIENTATION_0);
PDL_RegisterJSHandler("flipPage",flip_page);
PDL_RegisterJSHandler("panPage",pan_page);
// PDL_RegisterJSHandler("pause", pause);
// PDL_RegisterJSHandler("resume", resume);
PDL_JSRegistrationComplete();
PDL_CallJS("ready", NULL, 0);
memset(&pitch_action, 0, sizeof(PDF_Pitch_t));
//gesture_data = (Gesture_Event *)malloc(sizeof(Gesture_Event));
memset(&gesture_data, 0, sizeof(Gesture_Event));
pitch_action.scale = 1.0;
Surface = SDL_SetVideoMode(0, 0, 0, SDL_SWSURFACE);
SDL_FillRect(Surface, NULL, 0xF0F0F);
SDL_Flip(Surface);
ctx = fz_new_context(NULL, FZ_STORE_DEFAULT);
pdfapp_init(ctx, &app);
app.scrw = 1024;
app.scrh = 768;
app.pageno = 10;
src.x = 20;
src.y = 20;
src.w = 1024;
src.h = 768;
dest.x = 0;
dest.y = 0;
fd = open(argv[1], O_RDONLY, 0666);
if (fd < 0) {
printf("cannot open file\n");
fz_throw(app.ctx, "cannot open file '%s'", argv[1]);
}
pdfapp_open(&app,argv[1],fd,0);
//app.rotate = 90 * 3;
pdfapp_showpage(&app,1,1,1);
draw_pdf();
#if 0
content = SDL_CreateRGBSurfaceFrom(app.image->samples, app.image->w, app.image->h,
32, app.image->w * 4, 0x00, 0x00, 0x00, 0x00);
SDL_BlitSurface(content,NULL, Surface, NULL);
SDL_Flip(Surface);
#endif
SDL_Event Event;
Event.type = SDL_NOEVENT;
int temp1, temp2;
do {
if (Paused) {
SDL_WaitEvent(&Event);
if (Event.type == SDL_ACTIVEEVENT)
{
if ((Event.active.state & SDL_APPACTIVE) && (Event.active.gain == 1))
{
Paused = SDL_FALSE;
}
}
}
else {
while(SDL_PollEvent(&Event)) {
handle_events(Event);
// switch (Event.type) {
#if 0
case SDL_MOUSEBUTTONDOWN:
fingerNum = Event.button.which + 1;
mouse_state = SDL_MOUSEBUTTONDOWN;
printf("%2d fingers touch down\n",Event.button.which);
break;
case SDL_MOUSEBUTTONUP:
if(fingerNum == 2) {
memset(&pitch_action, 0, sizeof(PDF_Pitch_t)-sizeof(float32));
pinch = SDL_FALSE;
//pitch_action.scale = 1.0;
}
if(fingerNum == 1 && mouse_state == SDL_MOUSEBUTTONDOWN) {
if(Event.button.x > (app.image->h / 2)) {
buf[0] = '.';
}
else {
buf[0] = ',';
}
pdfapp_onkey(&app,buf[0]);
printf("Flip page\n");
draw_pdf();
}
// printf("%2d fingers touching\n",fingerNum);
mouse_state = NULL;
printf("%2d fingers touch up\n",Event.button.which);
if(fingerNum > 0)
fingerNum -= 1;
break;
case SDL_MOUSEMOTION:
if(fingerNum == 2) {
if(Event.motion.which == 0) {
pitch_action.x0 = Event.motion.x;
pitch_action.y0 = Event.motion.y;
}
if(Event.motion.which == 1) {
pitch_action.x1 = Event.motion.x;
pitch_action.y1 = Event.motion.y;
}
pitch_action.cx = (pitch_action.x0 + pitch_action.x1)/2;
pitch_action.cy = (pitch_action.y0 + pitch_action.y1)/2;
temp1 = pow((pitch_action.x0 - pitch_action.x1),2);
temp2 = pow((pitch_action.y0 - pitch_action.y1),2);
pitch_action.distance1 = sqrt(temp1 + temp2);
pitch_action.offset = pitch_action.distance1 - pitch_action.distance0;
pitch_action.distance0 = pitch_action.distance1;
pitch_action.offset = (int)pitch_action.offset;
// printf("cx:%4d, cy:%4d, offset:%4f \n",pitch_action.cx,
// pitch_action.cy, pitch_action.offset);
#if 1
if(pitch_action.offset > 0 && pitch_action.offset < 5) {
#if 0
app.resolution *= (Uint16)pitch_action.offset;
if (app.resolution > MAXRES)
app.resolution = MAXRES;
pdfapp_showpage(&app, 0, 1, 0);
draw_pdf();
#endif
pinch = SDL_TRUE;
pitch_action.scale += 0.008;
if(pitch_action.scale > 2)
pitch_action.scale = 2;
printf("-------------------------------------pinch out\n");
}
else if(pitch_action.offset < 0) {
#if 0
app.resolution /=(Uint16)( abs(pitch_action.offset));
if (app.resolution < MINRES)
app.resolution = MINRES;
pdfapp_showpage(&app, 0, 1, 0);
draw_pdf();
#endif
pinch = SDL_TRUE;
pitch_action.scale -= 0.008;
if(pitch_action.scale < 0.9)
pitch_action.scale = 0.9;
printf("----------------------------------pinch in\n");
}
else {
pinch = SDL_FALSE;
}
#endif
}
//printf("which: %d, x = %4d, y = %4d \n",Event.motion.which,
// Event.motion.x, Event.motion.y);
mouse_state = SDL_MOUSEMOTION;
printf("Finger move \n");
break;
#endif
/*
// handle deactivation by pausing our animation
case SDL_ACTIVEEVENT:
if ((Event.active.state & SDL_APPACTIVE) && (Event.active.gain == 0))
{
Paused = SDL_TRUE;
}
break;
default:
break;
// }
*/
}
#if 1
if(pinch) {
#if 1
if(pitch_action.scale == 1.4) {
app.resolution = 72 * 1.4;
pdfapp_showpage(&app,0,1,1);
draw_pdf();
printf("----increase pdf resolution \n");
}
if(pitch_action.scale == 1) {
app.resolution = 72;
pdfapp_showpage(&app,0,1,1);
draw_pdf();
}
content = zoomSurface(page_copy,pitch_action.scale,pitch_action.scale,SMOOTHING_OFF);
SDL_FillRect(Surface, NULL, SDL_MapRGBA(Surface->format, 45, 45, 45, 0));
SDL_BlitSurface(content,NULL, Surface, NULL);
SDL_Flip(Surface);
SDL_FreeSurface(content);
#else
app.resolution *= pitch_action.scale;
if(app.resolution > MAXRES)
app.resolution = MAXRES;
if (app.resolution < MINRES)
app.resolution = MINRES;
pdfapp_showpage(&app, 0, 1, 1);
draw_pdf();
#endif
}
#endif
SDL_Delay(0);
}
}while(Event.type != SDL_QUIT);
//cleanup
SDL_FreeSurface(content);
SDL_FreeSurface(Surface);
pdfapp_close(&app);
PDL_Quit();
SDL_Quit();
return 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);
}
void pdfapp_onmouse(pdfapp_t *app, int x, int y, int btn, int modifiers, int state)
{
pdf_link *link;
fz_matrix ctm;
fz_point p;
p.x = x - app->panx + app->image->x;
p.y = y - app->pany + app->image->y;
ctm = pdfapp_viewctm(app);
ctm = fz_invertmatrix(ctm);
p = fz_transformpoint(ctm, p);
for (link = app->page->links; link; link = link->next)
{
if (p.x >= link->rect.x0 && p.x <= link->rect.x1)
if (p.y >= link->rect.y0 && p.y <= link->rect.y1)
break;
}
if (link)
{
wincursor(app, HAND);
if (btn == 1 && state == 1)
{
if (link->kind == PDF_LURI)
pdfapp_gotouri(app, link->dest);
else if (link->kind == PDF_LGOTO)
pdfapp_gotopage(app, link->dest);
return;
}
}
else
{
wincursor(app, ARROW);
}
if (state == 1)
{
if (btn == 1 && !app->iscopying)
{
app->ispanning = 1;
app->selx = x;
app->sely = y;
}
if (btn == 3 && !app->ispanning)
{
kno_clearselect(app); //code change by kakai
app->iscopying = 1;
app->selx = x;
app->sely = y;
app->selr.x0 = x;
app->selr.x1 = x;
app->selr.y0 = y;
app->selr.y1 = y;
}
if (btn == 4 || btn == 5) /* scroll wheel */
{
int dir = btn == 4 ? 1 : -1;
app->ispanning = app->iscopying = 0;
if (modifiers & (1<<2))
{
/* zoom in/out if ctrl is pressed */
app->zoom += 0.1 * dir;
if (app->zoom > 3.0)
app->zoom = 3.0;
if (app->zoom < 0.1)
app->zoom = 0.1;
pdfapp_showpage(app, 0, 1);
}
else
{
/* scroll up/down, or left/right if
shift is pressed */
int isx = (modifiers & (1<<0));
int xstep = isx ? 20 * dir : 0;
int ystep = !isx ? 20 * dir : 0;
pdfapp_panview(app, app->panx + xstep, app->pany + ystep);
}
}
}
else if (state == -1)
{
//Code change by Kakai
//Hit testing
kno_hitdata *hitdata = kno_gethitdata(app, x, y);
printf("hit test char is: %c\n", hitdata->ucs);
//Code change by Kakai
if (app->iscopying)
{
app->iscopying = 0;
app->selr.x0 = MIN(app->selx, x);
app->selr.x1 = MAX(app->selx, x);
app->selr.y0 = MIN(app->sely, y);
app->selr.y1 = MAX(app->sely, y);
winrepaint(app);
if (app->selr.x0 < app->selr.x1 && app->selr.y0 < app->selr.y1)
windocopy(app);
}
if (app->ispanning)
app->ispanning = 0;
}
else if (app->ispanning)
{
int newx = app->panx + x - app->selx;
int newy = app->pany + y - app->sely;
pdfapp_panview(app, newx, newy);
app->selx = x;
app->sely = y;
}
else if (app->iscopying)
{
app->selr.x0 = MIN(app->selx, x);
app->selr.x1 = MAX(app->selx, x);
app->selr.y0 = MIN(app->sely, y);
app->selr.y1 = MAX(app->sely, y);
//code change by kakai
//IsHighlightable and selection testing
int closestx, closesty;
closestx = closesty = 0;
if (kno_ishighlightable(app, x, y, &closestx, &closesty) == 1)
kno_onselect(app); //code change by kakai
else
{
printf("x is %d\n", closestx);
printf("y is %d\n", closesty);
}
//code change by kakai
winrepaint(app);
}
}
void pdfapp_onkey(pdfapp_t *app, int c)
{
int oldpage = app->pageno;
enum panning panto = PAN_TO_TOP;
int loadpage = 1;
if (app->isediting)
{
int n = strlen(app->search);
if (c < ' ')
{
if (c == '\b' && n > 0)
{
app->search[n - 1] = 0;
winrepaintsearch(app);
}
if (c == '\n' || c == '\r')
{
app->isediting = 0;
if (n > 0)
{
winrepaintsearch(app);
pdfapp_onkey(app, 'n');
}
else
winrepaint(app);
}
if (c == '\033')
{
app->isediting = 0;
winrepaint(app);
}
}
else
{
if (n + 2 < sizeof app->search)
{
app->search[n] = c;
app->search[n + 1] = 0;
winrepaintsearch(app);
}
}
return;
}
/*
* Save numbers typed for later
*/
if (c >= '0' && c <= '9')
{
app->number[app->numberlen++] = c;
app->number[app->numberlen] = '\0';
}
switch (c)
{
case '?':
winhelp(app);
break;
case 'q':
winclose(app);
break;
/*
* Zoom and rotate
*/
case '+':
case '=':
app->resolution *= ZOOMSTEP;
if (app->resolution > MAXRES)
app->resolution = MAXRES;
pdfapp_showpage(app, 0, 1, 1);
break;
case '-':
app->resolution /= ZOOMSTEP;
if (app->resolution < MINRES)
app->resolution = MINRES;
pdfapp_showpage(app, 0, 1, 1);
break;
case 'L':
app->rotate -= 90;
pdfapp_showpage(app, 0, 1, 1);
break;
case 'R':
app->rotate += 90;
pdfapp_showpage(app, 0, 1, 1);
break;
case 'c':
app->grayscale ^= 1;
pdfapp_showpage(app, 0, 1, 1);
break;
#ifndef NDEBUG
case 'a':
app->rotate -= 15;
pdfapp_showpage(app, 0, 1, 1);
break;
case 's':
app->rotate += 15;
pdfapp_showpage(app, 0, 1, 1);
break;
#endif
/*
* Pan view, but dont need to repaint image
*/
case 'w':
app->shrinkwrap = 1;
app->panx = app->pany = 0;
pdfapp_showpage(app, 0, 0, 1);
break;
case 'h':
app->panx += app->image->w / 10;
pdfapp_showpage(app, 0, 0, 1);
break;
case 'j':
app->pany -= app->image->h / 10;
pdfapp_showpage(app, 0, 0, 1);
break;
case 'k':
app->pany += app->image->h / 10;
pdfapp_showpage(app, 0, 0, 1);
break;
case 'l':
app->panx -= app->image->w / 10;
pdfapp_showpage(app, 0, 0, 1);
break;
/*
* Page navigation
*/
case 'g':
case '\n':
case '\r':
if (app->numberlen > 0)
app->pageno = atoi(app->number);
else
app->pageno = 1;
break;
case 'G':
app->pageno = app->pagecount;
break;
case 'm':
if (app->numberlen > 0)
{
int idx = atoi(app->number);
if (idx >= 0 && idx < nelem(app->marks))
app->marks[idx] = app->pageno;
}
else
{
if (app->histlen + 1 == 256)
{
memmove(app->hist, app->hist + 1, sizeof(int) * 255);
app->histlen --;
}
app->hist[app->histlen++] = app->pageno;
}
break;
case 't':
if (app->numberlen > 0)
{
int idx = atoi(app->number);
if (idx >= 0 && idx < nelem(app->marks))
if (app->marks[idx] > 0)
app->pageno = app->marks[idx];
}
else if (app->histlen > 0)
app->pageno = app->hist[--app->histlen];
break;
/*
* Back and forth ...
*/
case ',':
panto = PAN_TO_BOTTOM;
if (app->numberlen > 0)
app->pageno -= atoi(app->number);
else
app->pageno--;
break;
case '.':
panto = PAN_TO_TOP;
if (app->numberlen > 0)
app->pageno += atoi(app->number);
else
app->pageno++;
break;
case 'b':
panto = DONT_PAN;
if (app->numberlen > 0)
app->pageno -= atoi(app->number);
else
app->pageno--;
break;
case ' ':
panto = DONT_PAN;
if (app->numberlen > 0)
app->pageno += atoi(app->number);
else
app->pageno++;
break;
case '<':
panto = PAN_TO_TOP;
app->pageno -= 10;
break;
case '>':
panto = PAN_TO_TOP;
app->pageno += 10;
break;
/*
* Reloading the file...
*/
case 'r':
panto = DONT_PAN;
oldpage = -1;
winreloadfile(app);
break;
/*
* Searching
*/
case '/':
app->isediting = 1;
app->search[0] = 0;
app->hit = -1;
app->hitlen = 0;
winrepaintsearch(app);
break;
case 'n':
pdfapp_searchforward(app, &panto);
loadpage = 0;
break;
case 'N':
pdfapp_searchbackward(app, &panto);
loadpage = 0;
break;
}
if (c < '0' || c > '9')
app->numberlen = 0;
if (app->pageno < 1)
app->pageno = 1;
if (app->pageno > app->pagecount)
app->pageno = app->pagecount;
if (app->pageno != oldpage)
{
switch (panto)
{
case PAN_TO_TOP:
app->pany = 0;
break;
case PAN_TO_BOTTOM:
app->pany = -2000;
break;
case DONT_PAN:
break;
}
pdfapp_showpage(app, loadpage, 1, 1);
}
}
void pdfapp_onmouse(pdfapp_t *app, int x, int y, int btn, int modifiers, int state)
{
pdf_link *link;
fz_matrix ctm;
fz_point p;
p.x = x - app->panx + app->image->x;
p.y = y - app->pany + app->image->y;
ctm = pdfapp_viewctm(app);
ctm = fz_invert_matrix(ctm);
p = fz_transform_point(ctm, p);
for (link = app->page_links; link; link = link->next)
{
if (p.x >= link->rect.x0 && p.x <= link->rect.x1)
if (p.y >= link->rect.y0 && p.y <= link->rect.y1)
break;
}
if (link)
{
wincursor(app, HAND);
if (btn == 1 && state == 1)
{
if (link->kind == PDF_LINK_URI)
pdfapp_gotouri(app, link->dest);
else if (link->kind == PDF_LINK_GOTO)
pdfapp_gotopage(app, fz_array_get(link->dest, 0)); /* [ pageobj ... ] */
return;
}
}
else
{
wincursor(app, ARROW);
}
if (state == 1)
{
if (btn == 1 && !app->iscopying)
{
app->ispanning = 1;
app->selx = x;
app->sely = y;
app->beyondy = 0;
}
if (btn == 3 && !app->ispanning)
{
app->iscopying = 1;
app->selx = x;
app->sely = y;
app->selr.x0 = x;
app->selr.x1 = x;
app->selr.y0 = y;
app->selr.y1 = y;
}
if (btn == 4 || btn == 5) /* scroll wheel */
{
int dir = btn == 4 ? 1 : -1;
app->ispanning = app->iscopying = 0;
if (modifiers & (1<<2))
{
/* zoom in/out if ctrl is pressed */
if (dir > 0)
app->resolution *= ZOOMSTEP;
else
app->resolution /= ZOOMSTEP;
if (app->resolution > MAXRES)
app->resolution = MAXRES;
if (app->resolution < MINRES)
app->resolution = MINRES;
pdfapp_showpage(app, 0, 1, 1);
}
else
{
/* scroll up/down, or left/right if
shift is pressed */
int isx = (modifiers & (1<<0));
int xstep = isx ? 20 * dir : 0;
int ystep = !isx ? 20 * dir : 0;
pdfapp_panview(app, app->panx + xstep, app->pany + ystep);
}
}
}
else if (state == -1)
{
if (app->iscopying)
{
app->iscopying = 0;
app->selr.x0 = MIN(app->selx, x) - app->panx + app->image->x;
app->selr.x1 = MAX(app->selx, x) - app->panx + app->image->x;
app->selr.y0 = MIN(app->sely, y) - app->pany + app->image->y;
app->selr.y1 = MAX(app->sely, y) - app->pany + app->image->y;
winrepaint(app);
if (app->selr.x0 < app->selr.x1 && app->selr.y0 < app->selr.y1)
windocopy(app);
}
if (app->ispanning)
app->ispanning = 0;
}
else if (app->ispanning)
{
int newx = app->panx + x - app->selx;
int newy = app->pany + y - app->sely;
/* Scrolling beyond limits implies flipping pages */
/* Are we requested to scroll beyond limits? */
if (newy + app->image->h < app->winh || newy > 0)
{
/* Yes. We can assume that deltay != 0 */
int deltay = y - app->sely;
/* Check whether the panning has occured in the
* direction that we are already crossing the
* limit it. If not, we can conclude that we
* have switched ends of the page and will thus
* start over counting.
*/
if( app->beyondy == 0 || (app->beyondy ^ deltay) >= 0 )
{
/* Updating how far we are beyond and
* flipping pages if beyond threshhold
*/
app->beyondy += deltay;
if (app->beyondy > BEYOND_THRESHHOLD)
{
if( app->pageno > 1 )
{
app->pageno--;
pdfapp_showpage(app, 1, 1, 1);
newy = -app->image->h;
}
app->beyondy = 0;
}
else if (app->beyondy < -BEYOND_THRESHHOLD)
{
if( app->pageno < app->pagecount )
{
app->pageno++;
pdfapp_showpage(app, 1, 1, 1);
newy = 0;
}
app->beyondy = 0;
}
}
else
app->beyondy = 0;
}
/* Although at this point we've already determined that
* or that no scrolling will be performed in
* y-direction, the x-direction has not yet been taken
* care off. Therefore
*/
pdfapp_panview(app, newx, newy);
app->selx = x;
app->sely = y;
}
else if (app->iscopying)
{
app->selr.x0 = MIN(app->selx, x) - app->panx + app->image->x;
app->selr.x1 = MAX(app->selx, x) - app->panx + app->image->x;
app->selr.y0 = MIN(app->sely, y) - app->pany + app->image->y;
app->selr.y1 = MAX(app->sely, y) - app->pany + app->image->y;
winrepaint(app);
}
}
void pdfapp_onkey(pdfapp_t *app, int c)
{
int oldpage = app->pageno;
int panto = 0; /* 0 = top, 1 = bottom, 2 = leave alone */
/*
* Save numbers typed for later
*/
if (c >= '0' && c <= '9')
app->number[app->numberlen++] = c;
else
if (c != 'g' && c != 'G')
app->numberlen = 0;
switch (c)
{
/*
* Zoom and rotate
*/
case '+': case '=':
app->zoom += 0.1;
if (app->zoom > 3.0)
app->zoom = 3.0;
pdfapp_showpage(app, 0, 1);
break;
case '-':
app->zoom -= 0.1;
if (app->zoom < 0.1)
app->zoom = 0.1;
pdfapp_showpage(app, 0, 1);
break;
case 'l': case '<':
app->rotate -= 90;
pdfapp_showpage(app, 0, 1);
break;
case 'r': case '>':
app->rotate += 90;
pdfapp_showpage(app, 0, 1);
break;
case 'a':
app->rotate -= 15;
pdfapp_showpage(app, 0, 1);
break;
case 's':
app->rotate += 15;
pdfapp_showpage(app, 0, 1);
break;
/*
* Pan view, but dont need to repaint image
*/
case 'w':
app->shrinkwrap = 1;
app->panx = app->pany = 0;
pdfapp_showpage(app, 0, 0);
break;
case 'd':
app->pany -= app->image->h / 10;
pdfapp_showpage(app, 0, 0);
break;
case 'u':
app->pany += app->image->h / 10;
pdfapp_showpage(app, 0, 0);
break;
case ',':
app->panx += app->image->w / 10;
pdfapp_showpage(app, 0, 0);
break;
case '.':
app->panx -= app->image->w / 10;
pdfapp_showpage(app, 0, 0);
break;
/*
* Page navigation
*/
case 'g':
case '\n':
case '\r':
if (app->numberlen > 0)
{
app->number[app->numberlen] = '\0';
app->pageno = atoi(app->number);
app->numberlen = 0;
}
break;
case 'G':
app->pageno = pdf_getpagecount(app->pages);
break;
case 'm':
if (app->histlen + 1 == 256)
{
memmove(app->hist, app->hist + 1, sizeof(int) * 255);
app->histlen --;
}
app->hist[app->histlen++] = app->pageno;
break;
case 't':
if (app->histlen > 0)
app->pageno = app->hist[--app->histlen];
break;
/*
* Back and forth ...
*/
case 'p':
panto = 2;
app->pageno--;
break;
case 'b': case '\b':
panto = 1;
app->pageno--;
break;
case 'n':
panto = 2;
case 'f': case ' ':
app->pageno++;
break;
case 'B':
app->pageno -= 10;
break;
case 'F':
app->pageno += 10;
break;
}
if (app->pageno < 1)
app->pageno = 1;
if (app->pageno > pdf_getpagecount(app->pages))
app->pageno = pdf_getpagecount(app->pages);
if (app->pageno != oldpage)
{
switch (panto)
{
case 0: app->pany = 0; break;
case 1: app->pany = -2000; break;
case 2: break;
}
pdfapp_showpage(app, 1, 1);
}
}
