void handlekey(int c)
{
if (timer_pending)
killtimer(&gapp);
if (GetCapture() == hwndview)
return;
if (justcopied)
{
justcopied = 0;
winrepaint(&gapp);
}
/* translate VK into ASCII equivalents */
if (c > 256)
{
switch (c - 256)
{
case VK_F1: c = '?'; break;
case VK_ESCAPE: c = '\033'; break;
case VK_DOWN: c = 'j'; break;
case VK_UP: c = 'k'; break;
case VK_LEFT: c = 'b'; break;
case VK_RIGHT: c = ' '; break;
case VK_PRIOR: c = ','; break;
case VK_NEXT: c = '.'; break;
}
}
pdfapp_onkey(&gapp, c);
winrepaint(&gapp);
}
static void onkey(int c, int modifiers)
{
advance_scheduled = 0;
if (justcopied)
{
justcopied = 0;
winrepaint(&gapp);
}
if (!gapp.issearching && c == 'P')
{
struct timeval now;
struct timeval tmo;
tmo.tv_sec = 2;
tmo.tv_usec = 0;
gettimeofday(&now, NULL);
timeradd(&now, &tmo, &tmo_at);
showingpage = 1;
winrepaint(&gapp);
return;
}
pdfapp_onkey(&gapp, c, modifiers);
if (gapp.issearching)
{
showingpage = 0;
showingmessage = 0;
}
}
void handlekey(int c)
{
if (GetCapture() == hwndview)
return;
if (justcopied)
{
justcopied = 0;
winrepaint(&gapp);
}
/* translate VK into ascii equivalents */
switch (c)
{
case VK_F1: c = '?'; break;
case VK_ESCAPE: c = 'q'; break;
case VK_DOWN: c = 'd'; break;
case VK_UP: c = 'u'; break;
case VK_LEFT: c = 'p'; break;
case VK_RIGHT: c = 'n'; break;
case VK_PRIOR: c = 'b'; break;
case VK_NEXT: c = ' '; break;
}
if (c == 'q')
exit(0);
else if (c == '?' || c == 'h')
help();
else
pdfapp_onkey(&gapp, c);
}
static void onkey(int c)
{
if (justcopied)
{
justcopied = 0;
winrepaint(&gapp);
}
pdfapp_onkey(&gapp, c);
}
void onkey(int c)
{
if (justcopied)
{
justcopied = 0;
winrepaint(&gapp);
}
if (c == 'q')
exit(0);
pdfapp_onkey(&gapp, c);
}
PDL_bool flip_page(PDL_JSParameters *params)
{
char *key;
if(PDL_GetNumJSParams(params) < 1) {
PDL_JSException(params, "Params not ok");
return PDL_TRUE;
}
key = PDL_GetJSParamString(params,0);
pdfapp_onkey(&app,*key);
draw_pdf();
return PDL_TRUE;
}
static void onkey(int c)
{
if (justcopied)
{
justcopied = 0;
winrepaint(&gapp);
}
if (c == 'P')
windrawpageno(&gapp);
else if (c == 'q')
exit(0);
else
pdfapp_onkey(&gapp, c);
}
static void onkey(int c)
{
advance_scheduled = 0;
if (justcopied)
{
justcopied = 0;
winrepaint(&gapp);
}
if (!gapp.isediting && c == 'P')
{
showingpage = 1;
winrepaint(&gapp);
return;
}
pdfapp_onkey(&gapp, c);
}
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);
}
}
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;
}