C++ (Cpp) mng_display_freeze Examples

Example #1

File: mng_render.c Project: kissthink/fbsplash

mng_retcode mng_render_proportional(mng_handle mngh, int progress)
{
	mng_anim *mng = mng_get_userdata(mngh);
	mng_retcode ret = MNG_NOERROR;
	int frame_num, current_frame;

	frame_num = ((progress * mng->num_frames) / FBSPL_PROGRESS_MAX) + 1;
	if (!mng->displayed_first) {
		ret = mng_display(mngh);
		mng->displayed_first = 1;
	}

	if (mng->num_frames == 0 && mng->displayed_first)
		return MNG_NOERROR;

	if (frame_num > mng->num_frames)
		frame_num = mng->num_frames;

	current_frame = mng_get_currentframe(mngh);
	if (current_frame == frame_num)
		return ret;

	/* Don't bother freezing if the next frame is just n+1. mng_display_resume
	 * will do this case by default, and it saves us from the horrid hack
	 * below.
	 */
	if (frame_num != current_frame + 1) {
		mng_display_freeze(mngh);

		/* XXX: hack! workaround what seems to be a bug in libmng - it won't
		 * actually repaint the canvas if you wind an animation "forwards"
		 * using goframe, only backwards, so go to the end of the animation first.
		 */

		mng_display_goframe(mngh, mng->num_frames);
		if (frame_num != mng->num_frames)
			mng_display_goframe(mngh, frame_num);
	}

	ret = mng_display_resume(mngh);

	if (ret == MNG_NEEDTIMERWAIT || ret == MNG_NOERROR)
		return ret;

	print_mng_error(mngh, "mng_display failed");

	return ret;
}

Example #2

File: npmngplg.c Project: 03050903/Torque3D

static void ContextMenu(PluginInstance *This, HWND hwnd)
{
	int cmd;
	HMENU menu;
	POINT pt;
	unsigned char buf[MAX_PATH], buf2[200];

	pt.x=0; pt.y=0;
	GetCursorPos(&pt);

	// create context menu dynamically
	menu=CreatePopupMenu();
	if(This->errorflag) {
		AppendMenu(menu,MF_ENABLED,ID_SHOWERROR,"SHOW ERROR MESSAGE");
		AppendMenu(menu,MF_SEPARATOR,0,NULL);
	}

	AppendMenu(menu,(This->loadstate>=STATE_LOADED?MF_ENABLED:MF_GRAYED),ID_SAVEAS,"Save Image &As...");
	AppendMenu(menu,(This->lpdib?MF_ENABLED:MF_GRAYED),ID_COPYIMAGE,"&Copy Image");
	AppendMenu(menu,MF_ENABLED,ID_COPYURL,"Cop&y Image Location");
	if(This->islink) {
		AppendMenu(menu,MF_ENABLED,ID_COPYLINKLOC,"Copy Link Location");
	}

	url2filename(buf,This->url);
	escapeformenu(buf);
	if(lstrlen(buf)) {
		wsprintf(buf2,"View Image (%s)",buf);
	}
	else {
		wsprintf(buf2,"View Image");
	}
	AppendMenu(menu,MF_ENABLED,ID_VIEWIMAGE,buf2);


	AppendMenu(menu,MF_SEPARATOR,0,NULL);
	// AppendMenu(menu,(This->mng?MF_ENABLED:MF_GRAYED),ID_STOPANIM,"Stop Animation");


	AppendMenu(menu,(This->mng?MF_ENABLED:MF_GRAYED)|
		(This->frozen?MF_CHECKED:MF_UNCHECKED),ID_FREEZE,"&Freeze Animation");

	// AppendMenu(menu,(This->mng?MF_ENABLED:MF_GRAYED),ID_RESTARTANIM,"Restart Animation");

	AppendMenu(menu,MF_SEPARATOR,0,NULL);

	AppendMenu(menu,MF_ENABLED,ID_PROPERTIES,"Properties...");

	AppendMenu(menu,MF_ENABLED,ID_ABOUT,"About MNG Plug-in...");

	cmd=TrackPopupMenuEx(menu, TPM_LEFTALIGN|TPM_TOPALIGN|TPM_NONOTIFY|TPM_RETURNCMD|
		TPM_RIGHTBUTTON,pt.x,pt.y,hwnd,NULL);

	DestroyMenu(menu);

	switch(cmd) {

	case ID_STOPANIM:
		if(This->mng) {
			KillTimer(This->fhWnd,1);
			This->timer_set=0;
			mng_display_freeze(This->mng);
		}
		break;

	case ID_FREEZE:
		This->frozen = !This->frozen;
		if(This->frozen) {
			KillTimer(This->fhWnd,1);
			This->timer_set=0;
			mng_display_freeze(This->mng);
		}
		else {
			handle_read_error(This, mng_display_resume(This->mng) );

		}
		break;

	case ID_RESTARTANIM:
		if(!This->frozen) {
			KillTimer(This->fhWnd,1);
			This->timer_set=0;
			mng_display_freeze(This->mng);
		}
		This->frozen=1;
		mng_display_reset(This->mng);
		This->frozen=0;
		handle_read_error(This, mng_display_resume(This->mng) );
		break;

	case ID_SAVEAS:
		SaveImage(This);
		break;
	case ID_COPYIMAGE:
		if(This->lpdib) {
			CopyToClipboard(This,(unsigned char*)This->lpdib,This->dibsize,CF_DIB);
		}
		else {
			warn(This,"No image to copy");
		}
		break;
	case ID_COPYURL:
		CopyToClipboard(This,This->url,lstrlen(This->url)+1,CF_TEXT);
		break;
	case ID_COPYLINKLOC:
		if(This->islink) {
			CopyToClipboard(This,This->linkurl,lstrlen(This->linkurl)+1,CF_TEXT);
		}
		break;
	case ID_VIEWIMAGE:
		if(lstrlen(This->url)) 
			NPN_GetURL(This->instance,This->url,"_self");
		break;
	case ID_PROPERTIES:
		PropDialog(This);
		break;
	case ID_ABOUT:
		AboutDialog(This);
		break;
	case ID_SHOWERROR:
		display_last_error(This);
		break;
	}
}