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ESPEasy/lib/MD_Parola/src/MD_Parola_Mesh.cpp
T

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/*
MD_Parola - Library for modular scrolling text and Effects
See header file for comments
Copyright (C) 2013 Marco Colli. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <MD_Parola.h>
#include <MD_Parola_lib.h>
/**
* \file
* \brief Implements mesh effect
*/
void MD_PZone::effectMesh(bool bIn)
// Text enters with alternating up/down columns
{
bool bUp = true;
if (bIn) // incoming
{
switch (_fsmState)
{
case INITIALISE:
PRINT_STATE("I MESH");
_nextPos = 0;
_fsmState = PUT_CHAR;
// fall through to next state
case GET_FIRST_CHAR:
case GET_NEXT_CHAR:
case PUT_CHAR:
case PAUSE:
PRINT_STATE("I MESH");
zoneClear();
commonPrint();
for (uint8_t c = ZONE_START_COL(_zoneStart); c <= ZONE_END_COL(_zoneEnd); c++)
{
// scroll the whole display so that the message appears to be animated
// Note: Directions are reversed because we start with the message in the
// middle position thru commonPrint() and to see it animated move DOWN we
// need to scroll it UP, and vice versa.
uint8_t col = _MX->getColumn(c);
col = (bUp ? col >> (COL_SIZE - 1 - _nextPos) : col << (COL_SIZE - 1 - _nextPos));
_MX->setColumn(c, col);
bUp = !bUp;
}
// check if we have finished
_nextPos++;
if (_nextPos == COL_SIZE) _fsmState = PAUSE;
break;
default:
PRINT_STATE("I MESH");
_fsmState = PAUSE;
}
}
else // exiting
{
switch (_fsmState)
{
case PAUSE:
case INITIALISE:
PRINT_STATE("O MESH");
_nextPos = 1;
_fsmState = PUT_CHAR;
// fall through to next state
case GET_FIRST_CHAR:
case GET_NEXT_CHAR:
case PUT_CHAR:
PRINT_STATE("O MESH");
for (uint8_t c = ZONE_START_COL(_zoneStart); c <= ZONE_END_COL(_zoneEnd); c++)
{
uint8_t col = _MX->getColumn(c);
col = (bUp ? col << _nextPos : col >> _nextPos);
_MX->setColumn(c, col);
bUp = !bUp;
}
// check if we have finished
_nextPos++;
if (_nextPos == COL_SIZE) _fsmState = END;
break;
default:
PRINT_STATE("O MESH");
_fsmState = END;
break;
}
}
}