106 lines
2.9 KiB
C++
106 lines
2.9 KiB
C++
/*
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MD_Parola - Library for modular scrolling text and Effects
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See header file for comments
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Copyright (C) 2013 Marco Colli. All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <MD_Parola.h>
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#include <MD_Parola_lib.h>
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/**
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* \file
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* \brief Implements diagonal scroll effect
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*/
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void MD_PZone::effectDiag(bool bUp, bool bLeft, bool bIn)
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// Scroll the display diagonally up or down, left or right, depending on the selected effect
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{
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if (bIn) // incoming
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{
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switch (_fsmState)
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{
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case INITIALISE:
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PRINT_STATE("I DIAG");
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_nextPos = 0; // the position in the animation
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_MX->control(_zoneStart, _zoneEnd, MD_MAX72XX::WRAPAROUND, MD_MAX72XX::OFF);
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_fsmState = PUT_CHAR;
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// fall through to next state
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case GET_FIRST_CHAR:
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case GET_NEXT_CHAR:
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case PUT_CHAR:
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case PAUSE:
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PRINT_STATE("I DIAG");
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zoneClear();
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commonPrint();
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for (uint8_t i = _nextPos; i < 7; i++)
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{
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// scroll the whole display so that the message appears to be animated
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// Note: Directions are reversed because we start with the message in the
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// middle position thru commonPrint() and to see it animated move DOWN we
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// need to scroll it UP, and vice versa.
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_MX->transform(_zoneStart, _zoneEnd, bUp ? MD_MAX72XX::TSD : MD_MAX72XX::TSU);
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_MX->transform(_zoneStart, _zoneEnd, bLeft ? MD_MAX72XX::TSR : MD_MAX72XX::TSL);
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}
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// check if we have finished
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if (_nextPos == 7) _fsmState = PAUSE;
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_nextPos++;
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break;
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default:
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PRINT_STATE("I DIAG");
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_fsmState = PAUSE;
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}
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}
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else // exiting
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{
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switch (_fsmState)
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{
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case PAUSE:
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case INITIALISE:
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PRINT_STATE("O DIAG");
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_nextPos = 0;
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_fsmState = PUT_CHAR;
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// fall through to next state
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case GET_FIRST_CHAR:
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case GET_NEXT_CHAR:
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case PUT_CHAR:
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PRINT_STATE("O DIAG");
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_MX->transform(_zoneStart, _zoneEnd, bUp ? MD_MAX72XX::TSU : MD_MAX72XX::TSD);
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_MX->transform(_zoneStart, _zoneEnd, bLeft ? MD_MAX72XX::TSL : MD_MAX72XX::TSR);
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// check if we have finished
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if (_nextPos == 7) _fsmState = END;
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_nextPos++;
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break;
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default:
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PRINT_STATE("O DIAG");
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_fsmState = END;
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break;
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}
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}
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}
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