75 lines
2.1 KiB
C++
75 lines
2.1 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 dissolve effect
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*/
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void MD_PZone::effectDissolve(bool bIn)
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// Dissolve the current message in/out
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{
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switch (_fsmState)
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{
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case INITIALISE: // bIn = true
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case PAUSE: // bIn = false
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case GET_FIRST_CHAR: // first stage dissolve
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PRINT_STATE("IO DISS");
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for (int16_t i=ZONE_START_COL(_zoneStart); i<=ZONE_END_COL(_zoneEnd); i++)
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{
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uint8_t col = DATA_BAR(_MX->getColumn(i));
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col |= (i&1 ? 0x55 : 0xaa); // checkerboard pattern
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_MX->setColumn(i, DATA_BAR(col));
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}
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_fsmState = GET_NEXT_CHAR;
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break;
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case GET_NEXT_CHAR: // second stage dissolve
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PRINT_STATE("IO DISS");
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zoneClear();
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if (bIn) commonPrint();
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for (int16_t i=ZONE_START_COL(_zoneStart); i<=ZONE_END_COL(_zoneEnd); i++)
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{
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uint8_t col = DATA_BAR(_MX->getColumn(i));
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col |= (i&1 ? 0xaa : 0x55); // alternate checkerboard pattern
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_MX->setColumn(i, DATA_BAR(col));
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}
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_fsmState = PUT_CHAR;
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break;
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case PUT_CHAR:
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PRINT_STATE("IO DISS");
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zoneClear();
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if (bIn) commonPrint();
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_fsmState = (bIn ? PAUSE : END);
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break;
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default:
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PRINT_STATE("IO DISS");
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_fsmState = (bIn ? PAUSE : END);
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}
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}
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