/elec/propeller-clock

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  • Committer: edam
  • Date: 2012-02-29 21:56:32 UTC
  • Revision ID: edam@waxworlds.org-20120229215632-kypb9491vx7bicef
moved some stuf round, created a re-usable pool of message buffers, genericised "modes" for messages

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src/text.cc
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#include "display.h"
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// the proportion of the display to use (in segments)
 
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#define BIG_SEGMENTS ( NUM_SEGMENTS * 2 / 3 )
 
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#define SMALL_SEGMENTS ( NUM_SEGMENTS - BIG_TEXT_SEGMENTS )
 
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#define HALF_SEGMENTS ( NUM_SEGMENTS / 2 )
 
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// the buffer for the message
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char Text::_messages[ NUM_MESSAGE_BUFFERS ][ MESSAGE_BUFFER_LEN ];
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void reset_message_param( int message_num )
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{
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        if( _message_modes[ message_num ] & Text::MODE_HSCROLL )
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        {
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                switch( _message_modes[ message_num ] & 0x1c )
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                {
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                case Text::MODE_ONEQUARTER:
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                        _message_params[ message_num ] = -NUM_SEGMENTS / 4; break;
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                case Text::MODE_ONETHIRD:
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                        _message_params[ message_num ] = -NUM_SEGMENTS / 3; break;
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                case Text::MODE_HALF:
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                        _message_params[ message_num ] = -NUM_SEGMENTS / 2; break;
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                case Text::MODE_TWOTHIRDS:
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                        _message_params[ message_num ] = -NUM_SEGMENTS * 2 / 3; break;
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                case Text::MODE_THREEQUARTERS:
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                        _message_params[ message_num ] = -NUM_SEGMENTS * 3 / 4; break;
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                case Text::MODE_ALL:
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                        _message_params[ message_num ] = -NUM_SEGMENTS; break;
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                }
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        }
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        else
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        {
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                switch( _message_modes[ message_num ] & 0x1c )
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                {
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                case Text::MODE_ONEQUARTER:
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                        _message_params[ message_num ] = NUM_SEGMENTS / 4; break;
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                case Text::MODE_ONETHIRD:
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                        _message_params[ message_num ] = NUM_SEGMENTS / 3; break;
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                case Text::MODE_HALF:
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                        _message_params[ message_num ] = NUM_SEGMENTS / 2; break;
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                case Text::MODE_TWOTHIRDS:
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                        _message_params[ message_num ] = NUM_SEGMENTS * 2 / 3; break;
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                case Text::MODE_THREEQUARTERS:
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                        _message_params[ message_num ] = NUM_SEGMENTS * 3 / 4; break;
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                case Text::MODE_ALL:
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                        _message_params[ message_num ] = NUM_SEGMENTS; break;
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                }
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                _message_params[ message_num ] = -( _message_params[ message_num ] -
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                        TextRenderer::get_width( _message_lens[ message_num ] ) ) / 2;
 
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        switch( _message_modes[ message_num ] )
 
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        {
 
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        case 'S':
 
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                _message_params[ message_num ] = -BIG_SEGMENTS;
 
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                break;
 
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        case 's':
 
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                _message_params[ message_num ] = -HALF_SEGMENTS;
 
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                break;
 
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        case 'B':
 
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        case 'T':
 
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                _message_params[ message_num ] = -( BIG_SEGMENTS -
 
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                        TextRenderer::get_width( _message_lens[ message_num ] ) ) / 2;
 
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                break;
 
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        case 'b':
 
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        case 't':
 
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                _message_params[ message_num ] = -( HALF_SEGMENTS -
 
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                        TextRenderer::get_width( _message_lens[ message_num ] ) ) / 2;
 
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                break;
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        }
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}
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}
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void Text::reset_message( int message_num, char mode )
 
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void Text::set_message_mode( int message_num, char mode )
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{
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        _message_modes[ message_num ] = mode;
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        reset_message_param( message_num );
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        case MODE_BOTTOM:
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                if( segment > ( NUM_SEGMENTS - width ) / 2 &&
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                        segment < ( NUM_SEGMENTS - width ) / 2 + width )
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                {
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                        segment = width - ( segment - ( NUM_SEGMENTS - width ) / 2 );
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                }               
 
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                        segment -= ( NUM_SEGMENTS - width ) / 2;
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                else
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                        return;
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                break;
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        TextRenderer::render(
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                _messages[ message_num ], _message_lens[ message_num ],
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                (long)segment + _message_params[ message_num ],
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                ( _message_modes[ message_num ] & 1 ) == 0, 0 );
 
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                _message_modes[ message_num ] & 1 == 0, 0 );
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}