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Viewing changes to src/text_renderer.cc

  • Committer: Tim Marston
  • Date: 2012-04-29 15:27:19 UTC
  • Revision ID: tim@ed.am-20120429152719-4cu2t9lx7bxpbml1
added adjustable text scaling factor

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src/text_renderer.cc
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#include "Arduino.h"
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#include <avr/pgmspace.h>
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#include "common.h"
 
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#include "nvram.h"
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// cached glyph
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}
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int TextRenderer::get_width( int message_len )
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{
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        return message_len * 8 * TEXT_SCALE;
 
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void TextRenderer::init()
 
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{
 
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        Nvram::load( Nvram::NVRAM_FONT, _font );
 
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        if( _font < 0 || _font >= 4 ) _font = 0;
 
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}
 
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int TextRenderer::get_width( int message_len, int scale )
 
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{
 
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        return message_len * 8 * scale;
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}
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void TextRenderer::render( const char *message, int message_len, int x,
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                                                   bool y_flip, int y_shift )
 
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                                                   bool y_flip, int y_shift, int scale )
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{
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        char glyph_col = 0;
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        if( x >= 0 )
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        {
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                // scale font
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                x /= TEXT_SCALE;
 
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                x /= scale;
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                int pos = x / 8;
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                if( pos < message_len )
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{
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        if( ++_font >= 4 )
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                _font = 0;
 
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        Nvram::save( Nvram::NVRAM_FONT, _font );
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}