/elec/propeller-clock : revision 59

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Viewing changes to src/text_renderer.h

Committer: edam
Date: 2012-02-28 16:50:26 UTC
Revision ID: edam@waxworlds.org-20120228165026-pwnwo300xx2e2kg6

removed ulibc, fixed button, added text rendering

files added:
src/digital_clock_mode.cc

src/digital_clock_mode.h

src/display.cc

src/display.h

src/mode_base.h

src/text_renderer.cc

src/text_renderer.h

src/util/PString.cpp

src/util/PString.h

files removed:
src/utility

src/utility/Jamfile

src/utility/Makefile

src/utility/README.md

src/utility/StandardCplusplus.h

src/utility/algorithm

src/utility/algorithm.cpp

src/utility/associative_base

src/utility/associative_base.cpp

src/utility/basic_definitions

src/utility/bitset

src/utility/bitset.cpp

src/utility/cassert

src/utility/cctype

src/utility/cerrno

src/utility/cfloat

src/utility/char_traits

src/utility/char_traits.cpp

src/utility/climits

src/utility/clocale

src/utility/cmath

src/utility/complex

src/utility/complex.cpp

src/utility/csetjmp

src/utility/csignal

src/utility/cstdarg

src/utility/cstddef

src/utility/cstdio

src/utility/cstdlib

src/utility/cstring

src/utility/ctime

src/utility/cwchar

src/utility/cwctype

src/utility/del_op.cpp

src/utility/del_opnt.cpp

src/utility/del_opv.cpp

src/utility/del_opvnt.cpp

src/utility/deque

src/utility/deque.cpp

src/utility/eh_alloc.cpp

src/utility/eh_globals.cpp

src/utility/exception

src/utility/exception.cpp

src/utility/fstream

src/utility/fstream.cpp

src/utility/func_exception

src/utility/func_exception.cpp

src/utility/functional

src/utility/iomanip

src/utility/iomanip.cpp

src/utility/ios

src/utility/ios.cpp

src/utility/iosfwd

src/utility/iostream

src/utility/iostream.cpp

src/utility/istream

src/utility/istream.cpp

src/utility/istream_helpers

src/utility/iterator

src/utility/iterator.cpp

src/utility/iterator_base

src/utility/limits

src/utility/limits.cpp

src/utility/list

src/utility/list.cpp

src/utility/locale

src/utility/locale.cpp

src/utility/map

src/utility/map.cpp

src/utility/memory

src/utility/new

src/utility/new_handler.cpp

src/utility/new_op.cpp

src/utility/new_opnt.cpp

src/utility/new_opv.cpp

src/utility/new_opvnt.cpp

src/utility/numeric

src/utility/numeric.cpp

src/utility/ostream

src/utility/ostream.cpp

src/utility/ostream_helpers

src/utility/queue

src/utility/queue.cpp

src/utility/serstream

src/utility/set

src/utility/set.cpp

src/utility/sstream

src/utility/sstream.cpp

src/utility/stack

src/utility/stack.cpp

src/utility/stdexcept

src/utility/stdexcept.cpp

src/utility/streambuf

src/utility/streambuf.cpp

src/utility/string

src/utility/string.cpp

src/utility/string_iostream

src/utility/support

src/utility/support.cpp

src/utility/system_configuration.h

src/utility/type_traits

src/utility/typeinfo

src/utility/typeinfo.cpp

src/utility/uartbuf

src/utility/unwind-cxx.h

src/utility/utility.cpp

src/utility/utility.h

src/utility/valarray

src/utility/valarray.cpp

src/utility/vector

src/utility/vector.cpp

files renamed:
src/mode_switcher.cc => src/switcher_major_mode.cc

src/mode_switcher.h => src/switcher_major_mode.h

files modified:
arduino.mk

src/analogue_clock_mode.cc

src/button.cc

src/button.h

src/config.h

src/drawer.cc

src/drawer.h

src/major_mode.h

src/minor_mode.cc

src/minor_mode.h

src/propeller-clock.ino

src/test_mode.cc

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added added

removed removed

src/text_renderer.h

* text_renderer.h

* This file is part of propeller-clock (hereafter referred to as "this

* program"). See http://ed.am/dev/software/arduino/propeller-clock for more

* information.

* This program 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 3 of the License, or

* (at your option) any later version.

* This program 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 program. If not, see <http://www.gnu.org/licenses/>.

#ifndef _TEXT_RENDERER_H_

#define _TEXT_RENDERER_H_

#include <PString.h>

#define MAX_MESSAGE_LENGTH 64

class TextRenderer

{

public:

/**

* Get singleton instance of text renderer.

* @return singleton instance

static TextRenderer &get_instance();

/**

* Retrieve the PString that is used to render text with the intention of

* changing it. This resets the text services.

* @param message the message

PString &get_pstring();

/**

* Call at the start of each frame.

void draw_reset();

/**

* Draw segment using automatic scrolling.

void draw_scroll( int segment );

protected:

TextRenderer();

/**

* Transform segment in to display-space.

* @param segment

* @return display-space segment

int xform_segment( int segment );

/**

* Draw the specified column of pixels from the message

* @param x pixel column to draw

void render( int x );

/**

* Get a pointer to the character data in the font for a given

* character.

* @param character to look-up

* @param glyph where to store the glyph data

void get_glyph( char c, char *glyph );

/** the buffer for the message */

char _message_buffer[ MAX_MESSAGE_LENGTH ];

/** the current message */

PString _message;

/** glyph */

char _glyph_cache[ 8 ];

/** the character the current glyph is for */

100

char _glyph_cache_char;

101

102

/** selected font */

103

int _font;

104

105

/** time last frame */

106

unsigned long _last_millis;

107

108

/** duration last frame (in case we can't calculate it this

109

* frame!) */

110

unsigned long _duration;

111

112

/** scroll position (in segments ) */

113

signed long _scroll;

114

115

};

116

117

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#endif //_TEXT_RENDERER_H_