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GraphLCD base package Revision History
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2007-02-25: Version 0.1.5
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- added missing include path definition (thanks to Wolfgang Astleitner)
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- replaced unsigned long long with uint64_t
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- added missing includes
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- increased VER_MAJOR for glcdgraphics library as interface changed in an incompatible way (thanks to Tobias Grimm)
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- changed type of fbp (framebuffer pointer) to void*. Compare fbp against MAP_FAILED to test for success of mmap. This should fix a x86_64 compile error.
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- ks0108: clear data lines after display refresh to fix problems with display contrast that occur under some conditions.
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2007-02-04: Version 0.1.4
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- added missing include of stdint.h in several files
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- added -fPIC compiler option to library Makefiles
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- graphlcd.conf: added missing "Driver=serdisp" in serdisp section (thanks to Jörn Hermann)
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- graphlcd.conf: changed default value for sleep method to gettimeofday
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- glcdgraphics library changes:
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- Added cBitmap::DrawSlope function that draws a slope of the given type
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- added class for loading and saving PBM (portable bitmap) files
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- made loading of GLCD files platform independent (hopefully)
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- added copy constructor to cBitmap class
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- removed the friend class stuff from cImage, instead added some functions to set members
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- new class cImageFile that acts as a base class for image format load/save classes like cGLCDFile or cPBMFile
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- removed const qualifier from cImage::GetBitmap
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- added added Invert method to cBitmap
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- added methods to set font parameter (height, ascent, ...) to cFont class
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- made loading of FNT files platform independent (hopefully)
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- return false in cGLCDFile::Open and ::Save when opening of file failed
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- added trim function to cut leading and trailing spaces from strings
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- added WrapText method to cFont class
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- fixed missing last line in cFont::WrapText
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- fixed WrapText when Height is zero
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- fixed font loading bug for graphlcd's FNT format
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- fixed missing addition of spaceBetween in cFont::WrapText that caused too long lines with some fonts
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- fixed loading of GLCD animations (thanks to Malte Schröder)
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- glcddrivers library changes:
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- only config.h, driver.h and drivers.h are needed for applications
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- added driver for g15daemon (thanks to Mike)
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- added driver for noritake gu126x64D-K610A4 display (thanks to Alexander Rieger)
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- gu140x32: fix seqfault if fonts.conf missed (thanks to Andreas Brachold)
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- t6963c: added support for Serial wiring using an industry version with a serial to parallel converter (thanks to Torsten Lang)
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- avrctl: adapted to changed commands PC -> AVR
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- avrctl: implemented SetBrightness method
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- avrctl: changed type of some parameters to SetColData to uint16_t
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- avrctl: allow sizes below 256x128. Buffer sent to controller is still 256x128.
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- framebuffer: fixed compiler error on 64bit systems (thanks to Malte Schröder)
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- serdisp: updated serdisplib driver (thanks to Wolfgang Astleitner)
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- added simple network driver (not complete) that sends the current display content as and hey string to connected clients
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- link against libpthread
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- fixed some default values to be consistent with comments in graphlcd.conf
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- tools changes:
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- convpic: adapted to changes related to new base class cImageFile
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- convpic: use classes from glcdgraphics lib for glcd file conversion
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- convpic: added pbm support
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- crtfont: use cFont class methods to save in FNT format
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- genfont: use cFont class methods to load freetype2 supported fonts
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- genfont: use cFont class methods to save in FNT format
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- showpic: call SetBrightness method
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- showpic: changed setting of brightness to use value from config structure
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- new tool lcdtestpattern to display a test pattern on a LCD (thanks to Alexander Rieger)
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2006-01-15: Version 0.1.3
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- Added a major.minor.micro version to the libraries starting with 1.0.0
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- Moved usage of DESTDIR from serveral Makefiles to Make.config (thanks to
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Lucian Muresan).
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- Moved Freetype2 dependency from Make.config to Makefile of libglcdgraphics
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(thanks to Tobias Grimm).
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- Creating an additional symlink for the library files to be found during
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making the tools that need them (thanks to Tobias Grimm).
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- Updated serdisplib driver (thanks to Wolfgang Astleitner).
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- KS0108 driver: Added an alternative way of setting the display control lines
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(same as in old versions). It is selectable through graphlcd configfile
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parameter "Control".
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- Using default values for width and height in case they are zero, too
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(thanks to Tobias Grimm).
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- Added cSerialPort class.
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- Added driver for my AVR controlled display.
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2005-09-17: Version 0.1.2
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- split off drivers from graphlcd plugin to GraphLCD driver library
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(libglcddrivers)
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- split off graphics and font handling from graphlcd plugin to GraphLCD
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graphics library (libglcdgraphics)
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- split off tools from graphlcd plugin to GraphLCD base package
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- almost completely rewritten graphics and font handling
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- added configuration file to hold the driver-specific options
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- changed driver interface
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- adopted the tools' code to use the new driver and graphics API
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- glcddrivers: new driver noritake800 for Noritake 800(A) series
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displays (thanks to Lucian Muresan)
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- glcdgraphics: fixed a NULL-pointer exception in cBitmap::DrawCharacter
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when skipPixels is equal to width of the character and SubBitmap
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returns NULL, which was not tested for (thanks to Malte Schröder for
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reporting this one)
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- glcdgraphics: fixed a wrong return value in cBitmap::DrawCharacter in
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case skipPixels > 0 which prevented scrolling from working right.
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- now compiles with gcc 2.95 and gcc 3.x
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- added missing #includes
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- new tool showtext: allows showing a text on the LCD, see
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README.showtext for details.
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- glcddrivers: fixed a too early port release in sed1330 driver (thanks
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to Matthias Huber)
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- glcddrivers: sed1330: added missing horizontal scrolling
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initialization. Now, there should be no displaced display any longer.
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(thanks to Wolfgang Astleitner)
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- glcddrivers: Now serdisplib is loaded dynamically using libdl. So, no
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INCLUDE_SERDISPLIB define is needed any longer (thanks to Wolfgang
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Astleitner)
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- glcddrivers: fixed gu256x64-3900 driver: Now sizes other than 256x64
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should work. (thanks to Detlef Ruge and Ralf Müller)
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- glcdgraphics: fixed a bug in cBitmap::DrawText that prevented scrolling
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from working.
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- glcdgraphics: fixed a bug in cBitmap::SubBitmap.
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- glcdgraphics: changed the interface of DrawText and DrawCharacter of
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cBitmap class.
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- glcdgraphics: extended font attributes to better support converted true
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type fonts. Also changed font file format to support this attributes.
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- glcdgraphics: the lastChange attribute of cImage now is 64 bits wide.
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- crtfont: extended it to support the new font attributes
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- crtfont: changed file format of description files. Now the font
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attributes are given by its names, p. e. lineheight:20. Look in
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README.crtfont for details.
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- new tool genfont: allows converting of true type fonts to GraphLCD
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fonts using freetype2 library. You have to uncomment HAVE_FREETYPE2 in
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Make.config to use it.
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- added new fonts verdana and verdana bold in sizes 9 to 29 converted by
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genfont.
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- glcdgraphics: Added additional type casts to std::min calls to make it
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compile on x86-64 (thanks to Stefan Bergler).
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- glcddrivers: fixed a bug in serdisp.c. When using direct IO the port
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string was truncated (thanks to Stefan Bergler).
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- glcddrivers: Added method cConfig::GetConfigIndex for getting a
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configuration by its name (thanks to Lucian Muresan).
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- Added some $(DESTDIR) all over the Makefiles (thanks to Lucian Muresan).
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- glcddrivers: sed1330: Added setting of CS line in 6800 mode (thanks to
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Wolfgang Astleitner).
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- glcdgraphics: Added FreeType2 support based on patch by Lucian Muresan.
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- You have to set HAVE_FREETYPE2 in Make.config to enable this
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- Added some helper functions to GLCD::cFont class
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- glcddrivers: ks0108: Improved timings: Made setting of display control
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lines like defined in the controller's data sheet. This fixes problems
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with some display types. Thanks to Matthias Breitbach for providing a
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LCD of that type.
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- glcddrivers: gu256x64-3900:
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- Corrected calculation of m_nTimingAdjustCmd.
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- Added a test for RefreshDisplay config value to prevent a floating
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point exception to occur when it is set to zero.
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