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Readme.txt
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/******************************************************************************/
OTK - A general purpose GUI environment based on OpenGL.
(GUI = Graphical User Interface.)
For Documentation and Usage Notes, see: http://otk.sourceforge.net/
Carl Kindman 1-17-2014 carlkindman@yahoo.com
The package contains the Otk_lib source files:
Readme.txt
otk_lib.h
otk_lib.c
letter2vector2.c
gadget_lib.h
gadget_lib.c
Demo Files:
Helloworld.c
application1.c
degrees.c
fbrowse.c
gadgets_example1.c
gadgets_example2.c
imageview.c
plot_example1.c
tabbed_panels.c
Build Scripts:
Unix/Linux: makeX11exe.sh
Windows: makeWindowsEXE.bat
MacOS: makeMacOSexe.sh
Version History:
v0.96 - Added ability to use GPU-based anti-aliasing (multi-sampling) if your
system supports it. Defaults to off, since it may cause some systems to crash.
See otk_set_multisamp(). Added missing symbols in built-in font set.
Some general code cleanups and safety improvements.
v0.95 - Added Otk_Set_Timer function. Some code minor improvements.
v0.94 - Minor code cleanups and safety improvements.
v0.93 - Minor safety & quality improvements. Added Otk_Set_SliderKnob function.
v0.92 - Completed activating mouse scroll-wheel for all platforms.
v0.91 - Fixed registered window-kill call-back parameter bug.
v0.90 - Improved handling of numeric keypad and mouse scroll wheel.
v0.89 - Added switch for showing hidden 'dot' directories and files.
Minor fixes for replacing highlighted text.
Added new symbols and improvements to vector-font set.
v0.88 - Added two new functions to gadget library for setting
partial ranges of LED and Bar meters.
v0.87 - Added "Browse for directory" mode to file-browser.
Added file-browser size hints. Fixed outer-window
background coming up black. Fixed slider on selection
lists, such as file-browser, from sometimes not scrolling
to last item in a list.
v0.86 - Fixed 'missing-cursor' problem, caused by a previous change.
Tool-tip hover-boxes now disappear after a few seconds.
v0.85 - Added ability to make movies by capturing frames.
Fixed text alignment in small pull-down menus.
v0.84 - Activated text-highlighting for copy to paste-buffer in single-line
text-form boxes.
v0.83 - Minor syntax error fix in MS-Win section.
v0.82 - Added Otk_Get_Screen_Size function. Useful for optimally setting
application's window size. Enabled registering window-kill call-back
on OtkOuterWindow, activated by forced closure by window manager.
Added protection against resizing window too small.
Added otk_set_not_native_window function, to enable including Otk
widgets within OpenGL applications that already create window.
v0.81 - Activated tab-key jumping to next text form-box.
Improved test-capture by adding time-tags.
v0.80 - Added ability to suggest alternate (or recent) directories in file-browser.
Made pull-down menus fit within screen when opened too near edge of screen.
v0.78 - Adaptively improves rendering for best quality display with good
speed on given hardware. Added ability to request better
quality or better speed, via Otk_Set_Render_Quality_Hint function.
v0.77 - Added function to right-justify formbox text.
Added makefile. Fixed syntax error in MSwin version.
v0.76 - Added function to change mouse-cursor.
Improved menu highlighting. Fixed max-image size.
v0.75 - Added function to attach icons to buttons.
Improved mouse-feedback on pull-down menus.
Improved tabbed-panel appearance.
v0.74 - Enhanced MS-Win timer. Enabled slider-slot clicking.
v0.73 - Added Otk_Snapshot function. Improved graphics for capable machines.
Added Otk_Enable_Hoverboxes and Otk_Disable_Hoverboxes functions.
Minor bug-fix for drop-down menus.
v0.72 - Fixed minor bug in highlighting of coordinated selection lists.
Improved positioning of hover-boxes near window edges.
v0.71 - Added hover-box (tool-tips) functions.
Added function to resolve which mouse button was clicked.
v0.70 - Fixed arrow-key issue in ms-win platform.
Improved sub-window separation.
Added major/minor version macros.
v0.69 - Added screen-update for Otk_RemoveObject().
Fixed small memory-leak for text labels, and scz-images.
v0.68 - Added test automated capture/stimulus support capabilities.
v0.67 - Fixed file-browser issue.
v0.66 - Added selection-list coordination function.
Improved selection-list scroll-bars.
v0.65 - Added checks in image-read-in routines for better image safety.
Added ability to make efficient user-defined objects.
v0.64 - Faster and more memory-efficient image loads.
Safer file-browser operation on MacOSx.
Added two new functions:
Otk_Set_Window_Name( char *name );
Otk_Dispose_Image( char *image_file_name );
v0.63 - Further file-browser improvement, strcasecmp patch from Snoyberg.
v0.62 - Improved file-browser gadget.
v0.61 - Added Otk_MakeCircle function.
v0.60 - Added ability to read scz compressed images. Improved safety.
To Compile: Directives in code should detect environment and do the right things.
Unix/Linux:
gcc -O helloworld.c -no-pie -D GL_SILENCE_DEPRECATION -D PLATFORM_KIND=Posix_Platform -I /opt/X11/include -lm -lGL -lGLU -L/opt/X11/lib -lX11 -lXmu -o helloworld
Microsoft with MinGW/Cygwin/MSYS compiler:
gcc -O helloworld.c -lglu32 -lopengl32 -lwinmm -lgdi32 -o helloworld
MacOS: MacOS user must ensure that they've installed XQuartz and the XCode command-line utilities: Get XQuartz here: https://www.xquartz.org/
gcc -O helloworld.c -D GL_SILENCE_DEPRECATION -D PLATFORM_KIND=Posix_Platform -I /opt/X11/include -lGL -lGLU -framework OpenGL -framework GLUT -L/opt/X11/lib -lX11 -lXMU -o helloworld
Build script for all 3 platforms are included in the repository
/********************************************************************************/