FLTK 1.4.4

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FLTK Programming Manual

| FLTK 1.4.4 Programming Manual By F. Costantini, M. Melcher, A. Schlosser, B. Spitzak and M. Sweet. Copyright © 1998 - 2025 by Bill Spitzak and others.

This software and manual are provided under the terms of the GNU Library General Public License. Permission is granted to reproduce this manual or any portion for any purpose, provided this copyright and permission notice are preserved.

Preface Introduction to FLTK FLTK Basics Common Widgets and Attributes Colors Box Types Labels and Label Types Drawing Images Coordinates and Layout Widgets How Does Resizing Work? Designing a Simple Text Editor Drawing Things in FLTK When Can You Draw Things in FLTK? What Units Do FLTK Functions Use? Drawing Functions Drawing Images Offscreen Drawing Handling Events Fl::event_*() methods Event Propagation | Adding and Extending Widgets Using OpenGL FLTK Runtime Options Advanced FLTK Unicode and UTF-8 Support Appendices: Constants and Enumerations GLUT Compatibility class Fl_Glut_Window Forms Compatibility Operating System Issues Migrating Code from FLTK 1.3 to 1.4 Software License Example Source Code FAQ (Frequently Asked Questions)

Generated on Nov 25, 2025 from Git revision unknown by Doxygen version 1.15.0

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