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//
// Line style code for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2017 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
/**
\file Fl_OpenGL_Graphics_Driver_line_style.cxx
\brief Line style drawing utility hiding different platforms.
*/
#include <config.h>
#include "Fl_OpenGL_Graphics_Driver.H"
#include <FL/gl.h>
#include <FL/Fl_Gl_Window.H>
#include <FL/Fl_RGB_Image.H>
#include <FL/Fl.H>
#include <FL/fl_draw.H>
// OpenGL implementation does not support custom patterns
// OpenGL implementation does not support cap and join types
void Fl_OpenGL_Graphics_Driver::line_style(int style, int width, char* dashes) {
if (width<1) width = 1;
if (style==FL_SOLID) {
glLineStipple(1, 0xFFFF);
glDisable(GL_LINE_STIPPLE);
} else {
switch (style) {
case FL_DASH:
glLineStipple(width, 0x0F0F); // ....****....****
break;
case FL_DOT:
glLineStipple(width, 0x5555); // .*.*.*.*.*.*.*.*
break;
case FL_DASHDOT:
glLineStipple(width, 0x2727); // ..*..***..*..***
break;
case FL_DASHDOTDOT:
glLineStipple(width, 0x5757); // .*.*.***.*.*.***
break;
}
glEnable(GL_LINE_STIPPLE);
}
}
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