350cca5446
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11232 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
//
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// "$Id$"
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//
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// Line style code for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2016 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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#ifndef FL_CFG_GFX_OPENGL_LINE_STYLE_CXX
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#define FL_CFG_GFX_OPENGL_LINE_STYLE_CXX
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/**
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\file Fl_OpenGL_Graphics_Driver_line_style.cxx
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\brief Line style drawing utility hiding different platforms.
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*/
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#include <config.h>
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#include "../../config_lib.h"
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#include "Fl_OpenGL_Graphics_Driver.H"
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#include <FL/gl.h>
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#include <FL/Fl_Gl_Window.H>
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#include <FL/Fl_RGB_Image.H>
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#include <FL/Fl.H>
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#include <FL/fl_draw.H>
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extern int fl_line_width_;
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// OpenGL implementation does not support custom patterns
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// OpenGL implementation does not support cap and join types
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void Fl_OpenGL_Graphics_Driver::line_style(int style, int width, char* dashes) {
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// save line width in global variable for X11 clipping
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// FIXME: what does this code do?
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if (width == 0) fl_line_width_ = 1;
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else fl_line_width_ = width>0 ? width : -width;
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if (width<1) width = 1;
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if (style==FL_SOLID) {
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glLineStipple(1, 0xFFFF);
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glDisable(GL_LINE_STIPPLE);
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} else {
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switch (style) {
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case FL_DASH:
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glLineStipple(width, 0x0F0F); // ....****....****
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break;
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case FL_DOT:
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glLineStipple(width, 0x5555); // .*.*.*.*.*.*.*.*
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break;
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case FL_DASHDOT:
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glLineStipple(width, 0x2727); // ..*..***..*..***
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break;
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case FL_DASHDOTDOT:
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glLineStipple(width, 0x5757); // .*.*.***.*.*.***
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break;
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}
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glEnable(GL_LINE_STIPPLE);
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}
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}
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#endif // FL_CFG_GFX_OPENGL_LINE_STYLE_CXX
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//
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// End of "$Id$".
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//
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