7f15c3010c
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12273 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
73 lines
2.2 KiB
C++
73 lines
2.2 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_GDI_LINE_STYLE_CXX
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#define FL_CFG_GFX_GDI_LINE_STYLE_CXX
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#include "../../config_lib.h"
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#include <FL/Fl.H>
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#include <FL/fl_draw.H>
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#include <FL/x.H>
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#include <FL/Fl_Printer.H>
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#include "../../flstring.h"
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#include <stdio.h>
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/**
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\file Fl_GDI_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 "Fl_GDI_Graphics_Driver.H"
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void Fl_GDI_Graphics_Driver::line_style_unscaled(int style, float width, char* dashes) {
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// According to Bill, the "default" cap and join should be the
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// "fastest" mode supported for the platform. I don't know why
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// they should be different (same graphics cards, etc., right?) MRS
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static DWORD Cap[4]= {PS_ENDCAP_FLAT, PS_ENDCAP_FLAT, PS_ENDCAP_ROUND, PS_ENDCAP_SQUARE};
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static DWORD Join[4]={PS_JOIN_ROUND, PS_JOIN_MITER, PS_JOIN_ROUND, PS_JOIN_BEVEL};
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int s1 = PS_GEOMETRIC | Cap[(style>>8)&3] | Join[(style>>12)&3];
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DWORD a[16]; int n = 0;
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if (dashes && dashes[0]) {
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s1 |= PS_USERSTYLE;
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for (n = 0; n < 16 && *dashes; n++) a[n] = *dashes++;
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} else {
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s1 |= style & 0xff; // allow them to pass any low 8 bits for style
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}
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if ((style || n) && !width) width = scale_; // fix cards that do nothing for 0?
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if (!fl_current_xmap) color(FL_BLACK);
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LOGBRUSH penbrush = {BS_SOLID,fl_RGB(),0}; // can this be fl_brush()?
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int tw = width < 1? 1: width;
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HPEN newpen = ExtCreatePen(s1, tw, &penbrush, n, n ? a : 0);
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if (!newpen) {
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Fl::error("fl_line_style(): Could not create GDI pen object.");
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return;
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}
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HPEN oldpen = (HPEN)SelectObject(gc_, newpen);
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DeleteObject(oldpen);
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DeleteObject(fl_current_xmap->pen);
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fl_current_xmap->pen = newpen;
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}
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#endif // FL_CFG_GFX_GDI_LINE_STYLE_CXX
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//
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// End of "$Id$".
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//
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