1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
//
// "$Id$"
//
// Line style code for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2018 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:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
#include "../../config_lib.h"
#ifdef FL_CFG_GFX_QUARTZ
#include <FL/fl_draw.H>
#include <FL/platform.H>
/**
\file quartz_line_style.cxx
\brief Line style drawing utility hiding different platforms.
*/
#include "Fl_Quartz_Graphics_Driver.H"
void Fl_Quartz_Graphics_Driver::quartz_restore_line_style() {
CGContextSetLineWidth(gc_, quartz_line_width_);
CGContextSetLineCap(gc_, quartz_line_cap_);
CGContextSetLineJoin(gc_, quartz_line_join_);
CGContextSetLineDash(gc_, 0, quartz_line_pattern, quartz_line_pattern_size);
}
void Fl_Quartz_Graphics_Driver::line_style(int style, int width, char* dashes) {
static CGLineCap Cap[4] = { kCGLineCapButt, kCGLineCapButt,
kCGLineCapRound, kCGLineCapSquare };
static CGLineJoin Join[4] = { kCGLineJoinMiter, kCGLineJoinMiter,
kCGLineJoinRound, kCGLineJoinBevel };
if (width<1) width = 1;
quartz_line_width_ = (float)width;
quartz_line_cap_ = Cap[(style>>8)&3];
// when printing kCGLineCapSquare seems better for solid lines
if ( Fl_Surface_Device::surface() != Fl_Display_Device::display_device()
&& style == FL_SOLID && dashes == NULL )
{
quartz_line_cap_ = kCGLineCapSquare;
}
quartz_line_join_ = Join[(style>>12)&3];
char *d = dashes;
static CGFloat pattern[16];
if (d && *d) {
CGFloat *pDst = pattern;
while (*d) { *pDst++ = (float)*d++; }
quartz_line_pattern = pattern;
quartz_line_pattern_size = d-dashes;
} else if (style & 0xff) {
char dash, dot, gap;
// adjust lengths to account for cap:
if (style & 0x200) {
dash = char(2*width);
dot = 1;
gap = char(2*width-1);
} else {
dash = char(3*width);
dot = gap = char(width);
}
CGFloat *pDst = pattern;
switch (style & 0xff) {
case FL_DASH: *pDst++ = dash; *pDst++ = gap; break;
case FL_DOT: *pDst++ = dot; *pDst++ = gap; break;
case FL_DASHDOT: *pDst++ = dash; *pDst++ = gap; *pDst++ = dot; *pDst++ = gap; break;
case FL_DASHDOTDOT: *pDst++ = dash; *pDst++ = gap; *pDst++ = dot; *pDst++ = gap; *pDst++ = dot; *pDst++ = gap; break;
}
quartz_line_pattern_size = pDst-pattern;
quartz_line_pattern = pattern;
} else {
quartz_line_pattern = 0;
quartz_line_pattern_size = 0;
}
quartz_restore_line_style();
}
#endif // FL_CFG_GFX_QUARTZ
//
// End of "$Id$".
//
|
