diff options
Diffstat (limited to 'dw/fltkviewbase.cc')
| -rw-r--r-- | dw/fltkviewbase.cc | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/dw/fltkviewbase.cc b/dw/fltkviewbase.cc index 3fb43cb1..373e5454 100644 --- a/dw/fltkviewbase.cc +++ b/dw/fltkviewbase.cc @@ -369,6 +369,39 @@ void FltkViewBase::drawLine (core::style::Color *color, translateCanvasXToViewX (x2), translateCanvasYToViewY (y2)); } +void FltkViewBase::drawTypedLine (core::style::Color *color, + core::style::Color::Shading shading, + core::style::LineType type, int width, + int x1, int y1, int x2, int y2) +{ + char dashes[3], w, ng, d, gap, len; + const int f = 2; + + w = (width == 1) ? 0 : width; + if (type == core::style::LINE_DOTTED) { + /* customized drawing for dotted lines */ + len = (x2 == x1) ? y2 - y1 + 1 : (y2 == y1) ? x2 - x1 + 1 : 0; + ng = len / f*width; + d = len % f*width; + gap = ng ? d/ng + (w > 3 ? 2 : 0) : 0; + dashes[0] = 1; dashes[1] = f*width-gap; dashes[2] = 0; + line_style(::fltk::DASH + ::fltk::CAP_ROUND, w, dashes); + + /* These formulas also work, but ain't pretty ;) + * line_style(::fltk::DOT + ::fltk::CAP_ROUND, w); + * dashes[0] = 1; dashes[1] = 3*width-2; dashes[2] = 0; + */ + } else if (type == core::style::LINE_DASHED) { + line_style(::fltk::DASH + ::fltk::CAP_ROUND, w); + } + + setcolor(((FltkColor*)color)->colors[shading]); + drawLine (color, shading, x1, y1, x2, y2); + + if (type != core::style::LINE_NORMAL) + line_style(::fltk::SOLID); +} + void FltkViewBase::drawRectangle (core::style::Color *color, core::style::Color::Shading shading, bool filled, |