diff options
Diffstat (limited to 'gtk/PlatGTK.cxx')
| -rwxr-xr-x | gtk/PlatGTK.cxx | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gtk/PlatGTK.cxx b/gtk/PlatGTK.cxx index aa0d69477..5296691d1 100755 --- a/gtk/PlatGTK.cxx +++ b/gtk/PlatGTK.cxx @@ -163,6 +163,8 @@ public: int DeviceHeightFont(int points) override; void MoveTo(int x_, int y_) override; void LineTo(int x_, int y_) override; + void LineDraw(Point start, Point end, Stroke stroke) override; + void PolyLine(const Point *pts, size_t npts, Stroke stroke) override; void Polygon(Point *pts, size_t npts, ColourDesired fore, ColourDesired back) override; void Polygon(const Point *pts, size_t npts, FillStroke fillStroke) override; void RectangleDraw(PRectangle rc, ColourDesired fore, ColourDesired back) override; @@ -488,6 +490,31 @@ void SurfaceImpl::LineTo(int x_, int y_) { y = y_; } +void SurfaceImpl::LineDraw(Point start, Point end, Stroke stroke) { + PLATFORM_ASSERT(context); + if (!context) + return; + PenColourAlpha(stroke.colour); + cairo_set_line_width(context, stroke.width); + cairo_move_to(context, start.x, start.y); + cairo_line_to(context, end.x, end.y); + cairo_stroke(context); +} + +void SurfaceImpl::PolyLine(const Point *pts, size_t npts, Stroke stroke) { + // TODO: set line joins and caps + PLATFORM_ASSERT(context && npts > 1); + if (!context) + return; + PenColourAlpha(stroke.colour); + cairo_set_line_width(context, stroke.width); + cairo_move_to(context, pts[0].x, pts[0].y); + for (size_t i = 1; i < npts; i++) { + cairo_line_to(context, pts[i].x, pts[i].y); + } + cairo_stroke(context); +} + void SurfaceImpl::Polygon(Point *pts, size_t npts, ColourDesired fore, ColourDesired back) { PLATFORM_ASSERT(context); |