X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fcanvas%2Ffill.cc;h=32af6bd74b740ac7985fc133de94e3fe17888177;hb=e44ae422ebb5c1b18cc03cb2254e3cf3308565e0;hp=9947415cf9462f433750dac108cbe9b84bb8c91e;hpb=11619a37bff79c050e39e434bc9899b516cbe4a1;p=ardour.git diff --git a/libs/canvas/fill.cc b/libs/canvas/fill.cc index 9947415cf9..32af6bd74b 100644 --- a/libs/canvas/fill.cc +++ b/libs/canvas/fill.cc @@ -17,32 +17,42 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include "ardour/utils.h" +#include #include "pbd/compose.h" #include "pbd/convert.h" #include "canvas/fill.h" -#include "canvas/utils.h" +#include "canvas/item.h" +#include "canvas/types.h" using namespace std; using namespace ArdourCanvas; -Fill::Fill (Group* parent) - : Item (parent) +Fill::Fill (Item& self) + : _self (self) , _fill_color (0x000000ff) , _fill (true) + , _transparent (false) { - } void -Fill::set_fill_color (Color color) +Fill::set_fill_color (Gtkmm2ext::Color color) { if (_fill_color != color) { - begin_visual_change (); + _self.begin_visual_change (); _fill_color = color; - end_visual_change (); + + double r, g, b, a; + Gtkmm2ext::color_to_rgba (color, r, g, b, a); + if (a == 0.0) { + _transparent = true; + } else { + _transparent = false; + } + + _self.end_visual_change (); } } @@ -50,40 +60,59 @@ void Fill::set_fill (bool fill) { if (_fill != fill) { - begin_visual_change (); + _self.begin_visual_change (); _fill = fill; - end_visual_change (); + _self.end_visual_change (); } } void Fill::setup_fill_context (Cairo::RefPtr context) const { - if (_gradient) { - context->set_source (_gradient); + if (_pattern) { + context->set_source (_pattern); + } else { + Gtkmm2ext::set_source_rgba (context, _fill_color); + } +} + +void +Fill::setup_gradient_context (Cairo::RefPtr context, Rect const & self, Duple const & draw_origin) const +{ + Cairo::RefPtr _gradient; + + if (_vertical_gradient) { + _gradient = Cairo::LinearGradient::create (draw_origin.x, self.y0, draw_origin.x, self.y1); } else { - set_source_rgba (context, _fill_color); + _gradient = Cairo::LinearGradient::create (self.x0, draw_origin.y, self.x1, draw_origin.y); } + + for (StopList::const_iterator s = _stops.begin(); s != _stops.end(); ++s) { + double r, g, b, a; + Gtkmm2ext::color_to_rgba (s->second, r, g, b, a); + _gradient->add_color_stop_rgba (s->first, r, g, b, a); + } + + context->set_source (_gradient); +} + +void +Fill::set_pattern (Cairo::RefPtr p) +{ + _pattern = p; } void -Fill::set_gradient (StopList const & stops, double height) +Fill::set_gradient (StopList const & stops, bool vertical) { - begin_visual_change (); + _self.begin_visual_change (); if (stops.empty()) { - _gradient.clear(); + _stops.clear (); } else { - - double r, g, b, a; - - _gradient = Cairo::LinearGradient::create (0, 0, 0, height); - - for (StopList::const_iterator s = stops.begin(); s != stops.end(); ++s) { - color_to_rgba (s->second, r, g, b, a); - _gradient->add_color_stop_rgba (s->first, r, g, b, a); - } + _stops = stops; + _vertical_gradient = vertical; } - end_visual_change (); + _self.end_visual_change (); }