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Add flag for corners, where top+left shadows are both required.

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This commit is contained in:
Ben Loftis 2018-02-19 08:01:27 -06:00
parent 9ac15801d3
commit 7fd1fc1dcf
2 changed files with 28 additions and 8 deletions
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3
libs/widgets/ardour_spacer.cc
View file

@ -26,8 +26,9 @@ ArdourVSpacer::ArdourVSpacer (float r)
{ {
} }
ArdourDropShadow::ArdourDropShadow (float a) ArdourDropShadow::ArdourDropShadow (ShadowMode m, float a)
: CairoWidget () : CairoWidget ()
, alpha (a) , alpha (a)
, mode (m)
{ {
} }

33
libs/widgets/widgets/ardour_spacer.h
View file

@ -54,24 +54,43 @@ protected:
class LIBWIDGETS_API ArdourDropShadow : public CairoWidget class LIBWIDGETS_API ArdourDropShadow : public CairoWidget
{ {
public: public:
ArdourDropShadow (float a = 0.75f); enum ShadowMode {
DropShadowLongSideOnly,
DropShadowBoth,
};
ArdourDropShadow (ShadowMode m = DropShadowLongSideOnly, float a = 0.55f);
void set_mode(ShadowMode m) {mode = m;}
protected: protected:
void render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_t*) { void render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_t*) {
float width = get_width(); float width = get_width();
float height = get_height(); float height = get_height();
Cairo::RefPtr<Cairo::LinearGradient> _gradient = Cairo::LinearGradient::create (0, 0, 0, height); Cairo::RefPtr<Cairo::LinearGradient> _gradient;
_gradient->add_color_stop_rgba (0, 0, 0, 0, alpha);
_gradient->add_color_stop_rgba (1, 0, 0, 0, 0);
ctx->set_source (_gradient); if ( (width>height) || mode == DropShadowBoth ) {
_gradient = Cairo::LinearGradient::create (0, 0, 0, 4);
_gradient->add_color_stop_rgba (0, 0, 0, 0, alpha);
_gradient->add_color_stop_rgba (1, 0, 0, 0, 0);
ctx->set_source (_gradient);
ctx->rectangle (0, 0, width, 4);
ctx->fill ();
}
ctx->rectangle (0, 0, width, height); if ( (height>width) || mode == DropShadowBoth ) {
ctx->fill (); _gradient = Cairo::LinearGradient::create (0, 0, 4, 0);
_gradient->add_color_stop_rgba (0, 0, 0, 0, alpha);
_gradient->add_color_stop_rgba (1, 0, 0, 0, 0);
ctx->set_source (_gradient);
ctx->rectangle (0, 0, 4, height);
ctx->fill ();
}
} }
float alpha; float alpha;
ShadowMode mode;
}; };
} /* end namespace */ } /* end namespace */