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

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

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