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WindowServer: Calculate transparent frame occlusions

If a window frame has transparency, include these areas in the
transparency rendering area so that we can render them flicker-free.
This commit is contained in:
Tom 2021-02-07 17:44:04 -07:00 committed by Andreas Kling
parent f1b5def8fd
commit 8ff34f96b6
2 changed files with 67 additions and 19 deletions

View file

@ -62,6 +62,17 @@ public:
void start_flash_animation();
float opacity() const { return m_opacity; }
bool is_opaque() const
{
if (opacity() < 1.0f)
return false;
//if (has_alpha_channel())
// return false;
return true;
}
private:
void paint_notification_frame(Gfx::Painter&);
void paint_normal_frame(Gfx::Painter&);
@ -76,6 +87,7 @@ private:
RefPtr<Core::Timer> m_flash_timer;
size_t m_flash_counter { 0 };
float m_opacity { 1 };
};
}