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serenity/Userland/Libraries/LibWeb/Painting/CanvasPaintable.cpp
Andreas Kling ed84fbce47 LibWeb: Make Paintable ref-counted
This will allow us to use a protective NonnullRefPtr to keep paintables
alive while running arbitrary JavaScript in response to events.
2022-03-11 00:21:49 +01:00

43 lines
1.3 KiB
C++

/*
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Painting/CanvasPaintable.h>
namespace Web::Painting {
NonnullRefPtr<CanvasPaintable> CanvasPaintable::create(Layout::CanvasBox const& layout_box)
{
return adopt_ref(*new CanvasPaintable(layout_box));
}
CanvasPaintable::CanvasPaintable(Layout::CanvasBox const& layout_box)
: PaintableBox(layout_box)
{
}
Layout::CanvasBox const& CanvasPaintable::layout_box() const
{
return static_cast<Layout::CanvasBox const&>(layout_node());
}
void CanvasPaintable::paint(PaintContext& context, PaintPhase phase) const
{
if (!layout_box().is_visible())
return;
PaintableBox::paint(context, phase);
if (phase == PaintPhase::Foreground) {
// FIXME: This should be done at a different level. Also rect() does not include padding etc!
if (!context.viewport_rect().intersects(enclosing_int_rect(absolute_rect())))
return;
if (layout_box().dom_node().bitmap())
context.painter().draw_scaled_bitmap(rounded_int_rect(absolute_rect()), *layout_box().dom_node().bitmap(), layout_box().dom_node().bitmap()->rect(), 1.0f, to_gfx_scaling_mode(computed_values().image_rendering()));
}
}
}