ladybird/Userland/Applications/PixelPaint/Layer.cpp
Andreas Kling b91c49364d AK: Rename adopt() to adopt_ref()
This makes it more symmetrical with adopt_own() (which is used to
create a NonnullOwnPtr from the result of a naked new.)
2021-04-23 16:46:57 +02:00

95 lines
2.3 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "Layer.h"
#include "Image.h"
#include <LibGfx/Bitmap.h>
namespace PixelPaint {
RefPtr<Layer> Layer::create_with_size(Image& image, const Gfx::IntSize& size, const String& name)
{
if (size.is_empty())
return nullptr;
if (size.width() > 16384 || size.height() > 16384)
return nullptr;
return adopt_ref(*new Layer(image, size, name));
}
RefPtr<Layer> Layer::create_with_bitmap(Image& image, const Gfx::Bitmap& bitmap, const String& name)
{
if (bitmap.size().is_empty())
return nullptr;
if (bitmap.size().width() > 16384 || bitmap.size().height() > 16384)
return nullptr;
return adopt_ref(*new Layer(image, bitmap, name));
}
RefPtr<Layer> Layer::create_snapshot(Image& image, const Layer& layer)
{
auto snapshot = create_with_bitmap(image, *layer.bitmap().clone(), layer.name());
/*
We set these properties directly because calling the setters might
notify the image of an update on the newly created layer, but this
layer has not yet been added to the image.
*/
snapshot->m_opacity_percent = layer.opacity_percent();
snapshot->m_visible = layer.is_visible();
snapshot->set_selected(layer.is_selected());
snapshot->set_location(layer.location());
return snapshot;
}
Layer::Layer(Image& image, const Gfx::IntSize& size, const String& name)
: m_image(image)
, m_name(name)
{
m_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::BGRA8888, size);
}
Layer::Layer(Image& image, const Gfx::Bitmap& bitmap, const String& name)
: m_image(image)
, m_name(name)
, m_bitmap(bitmap)
{
}
void Layer::did_modify_bitmap(Image& image)
{
image.layer_did_modify_bitmap({}, *this);
}
void Layer::set_visible(bool visible)
{
if (m_visible == visible)
return;
m_visible = visible;
m_image.layer_did_modify_properties({}, *this);
}
void Layer::set_opacity_percent(int opacity_percent)
{
if (m_opacity_percent == opacity_percent)
return;
m_opacity_percent = opacity_percent;
m_image.layer_did_modify_properties({}, *this);
}
void Layer::set_name(const String& name)
{
if (m_name == name)
return;
m_name = name;
m_image.layer_did_modify_properties({}, *this);
}
}