ladybird/Applications/PixelPaint/Layer.cpp
2020-07-23 20:48:28 +02:00

81 lines
2.5 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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(*new Layer(image, size, name));
}
Layer::Layer(Image& image, const Gfx::IntSize& size, const String& name)
: m_image(image)
, m_name(name)
{
m_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::RGBA32, size);
}
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);
}
}