95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
/*
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* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "Layer.h"
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#include "Image.h"
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#include <LibGfx/Bitmap.h>
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namespace PixelPaint {
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RefPtr<Layer> Layer::try_create_with_size(Image& image, Gfx::IntSize const& size, String name)
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{
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if (size.is_empty())
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return nullptr;
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if (size.width() > 16384 || size.height() > 16384)
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return nullptr;
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return adopt_ref(*new Layer(image, size, move(name)));
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}
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RefPtr<Layer> Layer::try_create_with_bitmap(Image& image, Gfx::Bitmap const& bitmap, String name)
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{
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if (bitmap.size().is_empty())
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return nullptr;
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if (bitmap.size().width() > 16384 || bitmap.size().height() > 16384)
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return nullptr;
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return adopt_ref(*new Layer(image, bitmap, move(name)));
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}
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RefPtr<Layer> Layer::try_create_snapshot(Image& image, Layer const& layer)
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{
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auto snapshot = try_create_with_bitmap(image, *layer.bitmap().clone(), layer.name());
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/*
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We set these properties directly because calling the setters might
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notify the image of an update on the newly created layer, but this
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layer has not yet been added to the image.
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*/
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snapshot->m_opacity_percent = layer.opacity_percent();
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snapshot->m_visible = layer.is_visible();
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snapshot->set_selected(layer.is_selected());
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snapshot->set_location(layer.location());
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return snapshot;
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}
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Layer::Layer(Image& image, Gfx::IntSize const& size, String name)
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: m_image(image)
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, m_name(move(name))
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{
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m_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::BGRA8888, size);
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}
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Layer::Layer(Image& image, Gfx::Bitmap const& bitmap, String name)
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: m_image(image)
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, m_name(move(name))
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, m_bitmap(bitmap)
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{
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}
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void Layer::did_modify_bitmap(Image& image)
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{
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image.layer_did_modify_bitmap({}, *this);
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}
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void Layer::set_visible(bool visible)
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{
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if (m_visible == visible)
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return;
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m_visible = visible;
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m_image.layer_did_modify_properties({}, *this);
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}
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void Layer::set_opacity_percent(int opacity_percent)
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{
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if (m_opacity_percent == opacity_percent)
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return;
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m_opacity_percent = opacity_percent;
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m_image.layer_did_modify_properties({}, *this);
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}
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void Layer::set_name(String name)
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{
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if (m_name == name)
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return;
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m_name = move(name);
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m_image.layer_did_modify_properties({}, *this);
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}
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}
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