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/*
* Copyright (c) 2018-2020, 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 "BucketTool.h"
#include "ImageEditor.h"
#include "Layer.h"
#include "PaintableWidget.h"
#include <AK/Queue.h>
#include <AK/SinglyLinkedList.h>
#include <LibGUI/Painter.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Rect.h>
namespace PaintBrush {
BucketTool::BucketTool()
{
}
BucketTool::~BucketTool()
{
}
static void flood_fill(Gfx::Bitmap& bitmap, const Gfx::Point& start_position, Color target_color, Color fill_color)
{
ASSERT(bitmap.bpp() == 32);
if (target_color == fill_color)
return;
if (!bitmap.rect().contains(start_position))
return;
Queue<Gfx::Point> queue;
queue.enqueue(start_position);
while (!queue.is_empty()) {
auto position = queue.dequeue();
if (bitmap.get_pixel<Gfx::BitmapFormat::RGBA32>(position.x(), position.y()) != target_color)
continue;
bitmap.set_pixel<Gfx::BitmapFormat::RGBA32>(position.x(), position.y(), fill_color);
if (position.x() != 0)
queue.enqueue(position.translated(-1, 0));
if (position.x() != bitmap.width() - 1)
queue.enqueue(position.translated(1, 0));
if (position.y() != 0)
queue.enqueue(position.translated(0, -1));
if (position.y() != bitmap.height() - 1)
queue.enqueue(position.translated(0, 1));
}
}
void BucketTool::on_mousedown(Layer& layer, GUI::MouseEvent& event)
{
if (!layer.rect().contains(event.position()))
return;
GUI::Painter painter(layer.bitmap());
auto target_color = layer.bitmap().get_pixel(event.x(), event.y());
flood_fill(layer.bitmap(), event.position(), target_color, PaintableWidget::the().color_for(event));
m_editor->update();
}
}
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