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84 lines
2.9 KiB
C++
84 lines
2.9 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "BucketTool.h"
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#include "PaintableWidget.h"
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#include <AK/Queue.h>
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#include <AK/SinglyLinkedList.h>
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#include <LibGUI/Painter.h>
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#include <LibGfx/Bitmap.h>
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#include <stdio.h>
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BucketTool::BucketTool()
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{
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}
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BucketTool::~BucketTool()
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{
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}
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static void flood_fill(Gfx::Bitmap& bitmap, const Gfx::Point& start_position, Color target_color, Color fill_color)
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{
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ASSERT(bitmap.bpp() == 32);
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if (target_color == fill_color)
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return;
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Queue<Gfx::Point> queue;
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queue.enqueue(start_position);
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while (!queue.is_empty()) {
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auto position = queue.dequeue();
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if (bitmap.get_pixel<Gfx::BitmapFormat::RGB32>(position.x(), position.y()) != target_color)
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continue;
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bitmap.set_pixel<Gfx::BitmapFormat::RGB32>(position.x(), position.y(), fill_color);
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if (position.x() != 0)
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queue.enqueue(position.translated(-1, 0));
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if (position.x() != bitmap.width() - 1)
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queue.enqueue(position.translated(1, 0));
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if (position.y() != 0)
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queue.enqueue(position.translated(0, -1));
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if (position.y() != bitmap.height() - 1)
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queue.enqueue(position.translated(0, 1));
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}
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}
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void BucketTool::on_mousedown(GUI::MouseEvent& event)
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{
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if (!m_widget->rect().contains(event.position()))
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return;
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GUI::Painter painter(m_widget->bitmap());
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auto target_color = m_widget->bitmap().get_pixel(event.x(), event.y());
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flood_fill(m_widget->bitmap(), event.position(), target_color, m_widget->color_for(event));
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m_widget->update();
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}
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