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#include "BucketTool.h"
#include "PaintableWidget.h"
#include <AK/Queue.h>
#include <AK/SinglyLinkedList.h>
#include <LibGUI/GPainter.h>
#include <LibDraw/GraphicsBitmap.h>
#include <stdio.h>
BucketTool::BucketTool()
{
}
BucketTool::~BucketTool()
{
}
static void flood_fill(GraphicsBitmap& bitmap, const Point& start_position, Color target_color, Color fill_color)
{
ASSERT(bitmap.bpp() == 32);
if (target_color == fill_color)
return;
Queue<Point> queue;
queue.enqueue(Point(start_position));
while (!queue.is_empty()) {
auto position = queue.dequeue();
if (bitmap.get_pixel<GraphicsBitmap::Format::RGB32>(position.x(), position.y()) != target_color)
continue;
bitmap.set_pixel<GraphicsBitmap::Format::RGB32>(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(GMouseEvent& event)
{
if (!m_widget->rect().contains(event.position()))
return;
GPainter painter(m_widget->bitmap());
auto target_color = m_widget->bitmap().get_pixel(event.x(), event.y());
flood_fill(m_widget->bitmap(), event.position(), target_color, m_widget->color_for(event));
m_widget->update();
}
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