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#include "SprayTool.h"
#include "PaintableWidget.h"
#include <AK/Queue.h>
#include <AK/SinglyLinkedList.h>
#include <LibGUI/GPainter.h>
#include <SharedGraphics/GraphicsBitmap.h>
#include <stdio.h>
SprayTool::SprayTool()
{
m_timer.on_timeout = [=]() {
paint_it();
};
m_timer.set_interval(200);
}
SprayTool::~SprayTool()
{
}
static double nrand()
{
return double(rand()) / double(RAND_MAX);
}
void SprayTool::paint_it()
{
GPainter painter(m_widget->bitmap());
auto& bitmap = m_widget->bitmap();
ASSERT(bitmap.format() == GraphicsBitmap::Format::RGB32);
m_widget->update();
const double radius = 15;
for (int i = 0; i < 100 + (nrand() * 800); i++) {
const int minX = m_last_pos.x() - radius;
const int minY = m_last_pos.y() - radius;
const int xpos = minX + (radius * 2 * nrand());
const int ypos = minY + (radius * 2 * nrand());
if (xpos < 0 || xpos >= bitmap.width())
continue;
if (ypos < 0 || ypos >= bitmap.height())
continue;
bitmap.set_pixel<GraphicsBitmap::Format::RGB32>(xpos, ypos, m_color);
}
}
void SprayTool::on_mousedown(GMouseEvent& event)
{
if (!m_widget->rect().contains(event.position()))
return;
m_color = m_widget->color_for(event);
m_last_pos = event.position();
m_timer.start();
paint_it();
}
void SprayTool::on_mousemove(GMouseEvent& event)
{
m_last_pos = event.position();
if (m_timer.is_active()) {
paint_it();
m_timer.restart(m_timer.interval());
}
}
void SprayTool::on_mouseup(GMouseEvent&)
{
m_timer.stop();
}
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