mirror of
https://github.com/RGBCube/serenity
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44 lines
906 B
C++
44 lines
906 B
C++
/*
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* Copyright (c) 2022, Sahan Fernando <sahan.h.fernando@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGUI/Label.h>
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#include <LibGUI/Painter.h>
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#include "Widget.h"
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ErrorOr<NonnullRefPtr<Demo>> Demo::create()
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{
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auto demo = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) Demo));
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demo->m_bitmap = TRY(Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRx8888, { DRAWTARGET_WIDTH, DRAWTARGET_HEIGHT }));
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demo->m_bitmap->fill(Gfx::Color::Black);
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return demo;
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}
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Demo::Demo()
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{
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m_cycles = 0;
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stop_timer();
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start_timer(16);
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}
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Demo::~Demo() { }
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void Demo::paint_event(GUI::PaintEvent& event)
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{
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GUI::Painter painter(*this);
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painter.add_clip_rect(event.rect());
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painter.draw_scaled_bitmap(rect(), *m_bitmap, m_bitmap->rect());
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}
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void Demo::timer_event(Core::TimerEvent&)
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{
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m_cycles += 1;
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update_frame(m_bitmap, m_cycles);
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update();
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}
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