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/*
* Copyright (c) 2020, Nico Weber <thakis@chromium.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 <LibGUI/Application.h>
#include <LibGUI/Icon.h>
#include <LibGUI/Painter.h>
#include <LibGUI/Widget.h>
#include <LibGUI/Window.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Font.h>
#include <LibGfx/FontDatabase.h>
#include <LibGfx/Painter.h>
#include <LibGfx/Palette.h>
#include <LibGfx/Path.h>
#include <LibGfx/SystemTheme.h>
#include <LibGfx/WindowTheme.h>
const int WIDTH = 300;
const int HEIGHT = 200;
class Canvas final : public GUI::Widget {
C_OBJECT(Canvas)
public:
virtual ~Canvas() override;
private:
Canvas();
RefPtr<Gfx::Bitmap> m_bitmap_1x;
RefPtr<Gfx::Bitmap> m_bitmap_2x;
void draw(Gfx::Painter& painter);
virtual void paint_event(GUI::PaintEvent&) override;
};
Canvas::Canvas()
{
m_bitmap_1x = Gfx::Bitmap::create(Gfx::BitmapFormat::RGB32, { WIDTH, HEIGHT });
m_bitmap_2x = Gfx::Bitmap::create(Gfx::BitmapFormat::RGB32, { WIDTH * 2, HEIGHT * 2 });
Gfx::Painter painter_1x(*m_bitmap_1x);
draw(painter_1x);
Gfx::Painter painter_2x(*m_bitmap_2x);
painter_2x.scale(2);
draw(painter_2x);
update();
}
Canvas::~Canvas()
{
}
void Canvas::paint_event(GUI::PaintEvent& event)
{
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.fill_rect(event.rect(), Color::Magenta);
painter.blit({ 0, 0 }, *m_bitmap_1x, m_bitmap_1x->rect());
painter.blit({ 0, HEIGHT }, *m_bitmap_2x, m_bitmap_2x->rect());
}
void Canvas::draw(Gfx::Painter& painter)
{
auto active_window_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/window.png");
Gfx::WindowTheme::current().paint_normal_frame(painter, Gfx::WindowTheme::WindowState::Active, { 4, 18, WIDTH - 8, HEIGHT - 29 }, "Well hello friends", *active_window_icon, palette(), { WIDTH - 20, 6, 16, 16 });
painter.draw_rect({ 20, 34, WIDTH - 40, HEIGHT - 45 }, palette().color(Gfx::ColorRole::Selection), true);
painter.draw_rect({ 24, 38, WIDTH - 48, HEIGHT - 53 }, palette().color(Gfx::ColorRole::Selection));
}
int main(int argc, char** argv)
{
auto app = GUI::Application::construct(argc, argv);
if (pledge("stdio sendfd rpath shared_buffer", nullptr) < 0) {
perror("pledge");
return 1;
}
if (unveil("/res", "r") < 0) {
perror("unveil");
return 1;
}
if (unveil(nullptr, nullptr) < 0) {
perror("unveil");
return 1;
}
auto window = GUI::Window::construct();
window->set_title("LibGfx Scale Demo");
window->set_resizable(false);
window->resize(WIDTH * 2, HEIGHT * 3);
auto app_icon = GUI::Icon::default_icon("app-libgfx-demo");
window->set_icon(app_icon.bitmap_for_size(16));
window->set_main_widget<Canvas>();
window->show();
return app->exec();
}
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