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serenity/Userland/Demos/LibGfxDemo/main.cpp
Andreas Kling e0f32626bc LibGfx: Rename 32-bit BitmapFormats to BGRA8888 and BGRx888x
The previous names (RGBA32 and RGB32) were misleading since that's not
the actual byte order in memory. The new names reflect exactly how the
color values get laid out in bitmap data.
2021-03-16 11:50:03 +01:00

230 lines
11 KiB
C++

/*
* Copyright (c) 2020, Linus Groh <mail@linusgroh.de>
* 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/FontDatabase.h>
#include <LibGfx/Painter.h>
#include <LibGfx/Path.h>
#include <unistd.h>
const int WIDTH = 780;
const int HEIGHT = 600;
class Canvas final : public GUI::Widget {
C_OBJECT(Canvas)
public:
virtual ~Canvas() override;
private:
Canvas();
RefPtr<Gfx::Bitmap> m_bitmap;
void draw();
virtual void paint_event(GUI::PaintEvent&) override;
};
Canvas::Canvas()
{
m_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::BGRx8888, { WIDTH, HEIGHT });
draw();
}
Canvas::~Canvas()
{
}
void Canvas::paint_event(GUI::PaintEvent& event)
{
GUI::Painter painter(*this);
painter.draw_scaled_bitmap(event.rect(), *m_bitmap, m_bitmap->rect());
}
void Canvas::draw()
{
GUI::Painter painter(*m_bitmap);
painter.fill_rect({ 20, 20, 100, 100 }, Color::Magenta);
painter.draw_rect({ 20, 140, 100, 100 }, Color::Yellow);
painter.fill_rect_with_gradient(Gfx::Orientation::Horizontal, { 140, 20, 100, 100 }, Color::Yellow, Color::DarkGreen);
painter.fill_rect_with_gradient(Gfx::Orientation::Vertical, { 140, 140, 100, 100 }, Color::Red, Color::Blue);
painter.fill_rect_with_dither_pattern({ 260, 20, 100, 100 }, Color::MidGray, Color::Black);
painter.fill_rect_with_checkerboard({ 260, 140, 100, 100 }, { 10, 10 }, Color::LightGray, Color::White);
painter.draw_line({ 430, 35 }, { 465, 70 }, Color::Green);
painter.draw_line({ 465, 70 }, { 430, 105 }, Color::Green);
painter.draw_line({ 430, 105 }, { 395, 70 }, Color::Green);
painter.draw_line({ 395, 70 }, { 430, 35 }, Color::Green);
painter.draw_rect({ 395, 35, 70, 70 }, Color::Blue);
painter.draw_ellipse_intersecting({ 395, 35, 70, 70 }, Color::Red);
painter.draw_rect({ 380, 20, 100, 100 }, Color::Yellow);
painter.fill_rect({ 380, 140, 100, 100 }, Color::Blue);
painter.draw_triangle({ 430, 140 }, { 380, 140 }, { 380, 240 }, Color::Green);
painter.draw_triangle({ 430, 240 }, { 480, 140 }, { 480, 240 }, Color::Red);
painter.draw_rect({ 380, 140, 100, 100 }, Color::Yellow);
painter.draw_line({ 500, 20 }, { 750, 20 }, Color::Green, 1, Gfx::Painter::LineStyle::Solid);
painter.draw_line({ 500, 30 }, { 750, 30 }, Color::Red, 5, Gfx::Painter::LineStyle::Solid);
painter.draw_line({ 500, 45 }, { 750, 45 }, Color::Blue, 10, Gfx::Painter::LineStyle::Solid);
painter.draw_line({ 500, 60 }, { 750, 60 }, Color::Green, 1, Gfx::Painter::LineStyle::Dotted);
painter.draw_line({ 500, 70 }, { 750, 70 }, Color::Red, 5, Gfx::Painter::LineStyle::Dotted);
painter.draw_line({ 500, 85 }, { 750, 85 }, Color::Blue, 10, Gfx::Painter::LineStyle::Dotted);
painter.draw_line({ 500, 100 }, { 750, 100 }, Color::Green, 1, Gfx::Painter::LineStyle::Dashed);
painter.draw_line({ 500, 110 }, { 750, 110 }, Color::Red, 5, Gfx::Painter::LineStyle::Dashed);
painter.draw_line({ 500, 125 }, { 750, 125 }, Color::Blue, 10, Gfx::Painter::LineStyle::Dashed);
painter.draw_line({ 500, 140 }, { 500, 240 }, Color::Green, 1, Gfx::Painter::LineStyle::Solid);
painter.draw_line({ 510, 140 }, { 510, 240 }, Color::Red, 5, Gfx::Painter::LineStyle::Solid);
painter.draw_line({ 525, 140 }, { 525, 240 }, Color::Blue, 10, Gfx::Painter::LineStyle::Solid);
painter.draw_line({ 540, 140 }, { 540, 240 }, Color::Green, 1, Gfx::Painter::LineStyle::Dotted);
painter.draw_line({ 550, 140 }, { 550, 240 }, Color::Red, 5, Gfx::Painter::LineStyle::Dotted);
painter.draw_line({ 565, 140 }, { 565, 240 }, Color::Blue, 10, Gfx::Painter::LineStyle::Dotted);
painter.draw_line({ 580, 140 }, { 580, 240 }, Color::Green, 1, Gfx::Painter::LineStyle::Dashed);
painter.draw_line({ 590, 140 }, { 590, 240 }, Color::Red, 5, Gfx::Painter::LineStyle::Dashed);
painter.draw_line({ 605, 140 }, { 605, 240 }, Color::Blue, 10, Gfx::Painter::LineStyle::Dashed);
painter.draw_line({ 640, 190 }, { 740, 240 }, Color::Green, 1, Gfx::Painter::LineStyle::Solid);
painter.draw_line({ 640, 140 }, { 740, 240 }, Color::Red, 5, Gfx::Painter::LineStyle::Solid);
painter.draw_line({ 690, 140 }, { 740, 240 }, Color::Blue, 10, Gfx::Painter::LineStyle::Solid);
painter.draw_line({ 740, 190 }, { 640, 240 }, Color::Green, 1, Gfx::Painter::LineStyle::Solid);
painter.draw_line({ 740, 140 }, { 640, 240 }, Color::Red, 5, Gfx::Painter::LineStyle::Solid);
painter.draw_line({ 690, 140 }, { 640, 240 }, Color::Blue, 10, Gfx::Painter::LineStyle::Solid);
auto bg = Gfx::Bitmap::load_from_file("/res/html/misc/90s-bg.png");
painter.draw_tiled_bitmap({ 20, 260, 480, 320 }, *bg);
painter.draw_line({ 40, 480 }, { 20, 260 }, Color::Red);
painter.draw_line({ 40, 480 }, { 120, 300 }, Color::Red);
painter.draw_quadratic_bezier_curve({ 40, 480 }, { 20, 260 }, { 120, 300 }, Color::Blue);
painter.draw_line({ 240, 280 }, { 80, 420 }, Color::Red, 3);
painter.draw_line({ 240, 280 }, { 260, 360 }, Color::Red, 3);
painter.draw_quadratic_bezier_curve({ 240, 280 }, { 80, 420 }, { 260, 360 }, Color::Blue, 3);
auto path = Gfx::Path();
path.move_to({ 60, 500 });
path.line_to({ 90, 540 });
path.quadratic_bezier_curve_to({ 320, 500 }, { 220, 400 });
path.line_to({ 300, 440 });
path.line_to({ 90, 460 });
path.quadratic_bezier_curve_to({ 260, 500 }, { 200, 540 });
path.close();
painter.fill_path(path, Color::Yellow, Gfx::Painter::WindingRule::EvenOdd);
auto buggie = Gfx::Bitmap::load_from_file("/res/graphics/buggie.png");
painter.blit({ 280, 280 }, *buggie, buggie->rect(), 0.5);
painter.draw_scaled_bitmap({ 360, 280, buggie->rect().width() * 2, buggie->rect().height() * 2 }, *buggie, buggie->rect());
painter.draw_rect({ 20, 260, 480, 320 }, Color::DarkGray);
painter.draw_rect({ 520, 260, 240, 80 }, Color::DarkGray);
painter.draw_text({ 520, 260, 240, 80 }, "CenterLeft", Gfx::TextAlignment::CenterLeft, Color::White);
painter.draw_text({ 520, 260, 240, 80 }, "Center", Gfx::TextAlignment::Center, Color::White);
painter.draw_text({ 520, 260, 240, 80 }, "CenterRight", Gfx::TextAlignment::CenterRight, Color::White);
painter.draw_text({ 520, 260, 240, 80 }, "TopLeft", Gfx::TextAlignment::TopLeft, Color::White);
painter.draw_text({ 520, 260, 240, 80 }, "TopRight", Gfx::TextAlignment::TopRight, Color::White);
painter.draw_rect({ 520, 360, 240, 30 }, Color::DarkGray);
painter.draw_text({ 520, 360, 240, 30 }, "Emojis! 🙂😂🐞🦄", Gfx::TextAlignment::Center, Color::White);
painter.draw_rect({ 520, 410, 240, 80 }, Color::DarkGray);
painter.draw_text({ 520, 415, 240, 20 }, "Normal text", Gfx::FontDatabase::default_font(), Gfx::TextAlignment::CenterLeft, Color::Red);
painter.draw_text({ 520, 430, 240, 20 }, "Bold text", Gfx::FontDatabase::default_bold_font(), Gfx::TextAlignment::CenterLeft, Color::Green);
painter.draw_text({ 520, 450, 240, 20 }, "Normal text (fixed width)", Gfx::FontDatabase::default_fixed_width_font(), Gfx::TextAlignment::CenterLeft, Color::Blue);
painter.draw_text({ 520, 465, 240, 20 }, "Bold text (fixed width)", Gfx::FontDatabase::default_bold_fixed_width_font(), Gfx::TextAlignment::CenterLeft, Color::Yellow);
auto font = Gfx::BitmapFont::load_from_file("/res/fonts/PebbletonBold14.font");
painter.draw_rect({ 520, 510, 240, 30 }, Color::DarkGray);
painter.draw_text({ 520, 510, 240, 30 }, "Hello friends! :^)", *font, Gfx::TextAlignment::Center, Color::White);
painter.fill_rect({ 520, 560, 10, 20 }, Color::White);
painter.fill_rect({ 530, 560, 10, 20 }, Color::WarmGray);
painter.fill_rect({ 540, 560, 10, 20 }, Color::LightGray);
painter.fill_rect({ 550, 560, 10, 20 }, Color::MidGray);
painter.fill_rect({ 560, 560, 10, 20 }, Color::DarkGray);
painter.fill_rect({ 570, 560, 10, 20 }, Color::Black);
painter.fill_rect({ 580, 560, 10, 20 }, Color::Blue);
painter.fill_rect({ 590, 560, 10, 20 }, Color::MidBlue);
painter.fill_rect({ 600, 560, 10, 20 }, Color::DarkBlue);
painter.fill_rect({ 610, 560, 10, 20 }, Color::Cyan);
painter.fill_rect({ 620, 560, 10, 20 }, Color::MidCyan);
painter.fill_rect({ 630, 560, 10, 20 }, Color::DarkCyan);
painter.fill_rect({ 640, 560, 10, 20 }, Color::Green);
painter.fill_rect({ 650, 560, 10, 20 }, Color::MidGreen);
painter.fill_rect({ 660, 560, 10, 20 }, Color::DarkGreen);
painter.fill_rect({ 670, 560, 10, 20 }, Color::Yellow);
painter.fill_rect({ 680, 560, 10, 20 }, Color::Red);
painter.fill_rect({ 690, 560, 10, 20 }, Color::MidRed);
painter.fill_rect({ 700, 560, 10, 20 }, Color::DarkRed);
painter.fill_rect({ 710, 560, 10, 20 }, Color::Magenta);
painter.fill_rect({ 720, 560, 10, 20 }, Color::MidMagenta);
update();
}
int main(int argc, char** argv)
{
auto app = GUI::Application::construct(argc, argv);
if (pledge("stdio recvfd sendfd rpath", 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_double_buffering_enabled(true);
window->set_title("LibGfx Demo");
window->set_resizable(false);
window->resize(WIDTH, HEIGHT);
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();
}