ladybird/Userland/Applications/DisplaySettings/MonitorWidget.cpp
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

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/*
* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "MonitorWidget.h"
#include <LibGUI/Painter.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Font.h>
namespace DisplaySettings {
MonitorWidget::MonitorWidget()
{
m_monitor_bitmap = Gfx::Bitmap::load_from_file("/res/graphics/monitor.png");
m_monitor_rect = { 8, 9, 320, 180 };
}
bool MonitorWidget::set_wallpaper(String path)
{
auto bitmap_ptr = Gfx::Bitmap::load_from_file(path);
if (!bitmap_ptr && !path.is_empty())
return false;
m_desktop_wallpaper_path = path;
m_desktop_wallpaper_bitmap = bitmap_ptr;
return true;
}
String MonitorWidget::wallpaper()
{
return m_desktop_wallpaper_path;
}
void MonitorWidget::set_wallpaper_mode(String mode)
{
m_desktop_wallpaper_mode = mode;
}
String MonitorWidget::wallpaper_mode()
{
return m_desktop_wallpaper_mode;
}
void MonitorWidget::set_desktop_resolution(Gfx::IntSize resolution)
{
m_desktop_resolution = resolution;
}
Gfx::IntSize MonitorWidget::desktop_resolution()
{
return m_desktop_resolution;
}
void MonitorWidget::set_background_color(Gfx::Color color)
{
m_desktop_color = color;
}
Gfx::Color MonitorWidget::background_color()
{
return m_desktop_color;
}
void MonitorWidget::paint_event(GUI::PaintEvent& event)
{
Gfx::IntRect screen_rect = { { 0, 0 }, m_desktop_resolution };
auto screen_bitmap = Gfx::Bitmap::create(m_monitor_bitmap->format(), m_desktop_resolution);
GUI::Painter screen_painter(*screen_bitmap);
screen_painter.fill_rect(screen_rect, m_desktop_color);
if (!m_desktop_wallpaper_bitmap.is_null()) {
if (m_desktop_wallpaper_mode == "simple") {
screen_painter.blit({ 0, 0 }, *m_desktop_wallpaper_bitmap, m_desktop_wallpaper_bitmap->rect());
} else if (m_desktop_wallpaper_mode == "center") {
Gfx::IntPoint offset { (screen_rect.width() - m_desktop_wallpaper_bitmap->width()) / 2, (screen_rect.height() - m_desktop_wallpaper_bitmap->height()) / 2 };
screen_painter.blit_offset(screen_rect.location(), *m_desktop_wallpaper_bitmap, screen_rect, offset);
} else if (m_desktop_wallpaper_mode == "tile") {
screen_painter.draw_tiled_bitmap(screen_bitmap->rect(), *m_desktop_wallpaper_bitmap);
} else if (m_desktop_wallpaper_mode == "stretch") {
screen_painter.draw_scaled_bitmap(screen_bitmap->rect(), *m_desktop_wallpaper_bitmap, m_desktop_wallpaper_bitmap->rect());
} else {
VERIFY_NOT_REACHED();
}
}
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.blit({ 0, 0 }, *m_monitor_bitmap, m_monitor_bitmap->rect());
painter.draw_scaled_bitmap(m_monitor_rect, *screen_bitmap, screen_bitmap->rect());
if (!m_desktop_resolution.is_null()) {
auto displayed_resolution_string = Gfx::IntSize { m_desktop_resolution.width(), m_desktop_resolution.height() }.to_string();
// Render text label scaled with scale factor to hint at its effect.
// FIXME: Once bitmaps have intrinsic scale factors, we could create a bitmap with an intrinsic scale factor of m_desktop_scale_factor
// and that should give us the same effect with less code.
auto text_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::BGRA8888, Gfx::IntSize { painter.font().width(displayed_resolution_string) + 1, painter.font().glyph_height() + 1 });
GUI::Painter text_painter(*text_bitmap);
text_painter.set_font(painter.font());
text_painter.draw_text({}, displayed_resolution_string, Gfx::TextAlignment::BottomRight, Color::Black);
text_painter.draw_text({}, displayed_resolution_string, Gfx::TextAlignment::TopLeft, Color::White);
Gfx::IntRect text_rect = text_bitmap->rect();
text_rect.set_width(text_rect.width() * m_desktop_scale_factor);
text_rect.set_height(text_rect.height() * m_desktop_scale_factor);
text_rect.center_within(m_monitor_rect);
painter.draw_scaled_bitmap(text_rect, *text_bitmap, text_bitmap->rect());
}
}
}