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https://github.com/RGBCube/serenity
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2fe6a313c2
It's less code, and blit() already handles scaled painters. Fixes the window server asserting in highdpi mode with a centered background image. Part of #5017.
134 lines
5.3 KiB
C++
134 lines
5.3 KiB
C++
/*
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* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "MonitorWidget.h"
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#include <LibGUI/Painter.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/Font.h>
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namespace DisplaySettings {
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MonitorWidget::MonitorWidget()
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{
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m_monitor_bitmap = Gfx::Bitmap::load_from_file("/res/graphics/monitor.png");
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m_monitor_rect = { 8, 9, 320, 180 };
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}
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bool MonitorWidget::set_wallpaper(String path)
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{
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auto bitmap_ptr = Gfx::Bitmap::load_from_file(path);
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if (!bitmap_ptr && !path.is_empty())
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return false;
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m_desktop_wallpaper_path = path;
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m_desktop_wallpaper_bitmap = bitmap_ptr;
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return true;
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}
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String MonitorWidget::wallpaper()
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{
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return m_desktop_wallpaper_path;
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}
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void MonitorWidget::set_wallpaper_mode(String mode)
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{
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m_desktop_wallpaper_mode = mode;
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}
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String MonitorWidget::wallpaper_mode()
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{
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return m_desktop_wallpaper_mode;
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}
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void MonitorWidget::set_desktop_resolution(Gfx::IntSize resolution)
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{
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m_desktop_resolution = resolution;
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}
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Gfx::IntSize MonitorWidget::desktop_resolution()
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{
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return m_desktop_resolution;
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}
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void MonitorWidget::set_background_color(Gfx::Color color)
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{
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m_desktop_color = color;
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}
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Gfx::Color MonitorWidget::background_color()
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{
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return m_desktop_color;
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}
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void MonitorWidget::paint_event(GUI::PaintEvent& event)
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{
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Gfx::IntRect screen_rect = { { 0, 0 }, m_desktop_resolution };
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auto screen_bitmap = Gfx::Bitmap::create(m_monitor_bitmap->format(), m_desktop_resolution);
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GUI::Painter screen_painter(*screen_bitmap);
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screen_painter.fill_rect(screen_rect, m_desktop_color);
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if (!m_desktop_wallpaper_bitmap.is_null()) {
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if (m_desktop_wallpaper_mode == "simple") {
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screen_painter.blit({ 0, 0 }, *m_desktop_wallpaper_bitmap, m_desktop_wallpaper_bitmap->rect());
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} else if (m_desktop_wallpaper_mode == "center") {
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Gfx::IntPoint offset { (screen_rect.width() - m_desktop_wallpaper_bitmap->width()) / 2, (screen_rect.height() - m_desktop_wallpaper_bitmap->height()) / 2 };
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screen_painter.blit_offset(screen_rect.location(), *m_desktop_wallpaper_bitmap, screen_rect, offset);
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} else if (m_desktop_wallpaper_mode == "tile") {
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screen_painter.draw_tiled_bitmap(screen_bitmap->rect(), *m_desktop_wallpaper_bitmap);
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} else if (m_desktop_wallpaper_mode == "stretch") {
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screen_painter.draw_scaled_bitmap(screen_bitmap->rect(), *m_desktop_wallpaper_bitmap, m_desktop_wallpaper_bitmap->rect());
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} else {
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ASSERT_NOT_REACHED();
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}
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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.blit({ 0, 0 }, *m_monitor_bitmap, m_monitor_bitmap->rect());
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painter.draw_scaled_bitmap(m_monitor_rect, *screen_bitmap, screen_bitmap->rect());
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if (!m_desktop_resolution.is_null()) {
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auto displayed_resolution_string = Gfx::IntSize { m_desktop_resolution.width(), m_desktop_resolution.height() }.to_string();
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// Render text label scaled with scale factor to hint at its effect.
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// FIXME: Once bitmaps have intrinsic scale factors, we could create a bitmap with an intrinsic scale factor of m_desktop_scale_factor
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// and that should give us the same effect with less code.
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auto text_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::RGBA32, Gfx::IntSize { painter.font().width(displayed_resolution_string) + 1, painter.font().glyph_height() + 1 });
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GUI::Painter text_painter(*text_bitmap);
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text_painter.set_font(painter.font());
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text_painter.draw_text({}, displayed_resolution_string, Gfx::TextAlignment::BottomRight, Color::Black);
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text_painter.draw_text({}, displayed_resolution_string, Gfx::TextAlignment::TopLeft, Color::White);
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Gfx::IntRect text_rect = text_bitmap->rect();
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text_rect.set_width(text_rect.width() * m_desktop_scale_factor);
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text_rect.set_height(text_rect.height() * m_desktop_scale_factor);
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text_rect.center_within(m_monitor_rect);
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painter.draw_scaled_bitmap(text_rect, *text_bitmap, text_bitmap->rect());
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}
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}
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}
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