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/*
* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/MappedFile.h>
#include <LibGUI/ImageWidget.h>
#include <LibGUI/Painter.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/ImageDecoder.h>
REGISTER_WIDGET(GUI, ImageWidget)
namespace GUI {
ImageWidget::ImageWidget(StringView)
: m_timer(Core::Timer::construct())
{
set_frame_thickness(0);
set_frame_shadow(Gfx::FrameShadow::Plain);
set_frame_shape(Gfx::FrameShape::NoFrame);
set_auto_resize(true);
REGISTER_BOOL_PROPERTY("auto_resize", auto_resize, set_auto_resize);
REGISTER_BOOL_PROPERTY("should_stretch", should_stretch, set_should_stretch);
}
void ImageWidget::set_bitmap(Gfx::Bitmap const* bitmap)
{
if (m_bitmap == bitmap)
return;
m_bitmap = bitmap;
if (m_bitmap && m_auto_resize)
set_fixed_size(m_bitmap->size());
update();
}
void ImageWidget::set_auto_resize(bool value)
{
m_auto_resize = value;
if (m_bitmap)
set_fixed_size(m_bitmap->size());
}
// Same as ImageViewer::ViewWidget::animate(), you probably want to keep any changes in sync
void ImageWidget::animate()
{
m_current_frame_index = (m_current_frame_index + 1) % m_image_decoder->frame_count();
auto current_frame = m_image_decoder->frame(m_current_frame_index).release_value_but_fixme_should_propagate_errors();
set_bitmap(current_frame.image);
if (current_frame.duration != m_timer->interval()) {
m_timer->restart(current_frame.duration);
}
if (m_current_frame_index == m_image_decoder->frame_count() - 1) {
++m_loops_completed;
if (m_loops_completed > 0 && m_loops_completed == m_image_decoder->loop_count()) {
m_timer->stop();
}
}
}
void ImageWidget::load_from_file(StringView path)
{
auto file_or_error = Core::MappedFile::map(path);
if (file_or_error.is_error())
return;
auto& mapped_file = *file_or_error.value();
m_image_decoder = Gfx::ImageDecoder::try_create(mapped_file.bytes());
VERIFY(m_image_decoder);
auto frame = m_image_decoder->frame(0).release_value_but_fixme_should_propagate_errors();
auto bitmap = frame.image;
VERIFY(bitmap);
set_bitmap(bitmap);
if (m_image_decoder->is_animated() && m_image_decoder->frame_count() > 1) {
auto first_frame = m_image_decoder->frame(0).release_value_but_fixme_should_propagate_errors();
m_timer->set_interval(first_frame.duration);
m_timer->on_timeout = [this] { animate(); };
m_timer->start();
}
}
void ImageWidget::mousedown_event(GUI::MouseEvent&)
{
if (on_click)
on_click();
}
void ImageWidget::paint_event(PaintEvent& event)
{
Frame::paint_event(event);
if (!m_bitmap) {
return;
}
Painter painter(*this);
painter.add_clip_rect(event.rect());
if (m_should_stretch) {
painter.draw_scaled_bitmap(frame_inner_rect(), *m_bitmap, m_bitmap->rect(), (float)opacity_percent() / 100.0f);
} else {
auto location = frame_inner_rect().center().translated(-(m_bitmap->width() / 2), -(m_bitmap->height() / 2));
painter.blit(location, *m_bitmap, m_bitmap->rect(), (float)opacity_percent() / 100.0f);
}
}
void ImageWidget::set_opacity_percent(int percent)
{
if (m_opacity_percent == percent)
return;
m_opacity_percent = percent;
update();
}
}
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