mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-04-26 06:18:59 +00:00
132 lines
3.8 KiB
C++
132 lines
3.8 KiB
C++
/*
|
||
* 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 <LibCore/MimeData.h>
|
||
#include <LibGUI/ImageWidget.h>
|
||
#include <LibGUI/Painter.h>
|
||
#include <LibGfx/Bitmap.h>
|
||
#include <LibGfx/ImageFormats/ImageDecoder.h>
|
||
|
||
REGISTER_WIDGET(GUI, ImageWidget)
|
||
|
||
namespace GUI {
|
||
|
||
ImageWidget::ImageWidget(StringView)
|
||
: m_timer(Core::Timer::try_create().release_value_but_fixme_should_propagate_errors())
|
||
|
||
{
|
||
set_frame_style(Gfx::FrameStyle::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);
|
||
REGISTER_WRITE_ONLY_STRING_PROPERTY("bitmap", load_from_file);
|
||
}
|
||
|
||
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)
|
||
{
|
||
if (m_auto_resize == value)
|
||
return;
|
||
m_auto_resize = value;
|
||
if (m_bitmap && m_auto_resize)
|
||
set_fixed_size(m_bitmap->size());
|
||
}
|
||
|
||
// Same as ImageViewer::ViewWidget::animate(), you probably want to keep any changes in sync
|
||
void ImageWidget::animate()
|
||
{
|
||
auto first_animated_frame_index = m_image_decoder->first_animated_frame_index();
|
||
auto total_animated_frames = m_image_decoder->frame_count() - first_animated_frame_index;
|
||
m_current_frame_index = (m_current_frame_index + 1) % total_animated_frames;
|
||
|
||
auto current_frame = m_image_decoder->frame(first_animated_frame_index + 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 == total_animated_frames - 1) {
|
||
++m_loops_completed;
|
||
if (m_image_decoder->loop_count() > 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();
|
||
auto mime_type = Core::guess_mime_type_based_on_filename(path);
|
||
m_image_decoder = Gfx::ImageDecoder::try_create_for_raw_bytes(mapped_file.bytes(), mime_type);
|
||
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();
|
||
}
|
||
|
||
}
|