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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "ImageStyleValue.h"
#include <LibWeb/CSS/ComputedValues.h>
#include <LibWeb/CSS/Serialize.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/Loader/ResourceLoader.h>
#include <LibWeb/Painting/PaintContext.h>
#include <LibWeb/Platform/Timer.h>
namespace Web::CSS {
ImageStyleValue::ImageStyleValue(AK::URL const& url)
: AbstractImageStyleValue(Type::Image)
, m_url(url)
{
}
void ImageStyleValue::load_any_resources(DOM::Document& document)
{
if (resource())
return;
m_document = &document;
auto request = LoadRequest::create_for_url_on_page(m_url, document.page());
set_resource(ResourceLoader::the().load_resource(Resource::Type::Image, request));
}
void ImageStyleValue::resource_did_load()
{
if (!m_document)
return;
// FIXME: Do less than a full repaint if possible?
if (m_document && m_document->browsing_context())
m_document->browsing_context()->set_needs_display();
if (resource()->is_animated() && resource()->frame_count() > 1) {
m_timer = Platform::Timer::create();
m_timer->set_interval(resource()->frame_duration(0));
m_timer->on_timeout = [this] { animate(); };
m_timer->start();
}
}
void ImageStyleValue::animate()
{
m_current_frame_index = (m_current_frame_index + 1) % resource()->frame_count();
auto current_frame_duration = resource()->frame_duration(m_current_frame_index);
if (current_frame_duration != m_timer->interval())
m_timer->restart(current_frame_duration);
if (m_current_frame_index == resource()->frame_count() - 1) {
++m_loops_completed;
if (m_loops_completed > 0 && m_loops_completed == resource()->loop_count())
m_timer->stop();
}
if (on_animate)
on_animate();
}
Gfx::Bitmap const* ImageStyleValue::bitmap(size_t frame_index) const
{
if (!resource())
return nullptr;
return resource()->bitmap(frame_index);
}
ErrorOr<String> ImageStyleValue::to_string() const
{
return serialize_a_url(m_url.to_deprecated_string());
}
bool ImageStyleValue::equals(StyleValue const& other) const
{
if (type() != other.type())
return false;
return m_url == other.as_image().m_url;
}
Optional<CSSPixels> ImageStyleValue::natural_width() const
{
if (auto* b = bitmap(0); b != nullptr)
return b->width();
return {};
}
Optional<CSSPixels> ImageStyleValue::natural_height() const
{
if (auto* b = bitmap(0); b != nullptr)
return b->height();
return {};
}
void ImageStyleValue::paint(PaintContext& context, DevicePixelRect const& dest_rect, CSS::ImageRendering image_rendering) const
{
if (auto* b = bitmap(m_current_frame_index); b != nullptr) {
auto scaling_mode = to_gfx_scaling_mode(image_rendering, bitmap(0)->rect(), dest_rect.to_type<int>());
context.painter().draw_scaled_bitmap(dest_rect.to_type<int>(), *b, bitmap(0)->rect(), 1.f, scaling_mode);
}
}
}
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