mirror of
https://github.com/LadybirdBrowser/ladybird.git
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506b03740c
We were super inconsistent about this, with most "new" classes living in the Ladybird namespace, while "old" ones were in the global namespace, or even sitting in the Browser namespace.
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*
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* Copyright (c) 2023, MacDue <macdue@dueutil.tech>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "TVGIconEngine.h"
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#include "Utilities.h"
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#include <AK/MemoryStream.h>
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#include <AK/String.h>
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#include <LibGfx/Painter.h>
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#include <QFile>
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#include <QImage>
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#include <QPainter>
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#include <QPixmapCache>
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namespace Ladybird {
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void TVGIconEngine::paint(QPainter* qpainter, QRect const& rect, QIcon::Mode mode, QIcon::State state)
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{
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qpainter->drawPixmap(rect, pixmap(rect.size(), mode, state));
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}
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QIconEngine* TVGIconEngine::clone() const
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{
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return new TVGIconEngine(*this);
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}
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QPixmap TVGIconEngine::pixmap(QSize const& size, QIcon::Mode mode, QIcon::State state)
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{
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QPixmap pixmap;
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auto key = pixmap_cache_key(size, mode, state);
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if (QPixmapCache::find(key, &pixmap))
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return pixmap;
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auto bitmap = MUST(Gfx::Bitmap::create(Gfx::BitmapFormat::BGRA8888, { size.width(), size.height() }));
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Gfx::Painter painter { *bitmap };
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m_image_data->draw_into(painter, bitmap->rect());
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for (auto const& filter : m_filters) {
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if (filter->mode() == mode) {
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painter.blit_filtered({}, *bitmap, bitmap->rect(), filter->function(), false);
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break;
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}
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}
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QImage qimage { bitmap->scanline_u8(0), bitmap->width(), bitmap->height(), QImage::Format::Format_ARGB32 };
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pixmap = QPixmap::fromImage(qimage);
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if (!pixmap.isNull())
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QPixmapCache::insert(key, pixmap);
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return pixmap;
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}
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QString TVGIconEngine::pixmap_cache_key(QSize const& size, QIcon::Mode mode, QIcon::State state)
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{
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return qstring_from_ak_string(
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MUST(String::formatted("$sernity_tvgicon_{}_{}x{}_{}_{}", m_cache_id, size.width(), size.height(), to_underlying(mode), to_underlying(state))));
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}
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void TVGIconEngine::add_filter(QIcon::Mode mode, Function<Color(Color)> filter)
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{
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m_filters.empend(adopt_ref(*new Filter(mode, move(filter))));
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invalidate_cache();
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}
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TVGIconEngine* TVGIconEngine::from_file(QString const& path)
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{
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QFile icon_resource(path);
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if (!icon_resource.open(QIODeviceBase::ReadOnly))
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return nullptr;
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auto icon_data = icon_resource.readAll();
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FixedMemoryStream icon_bytes { ReadonlyBytes { icon_data.data(), static_cast<size_t>(icon_data.size()) } };
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if (auto tvg = Gfx::TinyVGDecodedImageData::decode(icon_bytes); !tvg.is_error())
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return new TVGIconEngine(tvg.release_value());
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return nullptr;
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}
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}
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