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391beef707
This will help a lot with developing chromes for different UI frameworks where we can see which helper classes and processes are really using Qt vs just using it to get at helper data. As a bonus, remove Qt dependency from WebDriver.
75 lines
2.4 KiB
C++
75 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 "StringUtils.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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