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47c074ab11
Rather than set a hacky scale factor on our QIconEngine, just set the icon size for the toolbar icons. This avoids the icons being unnecessarily scaled in other places (i.e. the context menu).
73 lines
2.3 KiB
C++
73 lines
2.3 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 <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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#include "TVGIconEngine.h"
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#include "Utilities.h"
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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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