add options to change the cat scalling

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

launcher/ui/themes/CatPainter.cpp

@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (c) 2025 Trial97 <alexandru.tripon97@gmail.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "ui/themes/CatPainter.h"
+#include <QPixmap>
+#include "Application.h"
+
+CatPainter::CatPainter(const QString& path, QObject* parent) : QObject(parent)
+{
+    m_image = QPixmap(path);
+}
+
+void CatPainter::paint(QPainter* painter, const QRect& viewport)
+{
+    QPixmap frame = m_image;
+
+    auto fit = APPLICATION->settings()->get("CatFit").toString();
+    painter->setOpacity(APPLICATION->settings()->get("CatOpacity").toFloat() / 100);
+    int widWidth = viewport.width();
+    int widHeight = viewport.height();
+    auto aspectMode = Qt::IgnoreAspectRatio;
+    if (fit == "fill") {
+        aspectMode = Qt::KeepAspectRatio;
+    } else if (fit == "fit") {
+        aspectMode = Qt::KeepAspectRatio;
+        if (frame.width() < widWidth)
+            widWidth = frame.width();
+        if (frame.height() < widHeight)
+            widHeight = frame.height();
+    }
+    auto pixmap = frame.scaled(widWidth, widHeight, aspectMode, Qt::SmoothTransformation);
+    QRect rectOfPixmap = pixmap.rect();
+    rectOfPixmap.moveBottomRight(viewport.bottomRight());
+    painter->drawPixmap(rectOfPixmap.topLeft(), pixmap);
+    painter->setOpacity(1.0);
+};

launcher/ui/themes/CatPainter.h

@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (c) 2025 Trial97 <alexandru.tripon97@gmail.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QMovie>
+#include <QPainter>
+#include <QPixmap>
+#include <QString>
+
+class CatPainter : public QObject {
+    Q_OBJECT
+   public:
+    CatPainter(const QString& path, QObject* parent = nullptr);
+    virtual ~CatPainter() = default;
+    void paint(QPainter*, const QRect&);
+
+   signals:
+    void updateFrame();
+
+   private:
+    QPixmap m_image;
+};