NOISSUE Flatten gui and logic libraries into MultiMC

launcher/SkinUtils.cpp

@@ -0,0 +1,52 @@
+/* Copyright 2013-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "SkinUtils.h"
+#include "net/HttpMetaCache.h"
+#include "Env.h"
+
+#include <QFile>
+#include <QPainter>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+
+namespace SkinUtils
+{
+/*
+ * Given a username, return a pixmap of the cached skin (if it exists), QPixmap() otherwise
+ */
+QPixmap getFaceFromCache(QString username, int height, int width)
+{
+    QFile fskin(ENV.metacache()
+                    ->resolveEntry("skins", username + ".png")
+                    ->getFullPath());
+
+    if (fskin.exists())
+    {
+        QPixmap skinTexture(fskin.fileName());
+        if(!skinTexture.isNull())
+        {
+            QPixmap skin = QPixmap(8, 8);
+            QPainter painter(&skin);
+            painter.drawPixmap(0, 0, skinTexture.copy(8, 8, 8, 8));
+            painter.drawPixmap(0, 0, skinTexture.copy(40, 8, 8, 8));
+            return skin.scaled(height, width, Qt::KeepAspectRatio);
+        }
+    }
+
+    return QPixmap();
+}
+}