analysis: full official-app reverse artifacts (jadx sources, ghidra libcxsdk decomp, authoritative protocol conclusions) + docs

2026-09-10 02:51:37 +08:00
parent 623d62b641
commit 4ba98f62cd
68 changed files with 69493 additions and 5 deletions
@@ -0,0 +1,72 @@
+package cn.com.magnity.magnitycx.sdk;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Matrix;
+import android.graphics.Point;
+import android.media.ThumbnailUtils;
+
+/* loaded from: classes.dex */
+public class BitmapUtilities {
+    public static Bitmap getBitmapThumbnail(String pathName, int width, int height) {
+        Bitmap bitmap = null;
+        BitmapFactory.Options opts = new BitmapFactory.Options();
+        opts.inJustDecodeBounds = true;
+        BitmapFactory.decodeFile(pathName, opts);
+        if (opts.outWidth > 0 && opts.outHeight > 0) {
+            float r = Math.max(opts.outHeight / height, opts.outWidth / width);
+            opts.inSampleSize = (int) (r + 0.5d);
+            opts.inJustDecodeBounds = false;
+            bitmap = BitmapFactory.decodeFile(pathName, opts);
+        }
+        if (bitmap == null) {
+            return ThumbnailUtils.createVideoThumbnail(pathName, 1);
+        }
+        return bitmap;
+    }
+
+    public static Bitmap getBitmapThumbnail(String pathName, int sampleSize) {
+        Bitmap bitmap = null;
+        BitmapFactory.Options opts = new BitmapFactory.Options();
+        opts.inJustDecodeBounds = true;
+        BitmapFactory.decodeFile(pathName, opts);
+        if (opts.outWidth > 0 && opts.outHeight > 0) {
+            opts.inSampleSize = sampleSize;
+            opts.inJustDecodeBounds = false;
+            bitmap = BitmapFactory.decodeFile(pathName, opts);
+        }
+        if (bitmap == null) {
+            return ThumbnailUtils.createVideoThumbnail(pathName, 1);
+        }
+        return bitmap;
+    }
+
+    public static Point getBitmapSize(String pathName) {
+        BitmapFactory.Options opts = new BitmapFactory.Options();
+        opts.inJustDecodeBounds = true;
+        BitmapFactory.decodeFile(pathName, opts);
+        if (opts.outWidth <= 0 || opts.outHeight <= 0) {
+            return null;
+        }
+        return new Point(opts.outWidth, opts.outHeight);
+    }
+
+    public static Bitmap getBitmapThumbnail(Bitmap bmp, int width, int height) {
+        Bitmap bitmap;
+        if (bmp == null) {
+            return null;
+        }
+        int bmpWidth = bmp.getWidth();
+        int bmpHeight = bmp.getHeight();
+        if (width > 0 && height > 0) {
+            Matrix matrix = new Matrix();
+            float scaleWidth = width / bmpWidth;
+            float scaleHeight = height / bmpHeight;
+            matrix.postScale(scaleWidth, scaleHeight);
+            bitmap = Bitmap.createBitmap(bmp, 0, 0, bmpWidth, bmpHeight, matrix, true);
+        } else {
+            bitmap = bmp;
+        }
+        return bitmap;
+    }
+}