8313164: src/java.desktop/windows/native/libawt/windows/awt_Robot.cpp GetRGBPixels adjust releasing of resources

Backport-of: b7545a69a27f255cbf26071be5b88f6e3e6b3cd6

Author: MBaesken

src/java.desktop/windows/native/libawt/windows/awt_Robot.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -170,6 +170,8 @@ static void GetRGBPixels(jint x, jint y, jint width, jint height, jintArray pixe
     // create an offscreen bitmap
     hbitmap = ::CreateCompatibleBitmap(hdcScreen, width, height);
     if (hbitmap == NULL) {
+        ::DeleteDC(hdcMem);
+        ::DeleteDC(hdcScreen);
         throw std::bad_alloc();
     }
     hOldBitmap = (HBITMAP)::SelectObject(hdcMem, hbitmap);
@@ -189,9 +191,21 @@ static void GetRGBPixels(jint x, jint y, jint width, jint height, jintArray pixe
     static const int BITS_PER_PIXEL = 32;
     static const int BYTES_PER_PIXEL = BITS_PER_PIXEL/8;
 
-    if (!IS_SAFE_SIZE_MUL(width, height)) throw std::bad_alloc();
+    if (!IS_SAFE_SIZE_MUL(width, height)) {
+        ::DeleteObject(hbitmap);
+        ::DeleteDC(hdcMem);
+        ::DeleteDC(hdcScreen);
+        throw std::bad_alloc();
+    }
+
     int numPixels = width*height;
-    if (!IS_SAFE_SIZE_MUL(BYTES_PER_PIXEL, numPixels)) throw std::bad_alloc();
+    if (!IS_SAFE_SIZE_MUL(BYTES_PER_PIXEL, numPixels)) {
+        ::DeleteObject(hbitmap);
+        ::DeleteDC(hdcMem);
+        ::DeleteDC(hdcScreen);
+        throw std::bad_alloc();
+    }
+
     int pixelDataSize = BYTES_PER_PIXEL*numPixels;
     DASSERT(pixelDataSize > 0 && pixelDataSize % 4 == 0);
     // allocate memory for BITMAPINFO + pixel data
@@ -202,6 +216,9 @@ static void GetRGBPixels(jint x, jint y, jint width, jint height, jintArray pixe
     // See MSDN docs for BITMAPINFOHEADER -bchristi
 
     if (!IS_SAFE_SIZE_ADD(sizeof(BITMAPINFOHEADER) + 3 * sizeof(RGBQUAD), pixelDataSize)) {
+        ::DeleteObject(hbitmap);
+        ::DeleteDC(hdcMem);
+        ::DeleteDC(hdcScreen);
         throw std::bad_alloc();
     }
     BITMAPINFO * pinfo = (BITMAPINFO *)(new BYTE[sizeof(BITMAPINFOHEADER) + 3 * sizeof(RGBQUAD) + pixelDataSize]);