modules/javafx.graphics/src/main/native-glass/mac/GlassRobot.m

*** 479,497 ****
  
                      // cleanup
                      CGContextRelease(jPicContextRef);
                      (*env)->ReleaseIntArrayElements(env, pixelArray, javaPixels, 0);
  
                      jfloat scale = (*env)->CallStaticFloatMethod(env,
!                             [GlassHelper ClassForName:"com.sun.glass.ui.Application" withEnv:env],
                              javaIDs.Application.getScaleFactor, x, y, width, height);
                       if ((*env)->ExceptionCheck(env)) return NULL;
  
                      // create Pixels
!                     pixels = (*env)->CallStaticObjectMethod(env,
!                             [GlassHelper ClassForName:"com.sun.glass.ui.Application" withEnv:env],
!                             javaIDs.Application.createPixels, pixWidth, pixHeight, pixelArray, scale, scale);
                      if ((*env)->ExceptionCheck(env)) return NULL;
                  }
              }
  
              CGImageRelease(screenImage);
--- 479,502 ----
  
                      // cleanup
                      CGContextRelease(jPicContextRef);
                      (*env)->ReleaseIntArrayElements(env, pixelArray, javaPixels, 0);
  
+                     jclass applicationClass =
+                         [GlassHelper ClassForName:"com.sun.glass.ui.Application" withEnv:env];
+                     if (!applicationClass) return NULL;
+ 
                      jfloat scale = (*env)->CallStaticFloatMethod(env,
!                             applicationClass,
                              javaIDs.Application.getScaleFactor, x, y, width, height);
                      if ((*env)->ExceptionCheck(env)) return NULL;
  
                      // create Pixels
!                     pixels = (*env)->CallStaticObjectMethod(env, applicationClass,
!                                                             javaIDs.Application.createPixels,
!                                                             pixWidth, pixHeight,
!                                                             pixelArray, scale, scale);
                      if ((*env)->ExceptionCheck(env)) return NULL;
                  }
              }
  
              CGImageRelease(screenImage);