"NULL !=" = NULL

src/views/mac/SkNSView.mm

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #import "SkNSView.h"
 #include "SkCanvas.h"
@@ skipping 32 matching lines @@
     fRedrawRequestPending = false;
     fWind = NULL;
     return self;
 }
 
 - (void)setUpWindow {
     [[NSNotificationCenter defaultCenter] addObserver:self
                                           selector:@selector(backingPropertiesChanged:)
                                           name:@"NSWindowDidChangeBackingPropertiesNotification"
                                           object:[self window]];
-    if (NULL != fWind) {
+    if (fWind) {
         fWind->setVisibleP(true);
         NSSize size = self.frame.size;
 #if RETINA_API_AVAILABLE
         size = [self convertSizeToBacking:self.frame.size];
 #endif
         fWind->resize((int) size.width, (int) size.height,
                       kN32_SkColorType);
     }
 }
 
@@ skipping 32 matching lines @@
     // TODO: need a better way to force a refresh (that works).
     // [fGLContext update] does not appear to update if the point size has not changed,
     // even if the backing size has changed.
     [self setFrameSize:NSMakeSize(self.frame.size.width + 1, self.frame.size.height + 1)];
 }
 
 - (void)resizeSkView:(NSSize)newSize {
 #if RETINA_API_AVAILABLE
     newSize = [self convertSizeToBacking:newSize];
 #endif
-    if (NULL != fWind &&
-            (fWind->width()  != newSize.width ||
-             fWind->height() != newSize.height))
-    {
+    if (fWind && (fWind->width()  != newSize.width || fWind->height() != newSize.height)) {
         fWind->resize((int) newSize.width, (int) newSize.height);
-        if (NULL != fGLContext) {
+        if (fGLContext) {
             glClear(GL_STENCIL_BUFFER_BIT);
             [fGLContext update];
         }
     }
 }
 
 - (void) setFrameSize:(NSSize)newSize {
     [super setFrameSize:newSize];
     [self resizeSkView:newSize];
 }
 
 - (void)dealloc {
     delete fWind;
     self.fGLContext = nil;
     self.fTitle = nil;
     [super dealloc];
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 - (void)drawSkia {
     fRedrawRequestPending = false;
-    if (NULL != fWind) {
+    if (fWind) {
         SkAutoTUnref<SkCanvas> canvas(fWind->createCanvas());
         fWind->draw(canvas);
 #ifdef FORCE_REDRAW
         fWind->inval(NULL);
 #endif
     }
 }
 
 - (void)setSkTitle:(const char *)title {
     self.fTitle = [NSString stringWithUTF8String:title];
@@ skipping 116 matching lines @@
             skModi |= gModifierMasks[i].fSkModifierMask;
         }
     }
     return skModi;
 }
 
 - (void)mouseDown:(NSEvent *)event {
     NSPoint p = [event locationInWindow];
     unsigned modi = convertNSModifiersToSk([event modifierFlags]);
 
-    if ([self mouse:p inRect:[self bounds]] && NULL != fWind) {
+    if ([self mouse:p inRect:[self bounds]] && fWind) {
         NSPoint loc = [self convertPoint:p fromView:nil];
 #if RETINA_API_AVAILABLE
         loc = [self convertPointToBacking:loc]; //y-up
         loc.y = -loc.y;
 #endif
         fWind->handleClick((int) loc.x, (int) loc.y,
                            SkView::Click::kDown_State, self, modi);
     }
 }
 
 - (void)mouseDragged:(NSEvent *)event {
     NSPoint p = [event locationInWindow];
     unsigned modi = convertNSModifiersToSk([event modifierFlags]);
 
-    if ([self mouse:p inRect:[self bounds]] && NULL != fWind) {
+    if ([self mouse:p inRect:[self bounds]] && fWind) {
         NSPoint loc = [self convertPoint:p fromView:nil];
 #if RETINA_API_AVAILABLE
         loc = [self convertPointToBacking:loc]; //y-up
         loc.y = -loc.y;
 #endif
         fWind->handleClick((int) loc.x, (int) loc.y,
                            SkView::Click::kMoved_State, self, modi);
     }
 }
 
 - (void)mouseMoved:(NSEvent *)event {
     NSPoint p = [event locationInWindow];
     unsigned modi = convertNSModifiersToSk([event modifierFlags]);
     
-    if ([self mouse:p inRect:[self bounds]] && NULL != fWind) {
+    if ([self mouse:p inRect:[self bounds]] && fWind) {
         NSPoint loc = [self convertPoint:p fromView:nil];
 #if RETINA_API_AVAILABLE
         loc = [self convertPointToBacking:loc]; //y-up
         loc.y = -loc.y;
 #endif
         fWind->handleClick((int) loc.x, (int) loc.y,
                            SkView::Click::kMoved_State, self, modi);
     }
 }
 
 - (void)mouseUp:(NSEvent *)event {
     NSPoint p = [event locationInWindow];
     unsigned modi = convertNSModifiersToSk([event modifierFlags]);
     
-    if ([self mouse:p inRect:[self bounds]] && NULL != fWind) {
+    if ([self mouse:p inRect:[self bounds]] && fWind) {
         NSPoint loc = [self convertPoint:p fromView:nil];
 #if RETINA_API_AVAILABLE
         loc = [self convertPointToBacking:loc]; //y-up
         loc.y = -loc.y;
 #endif
         fWind->handleClick((int) loc.x, (int) loc.y,
                            SkView::Click::kUp_State, self, modi);
     }
 }
 
@@ skipping 84 matching lines @@
     [fGLContext release];
     fGLContext = nil;
 }
 
 - (void)present {
     if (nil != fGLContext) {
         [fGLContext flushBuffer];
     }
 }
 @end