DM warning-free on win64

third_party/ktx/ktx.cpp

 
 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "ktx.h"
 #include "SkBitmap.h"
@@ skipping 482 matching lines @@
 
     // Calculate the key value data size
     hdr.fBytesOfKeyValueData = 0;
     for (KeyValue *kv = kvPairs.begin(); kv != kvPairs.end(); ++kv) {
         // Key value size is the size of the key value data,
         // four bytes for saying how big the key value size is
         // and then additional bytes for padding to four byte boundary
         size_t kvsize = kv->size();
         kvsize += 4;
         kvsize = (kvsize + 3) & ~3;
-        hdr.fBytesOfKeyValueData += kvsize;
+        hdr.fBytesOfKeyValueData = SkToU32(hdr.fBytesOfKeyValueData + kvsize);
     }
 
     // Write the header
     if (!stream->write(&hdr, sizeof(hdr))) {
         return false;
     }
 
     // Write out each key value pair
     for (KeyValue *kv = kvPairs.begin(); kv != kvPairs.end(); ++kv) {
         if (!kv->writeKeyAndValueForKTX(stream)) {
@@ skipping 36 matching lines @@
         for (int i = 0; i < height; ++i) {
             if (!stream->write(rowPtr, bpp*width)) {
                 return false;
             }
             rowPtr += bitmap.rowBytes();
         }
     }
     
     return true;
 }