add win-specific backend to SkDebugf

git-svn-id: http://skia.googlecode.com/svn/trunk@1223 2bbb7eff-a529-9590-31e7-b0007b416f81

src/ports/SkDebug_stdio.cpp

@@ -17,7 +17,7 @@
 
 #include "SkTypes.h"
 
-static const size_t kBufferSize = 256;
+static const size_t kBufferSize = 2048;
 
 #include <stdarg.h>
 #include <stdio.h>

src/ports/SkDebug_win.cpp

@@ -0,0 +1,34 @@
+/*
+    Copyright 2010 Google Inc.
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+ */
+
+
+#include "SkTypes.h"
+
+static const size_t kBufferSize = 2048;
+
+#include <stdarg.h>
+#include <stdio.h>
+
+void SkDebugf(const char format[], ...) {
+    char    buffer[kBufferSize + 1];
+    va_list args;
+    va_start(args, format);
+    vsnprintf(buffer, kBufferSize, format, args);
+    va_end(args);
+
+    OutputDebugString(buffer);
+}
+