API to Convert Java Bitmap Config to SkBitmap::Config

ui/gfx/android/java_bitmap.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gfx/android/java_bitmap.h"
 
 #include <android/bitmap.h>
 
 #include "base/android/jni_string.h"
 #include "base/logging.h"
 #include "jni/BitmapHelper_jni.h"
 #include "skia/ext/image_operations.h"
-#include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/size.h"
 
 using base::android::AttachCurrentThread;
 
 namespace gfx {
 
+static const char kALPHA_8[] = "ALPHA_8";
+static const char kARGB_4444[] = "ARGB_4444";
+static const char kARGB_8888[] = "ARGB_8888";
+static const char kRGB_565[] = "RGB_565";
+
 JavaBitmap::JavaBitmap(jobject bitmap)
     : bitmap_(bitmap),
       pixels_(NULL) {
   int err = AndroidBitmap_lockPixels(AttachCurrentThread(), bitmap_, &pixels_);
   DCHECK(!err);
   DCHECK(pixels_);
 
   AndroidBitmapInfo info;
   err = AndroidBitmap_getInfo(AttachCurrentThread(), bitmap_, &info);
   DCHECK(!err);
@@ skipping 65 matching lines @@
       env, jname.obj(), size.width(), size.height()));
   if (jobj.is_null())
     return SkBitmap();
 
   JavaBitmap jbitmap(jobj.obj());
   SkBitmap bitmap = CreateSkBitmapFromJavaBitmap(jbitmap);
   return skia::ImageOperations::Resize(
       bitmap, skia::ImageOperations::RESIZE_BOX, size.width(), size.height());
 }
 
+ScopedJavaLocalRef<jstring> ConvertBitmapConfigToString(jobject bitmap_config) {
+

[no sievers, 2014/02/13 21:34:24]

You can just call the function directly instead of defining this wrapper.

[sivag, 2014/02/14 12:24:25]

Done.

+   return Java_BitmapHelper_bitmapConfigToString(AttachCurrentThread(),
+                                                 bitmap_config);
+}
+
+SkBitmap::Config ConvertToSkiaConfig(jobject bitmap_config)
+{
+
+  ScopedJavaLocalRef<jstring> value = ConvertBitmapConfigToString(
+      bitmap_config);
+  const std::string& config_value = base::android::ConvertJavaStringToUTF8(
+      AttachCurrentThread(), value.obj());
+
+  if (config_value.compare(kARGB_8888) == 0) {
+    return SkBitmap::kARGB_8888_Config;
+  } else if (config_value.compare(kRGB_565) == 0) {
+    return SkBitmap::kRGB_565_Config;
+  } else if (config_value.compare(kALPHA_8) == 0) {
+    return SkBitmap::kA8_Config;
+  } else if (config_value.compare(kARGB_4444) == 0) {
+    return SkBitmap::kARGB_4444_Config;
+  }
+
+  return SkBitmap::kNo_Config;
+}
+
 }  //  namespace gfx