separate image encode and decode
remove obsolete build-flag for encode



git-svn-id: http://skia.googlecode.com/svn/trunk@56 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/images/SkImageEncoder.cpp b/src/images/SkImageEncoder.cpp
new file mode 100644
index 0000000..d359905
--- /dev/null
+++ b/src/images/SkImageEncoder.cpp
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2009, The Android Open Source Project
+ *
+ * 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 "SkImageEncoder.h"
+#include "SkBitmap.h"
+#include "SkStream.h"
+#include "SkTemplates.h"
+
+SkImageEncoder::~SkImageEncoder() {}
+
+bool SkImageEncoder::encodeStream(SkWStream* stream, const SkBitmap& bm,
+                                  int quality) {
+    quality = SkMin32(100, SkMax32(0, quality));
+    return this->onEncode(stream, bm, quality);
+}
+
+bool SkImageEncoder::encodeFile(const char file[], const SkBitmap& bm,
+                                int quality) {
+    quality = SkMin32(100, SkMax32(0, quality));
+    SkFILEWStream   stream(file);
+    return this->onEncode(&stream, bm, quality);
+}
+
+bool SkImageEncoder::EncodeFile(const char file[], const SkBitmap& bm, Type t,
+                                int quality) {
+    SkAutoTDelete<SkImageEncoder> enc(SkImageEncoder::Create(t));
+    return enc.get() && enc.get()->encodeFile(file, bm, quality);
+}
+
+bool SkImageEncoder::EncodeStream(SkWStream* stream, const SkBitmap& bm, Type t,
+                                int quality) {
+    SkAutoTDelete<SkImageEncoder> enc(SkImageEncoder::Create(t));
+    return enc.get() && enc.get()->encodeStream(stream, bm, quality);
+}
+