Separate core and images project.

include/images/SkImageEncoder.h

-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#ifndef SkImageEncoder_DEFINED
-#define SkImageEncoder_DEFINED
-
-#include "SkTypes.h"
-
-class SkBitmap;
-class SkData;
-class SkWStream;
-
-class SkImageEncoder {
-public:
-    enum Type {
-        kUnknown_Type,
-        kBMP_Type,
-        kGIF_Type,
-        kICO_Type,
-        kJPEG_Type,
-        kPNG_Type,
-        kWBMP_Type,
-        kWEBP_Type,
-    };
-    static SkImageEncoder* Create(Type);
-
-    virtual ~SkImageEncoder();
-
-    /*  Quality ranges from 0..100 */
-    enum {
-        kDefaultQuality = 80
-    };
-
-    /**
-     *  Encode bitmap 'bm', returning the results in an SkData, at quality level
-     *  'quality' (which can be in range 0-100). If the bitmap cannot be
-     *  encoded, return null. On success, the caller is responsible for
-     *  calling unref() on the data when they are finished.
-     */
-    SkData* encodeData(const SkBitmap&, int quality);
-
-    /**
-     * Encode bitmap 'bm' in the desired format, writing results to
-     * file 'file', at quality level 'quality' (which can be in range
-     * 0-100). Returns false on failure.
-     */
-    bool encodeFile(const char file[], const SkBitmap& bm, int quality);
-
-    /**
-     * Encode bitmap 'bm' in the desired format, writing results to
-     * stream 'stream', at quality level 'quality' (which can be in
-     * range 0-100). Returns false on failure.
-     */
-    bool encodeStream(SkWStream* stream, const SkBitmap& bm, int quality);
-
-    static SkData* EncodeData(const SkBitmap&, Type, int quality);
-    static bool EncodeFile(const char file[], const SkBitmap&, Type,
-                           int quality);
-    static bool EncodeStream(SkWStream*, const SkBitmap&, Type,
-                           int quality);
-
-protected:
-    /**
-     * Encode bitmap 'bm' in the desired format, writing results to
-     * stream 'stream', at quality level 'quality' (which can be in
-     * range 0-100).
-     *
-     * This must be overridden by each SkImageEncoder implementation.
-     */
-    virtual bool onEncode(SkWStream* stream, const SkBitmap& bm, int quality) = 0;
-};
-
-// This macro declares a global (i.e., non-class owned) creation entry point
-// for each encoder (e.g., CreateJPEGImageEncoder)
-#define DECLARE_ENCODER_CREATOR(codec)          \
-    SkImageEncoder *Create ## codec ();
-
-// This macro defines the global creation entry point for each encoder. Each
-// encoder implementation that registers with the encoder factory must call it.
-#define DEFINE_ENCODER_CREATOR(codec)           \
-    SkImageEncoder *Create ## codec () {        \
-        return SkNEW( Sk ## codec );            \
-    }
-
-// All the encoders known by Skia. Note that, depending on the compiler settings,
-// not all of these will be available
-/** An ARGBImageEncoder will always write out
- *  bitmap.width() * bitmap.height() * 4
- *  bytes.
- */
-DECLARE_ENCODER_CREATOR(ARGBImageEncoder);
-DECLARE_ENCODER_CREATOR(JPEGImageEncoder);
-DECLARE_ENCODER_CREATOR(PNGImageEncoder);
-DECLARE_ENCODER_CREATOR(WEBPImageEncoder);
-
-#endif