JavaBitmap.hpp

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#ifndef __blip_JavaBitmap_hpp
#define __blip_JavaBitmap_hpp

#include <jni.h>
#include <android/bitmap.h>

#include <blip/Blip.hpp>

#include <commonc++/Flags.h++>

namespace blip {

class JavaBitmap
{
  public:

  enum Format { Format_None = 0,
                Format_RGBA_8888 = 1,
                Format_RGB_565 = 4,
                Format_RGBA_4444 = 7,
                Format_A_8 = 8 };

  JavaBitmap(JNIEnv* env, jobject jbitmap);
  ~JavaBitmap();

  bool lockPixels();
  bool unlockPixels();

  inline bool isValid() const
  { return(_valid); }

  inline byte_t* getData()
  { return(reinterpret_cast<byte_t*>(_addr)); }

  inline const byte_t* getData() const
  { return(reinterpret_cast<const byte_t*>(_addr)); }

  uint32_t getWidth() const;
  uint32_t getHeight() const;
  uint32_t getRowStride() const;
  Format getFormat() const;
  const ccxx::Flags<uint32_t> getFlags() const;

  private:

  JNIEnv* _env;
  jobject _jbitmap;
  AndroidBitmapInfo _info;
  void *_addr;
  bool _valid;

  CCXX_COPY_DECLS(JavaBitmap);
};

} // namespace blip

#endif // __blip_JavaBitmap_hpp