Image.h

00001 
00002 #ifndef IMAGE_H
00003 #define IMAGE_H
00004 
00005 class Image {
00006 public:
00007 
00008     enum Type {
00009         BMP = 0,
00010         PNG,
00011         UNKNOWN
00012     };
00013     
00014     typedef struct {
00015         uint16_t* pixels;
00016         uint32_t  width;
00017         uint32_t  height;
00018     } ImageData_t;
00019 
00020     /** Decodes the specified image data
00021      *
00022      *  Note that if this function returns a zero, indicating success,
00023      *  the pixels member of the pDataOut structure must be
00024      *  deallocated using lpc_free() when no longer needed.
00025      *
00026      *  @param pDataIn the image data
00027      *  @param sizeIn the number of bytes in the pDataIn array
00028      *  @param pDataOut the decoded image (only valid if 0 is returned)
00029      *
00030      *  @returns
00031      *       0 on success
00032      *       1 on failure
00033      */
00034     static int decode(const unsigned char* pDataIn, unsigned int sizeIn, ImageData_t* pDataOut);
00035 
00036 private:
00037 
00038     /** No instance needed
00039      *
00040      */
00041     Image();
00042     
00043     static Type imageType(const unsigned char* pDataIn, unsigned int sizeIn);
00044 };
00045 
00046 #endif
00047 
00048