CWE-ou-minkata/Sources/Plasma/PubUtilLib/plGImage/hsCodecManager.h

/*==LICENSE==*

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*==LICENSE==*/
///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//  hsCodecManager Class Header                                              //
//  Cyan, Inc.                                                               //
//                                                                           //
//// Version History //////////////////////////////////////////////////////////
//                                                                           //
//  6.7.2001 mcn - Updated for new bitmap classes.                           //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#ifndef hsCodecManager_inc
#define hsCodecManager_inc

#include "HeadSpin.h"
#include "hsTemplates.h"

class hsCodec;
class plMipmap;

class hsCodecManager
{
private:
    hsCodecManager();
public:
    ~hsCodecManager()       { }
    static hsCodecManager& Instance();

    plMipmap    *CreateCompressedMipmap( uint32_t compressionFormat, plMipmap *uncompressed );
    plMipmap    *CreateUncompressedMipmap( plMipmap *compressed, uint8_t bitDepth = 0 );
    hsBool      ColorizeCompMipmap( plMipmap *bMap, const uint8_t *colorMask );

    hsBool      Register(hsCodec *codec, uint32_t compressionFormat, float priority);

    /// Decompression flags
    enum {
        kBitDepthMask = 0x0003,
        kCompOrderMask = 0x0004
    };
    enum {  /// Bit depths
        kDontCareDepth = 0x0000,
        k16BitDepth = 0x0001,
        k32BitDepth = 0x0002
    };
    enum {  /// uint8_t orders
        kNormalCompOrder = 0x0000,      // DirectX, Glide
        kWeirdCompOrder = 0x0004        // OpenGL
    };

private:
    struct hsCodecEntry
    {
        hsCodecEntry() : fPriority(0), fCodec(nil) { }
        hsCodecEntry(float p, hsCodec *c) : fPriority(p), fCodec(c) { }

        float                fPriority;
        hsCodec                 *fCodec;
    };

    struct hsCodecList
    {
        hsCodecList() : fCompressionFormat(0) { }
        hsCodecList(uint32_t f) : fCompressionFormat(f) { }

        uint32_t                  fCompressionFormat;
        hsTArray<hsCodecEntry>  fCodecList;
    };

    hsTArray<hsCodecList>       fCodecTable;
};

#endif // hsCodecManager_inc