mcommon.h

#ifndef MINICOMMON_H
#define MINICOMMON_H

#if defined (WIN32) 

#ifdef __MGNCS_LIB__
        #define MGNCS_EXPORT       __declspec(dllexport)
#else
        #define MGNCS_EXPORT       __declspec(dllimport)
#endif
#else
        #define MGNCS_EXPORT       
#endif

typedef struct Allocator{
        void *(*alloc)(void* pold, size_t new_size);
        size_t (*getsize)(void* p);
        void (*free)(void* p);
}Allocator;

Allocator * ncsGetDefaultAllocator(void);


enum enumNCSAlign{
        NCS_ALIGN_LEFT = 0,
        NCS_ALIGN_RIGHT,
        NCS_ALIGN_CENTER
};

enum enumNCSVAlign{
        NCS_VALIGN_TOP = 0,
        NCS_VALIGN_BOTTOM,
        NCS_VALIGN_CENTER
};

enum enumNCSImageDrawMode{
        NCS_DM_NORMAL = 0,
        NCS_DM_SCALED,
        NCS_DM_TILED
};

//support alloca
#ifdef HAVE_ALLOCA
#define ALLOCA(size)  alloca(size)
#define FREEA(p)
#else
#define ALLOCA(size) malloc(size)
#define FREEA(p) free(p)
#endif

MGNCS_EXPORT void ncsDrawImage(HDC hdc, PBITMAP pbmp, const RECT * rc, int mode, int align, int valign);

#define IMG_TYPE_UNKNOWN  0
#define IMG_TYPE_BITMAP   1
#define IMG_TYPE_ICON     2
#define IMG_TYPE_MYBITMAP 4

#define IMG_FLAG_IGNORE   0
#define IMG_FLAG_UNLOAD   1
#define IMG_FLAG_RELEASE_RES  2
typedef struct _ImageDrawInfo{
        unsigned char img_type;
        unsigned char flag;
        unsigned char drawMode;
        unsigned char revert;
        union{
                PBITMAP pbmp;
                HICON hIcon;
                PMYBITMAP pmybmp;
                RES_KEY key;
        }img;
}ImageDrawInfo;

MGNCS_EXPORT void ncsInitDrawInfo(ImageDrawInfo *idi);

MGNCS_EXPORT void ncsCleanImageDrawInfo(ImageDrawInfo * idi);

MGNCS_EXPORT BOOL ncsSetImageDrawInfoByFile(ImageDrawInfo *idi, const char* image_file, int drawMode, BOOL bas_mybitmp);

MGNCS_EXPORT BOOL ncsSetImageDrawInfoByRes(ImageDrawInfo *idi, RES_KEY key, int drawMode, int res_type);

MGNCS_EXPORT BOOL ncsSetImageDrawInfo(ImageDrawInfo *idi, void* pimg, int drawMode, int img_type);


MGNCS_EXPORT void ncsImageDrawInfoDraw(ImageDrawInfo *idi, HDC hdc, const RECT* prc, int align, int valign);

MGNCS_EXPORT BOOL ncsImageDrawInfoGetImageSize(ImageDrawInfo *idi, int *px, int *py);

#endif