view/trunk/CPixelbit.h

#ifndef CPIXELBIT_H_INCLUDED
#define CPIXELBIT_H_INCLUDED

#include <windows.h>

//#define ENABLE_SPECIFIC_STAMP //      特殊スタンプを使う
//#define ENABLE_RECT_BOUNDARY  //      領域制限を使う

/*
 *      DIB ビットマップ管理クラス
 */
class CPixelbit{
private:
        static HMODULE ms_hMSIMG32;
        static BOOL (WINAPI *ms_TransBlt)(HDC, int, int, int, int, HDC, int, int, int, int, UINT);
        int m_Width;                    //      幅
        int m_Height;                   //      高さ
#ifdef ENABLE_RECT_BOUNDARY
        int m_BoundLeft;                //      描画制限領域左 X (内)
        int m_BoundTop;                 //      描画制限領域上 Y (内)
        int m_BoundRight;               //      描画制限領域右 X (外)
        int m_BoundBottom;              //      描画制限領域下 Y (外)
#endif
        DWORD m_BitsPerPixel;   //      ピクセル当たりビット数
        DWORD m_BytesPerPixel;  //      ピクセル当たりバイト数
        DWORD m_BytesPerLine;   //      1行あたりバイト数
        DWORD m_DwordsPerLine;  //      1行あたりDWORD数
        DWORD m_ColorKey;               //      透過色
        HBITMAP m_BmpHnd;               //      ビットマップハンドル
        HBITMAP m_BmpHndOld;    //      ビットマップハンドル
        HDC m_BmpHdc;                   //      デバイスコンテキスト
        BITMAPINFO m_BmpInfo;   //      ビットマップヘッダ
        PDWORD m_PixelAdr;              //      画像データのアドレス
public:
        static BOOL InitExtFunc();
        static void FreeExtFunc();
        CPixelbit();
        CPixelbit(int, int);
        ~CPixelbit();

        LPBITMAPINFO GetBmpInfo(){ return &m_BmpInfo; }

        BOOL Clear(int w, int h, int sbit = 32);
        int Load(char *);
        BOOL Save(char *, int);
        int PasteFromClipboard(HWND);
        BOOL CopyToClipboard(HWND, int);
        BOOL Assign(PBYTE);
        void Set4PAL1(int, int, PBYTE);
        void Set4PAL4(int, int, PBYTE);
        void Set4PAL8(int, int, PBYTE);
        void Set4BGR24(int, int, PBYTE);
        void Set4BGR32(int, int, PBYTE);
        void PrepareDIB(PBYTE, int, int);

        //      CPixelbitPNG.cpp
        int LoadPNG(char *, double *, bool *);
        BOOL SavePNG(char *, int, double);

        //      inline
        DWORD GetBytesPerPixel() const { return m_BytesPerPixel; }
        DWORD GetBytesPerLine() const { return m_BytesPerLine; }
        int GetWidth() const { return m_Width; }
        int GetHeight() const { return m_Height; }
        int Index(int x, int y) const { return x+y*m_Width; } // for 32bit only
        HDC GetHDC(){ return m_BmpHdc; }
        BOOL CheckSize(CPixelbit *img){
                return m_Width==img->m_Width && m_Height==img->m_Height;
        }
        BOOL CheckSize(int w, int h){
                return m_Width==w && m_Height==h;
        }
        BOOL CheckRect(int x, int y){
                return 0<=x && x<m_Width && 0<=y && y<m_Height;
        }
        DWORD GetPixel(int x, int y){ // for 32bit only
                return m_PixelAdr[Index(x, y)];
        }
        void SetPixel(int x, int y, DWORD color){ // for 32bit only
                m_PixelAdr[Index(x, y)] = color;
        }
        PBYTE GetByteAdr(int x, int y){ // for 32bit only
                return (PBYTE)(&m_PixelAdr[Index(x, y)]);
        }
        PDWORD GetScanLine(int y){
                return m_PixelAdr+m_DwordsPerLine*y;
        }
        DWORD GetColorKey(){
                return m_ColorKey;
        }
        void SetColorKey(DWORD col){
                m_ColorKey = col;
        }

        //      CPixelbitStamp.cpp
#ifdef ENABLE_RECT_BOUNDARY
        void ResetBoundary();
        void SetBoundary(int, int, int, int);
#endif
        void ResetAlphaChannel(BYTE);
        BOOL FixLocation(CPixelbit *, int *, int *, int *, int *, int *, int *);
        BOOL WindowStamp(HDC hdcDst, int, int, int, int, int, int);
        BOOL PlainStamp(CPixelbit *, int, int, int, int, int, int);
        BOOL PlainStamp32(CPixelbit *, int, int, int, int, int, int);
        BOOL AlphaBlendStamp(CPixelbit *, int, int, int, int, int, int);
        BOOL StretchStamp(CPixelbit *, int, int, int, int, int, int, int, int, int);
        BOOL BilinearStamp(CPixelbit *, int, int, int, int, int, int, int, int);
        BOOL NearestStamp(CPixelbit *, int, int, int, int, int, int, int, int);
#ifdef ENABLE_SPECIFIC_STAMP
        BOOL DarkStamp(CPixelbit *, int, int, int, int, int, int);
        BOOL LightStamp(CPixelbit *, int, int, int, int, int, int);
        BOOL HalfStamp(CPixelbit *, int, int, int, int, int, int);
        BOOL DarkHalfStamp(CPixelbit *, int, int, int, int, int, int);
        BOOL LightHalfStamp(CPixelbit *, int, int, int, int, int, int);
        BOOL RedStamp(CPixelbit *, int, int, int, int, int, int);
        BOOL GreenStamp(CPixelbit *, int, int, int, int, int, int);
        BOOL BlueStamp(CPixelbit *, int, int, int, int, int, int);
        BOOL ColorStamp(CPixelbit *, int, int, int, int, int, int, DWORD);
        BOOL AlphaStamp(CPixelbit *, int, int, int, int, int, int, int);
        BOOL AlphaColorStamp(CPixelbit *, int, int, int, int, int, int, DWORD, int);
        BOOL AddStamp(CPixelbit *, int, int, int, int, int, int, int);
        BOOL AddColorStamp(CPixelbit *, int, int, int, int, int, int, DWORD, int);
        BOOL SubStamp(CPixelbit *, int, int, int, int, int, int, int);
        BOOL SubColorStamp(CPixelbit *, int, int, int, int, int, int, DWORD, int);
#endif

        //      CPixelbitDraw.cpp
        void DrawRect(int, int, int, int, DWORD);
        void FillRect(int, int, int, int, DWORD);
        void DrawLine(int, int, int, int, DWORD);
        void BoldLine(int, int, int, int, DWORD);
        BOOL CreateAAText(int, int, char *, HFONT, DWORD, int);
        void GradRectH(int, int, int, int, DWORD, DWORD);
        void GradRectV(int, int, int, int, DWORD, DWORD);

        //      CPixelbitEffect.cpp
        void Nega();
        void Monotone(DWORD);
        void Darkness(int);
        void Lightness(int);

        //      CPixelbitCrypt.cpp
        static unsigned int EncodePassword(char *);
        void Encode(char *);
        void Decode(char *);
};

//      関数宣言
POINT MakePoint(int, int);
RECT MakeRect(int, int, int, int);
void RGBtoHSV(BYTE, BYTE, BYTE, int *, int *, int *);

/*
 *      輝度値をk 0〜255 で丸める
 */
inline BYTE FixCV(int v){ return v<0 ? 0 : (v>255 ? 255 : v); }

/*
 *      DWORD に RGB をまとめる
 *
 *      戻り値: 色
 */
inline DWORD MakePixel(
        BYTE r, BYTE g, BYTE b  //      RGB 色
){
        return (r<<16)|(g<<8)|b;
}

/*
 *      DWORD に RGB をまとめる
 *
 *      戻り値: 色
 */
inline DWORD MakePixelA(
        BYTE a, BYTE r, BYTE g, BYTE b  //      RGB 色
){
        return (a<<24)|(r<<16)|(g<<8)|b;
}

/*
 *      R と B を入れ替える
 *
 *      戻り値: 色
 */
inline DWORD RGBtoBGR(
        DWORD c //      色
){
        return (c&0xff00ff00)|((c&0x00ff0000)>>16)|((c&0x000000ff)<<16);
}

/*
 *      DWORD を RGB に分解
 */
inline void SplitColor(
        DWORD c,                                //      分解する色
        int *r, int *g, int *b  //      代入先
){
        *r = (c&0x00ff0000)>>16;
        *g = (c&0x0000ff00)>>8;
        *b = c&0x000000ff;
}

/*
 *      DWORD を ARGB に分解
 */
inline void SplitColorA(
        DWORD c,                                                //      分解する色
        int *a, int *r, int *g, int *b  //      代入先
){
        *a = (c&0xff000000)>>24;
        *r = (c&0x00ff0000)>>16;
        *g = (c&0x0000ff00)>>8;
        *b = c&0x000000ff;
}

/*
 *      RGB を Y に変換 (RGB 入力)
 *
 *      戻り値: Y 値
 */
inline int BlackScale(BYTE r, BYTE g, BYTE b){
        return (int)(r*0.298912f+g*0.586610f+b*0.114478f);
}

/*
 *      RGB を Y に変換 (DWORD 入力)
 *
 *      戻り値: Y 値
 */
inline int BlackScale(DWORD c){
        return (int)(((c&0x00ff0000)>>16)*0.298912f
                +((c&0x0000ff00)>>8)*0.586610f+(c&0x000000ff)*0.114478f);
}

/*
 *      RGB を Y に変換
 *
 *      戻り値: Y 値 (最大値 256)
 */
inline int BlackScale256(DWORD c){
        return (int)(((c&0x00ff0000)>>16)*0.300084f
                +((c&0x0000ff00)>>8)*0.5889104f+(c&0x000000ff)*0.114927f);
}

#ifndef ENABLE_RECT_BOUNDARY
#define m_BoundLeft             0
#define m_BoundTop              0
#define m_BoundRight    m_Width
#define m_BoundBottom   m_Height
#endif

#endif