gdi.h

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#define PIXEL_cyan          SysPixelIndex[14]
#define PIXEL_lightwhite    SysPixelIndex[15]
#define PIXEL_black         SysPixelIndex[16]

// Compatiblity definitions
#define COLOR_invalid       PIXEL_invalid
#define COLOR_transparent   PIXEL_transparent
#define COLOR_darkred       PIXEL_darkred
#define COLOR_darkgreen     PIXEL_darkgreen
#define COLOR_darkyellow    PIXEL_darkyellow
#define COLOR_darkblue      PIXEL_darkbule
#define COLOR_darkmagenta   PIXEL_darkmagenta
#define COLOR_darkcyan      PIXEL_darkcyan
#define COLOR_lightgray     PIXEL_lightgray
#define COLOR_darkgray      PIXEL_darkgray
#define COLOR_red           PIXEL_red
#define COLOR_green         PIXEL_green
#define COLOR_yellow        PIXEL_yellow
#define COLOR_blue          PIXEL_blue
#define COLOR_magenta       PIXEL_magenta
#define COLOR_cyan          PIXEL_cyan
#define COLOR_lightwhite    PIXEL_lightwhite
#define COLOR_black         PIXEL_black

#define SysColorIndex       SysPixelIndex

#define SCREENHDC           0
#define HDC_SCREEN          SCREENHDC
#define HDC_INVALID         0

#define GDCAP_COLORNUM      0
#define GDCAP_HPIXEL        1
#define GDCAP_VPIXEL        2
#define GDCAP_MAXX          3
#define GDCAP_MAXY          4
#define GDCAP_DEPTH         5
#define GDCAP_BPP           6

int GUIAPI GetGDCapability (HDC hdc, int iItem);

// Get and release DC
HDC GUIAPI GetDC (HWND hwnd);
HDC GUIAPI GetClientDC (HWND hwnd);
void GUIAPI ReleaseDC (HDC hdc);
HDC GUIAPI CreateCompatibleDC (HDC hdc);
void GUIAPI DeleteCompatibleDC (HDC hdc);
HDC GUIAPI CreatePrivateDC (HWND hwnd);
HDC GUIAPI CreatePrivateClientDC (HWND hwnd);
HDC GUIAPI GetPrivateClientDC (HWND hwnd);
void GUIAPI DeletePrivateDC (HDC hdc);

// General drawing attributes
#define BM_TRANSPARENT        1
#define BM_OPAQUE             0
gal_pixel GUIAPI GetBkColor (HDC hdc);
int GUIAPI GetBkMode (HDC hdc);
gal_pixel GUIAPI GetTextColor (HDC hdc);
gal_pixel GUIAPI SetBkColor (HDC hdc, gal_pixel color);
int GUIAPI SetBkMode (HDC hdc, int bkmode);
gal_pixel GUIAPI SetTextColor (HDC hdc, gal_pixel color);

int GUIAPI GetTabStop (HDC hdc);
int GUIAPI SetTabStop (HDC hdc, int new_value);

// Pen and brush support
#define PT_SOLID    0
#define BT_SOLID    0
gal_pixel GUIAPI GetPenColor (HDC hdc);
gal_pixel GUIAPI GetBrushColor (HDC hdc);
int GUIAPI GetPenType (HDC hdc);
int GUIAPI GetBrushType (HDC hdc);
gal_pixel GUIAPI SetPenColor (HDC hdc, gal_pixel color);
gal_pixel GUIAPI SetBrushColor (HDC hdc, gal_pixel color);
int GUIAPI SetPenType (HDC hdc, int pentype);
int GUIAPI SetBrushType (HDC hdc, int brushtype);

// General drawing support
void GUIAPI SetPixel (HDC hdc, int x, int y, gal_pixel c);
void GUIAPI SetPixelRGB (HDC hdc, int x, int y, int r, int g, int b);
gal_pixel GUIAPI GetPixel (HDC hdc, int x, int y);
void GUIAPI GetPixelRGB (HDC hdc, int x, int y, int* r, int* g, int* b);
gal_pixel GUIAPI RGB2Pixel (HDC hdc, int r, int g, int b);

#define RGB2Index RGB2Pixel

void GUIAPI LineTo (HDC hdc, int x, int y);
void GUIAPI MoveTo (HDC hdc, int x, int y);

void GUIAPI Circle (HDC hdc, int x, int y, int r);
void GUIAPI Rectangle (HDC hdc, int x0, int y0, int x1, int y1);

void GUIAPI FocusRect (HDC hdc, int x0, int y0, int x1, int y1);

// Mapping suport 
#define MM_TEXT               0
#define MM_ANISOTROPIC        1
int GUIAPI GetMapMode (HDC hdc);
void GUIAPI GetViewportExt (HDC hdc, POINT* pPt);
void GUIAPI GetViewportOrg (HDC hdc, POINT* pPt);
void GUIAPI GetWindowExt (HDC hdc, POINT* pPt);
void GUIAPI GetWindowOrg (HDC hdc, POINT* pPt);
void GUIAPI SetMapMode (HDC hdc, int mapmode);
void GUIAPI SetViewportExt (HDC hdc, POINT* pPt);
void GUIAPI SetViewportOrg (HDC hdc, POINT* pPt);
void GUIAPI SetWindowExt (HDC hdc, POINT* pPt);
void GUIAPI SetWindowOrg (HDC hdc, POINT* pPt);

// Coordinate system transfer
void GUIAPI DPtoLP (HDC hdc, POINT* pPt);
void GUIAPI LPtoDP (HDC hdc, POINT* pPt);

// Clipping support
void GUIAPI ExcludeClipRect (HDC hdc, int left, int top, 
                            int right, int bottom);
void GUIAPI IncludeClipRect (HDC hdc, int left, int top, 
                              int right, int bottom);
void GUIAPI ClipRectIntersect (HDC hdc, const RECT* prc);
void GUIAPI SelectClipRect (HDC hdc, const RECT* prc);
void GUIAPI SelectClipRegion (HDC hdc, const CLIPRGN* pRgn);
void GUIAPI GetBoundsRect (HDC hdc, RECT* pRect);
BOOL GUIAPI PtVisible (HDC hdc, const POINT* pPt);
BOOL GUIAPI RectVisible (HDC hdc, const RECT* pRect);

// Bitmap support
void GUIAPI SaveScreenBox (int x, int y, int w, int h, void* vbuf);
void* GUIAPI SaveCoveredScreenBox (int x, int y, int w, int h);
#ifdef _MISC_SAVESCREEN
BOOL GUIAPI SaveMainWindowContent (HWND hWnd, const char* filename);
#endif
void GUIAPI PutSavedBoxOnScreen (int x, int y, int w, int h, void* vbuf);
void GUIAPI PutSavedBoxOnDC (HDC hdc, int x, int y, int w, int h, void* vbuf);

void GUIAPI ScreenCopy (int sx, int sy, HDC hdc, int dx, int dy);

void GUIAPI FillBox (HDC hdc, int x, int y, int w, int h);
void GUIAPI FillBoxWithBitmap (HDC hdc, int x, int y, int w, int h,
                              PBITMAP pBitmap);
void GUIAPI FillBoxWithBitmapPart (HDC hdc, int x, int y, int w, int h,
                              int bw, int bh, PBITMAP pBitmap, int xo, int yo);
void GUIAPI BitBlt (HDC hsdc, int sx, int sy, int sw, int sh, 
                   HDC hddc, int dx, int dy, DWORD dwRop);
void GUIAPI StretchBlt (HDC hsdc, int sx, int sy, int sw, int sh, 
                       HDC hddc, int dx, int dy, int dw, int dh, DWORD dwRop);

// Icon support
HICON GUIAPI LoadIconFromFile (HDC hdc, const char* filename, int which);
HICON GUIAPI CreateIcon (HDC hdc, int w, int h, 
                        const BYTE* AndBits, const BYTE* XorBits, int colornum);
BOOL GUIAPI DestroyIcon (HICON hicon);
void GUIAPI DrawIcon (HDC hdc, int x, int y, int w, int h, HICON hicon);

// Rectangle support 
void GUIAPI SetRect (RECT* prc, int left, int top, int right, int bottom);
void GUIAPI SetRectEmpty (RECT* prc);
void GUIAPI CopyRect (RECT* pdrc, const RECT* psrc);
BOOL GUIAPI IsRectEmpty (const RECT* prc);
BOOL GUIAPI EqualRect (const RECT* prc1, const RECT* prc2);
void GUIAPI NormalizeRect (RECT* pRect);
BOOL GUIAPI IntersectRect (RECT* pdrc, const RECT* psrc1, const RECT* psrc2);
BOOL GUIAPI IsCovered (const RECT* prc1, const RECT* prc2);
BOOL GUIAPI DoesIntersect (const RECT* psrc1, const RECT* psrc2);
BOOL GUIAPI UnionRect (RECT* pdrc, const RECT* psrc1, const RECT* psrc2);
void GUIAPI GetBoundRect (PRECT pdrc,  const RECT* psrc1, const RECT* psrc2);
int GUIAPI SubtractRect (RECT* rc, const RECT* psrc1, const RECT* psrc2);
void GUIAPI OffsetRect (RECT* prc, int x, int y);
void GUIAPI InflateRect (RECT* prc, int cx, int cy);
void GUIAPI InflateRectToPt (RECT* prc, int x, int y);
BOOL GUIAPI PtInRect (const RECT* prc, int x, int y);

#define RECTWP(prc)  (prc->right - prc->left)
#define RECTHP(prc)  (prc->bottom - prc->top)
#define RECTW(rc)    (rc.right - rc.left)
#define RECTH(rc)    (rc.bottom - rc.top)

// System font support
const char* GUIAPI GetSysCharset (void);
BOOL GUIAPI DoesSupportCharset (const char* charset);

int GUIAPI SetSysCharset (const char* charset);
int GUIAPI GetSysCharWidth (void);
int GUIAPI GetSysCCharWidth (void);
int GUIAPI GetSysCharHeight (void);
void GUIAPI GetSysTabbedTextExtent (const char* spText, SIZE* pSize);

// Compatiblity definitions
#define GetCharWidth GetSysCharWidth
#define GetCCharWidth GetSysCCharWidth
#define GetCharHeight GetSysCharHeight

// Font support
#define INV_LOGFONT     0

PLOGFONT GUIAPI CreateLogFont (const char* type, const char* family, 
        const char* charset, char weight, char slant, char set_width, 
        char spacing, char underline, char struckout, 
	int size, int rotation);
PLOGFONT GUIAPI CreateLogFontIndirect (LOGFONT* logfont);
void GUIAPI DestroyLogFont (PLOGFONT log_font);

void GUIAPI GetLogFontInfo (HDC hdc, LOGFONT* log_font);

#define SYSLOGFONT_DEFAULT          0
PLOGFONT GUIAPI GetSystemFont (int font_id);

PLOGFONT GUIAPI GetCurFont (HDC hdc);
PLOGFONT GUIAPI SelectFont (HDC hdc, PLOGFONT log_font);

// Text parse support
int GUIAPI GetTextMCharInfo (PLOGFONT log_font, const char* mstr, int len, 
                int* pos_chars);
int GUIAPI GetTextWordInfo (PLOGFONT log_font, const char* mstr, int len, 
                int* pos_words, WORDINFO* info_words);
int GUIAPI GetFirstMCharLen (PLOGFONT log_font, const char* mstr, int len);
int GUIAPI GetFirstWord (PLOGFONT log_font, const char* mstr, int len,
		                    WORDINFO* word_info);


int GUIAPI GetTextExtentPoint (HDC hdc, const char* text, int len, int max_extent, 
                int* fit_chars, int* pos_chars, int* dx_chars, SIZE* size);

// Text output support
int GUIAPI GetFontHeight (HDC hdc);
int GUIAPI GetMaxFontWidth (HDC hdc);
void GUIAPI GetTextExtent (HDC hdc, const char* spText, int len, SIZE* pSize);
void GUIAPI GetTabbedTextExtent (HDC hdc, const char* spText, int len, SIZE* pSize);

int GUIAPI GetTextCharacterExtra (HDC hdc);
int GUIAPI SetTextCharacterExtra (HDC hdc, int extra);
int GUIAPI GetTextAboveLineExtra (HDC hdc);
int GUIAPI SetTextAboveLineExtra (HDC hdc, int extra);
int GUIAPI GetTextBellowLineExtra (HDC hdc);
int GUIAPI SetTextBellowLineExtra (HDC hdc, int extra);

int GUIAPI TextOutLen (HDC hdc, int x, int y, const char* spText, int len);
int GUIAPI TabbedTextOutLen (HDC hdc, int x, int y, const char* spText, int len); 
int GUIAPI TabbedTextOutEx (HDC hdc, int x, int y, const char* spText, int nCount,
            int nTabPositions, int *pTabPositions, int nTabOrigin);
void GUIAPI GetLastTextOutPos (HDC hdc, POINT* pt);

// Compatiblity definitions
#define TextOut(hdc, x, y, text)    TextOutLen (hdc, x, y, text, -1)
#define TabbedTextOut(hdc, x, y, text)  TabbedTextOutLen (hdc, x, y, text, -1)

#define DT_TOP              0x00000000
#define DT_LEFT             0x00000000
#define DT_CENTER           0x00000001
#define DT_RIGHT            0x00000002
#define DT_VCENTER          0x00000004
#define DT_BOTTOM           0x00000008
#define DT_WORDBREAK        0x00000010
#define DT_SINGLELINE       0x00000020
#define DT_EXPANDTABS       0x00000040
#define DT_TABSTOP          0x00000080
#define DT_NOCLIP           0x00000100
#define DT_EXTERNALLPADING  0x00000200
#define DT_CALCRECT         0x00000400
#define DT_NOPREFIX         0x00000800
#define DT_INTERNAL         0x00001000
int GUIAPI DrawTextEx (HDC hdc, const char* pText, int nCount, 
                RECT* pRect, int nIndent, UINT nFormat);
#define DrawText(hdc, text, n, rc, format)      DrawTextEx (hdc, text, n, rc, 0, format)

/************************** Bitmap file load/save support ******************/
#define BMP_FLOW_DOWN   1
#define BMP_FLOW_UP     2

#define LOADBMP_FLAG_GRAYSCALE  0x00000001
#define LOADBMP_FLAG_NONE       0x00000000

#define RGB_ORDER_RGB   0
#define RGB_ORDER_BGR   1

typedef struct tagMYBITMAP
{
    int depth;
    int w, h;
    int size;
    int pitch;
    int frames;
    int flow;
    int rgb_order;
    int transparent;
    BYTE* bits;

    DWORD flags;
} MYBITMAP;

#include <stdio.h>
BOOL GUIAPI RegisterBitmapFileType (const char *ext,
            int (*load) (FILE* fp, MYBITMAP *bmp, RGB *pal),
            int (*save) (FILE* fp, MYBITMAP *bmp, RGB *pal));

#define ERR_BMP_OK              0
#define ERR_BMP_IMAGE_TYPE      -1
#define ERR_BMP_UNKNOWN_TYPE    -2
#define ERR_BMP_CANT_READ       -3
#define ERR_BMP_CANT_SAVE       -4
#define ERR_BMP_NOT_SUPPORTED   -5   
#define ERR_BMP_MEM             -6
#define ERR_BMP_LOAD            -7
#define ERR_BMP_FILEIO          -8
#define ERR_BMP_OTHER           -9
int GUIAPI LoadBitmap (HDC hdc, PBITMAP pBitmap, const char* spFileName);
#ifdef _SAVE_BITMAP
int GUIAPI SaveBitmap (HDC hdc, PBITMAP pBitmap, const char* spFileName);
#endif
void GUIAPI UnloadBitmap (PBITMAP pBitmap);

void GUIAPI ExpandMonoBitmap (HDC hdc, int w, int h, const BYTE* bits, int bits_flow, int pitch, 
                             BYTE* bitmap, int bg, int fg);
void GUIAPI Expand16CBitmap (HDC hdc, int w, int h, const BYTE* bits, int bits_flow, int pitch,
                            BYTE* bitmap, RGB* pal);
void GUIAPI Expand256CBitmap (HDC hdc, int w, int h, const BYTE* bits, int bits_flow, int pitch,
                             BYTE* bitmap, RGB* pal);
void GUIAPI CompileRGBBitmap (HDC hdc, int w, int h, const BYTE* bits, int bits_flow, int pitch,
                             BYTE* bitmap, int rgb_order);

void GUIAPI ReplaceBitmapColor (HDC hdc, PBITMAP pBitmap, int iOColor, int iNColor);

/*********** old GIF and JPG support routines *******************************/
#ifdef _OLD_NATIVE_GIFJPG
int GUIAPI CreateBitmapFromGIFFile (HDC hdc, PBITMAP pBitmap, const char* filename);
int GUIAPI CreateBitmapFromGIFMemory (HDC hdc, PBITMAP pBitmap, 
                void* buffer, int buffer_length);

int GUIAPI CreateBitmapFromJPGFile (HDC hdc, PBITMAP pBitmap, const char* filename);
int GUIAPI CreateBitmapFromJPGMemory (HDC hdc, PBITMAP pBitmap, 
                void* buffer, int buffer_length);
#endif

#ifdef __cplusplus
}
#endif  /* __cplusplus */

#endif  /* GUI_GDI_H */