SDL_Pango.h

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/*  SDL_Pango.h -- A companion library to SDL for working with Pango.
    Copyright (C) 2004 NAKAMURA Ken'ichi

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
*/

#ifndef SDL_PANGO_H
#define SDL_PANGO_H

#include "SDL.h"

#include "begin_code.h"

#ifdef __cplusplus
extern "C" {
#endif



typedef struct _contextImpl SDLPango_Context;

typedef struct _SDLPango_Matrix {
    Uint8 m[4][4];  
} SDLPango_Matrix;

const SDLPango_Matrix _MATRIX_WHITE_BACK
    = {255, 0, 0, 0,
       255, 0, 0, 0,
       255, 0, 0, 0,
       255, 255, 0, 0,};

const SDLPango_Matrix *MATRIX_WHITE_BACK = &_MATRIX_WHITE_BACK;

const SDLPango_Matrix _MATRIX_BLACK_BACK
    = {0, 255, 0, 0,
       0, 255, 0, 0,
       0, 255, 0, 0,
       255, 255, 0, 0,};
const SDLPango_Matrix *MATRIX_BLACK_BACK = &_MATRIX_BLACK_BACK;

const SDLPango_Matrix _MATRIX_TRANSPARENT_BACK_BLACK_LETTER
    = {0, 0, 0, 0,
       0, 0, 0, 0,
       0, 0, 0, 0,
       0, 255, 0, 0,};
const SDLPango_Matrix *MATRIX_TRANSPARENT_BACK_BLACK_LETTER = &_MATRIX_TRANSPARENT_BACK_BLACK_LETTER;

const SDLPango_Matrix _MATRIX_TRANSPARENT_BACK_WHITE_LETTER
    = {255, 255, 0, 0,
       255, 255, 0, 0,
       255, 255, 0, 0,
       0, 255, 0, 0,};
const SDLPango_Matrix *MATRIX_TRANSPARENT_BACK_WHITE_LETTER = &_MATRIX_TRANSPARENT_BACK_WHITE_LETTER;

const SDLPango_Matrix _MATRIX_TRANSPARENT_BACK_TRANSPARENT_LETTER
    = {255, 255, 0, 0,
       255, 255, 0, 0,
       255, 255, 0, 0,
       0, 0, 0, 0,};
const SDLPango_Matrix *MATRIX_TRANSPARENT_BACK_TRANSPARENT_LETTER = &_MATRIX_TRANSPARENT_BACK_TRANSPARENT_LETTER;

typedef enum {
    SDLPANGO_DIRECTION_LTR, 
    SDLPANGO_DIRECTION_RTL, 
    SDLPANGO_DIRECTION_WEAK_LTR,    
    SDLPANGO_DIRECTION_WEAK_RTL,    
    SDLPANGO_DIRECTION_NEUTRAL  
} SDLPango_Direction;



extern DECLSPEC int SDLCALL SDLPango_Init();

extern DECLSPEC int SDLCALL SDLPango_WasInit();

extern DECLSPEC SDLPango_Context* SDLCALL SDLPango_CreateContext();

extern DECLSPEC void SDLCALL SDLPango_FreeContext(
    SDLPango_Context *context);

extern DECLSPEC void SDLCALL SDLPango_SetSurfaceCreateArgs(
    SDLPango_Context *context,
    Uint32 flags,
    int depth,
    Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);

extern DECLSPEC SDL_Surface * SDLCALL SDLPango_CreateSurfaceDraw(
    SDLPango_Context *context);

extern DECLSPEC void SDLCALL SDLPango_Draw(
    SDLPango_Context *context,
    SDL_Surface *surface,
    int x, int y);

extern DECLSPEC void SDLCALL SDLPango_SetDpi(
    SDLPango_Context *context,
    double dpi_x, double dpi_y);

extern DECLSPEC void SDLCALL SDLPango_SetMinimumSize(
    SDLPango_Context *context,
    int width, int height);

extern DECLSPEC void SDLCALL SDLPango_SetDefaultColor(
    SDLPango_Context *context,
    const SDLPango_Matrix *color_matrix);

extern DECLSPEC int SDLCALL SDLPango_GetLayoutWidth(
    SDLPango_Context *context);

extern DECLSPEC int SDLCALL SDLPango_GetLayoutHeight(
    SDLPango_Context *context);

extern DECLSPEC void SDLCALL SDLPango_SetMarkup(
    SDLPango_Context *context,
    const char *markup,
    int length);

extern DECLSPEC void SDLCALL SDLPango_SetText(
    SDLPango_Context *context,
    const char *markup,
    int length);

extern DECLSPEC void SDLCALL SDLPango_SetLanguage(
    SDLPango_Context *context,
    const char *language_tag);

extern DECLSPEC void SDLCALL SDLPango_SetBaseDirection(
    SDLPango_Context *context,
    SDLPango_Direction direction);


#ifdef __FT2_BUILD_UNIX_H__

extern DECLSPEC void SDLCALL SDLPango_CopyFTBitmapToSurface(
    const FT_Bitmap *bitmap,
    SDL_Surface *surface,
    const SDLPango_Matrix *matrix,
    SDL_Rect *rect);

#endif  /* __FT2_BUILD_UNIX_H__ */


#ifdef __PANGO_H__

extern DECLSPEC PangoFontMap* SDLCALL SDLPango_GetPangoFontMap(
    SDLPango_Context *context);

extern DECLSPEC PangoFontDescription* SDLCALL SDLPango_GetPangoFontDescription(
    SDLPango_Context *context);

extern DECLSPEC PangoLayout* SDLCALL SDLPango_GetPangoLayout(
    SDLPango_Context *context);

#endif /* __PANGO_H__ */


#ifdef __cplusplus
}
#endif

#include "close_code.h"

#endif  /* SDL_PANGO_H */

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