forked from minhngoc25a/freetype2
145 lines
5.3 KiB
C
145 lines
5.3 KiB
C
/***************************************************************************/
|
|
/* */
|
|
/* cf2glue.h */
|
|
/* */
|
|
/* Adobe's code for shared stuff (specification only). */
|
|
/* */
|
|
/* Copyright 2007-2013 Adobe Systems Incorporated. */
|
|
/* */
|
|
/* This software, and all works of authorship, whether in source or */
|
|
/* object code form as indicated by the copyright notice(s) included */
|
|
/* herein (collectively, the "Work") is made available, and may only be */
|
|
/* used, modified, and distributed under the FreeType Project License, */
|
|
/* LICENSE.TXT. Additionally, subject to the terms and conditions of the */
|
|
/* FreeType Project License, each contributor to the Work hereby grants */
|
|
/* to any individual or legal entity exercising permissions granted by */
|
|
/* the FreeType Project License and this section (hereafter, "You" or */
|
|
/* "Your") a perpetual, worldwide, non-exclusive, no-charge, */
|
|
/* royalty-free, irrevocable (except as stated in this section) patent */
|
|
/* license to make, have made, use, offer to sell, sell, import, and */
|
|
/* otherwise transfer the Work, where such license applies only to those */
|
|
/* patent claims licensable by such contributor that are necessarily */
|
|
/* infringed by their contribution(s) alone or by combination of their */
|
|
/* contribution(s) with the Work to which such contribution(s) was */
|
|
/* submitted. If You institute patent litigation against any entity */
|
|
/* (including a cross-claim or counterclaim in a lawsuit) alleging that */
|
|
/* the Work or a contribution incorporated within the Work constitutes */
|
|
/* direct or contributory patent infringement, then any patent licenses */
|
|
/* granted to You under this License for that Work shall terminate as of */
|
|
/* the date such litigation is filed. */
|
|
/* */
|
|
/* By using, modifying, or distributing the Work you indicate that you */
|
|
/* have read and understood the terms and conditions of the */
|
|
/* FreeType Project License as well as those provided in this section, */
|
|
/* and you accept them fully. */
|
|
/* */
|
|
/***************************************************************************/
|
|
|
|
|
|
#ifndef __CF2GLUE_H__
|
|
#define __CF2GLUE_H__
|
|
|
|
|
|
/* common includes for other modules */
|
|
#include "cf2error.h"
|
|
#include "cf2fixed.h"
|
|
#include "cf2arrst.h"
|
|
#include "cf2read.h"
|
|
|
|
|
|
FT_BEGIN_HEADER
|
|
|
|
|
|
/* rendering parameters */
|
|
|
|
/* apply hints to rendered glyphs */
|
|
#define CF2_FlagsHinted 1
|
|
/* for testing */
|
|
#define CF2_FlagsDarkened 2
|
|
|
|
/* type for holding the flags */
|
|
typedef CF2_Int CF2_RenderingFlags;
|
|
|
|
|
|
/* elements of a glyph outline */
|
|
typedef enum CF2_PathOp_
|
|
{
|
|
CF2_PathOpMoveTo = 1, /* change the current point */
|
|
CF2_PathOpLineTo = 2, /* line */
|
|
CF2_PathOpQuadTo = 3, /* quadratic curve */
|
|
CF2_PathOpCubeTo = 4 /* cubic curve */
|
|
|
|
} CF2_PathOp;
|
|
|
|
|
|
/* a matrix of fixed point values */
|
|
typedef struct CF2_Matrix_
|
|
{
|
|
CF2_F16Dot16 a;
|
|
CF2_F16Dot16 b;
|
|
CF2_F16Dot16 c;
|
|
CF2_F16Dot16 d;
|
|
CF2_F16Dot16 tx;
|
|
CF2_F16Dot16 ty;
|
|
|
|
} CF2_Matrix;
|
|
|
|
|
|
/* these typedefs are needed by more than one header file */
|
|
/* and gcc compiler doesn't allow redefinition */
|
|
typedef struct CF2_FontRec_ CF2_FontRec, *CF2_Font;
|
|
typedef struct CF2_HintRec_ CF2_HintRec, *CF2_Hint;
|
|
|
|
|
|
/* A common structure for all callback parameters. */
|
|
/* */
|
|
/* Some members may be unused. For example, `pt0' is not used for */
|
|
/* `moveTo' and `pt3' is not used for `quadTo'. The initial point `pt0' */
|
|
/* is included for each path element for generality; curve conversions */
|
|
/* need it. The `op' parameter allows one function to handle multiple */
|
|
/* element types. */
|
|
|
|
typedef struct CF2_CallbackParamsRec_
|
|
{
|
|
FT_Vector pt0;
|
|
FT_Vector pt1;
|
|
FT_Vector pt2;
|
|
FT_Vector pt3;
|
|
|
|
CF2_Int op;
|
|
|
|
} CF2_CallbackParamsRec, *CF2_CallbackParams;
|
|
|
|
|
|
/* forward reference */
|
|
typedef struct CF2_OutlineCallbacksRec_ CF2_OutlineCallbacksRec,
|
|
*CF2_OutlineCallbacks;
|
|
|
|
/* callback function pointers */
|
|
typedef void
|
|
(*CF2_Callback_Type)( CF2_OutlineCallbacks callbacks,
|
|
const CF2_CallbackParams params );
|
|
|
|
|
|
struct CF2_OutlineCallbacksRec_
|
|
{
|
|
CF2_Callback_Type moveTo;
|
|
CF2_Callback_Type lineTo;
|
|
CF2_Callback_Type quadTo;
|
|
CF2_Callback_Type cubeTo;
|
|
|
|
CF2_Int windingMomentum; /* for winding order detection */
|
|
|
|
FT_Memory memory;
|
|
FT_Error* error;
|
|
};
|
|
|
|
|
|
FT_END_HEADER
|
|
|
|
|
|
#endif /* __CF2GLUE_H__ */
|
|
|
|
|
|
/* END */
|