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