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/* Copyright (C) 2009-2012 by George Williams */
/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _AUTOWIDTH2_H
# define _AUTOWIDTH2_H
typedef struct aw_glyph {
SplineChar *sc;
DBounds bb;
/*int zero_pos;*/
/*real min_y, max_y;*/
int imin_y, imax_y; /* floor(bb.min_y/sub_height) */
/* Allocate two arrays [min_y/sub_height,max_y/sub_height) */
/* normalize so that min_y = sub_height*floor(bb.miny/sub_height) */
/* max_y = sub_height*ceil (bb.maxy/sub_height) */
/* left[i] is the minimum x value any spline attains between min_y+i*sub_hight and min_y+(i+1)*sub_height */
/* in other words, it is a sampling of the left edge of the glyph */
/* Similarly right is a sampling of the right edge */
/* The left array is normalized so that the smallest leftmost extent is 0 */
/* (left side bearing set to zero) so all entries will be non-negative */
/* Conversely the right array is normalized so that the greatest right extent is 0 */
/* so all entries will be non-positive */
short *left;
short *right;
int lsb, rsb; /* approximations we refine as we go along */
int nlsb, nrsb; /* next guess */
#if !defined(_NO_PYTHON)
void *python_data;
#endif
} AW_Glyph;
typedef struct aw_data {
SplineFont *sf;
FontViewBase *fv;
int layer;
/*uint32 *script_list;*/
AW_Glyph *glyphs;
int gcnt;
int *visual_separation; /* array[gcnt][gcnt] of my guess at the visual */
/* separation between all pairs of glyphs */
/* array[index_left_glyph*gcnt+index_right_glyph] */
/* Only used for width, not kern */
int sub_height; /* Each glyph is divided into vertical chunks this high */
int loop_cnt; /* Number of times to iterate... */
int desired_separation;
int min_sidebearing, max_sidebearing;
unsigned int normalize: 1;
real denom;
#if !defined(_NO_PYTHON)
void *python_data;
#endif
} AW_Data;
#if !defined(_NO_PYTHON)
extern void *PyFF_GlyphSeparationHook;
extern int PyFF_GlyphSeparation(AW_Glyph *g1,AW_Glyph *g2,AW_Data *all);
extern void FFPy_AWGlyphFree(AW_Glyph *me);
extern void FFPy_AWDataFree(AW_Data *all);
#endif /* PYTHON */
#endif /* _AUTOWIDTH2_H */
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