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#ifndef gdevtxtw_INCLUDED
#define gdevtxtw_INCLUDED
#include "gsccode.h"
#include "gsccode.h"
#include "gsdevice.h"
#include "gsfont.h"
#include "gsgstate.h"
#include "gsmatrix.h"
#include "gstypes.h"
/*
* Some structures and functions that are used by gdevdocxw.c and gdevtxtw.c.
*/
/*
* Define the structure used to return glyph width information. Note that
* there are two different sets of width information: real-number (x,y)
* values, which give the true advance width, and an integer value, which
* gives an X advance width for WMode = 0 or a Y advance width for WMode = 1.
* The return value from txt_glyph_width() indicates which of these is/are
* valid.
*/
typedef struct txt_glyph_width_s {
double w;
gs_point xy;
gs_point v; /* glyph origin shift */
} txt_glyph_width_t;
typedef struct txt_glyph_widths_s {
txt_glyph_width_t Width; /* unmodified, for Widths */
txt_glyph_width_t real_width; /* possibly modified, for rendering */
bool replaced_v;
} txt_glyph_widths_t;
int
txt_glyph_widths(gs_font *font, int wmode, gs_glyph glyph,
gs_font *orig_font, txt_glyph_widths_t *pwidths,
const double cdevproc_result[10]);
/* Try to convert glyph names/character codes to Unicode. We first try to see
* if we have any Unicode information either from a ToUnicode CMap or GlyphNames2Unicode
* table. If that fails we look at the glyph name to see if it starts 'uni'
* in which case we assume the remainder of the name is the Unicode value. If
* its not a glyph of that form then we search a bunch of tables whcih map standard
* glyph names to Unicode code points. If that fails we finally just return the character code.
*/
int txt_get_unicode(gx_device *dev, gs_font *font, gs_glyph glyph, gs_char ch, unsigned short *Buffer);
void
txt_char_widths_to_uts(gs_font *font /* may be NULL for non-Type3 */,
txt_glyph_widths_t *pwidths);
float txt_calculate_text_size(gs_gstate *pgs, gs_font *ofont,
const gs_matrix *pfmat, gs_matrix *smat, gs_matrix *tmat,
gs_font *font, gx_device *pdev);
#endif
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