/usr/include/libglbarcode-3.0/libglbarcode/lgl-barcode.h is in glabels-dev 3.4.0-2build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* lgl-barcode.h
* Copyright (C) 2001-2010 Jim Evins <evins@snaught.com>.
*
* This file is part of libglbarcode.
*
* libglbarcode 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 3 of the License, or
* (at your option) any later version.
*
* libglbarcode 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 libglbarcode. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __LGL_BARCODE_H__
#define __LGL_BARCODE_H__
#include <glib.h>
G_BEGIN_DECLS
/********************************/
/* Barcode Intermediate Format. */
/********************************/
/**
* lglBarcode:
* @width: Width of barcode bounding box (points)
* @height: Height of barcode bounding box (points)
* @shapes: List of #lglBarcodeShape drawing primitives
*
* This structure contains the libglbarcode intermediate barcode format. This
* structure contains a simple vectorized representation of the barcode. This
* vectorized representation is easy to interpret by a rendering backend for
* either vector or raster formats. A simple API is provided for constructing
* barcodes in this format.
*
*/
typedef struct {
gdouble width;
gdouble height;
GList *shapes; /* List of lglBarcodeShape drawing primitives */
} lglBarcode;
/********************************/
/* Barcode Construction. */
/********************************/
lglBarcode *lgl_barcode_new (void);
void lgl_barcode_free (lglBarcode *bc);
void lgl_barcode_add_line (lglBarcode *bc,
gdouble x,
gdouble y,
gdouble length,
gdouble width);
void lgl_barcode_add_box (lglBarcode *bc,
gdouble x,
gdouble y,
gdouble width,
gdouble height);
void lgl_barcode_add_char (lglBarcode *bc,
gdouble x,
gdouble y,
gdouble fsize,
gchar c);
void lgl_barcode_add_string (lglBarcode *bc,
gdouble x,
gdouble y,
gdouble fsize,
gchar *string,
gsize length);
void lgl_barcode_add_ring (lglBarcode *bc,
gdouble x,
gdouble y,
gdouble radius,
gdouble line_width);
void lgl_barcode_add_hexagon (lglBarcode *bc,
gdouble x,
gdouble y,
gdouble height);
/*******************************/
/* Barcode Drawing Primitives. */
/*******************************/
typedef enum {
LGL_BARCODE_SHAPE_LINE,
LGL_BARCODE_SHAPE_BOX,
LGL_BARCODE_SHAPE_CHAR,
LGL_BARCODE_SHAPE_STRING,
LGL_BARCODE_SHAPE_RING,
LGL_BARCODE_SHAPE_HEXAGON
} lglBarcodeShapeType;
typedef struct {
/* Begin Common Fields */
lglBarcodeShapeType type;
gdouble x;
gdouble y;
/* End Common Fields */
} lglBarcodeShapeAny;
/**
* lglBarcodeShapeLine:
* @type: Always %LGL_BARCODE_SHAPE_LINE
* @x: x coordinate of top of line
* @y: y coordinate of top of line
* @length: Length of line
* @width: Width of line
*
* A vertical line drawing primitive.
*
*<programlisting>
*
* @ = origin (x,y) from top left corner of barcode
*
* +--@--+
* | |
* | |
* | |
* | | length
* | |
* | |
* | |
* +-----+
* width
*
*</programlisting>
*
* All units are in points ( 1 point = 1/72 inch ).
*/
typedef struct {
/* Begin Common Fields */
lglBarcodeShapeType type; /* Always LGL_BARCODE_SHAPE_LINE. */
gdouble x;
gdouble y;
/* End Common Fields */
gdouble length;
gdouble width;
} lglBarcodeShapeLine;
/**
* lglBarcodeShapeBox:
* @type: Always %LGL_BARCODE_SHAPE_BOX
* @x: x coordinate of top left corner of box
* @y: y coordinate of top left corner of box
* @width: Width of box
* @height: Height of box
*
* A solid box drawing primitive.
*
*<programlisting>
*
* @ = origin (x,y) from top left corner of barcode
*
* @---------+
* | |
* | |
* | |
* | | height
* | |
* | |
* | |
* +---------+
* width
*
*</programlisting>
*
* All units are in points ( 1 point = 1/72 inch ).
*/
typedef struct {
/* Begin Common Fields */
lglBarcodeShapeType type; /* Always LGL_BARCODE_SHAPE_BOX. */
gdouble x;
gdouble y;
/* End Common Fields */
gdouble width;
gdouble height;
} lglBarcodeShapeBox;
/**
* lglBarcodeShapeChar:
* @type: Always %LGL_BARCODE_SHAPE_CHAR
* @x: x coordinate of left baseline of character
* @y: y coordinate of left baseline of character
* @fsize: Font size
* @c: Character to add
*
* An single byte character drawing primitive.
*
*<programlisting>
*
* @ = origin (x,y) from top left corner of barcode
*
* ____ ------------
* / \ ^
* / /\ \ |
* / /__\ \ |
* / ______ \ | ~fsize
* / / \ \ |
* /__/ \__\ |
* v
* @ ----------------------
*
*</programlisting>
*
* All units are in points ( 1 point = 1/72 inch ).
*/
typedef struct {
/* Begin Common Fields */
lglBarcodeShapeType type; /* Always LGL_BARCODE_SHAPE_CHAR. */
gdouble x;
gdouble y;
/* End Common Fields */
gdouble fsize;
gchar c;
} lglBarcodeShapeChar;
/**
* lglBarcodeShapeString:
* @type: Always %LGL_BARCODE_SHAPE_STRING
* @x: x coordinate of horizontal center of baseline of string
* @y: y coordinate of horizontal center of baseline of string
* @fsize: Font size
* @string: String to add
* @length: Number of bytes in string
*
* A character string drawing primitive.
*
*<programlisting>
*
* @ = origin (x,y) from top left corner of barcode
*
* ____ _ ------------------
* / \ | | ^
* / /\ \ | | |
* / /__\ \ | |___ ____ |
* / ______ \ | ._ \ / __| | ~fsize
* / / \ \ | |_) | | (__ |
* /__/ \__\ |_.___/ \____| |
* v
* @ ------------------
* x = horizontal center
*
*</programlisting>
*
* All units are in points ( 1 point = 1/72 inch ).
*/
typedef struct {
/* Begin Common Fields */
lglBarcodeShapeType type; /* Always LGL_BARCODE_SHAPE_STRING. */
gdouble x;
gdouble y;
/* End Common Fields */
gdouble fsize;
gchar *string;
} lglBarcodeShapeString;
/**
* lglBarcodeShapeRing:
* @type: Always %LGL_BARCODE_SHAPE_RING
* @x: x coordinate of center of circle
* @y: y coordinate of center of circle
* @radius: Radius of ring (center of line)
* @line_width: Width of line
*
* A ring (an open circle) drawing primitive.
*
*<programlisting>
*
* @ = origin (x,y) is centre of circle
*
* v line_width
* _.-""""-._
* .' ____ `.
* / .' ^ `. \
* | / \ |
* | | @---|---|------
* | \ / | ^
* \ `.____.' / | radius
* `._ ...._.'.......|
* `-....-'
*
*</programlisting>
*
* All units are in points ( 1 point = 1/72 inch ).
*/
typedef struct {
/* Begin Common Fields */
lglBarcodeShapeType type; /* Always LGL_BARCODE_SHAPE_RING. */
gdouble x;
gdouble y;
/* End Common Fields */
gdouble radius;
gdouble line_width;
} lglBarcodeShapeRing;
/**
* lglBarcodeShapeHexagon:
* @type: Always %LGL_BARCODE_SHAPE_HEXAGON
* @x: x coordinate of top point of hexagon
* @y: y coordinate of top point of hexagon
* @height: Height of hexagon
*
* A solid regular hexagon (oriented with vertexes at top and bottom) drawing primitive.
*
*<programlisting>
*
* @ = origin (x,y) is top of hexagon
*
* @ ------------------
* _-" "-_ ^
* _-" "-_ |
* +" "+ |
* | | |
* | | |
* | | | height
* | | |
* | | |
* +_ _+ |
* "-_ _-" |
* "-_ _-" |
* "-_ _-" v
* " ------------------
*
*</programlisting>
*
* All units are in points ( 1 point = 1/72 inch ).
*/
typedef struct {
/* Begin Common Fields */
lglBarcodeShapeType type; /* Always LGL_BARCODE_SHAPE_HEXAGON. */
gdouble x;
gdouble y;
/* End Common Fields */
gdouble height;
} lglBarcodeShapeHexagon;
typedef union {
lglBarcodeShapeType type;
lglBarcodeShapeAny any;
lglBarcodeShapeLine line;
lglBarcodeShapeBox box;
lglBarcodeShapeChar bchar;
lglBarcodeShapeString string;
lglBarcodeShapeRing ring;
lglBarcodeShapeHexagon hexagon;
} lglBarcodeShape;
G_END_DECLS
#endif /* __LGL_BARCODE_H__ */
/*
* Local Variables: -- emacs
* mode: C -- emacs
* c-basic-offset: 8 -- emacs
* tab-width: 8 -- emacs
* indent-tabs-mode: nil -- emacs
* End: -- emacs
*/
|