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gnucash/lib/goffice/graph/go-data-impl.h

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/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* go-data-impl.h :
*
* Copyright (C) 2003-2004 Jody Goldberg (jody@gnome.org)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#ifndef GO_DATA_IMPL_H
#define GO_DATA_IMPL_H
#include <goffice/graph/goffice-graph.h>
#include <goffice/graph/go-data.h>
#include <glib-object.h>
G_BEGIN_DECLS
typedef enum {
GO_DATA_CACHE_IS_VALID = 1 << 0,
GO_DATA_IS_EDITABLE = 1 << 1,
GO_DATA_VECTOR_LEN_CACHED = 1 << 2,
GO_DATA_MATRIX_SIZE_CACHED = GO_DATA_VECTOR_LEN_CACHED
} GODataFlags;
struct _GOData {
GObject base;
gint32 flags; /* dunno what to do with these yet */
};
typedef struct {
GObjectClass base;
GOData *(*dup) (GOData const *src);
gboolean (*eq) (GOData const *a, GOData const *b);
GOFormat *(*preferred_fmt) (GOData const *dat);
char *(*as_str) (GOData const *dat);
gboolean (*from_str) (GOData *dat, char const *str);
void (*emit_changed) (GOData *dat);
/* signals */
void (*changed) (GOData *dat);
} GODataClass;
struct _GODataScalar {
GOData base;
};
typedef struct {
GODataClass base;
double (*get_value) (GODataScalar *scalar);
char const *(*get_str) (GODataScalar *scalar);
/* PangoLayout *(get_fmt_str) (GODataScalar *scalar); */
} GODataScalarClass;
struct _GODataVector {
GOData base;
int len; /* negative if dirty, includes missing values */
double *values; /* NULL = inititialized/unsupported, nan = missing */
double minimum, maximum;
};
typedef struct {
GODataClass base;
void (*load_len) (GODataVector *vec);
void (*load_values) (GODataVector *vec);
double (*get_value) (GODataVector *vec, unsigned i);
char *(*get_str) (GODataVector *vec, unsigned i);
/* PangoLayout *(get_fmt_str) (GODataVector *vec, unsigned i); */
} GODataVectorClass;
struct _GODataMatrix {
GOData base;
GOMatrixSize size; /* negative if dirty, includes missing values */
double *values; /* NULL = uninitialized/unsupported, nan = missing */
double minimum, maximum;
};
typedef struct {
GODataClass base;
void (*load_size) (GODataMatrix *vec);
void (*load_values) (GODataMatrix *vec);
double (*get_value) (GODataMatrix *mat, unsigned i, unsigned j);
char *(*get_str) (GODataMatrix *mat, unsigned i, unsigned j);
/* PangoLayout *(get_fmt_str) (GODataMatrix *mat, unsigned i, unsigned j); */
} GODataMatrixClass;
G_END_DECLS
#endif /* GO_DATA_IMPL_H */