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gnucash/lib/goffice/graph/gog-renderer-impl.h

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/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* gog-renderer-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 GOG_RENDERER_IMPL_H
#define GOG_RENDERER_IMPL_H
#include <goffice/graph/goffice-graph.h>
#include <goffice/utils/goffice-utils.h>
#include <goffice/utils/go-line.h>
#include <goffice/graph/gog-renderer.h>
G_BEGIN_DECLS
typedef struct {
GogViewAllocation area;
gpointer data;
} GogRendererClip;
struct _GogRenderer {
GObject base;
GogGraph *model;
GogView *view;
double logical_width_pts;
double logical_height_pts;
float scale, scale_x, scale_y;
float zoom;
GogRendererClip const *cur_clip;
GSList *clip_stack;
GClosure *font_watcher;
gboolean needs_update;
GogStyle const *cur_style;
GSList *style_stack;
ArtVpathDash *line_dash;
ArtVpathDash *outline_dash;
};
typedef struct {
GObjectClass base;
/* Virtuals */
void (*font_removed) (GogRenderer *renderer, GOFont const *font);
void (*push_style) (GogRenderer *renderer, GogStyle const *style);
void (*pop_style) (GogRenderer *renderer);
void (*clip_push) (GogRenderer *renderer, GogRendererClip *clip);
void (*clip_pop) (GogRenderer *renderer, GogRendererClip *clip);
void (*sharp_path) (GogRenderer *renderer, ArtVpath *path, double line_width);
void (*draw_path) (GogRenderer *renderer, ArtVpath const *path,
GogViewAllocation const *bound);
void (*draw_polygon) (GogRenderer *renderer, ArtVpath const *path, gboolean narrow,
GogViewAllocation const *bound);
void (*draw_text) (GogRenderer *rend, char const *text,
GogViewAllocation const *pos, GtkAnchorType anchor,
GogViewAllocation *result);
void (*draw_marker) (GogRenderer *rend, double x, double y);
void (*measure_text) (GogRenderer *rend,
char const *text, GogViewRequisition *size);
double (*line_size) (GogRenderer const *rend, double width);
/* Signals */
void (*request_update) (GogRenderer *renderer);
} GogRendererClass;
#define GOG_RENDERER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), GOG_RENDERER_TYPE, GogRendererClass))
#define IS_GOG_RENDERER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GOG_RENDERER_TYPE))
/* protected */
void gog_renderer_invalidate_size_requests (GogRenderer *rend);
G_END_DECLS
#endif /* GOG_RENDERER_GROUP_IMPL_H */