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/*
* This file is a part of the Cairo-Dock project
*
* Copyright : (C) see the 'copyright' file.
* E-mail : see the 'copyright' file.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __CAIRO_DOCK_GRAPH2__
#define __CAIRO_DOCK_GRAPH2__
#include <gtk/gtk.h>
G_BEGIN_DECLS
#include "cairo-dock-struct.h"
#include "cairo-dock-data-renderer.h"
/**
*@file cairo-dock-graph.h This class defines the Graph, which derives from the DataRenderer.
* All you need to know is the attributes that define a Graph, the API to use is the common API for DataRenderer, i ncairo-dock-data-renderer.h.
*/
/// Types of graph.
typedef enum {
/// a continuous line.
CAIRO_DOCK_GRAPH2_LINE=0,
/// a continuous plain graph.
CAIRO_DOCK_GRAPH2_PLAIN,
/// a histogram.
CAIRO_DOCK_GRAPH2_BAR,
/// a circle.
CAIRO_DOCK_GRAPH2_CIRCLE,
/// a plain circle.
CAIRO_DOCK_GRAPH2_CIRCLE_PLAIN
} CairoDockTypeGraph;
typedef struct _CairoGraphAttribute CairoGraphAttribute;
/// Attributes of a Graph.
struct _CairoGraphAttribute {
/// General attributes of any DataRenderer.
CairoDataRendererAttribute rendererAttribute;
/// type of graph
CairoDockTypeGraph iType;
/// color of the high values. it's a table of nb_values triplets, each of them representing an rgb color.
gdouble *fHighColor;
/// color of the low values. same as fHighColor.
gdouble *fLowColor;
/// color of the background.
gdouble fBackGroundColor[4];
/// radius of the corners of the background.
gint iRadius;
/// TRUE to draw all the values on the same graph.
gboolean bMixGraphs;
};
typedef struct _CairoDockGraph {
CairoDataRenderer dataRenderer;
CairoDockTypeGraph iType;
gdouble *fHighColor; // iNbValues triplets (r,v,b).
gdouble *fLowColor; // idem.
cairo_pattern_t **pGradationPatterns; // iNbValues patterns.
gdouble fBackGroundColor[4];
cairo_surface_t *pBackgroundSurface;
GLuint iBackgroundTexture;
gint iRadius;
gdouble fMargin;
gboolean bMixGraphs;
} CairoDockGraph;
CairoDockGraph *cairo_dock_new_graph (void);
G_END_DECLS
#endif
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