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/* gtkplotpc - gtkplot print context - a renderer for printing functions
* Copyright 1999-2001 Adrian E. Feiguin <feiguin@ifir.edu.ar>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GTK_PLOT_PC_H__
#define __GTK_PLOT_PC_H__
#include <stdio.h>
#include "gtkpsfont.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GTK_PLOT_PC(obj) G_TYPE_CHECK_INSTANCE_CAST (obj, gtk_plot_pc_get_type (), GtkPlotPC)
#define GTK_TYPE_PLOT_PC (gtk_plot_pc_get_type ())
#define GTK_PLOT_PC_CLASS(klass) G_TYPE_CHECK_CLASS_CAST (klass, gtk_plot_pc_get_type(), GtkPlotPCClass)
#define GTK_IS_PLOT_PC(obj) G_TYPE_CHECK_INSTANCE_TYPE (obj, gtk_plot_pc_get_type ())
/* Page size */
typedef enum{
GTK_PLOT_LETTER ,
GTK_PLOT_LEGAL ,
GTK_PLOT_A4 ,
GTK_PLOT_EXECUTIVE ,
GTK_PLOT_CUSTOM
} GtkPlotPageSize;
#define GTK_PLOT_LETTER_W 612 /* Width and Height in ps points */
#define GTK_PLOT_LETTER_H 792
#define GTK_PLOT_LEGAL_W 612
#define GTK_PLOT_LEGAL_H 1008
#define GTK_PLOT_A4_W 595
#define GTK_PLOT_A4_H 842
#define GTK_PLOT_EXECUTIVE_W 540
#define GTK_PLOT_EXECUTIVE_H 720
/* Page orientation */
typedef enum{
GTK_PLOT_PORTRAIT ,
GTK_PLOT_LANDSCAPE
} GtkPlotPageOrientation;
/* Size units */
typedef enum{
GTK_PLOT_PSPOINTS ,
GTK_PLOT_MM ,
GTK_PLOT_CM ,
GTK_PLOT_INCHES
} GtkPlotUnits;
typedef struct _GtkPlotPC GtkPlotPC;
typedef struct _GtkPlotPCClass GtkPlotPCClass;
typedef struct _GtkPlotPoint GtkPlotPoint;
/**
* GtkPlotPoint:
*
* The GtkPlotPoint struct contains only private data.
* It should only be accessed through the functions described below.
*/
struct _GtkPlotPoint
{
/*< private >*/
gdouble x, y;
};
struct _GtkPlotPC
{
GtkObject object;
gdouble width, height; /* viewport */
GdkColor color;
gint init_count;
gboolean use_pixmap;
};
struct _GtkPlotPCClass
{
GtkObjectClass parent_class;
gboolean (* init) (GtkPlotPC *pc);
void (* leave) (GtkPlotPC *pc);
void (* set_viewport) (GtkPlotPC *pc,
gdouble w, gdouble h);
void (* gsave) (GtkPlotPC *pc);
void (* grestore) (GtkPlotPC *pc);
void (* clip) (GtkPlotPC *pc,
const GdkRectangle *area);
void (* clip_mask) (GtkPlotPC *pc,
gdouble x,
gdouble y,
const GdkBitmap *mask);
void (* set_color) (GtkPlotPC *pc,
const GdkColor *color);
void (* set_lineattr) (GtkPlotPC *pc,
gfloat line_width,
GdkLineStyle line_style,
GdkCapStyle cap_style,
GdkJoinStyle join_style);
void (* set_dash) (GtkPlotPC *pc,
gdouble offset_,
gdouble *values,
gint num_values);
void (* draw_point) (GtkPlotPC *pc,
gdouble x, gdouble y);
void (* draw_line) (GtkPlotPC *pc,
gdouble x1, gdouble y1,
gdouble x2, gdouble y2);
void (* draw_lines) (GtkPlotPC *pc,
GtkPlotPoint *points,
gint numpoints);
void (* draw_rectangle) (GtkPlotPC *pc,
gboolean filled,
gdouble x, gdouble y,
gdouble width,
gdouble height);
void (* draw_polygon) (GtkPlotPC *pc,
gboolean filled,
GtkPlotPoint *points,
gint numpoints);
void (* draw_circle) (GtkPlotPC *pc,
gboolean filled,
gdouble x, gdouble y,
gdouble size);
void (* draw_ellipse) (GtkPlotPC *pc,
gboolean filled,
gdouble x, gdouble y,
gdouble width,
gdouble height);
void (* set_font) (GtkPlotPC *pc,
GtkPSFont *psfont,
gint height);
void (* draw_string) (GtkPlotPC *pc,
gint x, gint y,
gint angle,
const GdkColor *fg,
const GdkColor *bg,
gboolean transparent,
gint border,
gint border_space,
gint border_width,
gint shadow_width,
const gchar *font,
gint height,
GtkJustification just,
const gchar *text);
void (* draw_pixmap) (GtkPlotPC *pc,
GdkPixmap *pixmap,
GdkBitmap *mask,
gint xsrc, gint ysrc,
gint xdest, gint ydest,
gint width,
gint height,
gdouble scale_x,
gdouble scale_y);
};
GType gtk_plot_pc_get_type (void);
GtkObject *gtk_plot_pc_new (void);
gboolean gtk_plot_pc_init (GtkPlotPC *pc);
void gtk_plot_pc_leave (GtkPlotPC *pc);
void gtk_plot_pc_set_viewport (GtkPlotPC *pc,
gdouble w, gdouble h);
void gtk_plot_pc_gsave (GtkPlotPC *pc);
void gtk_plot_pc_grestore (GtkPlotPC *pc);
void gtk_plot_pc_clip (GtkPlotPC *pc,
GdkRectangle *area);
void gtk_plot_pc_clip_mask (GtkPlotPC *pc,
gdouble x,
gdouble y,
GdkBitmap *mask);
void gtk_plot_pc_set_color (GtkPlotPC *pc,
GdkColor *color);
void gtk_plot_pc_set_lineattr (GtkPlotPC *pc,
gfloat line_width,
GdkLineStyle line_style,
GdkCapStyle cap_style,
GdkJoinStyle join_style);
void gtk_plot_pc_set_dash (GtkPlotPC *pc,
gdouble offset_,
gdouble *values,
gint num_values);
void gtk_plot_pc_draw_point (GtkPlotPC *pc,
gdouble x, gdouble y);
void gtk_plot_pc_draw_line (GtkPlotPC *pc,
gdouble x1, gdouble y1,
gdouble x2, gdouble y2);
void gtk_plot_pc_draw_lines (GtkPlotPC *pc,
GtkPlotPoint *points,
gint numpoints);
void gtk_plot_pc_draw_rectangle (GtkPlotPC *pc,
gboolean filled,
gdouble x, gdouble y,
gdouble width,
gdouble height);
void gtk_plot_pc_draw_polygon (GtkPlotPC *pc,
gint filled,
GtkPlotPoint *points,
gint numpoints);
void gtk_plot_pc_draw_ellipse (GtkPlotPC *pc,
gboolean filled,
gdouble x, gdouble y,
gdouble width,
gdouble height);
void gtk_plot_pc_draw_circle (GtkPlotPC *pc,
gint filled,
gdouble x, gdouble y,
gdouble size);
void gtk_plot_pc_set_font (GtkPlotPC *pc,
GtkPSFont *psfont,
gint height);
void gtk_plot_pc_draw_string (GtkPlotPC *pc,
gint x, gint y,
gint angle,
const GdkColor *fg,
const GdkColor *bg,
gboolean transparent,
gint border,
gint border_space,
gint border_width,
gint shadow_width,
const gchar *font,
gint height,
GtkJustification just,
const gchar *text);
void gtk_plot_pc_draw_pixmap (GtkPlotPC *pc,
GdkPixmap *pixmap,
GdkBitmap *mask,
gint xsrc, gint ysrc,
gint xdest, gint ydest,
gint width,
gint height,
gdouble scale_x,
gdouble scale_y);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GTK_PLOT_PC_H__ */
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