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Diffstat (limited to 'libgnomecanvas/gnome-canvas-shape-private.h')
| -rw-r--r-- | libgnomecanvas/gnome-canvas-shape-private.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/libgnomecanvas/gnome-canvas-shape-private.h b/libgnomecanvas/gnome-canvas-shape-private.h new file mode 100644 index 0000000000..ffdd3ce24b --- /dev/null +++ b/libgnomecanvas/gnome-canvas-shape-private.h @@ -0,0 +1,103 @@ +#ifndef GNOME_CANVAS_SHAPE_PRIVATE_H +#define GNOME_CANVAS_SHAPE_PRIVATE_H + +/* Bpath item type for GnomeCanvas widget + * + * GnomeCanvas is basically a port of the Tk toolkit's most excellent canvas widget. Tk is + * copyrighted by the Regents of the University of California, Sun Microsystems, and other parties. + * + * Copyright (C) 1998,1999 The Free Software Foundation + * + * Authors: Federico Mena <federico@nuclecu.unam.mx> + * Raph Levien <raph@acm.org> + * Lauris Kaplinski <lauris@ariman.ee> + */ + +#include <gdk/gdk.h> +#include <libart_lgpl/art_vpath.h> +#include <libart_lgpl/art_svp.h> +#include <libart_lgpl/art_vpath_dash.h> +#include <libart_lgpl/art_svp_wind.h> +#include <libgnomecanvas/gnome-canvas.h> + +#include <libgnomecanvas/gnome-canvas-path-def.h> + +G_BEGIN_DECLS + +typedef struct _GnomeCanvasShapePrivGdk GnomeCanvasShapePrivGdk; +typedef struct _GCBPDrawCtx GCBPDrawCtx; + +/* Per canvas private structure, holding necessary data for rendering + * temporary masks, which are needed for drawing multipart bpaths. + * As canvas cannot multithread, we can be sure, that masks are used + * serially, also one set of masks per canvas is sufficent to guarantee, + * that masks are created on needed X server. Masks grow as needed. + * Full structure is refcounted in Bpath implementation + */ + +struct _GCBPDrawCtx { + gint refcount; + + GnomeCanvas * canvas; + + gint width; + gint height; + + GdkBitmap * mask; + GdkBitmap * clip; + + GdkGC * clear_gc; + GdkGC * xor_gc; +}; + +/* Per Bpath private structure, holding Gdk specific data */ + +struct _GnomeCanvasShapePrivGdk { + gulong fill_pixel; /* Color for fill */ + gulong outline_pixel; /* Color for outline */ + + GdkBitmap *fill_stipple; /* Stipple for fill */ + GdkBitmap *outline_stipple; /* Stipple for outline */ + + GdkGC * fill_gc; /* GC for filling */ + GdkGC * outline_gc; /* GC for outline */ + + gint len_points; /* Size of allocated points array */ + gint num_points; /* Gdk points in canvas coords */ + GdkPoint * points; /* Ivariant: closed paths are before open ones */ + GSList * closed_paths; /* List of lengths */ + GSList * open_paths; /* List of lengths */ + + GCBPDrawCtx * ctx; /* Pointer to per-canvas drawing context */ +}; + +struct _GnomeCanvasShapePriv { + GnomeCanvasPathDef * path; /* Our bezier path representation */ + + gdouble scale; /* CTM scaling (for pen) */ + + guint fill_set : 1; /* Is fill color set? */ + guint outline_set : 1; /* Is outline color set? */ + guint width_pixels : 1; /* Is outline width specified in pixels or units? */ + + double width; /* Width of outline, in user coords */ + + guint32 fill_rgba; /* Fill color, RGBA */ + guint32 outline_rgba; /* Outline color, RGBA */ + + GdkCapStyle cap; /* Cap style for line */ + GdkJoinStyle join; /* Join style for line */ + ArtWindRule wind; /* Winding rule */ + double miterlimit; /* Miter limit */ + + ArtVpathDash dash; /* Dashing pattern */ + + ArtSVP * fill_svp; /* The SVP for the filled shape */ + ArtSVP * outline_svp; /* The SVP for the outline shape */ + + GnomeCanvasShapePrivGdk * gdk; /* Gdk specific things */ +}; + +G_END_DECLS + +#endif |