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sp-paint-server.h

#ifndef __SP_PAINT_SERVER_H__
#define __SP_PAINT_SERVER_H__

/*
 * Base class for gradients and patterns
 *
 * Author:
 *   Lauris Kaplinski <lauris@kaplinski.com>
 *
 * Copyright (C) 1999-2002 Lauris Kaplinski
 * Copyright (C) 2000-2001 Ximian, Inc.
 *
 * Released under GNU GPL, read the file 'COPYING' for more information
 */

#include <libnr/nr-pixblock.h>
#include "sp-object.h"
#include "uri-references.h"

class SPPainter;

#define SP_TYPE_PAINT_SERVER (sp_paint_server_get_type ())
#define SP_PAINT_SERVER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SP_TYPE_PAINT_SERVER, SPPaintServer))
#define SP_PAINT_SERVER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SP_TYPE_PAINT_SERVER, SPPaintServerClass))
#define SP_IS_PAINT_SERVER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SP_TYPE_PAINT_SERVER))
#define SP_IS_PAINT_SERVER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SP_TYPE_PAINT_SERVER))

typedef enum {
      SP_PAINTER_IND,
      SP_PAINTER_DEP
} SPPainterType;

typedef void (* SPPainterFillFunc) (SPPainter *painter, NRPixBlock *pb);

/* fixme: I do not like that class thingie (Lauris) */
struct SPPainter {
      SPPainter *next;
      SPPaintServer *server;
      GType server_type;
      SPPainterType type;
      SPPainterFillFunc fill;
};

struct SPPaintServer : public SPObject {
      /* List of paints */
      SPPainter *painters;
};

struct SPPaintServerClass {
      SPObjectClass sp_object_class;
      /* Get SPPaint instance */
      SPPainter * (* painter_new) (SPPaintServer *ps, NR::Matrix const &full_transform, NR::Matrix const &parent_transform, const NRRect *bbox);
      /* Free SPPaint instance */
      void (* painter_free) (SPPaintServer *ps, SPPainter *painter);
};

GType sp_paint_server_get_type (void);

SPPainter *sp_paint_server_painter_new (SPPaintServer *ps, NR::Matrix const &full_transform, NR::Matrix const &parent_transform, const NRRect *bbox);

SPPainter *sp_painter_free (SPPainter *painter);

class SPPaintServerReference : public Inkscape::URIReference {
public:
        SPPaintServerReference (SPObject *obj) : URIReference(obj) {}
        SPPaintServerReference (SPDocument *doc) : URIReference(doc) {}
        SPPaintServer *getObject() const {
                return (SPPaintServer *)URIReference::getObject();
        }
protected:
        virtual bool _acceptObject(SPObject *obj) const {
                return SP_IS_PAINT_SERVER (obj);
        }
};

#endif

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