/*
 * Copyright (c) 1987, 1988, 1989, 1990, 1991 Stanford University
 * Copyright (c) 1991 Silicon Graphics, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software and 
 * its documentation for any purpose is hereby granted without fee, provided
 * that (i) the above copyright notices and this permission notice appear in
 * all copies of the software and related documentation, and (ii) the names of
 * Stanford and Silicon Graphics may not be used in any advertising or
 * publicity relating to the software without the specific, prior written
 * permission of Stanford and Silicon Graphics.
 * 
 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
 *
 * IN NO EVENT SHALL STANFORD OR SILICON GRAPHICS BE LIABLE FOR
 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
 * OF THIS SOFTWARE.
 */

#ifndef iv_tformsetter_h
#define iv_tformsetter_h

#include <InterViews/monoglyph.h>
#include <InterViews/transformer.h>

class TransformSetter : public MonoGlyph {
public:
    TransformSetter(Glyph*);
    TransformSetter(Glyph*, const Transformer&);
    virtual ~TransformSetter();

    virtual const Transformer& transformer() const;
    virtual Transformer& transformer();
    virtual void transformer(const Transformer&);

    virtual void request(Requisition&) const;
    virtual void allocate(Canvas*, const Allocation&, Extension&);
    virtual void draw(Canvas*, const Allocation&) const;
    virtual void print(Printer*, const Allocation&) const;
    virtual void pick(Canvas*, const Allocation&, int depth, Hit&);
protected:
    virtual void transform(
	Transformer&, const Allocation&, const Allocation& natural
    ) const;
private:
    Transformer transformer_;
    Allocation natural_allocation_;

    void push_transform(
	Canvas*, const Allocation&, const Allocation& natural
    ) const;
};

class TransformFitter : public TransformSetter {
public:
    TransformFitter(Glyph*);
    virtual ~TransformFitter();
protected:
    virtual void transform(
	Transformer&, const Allocation&, const Allocation& natural
    ) const;
};

#endif
