1/*
2 * Copyright 2010 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef GrRectanizer_DEFINED
9#define GrRectanizer_DEFINED
10
11#include "GrTypes.h"
12
13struct SkIPoint16;
14
15class GrRectanizer {
16public:
17    GrRectanizer(int width, int height) : fWidth(width), fHeight(height) {
18        SkASSERT(width >= 0);
19        SkASSERT(height >= 0);
20    }
21
22    virtual ~GrRectanizer() {}
23
24    virtual void reset() = 0;
25
26    int width() const { return fWidth; }
27    int height() const { return fHeight; }
28
29    // Attempt to add a rect. Return true on success; false on failure. If
30    // successful the position in the atlas is returned in 'loc'.
31    virtual bool addRect(int width, int height, SkIPoint16* loc) = 0;
32    virtual float percentFull() const = 0;
33
34    /**
35     *  Our factory, which returns the subclass du jour
36     */
37    static GrRectanizer* Factory(int width, int height);
38
39private:
40    int fWidth;
41    int fHeight;
42};
43
44#endif
45