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 "include/gpu/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 const int fWidth;
41 const int fHeight;
42};
43
44#endif
45