1/*
2 * Copyright 2013 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 SkPdfContext_DEFINED
9#define SkPdfContext_DEFINED
10
11#include "SkMatrix.h"
12#include "SkPdfGraphicsState.h"
13#include "SkPdfNativeTokenizer.h"
14#include "SkTDStackNester.h"
15#include "SkTypes.h"
16
17class SkCanvas;
18class SkPdfNativeDoc;
19class SkPdfNativeObject;
20
21/**
22 *   The context of the drawing. The document we draw from, the current stack of
23 *   objects, ...
24 */
25class SkPdfContext : SkNoncopyable {
26public:
27    // FIXME (scroggo): Add functions for accessing these.
28    SkTDStackNester<SkPdfNativeObject*>  fObjectStack;
29    SkTDStackNester<SkPdfGraphicsState>  fStateStack;
30    SkPdfGraphicsState              fGraphicsState;
31    SkPdfNativeDoc*                 fPdfDoc;
32    SkMatrix                        fOriginalMatrix;
33
34    // Does not take ownership of the doc.
35    explicit SkPdfContext(SkPdfNativeDoc* doc);
36
37    /**
38     *  Parse the stream and draw its commands to the canvas.
39     *  FIXME (scroggo): May not be the best place for this, but leaving here
40     *  for now, since it uses SkPdfContext's members.
41     */
42    void parseStream(SkPdfNativeObject* stream, SkCanvas* canvas);
43
44private:
45    // FIXME (scroggo): Is this the right place for the allocator?
46    SkPdfAllocator fTmpPageAllocator;
47};
48#endif // SkPdfContext_DEFINED
49