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 SkPDFDeviceFlattener_DEFINED
9#define SkPDFDeviceFlattener_DEFINED
10
11#include "SkPDFDevice.h"
12
13
14/** \class SkPDFDeviceFlattener
15
16    The PDF Device Flattener is used to flatten features without native support in PDF.
17    For now, the only one implemented is Perspective.
18
19    TODO(edisonn): Rename the class once we know all the things it will do.
20*/
21class SkPDFDeviceFlattener : public SkPDFDevice {
22private:
23    typedef SkPDFDevice INHERITED;
24
25    SK_API SkPDFDeviceFlattener(const SkSize& pageSize, const SkRect* trimBox = NULL);
26
27public:
28    SK_API virtual ~SkPDFDeviceFlattener();
29
30    virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode,
31                            size_t count, const SkPoint[],
32                            const SkPaint& paint) SK_OVERRIDE;
33    virtual void drawRect(const SkDraw&, const SkRect& r, const SkPaint& paint);
34    virtual void drawPath(const SkDraw&, const SkPath& origpath,
35                          const SkPaint& paint, const SkMatrix* prePathMatrix,
36                          bool pathIsMutable) SK_OVERRIDE;
37    virtual void drawText(const SkDraw&, const void* text, size_t len,
38                          SkScalar x, SkScalar y, const SkPaint&) SK_OVERRIDE;
39    virtual void drawPosText(const SkDraw&, const void* text, size_t len,
40                             const SkScalar pos[], SkScalar constY,
41                             int scalarsPerPos, const SkPaint&) SK_OVERRIDE;
42    virtual void drawTextOnPath(const SkDraw&, const void* text, size_t len,
43                                const SkPath& path, const SkMatrix* matrix,
44                                const SkPaint& paint) SK_OVERRIDE;
45private:
46
47    bool mustFlatten(const SkDraw& d) const;
48    bool mustPathText(const SkDraw& d, const SkPaint& paint);
49
50    friend class SkDocument_PDF;
51};
52
53#endif  // SkPDFDeviceFlattener_DEFINED
54