michael@0: /*
michael@0:  * Copyright 2013 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #ifndef SkPDFDeviceFlattener_DEFINED
michael@0: #define SkPDFDeviceFlattener_DEFINED
michael@0: 
michael@0: #include "SkPDFDevice.h"
michael@0: 
michael@0: 
michael@0: /** \class SkPDFDeviceFlattener
michael@0: 
michael@0:     The PDF Device Flattener is used to flatten features without native support in PDF.
michael@0:     For now, the only one implemented is Perspective.
michael@0: 
michael@0:     TODO(edisonn): Rename the class once we know all the things it will do.
michael@0: */
michael@0: class SkPDFDeviceFlattener : public SkPDFDevice {
michael@0: private:
michael@0:     typedef SkPDFDevice INHERITED;
michael@0: 
michael@0:     SK_API SkPDFDeviceFlattener(const SkSize& pageSize, const SkRect* trimBox = NULL);
michael@0: 
michael@0: public:
michael@0:     SK_API virtual ~SkPDFDeviceFlattener();
michael@0: 
michael@0:     virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode,
michael@0:                             size_t count, const SkPoint[],
michael@0:                             const SkPaint& paint) SK_OVERRIDE;
michael@0:     virtual void drawRect(const SkDraw&, const SkRect& r, const SkPaint& paint);
michael@0:     virtual void drawPath(const SkDraw&, const SkPath& origpath,
michael@0:                           const SkPaint& paint, const SkMatrix* prePathMatrix,
michael@0:                           bool pathIsMutable) SK_OVERRIDE;
michael@0:     virtual void drawText(const SkDraw&, const void* text, size_t len,
michael@0:                           SkScalar x, SkScalar y, const SkPaint&) SK_OVERRIDE;
michael@0:     virtual void drawPosText(const SkDraw&, const void* text, size_t len,
michael@0:                              const SkScalar pos[], SkScalar constY,
michael@0:                              int scalarsPerPos, const SkPaint&) SK_OVERRIDE;
michael@0:     virtual void drawTextOnPath(const SkDraw&, const void* text, size_t len,
michael@0:                                 const SkPath& path, const SkMatrix* matrix,
michael@0:                                 const SkPaint& paint) SK_OVERRIDE;
michael@0: private:
michael@0: 
michael@0:     bool mustFlatten(const SkDraw& d) const;
michael@0:     bool mustPathText(const SkDraw& d, const SkPaint& paint);
michael@0: 
michael@0:     friend class SkDocument_PDF;
michael@0: };
michael@0: 
michael@0: #endif  // SkPDFDeviceFlattener_DEFINED