michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
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: 
michael@0: #ifndef SkImageView_DEFINED
michael@0: #define SkImageView_DEFINED
michael@0: 
michael@0: #include "SkView.h"
michael@0: #include "SkString.h"
michael@0: 
michael@0: class SkAnimator;
michael@0: class SkBitmap;
michael@0: class SkMatrix;
michael@0: 
michael@0: class SkImageView : public SkView {
michael@0: public:
michael@0:             SkImageView();
michael@0:     virtual ~SkImageView();
michael@0: 
michael@0:     void    getUri(SkString*) const;
michael@0:     void    setUri(const char []);
michael@0:     void    setUri(const SkString&);
michael@0: 
michael@0: 
michael@0:     enum ScaleType {
michael@0:         kMatrix_ScaleType,
michael@0:         kFitXY_ScaleType,
michael@0:         kFitStart_ScaleType,
michael@0:         kFitCenter_ScaleType,
michael@0:         kFitEnd_ScaleType
michael@0:     };
michael@0:     ScaleType   getScaleType() const { return (ScaleType)fScaleType; }
michael@0:     void        setScaleType(ScaleType);
michael@0: 
michael@0:     bool    getImageMatrix(SkMatrix*) const;
michael@0:     void    setImageMatrix(const SkMatrix*);
michael@0: 
michael@0: protected:
michael@0:     // overrides
michael@0:     virtual bool    onEvent(const SkEvent&);
michael@0:     virtual void    onDraw(SkCanvas*);
michael@0:     virtual void    onInflate(const SkDOM&, const SkDOMNode*);
michael@0: 
michael@0: private:
michael@0:     SkString    fUri;
michael@0:     SkMatrix*   fMatrix;    // null or copy of caller's matrix ,,,,,
michael@0:     union {
michael@0:         SkAnimator* fAnim;
michael@0:         SkBitmap* fBitmap;
michael@0:     } fData;
michael@0:     uint8_t     fScaleType;
michael@0:     SkBool8     fDataIsAnim;    // as opposed to bitmap
michael@0:     SkBool8     fUriIsValid;
michael@0: 
michael@0:     void    onUriChange();
michael@0:     bool    getDataBounds(SkRect* bounds);
michael@0:     bool    freeData();
michael@0:     bool    ensureUriIsLoaded();
michael@0: 
michael@0:     typedef SkView INHERITED;
michael@0: };
michael@0: 
michael@0: #endif