reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2006 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef SkImageView_DEFINED |
| 18 | #define SkImageView_DEFINED |
| 19 | |
| 20 | #include "SkView.h" |
| 21 | #include "SkString.h" |
| 22 | |
| 23 | class SkAnimator; |
| 24 | class SkBitmap; |
| 25 | struct SkMatrix; |
| 26 | |
| 27 | class SkImageView : public SkView { |
| 28 | public: |
| 29 | SkImageView(); |
| 30 | virtual ~SkImageView(); |
| 31 | |
| 32 | void getUri(SkString*) const; |
| 33 | void setUri(const char []); |
| 34 | void setUri(const SkString&); |
| 35 | |
| 36 | |
| 37 | enum ScaleType { |
| 38 | kMatrix_ScaleType, |
| 39 | kFitXY_ScaleType, |
| 40 | kFitStart_ScaleType, |
| 41 | kFitCenter_ScaleType, |
| 42 | kFitEnd_ScaleType |
| 43 | }; |
| 44 | ScaleType getScaleType() const { return (ScaleType)fScaleType; } |
| 45 | void setScaleType(ScaleType); |
| 46 | |
| 47 | bool getImageMatrix(SkMatrix*) const; |
| 48 | void setImageMatrix(const SkMatrix*); |
| 49 | |
| 50 | protected: |
| 51 | // overrides |
| 52 | virtual bool onEvent(const SkEvent&); |
| 53 | virtual void onDraw(SkCanvas*); |
| 54 | virtual void onInflate(const SkDOM&, const SkDOMNode*); |
| 55 | |
| 56 | private: |
| 57 | SkString fUri; |
| 58 | SkMatrix* fMatrix; // null or copy of caller's matrix ,,,,, |
| 59 | union { |
| 60 | SkAnimator* fAnim; |
| 61 | SkBitmap* fBitmap; |
| 62 | } fData; |
| 63 | uint8_t fScaleType; |
| 64 | SkBool8 fDataIsAnim; // as opposed to bitmap |
| 65 | SkBool8 fUriIsValid; |
| 66 | |
| 67 | void onUriChange(); |
| 68 | bool getDataBounds(SkRect* bounds); |
| 69 | bool freeData(); |
| 70 | bool ensureUriIsLoaded(); |
| 71 | |
| 72 | typedef SkView INHERITED; |
| 73 | }; |
| 74 | |
| 75 | #endif |