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1 /* |
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2 * Copyright 2012 Google Inc. |
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3 * |
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4 * Use of this source code is governed by a BSD-style license that can be |
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5 * found in the LICENSE file. |
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6 */ |
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7 |
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8 #include "SkAnnotation.h" |
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9 #include "SkData.h" |
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10 #include "SkReadBuffer.h" |
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11 #include "SkWriteBuffer.h" |
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12 #include "SkPoint.h" |
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13 #include "SkStream.h" |
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14 |
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15 SkAnnotation::SkAnnotation(const char key[], SkData* value) : fKey(key) { |
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16 if (NULL == value) { |
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17 value = SkData::NewEmpty(); |
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18 } else { |
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19 value->ref(); |
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20 } |
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21 fData = value; |
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22 } |
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23 |
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24 SkAnnotation::~SkAnnotation() { |
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25 fData->unref(); |
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26 } |
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27 |
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28 SkData* SkAnnotation::find(const char key[]) const { |
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29 return fKey.equals(key) ? fData : NULL; |
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30 } |
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31 |
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32 SkAnnotation::SkAnnotation(SkReadBuffer& buffer) { |
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33 buffer.readString(&fKey); |
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34 fData = buffer.readByteArrayAsData(); |
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35 } |
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36 |
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37 void SkAnnotation::writeToBuffer(SkWriteBuffer& buffer) const { |
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38 buffer.writeString(fKey.c_str()); |
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39 buffer.writeDataAsByteArray(fData); |
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40 } |
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41 |
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42 const char* SkAnnotationKeys::URL_Key() { |
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43 return "SkAnnotationKey_URL"; |
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44 }; |
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45 |
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46 const char* SkAnnotationKeys::Define_Named_Dest_Key() { |
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47 return "SkAnnotationKey_Define_Named_Dest"; |
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48 }; |
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49 |
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50 const char* SkAnnotationKeys::Link_Named_Dest_Key() { |
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51 return "SkAnnotationKey_Link_Named_Dest"; |
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52 }; |
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53 |
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54 /////////////////////////////////////////////////////////////////////////////// |
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55 |
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56 #include "SkCanvas.h" |
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57 |
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58 static void annotate_paint(SkPaint& paint, const char* key, SkData* value) { |
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59 paint.setAnnotation(SkAnnotation::Create(key, value))->unref(); |
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60 } |
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61 |
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62 void SkAnnotateRectWithURL(SkCanvas* canvas, const SkRect& rect, SkData* value) { |
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63 if (NULL == value) { |
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64 return; |
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65 } |
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66 SkPaint paint; |
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67 annotate_paint(paint, SkAnnotationKeys::URL_Key(), value); |
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68 canvas->drawRect(rect, paint); |
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69 } |
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70 |
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71 void SkAnnotateNamedDestination(SkCanvas* canvas, const SkPoint& point, SkData* name) { |
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72 if (NULL == name) { |
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73 return; |
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74 } |
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75 SkPaint paint; |
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76 annotate_paint(paint, SkAnnotationKeys::Define_Named_Dest_Key(), name); |
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77 canvas->drawPoint(point.x(), point.y(), paint); |
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78 } |
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79 |
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80 void SkAnnotateLinkToDestination(SkCanvas* canvas, const SkRect& rect, SkData* name) { |
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81 if (NULL == name) { |
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82 return; |
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83 } |
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84 SkPaint paint; |
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85 annotate_paint(paint, SkAnnotationKeys::Link_Named_Dest_Key(), name); |
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86 canvas->drawRect(rect, paint); |
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87 } |