| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkAnnotation.h" |
| #include "SkData.h" |
| #include "SkReadBuffer.h" |
| #include "SkWriteBuffer.h" |
| #include "SkPoint.h" |
| #include "SkStream.h" |
| |
| SkAnnotation::SkAnnotation(const char key[], SkData* value) : fKey(key) { |
| if (NULL == value) { |
| value = SkData::NewEmpty(); |
| } else { |
| value->ref(); |
| } |
| fData = value; |
| } |
| |
| SkAnnotation::~SkAnnotation() { |
| fData->unref(); |
| } |
| |
| SkData* SkAnnotation::find(const char key[]) const { |
| return fKey.equals(key) ? fData : NULL; |
| } |
| |
| SkAnnotation::SkAnnotation(SkReadBuffer& buffer) { |
| buffer.readString(&fKey); |
| fData = buffer.readByteArrayAsData(); |
| } |
| |
| void SkAnnotation::writeToBuffer(SkWriteBuffer& buffer) const { |
| buffer.writeString(fKey.c_str()); |
| buffer.writeDataAsByteArray(fData); |
| } |
| |
| const char* SkAnnotationKeys::URL_Key() { |
| return "SkAnnotationKey_URL"; |
| }; |
| |
| const char* SkAnnotationKeys::Define_Named_Dest_Key() { |
| return "SkAnnotationKey_Define_Named_Dest"; |
| }; |
| |
| const char* SkAnnotationKeys::Link_Named_Dest_Key() { |
| return "SkAnnotationKey_Link_Named_Dest"; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #include "SkCanvas.h" |
| |
| static void annotate_paint(SkPaint& paint, const char* key, SkData* value) { |
| paint.setAnnotation(SkAnnotation::Create(key, value))->unref(); |
| } |
| |
| void SkAnnotateRectWithURL(SkCanvas* canvas, const SkRect& rect, SkData* value) { |
| if (NULL == value) { |
| return; |
| } |
| SkPaint paint; |
| annotate_paint(paint, SkAnnotationKeys::URL_Key(), value); |
| canvas->drawRect(rect, paint); |
| } |
| |
| void SkAnnotateNamedDestination(SkCanvas* canvas, const SkPoint& point, SkData* name) { |
| if (NULL == name) { |
| return; |
| } |
| SkPaint paint; |
| annotate_paint(paint, SkAnnotationKeys::Define_Named_Dest_Key(), name); |
| canvas->drawPoint(point.x(), point.y(), paint); |
| } |
| |
| void SkAnnotateLinkToDestination(SkCanvas* canvas, const SkRect& rect, SkData* name) { |
| if (NULL == name) { |
| return; |
| } |
| SkPaint paint; |
| annotate_paint(paint, SkAnnotationKeys::Link_Named_Dest_Key(), name); |
| canvas->drawRect(rect, paint); |
| } |