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/*
* 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 "SkPaint.h"
#include "SkPoint.h"
#include "SkReadBuffer.h"
#include "SkWriteBuffer.h"
SkAnnotation::SkAnnotation(const char key[], SkData* value) : fKey(key) {
if (nullptr == 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 : nullptr;
}
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 (nullptr == 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 (nullptr == 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 (nullptr == name) {
return;
}
SkPaint paint;
annotate_paint(paint, SkAnnotationKeys::Link_Named_Dest_Key(), name);
canvas->drawRect(rect, paint);
}
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