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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 "SkDataSet.h"
#include "SkFlattenableBuffers.h"
#include "SkPoint.h"
#include "SkStream.h"
SkAnnotation::SkAnnotation(SkDataSet* data, uint32_t flags) {
if (NULL == data) {
data = SkDataSet::NewEmpty();
} else {
data->ref();
}
fDataSet = data;
fFlags = flags;
}
SkAnnotation::~SkAnnotation() {
fDataSet->unref();
}
SkData* SkAnnotation::find(const char name[]) const {
return fDataSet->find(name);
}
SkAnnotation::SkAnnotation(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {
fFlags = buffer.readUInt();
fDataSet = buffer.readFlattenableT<SkDataSet>();
}
void SkAnnotation::flatten(SkFlattenableWriteBuffer& buffer) const {
buffer.writeUInt(fFlags);
buffer.writeFlattenable(fDataSet);
}
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) {
SkAutoTUnref<SkDataSet> dataset(SkNEW_ARGS(SkDataSet, (key, value)));
SkAnnotation* ann = SkNEW_ARGS(SkAnnotation, (dataset,
SkAnnotation::kNoDraw_Flag));
paint.setAnnotation(ann)->unref();
SkASSERT(paint.isNoDrawAnnotation());
}
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);
}
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