[PDF] Add link annotations.
Review URL: https://codereview.appspot.com/6346100
git-svn-id: http://skia.googlecode.com/svn/trunk@4609 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/pdf/SkPDFDevice.cpp b/src/pdf/SkPDFDevice.cpp
index 55aae8d..bba703c 100644
--- a/src/pdf/SkPDFDevice.cpp
+++ b/src/pdf/SkPDFDevice.cpp
@@ -9,6 +9,7 @@
#include "SkPDFDevice.h"
+#include "SkAnnotation.h"
#include "SkColor.h"
#include "SkClipStack.h"
#include "SkData.h"
@@ -711,6 +712,10 @@
return;
}
+ if (handleAnnotations(r, *d.fMatrix, paint)) {
+ return;
+ }
+
ScopedContentEntry content(this, d, paint);
if (!content.entry()) {
return;
@@ -763,6 +768,10 @@
return;
}
+ if (handleAnnotations(pathPtr->getBounds(), *d.fMatrix, paint)) {
+ return;
+ }
+
ScopedContentEntry content(this, d, paint);
if (!content.entry()) {
return;
@@ -1113,6 +1122,10 @@
return mediaBox;
}
+SkRefPtr<SkPDFArray> SkPDFDevice::getAnnotations() const {
+ return SkRefPtr<SkPDFArray>(fAnnotations);
+}
+
SkStream* SkPDFDevice::content() const {
SkMemoryStream* result = new SkMemoryStream;
result->setData(this->copyContentToData())->unref();
@@ -1170,6 +1183,55 @@
return data.copyToData();
}
+bool SkPDFDevice::handleAnnotations(const SkRect& r, const SkMatrix& matrix,
+ const SkPaint& p) {
+ SkAnnotation* annotationInfo = p.getAnnotation();
+ if (!annotationInfo) {
+ return false;
+ }
+ SkData* urlData = annotationInfo->find(SkAnnotationKeys::URL_Key());
+ if (!urlData) {
+ return false;
+ }
+
+ SkString url(static_cast<const char *>(urlData->data()),
+ urlData->size() - 1);
+ SkMatrix transform = matrix;
+ transform.postConcat(fInitialTransform);
+ SkRect translatedRect;
+ transform.mapRect(&translatedRect, r);
+
+ if (fAnnotations.get() == NULL) {
+ fAnnotations = new SkPDFArray;
+ fAnnotations->unref(); // Both new and SkRefPtr took a reference.
+ }
+ SkAutoTUnref<SkPDFDict> annotation(new SkPDFDict("Annot"));
+ annotation->insertName("Subtype", "Link");
+ fAnnotations->append(annotation.get());
+
+ SkAutoTUnref<SkPDFArray> border(new SkPDFArray);
+ border->reserve(3);
+ border->appendInt(0); // Horizontal corner radius.
+ border->appendInt(0); // Vertical corner radius.
+ border->appendInt(0); // Width, 0 = no border.
+ annotation->insert("Border", border.get());
+
+ SkAutoTUnref<SkPDFArray> rect(new SkPDFArray);
+ rect->reserve(4);
+ rect->appendScalar(translatedRect.fLeft);
+ rect->appendScalar(translatedRect.fTop);
+ rect->appendScalar(translatedRect.fRight);
+ rect->appendScalar(translatedRect.fBottom);
+ annotation->insert("Rect", rect.get());
+
+ SkAutoTUnref<SkPDFDict> action(new SkPDFDict("Action"));
+ action->insertName("S", "URI");
+ action->insert("URI", new SkPDFString(url))->unref();
+ annotation->insert("A", action.get());
+
+ return p.isNoDrawAnnotation();
+}
+
void SkPDFDevice::createFormXObjectFromDevice(
SkRefPtr<SkPDFFormXObject>* xobject) {
*xobject = new SkPDFFormXObject(this);