move annotations to canvas virtual

In an effort to do it all at once, this change assumes that its ok to ignore annotations that were previously stored on paints in old SKP files (since this feature is only interesting to PDF printing).

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1744103002

Review URL: https://codereview.chromium.org/1744103002

1 files changed, 83 insertions, 0 deletions

diff --git a/tests/SerializationTest.cpp b/tests/SerializationTest.cpp
index a4e40c54ee..eb84b3c957 100644
--- a/tests/SerializationTest.cpp
+++ b/tests/SerializationTest.cpp
@@ -5,6 +5,7 @@
  * found in the LICENSE file.
  */
 
+#include "SkAnnotationKeys.h"
 #include "Resources.h"
 #include "SkCanvas.h"
 #include "SkFixed.h"
@@ -546,3 +547,85 @@ DEF_TEST(Serialization, reporter) {
 
     TestPictureTypefaceSerialization(reporter);
 }
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+#include "SkAnnotation.h"
+
+static SkPicture* copy_picture_via_serialization(SkPicture* src) {
+    SkDynamicMemoryWStream wstream;
+    src->serialize(&wstream);
+    SkAutoTDelete<SkStreamAsset> rstream(wstream.detachAsStream());
+    return SkPicture::CreateFromStream(rstream);
+}
+
+struct AnnotationRec {
+    const SkRect    fRect;
+    const char*     fKey;
+    SkData*         fValue;
+};
+
+class TestAnnotationCanvas : public SkCanvas {
+    skiatest::Reporter*     fReporter;
+    const AnnotationRec*    fRec;
+    int                     fCount;
+    int                     fCurrIndex;
+
+public:
+    TestAnnotationCanvas(skiatest::Reporter* reporter, const AnnotationRec rec[], int count)
+        : SkCanvas(100, 100)
+        , fReporter(reporter)
+        , fRec(rec)
+        , fCount(count)
+        , fCurrIndex(0)
+    {}
+
+    ~TestAnnotationCanvas() {
+        REPORTER_ASSERT(fReporter, fCount == fCurrIndex);
+    }
+
+protected:
+    void onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) {
+        REPORTER_ASSERT(fReporter, fCurrIndex < fCount);
+        REPORTER_ASSERT(fReporter, rect == fRec[fCurrIndex].fRect);
+        REPORTER_ASSERT(fReporter, !strcmp(key, fRec[fCurrIndex].fKey));
+        REPORTER_ASSERT(fReporter, value->equals(fRec[fCurrIndex].fValue));
+        fCurrIndex += 1;
+    }
+};
+
+/*
+ *  Test the 3 annotation types by recording them into a picture, serializing, and then playing
+ *  them back into another canvas.
+ */
+DEF_TEST(Annotations, reporter) {
+    SkPictureRecorder recorder;
+    SkCanvas* recordingCanvas = recorder.beginRecording(SkRect::MakeWH(100, 100));
+    
+    const char* str0 = "rect-with-url";
+    const SkRect r0 = SkRect::MakeWH(10, 10);
+    SkAutoTUnref<SkData> d0(SkData::NewWithCString(str0));
+    SkAnnotateRectWithURL(recordingCanvas, r0, d0);
+    
+    const char* str1 = "named-destination";
+    const SkRect r1 = SkRect::MakeXYWH(5, 5, 0, 0); // collapsed to a point
+    SkAutoTUnref<SkData> d1(SkData::NewWithCString(str1));
+    SkAnnotateNamedDestination(recordingCanvas, {r1.x(), r1.y()}, d1);
+    
+    const char* str2 = "link-to-destination";
+    const SkRect r2 = SkRect::MakeXYWH(20, 20, 5, 6);
+    SkAutoTUnref<SkData> d2(SkData::NewWithCString(str2));
+    SkAnnotateLinkToDestination(recordingCanvas, r2, d2);
+
+    const AnnotationRec recs[] = {
+        { r0, SkAnnotationKeys::URL_Key(),                  d0 },
+        { r1, SkAnnotationKeys::Define_Named_Dest_Key(),    d1 },
+        { r2, SkAnnotationKeys::Link_Named_Dest_Key(),      d2 },
+    };
+
+    SkAutoTUnref<SkPicture> pict0(recorder.endRecording());
+    SkAutoTUnref<SkPicture> pict1(copy_picture_via_serialization(pict0));
+
+    TestAnnotationCanvas canvas(reporter, recs, SK_ARRAY_COUNT(recs));
+    canvas.drawPicture(pict1);
+}
+