Expose SkPicture::willPlayBackBitmaps()
This returns true if (1) the picture has finished recording and
(2) this picture or any picture drawn into it refers to any bitmaps.
It allows clients doing complicated manipulations of the picture to
early-out when there are no bitmaps present.
BUG=303281
R=reed@google.com
git-svn-id: http://skia.googlecode.com/svn/trunk@11935 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/PictureTest.cpp b/tests/PictureTest.cpp
index c7ddcbc..9ef4bb0 100644
--- a/tests/PictureTest.cpp
+++ b/tests/PictureTest.cpp
@@ -182,6 +182,7 @@
for (size_t k = 0; k < SK_ARRAY_COUNT(procs); ++k) {
SkAutoTUnref<SkPicture> pic(record_bitmaps(bm, pos, N, procs[k]));
+ REPORTER_ASSERT(reporter, pic->willPlayBackBitmaps() || N == 0);
// quick check for a small piece of each quadrant, which should just
// contain 1 bitmap.
for (size_t i = 0; i < SK_ARRAY_COUNT(pos); ++i) {
@@ -607,6 +608,49 @@
REPORTER_ASSERT(reporter, testCanvas.getClipCount() == 2);
}
+static void test_hierarchical(skiatest::Reporter* reporter) {
+ SkBitmap bm;
+ make_bm(&bm, 10, 10, SK_ColorRED, true);
+
+ SkCanvas* canvas;
+
+ SkPicture childPlain;
+ childPlain.beginRecording(10, 10);
+ childPlain.endRecording();
+ REPORTER_ASSERT(reporter, !childPlain.willPlayBackBitmaps()); // 0
+
+ SkPicture childWithBitmap;
+ childWithBitmap.beginRecording(10, 10)->drawBitmap(bm, 0, 0);
+ childWithBitmap.endRecording();
+ REPORTER_ASSERT(reporter, childWithBitmap.willPlayBackBitmaps()); // 1
+
+ SkPicture parentPP;
+ canvas = parentPP.beginRecording(10, 10);
+ canvas->drawPicture(childPlain);
+ parentPP.endRecording();
+ REPORTER_ASSERT(reporter, !parentPP.willPlayBackBitmaps()); // 0
+
+ SkPicture parentPWB;
+ canvas = parentPWB.beginRecording(10, 10);
+ canvas->drawPicture(childWithBitmap);
+ parentPWB.endRecording();
+ REPORTER_ASSERT(reporter, parentPWB.willPlayBackBitmaps()); // 1
+
+ SkPicture parentWBP;
+ canvas = parentWBP.beginRecording(10, 10);
+ canvas->drawBitmap(bm, 0, 0);
+ canvas->drawPicture(childPlain);
+ parentWBP.endRecording();
+ REPORTER_ASSERT(reporter, parentWBP.willPlayBackBitmaps()); // 1
+
+ SkPicture parentWBWB;
+ canvas = parentWBWB.beginRecording(10, 10);
+ canvas->drawBitmap(bm, 0, 0);
+ canvas->drawPicture(childWithBitmap);
+ parentWBWB.endRecording();
+ REPORTER_ASSERT(reporter, parentWBWB.willPlayBackBitmaps()); // 2
+}
+
static void TestPicture(skiatest::Reporter* reporter) {
#ifdef SK_DEBUG
test_deleting_empty_playback();
@@ -620,6 +664,7 @@
test_clone_empty(reporter);
test_clip_bound_opt(reporter);
test_clip_expansion(reporter);
+ test_hierarchical(reporter);
}
#include "TestClassDef.h"