split SkPictureRecorder out of SkPicture

tools/bench_record.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCommandLineFlags.h"
 #include "SkForceLinking.h"
 #include "SkGraphics.h"
@@ skipping 12 matching lines @@
 // recording, and this should take ~20 seconds to run.
 
 DEFINE_string2(skps, r, "skps", "Directory containing SKPs to read and re-record.");
 DEFINE_int32(loops, 900, "Number of times to re-record each SKP.");
 DEFINE_int32(flags, SkPicture::kUsePathBoundsForClip_RecordingFlag, "RecordingFlags to use.");
 DEFINE_bool(endRecording, true, "If false, don't time SkPicture::endRecording()");
 DEFINE_int32(nullSize, 1000, "Pretend dimension of null source picture.");
 DEFINE_int32(tileGridSize, 512, "Set the tile grid size. Has no effect if bbh is not set to tilegrid.");
 DEFINE_string(bbh, "", "Turn on the bbh and select the type, one of rtree, tilegrid, quadtree");
 
-typedef SkPicture* (*PictureFactory)(const int width, const int height, int* recordingFlags);
+typedef SkPictureFactory* (*PictureFactory)(int* recordingFlags);
 
-static SkPicture* vanilla_factory(const int width, const int height, int* recordingFlags) {
-    return SkNEW(SkPicture);
+static SkPictureFactory* vanilla_factory(int* recordingFlags) {
+    return NULL;
 }
 
-static SkPicture* rtree_factory(const int width, const int height, int* recordingFlags) {
+static SkPictureFactory* rtree_factory(int* recordingFlags) {
     *recordingFlags |= SkPicture::kOptimizeForClippedPlayback_RecordingFlag;
-    return SkNEW(SkPicture);
+    return NULL;
 }
 
-static SkPicture* tilegrid_factory(const int width, const int height, int* recordingFlags) {
+static SkPictureFactory* tilegrid_factory(int* recordingFlags) {
     *recordingFlags |= SkPicture::kOptimizeForClippedPlayback_RecordingFlag;
     SkTileGridPicture::TileGridInfo info;
     info.fTileInterval.set(FLAGS_tileGridSize, FLAGS_tileGridSize);
     info.fMargin.setEmpty();
     info.fOffset.setZero();
-    return SkNEW_ARGS(SkTileGridPicture, (width, height, info));
+    return SkNEW_ARGS(SkTileGridPictureFactory, (info));
 }
 
-static SkPicture* quadtree_factory(const int width, const int height, int* recordingFlags) {
+static SkPictureFactory* quadtree_factory(int* recordingFlags) {
     *recordingFlags |= SkPicture::kOptimizeForClippedPlayback_RecordingFlag;
-    return SkNEW_ARGS(SkQuadTreePicture, (SkIRect::MakeWH(width, height)));
+    return SkNEW(SkQuadTreePictureFactory);
 }
 
 static PictureFactory parse_FLAGS_bbh() {
-    if (FLAGS_bbh.isEmpty()) { return &vanilla_factory; }
+    if (FLAGS_bbh.isEmpty()) { 
+        return &vanilla_factory; 
+    }
     if (FLAGS_bbh.count() != 1) {
         SkDebugf("Multiple bbh arguments supplied.\n");
         return NULL;
     }
-    if (FLAGS_bbh.contains("rtree")) { return rtree_factory; }
-    if (FLAGS_bbh.contains("tilegrid")) { return tilegrid_factory; }
-    if (FLAGS_bbh.contains("quadtree")) { return quadtree_factory; }
+    if (FLAGS_bbh.contains("rtree")) { 
+        return rtree_factory; 
+    }
+    if (FLAGS_bbh.contains("tilegrid")) { 
+        return tilegrid_factory; 
+    }
+    if (FLAGS_bbh.contains("quadtree")) { 
+        return quadtree_factory; 
+    }
     SkDebugf("Invalid bbh type %s, must be one of rtree, tilegrid, quadtree.\n", FLAGS_bbh[0]);
     return NULL;
 }
 
 static void bench_record(SkPicture* src, const char* name, PictureFactory pictureFactory) {
     const SkMSec start = SkTime::GetMSecs();
     const int width  = src ? src->width()  : FLAGS_nullSize;
     const int height = src ? src->height() : FLAGS_nullSize;
 
     for (int i = 0; i < FLAGS_loops; i++) {
         int recordingFlags = FLAGS_flags;
-        SkAutoTUnref<SkPicture> dst(pictureFactory(width, height, &recordingFlags));
-        SkCanvas* canvas = dst->beginRecording(width, height, recordingFlags);
+        SkAutoTUnref<SkPictureFactory> factory(pictureFactory(&recordingFlags));
+        SkPictureRecorder recorder(factory);
+        SkCanvas* canvas = recorder.beginRecording(width, height, recordingFlags);
         if (NULL != src) {
             src->draw(canvas);
         }
         if (FLAGS_endRecording) {
-            dst->endRecording();
+            SkAutoTUnref<SkPicture> dst(recorder.endRecording());
         }
     }
 
     const SkMSec elapsed = SkTime::GetMSecs() - start;
     const double msPerLoop = elapsed / (double)FLAGS_loops;
     printf("%.2g\t%s\n", msPerLoop, name);
 }
 
 int tool_main(int argc, char** argv);
 int tool_main(int argc, char** argv) {
@@ skipping 30 matching lines @@
         bench_record(src, filename.c_str(), pictureFactory);
     }
     return failed ? 1 : 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif