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/*
* 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 "Test.h"
#include "SkDebugCanvas.h"
#include "SkRecord.h"
#include "SkRecordCulling.h"
#include "SkRecordDraw.h"
#include "SkRecorder.h"
#include "SkRecords.h"
static const int W = 1920, H = 1080;
DEF_TEST(RecordDraw_Culling, r) {
// Record these 7 drawing commands verbatim.
SkRecord record;
SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, W, H);
recorder.pushCull(SkRect::MakeWH(100, 100));
recorder.drawRect(SkRect::MakeWH(10, 10), SkPaint());
recorder.drawRect(SkRect::MakeWH(30, 30), SkPaint());
recorder.pushCull(SkRect::MakeWH(5, 5));
recorder.drawRect(SkRect::MakeWH(1, 1), SkPaint());
recorder.popCull();
recorder.popCull();
// Take a pass over to match up pushCulls and popCulls.
SkRecordAnnotateCullingPairs(&record);
// Rerecord into another SkRecord using full SkCanvas semantics,
// tracking clips and allowing SkRecordDraw's quickReject() calls to work.
SkRecord rerecord;
SkRecorder rerecorder(SkRecorder::kReadWrite_Mode, &rerecord, W, H);
// This clip intersects the outer cull, but allows us to quick reject the inner one.
rerecorder.clipRect(SkRect::MakeLTRB(20, 20, 200, 200));
SkRecordDraw(record, &rerecorder);
// We'll keep the clipRect call from above, and the outer two drawRects, and the push/pop pair.
// If culling weren't working, we'd see 8 commands recorded here.
REPORTER_ASSERT(r, 5 == rerecord.count());
}
DEF_TEST(RecordDraw_Clipping, r) {
SkRecord record;
SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, W, H);
// 9 draw commands.
recorder.save();
recorder.clipRect(SkRect::MakeLTRB(0, 0, 100, 100));
recorder.drawRect(SkRect::MakeLTRB(20, 20, 40, 40), SkPaint());
recorder.save();
// This first clipRect makes the clip empty, so the next two commands do nothing.
recorder.clipRect(SkRect::MakeLTRB(200, 200, 300, 300));
recorder.clipRect(SkRect::MakeLTRB(210, 210, 250, 250)); // Skipped
recorder.drawRect(SkRect::MakeLTRB(220, 220, 240, 240), SkPaint()); // Skipped
recorder.restore();
recorder.restore();
// Same deal as above: we need full SkCanvas semantics for clip skipping to work.
SkRecord rerecord;
SkRecorder rerecorder(SkRecorder::kReadWrite_Mode, &rerecord, W, H);
SkRecordDraw(record, &rerecorder);
// All commands except the two marked // Skipped above will be preserved.
REPORTER_ASSERT(r, 7 == rerecord.count());
}
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