| /* |
| * 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 "SkRecord.h" |
| #include "SkRecordOpts.h" |
| #include "SkRecorder.h" |
| #include "SkRecords.h" |
| |
| static const int W = 1920, H = 1080; |
| |
| // If the command we're reading is a U, set ptr to it, otherwise set it to NULL. |
| template <typename U> |
| struct ReadAs { |
| explicit ReadAs(const U** ptr) : ptr(ptr) {} |
| const U** ptr; |
| |
| void operator()(const U& r) { *ptr = &r; } |
| |
| template <typename T> |
| void operator()(const T&) { *ptr = NULL; } |
| }; |
| |
| // Assert that the ith command in record is of type T, and return it. |
| template <typename T> |
| static const T* assert_type(const SkRecord& record, unsigned index) { |
| const T* ptr = NULL; |
| ReadAs<T> reader(&ptr); |
| record.visit(index, reader); |
| SkASSERT(ptr != NULL); |
| return ptr; |
| } |
| |
| DEF_TEST(RecordOpts_Culling, r) { |
| SkRecord record; |
| SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, W, H); |
| |
| recorder.drawRect(SkRect::MakeWH(1000, 10000), SkPaint()); |
| |
| 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(); |
| |
| SkRecordAnnotateCullingPairs(&record); |
| |
| REPORTER_ASSERT(r, 6 == assert_type<SkRecords::PairedPushCull>(record, 1)->skip); |
| REPORTER_ASSERT(r, 2 == assert_type<SkRecords::PairedPushCull>(record, 4)->skip); |
| } |
| |
| static void draw_pos_text(SkCanvas* canvas, const char* text, bool constantY) { |
| const size_t len = strlen(text); |
| SkAutoTMalloc<SkPoint> pos(len); |
| for (size_t i = 0; i < len; i++) { |
| pos[i].fX = (SkScalar)i; |
| pos[i].fY = constantY ? SK_Scalar1 : (SkScalar)i; |
| } |
| canvas->drawPosText(text, len, pos, SkPaint()); |
| } |
| |
| DEF_TEST(RecordOpts_StrengthReduction, r) { |
| SkRecord record; |
| SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, W, H); |
| |
| // We can convert a drawPosText into a drawPosTextH when all the Ys are the same. |
| draw_pos_text(&recorder, "This will be reduced to drawPosTextH.", true); |
| draw_pos_text(&recorder, "This cannot be reduced to drawPosTextH.", false); |
| |
| SkRecordReduceDrawPosTextStrength(&record); |
| |
| assert_type<SkRecords::DrawPosTextH>(record, 0); |
| assert_type<SkRecords::DrawPosText>(record, 1); |
| } |
| |
| DEF_TEST(RecordOpts_TextBounding, r) { |
| SkRecord record; |
| SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, W, H); |
| |
| // First, get a drawPosTextH. Here's a handy way. Its text size will be the default (12). |
| draw_pos_text(&recorder, "This will be reduced to drawPosTextH.", true); |
| SkRecordReduceDrawPosTextStrength(&record); |
| |
| const SkRecords::DrawPosTextH* original = |
| assert_type<SkRecords::DrawPosTextH>(record, 0); |
| |
| // This should wrap the original DrawPosTextH with minY and maxY. |
| SkRecordBoundDrawPosTextH(&record); |
| |
| const SkRecords::BoundedDrawPosTextH* bounded = |
| assert_type<SkRecords::BoundedDrawPosTextH>(record, 0); |
| |
| const SkPaint defaults; |
| REPORTER_ASSERT(r, bounded->base == original); |
| REPORTER_ASSERT(r, bounded->minY <= SK_Scalar1 - defaults.getTextSize()); |
| REPORTER_ASSERT(r, bounded->maxY >= SK_Scalar1 + defaults.getTextSize()); |
| } |
| |
| DEF_TEST(RecordOpts_NoopSaveRestores, r) { |
| SkRecord record; |
| SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, W, H); |
| |
| // The second pass will clean up this pair after the first pass noops all the innards. |
| recorder.save(); |
| // A simple pointless pair of save/restore. |
| recorder.save(); |
| recorder.restore(); |
| |
| // As long as we don't draw in there, everything is a noop. |
| recorder.save(); |
| recorder.clipRect(SkRect::MakeWH(200, 200)); |
| recorder.clipRect(SkRect::MakeWH(100, 100)); |
| recorder.restore(); |
| recorder.restore(); |
| |
| // These will be kept (though some future optimization might noop the save and restore). |
| recorder.save(); |
| recorder.drawRect(SkRect::MakeWH(200, 200), SkPaint()); |
| recorder.restore(); |
| |
| SkRecordNoopSaveRestores(&record); |
| |
| for (unsigned index = 0; index < 8; index++) { |
| assert_type<SkRecords::NoOp>(record, index); |
| } |
| assert_type<SkRecords::Save>(record, 8); |
| assert_type<SkRecords::DrawRect>(record, 9); |
| assert_type<SkRecords::Restore>(record, 10); |
| } |