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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 "include/core/SkBitmap.h"
- #include "include/core/SkImageInfo.h"
- #include "include/core/SkShader.h"
- #include "src/core/SkRecord.h"
- #include "src/core/SkRecords.h"
- #include "tests/RecordTestUtils.h"
- #include "tests/Test.h"
- #include <new>
- // Sums the area of any DrawRect command it sees.
- class AreaSummer {
- public:
- AreaSummer() : fArea(0) {}
- template <typename T> void operator()(const T&) { }
- void operator()(const SkRecords::DrawRect& draw) {
- fArea += (int)(draw.rect.width() * draw.rect.height());
- }
- int area() const { return fArea; }
- void apply(const SkRecord& record) {
- for (int i = 0; i < record.count(); i++) {
- record.visit(i, *this);
- }
- }
- private:
- int fArea;
- };
- // Scales out the bottom-right corner of any DrawRect command it sees by 2x.
- struct Stretch {
- template <typename T> void operator()(T*) {}
- void operator()(SkRecords::DrawRect* draw) {
- draw->rect.fRight *= 2;
- draw->rect.fBottom *= 2;
- }
- void apply(SkRecord* record) {
- for (int i = 0; i < record->count(); i++) {
- record->mutate(i, *this);
- }
- }
- };
- #define APPEND(record, type, ...) new (record.append<type>()) type{__VA_ARGS__}
- // Basic tests for the low-level SkRecord code.
- DEF_TEST(Record, r) {
- SkRecord record;
- // Add a simple DrawRect command.
- SkRect rect = SkRect::MakeWH(10, 10);
- SkPaint paint;
- APPEND(record, SkRecords::DrawRect, paint, rect);
- // Its area should be 100.
- AreaSummer summer;
- summer.apply(record);
- REPORTER_ASSERT(r, summer.area() == 100);
- // Scale 2x.
- Stretch stretch;
- stretch.apply(&record);
- // Now its area should be 100 + 400.
- summer.apply(record);
- REPORTER_ASSERT(r, summer.area() == 500);
- }
- DEF_TEST(Record_defrag, r) {
- SkRecord record;
- APPEND(record, SkRecords::Save);
- APPEND(record, SkRecords::ClipRect);
- APPEND(record, SkRecords::NoOp);
- APPEND(record, SkRecords::DrawRect);
- APPEND(record, SkRecords::NoOp);
- APPEND(record, SkRecords::NoOp);
- APPEND(record, SkRecords::Restore);
- REPORTER_ASSERT(r, record.count() == 7);
- record.defrag();
- REPORTER_ASSERT(r, record.count() == 4);
- assert_type<SkRecords::Save >(r, record, 0);
- assert_type<SkRecords::ClipRect>(r, record, 1);
- assert_type<SkRecords::DrawRect>(r, record, 2);
- assert_type<SkRecords::Restore >(r, record, 3);
- }
- #undef APPEND
- template <typename T>
- static bool is_aligned(const T* p) {
- return (((uintptr_t)p) & (sizeof(T) - 1)) == 0;
- }
- DEF_TEST(Record_Alignment, r) {
- SkRecord record;
- REPORTER_ASSERT(r, is_aligned(record.alloc<uint8_t>()));
- REPORTER_ASSERT(r, is_aligned(record.alloc<uint16_t>()));
- REPORTER_ASSERT(r, is_aligned(record.alloc<uint32_t>()));
- REPORTER_ASSERT(r, is_aligned(record.alloc<void*>()));
- // It's not clear if we care that 8-byte values are aligned on 32-bit machines.
- if (sizeof(void*) == 8) {
- REPORTER_ASSERT(r, is_aligned(record.alloc<double>()));
- REPORTER_ASSERT(r, is_aligned(record.alloc<uint64_t>()));
- }
- }
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