1/*
2 * Copyright 2013 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "include/core/SkData.h"
9#include "include/core/SkMallocPixelRef.h"
10#include "src/core/SkAutoMalloc.h"
11#include "src/core/SkPixelRefPriv.h"
12#include "tests/Test.h"
13
14static void delete_uint8_proc(void* ptr, void*) {
15    delete[] static_cast<uint8_t*>(ptr);
16}
17
18static void set_to_one_proc(void*, void* context) {
19    *(static_cast<int*>(context)) = 1;
20}
21
22DEF_TEST(MallocPixelRef, reporter) {
23    REPORTER_ASSERT(reporter, true);
24    SkImageInfo info = SkImageInfo::MakeN32Premul(10, 13);
25    {
26        sk_sp<SkPixelRef> pr(
27            SkMallocPixelRef::MakeAllocate(info, info.minRowBytes() - 1));
28        // rowbytes too small.
29        REPORTER_ASSERT(reporter, nullptr == pr.get());
30    }
31    {
32        size_t rowBytes = info.minRowBytes() - 1;
33        size_t size = info.computeByteSize(rowBytes);
34        sk_sp<SkData> data(SkData::MakeUninitialized(size));
35        sk_sp<SkPixelRef> pr(
36            SkMallocPixelRef::MakeWithData(info, rowBytes, data));
37        // rowbytes too small.
38        REPORTER_ASSERT(reporter, nullptr == pr.get());
39    }
40    {
41        size_t rowBytes = info.minRowBytes() + info.bytesPerPixel();
42        size_t size = info.computeByteSize(rowBytes) - 1;
43        sk_sp<SkData> data(SkData::MakeUninitialized(size));
44        sk_sp<SkPixelRef> pr(
45            SkMallocPixelRef::MakeWithData(info, rowBytes, data));
46        // data too small.
47        REPORTER_ASSERT(reporter, nullptr == pr.get());
48    }
49    size_t rowBytes = info.minRowBytes() + info.bytesPerPixel();
50    size_t size = info.computeByteSize(rowBytes) + 9;
51    {
52        SkAutoMalloc memory(size);
53        auto pr = sk_make_sp<SkPixelRef>(info.width(), info.height(), memory.get(), rowBytes);
54        REPORTER_ASSERT(reporter, pr.get() != nullptr);
55        REPORTER_ASSERT(reporter, memory.get() == pr->pixels());
56    }
57    {
58        sk_sp<SkPixelRef> pr(
59            SkMallocPixelRef::MakeAllocate(info, rowBytes));
60        REPORTER_ASSERT(reporter, pr.get() != nullptr);
61        REPORTER_ASSERT(reporter, pr->pixels());
62    }
63    {
64        void* addr = static_cast<void*>(new uint8_t[size]);
65        sk_sp<SkPixelRef> pr(
66            SkMakePixelRefWithProc(info.width(), info.height(), rowBytes, addr, delete_uint8_proc,
67                                   nullptr));
68        REPORTER_ASSERT(reporter, pr.get() != nullptr);
69        REPORTER_ASSERT(reporter, addr == pr->pixels());
70    }
71    {
72        int x = 0;
73        SkAutoMalloc memory(size);
74        sk_sp<SkPixelRef> pr(
75            SkMakePixelRefWithProc(info.width(), info.height(), rowBytes, memory.get(),
76                                   set_to_one_proc, static_cast<void*>(&x)));
77        REPORTER_ASSERT(reporter, pr.get() != nullptr);
78        REPORTER_ASSERT(reporter, memory.get() == pr->pixels());
79        REPORTER_ASSERT(reporter, 0 == x);
80        pr.reset(nullptr);
81        // make sure that set_to_one_proc was called.
82        REPORTER_ASSERT(reporter, 1 == x);
83    }
84    {
85        void* addr = static_cast<void*>(new uint8_t[size]);
86        REPORTER_ASSERT(reporter, addr != nullptr);
87        sk_sp<SkPixelRef> pr(
88            SkMakePixelRefWithProc(info.width(), info.height(), rowBytes, addr, delete_uint8_proc,
89                                   nullptr));
90        REPORTER_ASSERT(reporter, addr == pr->pixels());
91    }
92    {
93        sk_sp<SkData> data(SkData::MakeUninitialized(size));
94        SkData* dataPtr = data.get();
95        REPORTER_ASSERT(reporter, dataPtr->unique());
96        sk_sp<SkPixelRef> pr = SkMallocPixelRef::MakeWithData(info, rowBytes, data);
97        REPORTER_ASSERT(reporter, !(dataPtr->unique()));
98        data.reset(nullptr);
99        REPORTER_ASSERT(reporter, dataPtr->unique());
100        REPORTER_ASSERT(reporter, dataPtr->data() == pr->pixels());
101    }
102}
103