[go: nahoru, domu]
1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "tests/common/TestUtils.h"
18
19#include <gtest/gtest.h>
20#include <SkShader.h>
21#include <SkColorMatrixFilter.h>
22
23using namespace android;
24using namespace android::uirenderer;
25
26/**
27 * 1x1 bitmaps must not be optimized into solid color shaders, since HWUI can't
28 * compose/render color shaders
29 */
30TEST(SkiaBehavior, CreateBitmapShader1x1) {
31    SkBitmap origBitmap = TestUtils::createSkBitmap(1, 1);
32    SkAutoTUnref<SkShader> s(SkShader::CreateBitmapShader(
33            origBitmap,
34            SkShader::kClamp_TileMode,
35            SkShader::kRepeat_TileMode));
36
37    SkBitmap bitmap;
38    SkShader::TileMode xy[2];
39    ASSERT_TRUE(s->isABitmap(&bitmap, nullptr, xy))
40        << "1x1 bitmap shader must query as bitmap shader";
41    EXPECT_EQ(SkShader::kClamp_TileMode, xy[0]);
42    EXPECT_EQ(SkShader::kRepeat_TileMode, xy[1]);
43    EXPECT_EQ(origBitmap.pixelRef(), bitmap.pixelRef());
44}
45
46TEST(SkiaBehavior, genIds) {
47    SkBitmap bitmap = TestUtils::createSkBitmap(100, 100);
48    uint32_t genId = bitmap.getGenerationID();
49    bitmap.notifyPixelsChanged();
50    EXPECT_NE(genId, bitmap.getGenerationID());
51}
52
53TEST(SkiaBehavior, lightingColorFilter_simplify) {
54    {
55        SkAutoTUnref<SkColorFilter> filter(
56                SkColorMatrixFilter::CreateLightingFilter(0x11223344, 0));
57
58        SkColor observedColor;
59        SkXfermode::Mode observedMode;
60        ASSERT_TRUE(filter->asColorMode(&observedColor, &observedMode));
61        EXPECT_EQ(0xFF223344, observedColor);
62        EXPECT_EQ(SkXfermode::Mode::kModulate_Mode, observedMode);
63    }
64
65    {
66        SkAutoTUnref<SkColorFilter> failFilter(
67                SkColorMatrixFilter::CreateLightingFilter(0x11223344, 0x1));
68        EXPECT_FALSE(failFilter->asColorMode(nullptr, nullptr));
69    }
70}
71