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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include "PathParser.h"
#include "VectorDrawable.h"
#include "utils/MathUtils.h"
#include "utils/VectorDrawableUtils.h"
#include <functional>
namespace android {
namespace uirenderer {
struct TestData {
const char* pathString;
const PathData pathData;
const std::function<void(SkPath*)> skPathLamda;
};
const static TestData sTestDataSet[] = {
// TestData with scientific notation -2e3 etc.
{// Path
"M2.000000,22.000000l20.000000,0.000000 1e0-2e3z",
{
// Verbs
{'M', 'l', 'z'},
// Verb sizes
{2, 4, 0},
// Points
{2, 22, 20, 0, 1, -2000},
},
[](SkPath* outPath) {
outPath->moveTo(2, 22);
outPath->rLineTo(20, 0);
outPath->rLineTo(1, -2000);
outPath->close();
outPath->moveTo(2, 22);
}},
// Comprehensive data, containing all the verbs possible.
{// Path
"M 1 1 m 2 2, l 3 3 L 3 3 H 4 h4 V5 v5, Q6 6 6 6 q 6 6 6 6t 7 7 T 7 7 C 8 8 8 8 8 8 c 8 8 "
"8 8 8 8 S 9 9 9 9 s 9 9 9 9 A 10 10 0 1 1 10 10 a 10 10 0 1 1 10 10",
{// Verbs
{'M', 'm', 'l', 'L', 'H', 'h', 'V', 'v', 'Q', 'q', 't', 'T', 'C', 'c', 'S', 's', 'A',
'a'},
// VerbSizes
{2, 2, 2, 2, 1, 1, 1, 1, 4, 4, 2, 2, 6, 6, 4, 4, 7, 7},
// Points
{
1.0, 1.0, 2.0, 2.0, 3.0, 3.0, 3.0, 3.0, 4.0, 4.0, 5.0, 5.0, 6.0, 6.0, 6.0,
6.0, 6.0, 6.0, 6.0, 6.0, 7.0, 7.0, 7.0, 7.0, 8.0, 8.0, 8.0, 8.0, 8.0, 8.0,
8.0, 8.0, 8.0, 8.0, 8.0, 8.0, 9.0, 9.0, 9.0, 9.0, 9.0, 9.0, 9.0, 9.0, 10.0,
10.0, 0.0, 1.0, 1.0, 10.0, 10.0, 10.0, 10.0, 0.0, 1.0, 1.0, 10.0, 10.0,
}},
[](SkPath* outPath) {
outPath->moveTo(1.0, 1.0);
outPath->rMoveTo(2.0, 2.0);
outPath->rLineTo(3.0, 3.0);
outPath->lineTo(3.0, 3.0);
outPath->lineTo(4.0, 3.0);
outPath->rLineTo(4.0, 0);
outPath->lineTo(8.0, 5.0);
outPath->rLineTo(0, 5.0);
outPath->quadTo(6.0, 6.0, 6.0, 6.0);
outPath->rQuadTo(6.0, 6.0, 6.0, 6.0);
outPath->rQuadTo(0.0, 0.0, 7.0, 7.0);
outPath->quadTo(26.0, 26.0, 7.0, 7.0);
outPath->cubicTo(8.0, 8.0, 8.0, 8.0, 8.0, 8.0);
outPath->rCubicTo(8.0, 8.0, 8.0, 8.0, 8.0, 8.0);
outPath->cubicTo(16.0, 16.0, 9.0, 9.0, 9.0, 9.0);
outPath->rCubicTo(0.0, 0.0, 9.0, 9.0, 9.0, 9.0);
outPath->arcTo(10.0, 10.0, 0.0, SkPath::kLarge_ArcSize, SkPathDirection::kCW, 10.0,
10.0);
outPath->arcTo(10.0, 10.0, 0.0, SkPath::kLarge_ArcSize, SkPathDirection::kCW, 20.0,
20.0);
}},
// Check box VectorDrawable path data
{// Path
"M 0.0,-1.0 l 0.0,0.0 c 0.5522847498,0.0 1.0,0.4477152502 1.0,1.0 l 0.0,0.0 c "
"0.0,0.5522847498 -0.4477152502,1.0 -1.0,1.0 l 0.0,0.0 c -0.5522847498,0.0 "
"-1.0,-0.4477152502 -1.0,-1.0 l 0.0,0.0 c 0.0,-0.5522847498 0.4477152502,-1.0 1.0,-1.0 Z "
"M 7.0,-9.0 c 0.0,0.0 -14.0,0.0 -14.0,0.0 c -1.1044921875,0.0 -2.0,0.8955078125 -2.0,2.0 "
"c 0.0,0.0 0.0,14.0 0.0,14.0 c 0.0,1.1044921875 0.8955078125,2.0 2.0,2.0 c 0.0,0.0 "
"14.0,0.0 14.0,0.0 c 1.1044921875,0.0 2.0,-0.8955078125 2.0,-2.0 c 0.0,0.0 0.0,-14.0 "
"0.0,-14.0 c 0.0,-1.1044921875 -0.8955078125,-2.0 -2.0,-2.0 c 0.0,0.0 0.0,0.0 0.0,0.0 Z",
{
{'M', 'l', 'c', 'l', 'c', 'l', 'c', 'l', 'c', 'Z', 'M',
'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'Z'},
{2, 2, 6, 2, 6, 2, 6, 2, 6, 0, 2, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0},
{0.0, -1.0, 0.0, 0.0, 0.5522848, 0.0, 1.0,
0.44771525, 1.0, 1.0, 0.0, 0.0, 0.0, 0.5522848,
-0.44771525, 1.0, -1.0, 1.0, 0.0, 0.0, -0.5522848,
0.0, -1.0, -0.44771525, -1.0, -1.0, 0.0, 0.0,
0.0, -0.5522848, 0.44771525, -1.0, 1.0, -1.0, 7.0,
-9.0, 0.0, 0.0, -14.0, 0.0, -14.0, 0.0,
-1.1044922, 0.0, -2.0, 0.8955078, -2.0, 2.0, 0.0,
0.0, 0.0, 14.0, 0.0, 14.0, 0.0, 1.1044922,
0.8955078, 2.0, 2.0, 2.0, 0.0, 0.0, 14.0,
0.0, 14.0, 0.0, 1.1044922, 0.0, 2.0, -0.8955078,
2.0, -2.0, 0.0, 0.0, 0.0, -14.0, 0.0,
-14.0, 0.0, -1.1044922, -0.8955078, -2.0, -2.0, -2.0,
0.0, 0.0, 0.0, 0.0, 0.0, 0.0},
},
[](SkPath* outPath) {
outPath->moveTo(0.0, -1.0);
outPath->rLineTo(0.0, 0.0);
outPath->rCubicTo(0.5522848, 0.0, 1.0, 0.44771525, 1.0, 1.0);
outPath->rLineTo(0.0, 0.0);
outPath->rCubicTo(0.0, 0.5522848, -0.44771525, 1.0, -1.0, 1.0);
outPath->rLineTo(0.0, 0.0);
outPath->rCubicTo(-0.5522848, 0.0, -1.0, -0.44771525, -1.0, -1.0);
outPath->rLineTo(0.0, 0.0);
outPath->rCubicTo(0.0, -0.5522848, 0.44771525, -1.0, 1.0, -1.0);
outPath->close();
outPath->moveTo(0.0, -1.0);
outPath->moveTo(7.0, -9.0);
outPath->rCubicTo(0.0, 0.0, -14.0, 0.0, -14.0, 0.0);
outPath->rCubicTo(-1.1044922, 0.0, -2.0, 0.8955078, -2.0, 2.0);
outPath->rCubicTo(0.0, 0.0, 0.0, 14.0, 0.0, 14.0);
outPath->rCubicTo(0.0, 1.1044922, 0.8955078, 2.0, 2.0, 2.0);
outPath->rCubicTo(0.0, 0.0, 14.0, 0.0, 14.0, 0.0);
outPath->rCubicTo(1.1044922, 0.0, 2.0, -0.8955078, 2.0, -2.0);
outPath->rCubicTo(0.0, 0.0, 0.0, -14.0, 0.0, -14.0);
outPath->rCubicTo(0.0, -1.1044922, -0.8955078, -2.0, -2.0, -2.0);
outPath->rCubicTo(0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
outPath->close();
outPath->moveTo(7.0, -9.0);
}},
// pie1 in progress bar
{"M300,70 a230,230 0 1,0 1,0 z",
{
{
'M', 'a', 'z',
},
{
2, 7, 0,
},
{
300.0, 70.0, 230.0, 230.0, 0.0, 1.0, 0.0, 1.0, 0.0,
},
},
[](SkPath* outPath) {
outPath->moveTo(300.0, 70.0);
outPath->arcTo(230.0, 230.0, 0.0, SkPath::kLarge_ArcSize, SkPathDirection::kCCW,
301.0, 70.0);
outPath->close();
outPath->moveTo(300.0, 70.0);
}},
// Random long data
{// Path
"M5.3,13.2c-0.1,0.0 -0.3,0.0 -0.4,-0.1c-0.3,-0.2 -0.4,-0.7 -0.2,-1.0c1.3,-1.9 2.9,-3.4 "
"4.9,-4.5c4.1,-2.2 9.3,-2.2 13.4,0.0c1.9,1.1 3.6,2.5 4.9,4.4c0.2,0.3 0.1,0.8 "
"-0.2,1.0c-0.3,0.2 -0.8,0.1 -1.0,-0.2c-1.2,-1.7 -2.6,-3.0 -4.3,-4.0c-3.7,-2.0 -8.3,-2.0 "
"-12.0,0.0c-1.7,0.9 -3.2,2.3 -4.3,4.0C5.7,13.1 5.5,13.2 5.3,13.2z",
{
// Verbs
{'M', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'C', 'z'},
// Verb sizes
{2, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0},
// Points
{5.3, 13.2, -0.1, 0, -0.3, 0, -0.4, -0.1, -0.3, -0.2, -0.4, -0.7, -0.2, -1,
1.3, -1.9, 2.9, -3.4, 4.9, -4.5, 4.1, -2.2, 9.3, -2.2, 13.4, 0, 1.9, 1.1,
3.6, 2.5, 4.9, 4.4, 0.2, 0.3, 0.1, 0.8, -0.2, 1, -0.3, 0.2, -0.8, 0.1,
-1, -0.2, -1.2, -1.7, -2.6, -3, -4.3, -4, -3.7, -2, -8.3, -2, -12, 0,
-1.7, 0.9, -3.2, 2.3, -4.3, 4, 5.7, 13.1, 5.5, 13.2, 5.3, 13.2},
},
[](SkPath* outPath) {
outPath->moveTo(5.3, 13.2);
outPath->rCubicTo(-0.1, 0.0, -0.3, 0.0, -0.4, -0.1);
outPath->rCubicTo(-0.3, -0.2, -0.4, -0.7, -0.2, -1.0);
outPath->rCubicTo(1.3, -1.9, 2.9, -3.4, 4.9, -4.5);
outPath->rCubicTo(4.1, -2.2, 9.3, -2.2, 13.4, 0.0);
outPath->rCubicTo(1.9, 1.1, 3.6, 2.5, 4.9, 4.4);
outPath->rCubicTo(0.2, 0.3, 0.1, 0.8, -0.2, 1.0);
outPath->rCubicTo(-0.3, 0.2, -0.8, 0.1, -1.0, -0.2);
outPath->rCubicTo(-1.2, -1.7, -2.6, -3.0, -4.3, -4.0);
outPath->rCubicTo(-3.7, -2.0, -8.3, -2.0, -12.0, 0.0);
outPath->rCubicTo(-1.7, 0.9, -3.2, 2.3, -4.3, 4.0);
outPath->cubicTo(5.7, 13.1, 5.5, 13.2, 5.3, 13.2);
outPath->close();
outPath->moveTo(5.3, 13.2);
}},
// Extreme case with numbers and decimal points crunched together
{// Path
"l0.0.0.5.0.0.5-0.5.0.0-.5z",
{
// Verbs
{'l', 'z'},
// Verb sizes
{10, 0},
// Points
{0, 0, 0.5, 0, 0, 0.5, -0.5, 0, 0, -0.5},
},
[](SkPath* outPath) {
outPath->rLineTo(0.0, 0.0);
outPath->rLineTo(0.5, 0.0);
outPath->rLineTo(0.0, 0.5);
outPath->rLineTo(-0.5, 0.0);
outPath->rLineTo(0.0, -0.5);
outPath->close();
outPath->moveTo(0.0, 0.0);
}},
// Empty test data
{"",
{
// Verbs
{},
{},
{},
},
[](SkPath* outPath) {}}
};
struct StringPath {
const char* stringPath;
bool isValid;
};
const StringPath sStringPaths[] = {
{"3e...3", false}, // Not starting with a verb and ill-formatted float
{"L.M.F.A.O", false}, // No floats following verbs
{"m 1 1", true}, // Valid path data
{"\n \t z", true}, // Valid path data with leading spaces
{"1-2e34567", false}, // Not starting with a verb and ill-formatted float
{"f 4 5", false}, // Invalid verb
{"\r ", false}, // Empty string
{"L1,0 L1,1 L0,1 z M1000", false} // Not enough floats following verb M.
};
static bool hasSameVerbs(const PathData& from, const PathData& to) {
return from.verbs == to.verbs && from.verbSizes == to.verbSizes;
}
TEST(PathParser, parseStringForData) {
for (const TestData& testData : sTestDataSet) {
PathParser::ParseResult result;
// Test generated path data against the given data.
PathData pathData;
size_t length = strlen(testData.pathString);
PathParser::getPathDataFromAsciiString(&pathData, &result, testData.pathString, length);
EXPECT_EQ(testData.pathData, pathData);
}
for (StringPath stringPath : sStringPaths) {
PathParser::ParseResult result;
PathData pathData;
SkPath skPath;
PathParser::getPathDataFromAsciiString(&pathData, &result, stringPath.stringPath,
strlen(stringPath.stringPath));
EXPECT_EQ(stringPath.isValid, !result.failureOccurred);
}
}
TEST(VectorDrawableUtils, createSkPathFromPathData) {
for (const TestData& testData : sTestDataSet) {
SkPath expectedPath;
testData.skPathLamda(&expectedPath);
SkPath actualPath;
VectorDrawableUtils::verbsToPath(&actualPath, testData.pathData);
EXPECT_EQ(expectedPath, actualPath);
}
}
TEST(PathParser, parseAsciiStringForSkPath) {
for (const TestData& testData : sTestDataSet) {
PathParser::ParseResult result;
size_t length = strlen(testData.pathString);
// Check the return value as well as the SkPath generated.
SkPath actualPath;
PathParser::parseAsciiStringForSkPath(&actualPath, &result, testData.pathString, length);
bool hasValidData = !result.failureOccurred;
EXPECT_EQ(hasValidData, testData.pathData.verbs.size() > 0);
SkPath expectedPath;
testData.skPathLamda(&expectedPath);
EXPECT_EQ(expectedPath, actualPath);
}
for (StringPath stringPath : sStringPaths) {
PathParser::ParseResult result;
SkPath skPath;
PathParser::parseAsciiStringForSkPath(&skPath, &result, stringPath.stringPath,
strlen(stringPath.stringPath));
EXPECT_EQ(stringPath.isValid, !result.failureOccurred);
}
}
TEST(VectorDrawableUtils, morphPathData) {
for (const TestData& fromData : sTestDataSet) {
for (const TestData& toData : sTestDataSet) {
bool canMorph = VectorDrawableUtils::canMorph(fromData.pathData, toData.pathData);
if (fromData.pathData == toData.pathData) {
EXPECT_TRUE(canMorph);
} else {
bool expectedToMorph = hasSameVerbs(fromData.pathData, toData.pathData);
EXPECT_EQ(expectedToMorph, canMorph);
}
}
}
}
TEST(VectorDrawableUtils, interpolatePathData) {
// Interpolate path data with itself and every other path data
for (const TestData& fromData : sTestDataSet) {
for (const TestData& toData : sTestDataSet) {
PathData outData;
bool success = VectorDrawableUtils::interpolatePathData(&outData, fromData.pathData,
toData.pathData, 0.5);
bool expectedToMorph = hasSameVerbs(fromData.pathData, toData.pathData);
EXPECT_EQ(expectedToMorph, success);
}
}
float fractions[] = {0, 0.00001, 0.28, 0.5, 0.7777, 0.9999999, 1};
// Now try to interpolate with a slightly modified version of self and expect success
for (const TestData& fromData : sTestDataSet) {
PathData toPathData = fromData.pathData;
for (size_t i = 0; i < toPathData.points.size(); i++) {
toPathData.points[i]++;
}
const PathData& fromPathData = fromData.pathData;
PathData outData;
// Interpolate the two path data with different fractions
for (float fraction : fractions) {
bool success = VectorDrawableUtils::interpolatePathData(&outData, fromPathData,
toPathData, fraction);
EXPECT_TRUE(success);
for (size_t i = 0; i < outData.points.size(); i++) {
float expectedResult =
fromPathData.points[i] * (1.0 - fraction) + toPathData.points[i] * fraction;
EXPECT_TRUE(MathUtils::areEqual(expectedResult, outData.points[i]));
}
}
}
}
TEST(VectorDrawable, groupProperties) {
// TODO: Also need to test property sync and dirty flag when properties change.
VectorDrawable::Group group;
VectorDrawable::Group::GroupProperties* properties = group.mutateProperties();
// Test default values, change values through setters and verify the change through getters.
EXPECT_EQ(0.0f, properties->getTranslateX());
properties->setTranslateX(1.0f);
EXPECT_EQ(1.0f, properties->getTranslateX());
EXPECT_EQ(0.0f, properties->getTranslateY());
properties->setTranslateY(1.0f);
EXPECT_EQ(1.0f, properties->getTranslateY());
EXPECT_EQ(0.0f, properties->getRotation());
properties->setRotation(1.0f);
EXPECT_EQ(1.0f, properties->getRotation());
EXPECT_EQ(1.0f, properties->getScaleX());
properties->setScaleX(0.0f);
EXPECT_EQ(0.0f, properties->getScaleX());
EXPECT_EQ(1.0f, properties->getScaleY());
properties->setScaleY(0.0f);
EXPECT_EQ(0.0f, properties->getScaleY());
EXPECT_EQ(0.0f, properties->getPivotX());
properties->setPivotX(1.0f);
EXPECT_EQ(1.0f, properties->getPivotX());
EXPECT_EQ(0.0f, properties->getPivotY());
properties->setPivotY(1.0f);
EXPECT_EQ(1.0f, properties->getPivotY());
}
TEST(VectorDrawable, drawPathWithoutIncrementingShaderRefCount) {
VectorDrawable::FullPath path("m1 1", 4);
SkBitmap bitmap;
bitmap.allocN32Pixels(5, 5, false);
SkCanvas canvas(bitmap);
sk_sp<SkShader> shader = SkShaders::Color(SK_ColorBLACK);
// Initial ref count is 1
EXPECT_TRUE(shader->unique());
// Setting the fill gradient increments the ref count of the shader by 1
path.mutateStagingProperties()->setFillGradient(shader.get());
EXPECT_FALSE(shader->unique());
path.draw(&canvas, true);
// Resetting the fill gradient decrements the ref count of the shader by 1
path.mutateStagingProperties()->setFillGradient(nullptr);
EXPECT_TRUE(shader->unique());
}
} // namespace uirenderer
} // namespace android
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