static int comparePaths(const SkPath& one, const SkPath& two, SkBitmap& bitmap,
SkCanvas* canvas) {
int errors = pathsDrawTheSame(one, two, bitmap, canvas);
if (errors == 0) {
return 0;
}
drawAsciiPaths(one, two, gDrawAllAsciiPaths);
for (int x = 9; x <= 33; ++x) {
errors = scaledDrawTheSame(one, two, x, x - (x >> 2), gDrawAllAsciiPaths,
bitmap, canvas);
if (errors == 0) {
return 0;
}
}
if (!gDrawAllAsciiPaths) {
errors = scaledDrawTheSame(one, two, 9, 7, false, bitmap, canvas);
if (errors > 4) {
scaledDrawTheSame(one, two, 9, 7, true, bitmap, canvas);
}
}
if (errors > 0) SkDebugf("\n%s errors=%d\n", __FUNCTION__, errors);
if (errors > 4 && gComparePathsAssert) {
showPath(one);
showPath(two, "simplified:");
SkASSERT(0);
}
return errors;
}
static int comparePaths(skiatest::Reporter* reporter, const char* testName, const SkPath& one,
const SkPath& scaledOne, const SkPath& two, const SkPath& scaledTwo, SkBitmap& bitmap,
const SkPath& a, const SkPath& b, const SkPathOp shapeOp, const SkMatrix& scale,
bool expectSuccess) {
int errors2x2;
const int MAX_ERRORS = 8;
(void) pathsDrawTheSame(bitmap, scaledOne, scaledTwo, errors2x2);
if (!expectSuccess) {
if (errors2x2 < MAX_ERRORS) {
REPORTER_ASSERT(reporter, 0);
}
return 0;
}
if (errors2x2 == 0) {
return 0;
}
if (errors2x2 >= MAX_ERRORS) {
SkAutoMutexAcquire autoM(compareDebugOut3);
showPathOpPath(testName, one, two, a, b, scaledOne, scaledTwo, shapeOp, scale);
SkDebugf("\n/*");
REPORTER_ASSERT(reporter, 0);
SkDebugf(" */\n");
}
return errors2x2 >= MAX_ERRORS ? errors2x2 : 0;
}
static int pathsDrawTheSame(const SkPath& one, const SkPath& two, SkBitmap& bits, SkPath& scaledOne,
SkPath& scaledTwo, int& error2x2) {
SkMatrix scale;
scaleMatrix(one, two, scale);
one.transform(scale, &scaledOne);
two.transform(scale, &scaledTwo);
return pathsDrawTheSame(bits, scaledOne, scaledTwo, error2x2);
}
int comparePaths(skiatest::Reporter* reporter, const char* filename, const SkPath& one,
const SkPath& two, SkBitmap& bitmap) {
int errors2x2;
SkPath scaledOne, scaledTwo;
(void) pathsDrawTheSame(one, two, bitmap, scaledOne, scaledTwo, errors2x2);
if (errors2x2 == 0) {
return 0;
}
const int MAX_ERRORS = 9;
return errors2x2 > MAX_ERRORS ? errors2x2 : 0;
}
int comparePaths(const SkPath& one, const SkPath& two, SkBitmap& bitmap) {
int errors2x2;
SkPath scaledOne, scaledTwo;
int errors = pathsDrawTheSame(one, two, bitmap, scaledOne, scaledTwo, errors2x2);
if (errors2x2 == 0) {
return 0;
}
const int MAX_ERRORS = 9;
if (errors2x2 == MAX_ERRORS || errors2x2 == MAX_ERRORS - 1) {
showSimplifiedPath(one, two, scaledOne, scaledTwo);
}
if (errors2x2 > MAX_ERRORS && gComparePathsAssert) {
SkDebugf("%s errors=%d\n", __FUNCTION__, errors);
showSimplifiedPath(one, two, scaledOne, scaledTwo);
SkASSERT(0);
}
return errors2x2 > MAX_ERRORS ? errors2x2 : 0;
}
static int comparePaths(skiatest::Reporter* reporter, const SkPath& one, const SkPath& scaledOne,
const SkPath& two, const SkPath& scaledTwo, SkBitmap& bitmap,
const SkPath& a, const SkPath& b, const SkPathOp shapeOp,
const SkMatrix& scale) {
int errors2x2;
int errors = pathsDrawTheSame(bitmap, scaledOne, scaledTwo, errors2x2);
if (errors2x2 == 0) {
if (gShowPath) {
showPathOpPath(one, two, a, b, scaledOne, scaledTwo, shapeOp, scale);
}
return 0;
}
const int MAX_ERRORS = 8;
if (gShowPath || errors2x2 == MAX_ERRORS || errors2x2 == MAX_ERRORS - 1) {
showPathOpPath(one, two, a, b, scaledOne, scaledTwo, shapeOp, scale);
}
if (errors2x2 > MAX_ERRORS && gComparePathsAssert) {
SkDebugf("%s errors=%d\n", __FUNCTION__, errors);
showPathOpPath(one, two, a, b, scaledOne, scaledTwo, shapeOp, scale);
REPORTER_ASSERT(reporter, 0);
}
return errors2x2 > MAX_ERRORS ? errors2x2 : 0;
}
static int comparePaths(skiatest::Reporter* reporter, const char* testName, const SkPath& one,
const SkPath& scaledOne, const SkPath& two, const SkPath& scaledTwo, SkBitmap& bitmap,
const SkPath& a, const SkPath& b, const SkPathOp shapeOp, const SkMatrix& scale) {
int errors2x2;
(void) pathsDrawTheSame(bitmap, scaledOne, scaledTwo, errors2x2);
if (errors2x2 == 0) {
if (gShowPath) {
showPathOpPath(testName, one, two, a, b, scaledOne, scaledTwo, shapeOp, scale);
}
return 0;
}
const int MAX_ERRORS = 8;
if (errors2x2 > MAX_ERRORS && gComparePathsAssert) {
SkAutoMutexAcquire autoM(compareDebugOut3);
SkDebugf("\n*** this test fails ***\n");
showPathOpPath(testName, one, two, a, b, scaledOne, scaledTwo, shapeOp, scale);
REPORTER_ASSERT(reporter, 0);
} else if (gShowPath || errors2x2 == MAX_ERRORS || errors2x2 == MAX_ERRORS - 1) {
SkAutoMutexAcquire autoM(compareDebugOut4);
showPathOpPath(testName, one, two, a, b, scaledOne, scaledTwo, shapeOp, scale);
}
return errors2x2 > MAX_ERRORS ? errors2x2 : 0;
}
static int scaledDrawTheSame(const SkPath& one, const SkPath& two,
int a, int b, bool drawPaths, SkBitmap& bitmap, SkCanvas* canvas) {
SkMatrix scale;
scale.reset();
float aScale = 1.21f;
float bScale = 1.11f;
scale.preScale(a * aScale, b * bScale);
SkPath scaledOne, scaledTwo;
one.transform(scale, &scaledOne);
two.transform(scale, &scaledTwo);
int errors = pathsDrawTheSame(scaledOne, scaledTwo, bitmap, canvas);
if (errors == 0) {
return 0;
}
while (!drawAsciiPaths(scaledOne, scaledTwo, drawPaths)) {
scale.reset();
aScale *= 0.5f;
bScale *= 0.5f;
scale.preScale(a * aScale, b * bScale);
one.transform(scale, &scaledOne);
two.transform(scale, &scaledTwo);
}
return errors;
}
