DEF_TEST(ColorFilter, reporter) {
SkRandom rand;
for (int mode = 0; mode <= SkXfermode::kLastMode; mode++) {
SkColor color = rand.nextU();
// ensure we always get a filter, by avoiding the possibility of a
// special case that would return NULL (if color's alpha is 0 or 0xFF)
color = SkColorSetA(color, 0x7F);
SkColorFilter* cf = SkColorFilter::CreateModeFilter(color,
(SkXfermode::Mode)mode);
// allow for no filter if we're in Dst mode (its a no op)
if (SkXfermode::kDst_Mode == mode && NULL == cf) {
continue;
}
SkAutoUnref aur(cf);
REPORTER_ASSERT(reporter, cf);
SkColor c = ~color;
SkXfermode::Mode m = ILLEGAL_MODE;
SkColor expectedColor = color;
SkXfermode::Mode expectedMode = (SkXfermode::Mode)mode;
// SkDebugf("--- mc [%d %x] ", mode, color);
REPORTER_ASSERT(reporter, cf->asColorMode(&c, &m));
// handle special-case folding by the factory
if (SkXfermode::kClear_Mode == mode) {
if (c != expectedColor) {
expectedColor = 0;
}
if (m != expectedMode) {
expectedMode = SkXfermode::kSrc_Mode;
}
}
// SkDebugf("--- got [%d %x] expected [%d %x]\n", m, c, expectedMode, expectedColor);
REPORTER_ASSERT(reporter, c == expectedColor);
REPORTER_ASSERT(reporter, m == expectedMode);
{
SkColorFilter* cf2 = reincarnate_colorfilter(cf);
SkAutoUnref aur2(cf2);
REPORTER_ASSERT(reporter, cf2);
SkColor c2 = ~color;
SkXfermode::Mode m2 = ILLEGAL_MODE;
REPORTER_ASSERT(reporter, cf2->asColorMode(&c2, &m2));
REPORTER_ASSERT(reporter, c2 == expectedColor);
REPORTER_ASSERT(reporter, m2 == expectedMode);
}
}
test_composecolorfilter_limit(reporter);
}
void TestDataRef(skiatest::Reporter* reporter) {
const char* str = "We the people, in order to form a more perfect union.";
const int N = 10;
SkData* r0 = SkData::NewEmpty();
SkData* r1 = SkData::NewWithCopy(str, strlen(str));
SkData* r2 = SkData::NewWithProc(new int[N], N*sizeof(int),
delete_int_proc, gGlobal);
SkData* r3 = SkData::NewSubset(r1, 7, 6);
SkAutoUnref aur0(r0);
SkAutoUnref aur1(r1);
SkAutoUnref aur2(r2);
SkAutoUnref aur3(r3);
assert_len(reporter, r0, 0);
assert_len(reporter, r1, strlen(str));
assert_len(reporter, r2, N * sizeof(int));
assert_len(reporter, r3, 6);
assert_data(reporter, r1, str, strlen(str));
assert_data(reporter, r3, "people", 6);
SkData* tmp = SkData::NewSubset(r1, strlen(str), 10);
assert_len(reporter, tmp, 0);
tmp->unref();
tmp = SkData::NewSubset(r1, 0, 0);
assert_len(reporter, tmp, 0);
tmp->unref();
}
static SkImageFilter* make7() {
SkImageFilter* outer = SkOffsetImageFilter::Create(SkIntToScalar(16), SkIntToScalar(16));
SkImageFilter* inner = make3();
SkAutoUnref aur0(outer);
SkAutoUnref aur1(inner);
SkImageFilter* compose = SkComposeImageFilter::Create(outer, inner);
SkAutoUnref aur2(compose);
SkColorFilter* cf = SkColorFilter::CreateModeFilter(0x880000FF,
SkXfermode::kSrcIn_Mode);
SkAutoUnref aur3(cf);
SkImageFilter* blue = SkColorFilterImageFilter::Create(cf);
SkAutoUnref aur4(blue);
return SkMergeImageFilter::Create(compose, blue);
}
