SkImageFilter* mergeBitmaps() {
SkImageFilter* first = SkBitmapSource::Create(fCheckerboard);
SkImageFilter* second = SkBitmapSource::Create(fBitmap);
SkAutoUnref aur0(first);
SkAutoUnref aur1(second);
return SkMergeImageFilter::Create(first, second);
}
static SkImageFilter* make5() {
SkImageFilter* first = SkOffsetImageFilter::Create(SkIntToScalar(16), SkIntToScalar(16));
SkImageFilter* second = SkDownSampleImageFilter::Create(SK_Scalar1 / 5);
SkAutoUnref aur0(first);
SkAutoUnref aur1(second);
return SkMergeImageFilter::Create(first, second);
}
static SkImageFilter* make4() {
SkImageFilter* outer = SkOffsetImageFilter::Create(SkIntToScalar(16), SkIntToScalar(16));
SkImageFilter* inner = SkDownSampleImageFilter::Create(SK_Scalar1 / 5);
SkAutoUnref aur0(outer);
SkAutoUnref aur1(inner);
return SkComposeImageFilter::Create(outer, inner);
}
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);
}
static void mesh_slide(SkCanvas* canvas) {
Rec fRecs[3];
SkIPoint size;
SkShader* fShader0 = make_shader0(&size);
SkShader* fShader1 = make_shader1(size);
SkAutoUnref aur0(fShader0);
SkAutoUnref aur1(fShader1);
make_strip(&fRecs[0], size.fX, size.fY);
make_fan(&fRecs[1], size.fX, size.fY);
make_tris(&fRecs[2]);
SkPaint paint;
paint.setDither(true);
paint.setFilterLevel(SkPaint::kLow_FilterLevel);
for (size_t i = 0; i < SK_ARRAY_COUNT(fRecs); i++) {
canvas->save();
paint.setShader(NULL);
canvas->drawVertices(fRecs[i].fMode, fRecs[i].fCount,
fRecs[i].fVerts, fRecs[i].fTexs,
NULL, NULL, NULL, 0, paint);
canvas->translate(SkIntToScalar(210), 0);
paint.setShader(fShader0);
canvas->drawVertices(fRecs[i].fMode, fRecs[i].fCount,
fRecs[i].fVerts, fRecs[i].fTexs,
NULL, NULL, NULL, 0, paint);
canvas->translate(SkIntToScalar(210), 0);
paint.setShader(fShader1);
canvas->drawVertices(fRecs[i].fMode, fRecs[i].fCount,
fRecs[i].fVerts, fRecs[i].fTexs,
NULL, NULL, NULL, 0, paint);
canvas->restore();
canvas->translate(0, SkIntToScalar(250));
}
}
