int main(int argc, char *argv[])
{
(void)argc;
(void)argv;
call<pointer> cf1(&fun1);
call<pointer> cf2(&fun2);
return 0;
}
int main () {
CommFrac cf1(1, 2);
CommFrac cf2(2, 3);
std::cout << cf1 << " + " << cf2 << " = " << (cf1 + cf2) << std::endl;
std::cout << cf1 << " - " << cf2 << " = " << (cf1 - cf2) << std::endl;
std::cout << cf1 << " * " << cf2 << " = " << (cf1 * cf2) << std::endl;
std::cout << cf1 << " / " << cf2 << " = " << (cf1 / cf2) << std::endl;
return 0;
}
void onDraw(SkCanvas* canvas) override {
canvas->clear(SK_ColorBLACK);
{
sk_sp<SkImageFilter> bitmapSource(SkImageSource::Make(fImage));
sk_sp<SkColorFilter> cf(SkColorFilter::MakeModeFilter(SK_ColorRED,
SkBlendMode::kSrcIn));
sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(4.0f, 4.0f, std::move(bitmapSource)));
sk_sp<SkImageFilter> erode(SkErodeImageFilter::Make(4, 4, blur));
sk_sp<SkImageFilter> color(SkColorFilterImageFilter::Make(std::move(cf),
std::move(erode)));
sk_sp<SkImageFilter> merge(SkMergeImageFilter::Make(blur, color,
SkBlendMode::kSrcOver));
SkPaint paint;
paint.setImageFilter(std::move(merge));
canvas->drawPaint(paint);
canvas->translate(SkIntToScalar(100), 0);
}
{
sk_sp<SkImageFilter> morph(SkDilateImageFilter::Make(5, 5, nullptr));
SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0,
0, SK_Scalar1, 0, 0, 0,
0, 0, SK_Scalar1, 0, 0,
0, 0, 0, 0.5f, 0 };
sk_sp<SkColorFilter> matrixFilter(SkColorFilter::MakeMatrixFilterRowMajor255(matrix));
sk_sp<SkImageFilter> colorMorph(SkColorFilterImageFilter::Make(std::move(matrixFilter),
std::move(morph)));
SkPaint paint;
paint.setImageFilter(SkXfermodeImageFilter::Make(SkBlendMode::kSrcOver,
std::move(colorMorph)));
DrawClippedImage(canvas, fImage.get(), paint);
canvas->translate(SkIntToScalar(100), 0);
}
{
SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0,
0, SK_Scalar1, 0, 0, 0,
0, 0, SK_Scalar1, 0, 0,
0, 0, 0, 0.5f, 0 };
sk_sp<SkColorFilter> matrixCF(SkColorFilter::MakeMatrixFilterRowMajor255(matrix));
sk_sp<SkImageFilter> matrixFilter(SkColorFilterImageFilter::Make(std::move(matrixCF),
nullptr));
sk_sp<SkImageFilter> offsetFilter(SkOffsetImageFilter::Make(10.0f, 10.f,
matrixFilter));
SkPaint paint;
paint.setImageFilter(
SkXfermodeImageFilter::MakeArithmetic(0, 1, 1, 0, true,
std::move(matrixFilter),
std::move(offsetFilter),
nullptr));
DrawClippedImage(canvas, fImage.get(), paint);
canvas->translate(SkIntToScalar(100), 0);
}
{
sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(SkIntToScalar(10),
SkIntToScalar(10),
nullptr));
SkImageFilter::CropRect cropRect(SkRect::MakeWH(SkIntToScalar(95), SkIntToScalar(100)));
SkPaint paint;
paint.setImageFilter(
SkXfermodeImageFilter::Make(SkBlendMode::kSrcIn, std::move(blur), nullptr,
&cropRect));
DrawClippedImage(canvas, fImage.get(), paint);
canvas->translate(SkIntToScalar(100), 0);
}
{
// Dilate -> matrix convolution.
// This tests that a filter using asFragmentProcessor (matrix
// convolution) correctly handles a non-zero source offset
// (supplied by the dilate).
sk_sp<SkImageFilter> dilate(SkDilateImageFilter::Make(5, 5, nullptr));
SkScalar kernel[9] = {
SkIntToScalar(-1), SkIntToScalar( -1 ), SkIntToScalar(-1),
SkIntToScalar(-1), SkIntToScalar( 7 ), SkIntToScalar(-1),
SkIntToScalar(-1), SkIntToScalar( -1 ), SkIntToScalar(-1),
};
SkISize kernelSize = SkISize::Make(3, 3);
SkScalar gain = 1.0f, bias = SkIntToScalar(0);
SkIPoint kernelOffset = SkIPoint::Make(1, 1);
auto tileMode = SkMatrixConvolutionImageFilter::kClamp_TileMode;
bool convolveAlpha = false;
sk_sp<SkImageFilter> convolve(SkMatrixConvolutionImageFilter::Make(kernelSize,
kernel,
gain,
bias,
kernelOffset,
tileMode,
convolveAlpha,
std::move(dilate)));
SkPaint paint;
paint.setImageFilter(std::move(convolve));
DrawClippedImage(canvas, fImage.get(), paint);
canvas->translate(SkIntToScalar(100), 0);
}
{
// Test that crop offsets are absolute, not relative to the parent's crop rect.
sk_sp<SkColorFilter> cf1(SkColorFilter::MakeModeFilter(SK_ColorBLUE,
SkBlendMode::kSrcIn));
sk_sp<SkColorFilter> cf2(SkColorFilter::MakeModeFilter(SK_ColorGREEN,
SkBlendMode::kSrcIn));
SkImageFilter::CropRect outerRect(SkRect::MakeXYWH(SkIntToScalar(10), SkIntToScalar(10),
SkIntToScalar(80), SkIntToScalar(80)));
SkImageFilter::CropRect innerRect(SkRect::MakeXYWH(SkIntToScalar(20), SkIntToScalar(20),
SkIntToScalar(60), SkIntToScalar(60)));
sk_sp<SkImageFilter> color1(SkColorFilterImageFilter::Make(std::move(cf1),
nullptr,
&outerRect));
sk_sp<SkImageFilter> color2(SkColorFilterImageFilter::Make(std::move(cf2),
std::move(color1),
&innerRect));
SkPaint paint;
paint.setImageFilter(std::move(color2));
paint.setColor(SK_ColorRED);
canvas->drawRect(SkRect::MakeXYWH(0, 0, 100, 100), paint);
canvas->translate(SkIntToScalar(100), 0);
}
}
/* Call functions through pointers and and check against expected results. */
void
test (void)
{
CHECK_VOID_RESULT (v0 (), 1.0);
CHECK_VOID_RESULT (v1 (1.0), 2.0);
CHECK_VOID_RESULT (v5 (5.0, 6.0), 12.0);
CHECK_VOID_RESULT (v9 (9.0, 10.0), 20.0);
CHECK_VOID_RESULT (v2 (2.0), 3.0);
CHECK_VOID_RESULT (v6 (6.0, 7.0), 14.0);
CHECK_VOID_RESULT (v10 (10.0, 11.0), 22.0);
CHECK_RESULT (f0 (), 1.0);
CHECK_RESULT (f1 (1.0), 2.0);
CHECK_RESULT (f5 (5.0, 6.0), 12.0);
CHECK_RESULT (f9 (9.0, 10.0), 20.0);
CHECK_RESULT (f2 (2.0), 3.0);
CHECK_RESULT (f6 (6.0, 7.0), 14.0);
CHECK_RESULT (f10 (10.0, 11.0), 22.0);
CHECK_RESULT (d0 (), 1.0);
CHECK_RESULT (d1 (1.0), 2.0);
CHECK_RESULT (d5 (5.0, 6.0), 12.0);
CHECK_RESULT (d9 (9.0, 10.0), 20.0);
CHECK_RESULT (d2 (2.0), 3.0);
CHECK_RESULT (d6 (6.0, 7.0), 14.0);
CHECK_RESULT (d10 (10.0, 11.0), 22.0);
CHECK_RESULT (cf0 (), 1.0 + 0.0i);
CHECK_RESULT (cf1 (1.0), 2.0 + 1.0i);
CHECK_RESULT (cf5 (5.0, 6.0), 12.0 + 5.0i);
CHECK_RESULT (cf9 (9.0, 10.0), 20.0 + 9.0i);
CHECK_RESULT (cf2 (2.0), 3.0 + 2.0i);
CHECK_RESULT (cf6 (6.0, 7.0), 14.0 + 6.0i);
CHECK_RESULT (cf10 (10.0, 11.0), 22.0 + 10.0i);
CHECK_RESULT (cd0 (), 1.0 + 0.0i);
CHECK_RESULT (cd1 (1.0), 2.0 + 1.0i);
CHECK_RESULT (cd5 (5.0, 6.0), 12.0 + 5.0i);
CHECK_RESULT (cd9 (9.0, 10.0), 20.0 + 9.0i);
CHECK_RESULT (cd2 (2.0), 3.0 + 2.0i);
CHECK_RESULT (cd6 (6.0, 7.0), 14.0 + 6.0i);
CHECK_RESULT (cd10 (10.0, 11.0), 22.0 + 10.0i);
CHECK_VOID_RESULT ((*pv0) (), 1.0);
CHECK_VOID_RESULT ((*pv1) (1.0), 2.0);
CHECK_VOID_RESULT ((*pv5) (5.0, 6.0), 12.0);
CHECK_VOID_RESULT ((*pv9) (9.0, 10.0), 20.0);
CHECK_VOID_RESULT ((*pv2) (2.0), 3.0);
CHECK_VOID_RESULT ((*pv6) (6.0, 7.0), 14.0);
CHECK_VOID_RESULT ((*pv10) (10.0, 11.0), 22.0);
CHECK_RESULT ((*pf0) (), 1.0);
CHECK_RESULT ((*pf1) (1.0), 2.0);
CHECK_RESULT ((*pf5) (5.0, 6.0), 12.0);
CHECK_RESULT ((*pf9) (9.0, 10.0), 20.0);
CHECK_RESULT ((*pf2) (2.0), 3.0);
CHECK_RESULT ((*pf6) (6.0, 7.0), 14.0);
CHECK_RESULT ((*pf10) (10.0, 11.0), 22.0);
CHECK_RESULT ((*pd0) (), 1.0);
CHECK_RESULT ((*pd1) (1.0), 2.0);
CHECK_RESULT ((*pd5) (5.0, 6.0), 12.0);
CHECK_RESULT ((*pd9) (9.0, 10.0), 20.0);
CHECK_RESULT ((*pd2) (2.0), 3.0);
CHECK_RESULT ((*pd6) (6.0, 7.0), 14.0);
CHECK_RESULT ((*pd10) (10.0, 11.0), 22.0);
CHECK_RESULT ((*pcf0) (), 1.0 + 0.0i);
CHECK_RESULT ((*pcf1) (1.0), 2.0 + 1.0i);
CHECK_RESULT ((*pcf5) (5.0, 6.0), 12.0 + 5.0i);
CHECK_RESULT ((*pcf9) (9.0, 10.0), 20.0 + 9.0i);
CHECK_RESULT ((*pcf2) (2.0), 3.0 + 2.0i);
CHECK_RESULT ((*pcf6) (6.0, 7.0), 14.0 + 6.0i);
CHECK_RESULT ((*pcf10) (10.0, 11.0), 22.0 + 10.0i);
CHECK_RESULT ((*pcd0) (), 1.0 + 0.0i);
CHECK_RESULT ((*pcd1) (1.0), 2.0 + 1.0i);
CHECK_RESULT ((*pcd5) (5.0, 6.0), 12.0 + 5.0i);
CHECK_RESULT ((*pcd9) (9.0, 10.0), 20.0 + 9.0i);
CHECK_RESULT ((*pcd2) (2.0), 3.0 + 2.0i);
CHECK_RESULT ((*pcd6) (6.0, 7.0), 14.0 + 6.0i);
CHECK_RESULT ((*pcd10) (10.0, 11.0), 22.0 + 10.0i);
}
