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sprixel stacking unit test #1575

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nick black 2021-04-24 10:10:20 -04:00
parent 787b180fa9
commit 0c2749707c
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2 changed files with 41 additions and 1 deletions
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1
src/lib/visual.c
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@ -460,7 +460,6 @@ int ncvisual_rotate(ncvisual* ncv, double rads){
ncv->cols = bbx;
ncv->rows = bby;
ncv->rowstride = bbx * 4;
ncvisual_details_seed(ncv);
return 0;
}

41
src/tests/bitmap.cpp
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@ -139,6 +139,47 @@ TEST_CASE("Bitmaps") {
CHECK(0 == ncplane_destroy(n));
}
SUBCASE("BitmapStack") {
auto y = nc_->tcache.cellpixy * 10;
auto x = nc_->tcache.cellpixx * 10;
std::vector<uint32_t> v(x * y, htole(0xe61c28ff));
auto ncv = ncvisual_from_rgba(v.data(), y, sizeof(decltype(v)::value_type) * x, x);
REQUIRE(nullptr != ncv);
struct ncvisual_options vopts = {
.n = nullptr, .scaling = NCSCALE_NONE,
.y = 0,
.x = 0,
.begy = 0, .begx = 0,
.leny = 0, .lenx = 0,
.blitter = NCBLIT_PIXEL,
.flags = NCVISUAL_OPTION_NODEGRADE,
.transcolor = 0,
};
auto botn = ncvisual_render(nc_, ncv, &vopts);
REQUIRE(nullptr != botn);
// should just have a red plane
CHECK(0 == notcurses_render(nc_));
y = nc_->tcache.cellpixy * 5;
x = nc_->tcache.cellpixx * 5;
std::vector<uint32_t> v2(x * y, htole(0x8142f1ff));
auto ncv2 = ncvisual_from_rgba(v2.data(), y, sizeof(decltype(v2)::value_type) * x, x);
REQUIRE(nullptr != ncv2);
auto topn = ncvisual_render(nc_, ncv2, &vopts);
REQUIRE(nullptr != topn);
// should have a yellow plane partially obscuring a red one
CHECK(0 == notcurses_render(nc_));
ncplane_move_yx(topn, 5, 5);
// yellow bitmap ought move to lower right, but remain visible
CHECK(0 == notcurses_render(nc_));
ncplane_move_top(botn);
// should see only the red one now
CHECK(0 == notcurses_render(nc_));
CHECK(0 == ncplane_destroy(botn));
CHECK(0 == ncplane_destroy(topn));
ncvisual_destroy(ncv);
ncvisual_destroy(ncv2);
}
#ifdef NOTCURSES_USE_MULTIMEDIA
SUBCASE("PixelRender") {
auto ncv = ncvisual_from_file(find_data("worldmap.png"));