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stacking tests: ncvisual_render() -> ncvisual_blit() #1462

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pull/2280/head
nick black 3 years ago committed by nick black
parent f096064648
commit 2c8286c099
5 changed files with 41 additions and 36 deletions
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27
USAGE.md
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@ -3301,8 +3301,8 @@ int ncvisual_set_yx(const struct ncvisual* n, int y, int x, uint32_t pixel);
// If a subtitle ought be displayed at this time, return a new plane (bound
// to 'parent' containing the subtitle, which might be text or graphics
// (depending on the input format).
struct ncplane* ncvisual_subtitle(struct ncplane* parent,
const struct ncvisual* ncv);
struct ncplane* ncvisual_subtitle_plane(struct ncplane* parent,
const struct ncvisual* ncv);
```
And finally, the `ncvisual` can be blitted to one or more `ncplane`s:
@ -3424,27 +3424,8 @@ typedef int (*streamcb)(struct ncplane*, struct ncvisual*,
// Shut up and display my frames! Provide as an argument to ncvisual_stream().
// If you'd like subtitles to be decoded, provide an ncplane as the curry. If the
// curry is NULL, subtitles will not be displayed.
static inline int
ncvisual_simple_streamer(struct ncplane* n, struct ncvisual* ncv,
const struct timespec* tspec, void* curry){
if(notcurses_render(ncplane_notcurses(n))){
return -1;
}
int ret = 0;
if(curry){
// need a cast for C++ callers
struct ncplane* subncp = (struct ncplane*)curry;
char* subtitle = ncvisual_subtitle(ncv);
if(subtitle){
if(ncplane_putstr_yx(subncp, 0, 0, subtitle) < 0){
ret = -1;
}
free(subtitle);
}
}
clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, tspec, NULL);
return ret;
}
int ncvisual_simple_streamer(struct ncvisual* ncv, struct ncvisual_options* vopts,
const struct timespec* tspec, void* curry);
// Stream the entirety of the media, according to its own timing. Blocking,
// obviously. streamer may be NULL; it is otherwise called for each frame, and

3
src/demo/outro.c
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@ -198,7 +198,8 @@ int outro(struct notcurses* nc){
return -1;
}
vopts.scaling = NCSCALE_STRETCH;
vopts.flags = NCVISUAL_OPTION_BLEND;
vopts.flags = NCVISUAL_OPTION_BLEND | NCVISUAL_OPTION_CHILDPLANE;
vopts.n = notcurses_stdplane(nc);
if((vopts.n = ncvisual_blit(nc, chncv, &vopts)) == NULL){
ncvisual_destroy(chncv);
return -1;

1
src/demo/zoo.c
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@ -14,6 +14,7 @@ draw_background(struct notcurses* nc){
struct ncvisual_options vopts = {
.scaling = NCSCALE_STRETCH,
.n = n,
.flags = NCVISUAL_OPTION_CHILDPLANE,
};
if(ncvisual_blit(nc, ncv, &vopts) == NULL){
ncvisual_destroy(ncv);

5
src/lib/visual.c
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@ -70,6 +70,11 @@ ncplane* ncvisual_subtitle_plane(ncplane* parent, const ncvisual* ncv){
return visual_implementation.visual_subtitle(parent, ncv);
}
char* ncvisual_subtitle(const ncvisual* ncv){
(void)ncv; // FIXME remove for abi3
return NULL;
}
int ncvisual_blit_internal(ncvisual* ncv, int rows, int cols, ncplane* n,
const struct blitset* bset, const blitterargs* barg){
if(!(barg->flags & NCVISUAL_OPTION_NOINTERPOLATE)){

41
src/tests/stacking.cpp
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@ -45,7 +45,7 @@ TEST_CASE("Stacking") {
.leny = 2, .lenx = 1, .blitter = NCBLIT_2x1, .flags = 0,
.transcolor = 0, .pxoffy = 0, .pxoffx = 0,
};
CHECK(top == ncvisual_render(nc_, ncv, &vopts));
CHECK(top == ncvisual_blit(nc_, ncv, &vopts));
ncvisual_destroy(ncv);
// create an ncvisual of 2 rows, 1 column, with the top 0xffffff
@ -53,19 +53,24 @@ TEST_CASE("Stacking") {
ncv = ncvisual_from_rgba(botv, 2, 4, 1);
REQUIRE(nullptr != ncv);
vopts.n = n_;
CHECK(n_ == ncvisual_render(nc_, ncv, &vopts));
vopts.flags |= NCVISUAL_OPTION_CHILDPLANE;
auto newn = ncvisual_blit(nc_, ncv, &vopts);
REQUIRE(nullptr != newn);
ncvisual_destroy(ncv);
ncplane_move_below(newn, top);
CHECK(0 == notcurses_render(nc_));
uint64_t channels;
auto egc = notcurses_at_yx(nc_, 0, 0, nullptr, &channels);
REQUIRE(nullptr != egc);
notcurses_debug(nc_, stderr);
// ought yield space with white background FIXME currently just yields
// a lower half block
CHECK(0 == strcmp("\u2584", egc));
CHECK(0xffffff == ncchannels_fg_rgb(channels));
CHECK(0xffffff == ncchannels_bg_rgb(channels));
ncplane_destroy(top);
CHECK(0 == ncplane_destroy(top));
CHECK(0 == ncplane_destroy(newn));
}
SUBCASE("UpperAtopLowerWhite") {
@ -83,7 +88,7 @@ TEST_CASE("Stacking") {
.leny = 2, .lenx = 1, .blitter = NCBLIT_2x1, .flags = 0,
.transcolor = 0, .pxoffy = 0, .pxoffx = 0,
};
CHECK(top == ncvisual_render(nc_, ncv, &vopts));
CHECK(top == ncvisual_blit(nc_, ncv, &vopts));
ncvisual_destroy(ncv);
// create an ncvisual of 2 rows, 1 column, with the bottom 0xffffff
@ -91,8 +96,11 @@ TEST_CASE("Stacking") {
ncv = ncvisual_from_rgba(botv, 2, 4, 1);
REQUIRE(nullptr != ncv);
vopts.n = n_;
CHECK(n_ == ncvisual_render(nc_, ncv, &vopts));
vopts.flags |= NCVISUAL_OPTION_CHILDPLANE;
auto newn = ncvisual_blit(nc_, ncv, &vopts);
REQUIRE(nullptr != newn);
ncvisual_destroy(ncv);
ncplane_move_below(newn, top);
CHECK(0 == notcurses_render(nc_));
uint64_t channels;
@ -103,7 +111,8 @@ TEST_CASE("Stacking") {
CHECK(0 == strcmp("\u2580", egc));
CHECK(0xffffff == ncchannels_fg_rgb(channels));
CHECK(0xffffff == ncchannels_bg_rgb(channels));
ncplane_destroy(top);
CHECK(0 == ncplane_destroy(top));
CHECK(0 == ncplane_destroy(newn));
}
SUBCASE("StackedQuadHalves") {
@ -122,7 +131,7 @@ TEST_CASE("Stacking") {
.leny = 2, .lenx = 2, .blitter = NCBLIT_2x2, .flags = 0,
.transcolor = 0, .pxoffy = 0, .pxoffx = 0,
};
CHECK(top == ncvisual_render(nc_, ncv, &vopts));
CHECK(top == ncvisual_blit(nc_, ncv, &vopts));
ncvisual_destroy(ncv);
// create an ncvisual of 2 rows, 2 columns, with the bottom 0xffffff
@ -130,8 +139,11 @@ TEST_CASE("Stacking") {
ncv = ncvisual_from_rgba(botv, 2, 8, 2);
REQUIRE(nullptr != ncv);
vopts.n = n_;
CHECK(n_ == ncvisual_render(nc_, ncv, &vopts));
vopts.flags = NCVISUAL_OPTION_CHILDPLANE;
auto newn = ncvisual_blit(nc_, ncv, &vopts);
REQUIRE(nullptr != newn);
ncvisual_destroy(ncv);
ncplane_move_below(newn, top);
CHECK(0 == notcurses_render(nc_));
uint64_t channels;
@ -142,7 +154,8 @@ TEST_CASE("Stacking") {
CHECK(0 == strcmp("\u2580", egc));
CHECK(0x00ff00 == ncchannels_fg_rgb(channels));
CHECK(0x00ff00 == ncchannels_bg_rgb(channels));
ncplane_destroy(top);
CHECK(0 == ncplane_destroy(top));
CHECK(0 == ncplane_destroy(newn));
}
}
@ -164,7 +177,7 @@ TEST_CASE("Stacking") {
.leny = 2, .lenx = 2, .blitter = NCBLIT_2x2, .flags = 0,
.transcolor = 0, .pxoffy = 0, .pxoffx = 0,
};
CHECK(top == ncvisual_render(nc_, ncv, &vopts));
CHECK(top == ncvisual_blit(nc_, ncv, &vopts));
ncvisual_destroy(ncv);
// create an ncvisual of 2 rows, 2 columns, with the tr, bl 0xffffff
@ -172,8 +185,11 @@ TEST_CASE("Stacking") {
ncv = ncvisual_from_rgba(botv, 2, 8, 2);
REQUIRE(nullptr != ncv);
vopts.n = n_;
CHECK(n_ == ncvisual_render(nc_, ncv, &vopts));
vopts.flags = NCVISUAL_OPTION_CHILDPLANE;
auto newn = ncvisual_blit(nc_, ncv, &vopts);
REQUIRE(nullptr != newn);
ncvisual_destroy(ncv);
ncplane_move_below(newn, top);
CHECK(0 == notcurses_render(nc_));
uint64_t channels;
@ -184,7 +200,8 @@ TEST_CASE("Stacking") {
CHECK(0 == strcmp("\u259a", egc)); // quadrant upper left and lower right
CHECK(0xffffff == ncchannels_fg_rgb(channels));
CHECK(0xffffff == ncchannels_bg_rgb(channels));
ncplane_destroy(top);
CHECK(0 == ncplane_destroy(top));
CHECK(0 == ncplane_destroy(newn));
}
}

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