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notcurses/tests/rotate.cpp

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8.5 KiB
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#include "main.h"
#include <cmath>
#include <vector>
void RotateCW(struct notcurses* nc, struct ncplane* n) {
CHECK(0 == notcurses_render(nc));
CHECK(0 == ncplane_rotate_cw(n));
CHECK(0 == notcurses_render(nc));
CHECK(0 == ncplane_rotate_cw(n));
CHECK(0 == notcurses_render(nc));
CHECK(0 == ncplane_rotate_cw(n));
CHECK(0 == notcurses_render(nc));
CHECK(0 == ncplane_rotate_cw(n));
CHECK(0 == notcurses_render(nc));
}
void RotateCCW(struct notcurses* nc, struct ncplane* n) {
CHECK(0 == notcurses_render(nc));
CHECK(0 == ncplane_rotate_ccw(n));
CHECK(0 == notcurses_render(nc));
CHECK(0 == ncplane_rotate_ccw(n));
CHECK(0 == notcurses_render(nc));
CHECK(0 == ncplane_rotate_ccw(n));
CHECK(0 == notcurses_render(nc));
CHECK(0 == ncplane_rotate_ccw(n));
CHECK(0 == notcurses_render(nc));
}
TEST_CASE("Rotate") {
if(!enforce_utf8()){
return;
}
auto nc_ = testing_notcurses();
if(!nc_){
return;
}
int dimy, dimx;
struct ncplane* n_ = notcurses_stddim_yx(nc_, &dimy, &dimx);
REQUIRE(n_);
uint64_t ul, ur, ll, lr;
ul = ur = ll = lr = 0;
channels_set_fg_rgb(&ul, 0x40f040);
channels_set_bg_rgb(&ul, 0x40f040);
channels_set_fg_rgb(&ll, 0xf040f0);
channels_set_bg_rgb(&ll, 0xf040f0);
channels_set_fg_rgb(&ur, 0x40f040);
channels_set_bg_rgb(&ur, 0x40f040);
channels_set_fg_rgb(&lr, 0xf040f0);
channels_set_bg_rgb(&lr, 0xf040f0);
SUBCASE("RotateTransparentCW") {
struct ncplane_options nopts = {
.y = dimy / 2,
.x = dimx / 2,
.rows = 8,
.cols = 16,
.userptr = nullptr,
.name = nullptr,
.resizecb = nullptr,
.flags = 0,
};
struct ncplane* testn = ncplane_create(n_, &nopts);
uint64_t channels = 0;
CHECK(0 == channels_set_fg_alpha(&channels, CELL_ALPHA_TRANSPARENT));
CHECK(0 == channels_set_bg_alpha(&channels, CELL_ALPHA_TRANSPARENT));
REQUIRE(0 >= ncplane_set_base(testn, "", 0, channels));
cell tl = CELL_TRIVIAL_INITIALIZER; cell tr = CELL_TRIVIAL_INITIALIZER;
cell bl = CELL_TRIVIAL_INITIALIZER; cell br = CELL_TRIVIAL_INITIALIZER;
cell hl = CELL_TRIVIAL_INITIALIZER; cell vl = CELL_TRIVIAL_INITIALIZER;
CHECK(-1 < cell_prime(testn, &tl, "█", 0, ul));
CHECK(-1 < cell_prime(testn, &tr, "█", 0, ur));
CHECK(-1 < cell_prime(testn, &bl, "█", 0, ll));
CHECK(-1 < cell_prime(testn, &br, "█", 0, lr));
CHECK(-1 < cell_prime(testn, &hl, "█", 0, ll));
CHECK(-1 < cell_prime(testn, &vl, "█", 0, lr));
CHECK(0 == ncplane_perimeter(testn, &tl, &tr, &bl, &br, &hl, &vl, 0));
RotateCW(nc_, testn);
cell_release(testn, &tl); cell_release(testn, &tr);
cell_release(testn, &bl); cell_release(testn, &br);
cell_release(testn, &hl); cell_release(testn, &vl);
CHECK(0 == ncplane_destroy(testn));
}
SUBCASE("RotateGradientCW") {
// should be a square, and should remain a square through rotations
struct ncplane_options nopts = {
.y = dimy / 2,
.x = dimx / 2,
.rows = 8,
.cols = 16,
.userptr = nullptr,
.name = nullptr,
.resizecb = nullptr,
.flags = 0,
};
struct ncplane* testn = ncplane_create(n_, &nopts);
REQUIRE(0 < ncplane_gradient_sized(testn, " ", 0, ul, ur, ll, lr, 8, 16));
RotateCW(nc_, testn);
CHECK(0 == ncplane_destroy(testn));
}
SUBCASE("RotateRectangleCW") {
// should be a square, and should remain a square through rotations
struct ncplane_options nopts = {
.y = dimy / 2,
.x = dimx / 2,
.rows = 8,
.cols = 32,
.userptr = nullptr,
.name = nullptr,
.resizecb = nullptr,
.flags = 0,
};
struct ncplane* testn = ncplane_create(n_, &nopts);
REQUIRE(0 < ncplane_gradient_sized(testn, " ", 0, ul, ur, ll, lr, 8, 32));
RotateCW(nc_, testn);
CHECK(0 == ncplane_destroy(testn));
}
SUBCASE("RotateGradientCCW") {
// should be a square, and should remain a square through rotations
struct ncplane_options nopts = {
.y = dimy / 2,
.x = dimx / 2,
.rows = 8,
.cols = 16,
.userptr = nullptr,
.name = nullptr,
.resizecb = nullptr,
.flags = 0,
};
struct ncplane* testn = ncplane_create(n_, &nopts);
REQUIRE(0 < ncplane_gradient_sized(testn, " ", 0, ul, ur, ll, lr, 8, 16));
RotateCCW(nc_, testn);
CHECK(0 == ncplane_destroy(testn));
}
SUBCASE("RotateRectangleCCW") {
// should be a square, and should remain a square through rotations
struct ncplane_options nopts = {
.y = dimy / 2,
.x = dimx / 2,
.rows = 8,
.cols = 32,
.userptr = nullptr,
.name = nullptr,
.resizecb = nullptr,
.flags = 0,
};
struct ncplane* testn = ncplane_create(n_, &nopts);
REQUIRE(0 < ncplane_gradient_sized(testn, " ", 0, ul, ur, ll, lr, 8, 32));
RotateCCW(nc_, testn);
CHECK(0 == ncplane_destroy(testn));
}
// use half of each dimension
SUBCASE("RotateRGBACW") {
int height = dimy / 2;
int width = dimx / 2;
std::vector<uint32_t> rgba(width * height, 0xffbbccff);
for(int i = 0 ; i < height * width / 2 ; ++i){
CHECK(0xffbbccff == rgba[i]);
}
auto ncv = ncvisual_from_rgba(rgba.data(), height, width * 4, width);
REQUIRE(ncv);
ncvisual_options opts{};
auto rendered = ncvisual_render(nc_, ncv, &opts);
REQUIRE(rendered);
uint32_t* rgbaret = ncplane_rgba(rendered, NCBLIT_DEFAULT, 0, 0, -1, -1);
REQUIRE(rgbaret);
for(int i = 0 ; i < height * width / 2 ; ++i){
if(rgbaret[i] & CELL_BG_RGB_MASK){
CHECK(rgbaret[i] == rgba[i]);
}
}
free(rgbaret);
CHECK(0 == notcurses_render(nc_));
for(int x = 0 ; x < width ; ++x){
uint16_t stylemask;
uint64_t channels;
char* c = notcurses_at_yx(nc_, 0, x, &stylemask, &channels);
REQUIRE(c);
CHECK(0 == strcmp(c, " "));
if(channels_fg_rgb(channels) & CELL_BG_RGB_MASK){
CHECK(0xffccbb == channels_fg_rgb(channels));
}
if(channels_bg_rgb(channels) & CELL_BG_RGB_MASK){
CHECK(0xffccbb == channels_bg_rgb(channels));
}
free(c);
}
opts.n = rendered;
// FIXME check pixels after all rotations
CHECK(0 == ncvisual_rotate(ncv, M_PI / 2));
CHECK(ncvisual_render(nc_, ncv, &opts));
CHECK(0 == notcurses_render(nc_));
CHECK(0 == ncvisual_rotate(ncv, M_PI / 2));
CHECK(ncvisual_render(nc_, ncv, &opts));
CHECK(0 == notcurses_render(nc_));
CHECK(0 == ncvisual_rotate(ncv, M_PI / 2));
CHECK(ncvisual_render(nc_, ncv, &opts));
CHECK(0 == notcurses_render(nc_));
CHECK(0 == ncvisual_rotate(ncv, M_PI / 2));
CHECK(ncvisual_render(nc_, ncv, &opts));
CHECK(0 == notcurses_render(nc_));
ncvisual_destroy(ncv);
ncplane_destroy(rendered);
CHECK(0 == notcurses_render(nc_));
}
SUBCASE("RotateRGBACCW") {
int height = dimy / 2;
int width = dimx / 2;
std::vector<uint32_t> rgba(width * height, 0xffbbccff);
auto ncv = ncvisual_from_rgba(rgba.data(), height, width * 4, width);
REQUIRE(ncv);
ncvisual_options opts{};
auto rendered = ncvisual_render(nc_, ncv, &opts);
REQUIRE(rendered);
uint32_t* rgbaret = ncplane_rgba(rendered, NCBLIT_DEFAULT, 0, 0, -1, -1);
REQUIRE(rgbaret);
for(int i = 0 ; i < height * width / 2 ; ++i){
if(rgbaret[i] & CELL_BG_RGB_MASK){
CHECK(rgbaret[i] == rgba[i]);
}
}
free(rgbaret);
CHECK(0 == notcurses_render(nc_));
for(int x = 0 ; x < width ; ++x){
uint16_t stylemask;
uint64_t channels;
char* c = notcurses_at_yx(nc_, 0, x, &stylemask, &channels);
REQUIRE(c);
CHECK(0 == strcmp(c, " "));
if(channels_fg_rgb(channels) & CELL_BG_RGB_MASK){
CHECK(0xffccbb == channels_fg_rgb(channels));
}
if(channels_bg_rgb(channels) & CELL_BG_RGB_MASK){
CHECK(0xffccbb == channels_bg_rgb(channels));
}
free(c);
}
// FIXME check pixels after all rotations
opts.n = rendered;
CHECK(0 == ncvisual_rotate(ncv, -M_PI / 2));
CHECK(ncvisual_render(nc_, ncv, &opts));
CHECK(0 == notcurses_render(nc_));
CHECK(0 == ncvisual_rotate(ncv, -M_PI / 2));
CHECK(ncvisual_render(nc_, ncv, &opts));
CHECK(0 == notcurses_render(nc_));
CHECK(0 == ncvisual_rotate(ncv, -M_PI / 2));
CHECK(ncvisual_render(nc_, ncv, &opts));
CHECK(0 == notcurses_render(nc_));
CHECK(0 == ncvisual_rotate(ncv, -M_PI / 2));
CHECK(ncvisual_render(nc_, ncv, &opts));
CHECK(0 == notcurses_render(nc_));
ncvisual_destroy(ncv);
ncplane_destroy(rendered);
CHECK(0 == notcurses_render(nc_));
}
CHECK(0 == notcurses_stop(nc_));
}
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