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notcurses/tests/fills.cpp

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#include <array>
#include <cstdlib>
#include "main.h"
TEST_CASE("Fills") {
if(!enforce_utf8()){
return;
}
auto nc_ = testing_notcurses();
if(!nc_){
return;
}
struct ncplane* n_ = notcurses_stdplane(nc_);
REQUIRE(n_);
// can't polyfill with a null glyph
SUBCASE("PolyfillNullGlyph") {
int dimx, dimy;
ncplane_dim_yx(n_, &dimy, &dimx);
cell c = CELL_TRIVIAL_INITIALIZER;
CHECK(0 > ncplane_polyfill_yx(n_, dimy, dimx, &c));
}
// trying to polyfill an invalid cell ought be an error
SUBCASE("PolyfillOffplane") {
int dimx, dimy;
ncplane_dim_yx(n_, &dimy, &dimx);
cell c = CELL_SIMPLE_INITIALIZER('+');
CHECK(0 > ncplane_polyfill_yx(n_, dimy, 0, &c));
CHECK(0 > ncplane_polyfill_yx(n_, 0, dimx, &c));
CHECK(0 > ncplane_polyfill_yx(n_, 0, -1, &c));
CHECK(0 > ncplane_polyfill_yx(n_, -1, 0, &c));
}
SUBCASE("PolyfillOnGlyph") {
cell c = CELL_SIMPLE_INITIALIZER('+');
struct ncplane* pfn = ncplane_new(nc_, 4, 4, 0, 0, nullptr);
REQUIRE(nullptr != pfn);
CHECK(16 == ncplane_polyfill_yx(pfn, 0, 0, &c));
CHECK(0 == notcurses_render(nc_));
CHECK(0 < ncplane_putc_yx(pfn, 0, 0, &c));
CHECK(0 < cell_load(pfn, &c, "/"));
CHECK(0 < ncplane_polyfill_yx(pfn, 0, 0, &c));
char* ncpc = ncplane_at_yx(pfn, 0, 0, NULL, NULL);
CHECK(0 == strcmp(ncpc, "/"));
free(ncpc);
CHECK(0 == notcurses_render(nc_));
CHECK(0 == ncplane_destroy(pfn));
}
SUBCASE("PolyfillStandardPlane") {
cell c = CELL_SIMPLE_INITIALIZER('-');
CHECK(0 < ncplane_polyfill_yx(n_, 0, 0, &c));
CHECK(0 == notcurses_render(nc_));
}
SUBCASE("PolyfillEmptyPlane") {
cell c = CELL_SIMPLE_INITIALIZER('+');
struct ncplane* pfn = ncplane_new(nc_, 20, 20, 0, 0, nullptr);
REQUIRE(nullptr != pfn);
CHECK(400 == ncplane_polyfill_yx(pfn, 0, 0, &c));
CHECK(0 == notcurses_render(nc_));
CHECK(0 == ncplane_destroy(pfn));
}
SUBCASE("PolyfillWalledPlane") {
cell c = CELL_SIMPLE_INITIALIZER('+');
struct ncplane* pfn = ncplane_new(nc_, 4, 4, 0, 0, nullptr);
REQUIRE(nullptr != pfn);
CHECK(0 < ncplane_putc_yx(pfn, 0, 1, &c));
CHECK(0 < ncplane_putc_yx(pfn, 1, 1, &c));
CHECK(0 < ncplane_putc_yx(pfn, 1, 0, &c));
// Trying to fill the origin ought fill exactly one cell
CHECK(1 == ncplane_polyfill_yx(pfn, 0, 0, &c));
// Beyond the origin, we ought fill 12
CHECK(12 == ncplane_polyfill_yx(pfn, 2, 2, &c));
CHECK(0 == notcurses_render(nc_));
CHECK(0 == ncplane_destroy(pfn));
}
SUBCASE("GradientMonochromatic") {
uint64_t c = 0;
channels_set_fg(&c, 0x40f040);
channels_set_bg(&c, 0x40f040);
int dimy, dimx;
ncplane_dim_yx(n_, &dimy, &dimx);
REQUIRE(0 < ncplane_gradient_sized(n_, "M", 0, c, c, c, c, dimy, dimx));
cell cl = CELL_TRIVIAL_INITIALIZER;
uint64_t channels = 0;
channels_set_fg(&channels, 0x40f040);
channels_set_bg(&channels, 0x40f040);
// check all squares
for(int y = 0 ; y < dimy ; ++y){
for(int x = 0 ; x < dimx ; ++x){
REQUIRE(0 <= ncplane_at_yx_cell(n_, y, x, &cl));
CHECK('M' == cl.gcluster);
CHECK(0 == cl.attrword);
CHECK(channels == cl.channels);
}
}
CHECK(0 == notcurses_render(nc_));
}
SUBCASE("GradientVertical") {
uint64_t ul, ur, ll, lr;
ul = ur = ll = lr = 0;
channels_set_fg(&ul, 0x40f040);
channels_set_bg(&ul, 0x40f040);
channels_set_fg(&ll, 0xf040f0);
channels_set_bg(&ll, 0xf040f0);
channels_set_fg(&ur, 0x40f040);
channels_set_bg(&ur, 0x40f040);
channels_set_fg(&lr, 0xf040f0);
channels_set_bg(&lr, 0xf040f0);
int dimy, dimx;
ncplane_dim_yx(n_, &dimy, &dimx);
REQUIRE(0 < ncplane_gradient_sized(n_, "V", 0, ul, ur, ll, lr, dimy, dimx));
cell c = CELL_TRIVIAL_INITIALIZER;
uint64_t channels = 0;
channels_set_fg(&channels, 0x40f040);
channels_set_bg(&channels, 0x40f040);
// check all squares. all rows ought be the same across their breadth, and
// the components ought be going in the correct direction.
uint64_t lastyrgb, lastxrgb;
lastyrgb = -1;
for(int y = 0 ; y < dimy ; ++y){
lastxrgb = -1;
for(int x = 0 ; x < dimx ; ++x){
REQUIRE(0 <= ncplane_at_yx_cell(n_, y, x, &c));
CHECK('V' == c.gcluster);
CHECK(0 == c.attrword);
if(lastxrgb == (uint64_t)-1){
if(lastyrgb == (uint64_t)-1){
lastyrgb = c.channels;
CHECK(ul == c.channels);
}else if(y == dimy - 1){
CHECK(ll == c.channels);
}
lastxrgb = c.channels;
}else{
CHECK(lastxrgb == c.channels);
}
if(x == dimx - 1){
if(y == 0){
CHECK(ur == c.channels);
}else if(y == dimy - 1){
CHECK(lr == c.channels);
}
}
}
}
CHECK(0 == notcurses_render(nc_));
}
SUBCASE("GradientHorizontal") {
uint64_t ul, ur, ll, lr;
ul = ur = ll = lr = 0;
channels_set_fg(&ul, 0x40f040);
channels_set_bg(&ul, 0x40f040);
channels_set_fg(&ur, 0xf040f0);
channels_set_bg(&ur, 0xf040f0);
channels_set_fg(&ll, 0x40f040);
channels_set_bg(&ll, 0x40f040);
channels_set_fg(&lr, 0xf040f0);
channels_set_bg(&lr, 0xf040f0);
int dimy, dimx;
ncplane_dim_yx(n_, &dimy, &dimx);
REQUIRE(0 < ncplane_gradient_sized(n_, "H", 0, ul, ur, ll, lr, dimy, dimx));
// check corners FIXME
CHECK(0 == notcurses_render(nc_));
}
SUBCASE("GradientX") {
uint64_t ul, ur, ll, lr;
ul = ur = ll = lr = 0;
channels_set_fg(&ul, 0x000000);
channels_set_bg(&ul, 0xffffff);
channels_set_fg(&ll, 0x40f040);
channels_set_bg(&ll, 0x40f040);
channels_set_fg(&ur, 0xf040f0);
channels_set_bg(&ur, 0xf040f0);
channels_set_fg(&lr, 0xffffff);
channels_set_bg(&lr, 0x000000);
int dimy, dimx;
ncplane_dim_yx(n_, &dimy, &dimx);
REQUIRE(0 < ncplane_gradient_sized(n_, "X", 0, ul, ur, ll, lr, dimy, dimx));
// check corners FIXME
CHECK(0 == notcurses_render(nc_));
}
SUBCASE("GradientS") {
uint64_t ul, ur, ll, lr;
ul = ur = ll = lr = 0;
channels_set_fg(&ul, 0xffffff);
channels_set_bg(&ul, 0xffffff);
channels_set_fg(&lr, 0x000000);
channels_set_bg(&lr, 0x000000);
channels_set_fg(&ll, 0x00ffff);
channels_set_bg(&ll, 0xff0000);
channels_set_fg(&ur, 0xff00ff);
channels_set_bg(&ur, 0x00ff00);
int dimy, dimx;
ncplane_dim_yx(n_, &dimy, &dimx);
REQUIRE(0 < ncplane_gradient_sized(n_, "S", 0, ul, ur, ll, lr, dimy, dimx));
// check corners FIXME
CHECK(0 == notcurses_render(nc_));
}
SUBCASE("Ncplane_Format") {
int sbytes;
CHECK(0 == ncplane_set_fg(n_, 0x444444));
CHECK(1 == ncplane_putegc(n_, "A", &sbytes));
CHECK(0 == ncplane_set_fg(n_, 0x888888));
CHECK(1 == ncplane_putegc(n_, "B", &sbytes));
CHECK(0 == notcurses_render(nc_));
// attr should change, but not the EGC/color
CHECK(0 == ncplane_cursor_move_yx(n_, 0, 0));
cell c = CELL_TRIVIAL_INITIALIZER;
cell_styles_on(&c, NCSTYLE_BOLD);
CHECK(0 < ncplane_format(n_, 0, 0, c.attrword));
cell d = CELL_TRIVIAL_INITIALIZER;
CHECK(1 == ncplane_at_yx_cell(n_, 0, 0, &d));
CHECK(d.attrword == c.attrword);
CHECK(0x444444 == cell_fg(&d));
}
SUBCASE("Ncplane_Stain") {
int sbytes;
CHECK(0 == ncplane_set_fg(n_, 0x444444));
for(int y = 0 ; y < 8 ; ++y){
for(int x = 0 ; x < 8 ; ++x){
CHECK(1 == ncplane_putegc_yx(n_, y, x, "A", &sbytes));
}
}
CHECK(0 == notcurses_render(nc_));
// EGC/color should change, but nothing else
CHECK(0 == ncplane_cursor_move_yx(n_, 0, 0));
uint64_t channels = 0;
channels_set_fg_rgb(&channels, 0x88, 0x99, 0x77);
channels_set_bg(&channels, 0);
REQUIRE(0 < ncplane_stain(n_, 7, 7, channels, channels, channels, channels));
CHECK(0 == notcurses_render(nc_));
cell d = CELL_TRIVIAL_INITIALIZER;
for(int y = 0 ; y < 8 ; ++y){
for(int x = 0 ; x < 8 ; ++x){
CHECK(1 == ncplane_at_yx_cell(n_, y, x, &d));
CHECK(channels == d.channels);
REQUIRE(cell_simple_p(&d));
CHECK('A' == d.gcluster);
}
}
}
// test the single-cell (1x1) special case
SUBCASE("GradientSingleCell") {
int sbytes;
CHECK(0 == ncplane_set_fg(n_, 0x444444));
CHECK(1 == ncplane_putegc_yx(n_, 0, 0, "A", &sbytes));
CHECK(0 == notcurses_render(nc_));
CHECK(0 == ncplane_cursor_move_yx(n_, 0, 0));
uint64_t channels = 0;
channels_set_fg_rgb(&channels, 0x88, 0x99, 0x77);
channels_set_bg(&channels, 0);
REQUIRE(0 < ncplane_gradient(n_, "A", 0, channels, channels, channels, channels, 0, 0));
CHECK(0 == notcurses_render(nc_));
cell d = CELL_TRIVIAL_INITIALIZER;
CHECK(1 == ncplane_at_yx_cell(n_, 0, 0, &d));
CHECK(channels == d.channels);
REQUIRE(cell_simple_p(&d));
CHECK('A' == d.gcluster);
}
// 1d gradients over multiple cells
SUBCASE("Gradient1D") {
int sbytes;
CHECK(0 == ncplane_set_fg(n_, 0x444444));
CHECK(1 == ncplane_putegc_yx(n_, 0, 0, "A", &sbytes));
CHECK(0 == notcurses_render(nc_));
CHECK(0 == ncplane_cursor_move_yx(n_, 0, 0));
uint64_t chan1 = 0, chan2 = 0;
channels_set_fg_rgb(&chan1, 0x88, 0x99, 0x77);
channels_set_fg_rgb(&chan2, 0x77, 0x99, 0x88);
channels_set_bg(&chan1, 0);
channels_set_bg(&chan2, 0);
REQUIRE(0 < ncplane_gradient(n_, "A", 0, chan1, chan2, chan1, chan2, 0, 3));
CHECK(0 == notcurses_render(nc_));
cell d = CELL_TRIVIAL_INITIALIZER;
CHECK(1 == ncplane_at_yx_cell(n_, 0, 0, &d));
CHECK(chan1 == d.channels);
REQUIRE(cell_simple_p(&d));
CHECK('A' == d.gcluster);
CHECK(0 == ncplane_cursor_move_yx(n_, 0, 0));
REQUIRE(0 < ncplane_gradient(n_, "A", 0, chan2, chan1, chan2, chan1, 0, 3));
CHECK(1 == ncplane_at_yx_cell(n_, 0, 0, &d));
REQUIRE(cell_simple_p(&d));
CHECK('A' == d.gcluster);
CHECK(chan2 == d.channels);
}
// Unlike a typical gradient, a high gradient ought be able to do a vertical
// change in a single row.
SUBCASE("HighGradient2Colors1Row") {
uint32_t ul, ur, ll, lr;
ul = ur = ll = lr = 0;
channel_set(&ul, 0xffffff);
channel_set(&lr, 0x000000);
channel_set(&ll, 0x00ffff);
channel_set(&ur, 0xff00ff);
int dimy, dimx;
ncplane_dim_yx(n_, &dimy, &dimx);
REQUIRE(0 < ncplane_highgradient_sized(n_, ul, ur, ll, lr, dimy, dimx));
CHECK(0 == notcurses_render(nc_));
}
SUBCASE("HighGradient") {
uint32_t ul, ur, ll, lr;
ul = ur = ll = lr = 0;
channel_set(&ul, 0xffffff);
channel_set(&lr, 0x000000);
channel_set(&ll, 0x00ffff);
channel_set(&ur, 0xff00ff);
int dimy, dimx;
ncplane_dim_yx(n_, &dimy, &dimx);
REQUIRE(0 < ncplane_highgradient_sized(n_, ul, ur, ll, lr, dimy, dimx));
CHECK(0 == notcurses_render(nc_));
}
SUBCASE("MergeDownASCII") {
auto p1 = ncplane_new(nc_, 1, 10, 0, 0, nullptr);
REQUIRE(p1);
// make sure glyphs replace nulls
CHECK(0 < ncplane_putstr(p1, "0123456789"));
CHECK(0 == ncplane_mergedown(p1, n_));
cell cbase = CELL_TRIVIAL_INITIALIZER;
cell cp = CELL_TRIVIAL_INITIALIZER;
for(int i = 0 ; i < 10 ; ++i){
CHECK(0 < ncplane_at_yx_cell(n_, 0, i, &cbase));
CHECK(0 < ncplane_at_yx_cell(p1, 0, i, &cp));
CHECK(0 == cellcmp(n_, &cbase, p1, &cp));
}
CHECK(0 == ncplane_cursor_move_yx(p1, 0, 0));
// make sure glyphs replace glyps
CHECK(0 < ncplane_putstr(p1, "9876543210"));
CHECK(0 == ncplane_mergedown(p1, n_));
for(int i = 0 ; i < 10 ; ++i){
CHECK(0 < ncplane_at_yx_cell(n_, 0, i, &cbase));
CHECK(0 < ncplane_at_yx_cell(p1, 0, i, &cp));
CHECK(0 == cellcmp(n_, &cbase, p1, &cp));
}
// make sure nulls do not replace glyphs
auto p2 = ncplane_new(nc_, 1, 10, 0, 0, nullptr);
CHECK(0 == ncplane_mergedown(p2, n_));
ncplane_destroy(p2);
for(int i = 0 ; i < 10 ; ++i){
CHECK(0 < ncplane_at_yx_cell(n_, 0, i, &cbase));
CHECK(0 < ncplane_at_yx_cell(p1, 0, i, &cp));
CHECK(0 == cellcmp(n_, &cbase, p1, &cp));
}
ncplane_destroy(p1);
}
SUBCASE("MergeDownUni") {
auto p1 = ncplane_new(nc_, 1, 10, 0, 0, nullptr);
REQUIRE(p1);
// make sure glyphs replace nulls
CHECK(0 < ncplane_putstr(p1, "█▀▄▌▐🞵🞶🞷🞸🞹"));
CHECK(0 == ncplane_mergedown(p1, n_));
cell cbase = CELL_TRIVIAL_INITIALIZER;
cell cp = CELL_TRIVIAL_INITIALIZER;
for(int i = 0 ; i < 10 ; ++i){
CHECK(0 < ncplane_at_yx_cell(n_, 0, i, &cbase));
CHECK(0 < ncplane_at_yx_cell(p1, 0, i, &cp));
CHECK(0 == cellcmp(n_, &cbase, p1, &cp));
}
ncplane_destroy(p1);
CHECK(0 == notcurses_render(nc_));
auto p3 = ncplane_new(nc_, 1, 10, 0, 0, nullptr);
CHECK(0 == ncplane_cursor_move_yx(p3, 0, 0));
// make sure glyphs replace glyps
CHECK(0 < ncplane_putstr(p3, "🞵🞶🞷🞸🞹█▀▄▌▐"));
CHECK(0 == ncplane_mergedown(p3, nullptr));
cell c3 = CELL_TRIVIAL_INITIALIZER;
for(int i = 0 ; i < 10 ; ++i){
CHECK(0 < ncplane_at_yx_cell(n_, 0, i, &cbase));
CHECK(0 < ncplane_at_yx_cell(p3, 0, i, &c3));
CHECK(0 == cellcmp(n_, &cbase, p3, &c3));
}
CHECK(0 == notcurses_render(nc_));
// make sure nulls do not replace glyphs
auto p2 = ncplane_new(nc_, 1, 10, 0, 0, nullptr);
CHECK(0 == ncplane_mergedown(p2, nullptr));
ncplane_destroy(p2);
for(int i = 0 ; i < 10 ; ++i){
CHECK(0 < ncplane_at_yx_cell(n_, 0, i, &cbase));
CHECK(0 < ncplane_at_yx_cell(p3, 0, i, &c3));
CHECK(0 == cellcmp(n_, &cbase, p3, &c3));
}
ncplane_destroy(p3);
CHECK(0 == notcurses_render(nc_));
}
// test merging down one plane to another plane which is smaller than the
// standard plane
SUBCASE("MergeDownSmallPlane") {
constexpr int DIMX = 10;
constexpr int DIMY = 10;
auto p1 = ncplane_new(nc_, DIMY, DIMX, 2, 2, nullptr);
REQUIRE(p1);
cell c1 = CELL_TRIVIAL_INITIALIZER;
CHECK(0 < cell_load(p1, &c1, "█"));
CHECK(0 == cell_set_bg(&c1, 0x00ff00));
CHECK(0 == cell_set_fg(&c1, 0x0000ff));
CHECK(0 < ncplane_polyfill_yx(p1, 0, 0, &c1));
CHECK(0 == notcurses_render(nc_));
auto p2 = ncplane_new(nc_, DIMY / 2, DIMX / 2, 3, 3, nullptr);
REQUIRE(p2);
cell c2 = CELL_TRIVIAL_INITIALIZER;
CHECK(0 < cell_load(p2, &c2, "🞶"));
CHECK(0 == cell_set_bg(&c2, 0x00ffff));
CHECK(0 == cell_set_fg(&c2, 0xff00ff));
CHECK(0 < ncplane_polyfill_yx(p2, 0, 0, &c2));
CHECK(0 == ncplane_mergedown(p2, p1));
CHECK(0 == notcurses_render(nc_));
for(int y = 0 ; y < DIMY ; ++y){
for(int x = 0 ; x < DIMX ; ++x){
CHECK(0 < ncplane_at_yx_cell(p1, y, x, &c1));
if(y < 1 || y > 5 || x < 1 || x > 5){
CHECK(0 == strcmp(extended_gcluster(p1, &c1), "█"));
}else{
CHECK(0 < ncplane_at_yx_cell(p2, y - 1, x - 1, &c2));
CHECK(0 == cellcmp(p1, &c1, p2, &c2));
}
}
}
ncplane_destroy(p1);
ncplane_destroy(p2);
}
#ifdef USE_QRCODEGEN
SUBCASE("QRCodes") {
const char* qr = "a very simple qr code";
int dimy, dimx;
ncplane_dim_yx(n_, &dimy, &dimx);
CHECK(0 < ncplane_qrcode(n_, NCBLIT_DEFAULT, &dimy, &dimx, qr, strlen(qr)));
CHECK(0 == notcurses_render(nc_));
}
#endif
CHECK(0 == notcurses_stop(nc_));
}
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