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stair_steps.cpp
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#include "stair_steps.h"
#include "MyRect.h"
#include "index_from.h"
#include "MPD_Arc.h"
#include "WidgetContext.h"
#include "swap_rectangles.h"
#include "compact_rectangles.h"
#include "compact_frame.h"
#include "binpack.h"
#include "optimize_rectangle_positions.h"
#include "fit_together.h"
#include "permutation.h"
#include "KMeansRexCore.h"
#include "FunctionTimer.h"
#include <vector>
#include <stack>
#include <iterator>
#include <unordered_map>
#include <unordered_set>
#include <algorithm>
#include <ranges>
#include <numeric>
#include <random>
#include <fstream>
#include <assert.h>
#include <chrono>
#include <Eigen/Core>
#include <Eigen/Eigenvalues>
#include "latuile_test_json_output.h"
//#include <omp.h>
using namespace std ;
using namespace std::chrono;
using namespace Eigen ;
typedef Matrix<WidgetContext,Dynamic,Dynamic> MatrixXw ;
typedef Matrix<MyRect,Dynamic,Dynamic> MatrixXr ;
//implemented in this file. called in this file before the implementation.
bool minimum_cut(const MatrixXd& W,
PermutationMatrix<Dynamic>& perm2,
vector<int> &component_distribution);
vector<vector<MPD_Arc> > compute_adjacency_list_(const Matrix<int8_t,-1,-1>& OW) ;
vector<vector<MPD_Arc> > compute_adjacency_list(const MatrixXd& OW) ;
void connected_components(const vector<vector<MPD_Arc> >& adjacency_list,
vector<int>& connected_component) ;
bool stair_steps(vector<MyRect> &rectangles, MyRect& rr, vector<vector<MPD_Arc> > &adjacency_list)
{
FunctionTimer ft("stair_steps");
int n = rectangles.size() ;
vector<vector<MyRect*> > unordered_adjacency_list(n) ;
for (const auto& [i, j] : adjacency_list | views::join)
{
if (i == j)
continue ;
unordered_adjacency_list[i].push_back(&rectangles[j]) ;
unordered_adjacency_list[j].push_back(&rectangles[i]) ;
}
//ORDER each adjacency list BY rectangle width DESC. This is to make sure that lower steps of the stairway are larger.
for (vector<MyRect*>& adj : unordered_adjacency_list)
ranges::sort(adj, ranges::greater(), [&](MyRect* r){return width(*r);}) ;
for (MyRect& r : rectangles)
r.selected = false ;
rr.selected = true ;
stack<MyRect*> pending_stack ;
pending_stack.push(&rr) ;
struct NormalDirection {Direction direction; Sens sens; } ;
const NormalDirection normal4[4] = {
{EAST_WEST, INCREASE},
{NORTH_SOUTH, DECREASE},
{EAST_WEST, DECREASE},
{NORTH_SOUTH, INCREASE}
} ;
while (!pending_stack.empty())
{
MyRect *rr = pending_stack.top() ;
pending_stack.pop() ;
const NormalDirection *normal = &normal4[0] ;
MyRect *prec = 0 ;
for (MyRect* r : unordered_adjacency_list[rr->i])
{
if (r->selected)
continue ;
pending_stack.push(r) ;
translate(*r, {rr->m_left - r->m_left, rr->m_top - r->m_top}) ;
const NormalDirection * next_normal = normal+1 == normal4+4 ? normal4 : normal+1 ;
if (prec == 0)
{
MyPoint translation ;
value(translation, normal->direction) = value(*rr, normal->direction, normal->sens) -
value(*r, normal->direction, reverse(normal->sens)) ;
value(translation, transpose(normal->direction)) = value(*rr, transpose(normal->direction), normal->sens) -
value(*r, transpose(normal->direction), normal->sens) ;
translate(*r, translation) ;
}
else if (value(*rr, next_normal->direction, next_normal->sens)*next_normal->sens >
value(*prec, next_normal->direction, next_normal->sens)*next_normal->sens)
{
//there is room for another step
MyPoint translation ;
value(translation, normal->direction) = value(*prec, normal->direction, reverse(normal->sens)) -
value(*r, normal->direction, reverse(normal->sens)) ;
value(translation, next_normal->direction) = value(*prec, next_normal->direction, next_normal->sens) -
value(*r, next_normal->direction, reverse(next_normal->sens)) ;
translate(*r, translation) ;
}
else
{
//no more room for another step. start using the next side
MyPoint translation ;
//use the yet to be replaced normal to compute the transaction coordinate in this direction
value(translation, normal->direction) = value(*rr, normal->direction, normal->sens) -
value(*r, normal->direction, normal->sens) ;
normal++ ;
if (distance(normal4, normal) >= 4)
break ;
prec = 0 ;
value(translation, normal->direction) = value(*rr, normal->direction, normal->sens) -
value(*r, normal->direction, reverse(normal->sens)) ;
translate(*r, translation) ;
}
int index = index_from_if(rectangles, [&](const MyRect& rec){return rec.i!=r->i && rec.selected && intersect_strict(rec, *r) ;}) ;
if (index == -1)
{
r->selected = true ;
prec = r ;
}
if (index != -1 && prec==0)
{
//rr is not the first one. so some space has already been reserved. We try the start position for every normal.
normal = normal4 - 1 ;
while (normal+1 < normal4+4 &&
index_from_if(rectangles, [&](const MyRect& rec){return rec.i!=r->i && rec.selected && intersect_strict(rec, *r) ;}) != -1)
{
translate(*r, {rr->m_left - r->m_left, rr->m_top - r->m_top}) ;
// same code as 'no more room for another step. start using the next side'
MyPoint translation ;
//use the yet to be replaced normal to compute the translation coordinate in this direction
const NormalDirection *normal_ = normal == normal4 - 1 ? normal + 4 : normal ;
value(translation, normal_->direction) = value(*rr, normal_->direction, normal_->sens) -
value(*r, normal_->direction, normal_->sens) ;
normal++ ;
value(translation, normal->direction) = value(*rr, normal->direction, normal->sens) -
value(*r, normal->direction, reverse(normal->sens)) ;
translate(*r, translation) ;
int index = index_from_if(rectangles, [&](const MyRect& rec){return rec.i!=r->i && rec.selected && intersect_strict(rec, *r) ;}) ;
if (index != -1)
{
MyRect *prec = &rectangles[index] ;
//now try to use the hit rectangle as predecessor along this direction. So we reuse the code from 'case we have a pred'
translate(*r, {rr->m_left - r->m_left, rr->m_top - r->m_top}) ;
const NormalDirection * next_normal = normal+1 == normal4+4 ? normal4 : normal+1 ;
if (value(*rr, next_normal->direction, next_normal->sens)*next_normal->sens >
value(*prec, next_normal->direction, next_normal->sens)*next_normal->sens)
{
//there is room for another step
MyPoint translation ;
value(translation, normal->direction) = value(*prec, normal->direction, reverse(normal->sens)) -
value(*r, normal->direction, reverse(normal->sens)) ;
value(translation, next_normal->direction) = value(*prec, next_normal->direction, next_normal->sens) -
value(*r, next_normal->direction, reverse(next_normal->sens)) ;
translate(*r, translation) ;
}
}
}/*while (normal+1 < normal4+4 &&
index_from_if(rectangles, [&](const MyRect& rec){return rec.i!=r->i && rec.selected && intersect_strict(rec, *r) ;}) != -1)*/
if (index_from_if(rectangles, [&](const MyRect& rec){return rec.i!=r->i && rec.selected && intersect_strict(rec, *r) ;}) == -1)
{
r->selected = true ;
prec = r ;
}
else
{
return false ;
}
}//if (index != -1 && prec==0)
}//for (MyRect* r : unordered_adjacency_list[rr->i])
}//while (!pending_stack.empty())
MyRect frame = compute_frame(rectangles) ;
for (MyRect &r : rectangles)
{
translate(r, {- frame.m_left,- frame.m_top}) ;
}
return index_from_if(rectangles, [](const MyRect& r){return r.selected == false;}) == -1 ;
}
void composite_from_selected_rectangles(vector<WidgetContext> &rects, vector<vector<MPD_Arc> > &adjacency_list)
{
int n = rects.size() ;
int not_selected = ranges::count_if(rects, [](const WidgetContext& widget){return widget.r.selected==false ;}) ;
int selected = rects.size() - not_selected ;
//1) calcule de la matrice de permutation
vector<int> permutation(n) ;
ranges::copy(views::iota(0, n), begin(permutation)) ;
//on met les selectionnes a droite.
ranges::sort(permutation, {}, [&](int i){return rects[i].r.selected; }) ;
permutation = compute_reverse_permutation(permutation) ;
PermutationMatrix<Dynamic> perm(n) ;
for (int i=0; i < n; i++)
perm.indices().data()[i] = permutation[i] ;
//2) mise a jour des rectangles composites
vector<WidgetContext> my_rectangles(n) ;
Map<MatrixXw>(my_rectangles.data(), n, 1) = (perm * Map<MatrixXw>(rects.data(), n, 1)) ;
vector<WidgetContext> selected_rectangles(my_rectangles.begin() + not_selected, my_rectangles.end()),
not_selected_rectangles(my_rectangles.begin(), my_rectangles.begin() + not_selected) ;
my_rectangles = not_selected_rectangles ;
WidgetContext widget ;
widget.type = WidgetType::COMPOSITE_WIDGET ;
widget.widgets = selected_rectangles ;
MyRect frame = compute_frame(vector<MyRect>(selected_rectangles.begin(), selected_rectangles.end())) ;
for (WidgetContext& child_widget : widget.widgets)
translate(child_widget.r, {-frame.m_left, -frame.m_top}) ;
widget.r = frame ;
translate(widget.r, {-frame.m_left, -frame.m_top}) ;
my_rectangles.push_back(widget) ;
rects = my_rectangles ;
//3) mise a jour de la liste d'adjacence
MatrixXd OW = MatrixXd::Zero(n,n) ; //Oriented Weights
for (auto [i, j] : adjacency_list | std::views::join)
{
OW(i, j) = 1 ;
}
OW = perm * OW * perm.transpose() ;
// (startRow, startCol, blockRows, blockCols)
OW.col(not_selected) = OW.block(0, not_selected, n, selected).rowwise().sum() ; //rowwise().sum() returns a vector of the sums in each row
OW.row(not_selected) = OW.block(not_selected, 0, selected, n).colwise().sum() ;
adjacency_list = compute_adjacency_list(OW.block(0,0,not_selected+1, not_selected+1)) ;
}
bool stair_steps_(vector<MyRect> &rectangles, vector<vector<MPD_Arc> > &adj_list)
{
FunctionTimer ft("stair_steps_");
int n = rectangles.size() ;
vector<vector<MyRect> > solutions ;
for (int i=0; i < n; i++)
{
vector<vector<MPD_Arc> > adjacency_list = adj_list ;
vector<WidgetContext> rects(n) ;
for (int ii=0; ii < n; ii++)
{
WidgetContext &widget = rects[ii] ;
MyRect& r = rectangles[ii] ;
widget.type = WidgetType::RECTANGLE ;
widget.r = r ;
widget.r.selected = false ;
}
while(int not_selected = ranges::count_if(rects, [](const WidgetContext& widget){return widget.r.selected==false ;}))
{
int selected = rects.size() - not_selected ;
int n = rects.size() ;
/*
MatrixXd W = MatrixXd::Zero(n,n) ;
PermutationMatrix<Dynamic> perm(n) ;
for (const auto& [i, j] : adjacency_list | views::join)
{
W(i,j) = W(j,i) = 1 ;
}
vector<int> v(n);
if (selected != 0 && minimum_cut(W, perm, v)==false)
{
composite_from_selected_rectangles(rects, adjacency_list) ;
if (rects.size() == n)
break ; // composite hat nichts gebracht
}
if (selected != 0 && minimum_cut(W, perm, v)==true)
{
break ;
}
n = rects.size() ;
*/
vector<MyRect> rectangles_(n) ;
for (int i=0; i < n; i++)
{
MyRect& r = rectangles_[i] ;
WidgetContext& widget = rects[i] ;
r = widget.r ;
r.i = i ;
}
bool result = stair_steps(rectangles_, rectangles_[i < n ? i : n-1], adjacency_list) ;
for (int i=0; i < n; i++)
{
MyRect& r = rectangles_[i] ;
WidgetContext& widget = rects[i] ;
int ri = widget.r.i ;
widget.r = r ;
widget.r.i = ri ;
}
}
// rects = collapse_composite(rects) ;
vector<MyRect> rects2(rects.size()) ;
for (WidgetContext &widget : rects)
{
assert(widget.type == WidgetType::RECTANGLE) ;
MyRect &r = widget.r ;
rects2[r.i] = r ;
}
if (index_from_if(rects,[](const WidgetContext& widget){return widget.r.selected==false;}) == -1)
solutions.push_back(rects2) ;
}
if (solutions.empty())
return false ;
rectangles = * ranges::min_element(solutions, {}, [](const vector<MyRect>& rects){
return dim_max(compute_frame(rects));
}) ;
MyRect frame = compute_frame(rectangles) ;
for (MyRect &r : rectangles)
translate(r, {-frame.m_left, -frame.m_top}) ;
return true ;
}
bool stair_steps(vector<MyRect> &rectangles, vector<vector<MPD_Arc> > adjacency_list)
{
FunctionTimer ft("stair_steps");
vector<vector<MyRect> > solutions ;
vector<MyRect> rectangles_ = rectangles ;
bool result = stair_steps_(rectangles_, adjacency_list) ;
if (result)
solutions.push_back(rectangles_) ;
/*
Cas des chaines:
+---+
| |
| |
| +---+---+
| | | |
| A | B | C |
+---+---+---+
si un element C n'est connecte que par un lien et que celui a qui il est connecte (B) l'est par deux liens, alors on essaye de connecter A avec C, car en s'enroulant
autour de A, B et C vont bien se retrouver l'un a cote de l'autre.
Detection des chaines : # liens == # rectangles - 1 (en retirant les liens self) et max(cardinality) == 2
*/
int n = rectangles.size() ;
vector<vector<int> > unoriented_adjacency_list(n) ;
for (const auto& [i, j] : adjacency_list | views::join)
{
if (i == j)
continue ;
unoriented_adjacency_list[i].push_back(j) ;
unoriented_adjacency_list[j].push_back(i) ;
}
int edge_count = 0 ;
for (vector<int>& adj : unoriented_adjacency_list)
edge_count += adj.size() ;
edge_count /= 2 ;
int max_cardinality = 0 ;
for (vector<int>& adj : unoriented_adjacency_list)
max_cardinality = max<int>(max_cardinality, adj.size()) ;
if (edge_count == n - 1 && max_cardinality == 2)
{
// on a une chaine.
for (int i=0; i<n; i++)
{
vector<int>& adj = unoriented_adjacency_list[i] ;
if (adj.size() == 2)
{
adjacency_list[ adj[0] ].push_back( MPD_Arc{adj[0], adj[1]} ) ;
}
}
vector<MyRect> rectangles_ = rectangles ;
bool result = stair_steps(rectangles_, adjacency_list) ;
if (result)
solutions.push_back(rectangles_) ;
}
if (solutions.empty())
return false ;
rectangles = * ranges::min_element(solutions, {}, [](const vector<MyRect>& rectangles){return dim_max(compute_frame(rectangles)) ;}) ;
MyRect frame = compute_frame(rectangles) ;
for (MyRect &r : rectangles)
translate(r, {-frame.m_left, -frame.m_top}) ;
return true ;
}
void write_json(const vector<MyRect>& rectangles, const vector<Context>& contexts, char (&buffer)[100000])
{
int pos=0;
pos += sprintf(buffer + pos, "{\"contexts\":[\n");
for (const Context& ctx : contexts)
{
pos += sprintf(buffer + pos, "{\"title\":\"%s\",\n", ctx.title.c_str());
pos += sprintf(buffer + pos, "\"frame\":{\"left\":%d,\"right\":%d,\"top\":%d,\"bottom\":%d},\n", 0, width(ctx.frame), 0, height(ctx.frame));
pos += sprintf(buffer + pos, "\"translatedBoxes\":[\n");
for (const MyRect& r : ctx.rectangles)
{
assert(r.m_left < r.m_right);
assert(r.m_top < r.m_bottom);
pos += sprintf(buffer + pos, "{\"id\":%d, \"translation\":{\"x\":%d,\"y\":%d}}%c\n", r.no_sequence, r.m_left, r.m_top,
&r == &ctx.rectangles.back() ? ' ' : ',');
}
pos += sprintf(buffer + pos, "],\n");
pos += sprintf(buffer + pos, "\"links\":[]\n");
pos += sprintf(buffer + pos, "}%c\n", &ctx == &contexts.back() ? ' ' : ',');
}
pos += sprintf(buffer + pos, "],\n");
pos += sprintf(buffer + pos, "\"rectangles\":[\n");
for (const MyRect& r : rectangles)
{
pos += sprintf(buffer + pos, "\t{\"left\":%hu,\"right\":%hu,\"top\":%hu,\"bottom\":%hu}%c\n", 0, width(r), 0, height(r), &r == &rectangles.back() ? ' ' : ',');
}
pos += sprintf(buffer + pos, "]\n");
pos += sprintf(buffer + pos, "}\n");
buffer[pos]=0;
assert(pos < 100000);
}
void test_stair_steps(int rect_border)
{
TestFunctionTimer ft("test_stair_steps");
struct DataContext{int testid; string title; vector<MyRect> input_rectangles; vector<Edge> edges; vector<TranslatedBox> expected_translations; MyRect frame;};
const vector<DataContext> vdctx = {
{
1,"My first SVG",
{
{0, 50, 0, 60},
{0, 50, 0, 120},
{0, 40, 0, 40},
{0, 60, 0, 50},
{0, 30, 0, 40}
},
{
{.from=0, .to=1},
{.from=0, .to=2},
{.from=1, .to=3},
{.from=1, .to=4}
},
{
{0,{90,50}},
{1,{0,80}},
{2,{180,70}},
{3,{90,150}},
{4,{20,0}}
},
/*frame*/{0,220,0,200}
},
{
2,"RANELITEG/1",
{
{0, 121, 0, 104},
{0, 137, 0, 248},
{0, 95, 0, 56},
{0, 109, 0, 56},
{0, 79, 0, 40},
{0, 89, 0, 72},
{0, 85, 0, 72},
{0, 120, 0, 72},
{0, 96, 0, 72},
},
{
{.from=0, .to=1},
{.from=1, .to=2},
{.from=1, .to=3},
{.from=1, .to=4},
{.from=5, .to=1},
{.from=6, .to=1},
{.from=7, .to=0},
{.from=8, .to=1}
},
{
{0,{0,256}},
{1,{161,112}},
{2,{338,96}},
{3,{338,304}},
{4,{161,400}},
{5,{209,0}},
{6,{84,0}},
{7,{1,144}},
{8,{338,192}}
},
/*frame*/{0,447,0,440}
},
{
3,"RANELITEG/2",
{
{0, 135, 0, 152},
{0, 105, 0, 88},
{0, 105, 0, 88},
{0, 55, 0, 56},
{0, 84, 0, 104},
{0, 136, 0, 40},
{0, 100, 0, 56}
},
{
{.from=0, .to=3},
{.from=0, .to=4},
{.from=0, .to=5},
{.from=1, .to=0},
{.from=1, .to=6},
{.from=2, .to=0}
},
{
{0,{95,144}},
{1,{270,128}},
{2,{125,16}},
{3,{0,144}},
{4,{1,0}},
{5,{270,256}},
{6,{415,160}}
},
/*frame*/{0,515,0,296}
},
{
4,"SINITAX/1",
{
{0, 77, 0, 104},
{0, 79, 0, 88},
{0, 51, 0, 88},
{0, 105, 0, 232},
{0, 79, 0, 104},
{0, 77, 0, 88},
{0, 95, 0, 120},
{0, 50, 0, 72}
},
{
{.from=0, .to=2},
{.from=0, .to=4},
{.from=1, .to=0},
{.from=3, .to=0},
{.from=3, .to=1},
{.from=3, .to=2},
{.from=3, .to=4},
{.from=3, .to=7},
{.from=4, .to=2},
{.from=6, .to=3},
{.from=6, .to=5}
},
{
{0,{0,0}},
{1,{236,128}},
{2,{0,144}},
{3,{91,144}},
{4,{117,0}},
{5,{371,288}},
{6,{236,256}},
{7,{1,272}}
},
/*frame*/{0,448,0,376}
},
{
5,"SINITAX/2",
{
{0, 102, 0, 104},
{0, 88, 0, 104},
{0, 69, 0, 72},
{0, 78, 0, 88},
{0, 88, 0, 88},
{0, 69, 0, 72}
},
{
{.from=0, .to=5},
{.from=1, .to=1},
{.from=1, .to=3},
{.from=2, .to=0},
{.from=2, .to=1},
{.from=4, .to=0},
{.from=4, .to=3}
},
{
{0,{128,128}},
{1,{0,16}},
{2,{19,160}},
{3,{128,0}},
{4,{246,0}},
{5,{270,160}}
},
/*frame*/{0,339,0,232}
},
{
6,"SINITAX/3",
{
{0, 58, 0, 72},
{0, 78, 0, 88},
{0, 77, 0, 136}
},
{
{.from=0, .to=2},
{.from=1, .to=0}
},
{
{0,{20,0}},
{1,{0,112}},
{2,{118,64}}
},
/*frame*/{0,195,0,200}
},
{
7,"SAKILA/1",
{
{0, 92, 0, 168},
{0, 93, 0, 88},
{0, 93, 0, 136},
{0, 92, 0, 136},
{0, 83, 0, 200}
},
{
{.from=2, .to=0},
{.from=2, .to=3},
{.from=2, .to=4},
{.from=3, .to=0},
{.from=3, .to=1},
{.from=3, .to=4}
},
{
{0,{255,208}},
{1,{255,80}},
{2,{122,240}},
{3,{123,64}},
{4,{0,0}}
},
/*frame*/{0,348,0,376}
},
{
8,"SAKILA/2",
{
{0, 84, 0, 152},
{0, 89, 0, 168},
{0, 111, 0, 312},
{0, 109, 0, 88}
},
{
{.from=0, .to=1},
{.from=1, .to=2},
{.from=3, .to=0}
},
{
{0,{129,160}},
{1,{0,160}},
{2,{253,0}},
{3,{104,32}}
},
/*frame*/{0,364,0,328}
},
{
9,"SAKILA/3",
{
{0, 80, 0, 88},
{0, 89, 0, 72},
{0, 136, 0, 232},
{0, 89, 0, 72},
{0, 105, 0, 72},
{0, 91, 0, 72}
},
{
{.from=2, .to=5},
{.from=3, .to=0},
{.from=3, .to=2},
{.from=4, .to=1},
{.from=4, .to=2}
},
{
{0,{305,0}},
{1,{321,240}},
{2,{0,80}},
{3,{176,16}},
{4,{176,240}},
{5,{176,128}}
},
/*frame*/{0,410,0,312}
},
{
10,"COCOGIRL/1",
{
{0, 100, 0, 136},
{0, 100, 0, 136},
{0, 124, 0, 216},
{0, 109, 0, 88},
{0, 147, 0, 88},
{0, 80, 0, 72},
{0, 107, 0, 88},
{0, 124, 0, 168},
{0, 128, 0, 88},
{0, 69, 0, 40}
},
{
{.from=0, .to=1},
{.from=1, .to=2},
{.from=1, .to=3},
{.from=1, .to=5},
{.from=1, .to=7},
{.from=1, .to=9},
{.from=4, .to=3},
{.from=6, .to=5},
{.from=8, .to=7}
},
{
{0,{71,336}},
{1,{211,208}},
{2,{351,128}},
{3,{62,208}},
{4,{0,80}},
{5,{211,384}},
{6,{211,496}},
{7,{187,0}},
{8,{351,0}},
{9,{331,384}}
},
/*frame*/{0,479,0,584}
},
{
11,"COCOGIRL/2",
{
{0, 127, 0, 120},
{0, 142, 0, 232},
{0, 114, 0, 168},
{0, 63, 0, 72},
{0, 89, 0, 104},
{0, 146, 0, 248}
},
{
{.from=0, .to=2},
{.from=1, .to=2},
{.from=4, .to=0},
{.from=4, .to=3},
{.from=5, .to=0},
{.from=5, .to=3}
},
{
{0,{116,400}},
{1,{283,0}},
{2,{129,192}},
{3,{26,144}},
{4,{0,256}},
{5,{283,272}}
},
/*frame*/{0,429,0,520}
},
{
.testid=12, .title="LOLA",
.input_rectangles={
{.m_left=0,.m_right=162,.m_top=0,.m_bottom=104},//8-0
{.m_left=0,.m_right=182,.m_top=0,.m_bottom=72},//9-1
{.m_left=0,.m_right=105,.m_top=0,.m_bottom=72},//10-2
{.m_left=0,.m_right=126,.m_top=0,.m_bottom=152},//21-3
{.m_left=0,.m_right=126,.m_top=0,.m_bottom=88},//24-4
{.m_left=0,.m_right=147,.m_top=0,.m_bottom=120},//25-5
{.m_left=0,.m_right=140,.m_top=0,.m_bottom=120},//26-6
{.m_left=0,.m_right=168,.m_top=0,.m_bottom=136},//27-7
{.m_left=0,.m_right=168,.m_top=0,.m_bottom=120},//28-8
{.m_left=0,.m_right=147,.m_top=0,.m_bottom=104},//30-9
{.m_left=0,.m_right=133,.m_top=0,.m_bottom=120},//32-10
{.m_left=0,.m_right=147,.m_top=0,.m_bottom=168},//44-11
{.m_left=0,.m_right=140,.m_top=0,.m_bottom=88},//48-12
{.m_left=0,.m_right=155,.m_top=0,.m_bottom=120},//52-13
{.m_left=0,.m_right=175,.m_top=0,.m_bottom=136}//53-14
},
.edges={
{.from=0,.to=3},
{.from=1,.to=7},
{.from=2,.to=7},
{.from=3,.to=4},
{.from=4,.to=7},
{.from=5,.to=7},
{.from=6,.to=7},
{.from=7,.to=11},
{.from=8,.to=7},
{.from=9,.to=7},
{.from=10,.to=7},
{.from=12,.to=6},
{.from=13,.to=12},
{.from=13,.to=14}
},
.expected_translations={
{.id=0,.translation={.x=396,.y=10}},
{.id=1,.translation={.x=320,.y=330}},
{.id=2,.translation={.x=453,.y=218}},
{.id=3,.translation={.x=598,.y=10}},
{.id=4,.translation={.x=598,.y=202}},
{.id=5,.translation={.x=750,.y=346}},
{.id=6,.translation={.x=273,.y=154}},
{.id=7,.translation={.x=542,.y=330}},
{.id=8,.translation={.x=335,.y=506}},
{.id=9,.translation={.x=556,.y=506}},
{.id=10,.translation={.x=764,.y=186}},
{.id=11,.translation={.x=743,.y=506}},
{.id=12,.translation={.x=93,.y=153}},
{.id=13,.translation={.x=10,.y=281}},
{.id=14,.translation={.x=11,.y=441}}
},
.frame={.m_left=0,.m_right=884,.m_top=0,.m_bottom=552}
}
};
for (const auto& [testid, title, input_rectangles, edges, expected_translations, frame] : vdctx)
{
vector<MyRect> rectangles = input_rectangles;
int n = rectangles.size();
vector<vector<MPD_Arc> > adjacency_list(n) ;
for (const Edge& e : edges)
{
adjacency_list[e.from].push_back({e.from, e.to}) ;
}
high_resolution_clock::time_point t1 = high_resolution_clock::now();
int i=0;
for (MyRect& r : rectangles)
{
r.i = r.no_sequence = i++;
}
for (MyRect &r : rectangles)
{
r.m_right += 2*rect_border ;
r.m_bottom += 2*rect_border ;
}
stair_steps(rectangles, adjacency_list) ;
for (MyRect &r : rectangles)
{
expand_by(r, - rect_border) ;
}
MyRect frame_ = compute_frame(rectangles) ;
for (MyRect &r : rectangles)
{
translate(r, {- frame_.m_left,- frame_.m_top}) ;
}
frame_ = compute_frame(rectangles) ;
ranges::sort(rectangles, {}, &MyRect::no_sequence);
vector<TranslatedBox> translations;
for (MyRect &r : rectangles)
translations.push_back({r.no_sequence,{r.m_left, r.m_top}});
duration<double> time_span = high_resolution_clock::now() - t1;
bool bOK = expected_translations == translations;
printf("%s [%d] %20s %f seconds elapsed\n", bOK ? "OK": "KO",
testid, title.c_str(), time_span.count());
(bOK ? nbOK : nbKO)++;
vector<MyRect> expected_rectangles = input_rectangles;
for (int i=0; i<n; i++)
{
expected_rectangles[i] = translate(input_rectangles[i], expected_translations[i].translation);
}
latuile_test_json_output(input_rectangles,
rectangles,
edges,
expected_rectangles,
"stair_steps",
testid);
}
}
vector<WidgetContext> composite_stair_steps_layout(vector<WidgetContext>& rectangles, const vector<vector<MPD_Arc> >& adjacency_list)
{
FunctionTimer ft("composite_stair_steps_layout");
int n = rectangles.size() ;
vector<MyRect> vec(n) ;
for (int i=0; i < n ; i++)
{
MyRect &r = vec[i] ;
const WidgetContext &widget = rectangles[i] ;
r = widget.r ;
r.i = i ;
}
bool result = stair_steps(vec, adjacency_list) ;
if (result)
{
vector<WidgetContext> rectangles_ = rectangles ;
for (int i=0; i < vec.size(); i++)
{
MyRect &r = vec[i] ;
WidgetContext &widget = rectangles_[i] ;
int ri = widget.r.i ;
widget.r = r ;
widget.r.i = ri ;
}
return rectangles_ ;
}
else
{
MatrixXd W = MatrixXd::Zero(n,n) ;
PermutationMatrix<Dynamic> perm(n) ;
for (const auto [i, j] : adjacency_list | views::join)
{
W(i,j) = W(j,i) = 1 ;
}
Matrix<int8_t,-1,-1> OW = Matrix<int8_t,-1,-1>::Zero(n, n) ; //Oriented Weights
for (const auto [i, j] : adjacency_list | views::join)
{
OW(i, j) = 1 ;
}
vector<int> component_distribution ;
minimum_cut(W,
perm,
component_distribution) ;
int nc = component_distribution.size() ;
int n_acc = 0 ;
vector<WidgetContext> composite_widgets(nc) ;
MatrixXd P = MatrixXd::Zero(n,nc) ;
for (int i=0; i < nc; i++)
{
int np = component_distribution[i] ;
//block(Index startRow, Index startCol, Index blockRows, Index blockCols)
P.block(n_acc, i, np, 1) = MatrixXd::Constant(np, 1, 1) ;
vector<vector<MPD_Arc> > my_adjacency_list = compute_adjacency_list_( (perm * OW * perm.transpose()).block(n_acc, n_acc, np, np) ) ;
vector<WidgetContext> my_rectangles(np) ;
Map<MatrixXw>(my_rectangles.data(), np,1) = (perm * Map<MatrixXw>(rectangles.data(), n,1)).block(n_acc, 0, np, 1) ;
WidgetContext &widget = composite_widgets[i] ;
widget.type = WidgetType::COMPOSITE_WIDGET ;
widget.widgets = my_rectangles ;
widget.widgets = composite_stair_steps_layout(my_rectangles, my_adjacency_list) ;
vector<WidgetContext> &widgets = widget.widgets ;
widget.r = compute_frame(vector<MyRect>(widgets.begin(), widgets.end())) ;
widget.r.i = i ;
n_acc += np ;
}
composite_widgets = composite_stair_steps_layout(composite_widgets, compute_adjacency_list(P.transpose() * (perm*W*perm.transpose()) * P)) ;
return composite_widgets ;
}
}
void rotate_composite(vector<WidgetContext>& rectangles, int rotation_bitmap)
{
FunctionTimer ft("rotate_composite");
vector<WidgetContext*> composites ;
walk_composite(rectangles, [&](WidgetContext& widget){if (widget.type==WidgetType::COMPOSITE_WIDGET && widget.widgets.size()>1)composites.push_back(&widget);}) ;
for (int index=0; index < composites.size(); index++)
{
int rotations = (rotation_bitmap >> (index * 2)) & 0x03 ;
WidgetContext &widget = * composites[index] ;
vector<WidgetContext> &widgets = widget.widgets ;
MyRect frame = compute_frame(vector<MyRect>(widgets.begin(), widgets.end())) ;
for (WidgetContext &child_widget : widgets)
{
if (rotations & 0x01)