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package modules
import (
"errors"
)
type Pattern [][]bool
var DigitPatterns = map[int]Pattern{
0: {
{true, true, true},
{true, false, true},
{true, false, true},
{true, false, true},
{true, true, true},
},
1: {
{false, true, false},
{true, true, false},
{false, true, false},
{false, true, false},
{true, true, true},
},
2: {
{true, true, true},
{false, false, true},
{true, true, true},
{true, false, false},
{true, true, true},
},
3: {
{true, true, true},
{false, false, true},
{true, true, true},
{false, false, true},
{true, true, true},
},
4: {
{true, false, true},
{true, false, true},
{true, true, true},
{false, false, true},
{false, false, true},
},
5: {
{true, true, true},
{true, false, false},
{true, true, true},
{false, false, true},
{true, true, true},
},
6: {
{true, true, true},
{true, false, false},
{true, true, true},
{true, false, true},
{true, true, true},
},
7: {
{true, true, true},
{false, false, true},
{false, true, false},
{false, true, false},
{false, true, false},
},
8: {
{true, true, true},
{true, false, true},
{true, true, true},
{true, false, true},
{true, true, true},
},
9: {
{true, true, true},
{true, false, true},
{true, true, true},
{false, false, true},
{true, true, true},
},
}
var SymbolPatterns = map[string]Pattern{
"celsius": {
{true, false, false, false, false},
{false, false, true, true, false},
{false, true, false, false, false},
{false, true, false, false, false},
{false, false, true, true, false},
},
"fahrenheit": {
{true, false, true, true, false},
{false, false, true, false, false},
{false, false, true, true, false},
{false, false, true, false, false},
{false, false, true, false, false},
},
"percent": {
{false, false, false, false, false},
{false, true, false, false, true},
{false, false, false, true, false},
{false, false, true, false, false},
{false, true, false, false, true},
},
}
func InsertPattern(grid [][]bool, pattern Pattern, row, col int) {
for i, rowPattern := range pattern {
for j, val := range rowPattern {
if row+i < len(grid) && col+j < len(grid[0]) {
grid[row+i][col+j] = val
}
}
}
}
func CreateNumberGrid(value int, symbol string, row int) ([][]bool, error) {
if value < 0 || value >= 1000 {
return nil, errors.New("value must be between 0 and 999")
}
if _, ok := SymbolPatterns[symbol]; !ok {
return nil, errors.New("unsupported symbol")
}
grid := make([][]bool, 14)
for i := range grid {
grid[i] = make([]bool, 14)
}
var (
digits []int
symbolCol int
)
if value < 100 {
digits = []int{value / 10, value % 10}
symbolCol = 9
} else {
digits = []int{value / 100, (value % 100) / 10, value % 10}
symbolCol = 13
}
col := 1
for _, digit := range digits {
InsertPattern(grid, DigitPatterns[digit], row, col)
col += 4
}
InsertPattern(grid, SymbolPatterns[symbol], row, symbolCol)
return grid, nil
}
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