78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
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#include <stdio.h>
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#include "bitmap-outliner.h"
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/**
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* Terminal colors.
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*/
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enum {
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COLOR_RESET = 0,
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COLOR_RED,
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COLOR_GREEN,
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COLOR_YELLOW,
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};
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/**
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* Terminal color escape sequences.
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*/
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static char const* const colors[] = {
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[COLOR_RESET] = "\033[0m",
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[COLOR_RED] = "\033[31m",
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[COLOR_GREEN] = "\033[32m",
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[COLOR_YELLOW] = "\033[33m",
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};
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/**
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* Print arrow grid.
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*
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* @param width Width of bitmap.
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* @param height Height of bitmap.
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* @param data The bitmap to print.
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* @param grid The arrow grid to print.
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*/
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static void print_grid(int width, int height, uint8_t const data[height][width], bmol_arrow const grid[height * 2 + 3][width + 3]) {
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static char const* arrows[] = {
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[BMOL_ARR_NONE] = "∙",
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[BMOL_ARR_RIGHT] = "→",
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[BMOL_ARR_LEFT] = "←",
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[BMOL_ARR_DOWN] = "↓",
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[BMOL_ARR_UP] = "↑",
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};
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int gridWidth = width + 3;
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int gridHeight = height * 2 + 3;
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for (int y = 0; y < gridHeight; y++) {
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if (y % 2 != 0) {
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printf(" ");
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}
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for (int x = 0; x < gridWidth - (y % 2 != 0); x++) {
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bmol_arrow a = grid[y][x];
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int type = a.type;
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char const* color = "";
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if (type) {
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color = colors[a.inner ? COLOR_RED : COLOR_GREEN];
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}
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printf("%s%s%s", color, arrows[(int)type], colors[COLOR_RESET]);
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if (x > 0 && y >= 2 && x < gridWidth - 2 && y < gridHeight - 2 && (y % 2) == 0) {
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printf(" %c ", data[(y - 2) / 2][x - 1] ? '#' : ' ');
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}
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else {
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printf(" ");
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}
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}
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printf("\n");
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}
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}
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void bmol_print_grid(bmol_outliner const* outliner) {
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int width = outliner->width;
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int height = outliner->height;
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print_grid(width, height, (uint8_t const (*)[width])outliner->data, (bmol_arrow (*)[width])outliner->arrow_grid);
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}
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