#include #include #include /* * Simple textCommandLineCanvas * * diegoCode (Diego Codevilla) / ARG / 2019 * * This program allow to: * * - Show 5x7 characters * - draw boxes, horizontal and vertical lines * - draw with four orientations (in deg): 0, 90, 180, 270 (CW) * - align text: center, left, right * * 5x7 characters generated using * https://omerk.github.io/lcdchargen/ CC-BY-SA 4.0 */ // buffer width & height #define WIDTH 40 #define HEIGHT 40 // first ascii character implemented in the character map #define BASE_CHARMAP 32 // first ascii defined - 32 = ascii of space // width of the characters (number of buffer positions) #define CHAR_WIDTH 5 #define CHAR_CHARACTERS '#' // constants used for alignment #define CENTER -1 #define LEFT -2 #define RIGHT -3 // constants used for orientation #define ORIENTATION_0 0 #define PORTRAIT 0 #define ORIENTATION_90 1 #define LANDSCAPE 1 #define ORIENTATION_180 3 #define ORIENTATION_270 2 void clearCanvas(char canvas[HEIGHT][WIDTH]); void drawCanvas(char canvas[HEIGHT][WIDTH], char orientation); void addChar(char canvas[HEIGHT][WIDTH], char character, int posx, int posy); void addWords(char canvas[HEIGHT][WIDTH], char* str, int posx, int posy); void addBox(char canvas[HEIGHT][WIDTH], int posx0, int posy0, int posx1, int posy1, char* borders); void addLine(char canvas[HEIGHT][WIDTH], int posx0, int posy0, int posx1, int posy1, char character); void addLineV(char canvas[HEIGHT][WIDTH], int posx0, int posy0, int posy1, char character); void addLineH(char canvas[HEIGHT][WIDTH], int posx0, int posy0, int posx1, char character); // buffer definition char banner[HEIGHT][WIDTH]; /* * 5x7 character table */ char charmap[127][8] = { {0b00000,0b00000,0b00000,0b00000,0b00000,0b00000,0b00000,0b00000}, // space {0b00100,0b00100,0b00100,0b00100,0b00100,0b00000,0b00100,0b00000}, // ! {0b01010,0b01010,0b01010,0b00000,0b00000,0b00000,0b00000,0b00000}, // " {0b01010,0b01010,0b11111,0b01010,0b11111,0b01010,0b01010,0b00000}, // # {0b00100,0b01111,0b10100,0b01110,0b00101,0b11110,0b00100,0b00000}, // $ {0b11000,0b11001,0b00010,0b00100,0b01000,0b10011,0b00011,0b00000}, // % {0b01100,0b10010,0b10100,0b01000,0b10101,0b10010,0b01101,0b00000}, // & {0b00100,0b00100,0b00000,0b00000,0b00000,0b00000,0b00000,0b00000}, // ' {0b00100,0b01000,0b10000,0b10000,0b10000,0b01000,0b00100,0b00000}, // ( {0b00100,0b00010,0b00001,0b00001,0b00001,0b00010,0b00100,0b00000}, // ) {0b00000,0b00100,0b10101,0b01110,0b10101,0b00100,0b00000,0b00000}, // * {0b00000,0b00100,0b00100,0b11111,0b00100,0b00100,0b00000,0b00000}, // + {0b00000,0b00000,0b00000,0b00000,0b00110,0b00010,0b00100,0b00000}, // , {0b00000,0b00000,0b00000,0b11111,0b00000,0b00000,0b00000,0b00000}, // - {0b00000,0b00000,0b00000,0b00000,0b00000,0b01100,0b01100,0b00000}, // . {0b00000,0b00001,0b00010,0b00100,0b01000,0b10000,0b00000,0b00000}, // / {0b01110,0b10001,0b10011,0b10101,0b11001,0b10001,0b01110,0b00000}, // 0 {0b00100,0b01100,0b00100,0b00100,0b00100,0b00100,0b01110,0b00000}, // 1 {0b01110,0b10001,0b00001,0b00110,0b01000,0b10000,0b11111,0b00000}, // 2 {0b01110,0b10001,0b00001,0b01110,0b00001,0b10001,0b01110,0b00000}, // 3 {0b00010,0b00110,0b01010,0b10010,0b11111,0b00010,0b00010,0b00000}, // 4 {0b11111,0b10000,0b11110,0b00001,0b00001,0b10001,0b01110,0b00000}, // 5 {0b00110,0b01000,0b10000,0b11110,0b10001,0b10001,0b01110,0b00000}, // 6 {0b11111,0b00001,0b00010,0b00100,0b01000,0b01000,0b01000,0b00000}, // 7 {0b01110,0b10001,0b10001,0b01110,0b10001,0b10001,0b01110,0b00000}, // 8 {0b01110,0b10001,0b10001,0b01111,0b00001,0b00010,0b01100,0b00000}, // 9 {0b00000,0b01100,0b01100,0b00000,0b01100,0b01100,0b00000,0b00000}, // : {0b00000,0b01100,0b01100,0b00000,0b01100,0b00100,0b01000,0b00000}, // ; {0b00010,0b00100,0b01000,0b10000,0b01000,0b00100,0b00010,0b00000}, // < {0b00000,0b00000,0b11111,0b00000,0b11111,0b00000,0b00000,0b00000}, // = {0b01000,0b00100,0b00010,0b00001,0b00010,0b00100,0b01000,0b00000}, // > {0b01110,0b10001,0b00001,0b00010,0b00100,0b00000,0b00100,0b00000}, // ? {0b01110,0b10001,0b00001,0b01101,0b10101,0b10101,0b01110,0b00000}, // @ {0b00100,0b01010,0b10001,0b10001,0b11111,0b10001,0b10001,0b00000}, // A {0b11110,0b10001,0b10001,0b11110,0b10001,0b10001,0b11110,0b00000}, // B {0b01110,0b10000,0b10000,0b10000,0b10000,0b10000,0b01110,0b00000}, // C {0b11110,0b10001,0b10001,0b10001,0b10001,0b10001,0b11110,0b00000}, // D {0b11111,0b10000,0b10000,0b11110,0b10000,0b10000,0b11111,0b00000}, // E {0b11111,0b10000,0b10000,0b11110,0b10000,0b10000,0b10000,0b00000}, // F {0b01110,0b10001,0b10000,0b10011,0b10001,0b10001,0b01111,0b00000}, // G {0b10001,0b10001,0b10001,0b11111,0b10001,0b10001,0b10001,0b00000}, // H {0b01110,0b00100,0b00100,0b00100,0b00100,0b00100,0b01110,0b00000}, // I {0b00111,0b00010,0b00010,0b00010,0b00010,0b10010,0b01100,0b00000}, // J {0b10001,0b10010,0b10100,0b11000,0b10100,0b10010,0b10001,0b00000}, // K {0b10000,0b10000,0b10000,0b10000,0b10000,0b10000,0b11111,0b00000}, // L {0b10001,0b11011,0b10101,0b10101,0b10001,0b10001,0b10001,0b00000}, // M {0b10001,0b11001,0b10101,0b10011,0b10001,0b10001,0b10001,0b00000}, // N {0b01110,0b10001,0b10001,0b10001,0b10001,0b10001,0b01110,0b00000}, // O {0b11110,0b10001,0b10001,0b11110,0b10000,0b10000,0b10000,0b00000}, // P {0b01110,0b10001,0b10001,0b10001,0b10101,0b10010,0b01101,0b00000}, // Q {0b11110,0b10001,0b10001,0b11110,0b10100,0b10010,0b10001,0b00000}, // R {0b01110,0b10001,0b10000,0b01110,0b00001,0b10001,0b01110,0b00000}, // S {0b11111,0b00100,0b00100,0b00100,0b00100,0b00100,0b00100,0b00000}, // T {0b10001,0b10001,0b10001,0b10001,0b10001,0b10001,0b01110,0b00000}, // U {0b10001,0b10001,0b10001,0b10001,0b10001,0b01010,0b00100,0b00000}, // V {0b10001,0b10001,0b10001,0b10101,0b10101,0b10101,0b01010,0b00000}, // W {0b10001,0b10001,0b01010,0b00100,0b01010,0b10001,0b10001,0b00000}, // X {0b10001,0b10001,0b10001,0b01010,0b00100,0b00100,0b00100,0b00000}, // Y {0b11111,0b00001,0b00010,0b00100,0b01000,0b10000,0b11111,0b00000}, // Z {0b01110,0b01000,0b01000,0b01000,0b01000,0b01000,0b01110,0b00000}, // [ {0b00000,0b10000,0b01000,0b00100,0b00010,0b00001,0b00000,0b00000}, // '\' {0b01110,0b00010,0b00010,0b00010,0b00010,0b00010,0b01110,0b00000}, // ] {0b00100,0b01010,0b10001,0b00000,0b00000,0b00000,0b00000,0b00000}, // ^ {0b00000,0b00000,0b00000,0b00000,0b00000,0b00000,0b11111,0b00000}, // _ {0b01000,0b00100,0b00010,0b00000,0b00000,0b00000,0b00000,0b00000}, //` {0b00000,0b00000,0b01010,0b10101,0b10001,0b01010,0b00100,0b00000}, // heart (97) {0b00000,0b00000,0b01010,0b00000,0b10001,0b10001,0b01110,0b00000}, // smile (98) }; int main() { clearCanvas(banner); addWords(banner, "ABCDE", CENTER, 5); addWords(banner, "01234", CENTER, 14); addBox(banner, 1, 1, WIDTH - 2, HEIGHT - 2, "-\\|/-\\|/"); addBox(banner, 0, 0, WIDTH - 1, HEIGHT - 1, "********"); drawCanvas(banner, ORIENTATION_0); drawCanvas(banner, ORIENTATION_90); return 0; } /* * Fill buffer with spaces */ void clearCanvas(char banner[HEIGHT][WIDTH]) { for(int y = 0; y < HEIGHT; y++) { for(int x = 0; x < WIDTH; x++) { banner[y][x] = ' '; } } } /* * Prints buffer content on screen with the given orientation * (ORIENTATION_0, ORIENTATION_90, ORIENTATION_180, ORIENTATION_270) */ void drawCanvas(char banner[HEIGHT][WIDTH], char orientation){ switch (orientation) { default: case ORIENTATION_0: for(int y = 0; y < HEIGHT; y++) { for(int x = 0; x < WIDTH; x++) { putchar(banner[y][x]); } putchar('\n'); } break; case ORIENTATION_90: for(int x = 0; x < HEIGHT; x++) { for(int y = WIDTH - 1; y >= 0; y--) { putchar(banner[y][x]); } putchar('\n'); } break; case ORIENTATION_270: for(int x = HEIGHT - 1; x >= 0; x--) { for(int y = 0; y < WIDTH; y++) { putchar(banner[y][x]); } putchar('\n'); } break; case ORIENTATION_180: for(int y = HEIGHT - 1; y >= 0; y--) { for(int x = WIDTH - 1; x >= 0; x--) { putchar(banner[y][x]); } putchar('\n'); } break; } } /* * Add an horizontal line to the buffer * * posx0, posy0: start point * posx1: end of line * character: character used to represent the line * */ void addLineH(char banner[HEIGHT][WIDTH], int posx0, int posy0, int posx1, char character){ for(int p = posx0; p < posx1; p++) { banner[posy0][p] = character; } } /* * Add a vertical line to the buffer * * posx0, posy0: start point * posy1: end of line * character: character used to represent the line * */ void addLineV(char banner[HEIGHT][WIDTH], int posx0, int posy0, int posy1, char character){ for(int p = posy0; p < posy1; p++) { banner[p][posx0] = character; } } /* * Add a box (rectangle) to the buffer * * posx0, posy0: upper-left coordinates * posx1, posy1: lower-right coordinates * * borders: an 8-char string that specifies the characters used * to draw the box. These characters' order is cockwise * from the upper border (Ej. if borders is "-1|2-3|4" * the box will be: * * 4-------1 * | | * | | * 3-------2 * */ void addBox(char banner[HEIGHT][WIDTH], int posx0, int posy0, int posx1, int posy1, char* borders) { banner[posy0][posx0] = *(borders + 7); banner[posy0][posx1] = *(borders + 1); banner[posy1][posx0] = *(borders + 5); banner[posy1][posx1] = *(borders + 3); for(int p = posx0 + 1; p < posx1; p++) { banner[posy0][p] = *borders; banner[posy1][p] = *(borders + 4); } for (int i = posy0 + 1; i < posy1; i++) { banner[i][posx0] = *(borders + 2); banner[i][posx1] = *(borders + 6); } } /* * Adds the given string to the buffer in the position specified * by posx, posy */ void addWords(char banner[HEIGHT][WIDTH], char* str, int posx, int posy) { int x_offs = 0; switch (posx) { case CENTER: posx = (WIDTH - (strlen(str) * CHAR_WIDTH)) / 2 - 1; break; case LEFT: posx = 0; break; case RIGHT: posx = WIDTH - (strlen(str) * CHAR_WIDTH) - 2; break; } while(*str) { addChar(banner, *str, posx + x_offs, posy); str++; x_offs+=6; } } /* * Adds the given character to the buffer in the position * specified by posx, posy */ void addChar(char banner[HEIGHT][WIDTH], char character, int posx, int posy) { for(int i = 0; i < 8; i++) { for(int p = 0; p < 5; p++) { banner[i + posy][p + posx] = charmap[character - BASE_CHARMAP][i] & (1 << (4 - p)) ? CHAR_CHARACTERS : ' '; } } }

textCLICanvas