mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-29 14:13:08 +00:00
510 lines
16 KiB
C
510 lines
16 KiB
C
#include "../barcode_app.h"
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#include "barcode_view.h"
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#include "../encodings.h"
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/**
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* @brief Draws a single bit from a barcode at a specified location
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* @param canvas
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* @param bit a 1 or a 0 to signify a bit of data
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* @param x the top left x coordinate
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* @param y the top left y coordinate
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* @param width the width of the bit
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* @param height the height of the bit
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*/
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static void draw_bit(Canvas* canvas, int bit, int x, int y, int width, int height) {
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if(bit == 1) {
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canvas_set_color(canvas, ColorBlack);
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} else {
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canvas_set_color(canvas, ColorWhite);
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}
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canvas_draw_box(canvas, x, y, width, height);
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}
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/**
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*
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*/
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static void draw_error_str(Canvas* canvas, const char* error) {
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canvas_clear(canvas);
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canvas_draw_str_aligned(canvas, 62, 30, AlignCenter, AlignCenter, error);
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}
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/**
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* @param bits a string of 1's and 0's
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* @returns the x coordinate after the bits have been drawn, useful for drawing the next section of bits
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*/
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static int draw_bits(Canvas* canvas, const char* bits, int x, int y, int width, int height) {
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int bits_length = strlen(bits);
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for(int i = 0; i < bits_length; i++) {
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char c = bits[i];
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int num = c - '0';
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draw_bit(canvas, num, x, y, width, height);
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x += width;
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}
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return x;
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}
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/**
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* Draws an EAN-8 type barcode, does not check if the barcode is valid
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* @param canvas the canvas
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* @param barcode_digits the digits in the barcode, must be 8 characters long
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*/
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static void draw_ean_8(Canvas* canvas, BarcodeData* barcode_data) {
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FuriString* barcode_digits = barcode_data->correct_data;
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BarcodeTypeObj* type_obj = barcode_data->type_obj;
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int barcode_length = furi_string_size(barcode_digits);
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int x = type_obj->start_pos;
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int y = BARCODE_Y_START;
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int width = 1;
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int height = BARCODE_HEIGHT;
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//the guard patterns for the beginning, center, ending
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const char* end_bits = "101";
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const char* center_bits = "01010";
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//draw the starting guard pattern
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x = draw_bits(canvas, end_bits, x, y, width, height + 5);
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FuriString* code_part = furi_string_alloc();
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//loop through each digit, find the encoding, and draw it
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for(int i = 0; i < barcode_length; i++) {
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char current_digit = furi_string_get_char(barcode_digits, i);
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//the actual number and the index of the bits
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int index = current_digit - '0';
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//use the L-codes for the first 4 digits and the R-Codes for the last 4 digits
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if(i <= 3) {
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furi_string_set_str(code_part, UPC_EAN_L_CODES[index]);
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} else {
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furi_string_set_str(code_part, UPC_EAN_R_CODES[index]);
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}
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//convert the current_digit char into a string so it can be printed
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char current_digit_string[2];
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snprintf(current_digit_string, 2, "%c", current_digit);
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//set the canvas color to black to print the digit
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canvas_set_color(canvas, ColorBlack);
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canvas_draw_str(canvas, x + 1, y + height + 8, current_digit_string);
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//draw the bits of the barcode
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x = draw_bits(canvas, furi_string_get_cstr(code_part), x, y, width, height);
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//if the index has reached 3, that means 4 digits have been drawn and now draw the center guard pattern
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if(i == 3) {
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x = draw_bits(canvas, center_bits, x, y, width, height + 5);
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}
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}
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furi_string_free(code_part);
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//draw the ending guard pattern
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x = draw_bits(canvas, end_bits, x, y, width, height + 5);
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}
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static void draw_ean_13(Canvas* canvas, BarcodeData* barcode_data) {
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FuriString* barcode_digits = barcode_data->correct_data;
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BarcodeTypeObj* type_obj = barcode_data->type_obj;
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int barcode_length = furi_string_size(barcode_digits);
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int x = type_obj->start_pos;
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int y = BARCODE_Y_START;
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int width = 1;
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int height = BARCODE_HEIGHT;
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//the guard patterns for the beginning, center, ending
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const char* end_bits = "101";
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const char* center_bits = "01010";
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//draw the starting guard pattern
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x = draw_bits(canvas, end_bits, x, y, width, height + 5);
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FuriString* left_structure = furi_string_alloc();
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FuriString* code_part = furi_string_alloc();
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//loop through each digit, find the encoding, and draw it
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for(int i = 0; i < barcode_length; i++) {
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char current_digit = furi_string_get_char(barcode_digits, i);
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int index = current_digit - '0';
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if(i == 0) {
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furi_string_set_str(left_structure, EAN_13_STRUCTURE_CODES[index]);
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//convert the current_digit char into a string so it can be printed
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char current_digit_string[2];
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snprintf(current_digit_string, 2, "%c", current_digit);
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//set the canvas color to black to print the digit
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canvas_set_color(canvas, ColorBlack);
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canvas_draw_str(canvas, x - 10, y + height + 8, current_digit_string);
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continue;
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} else {
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//use the L-codes for the first 6 digits and the R-Codes for the last 6 digits
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if(i <= 6) {
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//get the encoding type at the current barcode bit position
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char encoding_type = furi_string_get_char(left_structure, i - 1);
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if(encoding_type == 'L') {
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furi_string_set_str(code_part, UPC_EAN_L_CODES[index]);
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} else {
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furi_string_set_str(code_part, EAN_G_CODES[index]);
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}
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} else {
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furi_string_set_str(code_part, UPC_EAN_R_CODES[index]);
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}
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//convert the current_digit char into a string so it can be printed
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char current_digit_string[2];
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snprintf(current_digit_string, 2, "%c", current_digit);
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//set the canvas color to black to print the digit
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canvas_set_color(canvas, ColorBlack);
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canvas_draw_str(canvas, x + 1, y + height + 8, current_digit_string);
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//draw the bits of the barcode
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x = draw_bits(canvas, furi_string_get_cstr(code_part), x, y, width, height);
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//if the index has reached 6, that means 6 digits have been drawn and we now draw the center guard pattern
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if(i == 6) {
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x = draw_bits(canvas, center_bits, x, y, width, height + 5);
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}
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}
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}
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furi_string_free(left_structure);
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furi_string_free(code_part);
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//draw the ending guard pattern
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x = draw_bits(canvas, end_bits, x, y, width, height + 5);
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}
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/**
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* Draw a UPC-A barcode
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*/
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static void draw_upc_a(Canvas* canvas, BarcodeData* barcode_data) {
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FuriString* barcode_digits = barcode_data->correct_data;
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BarcodeTypeObj* type_obj = barcode_data->type_obj;
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int barcode_length = furi_string_size(barcode_digits);
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int x = type_obj->start_pos;
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int y = BARCODE_Y_START;
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int width = 1;
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int height = BARCODE_HEIGHT;
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//the guard patterns for the beginning, center, ending
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char* end_bits = "101";
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char* center_bits = "01010";
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//draw the starting guard pattern
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x = draw_bits(canvas, end_bits, x, y, width, height + 5);
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FuriString* code_part = furi_string_alloc();
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//loop through each digit, find the encoding, and draw it
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for(int i = 0; i < barcode_length; i++) {
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char current_digit = furi_string_get_char(barcode_digits, i);
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int index = current_digit - '0'; //convert the number into an int (also the index)
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//use the L-codes for the first 6 digits and the R-Codes for the last 6 digits
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if(i <= 5) {
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furi_string_set_str(code_part, UPC_EAN_L_CODES[index]);
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} else {
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furi_string_set_str(code_part, UPC_EAN_R_CODES[index]);
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}
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//convert the current_digit char into a string so it can be printed
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char current_digit_string[2];
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snprintf(current_digit_string, 2, "%c", current_digit);
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//set the canvas color to black to print the digit
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canvas_set_color(canvas, ColorBlack);
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canvas_draw_str(canvas, x + 1, y + height + 8, current_digit_string);
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//draw the bits of the barcode
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x = draw_bits(canvas, furi_string_get_cstr(code_part), x, y, width, height);
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//if the index has reached 6, that means 6 digits have been drawn and we now draw the center guard pattern
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if(i == 5) {
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x = draw_bits(canvas, center_bits, x, y, width, height + 5);
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}
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}
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furi_string_free(code_part);
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//draw the ending guard pattern
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x = draw_bits(canvas, end_bits, x, y, width, height + 5);
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}
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static void draw_code_39(Canvas* canvas, BarcodeData* barcode_data) {
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FuriString* raw_data = barcode_data->raw_data;
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FuriString* barcode_digits = barcode_data->correct_data;
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//BarcodeTypeObj* type_obj = barcode_data->type_obj;
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int barcode_length = furi_string_size(barcode_digits);
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int total_pixels = 0;
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for(int i = 0; i < barcode_length; i++) {
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//1 for wide, 0 for narrow
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char wide_or_narrow = furi_string_get_char(barcode_digits, i);
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int wn_digit = wide_or_narrow - '0'; //wide(1) or narrow(0) digit
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if(wn_digit == 1) {
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total_pixels += 3;
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} else {
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total_pixels += 1;
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}
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if((i + 1) % 9 == 0) {
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total_pixels += 1;
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}
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}
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int x = (128 - total_pixels) / 2;
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int y = BARCODE_Y_START;
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int width = 1;
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int height = BARCODE_HEIGHT;
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bool filled_in = true;
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//set the canvas color to black to print the digit
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canvas_set_color(canvas, ColorBlack);
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// canvas_draw_str_aligned(canvas, 62, 30, AlignCenter, AlignCenter, error);
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canvas_draw_str_aligned(
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canvas, 62, y + height + 8, AlignCenter, AlignBottom, furi_string_get_cstr(raw_data));
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for(int i = 0; i < barcode_length; i++) {
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//1 for wide, 0 for narrow
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char wide_or_narrow = furi_string_get_char(barcode_digits, i);
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int wn_digit = wide_or_narrow - '0'; //wide(1) or narrow(0) digit
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if(filled_in) {
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if(wn_digit == 1) {
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x = draw_bits(canvas, "111", x, y, width, height);
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} else {
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x = draw_bits(canvas, "1", x, y, width, height);
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}
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filled_in = false;
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} else {
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if(wn_digit == 1) {
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x = draw_bits(canvas, "000", x, y, width, height);
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} else {
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x = draw_bits(canvas, "0", x, y, width, height);
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}
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filled_in = true;
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}
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if((i + 1) % 9 == 0) {
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x = draw_bits(canvas, "0", x, y, width, height);
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filled_in = true;
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}
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}
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}
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static void draw_code_128(Canvas* canvas, BarcodeData* barcode_data) {
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FuriString* raw_data = barcode_data->raw_data;
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FuriString* barcode_digits = barcode_data->correct_data;
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int barcode_length = furi_string_size(barcode_digits);
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int x = (128 - barcode_length) / 2;
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int y = BARCODE_Y_START;
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int width = 1;
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int height = BARCODE_HEIGHT;
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x = draw_bits(canvas, furi_string_get_cstr(barcode_digits), x, y, width, height);
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//set the canvas color to black to print the digit
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canvas_set_color(canvas, ColorBlack);
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// canvas_draw_str_aligned(canvas, 62, 30, AlignCenter, AlignCenter, error);
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canvas_draw_str_aligned(
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canvas, 62, y + height + 8, AlignCenter, AlignBottom, furi_string_get_cstr(raw_data));
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}
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static void draw_codabar(Canvas* canvas, BarcodeData* barcode_data) {
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FuriString* raw_data = barcode_data->raw_data;
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FuriString* barcode_digits = barcode_data->correct_data;
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//BarcodeTypeObj* type_obj = barcode_data->type_obj;
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int barcode_length = furi_string_size(barcode_digits);
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int total_pixels = 0;
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for(int i = 0; i < barcode_length; i++) {
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//1 for wide, 0 for narrow
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char wide_or_narrow = furi_string_get_char(barcode_digits, i);
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int wn_digit = wide_or_narrow - '0'; //wide(1) or narrow(0) digit
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if(wn_digit == 1) {
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total_pixels += 3;
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} else {
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total_pixels += 1;
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}
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if((i + 1) % 7 == 0) {
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total_pixels += 1;
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}
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}
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int x = (128 - total_pixels) / 2;
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int y = BARCODE_Y_START;
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int width = 1;
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int height = BARCODE_HEIGHT;
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bool filled_in = true;
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//set the canvas color to black to print the digit
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canvas_set_color(canvas, ColorBlack);
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// canvas_draw_str_aligned(canvas, 62, 30, AlignCenter, AlignCenter, error);
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canvas_draw_str_aligned(
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canvas, 62, y + height + 8, AlignCenter, AlignBottom, furi_string_get_cstr(raw_data));
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for(int i = 0; i < barcode_length; i++) {
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//1 for wide, 0 for narrow
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char wide_or_narrow = furi_string_get_char(barcode_digits, i);
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int wn_digit = wide_or_narrow - '0'; //wide(1) or narrow(0) digit
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if(filled_in) {
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if(wn_digit == 1) {
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x = draw_bits(canvas, "111", x, y, width, height);
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} else {
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x = draw_bits(canvas, "1", x, y, width, height);
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}
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filled_in = false;
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} else {
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if(wn_digit == 1) {
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x = draw_bits(canvas, "000", x, y, width, height);
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} else {
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x = draw_bits(canvas, "0", x, y, width, height);
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}
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filled_in = true;
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}
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if((i + 1) % 7 == 0) {
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x = draw_bits(canvas, "0", x, y, width, height);
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filled_in = true;
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}
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}
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}
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static void barcode_draw_callback(Canvas* canvas, void* ctx) {
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furi_assert(ctx);
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BarcodeModel* barcode_model = ctx;
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BarcodeData* data = barcode_model->data;
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// const char* barcode_digits =;
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canvas_clear(canvas);
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if(data->valid) {
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switch(data->type_obj->type) {
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case UPCA:
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draw_upc_a(canvas, data);
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break;
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case EAN8:
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draw_ean_8(canvas, data);
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break;
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case EAN13:
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draw_ean_13(canvas, data);
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break;
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case CODE39:
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draw_code_39(canvas, data);
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break;
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case CODE128:
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case CODE128C:
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draw_code_128(canvas, data);
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break;
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case CODABAR:
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draw_codabar(canvas, data);
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break;
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case UNKNOWN:
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default:
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break;
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}
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} else {
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switch(data->reason) {
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case WrongNumberOfDigits:
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draw_error_str(canvas, "Wrong # of characters");
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break;
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case InvalidCharacters:
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draw_error_str(canvas, "Invalid characters");
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break;
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case UnsupportedType:
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draw_error_str(canvas, "Unsupported barcode type");
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break;
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case FileOpening:
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draw_error_str(canvas, "Could not open file");
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break;
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case InvalidFileData:
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draw_error_str(canvas, "Invalid file data");
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break;
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case MissingEncodingTable:
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draw_error_str(canvas, "Missing encoding table");
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break;
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case EncodingTableError:
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draw_error_str(canvas, "Encoding table error");
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break;
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default:
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draw_error_str(canvas, "Could not read barcode data");
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break;
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}
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}
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}
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bool barcode_input_callback(InputEvent* input_event, void* ctx) {
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UNUSED(ctx);
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//furi_assert(ctx);
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//Barcode* test_view_object = ctx;
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if(input_event->key == InputKeyBack) {
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return false;
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} else {
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return true;
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}
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}
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Barcode* barcode_view_allocate(BarcodeApp* barcode_app) {
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furi_assert(barcode_app);
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Barcode* barcode = malloc(sizeof(Barcode));
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barcode->view = view_alloc();
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barcode->barcode_app = barcode_app;
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view_set_context(barcode->view, barcode);
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view_allocate_model(barcode->view, ViewModelTypeLocking, sizeof(BarcodeModel));
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view_set_draw_callback(barcode->view, barcode_draw_callback);
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view_set_input_callback(barcode->view, barcode_input_callback);
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return barcode;
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}
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void barcode_free_model(Barcode* barcode) {
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with_view_model(
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barcode->view,
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BarcodeModel * model,
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{
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if(model->file_path != NULL) {
|
|
furi_string_free(model->file_path);
|
|
}
|
|
if(model->data != NULL) {
|
|
if(model->data->raw_data != NULL) {
|
|
furi_string_free(model->data->raw_data);
|
|
}
|
|
if(model->data->correct_data != NULL) {
|
|
furi_string_free(model->data->correct_data);
|
|
}
|
|
free(model->data);
|
|
}
|
|
},
|
|
false);
|
|
}
|
|
|
|
void barcode_free(Barcode* barcode) {
|
|
furi_assert(barcode);
|
|
|
|
barcode_free_model(barcode);
|
|
view_free(barcode->view);
|
|
free(barcode);
|
|
}
|
|
|
|
View* barcode_get_view(Barcode* barcode) {
|
|
furi_assert(barcode);
|
|
return barcode->view;
|
|
}
|