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QR-Code-generator
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Added doVarietyDemo() to C demo program code.

This commit is contained in:
Project Nayuki 2017-04-20 17:58:05 +00:00
parent aa50d1906d
commit 18b7180580
1 changed files with 82 additions and 0 deletions
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82
c/qrcodegen-demo.c
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@ -32,6 +32,7 @@
// Function prototypes
static void doBasicDemo(void);
static void doVarietyDemo(void);
static void printQr(const uint8_t qrcode[], int version);
@ -39,6 +40,7 @@ static void printQr(const uint8_t qrcode[], int version);
// The main application program.
int main(void) {
doBasicDemo();
doVarietyDemo();
return EXIT_SUCCESS;
}
@ -58,6 +60,86 @@ static void doBasicDemo() {
}
// Creates a variety of QR Codes that exercise different features of the library, and prints each one to the console.
static void doVarietyDemo() {
// Project Nayuki URL
{
uint8_t qrcode[qrcodegen_BUFFER_LEN_MAX];
uint8_t tempBuffer[qrcodegen_BUFFER_LEN_MAX];
int version = qrcodegen_encodeText("https://www.nayuki.io/", tempBuffer, qrcode,
qrcodegen_Ecc_HIGH, qrcodegen_VERSION_MIN, qrcodegen_VERSION_MAX, qrcodegen_Mask_3, true);
if (version != 0)
printQr(qrcode, version);
}
// Numeric mode encoding (3.33 bits per digit)
{
uint8_t qrcode[qrcodegen_BUFFER_LEN_MAX];
uint8_t tempBuffer[qrcodegen_BUFFER_LEN_MAX];
int version = qrcodegen_encodeText("314159265358979323846264338327950288419716939937510", tempBuffer, qrcode,
qrcodegen_Ecc_MEDIUM, qrcodegen_VERSION_MIN, qrcodegen_VERSION_MAX, qrcodegen_Mask_AUTO, true);
if (version != 0)
printQr(qrcode, version);
}
// Alphanumeric mode encoding (5.5 bits per character)
{
uint8_t qrcode[qrcodegen_BUFFER_LEN_MAX];
uint8_t tempBuffer[qrcodegen_BUFFER_LEN_MAX];
int version = qrcodegen_encodeText("DOLLAR-AMOUNT:$39.87 PERCENTAGE:100.00% OPERATIONS:+-*/", tempBuffer, qrcode,
qrcodegen_Ecc_HIGH, qrcodegen_VERSION_MIN, qrcodegen_VERSION_MAX, qrcodegen_Mask_AUTO, true);
if (version != 0)
printQr(qrcode, version);
}
// Unicode text as UTF-8, and different masks
{
const char *text = "\xE3\x81\x93\xE3\x82\x93\xE3\x81\xAB\xE3\x81\xA1wa\xE3\x80\x81\xE4\xB8\x96\xE7\x95\x8C\xEF\xBC\x81\x20\xCE\xB1\xCE\xB2\xCE\xB3\xCE\xB4";
uint8_t qrcode[qrcodegen_BUFFER_LEN_MAX];
uint8_t tempBuffer[qrcodegen_BUFFER_LEN_MAX];
int version;
version = qrcodegen_encodeText(text, tempBuffer, qrcode,
qrcodegen_Ecc_QUARTILE, qrcodegen_VERSION_MIN, qrcodegen_VERSION_MAX, qrcodegen_Mask_0, true);
if (version != 0)
printQr(qrcode, version);
version = qrcodegen_encodeText(text, tempBuffer, qrcode,
qrcodegen_Ecc_QUARTILE, qrcodegen_VERSION_MIN, qrcodegen_VERSION_MAX, qrcodegen_Mask_1, true);
if (version != 0)
printQr(qrcode, version);
version = qrcodegen_encodeText(text, tempBuffer, qrcode,
qrcodegen_Ecc_QUARTILE, qrcodegen_VERSION_MIN, qrcodegen_VERSION_MAX, qrcodegen_Mask_5, true);
if (version != 0)
printQr(qrcode, version);
version = qrcodegen_encodeText(text, tempBuffer, qrcode,
qrcodegen_Ecc_QUARTILE, qrcodegen_VERSION_MIN, qrcodegen_VERSION_MAX, qrcodegen_Mask_7, true);
if (version != 0)
printQr(qrcode, version);
}
// Moderately large QR Code using longer text (from Lewis Carroll's Alice in Wonderland)
{
const char *text =
"Alice was beginning to get very tired of sitting by her sister on the bank, "
"and of having nothing to do: once or twice she had peeped into the book her sister was reading, "
"but it had no pictures or conversations in it, 'and what is the use of a book,' thought Alice "
"'without pictures or conversations?' So she was considering in her own mind (as well as she could, "
"for the hot day made her feel very sleepy and stupid), whether the pleasure of making a "
"daisy-chain would be worth the trouble of getting up and picking the daisies, when suddenly "
"a White Rabbit with pink eyes ran close by her.";
uint8_t qrcode[qrcodegen_BUFFER_LEN_MAX];
uint8_t tempBuffer[qrcodegen_BUFFER_LEN_MAX];
int version = qrcodegen_encodeText(text, tempBuffer, qrcode,
qrcodegen_Ecc_HIGH, qrcodegen_VERSION_MIN, qrcodegen_VERSION_MAX, qrcodegen_Mask_AUTO, true);
if (version != 0)
printQr(qrcode, version);
}
}
// Prints the given QR Code to the console.
static void printQr(const uint8_t qrcode[], int version) {
int size = qrcodegen_getSize(version);