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@ -90,7 +90,7 @@ impl QrCode {
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}
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}
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// Returns a QR Code representing the given binary data string at the given error correction level.
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// Returns a QR Code representing the given binary data at the given error correction level.
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// This function always encodes using the binary segment mode, not any text mode. The maximum number of
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// This function always encodes using the binary segment mode, not any text mode. The maximum number of
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// bytes allowed is 2953. The smallest possible QR Code version is automatically chosen for the output.
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// bytes allowed is 2953. The smallest possible QR Code version is automatically chosen for the output.
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// The ECC level of the result may be higher than the ecl argument if it can be done without increasing the version.
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// The ECC level of the result may be higher than the ecl argument if it can be done without increasing the version.
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@ -107,8 +107,8 @@ impl QrCode {
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// The smallest possible QR Code version is automatically chosen for the output. The ECC level
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// The smallest possible QR Code version is automatically chosen for the output. The ECC level
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// of the result may be higher than the ecl argument if it can be done without increasing the version.
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// of the result may be higher than the ecl argument if it can be done without increasing the version.
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// This function allows the user to create a custom sequence of segments that switches
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// This function allows the user to create a custom sequence of segments that switches
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// between modes (such as alphanumeric and binary) to encode text more efficiently.
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// between modes (such as alphanumeric and byte) to encode text in less space.
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// This function is considered to be lower level than simply encoding text or binary data.
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// This is a mid-level API; the high-level API is encode_text() and encode_binary().
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// Returns a wrapped QrCode if successful, or None if the data is too long to fit in any version at the given ECC level.
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// Returns a wrapped QrCode if successful, or None if the data is too long to fit in any version at the given ECC level.
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pub fn encode_segments(segs: &[QrSegment], ecl: QrCodeEcc) -> Option<Self> {
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pub fn encode_segments(segs: &[QrSegment], ecl: QrCodeEcc) -> Option<Self> {
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QrCode::encode_segments_advanced(segs, ecl, QrCode_MIN_VERSION, QrCode_MAX_VERSION, None, true)
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QrCode::encode_segments_advanced(segs, ecl, QrCode_MIN_VERSION, QrCode_MAX_VERSION, None, true)
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@ -116,10 +116,14 @@ impl QrCode {
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// Returns a QR Code representing the given segments with the given encoding parameters.
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// Returns a QR Code representing the given segments with the given encoding parameters.
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// The smallest possible QR Code version within the given range is automatically chosen for the output.
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// The smallest possible QR Code version within the given range is automatically
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// chosen for the output. Iff boostecl is true, then the ECC level of the result
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// may be higher than the ecl argument if it can be done without increasing the
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// version. The mask number is either between 0 to 7 (inclusive) to force that
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// mask, or -1 to automatically choose an appropriate mask (which may be slow).
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// This function allows the user to create a custom sequence of segments that switches
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// This function allows the user to create a custom sequence of segments that switches
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// between modes (such as alphanumeric and binary) to encode text more efficiently.
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// between modes (such as alphanumeric and byte) to encode text in less space.
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// This function is considered to be lower level than simply encoding text or binary data.
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// This is a mid-level API; the high-level API is encodeText() and encodeBinary().
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// Returns a wrapped QrCode if successful, or None if the data is too long to fit
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// Returns a wrapped QrCode if successful, or None if the data is too long to fit
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// in any version in the given range at the given ECC level.
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// in any version in the given range at the given ECC level.
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pub fn encode_segments_advanced(segs: &[QrSegment], mut ecl: QrCodeEcc,
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pub fn encode_segments_advanced(segs: &[QrSegment], mut ecl: QrCodeEcc,
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@ -189,9 +193,10 @@ impl QrCode {
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/*---- Constructor (low level) ----*/
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/*---- Constructor (low level) ----*/
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// Creates a new QR Code with the given version number, error correction level,
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// Creates a new QR Code with the given version number,
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// binary data array, and mask number. This is a cumbersome low-level constructor that
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// error correction level, data codeword bytes, and mask number.
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// should not be invoked directly by the user. To go one level up, see the encode_segments() function.
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// This is a low-level API that most users should not use directly.
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// A mid-level API is the encode_segments() function.
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pub fn encode_codewords(ver: Version, ecl: QrCodeEcc, datacodewords: &[u8], mask: Option<Mask>) -> Self {
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pub fn encode_codewords(ver: Version, ecl: QrCodeEcc, datacodewords: &[u8], mask: Option<Mask>) -> Self {
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// Initialize fields
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// Initialize fields
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let size: usize = (ver.value() as usize) * 4 + 17;
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let size: usize = (ver.value() as usize) * 4 + 17;
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Project Nayuki
7 years ago