Adding upstream version 1.8.0+20250123.

Signed-off-by: Daniel Baumann <daniel@debian.org>

rust-no-heap/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "qrcodegen-no-heap"
+version = "1.8.1"
+authors = ["Project Nayuki"]
+description = "High-quality QR Code generator library"
+homepage = "https://www.nayuki.io/page/qr-code-generator-library"
+repository = "https://github.com/nayuki/QR-Code-generator"
+readme = "Readme.markdown"
+keywords = ["qr-code", "barcode", "encoder", "image"]
+categories = ["encoding", "multimedia::images"]
+license = "MIT"
+exclude = ["examples/*"]

rust-no-heap/Readme.markdown

@@ -0,0 +1,71 @@
+QR Code generator library - Rust, no heap
+=========================================
+
+
+Introduction
+------------
+
+This project aims to be the best, clearest QR Code generator library. The primary goals are flexible options and absolute correctness. Secondary goals are compact implementation size and good documentation comments.
+
+Home page with live JavaScript demo, extensive descriptions, and competitor comparisons: https://www.nayuki.io/page/qr-code-generator-library
+
+
+Features
+--------
+
+Core features:
+
+* Significantly shorter code but more documentation comments compared to competing libraries
+* Supports encoding all 40 versions (sizes) and all 4 error correction levels, as per the QR Code Model 2 standard
+* Output format: Raw modules/pixels of the QR symbol
+* Detects finder-like penalty patterns more accurately than other implementations
+* Encodes numeric and special-alphanumeric text in less space than general text
+* Completely avoids heap allocation (e.g. `std::vec::Vec`), instead relying on suitably sized buffers from the caller and fixed-size stack allocations
+* Open-source code under the permissive MIT License
+
+Manual parameters:
+
+* User can specify minimum and maximum version numbers allowed, then library will automatically choose smallest version in the range that fits the data
+* User can specify mask pattern manually, otherwise library will automatically evaluate all 8 masks and select the optimal one
+* User can specify absolute error correction level, or allow the library to boost it if it doesn't increase the version number
+* User can create a list of data segments manually and add ECI segments
+
+More information about QR Code technology and this library's design can be found on the project home page.
+
+
+Examples
+--------
+
+```rust
+extern crate qrcodegen_no_heap;
+use qrcodegen_no_heap::Mask;
+use qrcodegen_no_heap::QrCode;
+use qrcodegen_no_heap::QrCodeEcc;
+use qrcodegen_no_heap::Version;
+
+// Text data
+let mut outbuffer  = vec![0u8; Version::MAX.buffer_len()];
+let mut tempbuffer = vec![0u8; Version::MAX.buffer_len()];
+let qr = QrCode::encode_text("Hello, world!",
+    &mut tempbuffer, &mut outbuffer, QrCodeEcc::Medium,
+    Version::MIN, Version::MAX, None, true).unwrap();
+let svg = to_svg_string(&qr, 4);  // See qrcodegen-demo
+
+// Binary data
+let mut outbuffer   = vec![0u8; Version::MAX.buffer_len()];
+let mut dataandtemp = vec![0u8; Version::MAX.buffer_len()];
+dataandtemp[0] = 0xE3;
+dataandtemp[1] = 0x81;
+dataandtemp[2] = 0x82;
+let qr = QrCode::encode_binary(&mut dataandtemp, 3,
+    &mut outbuffer, QrCodeEcc::High,
+    Version::new(2), Version::new(7),
+    Some(Mask::new(4)), false).unwrap();
+for y in 0 .. qr.size() {
+    for x in 0 .. qr.size() {
+        (... paint qr.get_module(x, y) ...)
+    }
+}
+```
+
+More complete set of examples: https://github.com/nayuki/QR-Code-generator/blob/master/rust-no-heap/examples/qrcodegen-demo.rs .

rust-no-heap/examples/qrcodegen-demo.rs

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+/* 
+ * QR Code generator demo (Rust, no heap)
+ * 
+ * Run this command-line program with no arguments. The program computes a bunch of demonstration
+ * QR Codes and prints them to the console. Also, the SVG code for one QR Code is printed as a sample.
+ * 
+ * Copyright (c) Project Nayuki. (MIT License)
+ * https://www.nayuki.io/page/qr-code-generator-library
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ * - The above copyright notice and this permission notice shall be included in
+ *   all copies or substantial portions of the Software.
+ * - The Software is provided "as is", without warranty of any kind, express or
+ *   implied, including but not limited to the warranties of merchantability,
+ *   fitness for a particular purpose and noninfringement. In no event shall the
+ *   authors or copyright holders be liable for any claim, damages or other
+ *   liability, whether in an action of contract, tort or otherwise, arising from,
+ *   out of or in connection with the Software or the use or other dealings in the
+ *   Software.
+ */
+
+extern crate qrcodegen_no_heap;
+use qrcodegen_no_heap::Mask;
+use qrcodegen_no_heap::QrCode;
+use qrcodegen_no_heap::QrCodeEcc;
+use qrcodegen_no_heap::QrSegment;
+use qrcodegen_no_heap::QrSegmentMode;
+use qrcodegen_no_heap::Version;
+
+
+// The main application program.
+fn main() {
+	do_basic_demo();
+	do_variety_demo();
+	do_segment_demo();
+	do_mask_demo();
+}
+
+
+
+/*---- Demo suite ----*/
+
+// Creates a single QR Code, then prints it to the console.
+fn do_basic_demo() {
+	let text: &'static str = "Hello, world!";   // User-supplied Unicode text
+	let errcorlvl: QrCodeEcc = QrCodeEcc::Low;  // Error correction level
+	
+	// Make and print the QR Code symbol
+	let mut outbuffer  = vec![0u8; Version::MAX.buffer_len()];
+	let mut tempbuffer = vec![0u8; Version::MAX.buffer_len()];
+	let qr: QrCode = QrCode::encode_text(text, &mut tempbuffer, &mut outbuffer,
+		errcorlvl, Version::MIN, Version::MAX, None, true).unwrap();
+	// Note: qr has a reference to outbuffer, so outbuffer needs to outlive qr
+	std::mem::drop(tempbuffer);  // Optional, because tempbuffer is only needed during encode_text()
+	print_qr(&qr);
+	println!("{}", to_svg_string(&qr, 4));
+}
+
+
+// Creates a variety of QR Codes that exercise different features of the library, and prints each one to the console.
+fn do_variety_demo() {
+	{  // Numeric mode encoding (3.33 bits per digit)
+		let mut outbuffer  = vec![0u8; Version::MAX.buffer_len()];
+		let mut tempbuffer = vec![0u8; Version::MAX.buffer_len()];
+		let qr = QrCode::encode_text("314159265358979323846264338327950288419716939937510",
+			&mut tempbuffer, &mut outbuffer, QrCodeEcc::Medium, Version::MIN, Version::MAX, None, true).unwrap();
+		print_qr(&qr);
+	}
+	
+	{  // Alphanumeric mode encoding (5.5 bits per character)
+		let mut outbuffer  = vec![0u8; Version::MAX.buffer_len()];
+		let mut tempbuffer = vec![0u8; Version::MAX.buffer_len()];
+		let qr = QrCode::encode_text("DOLLAR-AMOUNT:$39.87 PERCENTAGE:100.00% OPERATIONS:+-*/",
+			&mut tempbuffer, &mut outbuffer, QrCodeEcc::High, Version::MIN, Version::MAX, None, true).unwrap();
+		print_qr(&qr);
+	}
+	
+	{  // Unicode text as UTF-8
+		let mut outbuffer  = vec![0u8; Version::MAX.buffer_len()];
+		let mut tempbuffer = vec![0u8; Version::MAX.buffer_len()];
+		let qr = QrCode::encode_text("こんにちwa、世界！ αβγδ",
+			&mut tempbuffer, &mut outbuffer, QrCodeEcc::Quartile, Version::MIN, Version::MAX, None, true).unwrap();
+		print_qr(&qr);
+	}
+	
+	{  // Moderately large QR Code using longer text (from Lewis Carroll's Alice in Wonderland)
+		let text = concat!(
+			"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.");
+		let mut outbuffer  = vec![0u8; Version::MAX.buffer_len()];
+		let mut tempbuffer = vec![0u8; Version::MAX.buffer_len()];
+		let qr = QrCode::encode_text(text, &mut tempbuffer, &mut outbuffer,
+			QrCodeEcc::High, Version::MIN, Version::MAX, None, true).unwrap();
+		print_qr(&qr);
+	}
+}
+
+
+// Creates QR Codes with manually specified segments for better compactness.
+fn do_segment_demo() {
+	{  // Illustration "silver"
+		let silver0 = "THE SQUARE ROOT OF 2 IS 1.";
+		let silver1 = "41421356237309504880168872420969807856967187537694807317667973799";
+		let mut outbuffer  = vec![0u8; Version::MAX.buffer_len()];
+		let mut tempbuffer = vec![0u8; Version::MAX.buffer_len()];
+		let qr = QrCode::encode_text(&[silver0, silver1].concat(), &mut tempbuffer, &mut outbuffer,
+			QrCodeEcc::Low, Version::MIN, Version::MAX, None, true).unwrap();
+		print_qr(&qr);
+		
+		let (tempbuf0, tempbuf1) = tempbuffer.split_at_mut(QrSegment::calc_buffer_size(QrSegmentMode::Alphanumeric, silver0.len()).unwrap());
+		let segs = [
+			QrSegment::make_alphanumeric(silver0, tempbuf0),
+			QrSegment::make_numeric(silver1, tempbuf1),
+		];
+		let (datacodewordslen, ecl, version) = QrCode::encode_segments_to_codewords(
+			&segs, &mut outbuffer, QrCodeEcc::Low, Version::MIN, Version::MAX, true).unwrap();
+		std::mem::drop(segs);  // Implied, because segs has references to tempbuffer, but tempbuffer will be reused in encode_codewords()
+		let qr = QrCode::encode_codewords(&mut outbuffer, datacodewordslen, &mut tempbuffer, ecl, version, None);
+		print_qr(&qr);
+	}
+	
+	{  // Illustration "golden"
+		let golden0 = "Golden ratio φ = 1.";
+		let golden1 = "6180339887498948482045868343656381177203091798057628621354486227052604628189024497072072041893911374";
+		let golden2 = "......";
+		let mut outbuffer  = vec![0u8; Version::MAX.buffer_len()];
+		let mut tempbuffer = vec![0u8; Version::MAX.buffer_len()];
+		let qr = QrCode::encode_text(&[golden0, golden1, golden2].concat(), &mut tempbuffer, &mut outbuffer,
+			QrCodeEcc::Low, Version::MIN, Version::MAX, None, true).unwrap();
+		print_qr(&qr);
+		
+		let (tempbuf1, tempbuf2) = tempbuffer.split_at_mut(QrSegment::calc_buffer_size(QrSegmentMode::Numeric, golden1.len()).unwrap());
+		let segs = [
+			QrSegment::make_bytes(golden0.as_bytes()),
+			QrSegment::make_numeric(golden1, tempbuf1),
+			QrSegment::make_alphanumeric(golden2, tempbuf2),
+		];
+		let (datacodewordslen, ecl, version) = QrCode::encode_segments_to_codewords(
+			&segs, &mut outbuffer, QrCodeEcc::Low, Version::MIN, Version::MAX, true).unwrap();
+		let qr = QrCode::encode_codewords(&mut outbuffer, datacodewordslen, &mut tempbuffer, ecl, version, None);
+		print_qr(&qr);
+	}
+	
+	{  // Illustration "Madoka": kanji, kana, Cyrillic, full-width Latin, Greek characters
+		let madoka = "「魔法少女まどか☆マギカ」って、　ИАИ　ｄｅｓｕ　κα？";
+		let mut outbuffer  = vec![0u8; Version::MAX.buffer_len()];
+		let mut tempbuffer = vec![0u8; Version::MAX.buffer_len()];
+		let qr = QrCode::encode_text(madoka, &mut outbuffer, &mut tempbuffer,
+			QrCodeEcc::Low, Version::MIN, Version::MAX, None, true).unwrap();
+		print_qr(&qr);
+		
+		let kanjichars: Vec<u32> = vec![  // Kanji mode encoding (13 bits per character)
+			0x0035, 0x1002, 0x0FC0, 0x0AED, 0x0AD7,
+			0x015C, 0x0147, 0x0129, 0x0059, 0x01BD,
+			0x018D, 0x018A, 0x0036, 0x0141, 0x0144,
+			0x0001, 0x0000, 0x0249, 0x0240, 0x0249,
+			0x0000, 0x0104, 0x0105, 0x0113, 0x0115,
+			0x0000, 0x0208, 0x01FF, 0x0008,
+		];
+		let mut bb = qrcodegen_no_heap::BitBuffer::new(&mut tempbuffer);
+		for &c in &kanjichars {
+			bb.append_bits(c, 13);
+		}
+		let segs = [
+			{
+				let bitlen = bb.len();
+				QrSegment::new(qrcodegen_no_heap::QrSegmentMode::Kanji, kanjichars.len(), &tempbuffer, bitlen)
+			},
+		];
+		let (datacodewordslen, ecl, version) = QrCode::encode_segments_to_codewords(
+			&segs, &mut outbuffer, QrCodeEcc::Low, Version::MIN, Version::MAX, true).unwrap();
+		let qr = QrCode::encode_codewords(&mut outbuffer, datacodewordslen, &mut tempbuffer, ecl, version, None);
+		print_qr(&qr);
+	}
+}
+
+
+// Creates QR Codes with the same size and contents but different mask patterns.
+fn do_mask_demo() {
+	{  // Project Nayuki URL
+		let text = "https://www.nayuki.io/";
+		let mut outbuffer  = vec![0u8; Version::MAX.buffer_len()];
+		let mut tempbuffer = vec![0u8; Version::MAX.buffer_len()];
+		
+		let qr = QrCode::encode_text(text, &mut tempbuffer, &mut outbuffer, QrCodeEcc::High,
+			Version::MIN, Version::MAX, None, true).unwrap();  // Automatic mask
+		print_qr(&qr);
+		let qr = QrCode::encode_text(text, &mut tempbuffer, &mut outbuffer, QrCodeEcc::High,
+			Version::MIN, Version::MAX, Some(Mask::new(3)), true).unwrap();  // Force mask 3
+		print_qr(&qr);
+	}
+	
+	{  // Chinese text as UTF-8
+		let text = "維基百科（Wikipedia，聆聽i/ˌwɪkᵻˈpiːdi.ə/）是一個自由內容、公開編輯且多語言的網路百科全書協作計畫";
+		let mut outbuffer  = vec![0u8; Version::MAX.buffer_len()];
+		let mut tempbuffer = vec![0u8; Version::MAX.buffer_len()];
+		
+		let qr = QrCode::encode_text(text, &mut tempbuffer, &mut outbuffer, QrCodeEcc::Medium,
+			Version::MIN, Version::MAX, Some(Mask::new(0)), true).unwrap();  // Force mask 0
+		print_qr(&qr);
+		let qr = QrCode::encode_text(text, &mut tempbuffer, &mut outbuffer, QrCodeEcc::Medium,
+			Version::MIN, Version::MAX, Some(Mask::new(1)), true).unwrap();  // Force mask 1
+		print_qr(&qr);
+		let qr = QrCode::encode_text(text, &mut tempbuffer, &mut outbuffer, QrCodeEcc::Medium,
+			Version::MIN, Version::MAX, Some(Mask::new(5)), true).unwrap();  // Force mask 5
+		print_qr(&qr);
+		let qr = QrCode::encode_text(text, &mut tempbuffer, &mut outbuffer, QrCodeEcc::Medium,
+			Version::MIN, Version::MAX, Some(Mask::new(7)), true).unwrap();  // Force mask 7
+		print_qr(&qr);
+	}
+}
+
+
+
+/*---- Utilities ----*/
+
+// Returns a string of SVG code for an image depicting
+// the given QR Code, with the given number of border modules.
+// The string always uses Unix newlines (\n), regardless of the platform.
+fn to_svg_string(qr: &QrCode, border: i32) -> String {
+	assert!(border >= 0, "Border must be non-negative");
+	let mut result = String::new();
+	result += "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
+	result += "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n";
+	let dimension = qr.size().checked_add(border.checked_mul(2).unwrap()).unwrap();
+	result += &format!(
+		"<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" viewBox=\"0 0 {0} {0}\" stroke=\"none\">\n", dimension);
+	result += "\t<rect width=\"100%\" height=\"100%\" fill=\"#FFFFFF\"/>\n";
+	result += "\t<path d=\"";
+	for y in 0 .. qr.size() {
+		for x in 0 .. qr.size() {
+			if qr.get_module(x, y) {
+				if x != 0 || y != 0 {
+					result += " ";
+				}
+				result += &format!("M{},{}h1v1h-1z", x + border, y + border);
+			}
+		}
+	}
+	result += "\" fill=\"#000000\"/>\n";
+	result += "</svg>\n";
+	result
+}
+
+
+// Prints the given QrCode object to the console.
+fn print_qr(qr: &QrCode) {
+	let border: i32 = 4;
+	for y in -border .. qr.size() + border {
+		for x in -border .. qr.size() + border {
+			let c: char = if qr.get_module(x, y) { '█' } else { ' ' };
+			print!("{0}{0}", c);
+		}
+		println!();
+	}
+	println!();
+}