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QrCodeUtil新增SVG格式、Ascii Art字符画格式

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Looly
2022-08-26 16:56:02 +08:00
parent 0d96bec4cb
commit 2b9da605a7
3 changed files with 54 additions and 48 deletions
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26
hutool-extra/src/main/java/cn/hutool/extra/qrcode/QrCodeUtil.java
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@@ -130,7 +130,7 @@ public class QrCodeUtil {
* @since 5.8.6
*/
public static String generateAsSvg(String content, QrConfig qrConfig) {
BitMatrix bitMatrix = encode(content, qrConfig);
final BitMatrix bitMatrix = encode(content, qrConfig);
return toSVG(bitMatrix, qrConfig);
}
@@ -154,7 +154,7 @@ public class QrCodeUtil {
* @since 5.8.6
*/
public static String generateAsAsciiArt(String content, QrConfig qrConfig) {
BitMatrix bitMatrix = encode(content, qrConfig);
final BitMatrix bitMatrix = encode(content, qrConfig);
return toAsciiArt(bitMatrix, qrConfig);
}
@@ -627,12 +627,12 @@ public class QrCodeUtil {
* @since 5.8.6
*/
public static String toAsciiArt(BitMatrix bitMatrix, QrConfig qrConfig) {
int width = bitMatrix.getWidth();
int height = bitMatrix.getHeight();
final int width = bitMatrix.getWidth();
final int height = bitMatrix.getHeight();
AnsiElement foreground = qrConfig.foreColor == null ? null : Ansi8BitColor.foreground(rgbToAnsi8BitValue(qrConfig.foreColor));
AnsiElement background = qrConfig.backColor == null ? null : Ansi8BitColor.background(rgbToAnsi8BitValue(qrConfig.backColor));
final AnsiElement foreground = qrConfig.foreColor == null ? null : Ansi8BitColor.foreground(rgbToAnsi8BitValue(qrConfig.foreColor));
final AnsiElement background = qrConfig.backColor == null ? null : Ansi8BitColor.background(rgbToAnsi8BitValue(qrConfig.backColor));
StringBuilder builder = new StringBuilder();
for (int i = 0; i <= height; i += 2) {
@@ -663,15 +663,13 @@ public class QrCodeUtil {
* @since 5.8.6
*/
private static int rgbToAnsi8BitValue(int rgb) {
int l;
int r = (rgb >> 16) & 0xff;
int g = (rgb >> 8) & 0xff;
int b = (rgb) & 0xff;
if (r < 0) r += 256;
if (g < 0) g += 256;
if (b < 0) b += 256;
final int r = (rgb >> 16) & 0xff;
final int g = (rgb >> 8) & 0xff;
final int b = (rgb) & 0xff;
final int l;
if (r == g && g == b) {
int i = (int) (NumberUtil.div(NumberUtil.mul(r - 10.625, 23), (255 - 10.625), 0));
final int i = (int) (NumberUtil.div(NumberUtil.mul(r - 10.625, 23), (255 - 10.625), 0));
l = i >= 0 ? 232 + i : 0;
} else {
l = 16 + (int) (36 * NumberUtil.div(NumberUtil.mul(r, 5), 255, 0)) + (int) (6.0 * (g / 256.0 * 6.0)) + (int) (b / 256.0 * 6.0);