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liyiwei
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Aug 29, 2018
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145 changes: 145 additions & 0 deletions
145
app/src/main/java/group/tonight/vipvideohelper/other/QRCode.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| package group.tonight.vipvideohelper.other; | ||
|
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| import android.graphics.Bitmap; | ||
| import android.graphics.Matrix; | ||
|
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| import com.google.zxing.BarcodeFormat; | ||
| import com.google.zxing.EncodeHintType; | ||
| import com.google.zxing.WriterException; | ||
| import com.google.zxing.common.BitMatrix; | ||
| import com.google.zxing.qrcode.QRCodeWriter; | ||
| import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel; | ||
|
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| import java.util.Hashtable; | ||
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| /** | ||
| * 当前类注释:生成二维码的工具类 | ||
| * 作者：jinwenfeng on 16/2/18 13:50 | ||
| * 邮箱：[email protected] | ||
| * QQ： 823546371 | ||
| * 公司：南京穆尊信息科技有限公司 | ||
| * © 2016 jinwenfeng | ||
| * ©版权所有，未经允许不得传播 | ||
| */ | ||
| public class QRCode { | ||
| private static int IMAGE_HALFWIDTH = 50;//宽度值，影响中间图片大小 | ||
| /** | ||
| * 生成二维码，默认大小为500*500 | ||
| * | ||
| * @param text 需要生成二维码的文字、网址等 | ||
| * @return bitmap | ||
| */ | ||
| public static Bitmap createQRCode(String text) { | ||
| return createQRCode(text, 500); | ||
| } | ||
|
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| /** | ||
| * 生成二维码 | ||
| * | ||
| * @param text 需要生成二维码的文字、网址等 | ||
| * @param size 需要生成二维码的大小（） | ||
| * @return bitmap | ||
| */ | ||
| public static Bitmap createQRCode(String text, int size) { | ||
| try { | ||
| Hashtable<EncodeHintType, String> hints = new Hashtable<>(); | ||
| hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); | ||
| BitMatrix bitMatrix = new QRCodeWriter().encode(text, | ||
| BarcodeFormat.QR_CODE, size, size, hints); | ||
| int[] pixels = new int[size * size]; | ||
| for (int y = 0; y < size; y++) { | ||
| for (int x = 0; x < size; x++) { | ||
| if (bitMatrix.get(x, y)) { | ||
| pixels[y * size + x] = 0xff000000; | ||
| } else { | ||
| pixels[y * size + x] = 0xffffffff; | ||
| } | ||
|
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| } | ||
| } | ||
| Bitmap bitmap = Bitmap.createBitmap(size, size, | ||
| Bitmap.Config.ARGB_8888); | ||
| bitmap.setPixels(pixels, 0, size, 0, 0, size, size); | ||
| return bitmap; | ||
| } catch (WriterException e) { | ||
| e.printStackTrace(); | ||
| return null; | ||
| } | ||
| } | ||
|
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| /** | ||
| * 生成带logo的二维码，默认二维码的大小为500，logo为二维码的1/5 | ||
| * | ||
| * @param text 需要生成二维码的文字、网址等 | ||
| * @param mBitmap logo文件 | ||
| * @return bitmap | ||
| */ | ||
| public static Bitmap createQRCodeWithLogo(String text, Bitmap mBitmap) { | ||
| return createQRCodeWithLogo(text,500,mBitmap); | ||
| } | ||
|
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| /** | ||
| * 生成带logo的二维码，logo默认为二维码的1/5 | ||
| * | ||
| * @param text 需要生成二维码的文字、网址等 | ||
| * @param size 需要生成二维码的大小（） | ||
| * @param mBitmap logo文件 | ||
| * @return bitmap | ||
| */ | ||
| public static Bitmap createQRCodeWithLogo(String text, int size, Bitmap mBitmap) { | ||
| try { | ||
| IMAGE_HALFWIDTH = size/10; | ||
| Hashtable<EncodeHintType, Object> hints = new Hashtable<>(); | ||
| hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); | ||
| /* | ||
| * 设置容错级别，默认为ErrorCorrectionLevel.L | ||
| * 因为中间加入logo所以建议你把容错级别调至H,否则可能会出现识别不了 | ||
| */ | ||
| hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H); | ||
| BitMatrix bitMatrix = new QRCodeWriter().encode(text, | ||
| BarcodeFormat.QR_CODE, size, size, hints); | ||
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| int width = bitMatrix.getWidth();//矩阵高度 | ||
| int height = bitMatrix.getHeight();//矩阵宽度 | ||
| int halfW = width / 2; | ||
| int halfH = height / 2; | ||
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| Matrix m = new Matrix(); | ||
| float sx = (float) 2 * IMAGE_HALFWIDTH / mBitmap.getWidth(); | ||
| float sy = (float) 2 * IMAGE_HALFWIDTH | ||
| / mBitmap.getHeight(); | ||
| m.setScale(sx, sy); | ||
| //设置缩放信息 | ||
| //将logo图片按martix设置的信息缩放 | ||
| mBitmap = Bitmap.createBitmap(mBitmap, 0, 0, | ||
| mBitmap.getWidth(), mBitmap.getHeight(), m, false); | ||
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| int[] pixels = new int[size * size]; | ||
| for (int y = 0; y < size; y++) { | ||
| for (int x = 0; x < size; x++) { | ||
| if (x > halfW - IMAGE_HALFWIDTH && x < halfW + IMAGE_HALFWIDTH | ||
| && y > halfH - IMAGE_HALFWIDTH | ||
| && y < halfH + IMAGE_HALFWIDTH) { | ||
| //该位置用于存放图片信息 | ||
| //记录图片每个像素信息 | ||
| pixels[y * width + x] = mBitmap.getPixel(x - halfW | ||
| + IMAGE_HALFWIDTH, y - halfH + IMAGE_HALFWIDTH); | ||
| } else { | ||
| if (bitMatrix.get(x, y)) { | ||
| pixels[y * size + x] = 0xff000000; | ||
| } else { | ||
| pixels[y * size + x] = 0xffffffff; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| Bitmap bitmap = Bitmap.createBitmap(size, size, | ||
| Bitmap.Config.ARGB_8888); | ||
| bitmap.setPixels(pixels, 0, size, 0, 0, size, size); | ||
| return bitmap; | ||
| } catch (WriterException e) { | ||
| e.printStackTrace(); | ||
| return null; | ||
| } | ||
| } | ||
| } |
107 changes: 107 additions & 0 deletions
107
app/src/main/java/group/tonight/vipvideohelper/other/QRCodeUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| package group.tonight.vipvideohelper.other; | ||
|
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| import android.graphics.Bitmap; | ||
| import android.graphics.Color; | ||
| import android.support.annotation.ColorInt; | ||
| import android.support.annotation.Nullable; | ||
| import android.text.TextUtils; | ||
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| import com.google.zxing.BarcodeFormat; | ||
| import com.google.zxing.EncodeHintType; | ||
| import com.google.zxing.WriterException; | ||
| import com.google.zxing.common.BitMatrix; | ||
| import com.google.zxing.qrcode.QRCodeWriter; | ||
|
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| import java.util.Hashtable; | ||
|
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| /** | ||
| * Bitmap qrCodeBitmap = QRCodeUtil.createQRCodeBitmap("https://www.baidu.com", 480, 480); | ||
| * | ||
| * @ClassName: QRCodeUtil | ||
| * @Description: 二维码工具类 | ||
| * @Author Wangnan | ||
| * @Date 2017/2/8 | ||
| */ | ||
|
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| public class QRCodeUtil { | ||
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| /** | ||
| * 创建二维码位图 | ||
| * | ||
| * @param content 字符串内容(支持中文) | ||
| * @param width 位图宽度(单位:px) | ||
| * @param height 位图高度(单位:px) | ||
| * @return | ||
| */ | ||
| @Nullable | ||
| public static Bitmap createQRCodeBitmap(String content, int width, int height) { | ||
| return createQRCodeBitmap(content, width, height, "UTF-8", "H", "2", Color.BLACK, Color.WHITE); | ||
| } | ||
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| /** | ||
| * 创建二维码位图 (支持自定义配置和自定义样式) | ||
| * | ||
| * @param content 字符串内容 | ||
| * @param width 位图宽度,要求>=0(单位:px) | ||
| * @param height 位图高度,要求>=0(单位:px) | ||
| * @param character_set 字符集/字符转码格式 (支持格式:{@link CharacterSetECI })。传null时,zxing源码默认使用 "ISO-8859-1" | ||
| * @param error_correction 容错级别 (支持级别:{@link ErrorCorrectionLevel })。传null时,zxing源码默认使用 "L" | ||
| * @param margin 空白边距 (可修改,要求:整型且>=0), 传null时,zxing源码默认使用"4"。 | ||
| * @param color_black 黑色色块的自定义颜色值 | ||
| * @param color_white 白色色块的自定义颜色值 | ||
| * @return | ||
| */ | ||
| @Nullable | ||
| public static Bitmap createQRCodeBitmap(String content, int width, int height, | ||
| @Nullable String character_set, @Nullable String error_correction, @Nullable String margin, | ||
| @ColorInt int color_black, @ColorInt int color_white) { | ||
|
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| /** 1.参数合法性判断 */ | ||
| if (TextUtils.isEmpty(content)) { // 字符串内容判空 | ||
| return null; | ||
| } | ||
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| if (width < 0 || height < 0) { // 宽和高都需要>=0 | ||
| return null; | ||
| } | ||
|
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| try { | ||
| /** 2.设置二维码相关配置,生成BitMatrix(位矩阵)对象 */ | ||
| Hashtable<EncodeHintType, String> hints = new Hashtable<>(); | ||
|
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| if (!TextUtils.isEmpty(character_set)) { | ||
| hints.put(EncodeHintType.CHARACTER_SET, character_set); // 字符转码格式设置 | ||
| } | ||
|
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| if (!TextUtils.isEmpty(error_correction)) { | ||
| hints.put(EncodeHintType.ERROR_CORRECTION, error_correction); // 容错级别设置 | ||
| } | ||
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| if (!TextUtils.isEmpty(margin)) { | ||
| hints.put(EncodeHintType.MARGIN, margin); // 空白边距设置 | ||
| } | ||
| BitMatrix bitMatrix = new QRCodeWriter().encode(content, BarcodeFormat.QR_CODE, width, height, hints); | ||
|
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| /** 3.创建像素数组,并根据BitMatrix(位矩阵)对象为数组元素赋颜色值 */ | ||
| int[] pixels = new int[width * height]; | ||
| for (int y = 0; y < height; y++) { | ||
| for (int x = 0; x < width; x++) { | ||
| if (bitMatrix.get(x, y)) { | ||
| pixels[y * width + x] = color_black; // 黑色色块像素设置 | ||
| } else { | ||
| pixels[y * width + x] = color_white; // 白色色块像素设置 | ||
| } | ||
| } | ||
| } | ||
|
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| /** 4.创建Bitmap对象,根据像素数组设置Bitmap每个像素点的颜色值,之后返回Bitmap对象 */ | ||
| Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); | ||
| bitmap.setPixels(pixels, 0, width, 0, 0, width, height); | ||
| return bitmap; | ||
| } catch (WriterException e) { | ||
| e.printStackTrace(); | ||
| } | ||
|
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| return null; | ||
| } | ||
| } |
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