diff --git a/zbarlibary/src/main/java/cn/bertsir/zbar/QRUtils.java b/zbarlibary/src/main/java/cn/bertsir/zbar/QRUtils.java index bf05186..d5044ee 100644 --- a/zbarlibary/src/main/java/cn/bertsir/zbar/QRUtils.java +++ b/zbarlibary/src/main/java/cn/bertsir/zbar/QRUtils.java @@ -8,6 +8,8 @@ import android.graphics.Matrix; import android.graphics.PointF; import android.graphics.drawable.BitmapDrawable; +import android.support.annotation.ColorInt; +import android.text.TextUtils; import android.view.Gravity; import android.view.View; import android.widget.ImageView; @@ -39,7 +41,7 @@ public class QRUtils { public static QRUtils getInstance() { - if(instance == null) + if (instance == null) instance = new QRUtils(); return instance; } @@ -47,19 +49,21 @@ public static QRUtils getInstance() { /** * 生成二维码 + * * @param content * @return */ - public Bitmap createQRCode(String content){ - return createQRCode(content,300,300); + public Bitmap createQRCode(String content) { + return createQRCode(content, 300, 300); } /** * 生成二维码 + * * @param content * @return */ - public Bitmap createQRCode(String content,int width,int height){ + public Bitmap createQRCode(String content, int width, int height) { Bitmap bitmap = null; BitMatrix result = null; MultiFormatWriter multiFormatWriter = new MultiFormatWriter(); @@ -67,8 +71,8 @@ public Bitmap createQRCode(String content,int width,int height){ Hashtable hints = new Hashtable(); hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.Q);//这里调整二维码的容错率 hints.put(EncodeHintType.MARGIN, 1); //设置白边取值1-4，值越大白边越大 - result = multiFormatWriter.encode(new String(content.getBytes("UTF-8"),"ISO-8859-1"), BarcodeFormat - .QR_CODE, width, height,hints); + result = multiFormatWriter.encode(new String(content.getBytes("UTF-8"), "ISO-8859-1"), BarcodeFormat + .QR_CODE, width, height, hints); int w = result.getWidth(); int h = result.getHeight(); int[] pixels = new int[w * h]; @@ -89,39 +93,41 @@ public Bitmap createQRCode(String content,int width,int height){ /** * 生成带logo的二维码 + * * @param content * @param logo * @return */ - public Bitmap createQRCodeAddLogo(String content,Bitmap logo){ + public Bitmap createQRCodeAddLogo(String content, Bitmap logo) { Bitmap qrCode = createQRCode(content); int qrheight = qrCode.getHeight(); int qrwidth = qrCode.getWidth(); int waterWidth = (int) (qrwidth * 0.3);//0.3为logo占二维码大小的倍数 建议不要过大，否则二维码失效 float scale = waterWidth / (float) logo.getWidth(); - Bitmap waterQrcode = createWaterMaskCenter(qrCode, zoomImg(logo,scale)); + Bitmap waterQrcode = createWaterMaskCenter(qrCode, zoomImg(logo, scale)); return waterQrcode; } - public Bitmap createQRCodeAddLogo(String content,int width,int height,Bitmap logo){ - Bitmap qrCode = createQRCode(content,width,height); + public Bitmap createQRCodeAddLogo(String content, int width, int height, Bitmap logo) { + Bitmap qrCode = createQRCode(content, width, height); int qrheight = qrCode.getHeight(); int qrwidth = qrCode.getWidth(); int waterWidth = (int) (qrwidth * 0.3);//0.3为logo占二维码大小的倍数 建议不要过大，否则二维码失效 float scale = waterWidth / (float) logo.getWidth(); - Bitmap waterQrcode = createWaterMaskCenter(qrCode, zoomImg(logo,scale)); + Bitmap waterQrcode = createWaterMaskCenter(qrCode, zoomImg(logo, scale)); return waterQrcode; } /** * 识别本地二维码 + * * @param url * @return */ - public String decodeQRcode(String url) throws Exception{ + public String decodeQRcode(String url) throws Exception { Bitmap obmp = BitmapFactory.decodeFile(url); - if(obmp != null){ + if (obmp != null) { int width = obmp.getWidth(); int height = obmp.getHeight(); int[] data = new int[width * height]; @@ -140,40 +146,40 @@ public String decodeQRcode(String url) throws Exception{ } else { return re.getText(); } - }else { + } else { return ""; } } - public String decodeQRcode(ImageView iv) throws Exception{ + public String decodeQRcode(ImageView iv) throws Exception { Bitmap obmp = ((BitmapDrawable) (iv).getDrawable()).getBitmap(); - int width = obmp.getWidth(); - int height = obmp.getHeight(); - int[] data = new int[width * height]; - obmp.getPixels(data, 0, width, 0, 0, width, height); - RGBLuminanceSource source = new RGBLuminanceSource(width, height, data); - BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source)); - QRCodeReader reader = new QRCodeReader(); - Result re = null; - try { - re = reader.decode(bitmap1); - } catch (Exception e) { - e.printStackTrace(); - } - if (re == null) { - return ""; - } else { - return re.getText(); - } + int width = obmp.getWidth(); + int height = obmp.getHeight(); + int[] data = new int[width * height]; + obmp.getPixels(data, 0, width, 0, 0, width, height); + RGBLuminanceSource source = new RGBLuminanceSource(width, height, data); + BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source)); + QRCodeReader reader = new QRCodeReader(); + Result re = null; + try { + re = reader.decode(bitmap1); + } catch (Exception e) { + e.printStackTrace(); + } + if (re == null) { + return ""; + } else { + return re.getText(); + } } - public String decodeQRcode(Bitmap bm) throws Exception{ + public String decodeQRcode(Bitmap bm) throws Exception { Bitmap obmp = bm; - if(bm != null){ + if (bm != null) { int width = obmp.getWidth(); int height = obmp.getHeight(); int[] data = new int[width * height]; @@ -192,7 +198,7 @@ public String decodeQRcode(Bitmap bm) throws Exception{ } else { return re.getText(); } - }else { + } else { return ""; } @@ -200,41 +206,63 @@ public String decodeQRcode(Bitmap bm) throws Exception{ /** * 生成条形码 + * * @param context * @param contents * @param desiredWidth * @param desiredHeight - * @param displayCode * @return */ - public Bitmap creatBarcode(Context context, String contents, int desiredWidth, int desiredHeight, boolean displayCode) { - Bitmap ruseltBitmap = null; + public Bitmap createBarcode(Context context, String contents, int desiredWidth, int desiredHeight) { + if (TextUtils.isEmpty(contents)) { + throw new NullPointerException("contents not be null"); + } + if (desiredWidth == 0 || desiredHeight == 0) { + throw new NullPointerException("desiredWidth or desiredHeight not be null"); + } + Bitmap resultBitmap; /** - * 图片两端所保留的空白的宽度 + * 条形码的编码类型 */ - int marginW = 20; + BarcodeFormat barcodeFormat = BarcodeFormat.CODE_128; + + resultBitmap = encodeAsBitmap(contents, barcodeFormat, + desiredWidth, desiredHeight); + return resultBitmap; + } + + public Bitmap createBarCodeWithText(Context context, String contents, int desiredWidth, + int desiredHeight) { + return createBarCodeWithText(context, contents, desiredWidth, desiredHeight, null); + } + + public Bitmap createBarCodeWithText(Context context, String contents, int desiredWidth, + int desiredHeight, TextViewConfig config) { + if (TextUtils.isEmpty(contents)) { + throw new NullPointerException("contents not be null"); + } + if (desiredWidth == 0 || desiredHeight == 0) { + throw new NullPointerException("desiredWidth or desiredHeight not be null"); + } + Bitmap resultBitmap; + /** * 条形码的编码类型 */ BarcodeFormat barcodeFormat = BarcodeFormat.CODE_128; - if (displayCode) { - Bitmap barcodeBitmap = encodeAsBitmap(contents, barcodeFormat, - desiredWidth, desiredHeight); - Bitmap codeBitmap = creatCodeBitmap(contents, desiredWidth + 2 - * marginW, desiredHeight, context); - ruseltBitmap = mixtureBitmap(barcodeBitmap, codeBitmap, new PointF( - 0, desiredHeight)); - } else { - ruseltBitmap = encodeAsBitmap(contents, barcodeFormat, - desiredWidth, desiredHeight); - } + Bitmap barcodeBitmap = encodeAsBitmap(contents, barcodeFormat, + desiredWidth, desiredHeight); - return ruseltBitmap; - } + Bitmap codeBitmap = createCodeBitmap(contents, barcodeBitmap.getWidth(), + barcodeBitmap.getHeight(), context, config); + resultBitmap = mixtureBitmap(barcodeBitmap, codeBitmap, new PointF( + 0, desiredHeight)); + return resultBitmap; + } - private Bitmap encodeAsBitmap(String contents, BarcodeFormat format, int desiredWidth, int desiredHeight) { + private Bitmap encodeAsBitmap(String contents, BarcodeFormat format, int desiredWidth, int desiredHeight) { final int WHITE = 0xFFFFFFFF; final int BLACK = 0xFF000000; @@ -267,24 +295,57 @@ private Bitmap encodeAsBitmap(String contents, BarcodeFormat format, int desire } - private Bitmap creatCodeBitmap(String contents, int width, int height, Context context) { + private Bitmap createCodeBitmap(String contents, int width, int height, Context context, + TextViewConfig config) { + if (config == null) { + config = new TextViewConfig(); + } TextView tv = new TextView(context); LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams( LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT); tv.setLayoutParams(layoutParams); tv.setText(contents); + tv.setTextSize(config.size == 0 ? tv.getTextSize() : config.size); tv.setHeight(height); - tv.setGravity(Gravity.CENTER_HORIZONTAL); + tv.setGravity(config.gravity); + tv.setMaxLines(config.maxLines); tv.setWidth(width); tv.setDrawingCacheEnabled(true); - tv.setTextColor(Color.BLACK); + tv.setTextColor(config.color); tv.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED), View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED)); tv.layout(0, 0, tv.getMeasuredWidth(), tv.getMeasuredHeight()); tv.buildDrawingCache(); - Bitmap bitmapCode = tv.getDrawingCache(); - return bitmapCode; + return tv.getDrawingCache(); + } + + public static class TextViewConfig { + + private int gravity = Gravity.CENTER; + private int maxLines = 1; + private @ColorInt + int color = Color.BLACK; + private float size; + + public TextViewConfig() { + } + + public void setGravity(int gravity) { + this.gravity = gravity; + } + + public void setMaxLines(int maxLines) { + this.maxLines = maxLines; + } + + public void setColor(int color) { + this.color = color; + } + + public void setSize(float size) { + this.size = size; + } } /** @@ -292,20 +353,20 @@ private Bitmap creatCodeBitmap(String contents, int width, int height, Context c * * @param first * @param second - * @param fromPoint - * 第二个Bitmap开始绘制的起始位置（相对于第一个Bitmap） + * @param fromPoint 第二个Bitmap开始绘制的起始位置（相对于第一个Bitmap） * @return */ private Bitmap mixtureBitmap(Bitmap first, Bitmap second, PointF fromPoint) { if (first == null || second == null || fromPoint == null) { return null; } - int marginW = 20; + + int width = Math.max(first.getWidth(), second.getWidth()); Bitmap newBitmap = Bitmap.createBitmap( - first.getWidth() + second.getWidth() + marginW, + width, first.getHeight() + second.getHeight(), Bitmap.Config.ARGB_4444); Canvas cv = new Canvas(newBitmap); - cv.drawBitmap(first, marginW, 0, null); + cv.drawBitmap(first, 0, 0, null); cv.drawBitmap(second, fromPoint.x, fromPoint.y, null); cv.save(Canvas.ALL_SAVE_FLAG); cv.restore(); @@ -343,6 +404,7 @@ private Bitmap createWaterMaskBitmap(Bitmap src, Bitmap watermark, int paddingLe /** * 缩放Bitmap + * * @param bm * @param f * @return