二维码 扫描框的 处理 美化功能 喜欢的 自己直接替换和修改
2024-06-06 16:45:54
我的代码总结：链接: http://pan.baidu.com/s/1bpgI8Ar 密码: h3re；
谁会将粗糙的二维码，能够有效处理的；分享下给我；谢谢
还有谁会增加 二维码的解码库，也分享下给我，万分感谢；
下面是color.xml 文件
<?xml version="1.0" encoding="utf-8"?>
<resources><color name="colorPrimary">#3F51B5</color><color name="colorPrimaryDark">#303F9F</color><color name="colorAccent">#FF4081</color><color name="bg_color">#EDEDED</color><color name="contents_text">#ff000000</color><color name="encode_view">#ffffffff</color><color name="help_button_view">#ffcccccc</color><color name="help_view">#ff404040</color><color name="possible_result_points">#c00000ff</color><!-- 设置 闪点的 颜色 黄色#c0ffff00,先修改为蓝色 --><color name="result_image_border">#ffffffff</color><color name="result_minor_text">#ffc0c0c0</color><color name="result_points">#c000ff00</color><color name="result_text">#ffffffff</color><color name="result_view">#b0000000</color><color name="sbc_header_text">#ff808080</color><color name="sbc_header_view">#ffffffff</color><color name="sbc_list_item">#fffff0e0</color><color name="sbc_layout_view">#ffffffff</color><color name="sbc_page_number_text">#ff000000</color><color name="sbc_snippet_text">#ff4b4b4b</color><color name="share_text">#ff000000</color><color name="share_view">#ffffffff</color><color name="status_view">#50000000</color><color name="status_text">#ffffffff</color><color name="transparent">#00000000</color><color name="viewfinder_frame">#ff000000</color><color name="viewfinder_laser">#ff0000ff</color><!-- 设置 扫描框 的 扫描线的颜色 红色,现在修改为 蓝色 --><color name="viewfinder_laser_left">#ff00ccff</color><!-- 设置 扫描框 的 扫描线 左边的颜色 红色,现在修改为 淀亮色 --><color name="viewfinder_laser_center">#ff0000ff</color><!-- 设置 扫描框 的 扫描线 中间的颜色 红色,现在修改为 蓝色 --><color name="viewfinder_laser_right">#ff00ccff</color><!-- 设置 扫描框 的 扫描线 右边的颜色 红色,现在修改为 淀亮色 --><color name="viewfinder_4_corner">#ff0000ff</color><!-- 设置 扫描框 的 四个角 的颜色 现在改为 蓝色--><color name="viewfinder_text">#ffffffff</color><!-- 设置 扫描框 的 下面字体颜色 改为白色 --><color name="viewfinder_mask">#60000000</color><color name="header">#58567D</color><color name="grgray">#686868</color>
</resources>
下面是 ViewfindView.java
/** Copyright (C) 2008 ZXing authors** Licensed under the Apache License, Version 2.0 (the "License");* you may not use this file except in compliance with the License.* You may obtain a copy of the License at** http://www.apache.org/licenses/LICENSE-2.0** Unless required by applicable law or agreed to in writing, software* distributed under the License is distributed on an "AS IS" BASIS,* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.* See the License for the specific language governing permissions and* limitations under the License.*/package com.example.zxing_update.zxing.view;import java.util.Collection;
import java.util.HashSet;import android.R.integer;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.drawable.GradientDrawable;
import android.util.AttributeSet;
import android.view.View;import com.example.zxing_update.R;
import com.example.zxing_update.zxing.camera.CameraManager;
import com.google.zxing.ResultPoint;/*** This view is overlaid on top of the camera preview. It adds the viewfinder* rectangle and partial transparency outside it, as well as the laser scanner* animation and result points.*/
public final class ViewfinderView extends View {private static final int[] SCANNER_ALPHA = { 0, 64, 128, 192, 255, 192,128, 64 };private static final long ANIMATION_DELAY = 100L;private static final int OPAQUE = 0xFF;private final Paint paint;private Bitmap resultBitmap;private final int maskColor;private final int resultColor;private final int frameColor;private final int laserColor;private final int resultPointColor;private int scannerAlpha;private Collection<ResultPoint> possibleResultPoints;private Collection<ResultPoint> lastPossibleResultPoints;// 二维码 美化功能 添加处private boolean laserLinePortrait = true;Rect mRect;int i = 0;GradientDrawable mDrawable;Paint textPaint;private int textColor;private int rectCorner_color;private int laserColor_left; private int laserColor_center; private int laserColor_right; // This constructor is used when the class is built from an XML resource.public ViewfinderView(Context context, AttributeSet attrs) {super(context, attrs);// Initialize these once for performance rather than calling them every// time in onDraw().paint = new Paint();// 二维码 美化功能 添加处textPaint = new Paint(Paint.ANTI_ALIAS_FLAG);mRect = new Rect();
// int laserColor_left = Color.parseColor("#CACACA");
// int laserColor_center = Color.RED;
// int laserColor_right = Color.parseColor("#CACACA");Resources resources = getResources();laserColor_left = resources.getColor(R.color.viewfinder_laser_left);// 设置 扫描线的 的颜色 laserColor_center = resources.getColor(R.color.viewfinder_laser_center);// 设置 扫描线的 的颜色 laserColor_right = resources.getColor(R.color.viewfinder_laser_right);// 设置 扫描线的 的颜色 mDrawable = new GradientDrawable(GradientDrawable.Orientation.LEFT_RIGHT, new int[] { laserColor_left, laserColor_center, laserColor_right });maskColor = resources.getColor(R.color.viewfinder_mask);resultColor = resources.getColor(R.color.result_view);frameColor = resources.getColor(R.color.viewfinder_frame);laserColor = resources.getColor(R.color.viewfinder_laser);// 设置 扫描线的 的颜色 textColor = resources.getColor(R.color.viewfinder_text);// 设置 扫描 框下面的的 的颜色 resultPointColor = resources.getColor(R.color.possible_result_points);// 设置闪点的 颜色rectCorner_color= resources.getColor(R.color.viewfinder_4_corner);//设置 扫描框的 四个角的颜色scannerAlpha = 0;possibleResultPoints = new HashSet<ResultPoint>(5);}@Overridepublic void onDraw(Canvas canvas) {// 中间的扫描框，你要修改扫描框的大小，去CameraManager里面修改Rect frame = CameraManager.get().getFramingRect();if (frame == null) {return;}// 获取屏幕的宽和高int width = canvas.getWidth();int height = canvas.getHeight();// Draw the exterior (i.e. outside the framing rect) darkened//画出扫描框外面的阴影部分，共四个部分，扫描框的上面到屏幕上面，扫描框的下面到屏幕下面 // 扫描框的左边面到屏幕左边，扫描框的右边到屏幕右边paint.setColor(resultBitmap != null ? resultColor : maskColor);canvas.drawRect(0, 0, width, frame.top, paint);canvas.drawRect(0, frame.top, frame.left, frame.bottom + 1, paint);canvas.drawRect(frame.right + 1, frame.top, width, frame.bottom + 1,paint);canvas.drawRect(0, frame.bottom + 1, width, height, paint);if (resultBitmap != null) {// Draw the opaque result bitmap over the scanning rectanglepaint.setAlpha(OPAQUE);canvas.drawBitmap(resultBitmap, frame.left, frame.top, paint);} else {
// 二维码 美化功能 替换处
// //画扫描框边上的角，总共8个部分
// // Draw a two pixel solid black border inside the framing rect
// paint.setColor(frameColor);
// canvas.drawRect(frame.left, frame.top, frame.right + 1,frame.top + 2, paint);
//
// canvas.drawRect(frame.left, frame.top + 2, frame.left + 2,frame.bottom - 1, paint);
//
// canvas.drawRect(frame.right - 1, frame.top, frame.right + 1,frame.bottom - 1, paint);
//
// canvas.drawRect(frame.left, frame.bottom - 1, frame.right + 1,frame.bottom + 1, paint);
//
//
// // Draw a red "laser scanner" line through the middle to show
// // decoding is active
// //画扫描框下面的字
// paint.setColor(laserColor);
// paint.setAlpha(SCANNER_ALPHA[scannerAlpha]);
// scannerAlpha = (scannerAlpha + 1) % SCANNER_ALPHA.length;
// int middle = frame.height() / 2 + frame.top;
// canvas.drawRect(frame.left + 2, middle - 1, frame.right - 1,
// middle + 2, paint);// 二维码 美化功能 替换处paint.setColor(rectCorner_color);//画出四个角：以屏幕左上角 为原点进行画边-画矩形：遵守 左-上-右-下原则canvas.drawRect(frame.left - 10, frame.top - 10, frame.left + 20, frame.top, paint);canvas.drawRect(frame.left - 10, frame.top - 10, frame.left, frame.top + 20, paint);canvas.drawRect(frame.right - 20, frame.top - 10, frame.right + 10, frame.top, paint);canvas.drawRect(frame.right, frame.top - 10, frame.right + 10, frame.top + 20, paint);// 这个 美化下面四个角有错：下边 不能再上边的 上边 ，画不出来； 一定要遵循上面的原则
// canvas.drawRect(frame.left - 10, frame.bottom + 10, frame.left + 20, frame.bottom, paint);
// canvas.drawRect(frame.left - 10, frame.bottom + 10, frame.left, frame.bottom - 20, paint);
// canvas.drawRect(frame.right - 20, frame.bottom + 10, frame.right + 10, frame.bottom, paint);
// canvas.drawRect(frame.right, frame.bottom + 10, frame.right + 10, frame.bottom - 20, paint);
// 这个 美化下面四个角 更正canvas.drawRect(frame.left - 10,frame.bottom, frame.left + 20,frame.bottom + 10, paint);canvas.drawRect(frame.left - 10, frame.bottom - 20, frame.left,frame.bottom + 10 , paint);canvas.drawRect(frame.right - 20, frame.bottom, frame.right + 10, frame.bottom + 10, paint);canvas.drawRect(frame.right, frame.bottom - 20, frame.right + 10,frame.bottom + 10, paint);int middle = frame.width() / 2;textPaint.setTextSize(25);//字体的大小textPaint.setColor(textColor);//字体颜色String text = getResources().getString(R.string.dimension_content);int textLen=(int) textPaint.measureText(text);//获得文本的长度canvas.drawText(text, frame.width() / 2 + frame.left-textLen/2, frame.bottom + 60, textPaint);// 画一个红色的线// Draw a red "laser scanner" line through the middle to show// decoding is activepaint.setColor(laserColor);// 这句话 似乎没有用paint.setStrokeWidth(2);//paint.setAlpha(SCANNER_ALPHA[scannerAlpha]);scannerAlpha = (scannerAlpha + 1) % SCANNER_ALPHA.length;//上下走的线 ：实现线 上下走if (laserLinePortrait) {if ((i += 5) < frame.bottom - frame.top) {/** canvas.drawRect(frame.left + 2, frame.top - 2 + i, frame.right - 1, frame.top + 2 + i,* paint);*/int r = 8;
// shap 样式可以自己自定义 ，使用getResources().getDrawable(id) 进行调用mDrawable.setShape(GradientDrawable.RECTANGLE);//设置 矩形线mDrawable.setGradientType(GradientDrawable.LINEAR_GRADIENT);//LINEAR_GRADIENT 设置线的颜色渐变setCornerRadii(mDrawable, r, r, r, r);mRect.set(frame.left + 2, frame.top - 3 + i, frame.right - 1, frame.top + 3 + i);mDrawable.setBounds(mRect);mDrawable.draw(canvas);invalidate();} else {i = 0;}} else {float left = frame.left + (frame.right - frame.left) / 2 - 2;canvas.drawRect(left, frame.top, left + 2, frame.bottom - 2, paint);}Collection<ResultPoint> currentPossible = possibleResultPoints;Collection<ResultPoint> currentLast = lastPossibleResultPoints;if (currentPossible.isEmpty()) {lastPossibleResultPoints = null;} else {possibleResultPoints = new HashSet<ResultPoint>(5);lastPossibleResultPoints = currentPossible;paint.setAlpha(OPAQUE);paint.setColor(resultPointColor);// 设置扫描 亮点的颜色for (ResultPoint point : currentPossible) {canvas.drawCircle(frame.left + point.getX(), frame.top+ point.getY(), 6.0f, paint);}}if (currentLast != null) {paint.setAlpha(OPAQUE / 2);paint.setColor(resultPointColor);for (ResultPoint point : currentLast) {canvas.drawCircle(frame.left + point.getX(), frame.top+ point.getY(), 3.0f, paint);}}// Request another update at the animation interval, but only// repaint the laser line,// not the entire viewfinder mask.//只刷新扫描框的内容，其他地方不刷新postInvalidateDelayed(ANIMATION_DELAY, frame.left, frame.top,frame.right, frame.bottom);}}public void setCornerRadii(GradientDrawable drawable, float r0, float r1, float r2, float r3) {drawable.setCornerRadii(new float[] { r0, r0, r1, r1, r2, r2, r3, r3 });}public void drawViewfinder() {resultBitmap = null;invalidate();}/*** Draw a bitmap with the result points highlighted instead of the live* scanning display.* * @param barcode* An image of the decoded barcode.*/public void drawResultBitmap(Bitmap barcode) {resultBitmap = barcode;invalidate();}public void addPossibleResultPoint(ResultPoint point) {possibleResultPoints.add(point);}}
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