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新增扫描线属性动画
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@yuzhiqiang1993
yuzhiqiang1993 committed Sep 6, 2018
1 parent 7ca4434 commit 8ba3254
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Showing 2 changed files with 65 additions and 85 deletions.
9 changes: 9 additions & 0 deletions sh.exe.stackdump
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
Stack trace:
Frame Function Args
000FFFF8B18 0018005E0DE (0018024F1ED, 00180230C26, 000FFFF8B18, 000FFFF7A10)
000FFFF8B18 001800468F9 (00000000000, 00000000000, 00000000000, 001005F0D44)
000FFFF8B18 00180046932 (0018024F2A9, 000FFFF89C8, 000FFFF8B18, 00000000000)
000FFFF8B18 001800AA8D8 (00000000000, 00000000000, 00000000000, 00000000000)
000FFFF8B18 001800AAA5D (000FFFF8B30, 00000000000, 00000000000, 00000000000)
000FFFF8DA0 001800ABE73 (000FFFF8B30, 00000000000, 00000000000, 00000000000)
End of stack trace
141 changes: 56 additions & 85 deletions zxinglibrary/src/main/java/com/yzq/zxinglibrary/view/ViewfinderView.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,19 +2,24 @@
package com.yzq.zxinglibrary.view;


import android.animation.Animator;
import android.animation.ValueAnimator;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.support.annotation.Nullable;
import android.support.v4.content.ContextCompat;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.DecelerateInterpolator;

import com.google.zxing.ResultPoint;
import com.yzq.zxinglibrary.R;
Expand All @@ -31,10 +36,9 @@ public final class ViewfinderView extends View {
private static final int CURRENT_POINT_OPACITY = 0xA0;
private static final int MAX_RESULT_POINTS = 20;
private static final int POINT_SIZE = 6;
private final View scanLineView;

private CameraManager cameraManager;
private final Paint paint;
private Paint paint,scanLinePaint;
private Bitmap resultBitmap;
private int maskColor; // 取景框外的背景颜色
private int resultColor;// result Bitmap的颜色
Expand All @@ -47,13 +51,10 @@ public final class ViewfinderView extends View {
private List<ResultPoint> lastPossibleResultPoints;
// 扫描线移动的y
private int scanLineTop;
// 扫描线移动速度
private int SCAN_VELOCITY = 20;
//扫描线高度
private int scanLightHeight = 20;
// 扫描线
Bitmap scanLight;

private ZxingConfig config;
private ValueAnimator valueAnimator;
private Rect frame;


public ViewfinderView(Context context) {
Expand All @@ -69,7 +70,6 @@ public ViewfinderView(Context context, AttributeSet attrs) {


public void setZxingConfig(ZxingConfig config) {

this.config = config;
reactColor = ContextCompat.getColor(getContext(), config.getReactColor());
}
Expand All @@ -79,25 +79,63 @@ public ViewfinderView(Context context, @Nullable AttributeSet attrs, int defStyl
super(context, attrs, defStyleAttr);


paint = new Paint(Paint.ANTI_ALIAS_FLAG);
Resources resources = getResources();

maskColor = ContextCompat.getColor(getContext(), R.color.viewfinder_mask);
resultColor = ContextCompat.getColor(getContext(), R.color.result_view);
resultPointColor = ContextCompat.getColor(getContext(), R.color.possible_result_points);
statusColor = ContextCompat.getColor(getContext(), R.color.status_text);

possibleResultPoints = new ArrayList<ResultPoint>(10);
lastPossibleResultPoints = null;
scanLight = BitmapFactory.decodeResource(resources, R.drawable.scan_light);
// scanLight = BitmapFactory.decodeResource(resources, R.drawable.scan_light);

initPaint();



}

private void initPaint() {
paint = new Paint(Paint.ANTI_ALIAS_FLAG);

scanLinePaint=new Paint(Paint.ANTI_ALIAS_FLAG);

scanLinePaint.setStrokeWidth(6);
scanLinePaint.setStyle(Paint.Style.FILL);
scanLinePaint.setColor(Color.WHITE);

}

private void initAnimator() {
Log.i("initAnimator","initAnimator");

if (valueAnimator==null){
valueAnimator = ValueAnimator.ofInt(frame.top, frame.bottom);
valueAnimator.setDuration(3000);
valueAnimator.setInterpolator(new DecelerateInterpolator());
valueAnimator.setRepeatMode(ValueAnimator.RESTART);
valueAnimator.setRepeatCount(ValueAnimator.INFINITE);
valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {

scanLineTop = (int) animation.getAnimatedValue();
// Log.i("scanLineTop:",scanLineTop+"");
invalidate();

}
});

valueAnimator.start();
}

scanLineView=new View(context);

}

public void setCameraManager(CameraManager cameraManager) {
this.cameraManager = cameraManager;


}

@SuppressLint("DrawAllocation")
Expand All @@ -108,40 +146,32 @@ public void onDraw(Canvas canvas) {
}

// frame为取景框
Rect frame = cameraManager.getFramingRect();
frame = cameraManager.getFramingRect();
Rect previewFrame = cameraManager.getFramingRectInPreview();
if (frame == null || previewFrame == null) {
return;
}
initAnimator();

int width = canvas.getWidth();
int height = canvas.getHeight();


scanLineView.setLayoutParams(new ViewGroup.LayoutParams(frame.width(),10));
scanLineView.setBackgroundColor(reactColor);


/*绘制遮罩*/
drawMaskView(canvas, frame, width, height);

/*绘制取景框边框*/
drawFrameBounds(canvas, frame);



if (resultBitmap != null) {
// Draw the opaque result bitmap over the scanning rectangle
// 如果有二维码结果的Bitmap，在扫取景框内绘制不透明的result Bitmap
paint.setAlpha(CURRENT_POINT_OPACITY);
canvas.drawBitmap(resultBitmap, null, frame, paint);
} else {


/*绘制提示文字*/
// drawStatusText(canvas, frame, width);

/*绘制扫描线*/
// drawScanLight(canvas, frame);
drawScanLight(canvas, frame);

/*绘制闪动的点*/
drawPoint(canvas, frame, previewFrame);
Expand Down Expand Up @@ -224,7 +254,6 @@ private void drawFrameBounds(Canvas canvas, Rect frame) {
paint.setStrokeWidth(2);
paint.setStyle(Paint.Style.STROKE);
canvas.drawRect(frame, paint);

}

/*扫描框的四个角*/
Expand Down Expand Up @@ -263,47 +292,6 @@ private void drawFrameBounds(Canvas canvas, Rect frame) {
+ corWidth, frame.bottom + corWidth, paint);
}

/**
* 绘制提示文字
*
* @param canvas
* @param frame
* @param width
*/
private void drawStatusText(Canvas canvas, Rect frame, int width) {

// Log.i("绘制提示文字", "width:" + width);

String statusText1 = getResources().getString(
R.string.viewfinderview_status_text1);
String statusText2 = getResources().getString(
R.string.viewfinderview_status_text2);

int statusTextSize;

/*低分辨率处理*/
if (width >= 480 && width <= 600) {
statusTextSize = 22;
} else if (width > 600 && width <= 720) {
statusTextSize = 26;
} else {
statusTextSize = 45;
}

int statusPaddingTop = 180;

paint.setColor(statusColor);
paint.setTextSize(statusTextSize);

int textWidth1 = (int) paint.measureText(statusText1);
canvas.drawText(statusText1, (width - textWidth1) / 2, frame.top
- statusPaddingTop, paint);

int textWidth2 = (int) paint.measureText(statusText2);
canvas.drawText(statusText2, (width - textWidth2) / 2, frame.top
- statusPaddingTop + 60, paint);
}


/**
* 绘制移动扫描线
Expand All @@ -313,24 +301,7 @@ private void drawStatusText(Canvas canvas, Rect frame, int width) {
*/
private void drawScanLight(Canvas canvas, Rect frame) {

if (scanLineTop == 0 || scanLineTop + SCAN_VELOCITY >= frame.bottom) {
scanLineTop = frame.top;
} else {

/*缓动动画*/
// SCAN_VELOCITY = (frame.bottom - scanLineTop) / 12;
// SCAN_VELOCITY = (int) (SCAN_VELOCITY > 10 ? Math.ceil(SCAN_VELOCITY) : 10);
scanLineTop += SCAN_VELOCITY;
}

// Rect scanRect = new Rect(frame.left, scanLineTop, frame.right,
// scanLineTop + scanLightHeight);
// canvas.drawBitmap(scanLight, null, scanRect, paint);


paint.setColor(reactColor);
paint.setStrokeWidth(8);
canvas.drawLine(frame.left, scanLineTop, frame.right, scanLineTop, paint);
canvas.drawLine(frame.left, scanLineTop, frame.right, scanLineTop, scanLinePaint);


}
Expand Down

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