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- package epson.scan.activity;
- import android.content.Context;
- import android.content.res.TypedArray;
- import android.graphics.Bitmap;
- import android.graphics.BitmapFactory;
- import android.graphics.Canvas;
- import android.graphics.DashPathEffect;
- import android.graphics.Paint;
- import android.graphics.Path;
- import android.graphics.PathEffect;
- import android.graphics.Rect;
- import android.support.p000v4.view.GestureDetectorCompat;
- import android.text.TextPaint;
- import android.util.AttributeSet;
- import android.view.GestureDetector;
- import android.view.MotionEvent;
- import android.view.View;
- import java.util.ArrayList;
- import java.util.Iterator;
- import epson.common.ImageUtil;
- import epson.print.R;
- public class I2ScanAreaView extends View {
- private static final int CONTOUR_AREA_BACK_COLOR = -1;
- private final int SCAN_AREA_CORNER_LENGTH_DP = 30;
- private final int SCAN_AREA_CORNER_LONG_TAP_AREA_WIDTH_DP = 60;
- private final int SCAN_AREA_CORNER_WIDTH_DP = 4;
- private final int SCAN_AREA_MOVE_MODE_AREA_MOVE = 3;
- private final int SCAN_AREA_MOVE_MODE_LEFT_UPPER = 1;
- private final int SCAN_AREA_MOVE_MODE_NONE = 0;
- private final int SCAN_AREA_MOVE_MODE_RIGHT_LOWER = 2;
- private ArrayList<String> mBreakStrings;
- private float[] mDashInterval;
- private Rect mDisplayContourArea;
- private float mDisplayDensity;
- private Rect mDisplayMovableArea;
- private Rect mDisplayPreviewImageRect;
- private double mDisplayRate;
- private float mDisplayTextLeft;
- private ArrayList<Float> mDisplayTextYPosition;
- private FlickCallback mFlickCallback;
- private GestureDetectorCompat mGestureDetectorCompat;
- private final GestureDetector.SimpleOnGestureListener mGestureListener = new GestureDetector.SimpleOnGestureListener() {
- public boolean onDown(MotionEvent motionEvent) {
- return true;
- }
- public boolean onScroll(MotionEvent motionEvent, MotionEvent motionEvent2, float f, float f2) {
- return true;
- }
- public boolean onFling(MotionEvent motionEvent, MotionEvent motionEvent2, float f, float f2) {
- I2ScanAreaView.this.checkFlick(f);
- return true;
- }
- public void onLongPress(MotionEvent motionEvent) {
- boolean unused = I2ScanAreaView.this.checkMoveMode(motionEvent.getX(), motionEvent.getY());
- }
- };
- private boolean mMovableAreaMode;
- private int mOrgContourHeight;
- private int mOrgContourWidth;
- private Rect mOrgMovableArea;
- private Rect mOrgPreviewImageRect;
- private Paint mPaint;
- private float mPhase;
- private float mPrevX;
- private float mPrevY;
- private Bitmap mPreviewImageBitmap;
- private String mPreviewImageFile;
- private int mPromptTextColor = -16776961;
- private boolean mPromptTextDisplay;
- private float mPromptTextSize = 10.0f;
- private Bitmap mScanAreaCenterBitmap;
- private int mScanAreaCornerLengthPixel;
- private int mScanAreaCornerLogTapAreaWidthPixel;
- private int mScanAreaCornerWidthPixel;
- private boolean mScanAreaModified;
- private int mScanAreaMoveMode;
- private final Path mScanAreaPath = new Path();
- private String mScanPromptString;
- private TextPaint mTextPaint;
- interface FlickCallback {
- void flick(int i);
- }
- public boolean isScanAreaModified() {
- return mMovableAreaMode && mScanAreaModified;
- }
- public Rect getMovableScanArea() {
- return mOrgMovableArea;
- }
- public int[] getOrgContour() {
- return new int[]{mOrgContourWidth, mOrgContourHeight};
- }
- public I2ScanAreaView(Context context) {
- super(context);
- init((AttributeSet) null, 0);
- }
- public I2ScanAreaView(Context context, AttributeSet attributeSet) {
- super(context, attributeSet);
- init(attributeSet, 0);
- }
- public I2ScanAreaView(Context context, AttributeSet attributeSet, int i) {
- super(context, attributeSet, i);
- init(attributeSet, i);
- }
- private void init(AttributeSet attributeSet, int i) {
- TypedArray obtainStyledAttributes = getContext().obtainStyledAttributes(attributeSet, R.styleable.I2ScanAreaView, i, 0);
- mScanPromptString = obtainStyledAttributes.getString(0);
- mPromptTextColor = obtainStyledAttributes.getColor(1, mPromptTextColor);
- mPromptTextSize = obtainStyledAttributes.getDimension(2, mPromptTextSize);
- obtainStyledAttributes.recycle();
- mTextPaint = new TextPaint();
- mTextPaint.setFlags(1);
- mTextPaint.setTextAlign(Paint.Align.LEFT);
- mPaint = new Paint();
- mPromptTextDisplay = true;
- mScanAreaMoveMode = 0;
- float f = getResources().getDisplayMetrics().density;
- mScanAreaCornerLengthPixel = Math.round(30.0f * f);
- mScanAreaCornerWidthPixel = Math.round(4.0f * f);
- mScanAreaCornerLogTapAreaWidthPixel = Math.round(60.0f * f);
- mScanAreaCenterBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.area_center);
- mDashInterval = new float[]{10.0f * f, 2.0f * f};
- mDisplayDensity = f;
- mScanAreaModified = false;
- mGestureDetectorCompat = new GestureDetectorCompat(getContext(), mGestureListener);
- invalidateTextPaintAndMeasurements();
- }
- public void setFlickCallback(FlickCallback flickCallback) {
- mFlickCallback = flickCallback;
- }
- private void invalidateTextPaintAndMeasurements() {
- mTextPaint.setTextSize(mPromptTextSize);
- mTextPaint.setColor(mPromptTextColor);
- }
- protected void onSizeChanged(int i, int i2, int i3, int i4) {
- super.onSizeChanged(i, i2, i3, i4);
- calcDrawSize(i, i2);
- }
- private void calcDrawSize(int i, int i2) {
- if (i != 0 && i2 != 0 && mOrgContourWidth != 0 && mOrgContourHeight != 0) {
- int paddingLeft = (i - getPaddingLeft()) - getPaddingRight();
- int paddingTop = (i2 - getPaddingTop()) - getPaddingBottom();
- if (paddingLeft <= 0 || paddingTop <= 0) {
- mDisplayContourArea = null;
- return;
- }
- double max = Math.max((mOrgContourWidth) / (paddingLeft), (mOrgContourHeight) / (paddingTop));
- mDisplayRate = max;
- int i3 = ((mOrgContourWidth) / max);
- int i4 = ((mOrgContourHeight) / max);
- mDisplayContourArea = new Rect(0, 0, i3, i4);
- mDisplayContourArea.offsetTo(getPaddingLeft() + ((paddingLeft - i3) / 2), getPaddingTop() + ((paddingTop - i4) / 2));
- if (mMovableAreaMode) {
- Rect rect = mOrgMovableArea;
- if (rect != null) {
- mDisplayMovableArea = new Rect(Math.round((rect.left) / max), Math.round((mOrgMovableArea.top) / max), Math.round((mOrgMovableArea.right) / max), Math.round((mOrgMovableArea.bottom) / max));
- mDisplayMovableArea.offset(mDisplayContourArea.left, mDisplayContourArea.top);
- }
- } else {
- mDisplayMovableArea = null;
- }
- Rect rect2 = mOrgPreviewImageRect;
- if (rect2 != null) {
- mDisplayPreviewImageRect = new Rect(Math.round((rect2.left) / max), Math.round((mOrgPreviewImageRect.top) / max), Math.round((mOrgPreviewImageRect.right) / max), Math.round((mOrgPreviewImageRect.bottom) / max));
- if (!mMovableAreaMode) {
- mDisplayPreviewImageRect.offsetTo((mDisplayContourArea.width() - mDisplayPreviewImageRect.width()) / 2, 0);
- }
- mDisplayPreviewImageRect.offset(mDisplayContourArea.left, mDisplayContourArea.top);
- }
- readPreviewBitmap();
- String str = mScanPromptString;
- if (str != null && !str.isEmpty()) {
- calcText(mDisplayContourArea);
- }
- }
- }
- private void calcText(Rect rect) {
- float width = ((float) rect.width()) * 0.9f;
- int length = mScanPromptString.length();
- Rect rect2 = new Rect();
- mBreakStrings = new ArrayList<>();
- ArrayList arrayList = new ArrayList();
- int i = 0;
- float f = 0.0f;
- while (i < length) {
- int breakText = mTextPaint.breakText(mScanPromptString.substring(i, length), true, width, (float[]) null);
- int i2 = i + breakText;
- String substring = mScanPromptString.substring(i, i2);
- mTextPaint.getTextBounds(substring, 0, breakText, rect2);
- f += (float) rect2.height();
- arrayList.add(Float.valueOf((float) rect2.height()));
- mBreakStrings.add(substring);
- i = i2;
- }
- mDisplayTextLeft = ((float) rect.left) + (width * 0.050000012f);
- float height = ((float) rect.top) + ((((float) rect.height()) - f) / 2.0f);
- mDisplayTextYPosition = new ArrayList<>();
- Iterator it = arrayList.iterator();
- while (it.hasNext()) {
- mDisplayTextYPosition.add(Float.valueOf(height));
- height += ((Float) it.next()).floatValue();
- }
- }
- protected void onDraw(Canvas canvas) {
- ArrayList<Float> arrayList;
- super.onDraw(canvas);
- if (mDisplayContourArea != null) {
- mPaint.setColor(-1);
- mPaint.setStyle(Paint.Style.FILL);
- canvas.drawRect(mDisplayContourArea, mPaint);
- Bitmap bitmap = mPreviewImageBitmap;
- if (bitmap != null) {
- canvas.drawBitmap(bitmap, (Rect) null, mDisplayPreviewImageRect, mPaint);
- }
- if (mDisplayMovableArea != null) {
- drawScanArea(canvas);
- }
- if (mPromptTextDisplay && mScanPromptString != null && mPreviewImageBitmap == null && mBreakStrings != null && (arrayList = mDisplayTextYPosition) != null) {
- Iterator<Float> it = arrayList.iterator();
- Iterator<String> it2 = mBreakStrings.iterator();
- while (it2.hasNext()) {
- String next = it2.next();
- if (it.hasNext()) {
- canvas.drawText(next, mDisplayTextLeft, it.next().floatValue(), mTextPaint);
- }
- }
- }
- }
- }
- private void drawScanArea(Canvas canvas) {
- if (mDisplayMovableArea != null) {
- mPaint.setColor(ViewCompat.MEASURED_STATE_MASK);
- if (mScanAreaMoveMode == 3) {
- canvas.drawBitmap(mScanAreaCenterBitmap, (float) (mDisplayMovableArea.centerX() - (mScanAreaCenterBitmap.getWidth() / 2)), (float) (mDisplayMovableArea.centerY() - (mScanAreaCenterBitmap.getHeight() / 2)), mPaint);
- }
- mScanAreaPath.reset();
- mScanAreaPath.moveTo((float) mDisplayMovableArea.left, (float) mDisplayMovableArea.top);
- mScanAreaPath.lineTo((float) mDisplayMovableArea.left, (float) mDisplayMovableArea.bottom);
- mScanAreaPath.lineTo((float) mDisplayMovableArea.right, (float) mDisplayMovableArea.bottom);
- mScanAreaPath.lineTo((float) mDisplayMovableArea.right, (float) mDisplayMovableArea.top);
- mScanAreaPath.close();
- if (mScanAreaMoveMode > 0) {
- mPaint.setPathEffect(new DashPathEffect(mDashInterval, mPhase));
- mPhase += mDisplayDensity;
- if (mPhase > 10000.0f) {
- mPhase = 0.0f;
- }
- postInvalidate();
- } else {
- mPaint.setPathEffect((PathEffect) null);
- }
- mPaint.setStyle(Paint.Style.STROKE);
- mPaint.setStrokeWidth(1.0f);
- canvas.drawPath(mScanAreaPath, mPaint);
- int i = mScanAreaCornerWidthPixel;
- int i2 = mScanAreaCornerLengthPixel;
- if (mScanAreaMoveMode == 1) {
- i *= 2;
- i2 *= 2;
- }
- mPaint.setStrokeWidth((float) i);
- mPaint.setPathEffect((PathEffect) null);
- mPaint.setStrokeCap(Paint.Cap.SQUARE);
- int i3 = i / 2;
- int i4 = mDisplayMovableArea.left - i3;
- int i5 = mDisplayMovableArea.top - i3;
- float f = (float) i4;
- float f2 = (float) i5;
- Canvas canvas2 = canvas;
- float f3 = f;
- float f4 = f2;
- canvas2.drawLine(f3, f4, (float) (i4 + i2), f2, mPaint);
- canvas2.drawLine(f3, f4, f, (float) (i5 + i2), mPaint);
- int i6 = mScanAreaCornerWidthPixel;
- int i7 = mScanAreaCornerLengthPixel;
- if (mScanAreaMoveMode == 2) {
- i6 *= 2;
- i7 *= 2;
- }
- mPaint.setStrokeWidth((float) i6);
- int i8 = i6 / 2;
- int i9 = mDisplayMovableArea.right + i8;
- int i10 = mDisplayMovableArea.bottom + i8;
- float f5 = (float) i9;
- float f6 = (float) i10;
- Canvas canvas3 = canvas;
- float f7 = f5;
- float f8 = f6;
- canvas3.drawLine(f7, f8, f5, (float) (i10 - i7), mPaint);
- canvas3.drawLine(f7, f8, (float) (i9 - i7), f6, mPaint);
- }
- }
- public boolean onTouchEvent(MotionEvent motionEvent) {
- if (mScanAreaMoveMode > 0) {
- if (checkTouchEvent(motionEvent) || super.onTouchEvent(motionEvent)) {
- return true;
- }
- return false;
- } else if (mGestureDetectorCompat.onTouchEvent(motionEvent) || super.onTouchEvent(motionEvent)) {
- return true;
- } else {
- return false;
- }
- }
- private boolean checkTouchEvent(MotionEvent motionEvent) {
- switch (motionEvent.getAction()) {
- case 0:
- return true;
- case 1:
- if (mScanAreaMoveMode <= 0) {
- return false;
- }
- mScanAreaMoveMode = 0;
- updateOrgScanArea();
- postInvalidate();
- return true;
- case 2:
- return moveScanArea(motionEvent.getX(), motionEvent.getY());
- default:
- return false;
- }
- }
- private void updateOrgScanArea() {
- Rect rect = mDisplayMovableArea;
- if (rect != null) {
- Rect rect2 = mOrgMovableArea;
- rect2.left = 0;
- rect2.top = 0;
- rect2.right = Math.round(((rect.width() - 1)) * mDisplayRate);
- mOrgMovableArea.bottom = Math.round(((mDisplayMovableArea.height() - 1)) * mDisplayRate);
- mOrgMovableArea.offsetTo(Math.round(((mDisplayMovableArea.left - mDisplayContourArea.left)) * mDisplayRate), Math.round(((mDisplayMovableArea.top - mDisplayContourArea.top)) * mDisplayRate));
- }
- }
- private boolean moveScanArea(float f, float f2) {
- if (mDisplayMovableArea == null) {
- return false;
- }
- int round = Math.round(f - mPrevX);
- int round2 = Math.round(f2 - mPrevY);
- switch (mScanAreaMoveMode) {
- case 1:
- mDisplayMovableArea.left += round;
- mDisplayMovableArea.top += round2;
- break;
- case 2:
- mDisplayMovableArea.right += round;
- mDisplayMovableArea.bottom += round2;
- break;
- case 3:
- mDisplayMovableArea.left += round;
- mDisplayMovableArea.top += round2;
- mDisplayMovableArea.right += round;
- mDisplayMovableArea.bottom += round2;
- break;
- default:
- return false;
- }
- if (mDisplayMovableArea.left > mDisplayMovableArea.right) {
- int i = mDisplayMovableArea.left;
- Rect rect = mDisplayMovableArea;
- rect.left = rect.right;
- mDisplayMovableArea.right = i;
- }
- if (mDisplayMovableArea.top > mDisplayMovableArea.bottom) {
- int i2 = mDisplayMovableArea.top;
- Rect rect2 = mDisplayMovableArea;
- rect2.top = rect2.bottom;
- mDisplayMovableArea.bottom = i2;
- }
- if (mDisplayMovableArea.left < 0) {
- mDisplayMovableArea.left = 0;
- }
- if (mDisplayMovableArea.top < 0) {
- mDisplayMovableArea.top = 0;
- }
- if (mDisplayMovableArea.right >= getWidth()) {
- mDisplayMovableArea.right = getWidth() - 1;
- }
- if (mDisplayMovableArea.bottom >= getHeight()) {
- mDisplayMovableArea.bottom = getHeight() - 1;
- }
- mPrevX = f;
- mPrevY = f2;
- postInvalidate();
- return false;
- }
- public String getPromptString() {
- return mScanPromptString;
- }
- public void setPromptString(String str) {
- mScanPromptString = str;
- invalidateTextPaintAndMeasurements();
- }
- public int getPromptTextColor() {
- return mPromptTextColor;
- }
- public void setPromptTextColor(int i) {
- mPromptTextColor = i;
- invalidateTextPaintAndMeasurements();
- }
- public float getPromptTextSize() {
- return mPromptTextSize;
- }
- public void setPromptTextSize(float f) {
- mPromptTextSize = f;
- invalidateTextPaintAndMeasurements();
- }
- public void setPromptStringVisibility(int i) {
- mPromptTextDisplay = i == 0;
- invalidate();
- }
- public void setArea(int i, int i2) {
- mScanAreaModified = false;
- mOrgContourWidth = i;
- mOrgContourHeight = i2;
- mMovableAreaMode = false;
- calcDrawSize(getWidth(), getHeight());
- }
- public void setMovableAreaModeSize(int i, int i2, Rect rect) {
- mScanAreaModified = false;
- mOrgContourWidth = i;
- mOrgContourHeight = i2;
- mMovableAreaMode = true;
- mOrgMovableArea = new Rect(rect);
- calcDrawSize(getWidth(), getHeight());
- }
- public void setPreviewImage(String str, int[] iArr) {
- mPreviewImageFile = str;
- if (str == null || iArr == null || iArr.length < 4) {
- mOrgPreviewImageRect = null;
- mPreviewImageBitmap = null;
- } else {
- mOrgPreviewImageRect = new Rect(iArr[2], iArr[3], iArr[2] + iArr[0], iArr[3] + iArr[1]);
- }
- calcDrawSize(getWidth(), getHeight());
- }
- public void setPreviewImage(String str) {
- mPreviewImageFile = str;
- if (mMovableAreaMode) {
- mOrgPreviewImageRect = new Rect(mOrgMovableArea);
- } else {
- mOrgPreviewImageRect = new Rect(0, 0, mOrgContourWidth, mOrgContourHeight);
- }
- calcDrawSize(getWidth(), getHeight());
- }
- private void readPreviewBitmap() {
- String str = mPreviewImageFile;
- if (str == null) {
- mPreviewImageBitmap = null;
- } else {
- mPreviewImageBitmap = ImageUtil.loadBitmap(str, mDisplayPreviewImageRect.width(), mDisplayPreviewImageRect.height(), true, false);
- }
- }
- private void checkFlick(float f) {
- if (mFlickCallback != null) {
- float min = ((float) Math.min(getWidth(), getHeight())) * 0.1f;
- if (f < (-min)) {
- mFlickCallback.flick(1);
- } else if (f > min) {
- mFlickCallback.flick(-1);
- }
- }
- }
- private boolean checkMoveMode(float f, float f2) {
- Rect rect = mDisplayMovableArea;
- if (rect == null) {
- return false;
- }
- mPrevX = f;
- mPrevY = f2;
- if (Math.hypot((((float) rect.left) - f), (((float) mDisplayMovableArea.top) - f2)) < (mScanAreaCornerLogTapAreaWidthPixel)) {
- mScanAreaMoveMode = 1;
- } else if (Math.hypot((((float) mDisplayMovableArea.right) - f), (((float) mDisplayMovableArea.bottom) - f2)) < (mScanAreaCornerLogTapAreaWidthPixel)) {
- mScanAreaMoveMode = 2;
- } else if (f < ((float) mDisplayMovableArea.left) || f > ((float) mDisplayMovableArea.right) || f2 < ((float) mDisplayMovableArea.top) || f2 > ((float) mDisplayMovableArea.bottom)) {
- return false;
- } else {
- mScanAreaMoveMode = 3;
- }
- mScanAreaModified = true;
- postInvalidate();
- return true;
- }
- }
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