1 package jp.sfjp.gokigen.a01c.liveview;
3 import android.content.Context;
4 import android.content.SharedPreferences;
5 import android.graphics.Bitmap;
6 import android.graphics.BitmapFactory;
7 import android.graphics.Canvas;
8 import android.graphics.Color;
9 import android.graphics.Paint;
10 import android.graphics.PointF;
11 import android.graphics.Rect;
12 import android.graphics.RectF;
13 import android.media.ExifInterface;
14 import android.os.Looper;
15 import android.preference.PreferenceManager;
16 import android.util.AttributeSet;
17 import android.util.DisplayMetrics;
18 import android.util.Log;
19 import android.util.TypedValue;
20 import android.view.MotionEvent;
21 import android.view.View;
22 import android.widget.ImageView;
25 import java.util.Timer;
26 import java.util.TimerTask;
28 import jp.co.olympus.camerakit.OLYCamera;
30 import jp.sfjp.gokigen.a01c.R;
31 import jp.sfjp.gokigen.a01c.liveview.gridframe.GridFrameFactory;
32 import jp.sfjp.gokigen.a01c.liveview.gridframe.IGridFrameDrawer;
33 import jp.sfjp.gokigen.a01c.olycamerawrapper.ILevelGauge;
34 import jp.sfjp.gokigen.a01c.preference.ICameraPropertyAccessor;
37 * CameraLiveImageView :
38 * (OLYMPUS の ImageCaptureSample をカスタマイズ)
41 public class CameraLiveImageView extends View implements CameraLiveViewListenerImpl.IImageDataReceiver, IAutoFocusFrameDisplay, ILiveImageStatusNotify
43 private final String TAG = toString();
45 private static final String EXIF_ORIENTATION = "Orientation";
47 private boolean showGridFeature = false;
48 private boolean showLevelGaugeFeature = false;
49 private ImageView.ScaleType imageScaleType;
50 private Bitmap imageBitmap;
51 private int imageRotationDegrees;
52 private boolean showingFocusFrame = false;
53 private IAutoFocusFrameDisplay.FocusFrameStatus focusFrameStatus;
54 private RectF focusFrameRect;
55 private Timer focusFrameHideTimer;
57 private IGridFrameDrawer gridFrameDrawer = null;
58 private ShowMessageHolder messageHolder;
64 public CameraLiveImageView(Context context)
67 initComponent(context);
74 public CameraLiveImageView(Context context, AttributeSet attrs)
76 super(context, attrs);
77 initComponent(context);
84 public CameraLiveImageView(Context context, AttributeSet attrs, int defStyleAttr)
86 super(context, attrs, defStyleAttr);
87 initComponent(context);
91 * 初期化ロジック (preferenceからデータを読み出す)
93 private void initComponent(Context context)
95 messageHolder = new ShowMessageHolder();
97 imageScaleType = ImageView.ScaleType.FIT_CENTER;
98 SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
100 showGridFeature = preferences.getBoolean(ICameraPropertyAccessor.SHOW_GRID_STATUS, true);
101 showLevelGaugeFeature = preferences.getBoolean(ICameraPropertyAccessor.SHOW_LEVEL_GAUGE_STATUS, false);
103 int framingGridStatus = Integer.parseInt(preferences.getString(ICameraPropertyAccessor.FRAME_GRID, ICameraPropertyAccessor.FRAME_GRID_DEFAULT_VALUE));
104 gridFrameDrawer = GridFrameFactory.getGridFrameDrawer(framingGridStatus);
106 // ダミーのビットマップデータ読み込み...画面表示のテスト用ロジック
109 imageBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.momonga);
123 protected void onAttachedToWindow()
125 super.onAttachedToWindow();
133 protected void onDetachedFromWindow()
135 super.onDetachedFromWindow();
138 if (focusFrameHideTimer != null)
140 focusFrameHideTimer.cancel();
141 focusFrameHideTimer = null;
150 protected void onDraw(Canvas canvas)
152 super.onDraw(canvas);
157 // メッセージの表示 (Overwrite)
158 drawInformationMessages(canvas);
166 public float getContentSizeWidth() {
167 return getIntrinsicContentSizeWidth();
175 public float getContentSizeHeight() {
176 return getIntrinsicContentSizeHeight();
183 private float getIntrinsicContentSizeWidth()
185 if (imageBitmap == null)
189 return (imageBitmap.getWidth());
196 private float getIntrinsicContentSizeHeight()
198 if (imageBitmap == null)
202 return (imageBitmap.getHeight());
206 * Sets a image to view.
207 * (CameraLiveViewListenerImpl.IImageDataReceiver の実装)
209 * @param data A image of live-view.
210 * @param metadata A metadata of the image.
212 public void setImageData(byte[] data, Map<String, Object> metadata)
217 if (data != null && metadata != null)
222 bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
224 catch (OutOfMemoryError e)
230 // Acquire a rotation degree of image.
231 int orientation = ExifInterface.ORIENTATION_UNDEFINED;
232 if (metadata.containsKey(EXIF_ORIENTATION))
234 orientation = Integer.parseInt((String) metadata.get(EXIF_ORIENTATION));
238 case ExifInterface.ORIENTATION_NORMAL:
241 case ExifInterface.ORIENTATION_ROTATE_90:
242 rotationDegrees = 90;
244 case ExifInterface.ORIENTATION_ROTATE_180:
245 rotationDegrees = 180;
247 case ExifInterface.ORIENTATION_ROTATE_270:
248 rotationDegrees = 270;
254 imageBitmap = bitmap;
255 imageRotationDegrees = rotationDegrees;
261 * Returns a point which is detected by a motion event.
263 * @param event A motion event.
264 * @return A point in the view finder. if a point is equal to null, the point is out of the view finder.
266 public PointF getPointWithEvent(MotionEvent event)
268 if (event == null || imageBitmap == null)
273 PointF pointOnView = new PointF(event.getX(), event.getY());
274 PointF pointOnImage = convertPointFromViewArea(pointOnView);
277 if (imageRotationDegrees == 0 || imageRotationDegrees == 180) {
278 imageWidth = imageBitmap.getWidth();
279 imageHeight = imageBitmap.getHeight();
281 imageWidth = imageBitmap.getHeight();
282 imageHeight = imageBitmap.getWidth();
284 return (OLYCamera.convertPointOnLiveImageIntoViewfinder(pointOnImage, imageWidth, imageHeight, imageRotationDegrees));
288 * Returns whether a image area contains a specified point.
290 * @param point The point to examine.
291 * @return true if the image is not null or empty and the point is located within the rectangle; otherwise, false.
293 public boolean isContainsPoint(PointF point)
295 return ((point != null) && (new RectF(0, 0, 1, 1)).contains(point.x, point.y));
299 * Hides the forcus frame.
301 public void hideFocusFrame()
303 if (focusFrameHideTimer != null)
305 focusFrameHideTimer.cancel();
306 focusFrameHideTimer = null;
308 showingFocusFrame = false;
313 * Shows the focus frame.
315 * @param rect A rectangle of the focus frame on view area.
316 * @param status A status of the focus frame.
317 * @param duration A duration of the focus frame showing.
320 public void showFocusFrame(RectF rect, FocusFrameStatus status, double duration)
322 if (focusFrameHideTimer != null) {
323 focusFrameHideTimer.cancel();
324 focusFrameHideTimer = null;
327 showingFocusFrame = true;
328 focusFrameStatus = status;
329 focusFrameRect = rect;
334 focusFrameHideTimer = new Timer();
335 focusFrameHideTimer.schedule(new TimerTask() {
340 }, (long) (duration * 1000));
348 private void refreshCanvas()
350 if (Looper.getMainLooper().getThread() == Thread.currentThread()) {
360 * @param canvas キャンバス
362 private void drawCanvas(Canvas canvas)
364 // Clears the canvas.
365 canvas.drawARGB(255, 0, 0, 0);
368 Bitmap bitmapToShow = imageBitmap;
369 if (bitmapToShow == null)
375 // Rotates the image.
376 int centerX = canvas.getWidth() / 2;
377 int centerY = canvas.getHeight() / 2;
378 canvas.rotate(imageRotationDegrees, centerX, centerY);
380 RectF viewRect = null;
382 // Calculate the viewport of bitmap.
383 if (imageScaleType == ImageView.ScaleType.FIT_CENTER)
385 viewRect = decideViewRect(canvas, bitmapToShow, imageRotationDegrees);
388 Rect imageRect = new Rect(0, 0, bitmapToShow.getWidth(), bitmapToShow.getHeight());
389 canvas.drawBitmap(bitmapToShow, imageRect, viewRect, null);
393 // Sorry, other scale types are not supported.
394 Log.v(TAG, "Sorry, other scale types are not supported. " + imageScaleType);
397 // Cancels rotation of the canvas.
398 canvas.rotate(-imageRotationDegrees, centerX, centerY);
402 if ((focusFrameRect != null) && (showingFocusFrame)) {
403 if (imageRotationDegrees == 0 || imageRotationDegrees == 180) {
404 drawFocusFrame(canvas, bitmapToShow.getWidth(), bitmapToShow.getHeight());
406 drawFocusFrame(canvas, bitmapToShow.getHeight(), bitmapToShow.getWidth());
410 if (viewRect != null)
413 if ((showGridFeature) && (gridFrameDrawer != null))
415 drawGridFrame(canvas, viewRect);
418 // レベルゲージ(デジタル水準器)の表示
419 if (showLevelGaugeFeature)
421 drawLevelGauge(canvas, viewRect);
430 private RectF decideViewRect(Canvas canvas, Bitmap bitmapToShow, int degree)
434 if ((degree == 0) || (degree == 180))
436 srcWidth = bitmapToShow.getWidth();
437 srcHeight = bitmapToShow.getHeight();
441 // Replaces width and height.
442 srcWidth = bitmapToShow.getHeight();
443 srcHeight = bitmapToShow.getWidth();
446 int maxWidth = canvas.getWidth();
447 int maxHeight = canvas.getHeight();
449 int centerX = canvas.getWidth() / 2;
450 int centerY = canvas.getHeight() / 2;
452 float widthRatio = maxWidth / (float) srcWidth;
453 float heightRatio = maxHeight / (float) srcHeight;
454 float smallRatio = Math.min(widthRatio, heightRatio);
458 if (widthRatio < heightRatio)
460 // Fits to maxWidth with keeping aspect ratio.
462 dstHeight = (int) (smallRatio * srcHeight);
466 // Fits to maxHeight with keeping aspect ratio.
467 dstHeight = maxHeight;
468 dstWidth = (int) (smallRatio * srcWidth);
471 final float halfWidth = dstWidth * 0.5f;
472 final float halfHeight = dstHeight * 0.5f;
473 if ((degree == 0) || (degree == 180))
477 centerY - halfHeight,
478 centerX - halfWidth + dstWidth,
479 centerY - halfHeight + dstHeight));
482 // Replaces the width and height.
484 centerX - halfHeight,
486 centerX - halfHeight + dstHeight,
487 centerY - halfWidth + dstWidth));
493 * @param canvas キャンバス
494 * @param imageWidth 幅
495 * @param imageHeight 高さ
497 private void drawFocusFrame(Canvas canvas, float imageWidth, float imageHeight)
499 //Log.v(TAG, "drawFocusFrame() :" + focusFrameStatus);
501 // Calculate the rectangle of focus.
502 RectF focusRectOnImage = OLYCamera.convertRectOnViewfinderIntoLiveImage(focusFrameRect, imageWidth, imageHeight, imageRotationDegrees);
503 RectF focusRectOnView = convertRectFromImageArea(focusRectOnImage);
505 // Draw a rectangle to the canvas.
506 Paint focusFramePaint = new Paint();
507 focusFramePaint.setStyle(Paint.Style.STROKE);
508 switch (focusFrameStatus) {
510 focusFramePaint.setColor(Color.WHITE);
514 focusFramePaint.setColor(Color.GREEN);
518 focusFramePaint.setColor(Color.RED);
522 focusFramePaint.setColor(Color.YELLOW);
525 float focusFrameStrokeWidth = 2.0f;
526 DisplayMetrics dm = getResources().getDisplayMetrics();
527 float strokeWidth = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, focusFrameStrokeWidth, dm);
528 focusFramePaint.setStrokeWidth(strokeWidth);
529 canvas.drawRect(focusRectOnView, focusFramePaint);
535 * @param canvas キャンバスエリア
536 * @param viewRect 表示領域
538 private void drawGridFrame(Canvas canvas, RectF viewRect)
541 if ((imageRotationDegrees == 0) || (imageRotationDegrees == 180)) {
542 gridRect = new RectF(viewRect);
544 float height = viewRect.right - viewRect.left;
545 float width = viewRect.bottom - viewRect.top;
546 float left = (canvas.getWidth() / 2.0f) - (width / 2.0f);
547 float top = (canvas.getHeight() / 2.0f) - (height / 2.0f);
548 gridRect = new RectF(left, top, left + width, top + height);
551 Paint framePaint = new Paint();
552 framePaint.setStyle(Paint.Style.STROKE);
554 DisplayMetrics dm = getResources().getDisplayMetrics();
555 float strokeWidth = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 1.0f, dm);
556 framePaint.setStrokeWidth(strokeWidth);
557 framePaint.setColor(gridFrameDrawer.getDrawColor());
558 gridFrameDrawer.drawFramingGrid(canvas, gridRect, framePaint);
565 private void drawLevelGauge(Canvas canvas, RectF viewRect)
567 ILevelGauge levelGauge = messageHolder.getLevelGauge();
568 if (levelGauge == null)
570 // デジタル水準器がとれない場合は、何もしない
575 int height = (int) viewRect.bottom; // canvas.getHeight();
576 int width = (int) viewRect.right; // canvas.getWidth();
577 int centerX = width / 2;
578 int centerY = height / 2;
580 float maxBandWidth = width / 3.0f; // ゲージの最大長 (画面の 1/3 ぐらい)
581 float maxBandHeight = height / 3.0f; // ゲージの最大長 (画面の 1/3 ぐらい)
582 int barWidthInitial = 4; // 表示するゲージの幅(の初期値)
583 int barWidth; // 実際に表示するゲージの幅
585 Paint paint = new Paint();
588 float verticalValue = levelGauge.getLevel(ILevelGauge.LevelArea.LEVEL_VERTICAL);
589 float verticalSize = verticalValue / 60.0f * maxBandHeight; // 45度で切り替わるはずだが、一応...
590 if (Math.abs(verticalSize) < 1.0f)
592 // 線引き限界以下、水平検出とする (この時の線は倍の長さにする)
594 barWidth = barWidthInitial * 2;
598 barWidth = barWidthInitial;
600 paint.setStrokeWidth(barWidth);
601 paint.setColor(levelGauge.getLevelColor(verticalValue));
602 canvas.drawLine((width - barWidth), centerY, (width - barWidth), (centerY + verticalSize), paint);
605 float horizontalValue = levelGauge.getLevel(ILevelGauge.LevelArea.LEVEL_HORIZONTAL);
606 paint.setStrokeWidth(2.0f);
607 paint.setAntiAlias(true);
608 paint.setColor(levelGauge.getLevelColor(horizontalValue));
609 if ((imageRotationDegrees == 0) || (imageRotationDegrees == 180))
612 float YY = canvas.getHeight() / 2.0f; // centerY
613 float diffY = (float) Math.sin(Math.toRadians(horizontalValue)) * (float) centerX;
614 canvas.drawLine(0, (YY + diffY), width, (YY - diffY), paint);
619 float XX = canvas.getWidth() / 2.0f; // centerX
620 float diffX = (float) Math.sin(Math.toRadians(horizontalValue)) * (float) centerY;
621 canvas.drawLine((XX + diffX), 0, (XX - diffX), canvas.getHeight(), paint);
626 float horizontalValue = levelGauge.getLevel(ILevelGauge.LevelArea.LEVEL_HORIZONTAL);
627 float horizontalSize = horizontalValue / 60.0f * maxBandWidth; // 45度ぐらいで切り替わるはずだが、一応...
628 if (Math.abs(horizontalSize) < 1.0f)
630 // 線引き限界以下、水平検出とする (この時の線は倍の長さにする)
631 horizontalSize = 1.0f;
632 barWidth = barWidthInitial * 2;
636 barWidth = barWidthInitial;
638 paint.setStrokeWidth(barWidth);
639 paint.setColor(levelGauge.getLevelColor(horizontalValue));
640 canvas.drawLine(centerX, (height - barWidth), (centerX + horizontalSize), (height - barWidth), paint);
647 private void drawInformationMessages(Canvas canvas)
651 if (imageBitmap != null)
653 // ビットマップの表示エリアに合わせて位置をチューニングする
654 viewRect = decideViewRect(canvas, imageBitmap, 0);
659 viewRect = new RectF(5.0f, 0.0f, canvas.getWidth() - 5.0f, canvas.getHeight() - 55.0f);
663 message = messageHolder.getMessage(ShowMessageHolder.MessageArea.CENTER);
664 if ((message != null)&&(message.length() > 0))
666 Paint paint = new Paint();
667 paint.setColor(messageHolder.getColor(ShowMessageHolder.MessageArea.CENTER));
668 paint.setTextSize(messageHolder.getSize(ShowMessageHolder.MessageArea.CENTER));
669 paint.setAntiAlias(true);
670 Paint.FontMetrics fontMetrics = paint.getFontMetrics();
671 float cx = (canvas.getWidth() / 2.0f) - (paint.measureText(message) / 2.0f);
672 float cy = (canvas.getHeight() / 2.0f) - ((fontMetrics.ascent + fontMetrics.descent) / 2.0f);
673 canvas.drawText(message, cx, cy, paint);
677 message = messageHolder.getMessage(ShowMessageHolder.MessageArea.UPLEFT);
678 if ((message != null)&&(message.length() > 0))
680 Paint paintUp = new Paint();
681 paintUp.setColor(messageHolder.getColor(ShowMessageHolder.MessageArea.UPLEFT));
682 paintUp.setTextSize(messageHolder.getSize(ShowMessageHolder.MessageArea.UPLEFT));
683 paintUp.setAntiAlias(true);
684 Paint.FontMetrics fontMetrics = paintUp.getFontMetrics();
685 canvas.drawText(message, viewRect.left + 3.0f, viewRect.top + (fontMetrics.descent - fontMetrics.ascent), paintUp);
689 message = messageHolder.getMessage(ShowMessageHolder.MessageArea.UPRIGHT);
690 if ((message != null)&&(message.length() > 0))
692 Paint paintUp = new Paint();
693 paintUp.setColor(messageHolder.getColor(ShowMessageHolder.MessageArea.UPRIGHT));
694 paintUp.setTextSize(messageHolder.getSize(ShowMessageHolder.MessageArea.UPRIGHT));
695 paintUp.setAntiAlias(true);
696 float width = paintUp.measureText(message);
697 Paint.FontMetrics fontMetrics = paintUp.getFontMetrics();
698 canvas.drawText(message, (viewRect.right - 3.0f) - width, viewRect.top + (fontMetrics.descent - fontMetrics.ascent), paintUp);
702 message = messageHolder.getMessage(ShowMessageHolder.MessageArea.LOWLEFT);
703 if ((message != null)&&(message.length() > 0))
705 Paint paint = new Paint();
706 paint.setColor(messageHolder.getColor(ShowMessageHolder.MessageArea.LOWLEFT));
707 paint.setTextSize(messageHolder.getSize(ShowMessageHolder.MessageArea.LOWLEFT));
708 paint.setAntiAlias(true);
709 Paint.FontMetrics fontMetrics = paint.getFontMetrics();
710 canvas.drawText(message, viewRect.left + 3.0f, viewRect.bottom - fontMetrics.bottom, paint);
714 message = messageHolder.getMessage(ShowMessageHolder.MessageArea.LOWRIGHT);
715 if ((message != null)&&(message.length() > 0))
717 Paint paint = new Paint();
718 paint.setColor(messageHolder.getColor(ShowMessageHolder.MessageArea.LOWRIGHT));
719 paint.setTextSize(messageHolder.getSize(ShowMessageHolder.MessageArea.LOWRIGHT));
720 paint.setAntiAlias(true);
721 float width = paint.measureText(message);
722 Paint.FontMetrics fontMetrics = paint.getFontMetrics();
723 canvas.drawText(message, (viewRect.right - 3.0f) - width, viewRect.bottom - fontMetrics.bottom, paint);
728 message = messageHolder.getMessage(ShowMessageHolder.MessageArea.UPCENTER);
729 if ((message != null)&&(message.length() > 0))
731 Paint paintUp = new Paint();
732 paintUp.setColor(messageHolder.getColor(ShowMessageHolder.MessageArea.UPCENTER));
733 paintUp.setTextSize(messageHolder.getSize(ShowMessageHolder.MessageArea.UPCENTER));
734 paintUp.setAntiAlias(true);
735 float width = paintUp.measureText(message) / 2.0f;
736 Paint.FontMetrics fontMetrics = paintUp.getFontMetrics();
737 canvas.drawText(message, (viewRect.centerX()) - width, viewRect.top + (fontMetrics.descent - fontMetrics.ascent), paintUp);
741 message = messageHolder.getMessage(ShowMessageHolder.MessageArea.LOWCENTER);
742 if ((message != null)&&(message.length() > 0))
744 Paint paint = new Paint();
745 paint.setColor(messageHolder.getColor(ShowMessageHolder.MessageArea.LOWCENTER));
746 paint.setTextSize(messageHolder.getSize(ShowMessageHolder.MessageArea.LOWCENTER));
747 paint.setAntiAlias(true);
748 float width = paint.measureText(message) / 2.0f;
749 Paint.FontMetrics fontMetrics = paint.getFontMetrics();
750 canvas.drawText(message, (viewRect.centerX()) - width, viewRect.bottom - fontMetrics.bottom, paint);
756 * Converts a point on image area to a point on view area.
758 * @param point A point on image area. (e.g. a live preview image)
759 * @return A point on view area. (e.g. a touch panel view)
761 private PointF convertPointFromImageArea(PointF point) {
762 if (imageBitmap == null) {
766 float viewPointX = point.x;
767 float viewPointY = point.y;
768 float imageSizeWidth;
769 float imageSizeHeight;
770 if (imageRotationDegrees == 0 || imageRotationDegrees == 180) {
771 imageSizeWidth = imageBitmap.getWidth();
772 imageSizeHeight = imageBitmap.getHeight();
774 imageSizeWidth = imageBitmap.getHeight();
775 imageSizeHeight = imageBitmap.getWidth();
777 float viewSizeWidth = this.getWidth();
778 float viewSizeHeight = this.getHeight();
779 float ratioX = viewSizeWidth / imageSizeWidth;
780 float ratioY = viewSizeHeight / imageSizeHeight;
783 switch (imageScaleType) {
785 viewPointX *= ratioX;
786 viewPointY *= ratioY;
788 case FIT_CENTER: // go to next label.
790 scale = Math.min(ratioX, ratioY);
793 viewPointX += (viewSizeWidth - imageSizeWidth * scale) / 2.0f;
794 viewPointY += (viewSizeHeight - imageSizeHeight * scale) / 2.0f;
797 scale = Math.max(ratioX, ratioY);
800 viewPointX += (viewSizeWidth - imageSizeWidth * scale) / 2.0f;
801 viewPointY += (viewSizeHeight - imageSizeHeight * scale) / 2.0f;
804 viewPointX += viewSizeWidth / 2.0 - imageSizeWidth / 2.0f;
805 viewPointY += viewSizeHeight / 2.0 - imageSizeHeight / 2.0f;
810 return new PointF(viewPointX, viewPointY);
814 * Converts a point on view area to a point on image area.
816 * @param point A point on view area. (e.g. a touch panel view)
817 * @return A point on image area. (e.g. a live preview image)
819 private PointF convertPointFromViewArea(PointF point) {
820 if (imageBitmap == null) {
824 float imagePointX = point.x;
825 float imagePointY = point.y;
826 float imageSizeWidth;
827 float imageSizeHeight;
828 if (imageRotationDegrees == 0 || imageRotationDegrees == 180) {
829 imageSizeWidth = imageBitmap.getWidth();
830 imageSizeHeight = imageBitmap.getHeight();
832 imageSizeWidth = imageBitmap.getHeight();
833 imageSizeHeight = imageBitmap.getWidth();
835 float viewSizeWidth = this.getWidth();
836 float viewSizeHeight = this.getHeight();
837 float ratioX = viewSizeWidth / imageSizeWidth;
838 float ratioY = viewSizeHeight / imageSizeHeight;
841 switch (imageScaleType) {
843 imagePointX /= ratioX;
844 imagePointY /= ratioY;
846 case FIT_CENTER: // go to next label.
848 scale = Math.min(ratioX, ratioY);
849 imagePointX -= (viewSizeWidth - imageSizeWidth * scale) / 2.0f;
850 imagePointY -= (viewSizeHeight - imageSizeHeight * scale) / 2.0f;
851 imagePointX /= scale;
852 imagePointY /= scale;
855 scale = Math.max(ratioX, ratioY);
856 imagePointX -= (viewSizeWidth - imageSizeWidth * scale) / 2.0f;
857 imagePointY -= (viewSizeHeight - imageSizeHeight * scale) / 2.0f;
858 imagePointX /= scale;
859 imagePointY /= scale;
862 imagePointX -= (viewSizeWidth - imageSizeWidth) / 2.0f;
863 imagePointY -= (viewSizeHeight - imageSizeHeight) / 2.0f;
868 return new PointF(imagePointX, imagePointY);
872 * Converts a rectangle on image area to a rectangle on view area.
874 * @param rect A rectangle on image area. (e.g. a live preview image)
875 * @return A rectangle on view area. (e.g. a touch panel view)
877 private RectF convertRectFromImageArea(RectF rect)
879 if (imageBitmap == null)
884 PointF imageTopLeft = new PointF(rect.left, rect.top);
885 PointF imageBottomRight = new PointF(rect.right, rect.bottom);
887 PointF viewTopLeft = convertPointFromImageArea(imageTopLeft);
888 PointF viewBottomRight = convertPointFromImageArea(imageBottomRight);
890 return (new RectF(viewTopLeft.x, viewTopLeft.y, viewBottomRight.x, viewBottomRight.y));
897 public void setShowGridFrame(boolean isShowGridFeature)
899 showGridFeature = isShowGridFeature;
900 SharedPreferences preferences = android.support.v7.preference.PreferenceManager.getDefaultSharedPreferences(getContext());
901 SharedPreferences.Editor editor = preferences.edit();
902 editor.putBoolean(ICameraPropertyAccessor.SHOW_GRID_STATUS, showGridFeature);
911 public void toggleShowGridFrame()
913 setShowGridFrame(!showGridFeature);
920 public void setShowLevelGauge(boolean isShowLevelGaugeFeature)
922 Log.v(TAG, "setShowLevelGauge : " + isShowLevelGaugeFeature);
923 showLevelGaugeFeature = isShowLevelGaugeFeature;
924 SharedPreferences preferences = android.support.v7.preference.PreferenceManager.getDefaultSharedPreferences(getContext());
925 SharedPreferences.Editor editor = preferences.edit();
926 editor.putBoolean(ICameraPropertyAccessor.SHOW_LEVEL_GAUGE_STATUS, showLevelGaugeFeature);
928 ILevelGauge levelGauge = messageHolder.getLevelGauge();
929 if (levelGauge == null)
931 // デジタル水準器がとれない場合は、何もしない
932 Log.v(TAG, "setShowLevelGauge : levelGauge is null.");
935 levelGauge.updateLevelGaugeChecking(isShowLevelGaugeFeature);
943 public void toggleShowLevelGauge()
945 setShowLevelGauge(!showLevelGaugeFeature);
953 public boolean isShowLevelGauge()
955 return (showLevelGaugeFeature);
963 public boolean isShowGrid()
965 return (showGridFeature);
973 public IMessageDrawer getMessageDrawer()
975 return (messageHolder);