2014/10/16 上午 08:19:44

android Programming Glossary: mscalefactor

http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming

private ScaleGestureDetector mScaleDetector private float mScaleFactor 1.f Existing code ... public TouchImageViewSample Context context.. mPosX mPosY Matrix matrix new Matrix matrix.postScale mScaleFactor mScaleFactor pivotPointX pivotPointY canvas.setMatrix matrix.. Matrix matrix new Matrix matrix.postScale mScaleFactor mScaleFactor pivotPointX pivotPointY canvas.setMatrix matrix canvas.drawBitmap..

Image in Canvas with touch events

http://stackoverflow.com/questions/5743328/image-in-canvas-with-touch-events

private ScaleGestureDetector mScaleDetector private float mScaleFactor 1.f public MyImageView Context context this context null 0 mImage.. X mPosX Y mPosY canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor mImage.draw canvas canvas.restore private class.. canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor mImage.draw canvas canvas.restore private class ScaleListener..

Extending RelativeLayout, and overriding dispatchDraw() to create a zoomable ViewGroup

http://stackoverflow.com/questions/6378904/extending-relativelayout-and-overriding-dispatchdraw-to-create-a-zoomable-vie

canvas canvas.save Canvas.MATRIX_SAVE_FLAG canvas.scale mScaleFactor mScaleFactor super.dispatchDraw canvas canvas.restore The mScaleFactor.. Canvas.MATRIX_SAVE_FLAG canvas.scale mScaleFactor mScaleFactor super.dispatchDraw canvas canvas.restore The mScaleFactor is.. mScaleFactor super.dispatchDraw canvas canvas.restore The mScaleFactor is manipulated by a ScaleListener in the same class. It does..

Android Image View Pinch Zooming

http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming

Context context AttributeSet attrs this context attrs 0 private ScaleGestureDetector mScaleDetector private float mScaleFactor 1.f Existing code ... public TouchImageViewSample Context context AttributeSet attrs int defStyle super context attrs defStyle.. if this.getDrawable null canvas.save canvas.translate mPosX mPosY Matrix matrix new Matrix matrix.postScale mScaleFactor mScaleFactor pivotPointX pivotPointY canvas.setMatrix matrix canvas.drawBitmap BitmapDrawable this.getDrawable .getBitmap.. this.getDrawable null canvas.save canvas.translate mPosX mPosY Matrix matrix new Matrix matrix.postScale mScaleFactor mScaleFactor pivotPointX pivotPointY canvas.setMatrix matrix canvas.drawBitmap BitmapDrawable this.getDrawable .getBitmap matrix null..

Image in Canvas with touch events

http://stackoverflow.com/questions/5743328/image-in-canvas-with-touch-events

mLastTouchY private int mActivePointerId INVALID_POINTER_ID private ScaleGestureDetector mScaleDetector private float mScaleFactor 1.f public MyImageView Context context this context null 0 mImage getResources .getDrawable R.drawable.imagename mImage.setBounds.. Canvas canvas super.onDraw canvas canvas.save Log.d DEBUG X mPosX Y mPosY canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor mImage.draw canvas canvas.restore private class ScaleListener extends ScaleGestureDetector.SimpleOnScaleGestureListener.. super.onDraw canvas canvas.save Log.d DEBUG X mPosX Y mPosY canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor mImage.draw canvas canvas.restore private class ScaleListener extends ScaleGestureDetector.SimpleOnScaleGestureListener..

Extending RelativeLayout, and overriding dispatchDraw() to create a zoomable ViewGroup

http://stackoverflow.com/questions/6378904/extending-relativelayout-and-overriding-dispatchdraw-to-create-a-zoomable-vie

being overridden protected void dispatchDraw Canvas canvas canvas.save Canvas.MATRIX_SAVE_FLAG canvas.scale mScaleFactor mScaleFactor super.dispatchDraw canvas canvas.restore The mScaleFactor is manipulated by a ScaleListener in the same class... overridden protected void dispatchDraw Canvas canvas canvas.save Canvas.MATRIX_SAVE_FLAG canvas.scale mScaleFactor mScaleFactor super.dispatchDraw canvas canvas.restore The mScaleFactor is manipulated by a ScaleListener in the same class. It does.. Canvas.MATRIX_SAVE_FLAG canvas.scale mScaleFactor mScaleFactor super.dispatchDraw canvas canvas.restore The mScaleFactor is manipulated by a ScaleListener in the same class. It does actually work. I can pinch to zoom the ZoomableRelativeLayout..