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2014/10/16 ¤W¤È 08:11:04
android Programming Glossary: canvas.scaleAndroid - zoom in/out RelativeLayout with spread/pinch http://stackoverflow.com/questions/10013906/android-zoom-in-out-relativelayout-with-spread-pinch Canvas canvas canvas.save Canvas.MATRIX_SAVE_FLAG canvas.scale mScaleFactor mScaleFactor mPivotX mPivotY super.dispatchDraw..
Draw Rectangle Over ImageView for highlight that can be zoom in-out in android http://stackoverflow.com/questions/10482229/draw-rectangle-over-imageview-for-highlight-that-can-be-zoom-in-out-in-android size paint canvas.save canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor mBitmapDrawable.draw canvas Paint.. void onDraw Canvas canvas super.onDraw canvas canvas.save canvas.scale mScale mScale mCanvasMatrix canvas.getMatrix Paint myPaint new..
How to add a Marker/Pin on an ImageView Android? http://stackoverflow.com/questions/13679189/how-to-add-a-marker-pin-on-an-imageview-android 0.0f canvas.rotate rotation if adjustedScale 1.0f canvas.scale adjustedScale adjustedScale drawable.draw canvas canvas.restore..
Android 4.2.1 wrong character kerning (spacing) http://stackoverflow.com/questions/13974129/android-4-2-1-wrong-character-kerning-spacing 1.5f then in onDraw method canvas.save canvas.scale 0.01f 0.01f canvas.drawText i 0.5f 100 0.8f 100 scalePaint ..
http://stackoverflow.com/questions/1830391/rotate-mapview-in-android centerY h 2.0f canvas.rotate bearing centerX centerY canvas.scale scaleFactor scaleFactor centerX centerY super.dispatchDraw..
Rotate View Hierarchy 90 degrees http://stackoverflow.com/questions/3444764/rotate-view-hierarchy-90-degrees getHeight getWidth float scaleY float getWidth getHeight canvas.scale scaleX scaleY getWidth 2 getHeight 2 mForward canvas.getMatrix..
Draw smoothly scaled bitmaps on Canvas http://stackoverflow.com/questions/4294102/draw-smoothly-scaled-bitmaps-on-canvas how I draw Bitmap on Canvas in my Android app canvas.save canvas.scale scale scale x y canvas.drawBitmap bitmap x y null canvas.restore..
http://stackoverflow.com/questions/5216658/pinch-zoom-for-custom-view void onDraw Canvas canvas super.onDraw canvas canvas.save canvas.scale mScaleFactor mScaleFactor ... Your onDraw code ... canvas.restore..
Image in Canvas with touch events http://stackoverflow.com/questions/5743328/image-in-canvas-with-touch-events Log.d DEBUG X mPosX Y mPosY canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor mImage.draw canvas canvas.restore..
can we use scale gesture detector for pinch zoom in android http://stackoverflow.com/questions/5790503/can-we-use-scale-gesture-detector-for-pinch-zoom-in-android Log.d DEBUG X mPosX Y mPosY canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor mImage.draw canvas canvas.restore..
http://stackoverflow.com/questions/6129520/android-merge-two-images bmp2 .getHeight bmp2.getConfig Canvas cs new Canvas bmp2 canvas.scale float 0.5 float 0.5 canvas.drawBitmap bmp2 new Matrix null canvas.drawBitmap..
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 canvas.save Canvas.MATRIX_SAVE_FLAG canvas.scale mScaleFactor mScaleFactor super.dispatchDraw canvas canvas.restore..
Pinch Zoom in android for an imageview? http://stackoverflow.com/questions/6758847/pinch-zoom-in-android-for-an-imageview Log.d DEBUG X mPosX Y mPosY canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor mImage.draw canvas canvas.restore..
Android Bitmap/Canvas offset after scale http://stackoverflow.com/questions/6835224/android-bitmap-canvas-offset-after-scale bmLargeImage srcRect destRect paint and I scale the bitmap canvas.scale 1.5f 1.5f 450 250 I want to get the position of the Bitmap after.. Ok lets try to work out the best formula for this canvas.scale scaleX scaleY pivotX pivotY if scaleX 1 objectNewX objectOldX..
Get Canvas coordinates after scaling up/down or dragging in android http://stackoverflow.com/questions/7524843/get-canvas-coordinates-after-scaling-up-down-or-dragging-in-android canvas canvas.save canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor super.getWidth 0.5f super.getHeight..
How to find absolute position of click while zoomed in http://stackoverflow.com/questions/8180442/how-to-find-absolute-position-of-click-while-zoomed-in canvas.save canvas.translate mCenterScaleX mCenterScaleY canvas.scale mScaleFactor mScaleFactor canvas.translate mCenterScaleX mCenterScaleY..
Is it possible to set an animated gif file as live wallpaper in android? http://stackoverflow.com/questions/9158310/is-it-possible-to-set-an-animated-gif-file-as-live-wallpaper-in-android mNyanDuration void nyanNyan Canvas canvas canvas.save canvas.scale mScaleX mScaleY mNyan.setTime mWhen mNyan.draw canvas 0 0 canvas.restore..
Clickable area after Scaling with respect to positions of touch event? [duplicate] http://stackoverflow.com/questions/9989170/clickable-area-after-scaling-with-respect-to-positions-of-touch-event canvas.save canvas.translate mCenterScaleX mCenterScaleY canvas.scale mScaleFactor mScaleFactor canvas.translate mCenterScaleX mCenterScaleY..
Android - zoom in/out RelativeLayout with spread/pinch http://stackoverflow.com/questions/10013906/android-zoom-in-out-relativelayout-with-spread-pinch TODO Auto generated constructor stub protected void dispatchDraw Canvas canvas canvas.save Canvas.MATRIX_SAVE_FLAG canvas.scale mScaleFactor mScaleFactor mPivotX mPivotY super.dispatchDraw canvas canvas.restore public void scale float scaleFactor float..
Draw Rectangle Over ImageView for highlight that can be zoom in-out in android http://stackoverflow.com/questions/10482229/draw-rectangle-over-imageview-for-highlight-that-can-be-zoom-in-out-in-android PRESET_PRESSURE pressure mCanvas.drawCircle x1 y1 PRESET_SIZE size paint canvas.save canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor mBitmapDrawable.draw canvas Paint myPaint new Paint myPaint.setColor Color.GREEN myPaint.setStyle.. ImageView implements OnTouchListener @Override protected void onDraw Canvas canvas super.onDraw canvas canvas.save canvas.scale mScale mScale mCanvasMatrix canvas.getMatrix Paint myPaint new Paint myPaint.setColor Color.GREEN myPaint.setStyle Paint.Style.STROKE..
How to add a Marker/Pin on an ImageView Android? http://stackoverflow.com/questions/13679189/how-to-add-a-marker-pin-on-an-imageview-android adjustedScale scale scaleAdjust canvas.translate x y if rotation 0.0f canvas.rotate rotation if adjustedScale 1.0f canvas.scale adjustedScale adjustedScale drawable.draw canvas canvas.restore if drawLock.availablePermits 0 drawLock.release add..
Android 4.2.1 wrong character kerning (spacing) http://stackoverflow.com/questions/13974129/android-4-2-1-wrong-character-kerning-spacing this question Workaround that I'm currently using scalePaint.setTextSize 1.5f then in onDraw method canvas.save canvas.scale 0.01f 0.01f canvas.drawText i 0.5f 100 0.8f 100 scalePaint canvas.restore As you can see I'm rescaling back the position..
http://stackoverflow.com/questions/1830391/rotate-mapview-in-android h h w w Math.min w h final float centerX w 2.0f final float centerY h 2.0f canvas.rotate bearing centerX centerY canvas.scale scaleFactor scaleFactor centerX centerY super.dispatchDraw canvas canvas.restore android google maps map rotation android..
Rotate View Hierarchy 90 degrees http://stackoverflow.com/questions/3444764/rotate-view-hierarchy-90-degrees new screen size. This is not what I want. float scaleX float getHeight getWidth float scaleY float getWidth getHeight canvas.scale scaleX scaleY getWidth 2 getHeight 2 mForward canvas.getMatrix mForward.invert mReverse canvas.save canvas.setMatrix mForward..
Draw smoothly scaled bitmaps on Canvas http://stackoverflow.com/questions/4294102/draw-smoothly-scaled-bitmaps-on-canvas smoothly scaled bitmaps on Canvas This is how I draw Bitmap on Canvas in my Android app canvas.save canvas.scale scale scale x y canvas.drawBitmap bitmap x y null canvas.restore However the Bitmap is not scaled smoothly no antialiasing..
http://stackoverflow.com/questions/5216658/pinch-zoom-for-custom-view mScaleDetector.onTouchEvent ev return true @Override public void onDraw Canvas canvas super.onDraw canvas canvas.save canvas.scale mScaleFactor mScaleFactor ... Your onDraw code ... canvas.restore private class ScaleListener extends ScaleGestureDetector.SimpleOnScaleGestureListener..
Image in Canvas with touch events http://stackoverflow.com/questions/5743328/image-in-canvas-with-touch-events void onDraw 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..
can we use scale gesture detector for pinch zoom in android http://stackoverflow.com/questions/5790503/can-we-use-scale-gesture-detector-for-pinch-zoom-in-android void onDraw 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..
http://stackoverflow.com/questions/6129520/android-merge-two-images 10 null Bitmap bmOverlay Bitmap.createBitmap bmp2.getWidth bmp2 .getHeight bmp2.getConfig Canvas cs new Canvas bmp2 canvas.scale float 0.5 float 0.5 canvas.drawBitmap bmp2 new Matrix null canvas.drawBitmap bmp1 new Matrix null canvas.save I got it working..
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 with dispatchDraw 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..
Pinch Zoom in android for an imageview? http://stackoverflow.com/questions/6758847/pinch-zoom-in-android-for-an-imageview void onDraw 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..
Android Bitmap/Canvas offset after scale http://stackoverflow.com/questions/6835224/android-bitmap-canvas-offset-after-scale canvas on which I draw a Bitmap like this canvas.drawBitmap bmLargeImage srcRect destRect paint and I scale the bitmap canvas.scale 1.5f 1.5f 450 250 I want to get the position of the Bitmap after the scale. If the position before scale was 0 0 after scale.. java android graphics android canvas share improve this question Ok lets try to work out the best formula for this canvas.scale scaleX scaleY pivotX pivotY if scaleX 1 objectNewX objectOldX objectOldX pivotX scaleX 1 else objectNewX objectOldX objectOldX..
Get Canvas coordinates after scaling up/down or dragging in android http://stackoverflow.com/questions/7524843/get-canvas-coordinates-after-scaling-up-down-or-dragging-in-android is the code. @Override public void onDraw Canvas canvas super.onDraw canvas canvas.save canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor super.getWidth 0.5f super.getHeight 0.5f mIcon.draw canvas for Path path listPath canvas.drawPath..
How to find absolute position of click while zoomed in http://stackoverflow.com/questions/8180442/how-to-find-absolute-position-of-click-while-zoomed-in public void onDraw Canvas canvas super.onDraw canvas canvas.save canvas.translate mCenterScaleX mCenterScaleY canvas.scale mScaleFactor mScaleFactor canvas.translate mCenterScaleX mCenterScaleY mIcon.draw canvas canvas.restore This all works fine..
Is it possible to set an animated gif file as live wallpaper in android? http://stackoverflow.com/questions/9158310/is-it-possible-to-set-an-animated-gif-file-as-live-wallpaper-in-android long mDiff SystemClock.uptimeMillis mStart mWhen int mDiff mNyanDuration void nyanNyan Canvas canvas canvas.save canvas.scale mScaleX mScaleY mNyan.setTime mWhen mNyan.draw canvas 0 0 canvas.restore This will basically scale the nyan nyan cat to..
Clickable area after Scaling with respect to positions of touch event? [duplicate] http://stackoverflow.com/questions/9989170/clickable-area-after-scaling-with-respect-to-positions-of-touch-event public void onDraw Canvas canvas super.onDraw canvas canvas.save canvas.translate mCenterScaleX mCenterScaleY canvas.scale mScaleFactor mScaleFactor canvas.translate mCenterScaleX mCenterScaleY mIcon.draw canvas canvas.restore This all works fine..
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