2014/10/16 上午 08:11:04

android Programming Glossary: canvas.translate

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

x1 y1 PRESET_SIZE size paint canvas.save canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor mBitmapDrawable.draw..

Android Image View Pinch Zooming

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

1 backgroundPaint if this.getDrawable null canvas.save canvas.translate mPosX mPosY Matrix matrix new Matrix matrix.postScale mScaleFactor..

Vertical (rotated) label in Android

http://stackoverflow.com/questions/1258275/vertical-rotated-label-in-android

t r l @Override public void draw Canvas canvas if topDown canvas.translate getHeight 0 canvas.rotate 90 else canvas.translate 0 getWidth.. topDown canvas.translate getHeight 0 canvas.rotate 90 else canvas.translate 0 getWidth canvas.rotate 90 canvas.clipRect 0 0 getWidth getHeight.. getDrawableState canvas.save if topDown canvas.translate getWidth 0 canvas.rotate 90 else canvas.translate 0 getHeight..

Android color picker to be included in the activity

http://stackoverflow.com/questions/16363235/android-color-picker-to-be-included-in-the-activity

Canvas canvas float r CENTER_X mPaint.getStrokeWidth 0.5f canvas.translate CENTER_X CENTER_X canvas.drawOval new RectF r r r r mPaint canvas.drawCircle..

Android listview row delete animation

http://stackoverflow.com/questions/17857775/android-listview-row-delete-animation

0 0 getWidth mOpenAreaHeight canvas.save canvas.translate 0 mOpenAreaTop mShadowedBackground.draw canvas canvas.restore..

Fast Scroll display problem with ListAdapter and SectionIndexer

http://stackoverflow.com/questions/3225092/fast-scroll-display-problem-with-listadapter-and-sectionindexer

left 0 viewWidth mThumbH mChangedBounds true canvas.translate 0 y mCurrentThumb.draw canvas canvas.translate 0 y If user is.. true canvas.translate 0 y mCurrentThumb.draw canvas canvas.translate 0 y If user is dragging the scroll bar draw the alphabet overlay..

Using clipRect - explantion

http://stackoverflow.com/questions/3331805/using-cliprect-explantion

undocumented View ViewGroup drawing code I found that canvas.translate x y also adjusts the clipRect. The interaction of clipRect and..

Android custom view Bitmap memory leak

http://stackoverflow.com/questions/4197794/android-custom-view-bitmap-memory-leak

resizedBitmap space 0 null if xPos 0 yPos 0 canvas.translate xPos space position.getWidth 2 yPos position.getHeight 2 canvas.drawBitmap.. resizedBitmap.get space 0 null if xPos 0 yPos 0 canvas.translate xPos space position.get .getWidth 2 yPos position.get .getHeight..

Android: Moving background image while navigating through Views

http://stackoverflow.com/questions/4775650/android-moving-background-image-while-navigating-through-views

Draw background image at its current locations canvas.save canvas.translate X 0 background.draw canvas canvas.restore ViewFlipper.java..

Image in Canvas with touch events

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

canvas canvas.save Log.d DEBUG X mPosX Y mPosY canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor mImage.draw..

Pinch Zoom in android for an imageview?

http://stackoverflow.com/questions/6758847/pinch-zoom-in-android-for-an-imageview

canvas canvas.save Log.d DEBUG X mPosX Y mPosY canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor mImage.draw..

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

void onDraw Canvas canvas super.onDraw canvas canvas.save canvas.translate mPosX mPosY canvas.scale mScaleFactor mScaleFactor super.getWidth..

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

void onDraw Canvas canvas super.onDraw canvas canvas.save canvas.translate mCenterScaleX mCenterScaleY canvas.scale mScaleFactor mScaleFactor.. mCenterScaleY canvas.scale mScaleFactor mScaleFactor canvas.translate mCenterScaleX mCenterScaleY mIcon.draw canvas canvas.restore..

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

pressure 8 int 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..

Android Image View Pinch Zooming

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

onDraw Canvas canvas canvas.drawRect 0 0 getWidth 1 getHeight 1 backgroundPaint if this.getDrawable null canvas.save canvas.translate mPosX mPosY Matrix matrix new Matrix matrix.postScale mScaleFactor mScaleFactor pivotPointX pivotPointY canvas.setMatrix..

Vertical (rotated) label in Android

http://stackoverflow.com/questions/1258275/vertical-rotated-label-in-android

int l int t int r int b return super.setFrame l t l b t t r l @Override public void draw Canvas canvas if topDown canvas.translate getHeight 0 canvas.rotate 90 else canvas.translate 0 getWidth canvas.rotate 90 canvas.clipRect 0 0 getWidth getHeight android.graphics.Region.Op.REPLACE.. l t l b t t r l @Override public void draw Canvas canvas if topDown canvas.translate getHeight 0 canvas.rotate 90 else canvas.translate 0 getWidth canvas.rotate 90 canvas.clipRect 0 0 getWidth getHeight android.graphics.Region.Op.REPLACE super.draw canvas.. getPaint textPaint.setColor getCurrentTextColor textPaint.drawableState getDrawableState canvas.save if topDown canvas.translate getWidth 0 canvas.rotate 90 else canvas.translate 0 getHeight canvas.rotate 90 canvas.translate getCompoundPaddingLeft..

Android color picker to be included in the activity

http://stackoverflow.com/questions/16363235/android-color-picker-to-be-included-in-the-activity

boolean mHighlightCenter @Override protected void onDraw Canvas canvas float r CENTER_X mPaint.getStrokeWidth 0.5f canvas.translate CENTER_X CENTER_X canvas.drawOval new RectF r r r r mPaint canvas.drawCircle 0 0 CENTER_RADIUS mCenterPaint if mTrackingCenter..

Android listview row delete animation

http://stackoverflow.com/questions/17857775/android-listview-row-delete-animation

Canvas canvas if mShowing if mUpdateBounds mShadowedBackground.setBounds 0 0 getWidth mOpenAreaHeight canvas.save canvas.translate 0 mOpenAreaTop mShadowedBackground.draw canvas canvas.restore Layout files LinearLayout xmlns android http schemas.android.com..

Fast Scroll display problem with ListAdapter and SectionIndexer

http://stackoverflow.com/questions/3225092/fast-scroll-display-problem-with-listadapter-and-sectionindexer

viewWidth mThumbW alpha ScrollFade.ALPHA_MAX mCurrentThumb.setBounds left 0 viewWidth mThumbH mChangedBounds true canvas.translate 0 y mCurrentThumb.draw canvas canvas.translate 0 y If user is dragging the scroll bar draw the alphabet overlay if mDragging.. mCurrentThumb.setBounds left 0 viewWidth mThumbH mChangedBounds true canvas.translate 0 y mCurrentThumb.draw canvas canvas.translate 0 y If user is dragging the scroll bar draw the alphabet overlay if mDragging mDrawOverlay mOverlayDrawable.draw canvas..

Using clipRect - explantion

http://stackoverflow.com/questions/3331805/using-cliprect-explantion

Another note after long frustration with the apparently largely undocumented View ViewGroup drawing code I found that canvas.translate x y also adjusts the clipRect. The interaction of clipRect and the drawing matrix is very confusing. It is helpful to print..

Android custom view Bitmap memory leak

http://stackoverflow.com/questions/4197794/android-custom-view-bitmap-memory-leak

protected void onDraw Canvas canvas if mapBitmap null canvas.drawBitmap resizedBitmap space 0 null if xPos 0 yPos 0 canvas.translate xPos space position.getWidth 2 yPos position.getHeight 2 canvas.drawBitmap position new Matrix new Paint public void updatePosition.. void onDraw Canvas canvas if mapBitmap null canvas.drawBitmap resizedBitmap.get space 0 null if xPos 0 yPos 0 canvas.translate xPos space position.get .getWidth 2 yPos position.get .getHeight 2 canvas.drawBitmap position.get new Matrix null public..

Android: Moving background image while navigating through Views

http://stackoverflow.com/questions/4775650/android-moving-background-image-while-navigating-through-views

the scrolling X scroll 5 scroll BadScrollHelp.getScrollX Draw background image at its current locations canvas.save canvas.translate X 0 background.draw canvas canvas.restore ViewFlipper.java package de.android.projects import android.content.Context import..

Image in Canvas with touch events

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

return true @Override public 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..

Pinch Zoom in android for an imageview?

http://stackoverflow.com/questions/6758847/pinch-zoom-in-android-for-an-imageview

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

Also I'm new bee. Here 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..

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

the centre ands draw's the image to it. @Override public void onDraw Canvas canvas super.onDraw canvas canvas.save canvas.translate mCenterScaleX mCenterScaleY canvas.scale mScaleFactor mScaleFactor canvas.translate mCenterScaleX mCenterScaleY mIcon.draw.. 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 when scaling from ScaleFactor 1 this is..