com.yalantis.ucrop.view

Class TransformImageView

java.lang.Object

android.view.View

android.widget.ImageView

com.yalantis.ucrop.view.TransformImageView

All Implemented Interfaces:

android.graphics.drawable.Drawable.Callback, android.view.accessibility.AccessibilityEventSource, android.view.KeyEvent.Callback

Direct Known Subclasses:

CropImageView

public class TransformImageView
extends android.widget.ImageView

Created by Oleksii Shliama (https://github.com/shliama).

This class provides base logic to setup the image, transform it with matrix (move, scale, rotate), and methods to get current matrix state.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	TransformImageView.TransformImageListener Interface for rotation and scale change notifying.

Nested classes/interfaces inherited from class android.widget.ImageView

android.widget.ImageView.ScaleType

Nested classes/interfaces inherited from class android.view.View

android.view.View.AccessibilityDelegate, android.view.View.BaseSavedState, android.view.View.DragShadowBuilder, android.view.View.MeasureSpec, android.view.View.OnApplyWindowInsetsListener, android.view.View.OnAttachStateChangeListener, android.view.View.OnClickListener, android.view.View.OnContextClickListener, android.view.View.OnCreateContextMenuListener, android.view.View.OnDragListener, android.view.View.OnFocusChangeListener, android.view.View.OnGenericMotionListener, android.view.View.OnHoverListener, android.view.View.OnKeyListener, android.view.View.OnLayoutChangeListener, android.view.View.OnLongClickListener, android.view.View.OnScrollChangeListener, android.view.View.OnSystemUiVisibilityChangeListener, android.view.View.OnTouchListener

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	mBitmapDecoded
protected boolean	mBitmapLaidOut
protected float[]	mCurrentImageCenter
protected float[]	mCurrentImageCorners
protected android.graphics.Matrix	mCurrentImageMatrix
protected int	mThisHeight
protected int	mThisWidth
protected TransformImageView.TransformImageListener	mTransformImageListener

Fields inherited from class android.view.View

ACCESSIBILITY_LIVE_REGION_ASSERTIVE, ACCESSIBILITY_LIVE_REGION_NONE, ACCESSIBILITY_LIVE_REGION_POLITE, ALPHA, DRAG_FLAG_GLOBAL, DRAG_FLAG_GLOBAL_PERSISTABLE_URI_PERMISSION, DRAG_FLAG_GLOBAL_PREFIX_URI_PERMISSION, DRAG_FLAG_GLOBAL_URI_READ, DRAG_FLAG_GLOBAL_URI_WRITE, DRAG_FLAG_OPAQUE, DRAWING_CACHE_QUALITY_AUTO, DRAWING_CACHE_QUALITY_HIGH, DRAWING_CACHE_QUALITY_LOW, EMPTY_STATE_SET, ENABLED_FOCUSED_SELECTED_STATE_SET, ENABLED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, ENABLED_FOCUSED_STATE_SET, ENABLED_FOCUSED_WINDOW_FOCUSED_STATE_SET, ENABLED_SELECTED_STATE_SET, ENABLED_SELECTED_WINDOW_FOCUSED_STATE_SET, ENABLED_STATE_SET, ENABLED_WINDOW_FOCUSED_STATE_SET, FIND_VIEWS_WITH_CONTENT_DESCRIPTION, FIND_VIEWS_WITH_TEXT, FOCUS_BACKWARD, FOCUS_DOWN, FOCUS_FORWARD, FOCUS_LEFT, FOCUS_RIGHT, FOCUS_UP, FOCUSABLES_ALL, FOCUSABLES_TOUCH_MODE, FOCUSED_SELECTED_STATE_SET, FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, FOCUSED_STATE_SET, FOCUSED_WINDOW_FOCUSED_STATE_SET, GONE, HAPTIC_FEEDBACK_ENABLED, IMPORTANT_FOR_ACCESSIBILITY_AUTO, IMPORTANT_FOR_ACCESSIBILITY_NO, IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS, IMPORTANT_FOR_ACCESSIBILITY_YES, INVISIBLE, KEEP_SCREEN_ON, LAYER_TYPE_HARDWARE, LAYER_TYPE_NONE, LAYER_TYPE_SOFTWARE, LAYOUT_DIRECTION_INHERIT, LAYOUT_DIRECTION_LOCALE, LAYOUT_DIRECTION_LTR, LAYOUT_DIRECTION_RTL, MEASURED_HEIGHT_STATE_SHIFT, MEASURED_SIZE_MASK, MEASURED_STATE_MASK, MEASURED_STATE_TOO_SMALL, NO_ID, OVER_SCROLL_ALWAYS, OVER_SCROLL_IF_CONTENT_SCROLLS, OVER_SCROLL_NEVER, PRESSED_ENABLED_FOCUSED_SELECTED_STATE_SET, PRESSED_ENABLED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_ENABLED_FOCUSED_STATE_SET, PRESSED_ENABLED_FOCUSED_WINDOW_FOCUSED_STATE_SET, PRESSED_ENABLED_SELECTED_STATE_SET, PRESSED_ENABLED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_ENABLED_STATE_SET, PRESSED_ENABLED_WINDOW_FOCUSED_STATE_SET, PRESSED_FOCUSED_SELECTED_STATE_SET, PRESSED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_FOCUSED_STATE_SET, PRESSED_FOCUSED_WINDOW_FOCUSED_STATE_SET, PRESSED_SELECTED_STATE_SET, PRESSED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_STATE_SET, PRESSED_WINDOW_FOCUSED_STATE_SET, ROTATION, ROTATION_X, ROTATION_Y, SCALE_X, SCALE_Y, SCREEN_STATE_OFF, SCREEN_STATE_ON, SCROLL_AXIS_HORIZONTAL, SCROLL_AXIS_NONE, SCROLL_AXIS_VERTICAL, SCROLL_INDICATOR_BOTTOM, SCROLL_INDICATOR_END, SCROLL_INDICATOR_LEFT, SCROLL_INDICATOR_RIGHT, SCROLL_INDICATOR_START, SCROLL_INDICATOR_TOP, SCROLLBAR_POSITION_DEFAULT, SCROLLBAR_POSITION_LEFT, SCROLLBAR_POSITION_RIGHT, SCROLLBARS_INSIDE_INSET, SCROLLBARS_INSIDE_OVERLAY, SCROLLBARS_OUTSIDE_INSET, SCROLLBARS_OUTSIDE_OVERLAY, SELECTED_STATE_SET, SELECTED_WINDOW_FOCUSED_STATE_SET, SOUND_EFFECTS_ENABLED, STATUS_BAR_HIDDEN, STATUS_BAR_VISIBLE, SYSTEM_UI_FLAG_FULLSCREEN, SYSTEM_UI_FLAG_HIDE_NAVIGATION, SYSTEM_UI_FLAG_IMMERSIVE, SYSTEM_UI_FLAG_IMMERSIVE_STICKY, SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN, SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION, SYSTEM_UI_FLAG_LAYOUT_STABLE, SYSTEM_UI_FLAG_LIGHT_STATUS_BAR, SYSTEM_UI_FLAG_LOW_PROFILE, SYSTEM_UI_FLAG_VISIBLE, SYSTEM_UI_LAYOUT_FLAGS, TEXT_ALIGNMENT_CENTER, TEXT_ALIGNMENT_GRAVITY, TEXT_ALIGNMENT_INHERIT, TEXT_ALIGNMENT_TEXT_END, TEXT_ALIGNMENT_TEXT_START, TEXT_ALIGNMENT_VIEW_END, TEXT_ALIGNMENT_VIEW_START, TEXT_DIRECTION_ANY_RTL, TEXT_DIRECTION_FIRST_STRONG, TEXT_DIRECTION_FIRST_STRONG_LTR, TEXT_DIRECTION_FIRST_STRONG_RTL, TEXT_DIRECTION_INHERIT, TEXT_DIRECTION_LOCALE, TEXT_DIRECTION_LTR, TEXT_DIRECTION_RTL, TRANSLATION_X, TRANSLATION_Y, TRANSLATION_Z, VIEW_LOG_TAG, VISIBLE, WINDOW_FOCUSED_STATE_SET, X, Y, Z

Constructor Summary

Constructors

Constructor and Description
TransformImageView(android.content.Context context)
TransformImageView(android.content.Context context, android.util.AttributeSet attrs)
TransformImageView(android.content.Context context, android.util.AttributeSet attrs, int defStyle)

Method Summary

Modifier and Type	Method and Description
float	getCurrentAngle()
float	getCurrentScale()
ExifInfo	getExifInfo()
java.lang.String	getImageInputPath()
java.lang.String	getImageOutputPath()
float	getMatrixAngle(android.graphics.Matrix matrix) This method calculates rotation angle for given Matrix object.
float	getMatrixScale(android.graphics.Matrix matrix) This method calculates scale value for given Matrix object.
protected float	getMatrixValue(android.graphics.Matrix matrix, int valueIndex) This method returns Matrix value for given index.
int	getMaxBitmapSize()
android.graphics.Bitmap	getViewBitmap()
protected void	init()
protected void	onImageLaidOut() When image is laid out mInitialImageCenter and mInitialImageCenter must be set.
protected void	onLayout(boolean changed, int left, int top, int right, int bottom)
void	postRotate(float deltaAngle, float px, float py) This method rotates current image.
void	postScale(float deltaScale, float px, float py) This method scales current image.
void	postTranslate(float deltaX, float deltaY) This method translates current image.
protected void	printMatrix(java.lang.String logPrefix, android.graphics.Matrix matrix) This method logs given matrix X, Y, scale, and angle values.
void	setImageBitmap(android.graphics.Bitmap bitmap)
void	setImageMatrix(android.graphics.Matrix matrix)
void	setImageUri(android.net.Uri imageUri, android.net.Uri outputUri) This method takes an Uri as a parameter, then calls method to decode it into Bitmap with specified size.
void	setMaxBitmapSize(int maxBitmapSize) Setter for mMaxBitmapSize value.
void	setScaleType(android.widget.ImageView.ScaleType scaleType)
void	setTransformImageListener(TransformImageView.TransformImageListener transformImageListener)

Methods inherited from class android.widget.ImageView

clearColorFilter, drawableHotspotChanged, drawableStateChanged, getAccessibilityClassName, getAdjustViewBounds, getBaseline, getBaselineAlignBottom, getColorFilter, getCropToPadding, getDrawable, getImageAlpha, getImageMatrix, getImageTintList, getImageTintMode, getMaxHeight, getMaxWidth, getScaleType, hasOverlappingRendering, invalidateDrawable, isOpaque, jumpDrawablesToCurrentState, onAttachedToWindow, onCreateDrawableState, onDetachedFromWindow, onDraw, onMeasure, onRtlPropertiesChanged, onVisibilityAggregated, setAdjustViewBounds, setAlpha, setBaseline, setBaselineAlignBottom, setColorFilter, setColorFilter, setColorFilter, setCropToPadding, setFrame, setImageAlpha, setImageDrawable, setImageIcon, setImageLevel, setImageResource, setImageState, setImageTintList, setImageTintMode, setImageURI, setMaxHeight, setMaxWidth, setSelected, setVisibility, verifyDrawable

Methods inherited from class android.view.View

addChildrenForAccessibility, addFocusables, addFocusables, addOnAttachStateChangeListener, addOnLayoutChangeListener, addTouchables, animate, announceForAccessibility, awakenScrollBars, awakenScrollBars, awakenScrollBars, bringToFront, buildDrawingCache, buildDrawingCache, buildLayer, callOnClick, cancelDragAndDrop, cancelLongPress, cancelPendingInputEvents, canResolveLayoutDirection, canResolveTextAlignment, canResolveTextDirection, canScrollHorizontally, canScrollVertically, checkInputConnectionProxy, clearAnimation, clearFocus, combineMeasuredStates, computeHorizontalScrollExtent, computeHorizontalScrollOffset, computeHorizontalScrollRange, computeScroll, computeSystemWindowInsets, computeVerticalScrollExtent, computeVerticalScrollOffset, computeVerticalScrollRange, createAccessibilityNodeInfo, createContextMenu, destroyDrawingCache, dispatchApplyWindowInsets, dispatchConfigurationChanged, dispatchDisplayHint, dispatchDragEvent, dispatchDraw, dispatchDrawableHotspotChanged, dispatchFinishTemporaryDetach, dispatchGenericFocusedEvent, dispatchGenericMotionEvent, dispatchGenericPointerEvent, dispatchHoverEvent, dispatchKeyEvent, dispatchKeyEventPreIme, dispatchKeyShortcutEvent, dispatchNestedFling, dispatchNestedPreFling, dispatchNestedPrePerformAccessibilityAction, dispatchNestedPreScroll, dispatchNestedScroll, dispatchPopulateAccessibilityEvent, dispatchProvideStructure, dispatchRestoreInstanceState, dispatchSaveInstanceState, dispatchSetActivated, dispatchSetPressed, dispatchSetSelected, dispatchStartTemporaryDetach, dispatchSystemUiVisibilityChanged, dispatchTouchEvent, dispatchTrackballEvent, dispatchUnhandledMove, dispatchVisibilityChanged, dispatchWindowFocusChanged, dispatchWindowSystemUiVisiblityChanged, dispatchWindowVisibilityChanged, draw, findFocus, findViewById, findViewsWithText, findViewWithTag, fitSystemWindows, focusSearch, forceHasOverlappingRendering, forceLayout, generateViewId, getAccessibilityLiveRegion, getAccessibilityNodeProvider, getAccessibilityTraversalAfter, getAccessibilityTraversalBefore, getAlpha, getAnimation, getApplicationWindowToken, getBackground, getBackgroundTintList, getBackgroundTintMode, getBottom, getBottomFadingEdgeStrength, getBottomPaddingOffset, getCameraDistance, getClipBounds, getClipBounds, getClipToOutline, getContentDescription, getContext, getContextMenuInfo, getDefaultSize, getDisplay, getDrawableState, getDrawingCache, getDrawingCache, getDrawingCacheBackgroundColor, getDrawingCacheQuality, getDrawingRect, getDrawingTime, getElevation, getFilterTouchesWhenObscured, getFitsSystemWindows, getFocusables, getFocusedRect, getForeground, getForegroundGravity, getForegroundTintList, getForegroundTintMode, getGlobalVisibleRect, getGlobalVisibleRect, getHandler, getHasOverlappingRendering, getHeight, getHitRect, getHorizontalFadingEdgeLength, getHorizontalScrollbarHeight, getId, getImportantForAccessibility, getKeepScreenOn, getKeyDispatcherState, getLabelFor, getLayerType, getLayoutDirection, getLayoutParams, getLeft, getLeftFadingEdgeStrength, getLeftPaddingOffset, getLocalVisibleRect, getLocationInWindow, getLocationOnScreen, getMatrix, getMeasuredHeight, getMeasuredHeightAndState, getMeasuredState, getMeasuredWidth, getMeasuredWidthAndState, getMinimumHeight, getMinimumWidth, getNextFocusDownId, getNextFocusForwardId, getNextFocusLeftId, getNextFocusRightId, getNextFocusUpId, getOnFocusChangeListener, getOutlineProvider, getOverlay, getOverScrollMode, getPaddingBottom, getPaddingEnd, getPaddingLeft, getPaddingRight, getPaddingStart, getPaddingTop, getParent, getParentForAccessibility, getPivotX, getPivotY, getPointerIcon, getResources, getRevealOnFocusHint, getRight, getRightFadingEdgeStrength, getRightPaddingOffset, getRootView, getRootWindowInsets, getRotation, getRotationX, getRotationY, getScaleX, getScaleY, getScrollBarDefaultDelayBeforeFade, getScrollBarFadeDuration, getScrollBarSize, getScrollBarStyle, getScrollIndicators, getScrollX, getScrollY, getSolidColor, getStateListAnimator, getSuggestedMinimumHeight, getSuggestedMinimumWidth, getSystemUiVisibility, getTag, getTag, getTextAlignment, getTextDirection, getTop, getTopFadingEdgeStrength, getTopPaddingOffset, getTouchables, getTouchDelegate, getTransitionName, getTranslationX, getTranslationY, getTranslationZ, getVerticalFadingEdgeLength, getVerticalScrollbarPosition, getVerticalScrollbarWidth, getViewTreeObserver, getVisibility, getWidth, getWindowAttachCount, getWindowId, getWindowSystemUiVisibility, getWindowToken, getWindowVisibility, getWindowVisibleDisplayFrame, getX, getY, getZ, hasFocus, hasFocusable, hasNestedScrollingParent, hasOnClickListeners, hasTransientState, hasWindowFocus, inflate, invalidate, invalidate, invalidate, invalidateOutline, isAccessibilityFocused, isActivated, isAttachedToWindow, isClickable, isContextClickable, isDirty, isDrawingCacheEnabled, isDuplicateParentStateEnabled, isEnabled, isFocusable, isFocusableInTouchMode, isFocused, isHapticFeedbackEnabled, isHardwareAccelerated, isHorizontalFadingEdgeEnabled, isHorizontalScrollBarEnabled, isHovered, isImportantForAccessibility, isInEditMode, isInLayout, isInTouchMode, isLaidOut, isLayoutDirectionResolved, isLayoutRequested, isLongClickable, isNestedScrollingEnabled, isPaddingOffsetRequired, isPaddingRelative, isPressed, isSaveEnabled, isSaveFromParentEnabled, isScrollbarFadingEnabled, isScrollContainer, isSelected, isShown, isSoundEffectsEnabled, isTemporarilyDetached, isTextAlignmentResolved, isTextDirectionResolved, isVerticalFadingEdgeEnabled, isVerticalScrollBarEnabled, layout, measure, mergeDrawableStates, offsetLeftAndRight, offsetTopAndBottom, onAnimationEnd, onAnimationStart, onApplyWindowInsets, onCancelPendingInputEvents, onCheckIsTextEditor, onConfigurationChanged, onCreateContextMenu, onCreateInputConnection, onDisplayHint, onDragEvent, onDrawForeground, onDrawScrollBars, onFilterTouchEventForSecurity, onFinishInflate, onFinishTemporaryDetach, onFocusChanged, onGenericMotionEvent, onHoverChanged, onHoverEvent, onInitializeAccessibilityEvent, onInitializeAccessibilityNodeInfo, onKeyDown, onKeyLongPress, onKeyMultiple, onKeyPreIme, onKeyShortcut, onKeyUp, onOverScrolled, onPopulateAccessibilityEvent, onProvideStructure, onProvideVirtualStructure, onResolvePointerIcon, onRestoreInstanceState, onSaveInstanceState, onScreenStateChanged, onScrollChanged, onSetAlpha, onSizeChanged, onStartTemporaryDetach, onTouchEvent, onTrackballEvent, onVisibilityChanged, onWindowFocusChanged, onWindowSystemUiVisibilityChanged, onWindowVisibilityChanged, overScrollBy, performAccessibilityAction, performClick, performContextClick, performContextClick, performHapticFeedback, performHapticFeedback, performLongClick, performLongClick, playSoundEffect, post, postDelayed, postInvalidate, postInvalidate, postInvalidateDelayed, postInvalidateDelayed, postInvalidateOnAnimation, postInvalidateOnAnimation, postOnAnimation, postOnAnimationDelayed, refreshDrawableState, removeCallbacks, removeOnAttachStateChangeListener, removeOnLayoutChangeListener, requestApplyInsets, requestFitSystemWindows, requestFocus, requestFocus, requestFocus, requestFocusFromTouch, requestLayout, requestRectangleOnScreen, requestRectangleOnScreen, requestUnbufferedDispatch, resolveSize, resolveSizeAndState, restoreHierarchyState, saveHierarchyState, scheduleDrawable, scrollBy, scrollTo, sendAccessibilityEvent, sendAccessibilityEventUnchecked, setAccessibilityDelegate, setAccessibilityLiveRegion, setAccessibilityTraversalAfter, setAccessibilityTraversalBefore, setActivated, setAlpha, setAnimation, setBackground, setBackgroundColor, setBackgroundDrawable, setBackgroundResource, setBackgroundTintList, setBackgroundTintMode, setBottom, setCameraDistance, setClickable, setClipBounds, setClipToOutline, setContentDescription, setContextClickable, setDrawingCacheBackgroundColor, setDrawingCacheEnabled, setDrawingCacheQuality, setDuplicateParentStateEnabled, setElevation, setEnabled, setFadingEdgeLength, setFilterTouchesWhenObscured, setFitsSystemWindows, setFocusable, setFocusableInTouchMode, setForeground, setForegroundGravity, setForegroundTintList, setForegroundTintMode, setHapticFeedbackEnabled, setHasTransientState, setHorizontalFadingEdgeEnabled, setHorizontalScrollBarEnabled, setHovered, setId, setImportantForAccessibility, setKeepScreenOn, setLabelFor, setLayerPaint, setLayerType, setLayoutDirection, setLayoutParams, setLeft, setLongClickable, setMeasuredDimension, setMinimumHeight, setMinimumWidth, setNestedScrollingEnabled, setNextFocusDownId, setNextFocusForwardId, setNextFocusLeftId, setNextFocusRightId, setNextFocusUpId, setOnApplyWindowInsetsListener, setOnClickListener, setOnContextClickListener, setOnCreateContextMenuListener, setOnDragListener, setOnFocusChangeListener, setOnGenericMotionListener, setOnHoverListener, setOnKeyListener, setOnLongClickListener, setOnScrollChangeListener, setOnSystemUiVisibilityChangeListener, setOnTouchListener, setOutlineProvider, setOverScrollMode, setPadding, setPaddingRelative, setPivotX, setPivotY, setPointerIcon, setPressed, setRevealOnFocusHint, setRight, setRotation, setRotationX, setRotationY, setSaveEnabled, setSaveFromParentEnabled, setScaleX, setScaleY, setScrollBarDefaultDelayBeforeFade, setScrollBarFadeDuration, setScrollbarFadingEnabled, setScrollBarSize, setScrollBarStyle, setScrollContainer, setScrollIndicators, setScrollIndicators, setScrollX, setScrollY, setSoundEffectsEnabled, setStateListAnimator, setSystemUiVisibility, setTag, setTag, setTextAlignment, setTextDirection, setTop, setTouchDelegate, setTransitionName, setTranslationX, setTranslationY, setTranslationZ, setVerticalFadingEdgeEnabled, setVerticalScrollBarEnabled, setVerticalScrollbarPosition, setWillNotCacheDrawing, setWillNotDraw, setX, setY, setZ, showContextMenu, showContextMenu, startActionMode, startActionMode, startAnimation, startDrag, startDragAndDrop, startNestedScroll, stopNestedScroll, toString, unscheduleDrawable, unscheduleDrawable, updateDragShadow, willNotCacheDrawing, willNotDraw

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

mCurrentImageCorners

protected final float[] mCurrentImageCorners

mCurrentImageCenter

protected final float[] mCurrentImageCenter

mCurrentImageMatrix

protected android.graphics.Matrix mCurrentImageMatrix

mThisWidth

protected int mThisWidth

mThisHeight

protected int mThisHeight

mTransformImageListener

protected TransformImageView.TransformImageListener mTransformImageListener

mBitmapDecoded

protected boolean mBitmapDecoded

mBitmapLaidOut

protected boolean mBitmapLaidOut

Constructor Detail

TransformImageView

public TransformImageView(android.content.Context context)

TransformImageView

public TransformImageView(android.content.Context context,
                          android.util.AttributeSet attrs)

TransformImageView

public TransformImageView(android.content.Context context,
                          android.util.AttributeSet attrs,
                          int defStyle)

Method Detail

setTransformImageListener

public void setTransformImageListener(TransformImageView.TransformImageListener transformImageListener)

setScaleType

public void setScaleType(android.widget.ImageView.ScaleType scaleType)

Overrides:

setScaleType in class android.widget.ImageView

setMaxBitmapSize

public void setMaxBitmapSize(int maxBitmapSize)

Setter for mMaxBitmapSize value. Be sure to call it before ImageView.setImageURI(Uri) or other image setters.

Parameters:

maxBitmapSize - - max size for both width and height of bitmap that will be used in the view.

getMaxBitmapSize

public int getMaxBitmapSize()

setImageBitmap

public void setImageBitmap(android.graphics.Bitmap bitmap)

Overrides:

setImageBitmap in class android.widget.ImageView

getImageInputPath

public java.lang.String getImageInputPath()

getImageOutputPath

public java.lang.String getImageOutputPath()

getExifInfo

public ExifInfo getExifInfo()

setImageUri

public void setImageUri(android.net.Uri imageUri,
                        android.net.Uri outputUri)
                 throws java.lang.Exception

This method takes an Uri as a parameter, then calls method to decode it into Bitmap with specified size.

Parameters:

imageUri - - image Uri

Throws:

java.lang.Exception - - can throw exception if having problems with decoding Uri or OOM.

getCurrentScale

public float getCurrentScale()

Returns:

- current image scale value. [1.0f - for original image, 2.0f - for 200% scaled image, etc.]

getMatrixScale

public float getMatrixScale(android.graphics.Matrix matrix)

This method calculates scale value for given Matrix object.

getCurrentAngle

public float getCurrentAngle()

Returns:

- current image rotation angle.

getMatrixAngle

public float getMatrixAngle(android.graphics.Matrix matrix)

This method calculates rotation angle for given Matrix object.

setImageMatrix

public void setImageMatrix(android.graphics.Matrix matrix)

Overrides:

setImageMatrix in class android.widget.ImageView

getViewBitmap

public android.graphics.Bitmap getViewBitmap()

postTranslate

public void postTranslate(float deltaX,
                          float deltaY)

This method translates current image.

Parameters:

deltaX - - horizontal shift

deltaY - - vertical shift

postScale

public void postScale(float deltaScale,
                      float px,
                      float py)

This method scales current image.

Parameters:

deltaScale - - scale value

px - - scale center X

py - - scale center Y

postRotate

public void postRotate(float deltaAngle,
                       float px,
                       float py)

This method rotates current image.

Parameters:

deltaAngle - - rotation angle

px - - rotation center X

py - - rotation center Y

init

protected void init()

onLayout

protected void onLayout(boolean changed,
                        int left,
                        int top,
                        int right,
                        int bottom)

Overrides:

onLayout in class android.view.View

onImageLaidOut

protected void onImageLaidOut()

When image is laid out mInitialImageCenter and mInitialImageCenter must be set.

getMatrixValue

protected float getMatrixValue(android.graphics.Matrix matrix,
                               int valueIndex)

This method returns Matrix value for given index.

Parameters:

matrix - - valid Matrix object

valueIndex - - index of needed value. See Matrix.MSCALE_X and others.

Returns:

- matrix value for index

printMatrix

protected void printMatrix(java.lang.String logPrefix,
                           android.graphics.Matrix matrix)

This method logs given matrix X, Y, scale, and angle values. Can be used for debug.