If the normalizedScale is equal to 1, then the image is made to fit the screen. Otherwise, it is made to fit the screen according to the dimensions of

Save the current matrix and view dimensions in the prevMatrix and prevView variables.

Performs boundary checking and fixes the image matrix if it is out of bounds.

This function will transform the coordinates in the touch event to the coordinate system of the drawable that the imageview contain @param x x-coordin

Set zoom to the specified scale. Image will be centered by default. @param scale

When transitioning from zooming from focus to zoom from center (or vice versa) the image can become unaligned within the view. This is apparent when z

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Set view dimensions based on layout params @param mode @param size @param drawableWidth @return

Inverse of transformCoordTouchToBitmap. This function will transform the coordinates in the drawable's coordinate system to the view's coordinate syst

After rotating, the matrix needs to be translated. This function finds the area of image which was previously centered and adjusts translations so tha

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Interpolate the current targeted zoom and get the delta from the current zoom. @param t @return

Quando houver click na imagem do chat @param view @param position

Quando houver click na imagem de mapa @param view @param position

Get the current zoom. This is the zoom relative to the initial scale, not the original resource. @return current zoom multiplier.

Return the point at the center of the zoomed image. The PointF coordinates range in value between 0 and 1 and the focus point is denoted as a fraction

Use interpolator to get t @return

Returns false if image is in initial, unzoomed state. False, otherwise. @return true if image is zoomed

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Reset zoom and translation to initial state.

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Interpolate between where the image should start and end in order to translate the image so that the point that is touched is what ends up centered at

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Checks if the app has permission to write to device storage If the app does not has permission then the user will be prompted to grant permissions

Get the max zoom multiplier. @return max zoom multiplier.