Skip to content

Added canScrollVertically, canScrollHorizontally #54

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Added canScrollVertically, canScrollHorizontally #54

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
a23b53f
Added canScrollVertically, canScrollHorizontally to behave properly i…
krzysiekbielicki Feb 17, 2014
bb715a0
Merge branch 'master' of github.com:sephiroth74/ImageViewZoom
krzysiekbielicki Jun 22, 2015
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
23 changes: 23 additions & 0 deletions library/src/main/java/it/sephiroth/android/library/imagezoom/ImageViewTouch.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -251,6 +251,29 @@ public boolean canScroll() {
return !mViewPort.contains(bitmapRect);
}

@Override
public boolean canScrollHorizontally(int direction) {
return canScroll(-direction);
}

@Override
public boolean canScrollVertically(int direction) {
RectF bitmapRect = getBitmapRect();
updateRect( bitmapRect, mScrollRect );
Rect imageViewRect = new Rect();
getGlobalVisibleRect( imageViewRect );

if( null == bitmapRect ) {
return false;
}

if ( bitmapRect.bottom >= imageViewRect.bottom && direction < 0 ) {
return Math.abs( bitmapRect.bottom - imageViewRect.bottom ) > SCROLL_DELTA_THRESHOLD;
}

return Math.abs( bitmapRect.top - mScrollRect.top ) > SCROLL_DELTA_THRESHOLD;
}

/**
* Determines whether this ImageViewTouch can be scrolled.
*
Expand Down