diff options
author | Andrew Dolgov <[email protected]> | 2019-02-03 23:53:57 +0300 |
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committer | Andrew Dolgov <[email protected]> | 2019-02-03 23:53:57 +0300 |
commit | 12f64363c82274587ebb07774de1a872f54ca3ae (patch) | |
tree | 1ceefcf0d1da0e4e06310cdfc4af8d9e00b55b34 /org.fox.ttcomics/src/main/java/com/github/chrisbanes/photoview/Util.java | |
parent | 31616c82eb5a5548127ddd965a39c6d5dbeb3f69 (diff) |
android support libraries -> androidx
use photoview instead of imageviewtouch (included because of TOP_CROP missing)
remove obsolete/unused code
Diffstat (limited to 'org.fox.ttcomics/src/main/java/com/github/chrisbanes/photoview/Util.java')
-rw-r--r-- | org.fox.ttcomics/src/main/java/com/github/chrisbanes/photoview/Util.java | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/org.fox.ttcomics/src/main/java/com/github/chrisbanes/photoview/Util.java b/org.fox.ttcomics/src/main/java/com/github/chrisbanes/photoview/Util.java new file mode 100644 index 0000000..2e3e5ad --- /dev/null +++ b/org.fox.ttcomics/src/main/java/com/github/chrisbanes/photoview/Util.java @@ -0,0 +1,37 @@ +package com.github.chrisbanes.photoview; + +import android.view.MotionEvent; +import android.widget.ImageView; + +class Util { + + static void checkZoomLevels(float minZoom, float midZoom, + float maxZoom) { + if (minZoom >= midZoom) { + throw new IllegalArgumentException( + "Minimum zoom has to be less than Medium zoom. Call setMinimumZoom() with a more appropriate value"); + } else if (midZoom >= maxZoom) { + throw new IllegalArgumentException( + "Medium zoom has to be less than Maximum zoom. Call setMaximumZoom() with a more appropriate value"); + } + } + + static boolean hasDrawable(ImageView imageView) { + return imageView.getDrawable() != null; + } + + static boolean isSupportedScaleType(final ImageView.ScaleType scaleType) { + if (scaleType == null) { + return false; + } + switch (scaleType) { + case MATRIX: + throw new IllegalStateException("Matrix scale type is not supported"); + } + return true; + } + + static int getPointerIndex(int action) { + return (action & MotionEvent.ACTION_POINTER_INDEX_MASK) >> MotionEvent.ACTION_POINTER_INDEX_SHIFT; + } +} |