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improve some double-tap zoom handling

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This commit is contained in:
tibbi 2017-11-16 23:37:14 +01:00
parent bdc61380a5
commit a3c680fc73
1 changed files with 10 additions and 8 deletions
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18
app/src/main/kotlin/com/simplemobiletools/gallery/fragments/PhotoFragment.kt
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@ -37,6 +37,7 @@ import java.io.File
import java.io.FileOutputStream import java.io.FileOutputStream
class PhotoFragment : ViewPagerFragment() { class PhotoFragment : ViewPagerFragment() {
private var DEFAULT_DOUBLE_TAP_ZOOM = 5f
private var isFragmentVisible = false private var isFragmentVisible = false
private var isFullscreen = false private var isFullscreen = false
private var wasInit = false private var wasInit = false
@ -234,8 +235,7 @@ class PhotoFragment : ViewPagerFragment() {
override fun onReady() { override fun onReady() {
background = ColorDrawable(if (context.config.darkBackground) Color.BLACK else context.config.backgroundColor) background = ColorDrawable(if (context.config.darkBackground) Color.BLACK else context.config.backgroundColor)
val zoomScale = if (ViewPagerActivity.wasDecodedByGlide) 1f else getDoubleTapZoomScale() setDoubleTapZoomScale(getDoubleTapZoomScale())
setDoubleTapZoomScale(zoomScale)
} }
override fun onTileLoadError(e: Exception?) { override fun onTileLoadError(e: Exception?) {
@ -266,11 +266,13 @@ class PhotoFragment : ViewPagerFragment() {
val height = bitmapOptions.outHeight val height = bitmapOptions.outHeight
val bitmapAspectRatio = height / (width).toFloat() val bitmapAspectRatio = height / (width).toFloat()
if (context == null) { return if (context == null) {
return 2f DEFAULT_DOUBLE_TAP_ZOOM
} } else if (ViewPagerActivity.screenHeight / ViewPagerActivity.screenWidth.toFloat() == bitmapAspectRatio) {
DEFAULT_DOUBLE_TAP_ZOOM
return if (context!!.portrait && bitmapAspectRatio <= 1f) { } else if (ViewPagerActivity.wasDecodedByGlide) {
1f
} else if (context!!.portrait && bitmapAspectRatio <= 1f) {
ViewPagerActivity.screenHeight / height.toFloat() ViewPagerActivity.screenHeight / height.toFloat()
} else if (context!!.portrait && bitmapAspectRatio > 1f) { } else if (context!!.portrait && bitmapAspectRatio > 1f) {
ViewPagerActivity.screenHeight / width.toFloat() ViewPagerActivity.screenHeight / width.toFloat()
@ -279,7 +281,7 @@ class PhotoFragment : ViewPagerFragment() {
} else if (!context!!.portrait && bitmapAspectRatio < 1f) { } else if (!context!!.portrait && bitmapAspectRatio < 1f) {
ViewPagerActivity.screenWidth / height.toFloat() ViewPagerActivity.screenWidth / height.toFloat()
} else { } else {
2f DEFAULT_DOUBLE_TAP_ZOOM
} }
} }