mirror of https://git.suyu.dev/suyu/suyu
Merge pull request #10633 from t895/variable-surface-ratio
android: Use a custom view for changing emulation aspect ratiomerge-requests/60/head
commit
036996429e
@ -0,0 +1,46 @@
|
|||||||
|
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
|
||||||
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
||||||
|
|
||||||
|
package org.yuzu.yuzu_emu.views
|
||||||
|
|
||||||
|
import android.content.Context
|
||||||
|
import android.util.AttributeSet
|
||||||
|
import android.util.Rational
|
||||||
|
import android.view.SurfaceView
|
||||||
|
import kotlin.math.roundToInt
|
||||||
|
|
||||||
|
class FixedRatioSurfaceView @JvmOverloads constructor(
|
||||||
|
context: Context,
|
||||||
|
attrs: AttributeSet? = null,
|
||||||
|
defStyleAttr: Int = 0
|
||||||
|
) : SurfaceView(context, attrs, defStyleAttr) {
|
||||||
|
private var aspectRatio: Float = 0f // (width / height), 0f is a special value for stretch
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Sets the desired aspect ratio for this view
|
||||||
|
* @param ratio the ratio to force the view to, or null to stretch to fit
|
||||||
|
*/
|
||||||
|
fun setAspectRatio(ratio: Rational?) {
|
||||||
|
aspectRatio = ratio?.toFloat() ?: 0f
|
||||||
|
}
|
||||||
|
|
||||||
|
override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
|
||||||
|
super.onMeasure(widthMeasureSpec, heightMeasureSpec)
|
||||||
|
val width = MeasureSpec.getSize(widthMeasureSpec)
|
||||||
|
val height = MeasureSpec.getSize(heightMeasureSpec)
|
||||||
|
if (aspectRatio != 0f) {
|
||||||
|
val newWidth: Int
|
||||||
|
val newHeight: Int
|
||||||
|
if (height * aspectRatio < width) {
|
||||||
|
newWidth = (height * aspectRatio).roundToInt()
|
||||||
|
newHeight = height
|
||||||
|
} else {
|
||||||
|
newWidth = width
|
||||||
|
newHeight = (width / aspectRatio).roundToInt()
|
||||||
|
}
|
||||||
|
setMeasuredDimension(newWidth, newHeight)
|
||||||
|
} else {
|
||||||
|
setMeasuredDimension(width, height)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
Loading…
Reference in New Issue