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zoom towards the center of the screen

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CactiChameleon9 2023-02-05 16:58:33 +00:00 committed by GitHub
parent 56809552e2
commit 087fd1e2f8
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1 changed files with 8 additions and 3 deletions
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11
app/src/main/kotlin/com/simplemobiletools/draw/pro/views/MyCanvas.kt
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@ -25,8 +25,6 @@ import com.simplemobiletools.draw.pro.models.MyPath
import com.simplemobiletools.draw.pro.models.PaintOptions import com.simplemobiletools.draw.pro.models.PaintOptions
import java.util.concurrent.ExecutionException import java.util.concurrent.ExecutionException
import kotlin.math.abs import kotlin.math.abs
import kotlin.math.max
import kotlin.math.min
class MyCanvas(context: Context, attrs: AttributeSet) : View(context, attrs) { class MyCanvas(context: Context, attrs: AttributeSet) : View(context, attrs) {
private val MIN_ERASER_WIDTH = 20f private val MIN_ERASER_WIDTH = 20f
@ -474,10 +472,17 @@ class MyCanvas(context: Context, attrs: AttributeSet) : View(context, attrs) {
mPath.reset() mPath.reset()
} }
if (mScaleFactor * detector.scaleFactor !in 0.1f..10.0f) {
return true
}
mIgnoreTouches = true mIgnoreTouches = true
mWasScalingInGesture = true mWasScalingInGesture = true
mScaleFactor *= detector.scaleFactor mScaleFactor *= detector.scaleFactor
mScaleFactor = max(0.1f, min(mScaleFactor, 10.0f))
mPosX *= detector.scaleFactor
mPosY *= detector.scaleFactor
setBrushSize(mCurrBrushSize) setBrushSize(mCurrBrushSize)
invalidate() invalidate()
return true return true