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27 Prototype character portarit (#28)
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44 changes: 44 additions & 0 deletions
44
app/src/main/java/com/daniil/shevtsov/idle/feature/portrait/view/BezierExtensions.kt
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|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package com.daniil.shevtsov.idle.feature.portrait.view | ||
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| import androidx.compose.ui.geometry.Offset | ||
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| data class BezierState( | ||
| val start: Offset, | ||
| val support: Offset, | ||
| val support2: Offset? = null, | ||
| val finish: Offset, | ||
| ) | ||
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| fun BezierState.points() = listOfNotNull( | ||
| start, | ||
| finish, | ||
| support, | ||
| support2, | ||
| ) | ||
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| fun List<Offset>.toBezierState() = BezierState( | ||
| start = get(0), | ||
| finish = get(1), | ||
| support = get(2), | ||
| support2 = getOrNull(3), | ||
| ) | ||
|
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| fun BezierState.multiply( | ||
| x: Float = 1f, | ||
| y: Float = 1f | ||
| ): BezierState = points().map { point -> | ||
| point.copy( | ||
| x = point.x.times(x), | ||
| y = point.y.times(y) | ||
| ) | ||
| }.toBezierState() | ||
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| fun BezierState.add( | ||
| x: Float = 0f, | ||
| y: Float = 0f | ||
| ): BezierState = points().map { point -> | ||
| point.copy( | ||
| x = point.x + x, | ||
| y = point.y + y, | ||
| ) | ||
| }.toBezierState() |
93 changes: 93 additions & 0 deletions
93
app/src/main/java/com/daniil/shevtsov/idle/feature/portrait/view/Core.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,93 @@ | ||
| package com.daniil.shevtsov.idle.feature.portrait.view | ||
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| import androidx.compose.ui.geometry.Offset | ||
| import androidx.compose.ui.geometry.Rect | ||
| import androidx.compose.ui.geometry.Size | ||
| import kotlin.math.pow | ||
| import kotlin.math.sqrt | ||
| import kotlin.random.Random | ||
|
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| fun Rect.shrink(percent: Float): Rect { | ||
| return shrink( | ||
| widthPercent = percent, heightPercent = percent | ||
| ) | ||
| } | ||
|
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| enum class Anchor { | ||
| Center | ||
| } | ||
|
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| fun Rect.move( | ||
| position: Offset, | ||
| anchor: Anchor = Anchor.Center, | ||
| ) = Rect( | ||
| offset = position.translate( | ||
| x = -width / 2, | ||
| y = -height / 2, | ||
| ), | ||
| size = size, | ||
| ) | ||
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| fun Rect.shrink( | ||
| widthPercent: Float = 1f, | ||
| heightPercent: Float = 1f, | ||
| ): Rect { | ||
| val newWidth = width * widthPercent | ||
| val newHeight = height * heightPercent | ||
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| return Rect( | ||
| offset = topLeft.translate( | ||
| x = (width - newWidth) / 2, | ||
| y = (height - newHeight) / 2, | ||
| ), | ||
| size = Size(newWidth, newHeight) | ||
| ) | ||
| } | ||
|
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| fun Offset.translate( | ||
| value: Float, | ||
| ) = translate( | ||
| x = value, | ||
| y = value, | ||
| ) | ||
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| fun Offset.translate( | ||
| x: Float = 0f, | ||
| y: Float = 0f, | ||
| ) = copy( | ||
| x = this.x + x, | ||
| y = this.y + y, | ||
| ) | ||
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| fun Offset.distanceTo(offset: Offset) = sqrt((offset.x - x).pow(2) + (offset.y - y).pow(2)) | ||
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| fun Offset.coerceIn(bounds: Rect) = Offset( | ||
| x = x.coerceIn(bounds.left, bounds.right), | ||
| y = y.coerceIn(bounds.top, bounds.bottom) | ||
| ) | ||
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| fun Offset.times( | ||
| x: Float = 1f, | ||
| y: Float = 1f | ||
| ) = Offset( | ||
| x = this.x * x, | ||
| y = this.y * y, | ||
| ) | ||
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| fun Offset.div( | ||
| x: Float = 1f, | ||
| y: Float = 1f | ||
| ) = Offset( | ||
| x = this.x / x, | ||
| y = this.y / y, | ||
| ) | ||
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| fun Random.nextFloatInRange( | ||
| min: Float = Float.MIN_VALUE, | ||
| max: Float = Float.MAX_VALUE, | ||
| ) = min + nextFloat() * (max - min) | ||
|
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| fun BodyPart.toRect() = Rect( | ||
| position, | ||
| size, | ||
| ) |
62 changes: 62 additions & 0 deletions
62
app/src/main/java/com/daniil/shevtsov/idle/feature/portrait/view/DrawScopeExtensions.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,62 @@ | ||
| package com.daniil.shevtsov.idle.feature.portrait.view | ||
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| import androidx.compose.ui.geometry.Rect | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.graphics.Path | ||
| import androidx.compose.ui.graphics.drawscope.DrawScope | ||
| import androidx.compose.ui.graphics.drawscope.Stroke | ||
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| fun DrawScope.drawArea( | ||
| area: Rect, | ||
| color: Color = Color.Red, | ||
| strokeWidth: Float = 3f, | ||
| ) { | ||
| drawRect( | ||
| color, | ||
| style = Stroke(width = strokeWidth), | ||
| topLeft = area.topLeft, | ||
| size = area.size | ||
| ) | ||
| } | ||
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| fun DrawScope.drawBodyPart(part: BodyPart) { | ||
| drawRect(part.color, topLeft = part.position, size = part.size) | ||
| } | ||
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| fun DrawScope.drawBezierPoints( | ||
| bezierState: BezierState, | ||
| pointColor: Color = Color.Green, | ||
| supportColor: Color = Color.Red, | ||
| pointRadius: Float = 16f, | ||
| ) { | ||
| drawCircle(pointColor, center = bezierState.start, radius = pointRadius) | ||
| drawCircle(pointColor, center = bezierState.finish, radius = pointRadius) | ||
| drawCircle(supportColor, center = bezierState.support, radius = pointRadius) | ||
| if (bezierState.support2 != null) { | ||
| drawCircle(supportColor, center = bezierState.support2, radius = pointRadius) | ||
| } | ||
| } | ||
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| fun Path.drawQuadraticBezier(state: BezierState) { | ||
| with(state) { | ||
| moveTo(start.x, start.y) | ||
| if (state.support2 == null) { | ||
| quadraticBezierTo( | ||
| support.x, | ||
| support.y, | ||
| finish.x, | ||
| finish.y, | ||
| ) | ||
| } else { | ||
| cubicTo( | ||
| support.x, | ||
| support.y, | ||
| support2!!.x, | ||
| support2.y, | ||
| finish.x, | ||
| finish.y, | ||
| ) | ||
| } | ||
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| } | ||
| } |
115 changes: 115 additions & 0 deletions
115
app/src/main/java/com/daniil/shevtsov/idle/feature/portrait/view/Portrait.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,115 @@ | ||
| package com.daniil.shevtsov.idle.feature.portrait.view | ||
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| import androidx.compose.foundation.Canvas | ||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.Row | ||
| import androidx.compose.foundation.layout.size | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.geometry.Offset | ||
| import androidx.compose.ui.geometry.Rect | ||
| import androidx.compose.ui.geometry.Size | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.tooling.preview.Preview | ||
| import androidx.compose.ui.unit.dp | ||
| import com.daniil.shevtsov.idle.feature.portrait.view.face.drawNose | ||
| import com.daniil.shevtsov.idle.feature.portrait.view.face.drawPortrait | ||
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| @Preview( | ||
| widthDp = 800, | ||
| heightDp = 800 | ||
| ) | ||
| @Composable | ||
| fun PortraitPreview() { | ||
| val previewSize = 400.dp | ||
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| val previewMode = PreviewMode.Portaits | ||
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| val state = PreviewState( | ||
| mode = previewMode, | ||
| shouldShowFaceAreas = false, | ||
| shouldShowNoseAreas = false, | ||
| shouldShowEyeAreas = false, | ||
| ) | ||
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| when (state.mode) { | ||
| PreviewMode.Nose -> { | ||
| Canvas(modifier = Modifier, onDraw = { | ||
| val nose = BodyPart( | ||
| position = Offset(size.width / 2 - size.width / 4, 0f), | ||
| size = Size(size.width / 2, size.height), | ||
| color = Color.Gray | ||
| ) | ||
| drawNose(nose, state) | ||
| }) | ||
| } | ||
| PreviewMode.Portaits -> { | ||
| Column { | ||
| repeat(2) { | ||
| Row { | ||
| repeat(2) { | ||
| Portrait( | ||
| previewState = state, | ||
| modifier = Modifier.size(previewSize) | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| @Composable | ||
| fun Portrait( | ||
| previewState: PreviewState, | ||
| modifier: Modifier = Modifier, | ||
| ) { | ||
| Canvas(modifier = modifier, onDraw = { | ||
| drawPortrait(previewState) | ||
| }) | ||
| } | ||
|
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| data class GeneratingConfig( | ||
| val faceArea: Rect, | ||
| val eyesArea: Rect, | ||
| val noseArea: Rect, | ||
| val mouthArea: Rect, | ||
| ) | ||
|
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| data class BodyPart( | ||
| val position: Offset, | ||
| val size: Size, | ||
| val color: Color, | ||
| ) | ||
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| data class FacePartsSize( | ||
| val eye: Size, | ||
| val nose: Size, | ||
| val mouth: Size, | ||
| ) | ||
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| data class PortraitState( | ||
| val head: BodyPart, | ||
| val leftEye: BodyPart, | ||
| val rightEye: BodyPart, | ||
| val nose: BodyPart, | ||
| val mouth: BodyPart, | ||
| ) | ||
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| enum class PreviewMode { | ||
| Portaits, | ||
| Nose, | ||
| } | ||
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| data class PreviewState( | ||
| val mode: PreviewMode, | ||
| val shouldShowFaceAreas: Boolean, | ||
| val shouldShowNoseAreas: Boolean, | ||
| val shouldShowEyeAreas: Boolean, | ||
| ) | ||
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