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Merge pull request #48 from grine4ka/add-half-field-drawable
Add HalfFieldDrawable to draw football half field
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118 changes: 118 additions & 0 deletions
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app/src/main/java/com/bykov/footea/ui/widgets/HalfFieldDrawable.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| package com.bykov.footea.ui.widgets | ||
|
|
||
| import android.content.Context | ||
| import android.graphics.Canvas | ||
| import android.graphics.ColorFilter | ||
| import android.graphics.Paint | ||
| import android.graphics.PixelFormat | ||
| import android.graphics.Rect | ||
| import android.graphics.drawable.Drawable | ||
| import androidx.core.content.res.ResourcesCompat | ||
| import com.bykov.footea.R | ||
|
|
||
| /** | ||
| * Draws half of the field. | ||
| * | ||
| * Inspired by https://proandroiddev.com/building-a-team-lineup-view-on-android-daaf27e3901e | ||
| */ | ||
| class HalfFieldDrawable(context: Context) : Drawable() { | ||
|
|
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| private val linePaint = Paint(Paint.ANTI_ALIAS_FLAG).apply { | ||
| strokeWidth = context.resources.getDimension(R.dimen.field_line_width) | ||
| color = ResourcesCompat.getColor(context.resources, R.color.field_line, context.theme) | ||
| style = Paint.Style.STROKE | ||
| } | ||
|
|
||
| private val rect = Rect() | ||
| private val padding = context.resources.getDimensionPixelSize(R.dimen.field_line_padding) | ||
| private val halfInnerGoalWidth = context.resources.getDimensionPixelSize(R.dimen.field_inner_goal_width) | ||
| private val halfInnerGoalHeight = context.resources.getDimensionPixelSize(R.dimen.field_inner_goal_height) | ||
| private val halfGoalWidth = context.resources.getDimensionPixelSize(R.dimen.field_goal_width) | ||
| private val halfGoalHeight = context.resources.getDimensionPixelSize(R.dimen.field_goal_height) | ||
| private val cornerSize = context.resources.getDimensionPixelSize(R.dimen.field_corner_size) | ||
| private val centerCircleSize = context.resources.getDimensionPixelSize(R.dimen.field_center_circle_size) | ||
| private val centerInnerCircleSize = context.resources.getDimensionPixelSize(R.dimen.field_center_inner_circle_size) | ||
|
|
||
| override fun draw(canvas: Canvas) { | ||
| val width = bounds.width() | ||
| val height = bounds.height() | ||
| canvas.apply { | ||
| // draw field lines | ||
| rect.set(padding, padding, width - padding, height - padding) | ||
| drawRect(rect, linePaint) | ||
| // draw goals | ||
| rect.set( | ||
| width / 2 - halfInnerGoalWidth, | ||
| padding, | ||
| width / 2 + halfInnerGoalWidth, | ||
| padding + halfInnerGoalHeight | ||
| ) | ||
| drawRect(rect, linePaint) | ||
| rect.set( | ||
| width / 2 - halfGoalWidth, | ||
| padding, | ||
| width / 2 + halfGoalWidth, | ||
| padding + halfGoalHeight | ||
| ) | ||
| drawRect(rect, linePaint) | ||
| // draw corners | ||
| drawArc( | ||
| padding.toFloat() - cornerSize, | ||
| padding.toFloat() - cornerSize, | ||
| (padding + cornerSize).toFloat(), | ||
| (padding + cornerSize).toFloat(), | ||
| 0f, | ||
| 90f, | ||
| false, | ||
| linePaint | ||
| ) | ||
| drawArc( | ||
| (width - padding - cornerSize).toFloat(), | ||
| padding.toFloat() - cornerSize, | ||
| (width - padding + cornerSize).toFloat(), | ||
| (padding + cornerSize).toFloat(), | ||
| 90f, | ||
| 90f, | ||
| false, | ||
| linePaint | ||
| ) | ||
| // draw center circle | ||
| drawArc( | ||
| (width / 2 - centerCircleSize).toFloat(), | ||
| (height - padding - centerCircleSize).toFloat(), | ||
| (width / 2 + centerCircleSize).toFloat(), | ||
| (height - padding + centerCircleSize).toFloat(), | ||
| 180f, | ||
| 180f, | ||
| false, | ||
| linePaint | ||
| ) | ||
| linePaint.style = Paint.Style.FILL | ||
| drawArc( | ||
| (width / 2 - centerInnerCircleSize).toFloat(), | ||
| (height - padding - centerInnerCircleSize).toFloat(), | ||
| (width / 2 + centerInnerCircleSize).toFloat(), | ||
| (height - padding + centerInnerCircleSize).toFloat(), | ||
| 180f, | ||
| 180f, | ||
| false, | ||
| linePaint | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| override fun setAlpha(alpha: Int) { | ||
| // no-op | ||
| } | ||
|
|
||
| override fun setColorFilter(colorFilter: ColorFilter?) { | ||
| // no-op | ||
| } | ||
|
|
||
| @Deprecated("Deprecated in Java", | ||
| ReplaceWith("PixelFormat.OPAQUE", "android.graphics.PixelFormat") | ||
| ) | ||
| override fun getOpacity(): Int { | ||
| return PixelFormat.OPAQUE | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <resources> | ||
| <!-- HalfFieldDrawable --> | ||
| <dimen name="field_line_width">2dp</dimen> | ||
| <dimen name="field_line_padding">8dp</dimen> | ||
| <dimen name="field_inner_goal_width">32dp</dimen> | ||
| <dimen name="field_inner_goal_height">24dp</dimen> | ||
| <dimen name="field_goal_width">104dp</dimen> | ||
| <dimen name="field_goal_height">64dp</dimen> | ||
| <dimen name="field_corner_size">12dp</dimen> | ||
| <dimen name="field_center_circle_size">48dp</dimen> | ||
| <dimen name="field_center_inner_circle_size">4dp</dimen> | ||
| </resources> |
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