Sensor Alignment: 방향 화살표 → arrow_transparent.png 교체 (rotate + tint)
자산:
- drawable/arrow_transparent.png 신규 (132×112 RGBA, 우향 thin arrow)
코드:
- drawLine 3개로 구성하던 화살표 → drawImage(arrowBitmap) 한 번으로 교체
- 4방향은 rotate(degrees, pivot) 로 처리:
right=0° / down=90° / left=180° / up=-90°
- ColorFilter.tint(#E64A19 × arrowAlpha) — 일러스트 톤 매칭 + blink 유지
- arrowDrawW=90f, 높이는 icon aspect(132:112)로 비례
- center 위치는 bladder oval edge + sensorHalfH + gap + arrowSize/2
기존 blink 로직(scanCount % 2 → animateFloatAsState 180ms)은 그대로 동작 —
tint color 의 alpha 에 arrowAlpha 를 곱하므로 PNG 도 매 refresh 깜빡임.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
+57
-32
@@ -368,6 +368,13 @@ fun PlacementGuideView(appState: AppState) {
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com.example.medilightv2android.R.drawable.sensor_device,
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).asImageBitmap()
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}
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// 방향 화살표 PNG (132x112, 우향). 회전 + tint 로 4방향 + 색감 통일.
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val arrowBitmap = remember {
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android.graphics.BitmapFactory.decodeResource(
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context.resources,
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com.example.medilightv2android.R.drawable.arrow_transparent,
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).asImageBitmap()
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}
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Canvas(modifier = Modifier.fillMaxSize()) {
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val w = size.width
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val h = size.height
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@@ -416,41 +423,59 @@ fun PlacementGuideView(appState: AppState) {
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alpha = 0.95f,
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)
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// ── 방향 화살표 (센서/타원 바깥) — 매 refresh 마다 alpha 깜빡임 ──
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// 색감 #FF5722 → #E64A19 (deep orange 700, 일러스트와 톤 맞춤)
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// StrokeCap.Round로 끝부분 둥글게 + 굵기 9→10 (가독성)
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// ── 방향 화살표 (PNG icon, rotate + tint) — 매 refresh 마다 alpha 깜빡임 ──
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// arrow_transparent.png 는 우향(→) 132×112. 회전으로 4방향 처리.
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// tint = deep orange 700 (#E64A19) — 일러스트 톤 맞춤 + alpha 로 blink.
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if (!greenZone) {
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val arrowColor = Color(0xFFE64A19).copy(alpha = arrowAlpha)
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val arrowLen = 70f
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val arrowHead = 28f
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val sw = 10f
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val cap = androidx.compose.ui.graphics.StrokeCap.Round
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val arrowDrawW = 90f
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val arrowDrawH = arrowDrawW * (arrowBitmap.height.toFloat() / arrowBitmap.width.toFloat())
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val sensorHalfH = h * 0.08f
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val gap = 20f
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when {
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directionIcon.contains("up") -> {
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val ay = bladderCy - bladderRy - sensorHalfH - 20f
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drawLine(arrowColor, Offset(cx, ay + arrowLen), Offset(cx, ay), strokeWidth = sw, cap = cap)
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drawLine(arrowColor, Offset(cx - arrowHead, ay + arrowHead), Offset(cx, ay), strokeWidth = sw, cap = cap)
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drawLine(arrowColor, Offset(cx + arrowHead, ay + arrowHead), Offset(cx, ay), strokeWidth = sw, cap = cap)
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}
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directionIcon.contains("down") -> {
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val ay = bladderCy + bladderRy + sensorHalfH + 20f
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drawLine(arrowColor, Offset(cx, ay - arrowLen), Offset(cx, ay), strokeWidth = sw, cap = cap)
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drawLine(arrowColor, Offset(cx - arrowHead, ay - arrowHead), Offset(cx, ay), strokeWidth = sw, cap = cap)
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drawLine(arrowColor, Offset(cx + arrowHead, ay - arrowHead), Offset(cx, ay), strokeWidth = sw, cap = cap)
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}
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directionIcon.contains("left") -> {
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val ax = cx - bladderRx - 30f
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drawLine(arrowColor, Offset(ax + arrowLen, bladderCy), Offset(ax, bladderCy), strokeWidth = sw, cap = cap)
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drawLine(arrowColor, Offset(ax + arrowHead, bladderCy - arrowHead), Offset(ax, bladderCy), strokeWidth = sw, cap = cap)
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drawLine(arrowColor, Offset(ax + arrowHead, bladderCy + arrowHead), Offset(ax, bladderCy), strokeWidth = sw, cap = cap)
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}
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directionIcon.contains("right") -> {
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val ax = cx + bladderRx + 30f
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drawLine(arrowColor, Offset(ax - arrowLen, bladderCy), Offset(ax, bladderCy), strokeWidth = sw, cap = cap)
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drawLine(arrowColor, Offset(ax - arrowHead, bladderCy - arrowHead), Offset(ax, bladderCy), strokeWidth = sw, cap = cap)
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drawLine(arrowColor, Offset(ax - arrowHead, bladderCy + arrowHead), Offset(ax, bladderCy), strokeWidth = sw, cap = cap)
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// 화살표 center 위치 + 회전 각도 (icon 이 우향이므로 right=0°)
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data class ArrowPlacement(val cxa: Float, val cya: Float, val rot: Float)
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val placement: ArrowPlacement? = when {
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directionIcon.contains("up") -> ArrowPlacement(
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cx,
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bladderCy - bladderRy - sensorHalfH - gap - arrowDrawH / 2f,
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-90f,
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)
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directionIcon.contains("down") -> ArrowPlacement(
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cx,
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bladderCy + bladderRy + sensorHalfH + gap + arrowDrawH / 2f,
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90f,
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)
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directionIcon.contains("left") -> ArrowPlacement(
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cx - bladderRx - gap - arrowDrawW / 2f,
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bladderCy,
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180f,
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)
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directionIcon.contains("right") -> ArrowPlacement(
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cx + bladderRx + gap + arrowDrawW / 2f,
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bladderCy,
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0f,
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)
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else -> null
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}
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if (placement != null) {
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val tint = androidx.compose.ui.graphics.ColorFilter.tint(
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Color(0xFFE64A19).copy(alpha = arrowAlpha)
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)
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rotate(degrees = placement.rot, pivot = Offset(placement.cxa, placement.cya)) {
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drawImage(
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image = arrowBitmap,
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srcOffset = androidx.compose.ui.unit.IntOffset.Zero,
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srcSize = androidx.compose.ui.unit.IntSize(arrowBitmap.width, arrowBitmap.height),
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dstOffset = androidx.compose.ui.unit.IntOffset(
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(placement.cxa - arrowDrawW / 2f).toInt(),
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(placement.cya - arrowDrawH / 2f).toInt(),
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),
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dstSize = androidx.compose.ui.unit.IntSize(
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arrowDrawW.toInt(),
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arrowDrawH.toInt(),
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),
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colorFilter = tint,
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)
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}
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}
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}
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