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android: 相册页接线+演示模式(真实管线渲染合成帧+demo温度显示映射)

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ZXCLI
2026-09-06 23:15:05 +08:00
parent 430bf373e4
commit f8eab28857
14 changed files with 163 additions and 21 deletions
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analysis/preview/preview_capture.png
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analysis/preview/preview_gallery.png
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analysis/preview/preview_landscape.png
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analysis/preview/preview_live.png
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analysis/preview/preview_settings.png
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android/app/src/main/kotlin/com/mag160c/thermal/ui/AppRoot.kt
+7 -6
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@@ -24,6 +24,7 @@ import androidx.compose.ui.platform.LocalConfiguration
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.unit.dp
import com.mag160c.thermal.R
import com.mag160c.thermal.ui.gallery.GalleryScreen
import com.mag160c.thermal.ui.live.LiveScreen
import com.mag160c.thermal.ui.settings.SettingsScreen
@@ -43,12 +44,12 @@ fun AppRoot() {
LocalConfiguration.current.orientation == Configuration.ORIENTATION_LANDSCAPE
val content: @Composable () -> Unit = {
when (tab) {
0 -> LiveScreen()
1 -> Placeholder("媒体库（阶段4实现）")
2 -> Placeholder("MDT 离线分析（阶段5实现）")
else -> SettingsScreen()
}
when (tab) {
0 -> LiveScreen()
1 -> GalleryScreen()
2 -> GalleryScreen()
else -> SettingsScreen()
}
}
if (isLandscape) {
android/app/src/main/kotlin/com/mag160c/thermal/ui/live/LiveRenderer.kt
+4 -4
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@@ -111,15 +111,15 @@ class LiveRenderer(
}
private fun drawIdle(canvas: Canvas, w: Float, h: Float) {
textPaint.color = Color.GRAY
canvas.drawText("等待热像仪连接…", w / 2f - 90, h / 2f, textPaint)
textPaint.color = Color.WHITE
// status text is shown by the Compose overlay; keep the canvas black
}
private fun drawOsd(canvas: Canvas, state: LiveViewModel.LiveState) {
textPaint.color = Color.WHITE
val ox = viewport.left + 10f
val oy = viewport.top + textPaint.textSize + 8f
state.centerTempC?.let {
canvas.drawText("中心 %.1f℃".format(it), 10f, textPaint.textSize + 8f, textPaint)
canvas.drawText("中心 %.1f℃".format(it), ox, oy, textPaint)
}
if (state.maxTraceOn) {
drawTempMarker(canvas, state.maxPos, state.maxTempC)
android/app/src/main/kotlin/com/mag160c/thermal/ui/live/LiveScreen.kt
+3 -1
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@@ -122,7 +122,9 @@ private fun ControlBar(state: LiveViewModel.LiveState, vm: LiveViewModel) {
style = MaterialTheme.typography.titleLarge,
)
Text(
text = "%.1f / %.1f℃".format(state.maxTempC ?: 0f, state.minTempC ?: 0f),
text = if (state.maxTempC != null && state.minTempC != null)
"%.1f / %.1f℃".format(state.maxTempC, state.minTempC)
else "-- / --℃",
style = MaterialTheme.typography.bodySmall,
)
}
android/app/src/main/kotlin/com/mag160c/thermal/ui/live/LiveViewModel.kt
+128 -4
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@@ -7,6 +7,8 @@ import com.mag160c.thermal.core.TempMath
import com.mag160c.thermal.usb.IrSession
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.delay
import kotlinx.coroutines.launch
/**
* Live view state machine: USB permission -> link -> stream -> OSD stats.
@@ -87,10 +89,15 @@ class LiveViewModel(app: Application) : AndroidViewModel(app) {
}
}
/** Begin USB permission flow, then start streaming. */
/** Begin USB permission flow, then start streaming. No device -> demo mode. */
fun connect() {
val context = getApplication<Application>()
val transport = com.mag160c.thermal.usb.UsbTransport(context)
val dev = transport.findDevice()
if (dev == null) {
startDemo()
return
}
transport.requestPermission { ok ->
if (ok) {
val ddt = runCatching { context.assets.open("mag160c.ddt").readBytes() }
@@ -102,6 +109,87 @@ class LiveViewModel(app: Application) : AndroidViewModel(app) {
}
}
private var demoPipeline: com.mag160c.thermal.core.RenderPipeline? = null
private var demoJob: kotlinx.coroutines.Job? = null
/**
* Demo mode: feed synthetic frames through the REAL render pipeline
* (official DDT bundled) so the UI is fully explorable without hardware.
*/
private fun startDemo() {
if (demoJob?.isActive == true) return
_state.value = _state.value.copy(connected = true, streaming = true, status = "demo")
val frames = buildDemoFrames()
demoJob = viewModelScope.launch(kotlinx.coroutines.Dispatchers.Default) {
val ddt = runCatching {
getApplication<Application>().assets.open("mag160c.ddt").readBytes()
}.getOrDefault(ByteArray(0))
val pipe = com.mag160c.thermal.core.RenderPipeline(160, 120, onFfc = {})
if (!pipe.loadDdt(ddt)) return@launch
demoPipeline = pipe
val out = IntArray(320 * 240)
var count = 0
while (demoPipeline != null) {
for (f in frames.indices) {
val p = demoPipeline ?: return@launch
if (p.frame(frames[f], true, out)) {
latestFrame = out.copyOf()
count++
if (count % 8 == 0) refreshTemps()
}
delay(66)
}
}
}
}
/** Synthetic 60-frame cycle (gradient scene + slow shutter drift). */
private fun buildDemoFrames(): ArrayList<ByteArray> {
val frameSize = 0x38 + 38400
val frames = ArrayList<ByteArray>(60)
var seed = 20260906
for (f in 0 until 60) {
val buf = ByteArray(frameSize)
var acc = seed
fun next(): Int {
acc = (acc * 1103515245 + 12345) and 0x7FFFFFFF
return acc % 97 - 48
}
seed = acc
for (i in 0 until 19200) {
val x = i % 160
val y = i / 160
var base = x * 4 + y * 3 + 14000
// warm block (like a hand in frame), upper-right area
if (x in 96..144 && y in 28..76) base += 620
if (x in 104..136 && y in 36..68) base += 180
val v = (base + next()).coerceIn(0, 65535)
val off = 0x1C + i * 2
buf[off] = (v and 0xFF).toByte()
buf[off + 1] = ((v shr 8) and 0xFF).toByte()
}
frames.add(buf)
}
// headers + trailers
for (f in frames.indices) {
val buf = frames[f]
put32(buf, 0, 0x1BB1B11B)
put32(buf, 4, f)
put32(buf, 8, 38400)
put32(buf, 12, if (f in 6..9) 1 else 0)
put32(buf, 16, 4096 + f / 4)
put32(buf, 0x1C + 38400, 0x1BB1B11C)
}
return frames
}
private fun put32(dst: ByteArray, off: Int, v: Int) {
dst[off] = (v and 0xFF).toByte()
dst[off + 1] = ((v shr 8) and 0xFF).toByte()
dst[off + 2] = ((v shr 16) and 0xFF).toByte()
dst[off + 3] = ((v ushr 24) and 0xFF).toByte()
}
fun disconnect() = session.stop()
fun triggerFfc() = session.triggerFfc()
@@ -206,11 +294,47 @@ class LiveViewModel(app: Application) : AndroidViewModel(app) {
/** Update per-frame temperature stats (called on a slow timer). */
fun refreshTemps() {
val demo = demoPipeline
if (demo != null) {
// Demo-only display mapping (true calibration needs hardware).
demo.copyNuc(demoNuc)
var mean = 0L
var mn = Int.MAX_VALUE
var mx = -1
var mnPos = -1
var mxPos = -1
for (i in demoNuc.indices) {
val v = demoNuc[i]
mean += v
if (v < mn) { mn = v; mnPos = i }
if (v > mx) { mx = v; mxPos = i }
}
mean /= demoNuc.size
val mv = mean.toFloat()
val probes = _state.value.probes.map { p ->
val v = demoNuc[p.y * 160 + p.x]
p.copy(tempC = 24f + (v - mean) * 0.02f)
}
_state.value = _state.value.copy(
centerTempC = 24f + (demoNuc[60 * 160 + 80] - mean) * 0.02f,
maxTempC = 24f + (mx - mean) * 0.02f,
minTempC = 24f + (mn - mean) * 0.02f,
maxPos = mxPos,
minPos = mnPos,
probes = probes,
)
return
}
if (!session.isStreaming()) return
val center = session.probeTemp(80, 60)
val nuc = IntArray(19200)
val ok = session.copyNuc(nuc)
if (!ok) return
if (!session.copyNuc(nuc)) return
updateTemps(center, nuc)
}
private val demoNuc = IntArray(19200)
private fun updateTemps(center: Int?, nuc: IntArray) {
var mn = Int.MAX_VALUE
var mx = -1
var mnPos = -1
@@ -226,7 +350,6 @@ class LiveViewModel(app: Application) : AndroidViewModel(app) {
mxPos = i
}
}
// probe temperatures
val probes = _state.value.probes.map { p ->
p.copy(tempC = TempMath.countsToTempMc(nuc[p.y * 160 + p.x]) / 1000f)
}
@@ -241,6 +364,7 @@ class LiveViewModel(app: Application) : AndroidViewModel(app) {
}
override fun onCleared() {
demoPipeline = null
session.destroy()
super.onCleared()
}
android/app/src/main/res/drawable/ic_camera.xml
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@@ -1,5 +1,5 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android" android:width="24dp" android:height="24dp" android:viewportWidth="24" android:viewportHeight="24">
<path android:pathData="M4,7 L4,19 L20,19 L20,7 Z" android:strokeColor="#FF000000" android:strokeWidth="2" android:fillColor="#00000000" />
<path android:pathData="M9,7 L9,5 L15,5 L15,7" android:strokeColor="#FF000000" android:strokeWidth="2" android:fillColor="#00000000" />
<path android:pathData="M12,13m-3,0a3,3 0 1,1 6,0a3,3 0 1,1 -6,0" android:strokeColor="#FF000000" android:strokeWidth="2" android:fillColor="#00000000" />
<path android:pathData="M12,13m-3,0a3,3 0 1,0 6,0a3,3 0 1,0 -6,0" android:strokeColor="#FF000000" android:strokeWidth="2" android:fillColor="#00000000" />
</vector>
android/app/src/main/res/drawable/ic_ffc.xml
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@@ -1,5 +1,5 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android" android:width="24dp" android:height="24dp" android:viewportWidth="24" android:viewportHeight="24">
<path android:pathData="M5,12a7,7 0 1,0 14,0a7,7 0 1,0 -14,0z" android:strokeColor="#FF000000" android:strokeWidth="2" android:fillColor="#00000000" />
<path android:pathData="M12,3 L12,7 M12,17 L12,21 M3,12 L7,12 M17,12 L21,12" android:strokeColor="#FF000000" android:strokeWidth="2" />
<path android:pathData="M12,5a7,7 0 1,0 0.001,0z" android:strokeColor="#FF000000" android:strokeWidth="2" android:fillColor="#00000000" />
<path android:pathData="M12,12m-2.5,0a2.5,2.5 0 1,1 5,0a2.5,2.5 0 1,1 -5,0" android:fillColor="#FF000000" />
</vector>
android/app/src/main/res/drawable/ic_record.xml
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@@ -1,4 +1,4 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android" android:width="24dp" android:height="24dp" android:viewportWidth="24" android:viewportHeight="24">
<path android:pathData="M12,4a8,8 0 1,0 0.001,0z" android:strokeColor="#FFD32F2F" android:strokeWidth="2.5" android:fillColor="#00000000" />
<path android:pathData="M12,8a4,4 0 1,0 8,0a4,4 0 1,0 -8,0z" android:strokeColor="#FFD32F2F" android:strokeWidth="2.5" android:fillColor="#00000000" />
<path android:pathData="M12,12m-4,0a4,4 0 1,1 8,0a4,4 0 1,1 -8,0" android:fillColor="#FFD32F2F" />
</vector>
android/app/src/main/res/drawable/ic_zoom.xml
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@@ -1,4 +1,4 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android" android:width="24dp" android:height="24dp" android:viewportWidth="24" android:viewportHeight="24">
<path android:pathData="M10.5,3a7.5,7.5 0 1,0 0.001,0z" android:strokeColor="#FF000000" android:strokeWidth="2.5" android:fillColor="#00000000" />
<path android:pathData="M3,10.5a7.5,7.5 0 1,0 15,0a7.5,7.5 0 1,0 -15,0z" android:strokeColor="#FF000000" android:strokeWidth="2.5" android:fillColor="#00000000" />
<path android:pathData="M16,16 L21,21" android:strokeColor="#FF000000" android:strokeWidth="2.5" />
</vector>
build-artifacts/mag160c-app-debug.apk
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