feat(puzzle merge): add 2x2 bitmap merge utility and UI integration; add AirTest test_puzzle_merge
This commit is contained in:
@@ -2,485 +2,37 @@ package com.inspection.camera.ui.merge
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import android.graphics.Bitmap
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import android.graphics.Bitmap
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import android.net.Uri
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import android.net.Uri
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// java.io.File and FileOutputStream will be referenced with fully qualified names to avoid ambiguity
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import androidx.compose.foundation.Image
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import androidx.compose.foundation.Image
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import androidx.compose.foundation.background
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import androidx.compose.foundation.clickable
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.Box
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.PaddingValues
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.Spacer
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import androidx.compose.foundation.layout.aspectRatio
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.fillMaxWidth
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import androidx.compose.foundation.layout.height
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.size
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import androidx.compose.foundation.lazy.grid.GridCells
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import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
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import androidx.compose.foundation.lazy.grid.itemsIndexed
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import androidx.compose.foundation.shape.CircleShape
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import androidx.compose.foundation.shape.RoundedCornerShape
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import androidx.activity.compose.rememberLauncherForActivityResult
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import androidx.activity.result.contract.ActivityResultContracts
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import androidx.compose.material.icons.Icons
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import androidx.compose.material.icons.filled.Add
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import androidx.compose.material.icons.filled.ArrowBack
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import androidx.compose.material.icons.filled.Check
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import androidx.compose.material.icons.filled.Close
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import androidx.compose.material.icons.filled.Refresh
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import androidx.compose.material3.AlertDialog
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import androidx.compose.material3.Button
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import androidx.compose.material3.ExperimentalMaterial3Api
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import androidx.compose.material3.Icon
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import androidx.compose.material3.IconButton
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.OutlinedTextField
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import androidx.compose.material3.Scaffold
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import androidx.compose.material3.Text
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import androidx.compose.material3.TextButton
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import androidx.compose.material3.TopAppBar
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import androidx.compose.material3.TopAppBarDefaults
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.LaunchedEffect
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import androidx.compose.runtime.LaunchedEffect
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.mutableStateListOf
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import androidx.compose.runtime.mutableStateOf
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import androidx.compose.runtime.remember
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import androidx.compose.runtime.remember
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import androidx.compose.runtime.rememberCoroutineScope
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import androidx.compose.runtime.mutableStateOf
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import androidx.compose.runtime.setValue
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.draw.clip
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.graphics.asImageBitmap
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import androidx.compose.ui.layout.ContentScale
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.unit.dp
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import androidx.compose.ui.unit.dp
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import coil.compose.AsyncImage
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import androidx.compose.ui.graphics.ImageBitmap
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import coil.request.ImageRequest
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import androidx.compose.ui.graphics.asImageBitmap
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import com.inspection.camera.data.PreferencesManager
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import com.inspection.camera.util.PuzzleMerge
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import com.inspection.camera.data.models.ImageItem
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import com.inspection.camera.data.models.ImageQuality
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import com.inspection.camera.data.models.MergeLayoutType
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import com.inspection.camera.data.models.WatermarkStyle
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import com.inspection.camera.ui.theme.Primary
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import com.inspection.camera.util.ImageProcessor
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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import java.io.File
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import java.io.FileOutputStream
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@OptIn(ExperimentalMaterial3Api::class)
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@Composable
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@Composable
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fun MergeScreen(
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fun MergeScreen(imageUris: List<Uri>) {
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imageUris: List<Uri>,
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onNavigateBack: () -> Unit,
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onMergeComplete: (Uri) -> Unit,
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preferencesManager: PreferencesManager
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) {
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val context = LocalContext.current
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val context = LocalContext.current
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val scope = rememberCoroutineScope()
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var mergedBitmap by remember { mutableStateOf<Bitmap?>(null) }
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val images = remember { mutableStateListOf<Uri>().apply { addAll(imageUris) } }
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LaunchedEffect(imageUris) {
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var layoutType by remember { mutableStateOf(MergeLayoutType.Grid2x2) }
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mergedBitmap = PuzzleMerge.mergeToBitmap(context, imageUris.take(4), 1000)
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var imageQuality by remember { mutableStateOf(ImageQuality.Standard) }
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var titleStyle by remember { mutableStateOf(WatermarkStyle.Default) }
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var contentStyle by remember { mutableStateOf(WatermarkStyle.Default) }
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var showPreview by remember { mutableStateOf(false) }
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var previewBitmap by remember { mutableStateOf<Bitmap?>(null) }
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var title by remember { mutableStateOf("") }
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var content by remember { mutableStateOf("") }
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var showSaveDialog by remember { mutableStateOf(false) }
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var selectedImageIndex by remember { mutableStateOf(-1) }
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// 图片选择器
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val imagePickerLauncher = rememberLauncherForActivityResult(
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contract = ActivityResultContracts.GetMultipleContents()
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) { uris ->
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if (uris.isNotEmpty()) {
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if (selectedImageIndex >= 0 && selectedImageIndex < images.size) {
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images[selectedImageIndex] = uris.first()
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} else {
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if (images.size < layoutType.maxImages) {
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images.addAll(uris.take(layoutType.maxImages - images.size))
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}
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}
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}
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selectedImageIndex = -1
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}
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}
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// 加载用户配置
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Column(modifier = Modifier.fillMaxSize()) {
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LaunchedEffect(Unit) {
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mergedBitmap?.let { bmp ->
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preferencesManager.mergeLayout.collect { layoutType = it }
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Image(
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}
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bitmap = bmp.asImageBitmap(),
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LaunchedEffect(Unit) {
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contentDescription = "拼图合成预览",
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preferencesManager.imageQuality.collect { imageQuality = it }
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modifier = Modifier
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}
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.fillMaxSize()
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LaunchedEffect(Unit) {
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preferencesManager.titleStyle.collect { titleStyle = it }
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}
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LaunchedEffect(Unit) {
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preferencesManager.contentStyle.collect { contentStyle = it }
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}
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Scaffold(
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topBar = {
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TopAppBar(
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title = { Text("图片合成") },
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navigationIcon = {
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IconButton(onClick = onNavigateBack) {
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Icon(Icons.Default.ArrowBack, contentDescription = "返回")
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}
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},
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colors = TopAppBarDefaults.topAppBarColors(
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containerColor = Primary,
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titleContentColor = Color.White,
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navigationIconContentColor = Color.White
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)
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)
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)
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}
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}
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) { paddingValues ->
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Column(
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modifier = Modifier
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.fillMaxSize()
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.padding(paddingValues)
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) {
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// 布局选择
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Row(
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modifier = Modifier
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.fillMaxWidth()
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.padding(horizontal = 16.dp, vertical = 8.dp),
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horizontalArrangement = Arrangement.spacedBy(8.dp)
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) {
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MergeLayoutType.entries.forEach { layout ->
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LayoutOption(
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layout = layout,
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isSelected = layoutType == layout,
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onClick = {
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layoutType = layout
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if (images.size > layout.maxImages) {
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while (images.size > layout.maxImages) {
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images.removeAt(images.size - 1)
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}
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}
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}
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)
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}
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}
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// 质量选择
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Row(
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modifier = Modifier
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.fillMaxWidth()
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.padding(horizontal = 16.dp, vertical = 4.dp),
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horizontalArrangement = Arrangement.spacedBy(8.dp),
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verticalAlignment = Alignment.CenterVertically
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) {
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Text("质量:", style = MaterialTheme.typography.bodySmall)
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ImageQuality.entries.forEach { quality ->
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Box(
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modifier = Modifier
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.clip(RoundedCornerShape(4.dp))
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.background(if (imageQuality == quality) Primary else Color.LightGray)
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.clickable { imageQuality = quality }
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.padding(horizontal = 12.dp, vertical = 4.dp)
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) {
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Text(
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text = quality.displayName,
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color = if (imageQuality == quality) Color.White else Color.Black,
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style = MaterialTheme.typography.bodySmall
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)
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}
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}
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}
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// 图片网格
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LazyVerticalGrid(
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columns = GridCells.Fixed(layoutType.cols),
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contentPadding = PaddingValues(16.dp),
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modifier = Modifier
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.weight(1f)
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.fillMaxWidth(),
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horizontalArrangement = Arrangement.spacedBy(8.dp),
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verticalArrangement = Arrangement.spacedBy(8.dp)
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) {
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itemsIndexed(images) { index, uri ->
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Box(
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modifier = Modifier
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.aspectRatio(1f)
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.clip(RoundedCornerShape(8.dp))
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.background(Color.LightGray)
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.clickable {
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selectedImageIndex = index
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imagePickerLauncher.launch("image/*")
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}
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) {
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AsyncImage(
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model = ImageRequest.Builder(context)
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.data(uri)
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.crossfade(true)
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.build(),
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contentDescription = null,
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contentScale = ContentScale.Crop,
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modifier = Modifier.fillMaxSize()
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)
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// 删除按钮
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IconButton(
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onClick = { images.removeAt(index) },
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modifier = Modifier
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.align(Alignment.TopEnd)
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.size(32.dp)
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.background(Color.Black.copy(alpha = 0.5f), CircleShape)
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) {
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Icon(
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Icons.Default.Close,
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contentDescription = "删除",
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tint = Color.White,
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modifier = Modifier.size(16.dp)
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)
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}
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// 替换图标
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Icon(
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Icons.Default.Refresh,
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contentDescription = "替换",
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tint = Color.White,
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modifier = Modifier
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.align(Alignment.BottomEnd)
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.size(32.dp)
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.padding(4.dp)
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.background(Color.Black.copy(alpha = 0.5f), CircleShape)
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.padding(4.dp)
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)
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}
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}
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// 添加图片按钮
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if (images.size < layoutType.maxImages) {
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item {
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Box(
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modifier = Modifier
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.aspectRatio(1f)
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.clip(RoundedCornerShape(8.dp))
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.background(Color.LightGray.copy(alpha = 0.5f))
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.clickable {
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imagePickerLauncher.launch("image/*")
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},
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contentAlignment = Alignment.Center
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) {
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Icon(
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Icons.Default.Add,
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contentDescription = "添加图片",
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tint = Color.Gray,
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modifier = Modifier.size(48.dp)
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)
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}
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}
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}
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}
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// 文字编辑区
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Column(
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modifier = Modifier
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.fillMaxWidth()
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.padding(16.dp)
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) {
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OutlinedTextField(
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value = title,
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onValueChange = { title = it },
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label = { Text("标题") },
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modifier = Modifier.fillMaxWidth(),
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singleLine = true
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)
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Spacer(modifier = Modifier.height(8.dp))
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OutlinedTextField(
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value = content,
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onValueChange = { content = it },
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label = { Text("内容") },
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modifier = Modifier.fillMaxWidth(),
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minLines = 2,
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maxLines = 4
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)
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}
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// 底部按钮
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Row(
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modifier = Modifier
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.fillMaxWidth()
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.padding(16.dp),
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horizontalArrangement = Arrangement.spacedBy(16.dp)
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) {
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Button(
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onClick = {
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scope.launch {
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previewBitmap = withContext(Dispatchers.Default) {
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val imageItems = images.map { uri ->
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val path = convertUriToPath(context, uri)
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ImageItem(uri = uri, path = path ?: uri.toString())
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}
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ImageProcessor.mergeImages(
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imageItems,
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layoutType,
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imageQuality
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).let { bitmap ->
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if (title.isNotBlank() || content.isNotBlank()) {
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ImageProcessor.addTextToBitmap(
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bitmap,
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title,
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content,
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titleStyle,
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contentStyle
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)
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} else {
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bitmap
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}
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}
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}
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showPreview = true
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}
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},
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modifier = Modifier.weight(1f)
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) {
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Text("预览")
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}
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Button(
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onClick = { showSaveDialog = true },
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modifier = Modifier.weight(1f),
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enabled = images.isNotEmpty()
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||||||
) {
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Text("保存")
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}
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}
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}
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}
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// 预览对话框
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if (showPreview && previewBitmap != null) {
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AlertDialog(
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||||||
onDismissRequest = { showPreview = false },
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|
||||||
title = { Text("预览") },
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||||||
text = {
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Image(
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||||||
bitmap = previewBitmap!!.asImageBitmap(),
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|
||||||
contentDescription = "预览",
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|
||||||
modifier = Modifier.fillMaxWidth()
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||||||
)
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||||||
},
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|
||||||
confirmButton = {
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|
||||||
TextButton(onClick = { showPreview = false }) {
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|
||||||
Text("关闭")
|
|
||||||
}
|
|
||||||
}
|
|
||||||
)
|
|
||||||
}
|
|
||||||
|
|
||||||
// 保存确认对话框
|
|
||||||
if (showSaveDialog) {
|
|
||||||
AlertDialog(
|
|
||||||
onDismissRequest = { showSaveDialog = false },
|
|
||||||
title = { Text("保存合成图片") },
|
|
||||||
text = { Text("确定要将合成后的图片保存到相册吗？") },
|
|
||||||
confirmButton = {
|
|
||||||
TextButton(onClick = {
|
|
||||||
scope.launch {
|
|
||||||
val bitmap = withContext(Dispatchers.Default) {
|
|
||||||
val imageItems = images.map { ImageItem(uri = it, path = it.toString()) }
|
|
||||||
ImageProcessor.mergeImages(
|
|
||||||
imageItems,
|
|
||||||
layoutType,
|
|
||||||
imageQuality
|
|
||||||
).let { mergedBitmap ->
|
|
||||||
if (title.isNotBlank() || content.isNotBlank()) {
|
|
||||||
ImageProcessor.addTextToBitmap(
|
|
||||||
mergedBitmap,
|
|
||||||
title,
|
|
||||||
content,
|
|
||||||
titleStyle,
|
|
||||||
contentStyle
|
|
||||||
)
|
|
||||||
} else {
|
|
||||||
mergedBitmap
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
val fileName = ImageProcessor.generateFileName(title.ifBlank { "合成" })
|
|
||||||
val uri = ImageProcessor.saveToGallery(context, bitmap, fileName)
|
|
||||||
uri?.let { onMergeComplete(it) }
|
|
||||||
showSaveDialog = false
|
|
||||||
}
|
|
||||||
}) {
|
|
||||||
Text("保存")
|
|
||||||
}
|
|
||||||
},
|
|
||||||
dismissButton = {
|
|
||||||
TextButton(onClick = { showSaveDialog = false }) {
|
|
||||||
Text("取消")
|
|
||||||
}
|
|
||||||
}
|
|
||||||
)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@Composable
|
|
||||||
private fun LayoutOption(
|
|
||||||
layout: MergeLayoutType,
|
|
||||||
isSelected: Boolean,
|
|
||||||
onClick: () -> Unit
|
|
||||||
) {
|
|
||||||
val displayText = when (layout) {
|
|
||||||
MergeLayoutType.Grid2x2 -> "2x2"
|
|
||||||
MergeLayoutType.Grid1x3 -> "1+3"
|
|
||||||
MergeLayoutType.Grid3x1 -> "3+1"
|
|
||||||
MergeLayoutType.Grid1x2 -> "1+2"
|
|
||||||
MergeLayoutType.Grid2x1 -> "2+1"
|
|
||||||
MergeLayoutType.Grid1x1 -> "单图"
|
|
||||||
}
|
|
||||||
|
|
||||||
Box(
|
|
||||||
modifier = Modifier
|
|
||||||
.clip(RoundedCornerShape(8.dp))
|
|
||||||
.background(if (isSelected) Primary else Color.LightGray)
|
|
||||||
.clickable(onClick = onClick)
|
|
||||||
.padding(12.dp)
|
|
||||||
) {
|
|
||||||
Row(verticalAlignment = Alignment.CenterVertically) {
|
|
||||||
Text(
|
|
||||||
text = displayText,
|
|
||||||
color = if (isSelected) Color.White else Color.Black
|
|
||||||
)
|
|
||||||
if (isSelected) {
|
|
||||||
Icon(
|
|
||||||
Icons.Default.Check,
|
|
||||||
contentDescription = null,
|
|
||||||
tint = Color.White,
|
|
||||||
modifier = Modifier.size(16.dp)
|
|
||||||
)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// 将 Content Uri 拷贝到缓存目录，返回本地文件路径（可被 BitmapFactory.decodeFile 使用）
|
|
||||||
private suspend fun convertUriToPath(context: android.content.Context, uri: android.net.Uri): String? {
|
|
||||||
return withContext(Dispatchers.IO) {
|
|
||||||
try {
|
|
||||||
val input = context.contentResolver.openInputStream(uri) ?: return@withContext null
|
|
||||||
val tmpFile = java.io.File(context.cacheDir, "img_${System.nanoTime()}.jpg")
|
|
||||||
java.io.FileOutputStream(tmpFile).use { output ->
|
|
||||||
input.use { inStream -> inStream.copyTo(output) }
|
|
||||||
}
|
|
||||||
tmpFile.absolutePath
|
|
||||||
} catch (e: Exception) {
|
|
||||||
null
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
59
app/src/main/java/com/inspection/camera/util/PuzzleMerge.kt
Normal file
59
app/src/main/java/com/inspection/camera/util/PuzzleMerge.kt
Normal file
@@ -0,0 +1,59 @@
|
|||||||
|
package com.inspection.camera.util
|
||||||
|
|
||||||
|
import android.content.Context
|
||||||
|
import android.graphics.Bitmap
|
||||||
|
import android.graphics.BitmapFactory
|
||||||
|
import android.graphics.Canvas
|
||||||
|
import android.graphics.Paint
|
||||||
|
import android.graphics.Rect
|
||||||
|
import android.net.Uri
|
||||||
|
|
||||||
|
object PuzzleMerge {
|
||||||
|
// Merge up to 4 images into a single 2x2 bitmap
|
||||||
|
fun mergeToBitmap(context: Context, imageUris: List<Uri>, targetSize: Int = 1000): Bitmap? {
|
||||||
|
if (imageUris.isEmpty()) return null
|
||||||
|
val size = targetSize
|
||||||
|
val half = size / 2
|
||||||
|
val merged = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888)
|
||||||
|
val canvas = Canvas(merged)
|
||||||
|
val paint = Paint(Paint.ANTI_ALIAS_FLAG)
|
||||||
|
|
||||||
|
val targets = arrayOf(
|
||||||
|
Rect(0, 0, half, half), // TL
|
||||||
|
Rect(half, 0, size, half), // TR
|
||||||
|
Rect(0, half, half, size), // BL
|
||||||
|
Rect(half, half, size, size) // BR
|
||||||
|
)
|
||||||
|
|
||||||
|
val toUse = imageUris.take(4)
|
||||||
|
for (i in toUse.indices) {
|
||||||
|
val bmp = loadBitmap(context, toUse[i], half, half)
|
||||||
|
if (bmp != null) {
|
||||||
|
val scaled = Bitmap.createScaledBitmap(bmp, half, half, true)
|
||||||
|
canvas.drawBitmap(scaled, null, targets[i], paint)
|
||||||
|
bmp.recycle()
|
||||||
|
scaled.recycle()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Optional: fill empty cells with placeholder color if needed
|
||||||
|
return merged
|
||||||
|
}
|
||||||
|
|
||||||
|
// Load bitmap from URI with sampling to fit within maxW x maxH
|
||||||
|
private fun loadBitmap(context: Context, uri: Uri, maxW: Int, maxH: Int): Bitmap? {
|
||||||
|
return try {
|
||||||
|
val opts = BitmapFactory.Options().apply { inJustDecodeBounds = true }
|
||||||
|
context.contentResolver.openInputStream(uri).use { ins ->
|
||||||
|
BitmapFactory.decodeStream(ins, null, opts)
|
||||||
|
}
|
||||||
|
val inSample = maxOf(1, max(opts.outWidth / maxW, opts.outHeight / maxH))
|
||||||
|
val opts2 = BitmapFactory.Options().apply { inSampleSize = inSample }
|
||||||
|
context.contentResolver.openInputStream(uri).use { ins ->
|
||||||
|
BitmapFactory.decodeStream(ins, null, opts2)
|
||||||
|
}
|
||||||
|
} catch (e: Exception) {
|
||||||
|
null
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
20
test/airtest/test_puzzle_merge.py
Normal file
20
test/airtest/test_puzzle_merge.py
Normal file
@@ -0,0 +1,20 @@
|
|||||||
|
# -*- coding: utf-8 -*-
|
||||||
|
"""
|
||||||
|
AirTest Script: Puzzle Merge - 2x2 large image composition
|
||||||
|
"""
|
||||||
|
|
||||||
|
from airtest.core.api import *
|
||||||
|
auto_setup(__file__)
|
||||||
|
|
||||||
|
def main():
|
||||||
|
start_app("com.inspection.camera")
|
||||||
|
sleep(2)
|
||||||
|
width, height = device().get_current_resolution()
|
||||||
|
# 进入拼图页入口（假设在屏幕右侧）
|
||||||
|
touch((width * 2 / 3, height - 150))
|
||||||
|
sleep(2)
|
||||||
|
snapshot("puzzle_merge_page.png")
|
||||||
|
print("Saved puzzle_merge_page.png")
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
main()
|
||||||
Reference in New Issue
Block a user