feat: enhance photo capturing and uploading features with auto-capture and image cropping
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@@ -8,6 +8,8 @@ const canvasRef = ref<HTMLCanvasElement>()
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const photos = ref<string[]>([])
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const currentPhotoIndex = ref(0)
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const isCapturing = ref(false)
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const isAutoCapturing = ref(false)
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const countdown = ref(0)
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const stream = ref<MediaStream | null>(null)
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const totalPhotos = 4
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@@ -25,8 +27,8 @@ const startCamera = async () => {
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const constraints = {
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video: {
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facingMode: 'user',
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width: { ideal: 1280 },
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height: { ideal: 720 }
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width: { ideal: 720 },
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height: { ideal: 960 }
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}
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}
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@@ -47,7 +49,7 @@ const stopCamera = () => {
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}
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}
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const capturePhoto = () => {
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const captureSinglePhoto = () => {
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if (!videoRef.value || !canvasRef.value || isCapturing.value) return
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isCapturing.value = true
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@@ -58,26 +60,88 @@ const capturePhoto = () => {
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if (!context) return
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// ตั้งค่าขนาด canvas ให้ตรงกับ video
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canvas.width = video.videoWidth
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canvas.height = video.videoHeight
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const videoWidth = video.videoWidth
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const videoHeight = video.videoHeight
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// วาดภาพจาก video ไปยัง canvas
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context.drawImage(video, 0, 0, canvas.width, canvas.height)
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// คำนวณขนาดสำหรับ 3:4 aspect ratio
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const targetAspectRatio = 3/4 // width:height = 3:4
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let cropWidth, cropHeight, cropX, cropY
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if (videoWidth / videoHeight > targetAspectRatio) {
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// ภาพกว้างกว่าที่ต้องการ - ครอบด้านข้าง
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cropHeight = videoHeight
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cropWidth = videoHeight * targetAspectRatio
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cropX = (videoWidth - cropWidth) / 2
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cropY = 0
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} else {
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// ภาพสูงกว่าที่ต้องการ - ครอบด้านบน/ล่าง
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cropWidth = videoWidth
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cropHeight = videoWidth / targetAspectRatio
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cropX = 0
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cropY = (videoHeight - cropHeight) / 2
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}
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// ตั้งค่าขนาด canvas เป็น 3:4 (720x960)
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const finalWidth = 720
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const finalHeight = 960
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canvas.width = finalWidth
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canvas.height = finalHeight
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// วาดภาพที่ครอบแล้วไปยัง canvas
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context.drawImage(
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video,
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cropX, cropY, cropWidth, cropHeight, // ตำแหน่งและขนาดที่ครอบจาก video
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0, 0, finalWidth, finalHeight // ตำแหน่งและขนาดใน canvas
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)
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// แปลงเป็น base64
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const photoDataUrl = canvas.toDataURL('image/jpeg', 0.9)
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photos.value.push(photoDataUrl)
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currentPhotoIndex.value++
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// ถ่ายครบ 4 รูปแล้ว ไปหน้าถัดไป
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if (currentPhotoIndex.value >= totalPhotos) {
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proceedToNext()
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}
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setTimeout(() => {
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isCapturing.value = false
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}, 500)
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}, 200)
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}
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const startAutoCapture = () => {
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if (isAutoCapturing.value) return
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isAutoCapturing.value = true
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photos.value = []
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currentPhotoIndex.value = 0
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const captureNextPhoto = () => {
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if (currentPhotoIndex.value >= totalPhotos) {
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// ถ่ายครบแล้ว ไปหน้าถัดไป
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isAutoCapturing.value = false
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proceedToNext()
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return
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}
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// นับถอยหลังสำหรับรูปปัจจุบัน
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countdown.value = 3
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const countdownInterval = setInterval(() => {
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countdown.value--
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if (countdown.value <= 0) {
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clearInterval(countdownInterval)
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countdown.value = 0
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// ถ่ายภาพ
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captureSinglePhoto()
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// ถ่ายรูปต่อไปหลังจาก delay สั้นๆ
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setTimeout(() => {
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captureNextPhoto()
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}, 500)
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}
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}, 1000)
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}
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// เริ่มถ่ายรูปแรก
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captureNextPhoto()
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}
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const proceedToNext = () => {
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@@ -95,6 +159,8 @@ const goBack = () => {
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const retakePhoto = () => {
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photos.value = []
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currentPhotoIndex.value = 0
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isAutoCapturing.value = false
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countdown.value = 0
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}
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</script>
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@@ -121,22 +187,29 @@ const retakePhoto = () => {
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<div class="capture-guide">
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<div class="guide-frame"></div>
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</div>
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<!-- Countdown overlay -->
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<div v-if="countdown > 0" class="countdown-overlay">
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<div class="countdown-info">รูปที่ {{ currentPhotoIndex + 1 }}</div>
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<div class="countdown-number">{{ countdown }}</div>
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</div>
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</div>
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</div>
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<div class="controls">
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<button
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@click="capturePhoto"
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:disabled="isCapturing"
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@click="startAutoCapture"
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:disabled="isAutoCapturing || currentPhotoIndex >= totalPhotos"
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class="capture-button"
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:class="{ capturing: isCapturing }"
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:class="{ capturing: isAutoCapturing }"
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>
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<span v-if="!isCapturing">📷 ถ่ายภาพ</span>
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<span v-else>กำลังถ่าย...</span>
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<span v-if="!isAutoCapturing && currentPhotoIndex === 0">📷 ถ่ายทั้ง 4 รูป</span>
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<span v-else-if="isAutoCapturing">กำลังถ่าย...</span>
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<span v-else>ถ่ายเสร็จแล้ว</span>
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</button>
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<button
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v-if="currentPhotoIndex > 0 && currentPhotoIndex < totalPhotos"
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v-if="currentPhotoIndex > 0 && !isAutoCapturing"
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@click="retakePhoto"
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class="retake-button"
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>
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@@ -211,8 +284,8 @@ const retakePhoto = () => {
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.camera-container {
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position: relative;
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width: 100%;
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max-width: 500px;
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aspect-ratio: 4/3;
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max-width: 400px;
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aspect-ratio: 3/4;
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border-radius: 16px;
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overflow: hidden;
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box-shadow: 0 8px 32px rgba(0,0,0,0.3);
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@@ -237,6 +310,36 @@ const retakePhoto = () => {
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pointer-events: none;
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}
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.countdown-overlay {
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background: rgba(0, 0, 0, 0.7);
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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animation: countdownFade 1s ease-in-out;
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}
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.countdown-info {
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font-size: 1.5rem;
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font-weight: bold;
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color: white;
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margin-bottom: 1rem;
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text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
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}
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.countdown-number {
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font-size: 8rem;
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font-weight: bold;
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color: white;
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text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
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animation: countdownPulse 1s ease-in-out;
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}
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.capture-guide {
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width: 100%;
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height: 100%;
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@@ -319,8 +422,8 @@ const retakePhoto = () => {
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.preview-item {
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position: relative;
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width: 80px;
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height: 80px;
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width: 60px;
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aspect-ratio: 3/4;
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border-radius: 8px;
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overflow: hidden;
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}
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@@ -353,6 +456,21 @@ const retakePhoto = () => {
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100% { transform: scale(1); }
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}
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@keyframes countdownFade {
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0% { opacity: 0; }
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10% { opacity: 1; }
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90% { opacity: 1; }
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100% { opacity: 0; }
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}
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@keyframes countdownPulse {
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0% { transform: scale(0.8); opacity: 0; }
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20% { transform: scale(1.2); opacity: 1; }
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50% { transform: scale(1); }
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80% { transform: scale(1.1); }
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100% { transform: scale(1); opacity: 0; }
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}
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@media (max-width: 768px) {
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.camera-container {
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max-width: 100%;
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