feat: add filter options for images, including black & white and selfie effects, and enhance UI elements
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@@ -5,6 +5,7 @@ import { useRouter } from 'vue-router'
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const router = useRouter()
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const selectedLayout = ref<'1x4' | '2x2'>('1x4')
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const selectedFrame = ref<number>(0)
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const selectedFilter = ref<'normal' | 'black&white'>('normal')
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const layouts = [
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{ id: '1x4', name: '1x4 แนวตั้ง', cols: 1, rows: 4 },
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@@ -19,6 +20,11 @@ const frames = [
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{ id: 4, name: 'กรอบมินิมอล', preview: '/frame-minimal.svg' }
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]
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const filters = [
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{ id: 'normal', name: '🎨Color' },
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{ id: 'black&white', name: '🐈⬛Black & White' }
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]
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const selectLayout = (layoutId: string) => {
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selectedLayout.value = layoutId as '1x4' | '2x2'
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}
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@@ -27,11 +33,17 @@ const selectFrame = (frameId: number) => {
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selectedFrame.value = frameId
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}
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const selectFilter = (filterId: string) => {
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selectedFilter.value = filterId as 'normal' | 'black&white'
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}
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const proceedToSource = () => {
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// เก็บข้อมูล layout และ frame ที่เลือกไว้ใน localStorage หรือ state management
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localStorage.setItem('photobooth-layout', selectedLayout.value)
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localStorage.setItem('photobooth-frame', selectedFrame.value.toString())
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localStorage.setItem('photobooth-filter', selectedFilter.value)
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router.push('/selectsource')
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}
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@@ -70,6 +82,32 @@ const goBack = () => {
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</div>
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</section>
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<section class="filter-section">
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<!-- <h2>เลือกฟิลเตอร์</h2> -->
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<div class="filter-options">
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<div
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v-for="filter in filters"
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:key="filter.id"
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:class="['filter-option', { selected: selectedFilter === filter.id }]"
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@click="selectFilter(filter.id)"
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>
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<span>{{ filter.name }}</span>
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</div>
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</div>
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</section>
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<section class="action-section">
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<button @click="proceedToSource" class="next-button">
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ถัดไป
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@@ -145,7 +183,7 @@ const goBack = () => {
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text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
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}
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.layout-section, .frame-section {
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.layout-section, .frame-section, .filter-section {
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margin-bottom: 2rem;
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}
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@@ -157,14 +195,14 @@ h2 {
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text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
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}
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.layout-options, .frame-options {
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.layout-options, .frame-options, .filter-options {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
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gap: 1.5rem; /* Increased gap slightly */
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margin-bottom: 2rem;
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gap: 1rem; /* Increased gap slightly */
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margin-bottom: 1rem;
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}
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.layout-option, .frame-option {
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.layout-option, .frame-option, .filter-option {
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background: #fdfaf6; /* Vintage paper background */
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border: 2px solid #bcaaa4; /* Muted border */
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border-radius: 5px; /* Softer border-radius */
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@@ -175,12 +213,12 @@ h2 {
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box-shadow: 0 2px 5px rgba(0,0,0,0.08);
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}
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.layout-option:hover, .frame-option:hover {
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.layout-option:hover, .frame-option:hover, .filter-option:hover {
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transform: translateY(-2px);
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box-shadow: 0 4px 10px rgba(0,0,0,0.15);
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}
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.layout-option.selected, .frame-option.selected {
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.layout-option.selected, .frame-option.selected, .filter-option.selected {
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border-color: #5d4037; /* Darker brown for selection */
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box-shadow: 0 0 0 3px rgba(93, 64, 55, 0.2);
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}
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@@ -196,7 +234,7 @@ h2 {
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padding: 6px; /* Reduced padding */
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border-radius: 4px;
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aspect-ratio: 3/4;
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max-width: 120px;
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max-width: 100px;
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margin: 0 auto;
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border: 1px dashed #bcaaa4; /* Dashed border for a sketched look */
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}
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@@ -247,7 +285,7 @@ h2 {
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}
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@media (max-width: 768px) {
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.layout-options, .frame-options {
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.layout-options, .frame-options, .filter-options {
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grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
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}
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h1 {
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@@ -129,7 +129,7 @@ const drawFrameBackground = (context: CanvasRenderingContext2D, width: number, h
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switch (frameType) {
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case 0: // Classic frame
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context.fillStyle = '#000000';
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context.fillStyle = '#ffffff';
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context.fillRect(0, 0, width, height);
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break;
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case 1: // Modern frame
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@@ -14,6 +14,10 @@ const goToUpload = () => {
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const goBack = () => {
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router.push('/frame')
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}
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const goToHome = () => {
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router.push('/frame')
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}
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</script>
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<template>
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@@ -43,6 +47,19 @@ const goBack = () => {
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<!-- <div class="arrow">→</div> -->
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</div>
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</section>
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<section class="options-fillter">
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<!-- switch filter black&white -->
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</section>
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<footer class="footer-actions">
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<button @click="goToHome" class="start-button">กลับหน้าแรก</button>
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</footer>
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</div>
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</template>
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@@ -138,6 +155,32 @@ const goBack = () => {
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box-shadow: inset 0 2px 4px rgba(0,0,0,0.1); /* Inner shadow for depth */
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}
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.start-button {
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background: #8d6e63; /* Vintage brown button */
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margin-top: 2rem;
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color: #fdfaf6;
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border: none;
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padding: 1.2rem 2.5rem;
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font-size: 1.1rem;
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font-weight: bold;
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border-radius: 15px;
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cursor: pointer;
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transition: all 0.3s ease;
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box-shadow: 0 4px 10px rgba(0,0,0,0.2);
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text-transform: uppercase;
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letter-spacing: 1px;
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display: flex;
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align-items: center;
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}
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.start-button:hover {
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background: #795548;
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margin-right: 0.5rem;
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transform: translateY(-1px);
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font-size: 1.2rem;
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box-shadow: 0 6px 15px rgba(0,0,0,0.3);
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}
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.option-card h3 {
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margin: 0 0 0.5rem 0;
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color: #5d4037; /* Darker brown for heading */
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@@ -159,7 +202,11 @@ const goBack = () => {
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font-weight: bold;
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}
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@media (max-width: 768px) {
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.footer-actions {
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display: flex;
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justify-content: center;
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margin-top: 2rem;
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}
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.option-card {
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flex-direction: column;
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text-align: center;
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@@ -175,5 +222,5 @@ const goBack = () => {
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.header h1 {
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font-size: 1.8rem;
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}
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}
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</style>
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@@ -123,6 +123,65 @@ const addVignette = (ctx: CanvasRenderingContext2D, w: number, h: number, streng
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ctx.fillRect(0, 0, w, h);
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};
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const applyBlackAndWhite = (context: CanvasRenderingContext2D, width: number, height: number, volume: number = 5) => {
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const imageData = context.getImageData(0, 0, width, height);
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const data = imageData.data;
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// 1. คำนวณ Contrast ตาม Volume (ยิ่งเยอะ ยิ่งตัดกันเข้ม)
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const contrast = (volume / 10) * 80; // ปรับความเข้มข้น (0-80)
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const contrastFactor = (259 * (contrast + 255)) / (255 * (259 - contrast));
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// 2. ปรับ Brightness (Exposure) ชดเชยเวลา Contrast สูงๆ แล้วภาพมืด
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const brightness = volume * 2;
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for (let i = 0; i < data.length; i += 4) {
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const r = data[i]!;
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const g = data[i + 1]!;
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const b = data[i + 2]!;
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// --- STEP 1: Grayscale Conversion (สูตร Portrait) ---
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// ปกติ: r*0.3, g*0.59, b*0.11
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// สูตรนี้: เพิ่มน้ำหนัก Red เป็น 0.4 เพื่อให้ "ผิวคน" ดูสว่างขึ้น (Skin Tone Brightening)
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let gray = (r * 0.4) + (g * 0.5) + (b * 0.1);
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// --- STEP 2: Apply Contrast & Brightness ---
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gray = contrastFactor * (gray - 128) + 128 + brightness;
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// --- STEP 3: Clamp Values ---
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// บังคับค่าให้อยู่ในช่วง 0-255 และกำหนดให้ทั้ง R, G, B เท่ากัน (เพื่อเป็นสีเทา)
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const finalGray = Math.max(0, Math.min(255, gray));
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data[i] = finalGray; // R
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data[i + 1] = finalGray; // G
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data[i + 2] = finalGray; // B
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// data[i+3] คือ Alpha ไม่ต้องยุ่ง
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}
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context.putImageData(imageData, 0, 0);
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// --- STEP 4: Noir Effect (แสงฟุ้ง + ขอบมืด) ---
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// ถ้าปรับ volume เยอะๆ ให้เติมขอบดำ เพื่อให้ดูเป็นสไตล์ Noir/Classic
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if (volume > 3) {
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addNoirVignette(context, width, height, volume);
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}
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};
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// ฟังก์ชันสร้างขอบดำสำหรับขาวดำโดยเฉพาะ
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const addNoirVignette = (ctx: CanvasRenderingContext2D, w: number, h: number, strength: number) => {
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// ความเข้มของขอบดำ
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const opacity = (strength / 10) * 0.8; // สูงสุด 0.8 (เข้มกว่าแบบฟิล์ม)
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const radius = Math.max(w, h) * 0.7; // วงแคบกว่าฟิล์มหน่อย เพื่อเน้นหน้าคนตรงกลาง
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const gradient = ctx.createRadialGradient(w/2, h/2, w/4, w/2, h/2, radius);
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gradient.addColorStop(0, "rgba(0,0,0,0)");
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gradient.addColorStop(1, `rgba(0,0,0,${opacity})`);
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ctx.save();
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ctx.globalCompositeOperation = 'multiply'; // ใช้ Multiply ให้เงามันซึมลงไปในภาพ
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ctx.fillStyle = gradient;
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ctx.fillRect(0, 0, w, h);
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ctx.restore();
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};
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const drawDateStamp = (context: CanvasRenderingContext2D, width: number, height: number) => {
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const now = new Date();
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@@ -206,7 +265,16 @@ const captureSinglePhoto = () => {
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)
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// Apply film effect with default volume
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applyFilmEffect(context, finalWidth, finalHeight, 5);
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// applyFilmEffect(context, finalWidth, finalHeight, 2);
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const filter = localStorage.getItem('photobooth-filter') || 'normal'
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if (filter === 'black&white') {
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applyBlackAndWhite(context, finalWidth, finalHeight, 3);
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} else {
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applyFilmEffect(context, finalWidth, finalHeight, 5); // Default volume = 5
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}
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drawDateStamp(context, finalWidth, finalHeight);
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// แปลงเป็น base64 ด้วย quality 0.7 เพื่อลดขนาด
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@@ -66,7 +66,6 @@ const applyFilmEffect = (context: CanvasRenderingContext2D, width: number, heigh
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addVignette(context, width, height, volume);
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}
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};
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// ฟังก์ชันเสริมสำหรับทำขอบมืด (Vignette)
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const addVignette = (ctx: CanvasRenderingContext2D, w: number, h: number, strength: number) => {
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const opacity = (strength / 10) * 0.6; // สูงสุดที่ 0.6 opacity
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@@ -82,6 +81,143 @@ const addVignette = (ctx: CanvasRenderingContext2D, w: number, h: number, streng
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ctx.fillRect(0, 0, w, h);
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};
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const applySelfieFilter = (context: CanvasRenderingContext2D, width: number, height: number, volume: number = 5) => {
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const imageData = context.getImageData(0, 0, width, height);
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const data = imageData.data;
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// แปลง Volume เป็นค่า Config
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const brightness = (volume / 10) * 40; // เพิ่มความสว่าง (0 - 40)
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const contrast = 1.05 + (volume / 100); // เพิ่ม Contrast นิดเดียวให้ภาพไม่จม (1.05 - 1.15)
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// Factor สำหรับลดความเหลือง (Desaturation) ยิ่งเยอะผิวยิ่งดูขาวซีด
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const saturationFactor = 1 - (volume / 50); // ลดความสดสีลงนิดหน่อย
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const contrastFactor = (259 * (contrast * 255 + 255)) / (255 * (259 - contrast * 255));
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for (let i = 0; i < data.length; i += 4) {
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let r = data[i]!;
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let g = data[i + 1]!;
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let b = data[i + 2]!;
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// --- STEP 1: Brightness & Contrast ---
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// ปรับ Contrast และ Brightness พื้นฐาน
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r = contrastFactor * (r - 128) + 128 + brightness;
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g = contrastFactor * (g - 128) + 128 + brightness;
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b = contrastFactor * (b - 128) + 128 + brightness;
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// --- STEP 2: Skin Whitening Logic (Desaturation) ---
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// คำนวณค่าสีเทา (Luminance)
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const gray = r * 0.3 + g * 0.59 + b * 0.11;
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// ผสมสีเดิมเข้ากับสีเทา เพื่อลดความสดของสีผิว (ทำให้ผิวที่เหลือง/คล้ำ ดูขาวขึ้น)
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r = r * saturationFactor + gray * (1 - saturationFactor);
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g = g * saturationFactor + gray * (1 - saturationFactor);
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b = b * saturationFactor + gray * (1 - saturationFactor);
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// --- STEP 3: Tone Tuning (อมชมพูระเรื่อ) ---
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// เพิ่มสีแดงและฟ้านิดๆ ให้ดูขาวอมชมพู (ไม่เหลือง)
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r += volume * 1.5; // เพิ่มแดง
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b += volume * 0.5; // เพิ่มฟ้านิดเดียว (Cool tone)
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// Clamp values
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data[i] = Math.max(0, Math.min(255, r));
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data[i + 1] = Math.max(0, Math.min(255, g));
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data[i + 2] = Math.max(0, Math.min(255, b));
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}
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context.putImageData(imageData, 0, 0);
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// --- STEP 4: Soft Focus (หน้าเนียน) ---
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// ใช้เทคนิค Screen Layer สีขาวจางๆ ทำให้รูขุมขนหายไป หน้าดูฟุ้ง
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if (volume > 0) {
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addSoftGlow(context, width, height, volume);
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}
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};
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// ฟังก์ชันทำหน้าเนียน (Soft Glow)
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const addSoftGlow = (ctx: CanvasRenderingContext2D, w: number, h: number, strength: number) => {
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ctx.save();
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// ใช้โหมด Screen หรือ Overlay เพื่อให้ความสว่างกลืนไปกับภาพ
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ctx.globalCompositeOperation = 'screen';
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// สีขาวจางๆ ตามระดับความแรง
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const opacity = (strength / 10) * 0.15; // สูงสุด 15% (ถ้าเยอะไปหน้าจะวอก)
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ctx.fillStyle = `rgba(255, 255, 255, ${opacity})`;
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ctx.fillRect(0, 0, w, h);
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// (Optional) เพิ่มสีชมพูจางๆ ตรงกลางแก้ม (Blush Effect)
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// ถ้าต้องการให้กดแล้วดูแก้มชมพูด้วย
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/*
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const gradient = ctx.createRadialGradient(w/2, h/2, w/4, w/2, h/2, w);
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gradient.addColorStop(0, `rgba(255, 200, 200, ${opacity * 0.5})`);
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gradient.addColorStop(1, "rgba(255, 255, 255, 0)");
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ctx.fillStyle = gradient;
|
||||
ctx.fillRect(0, 0, w, h);
|
||||
*/
|
||||
|
||||
ctx.restore();
|
||||
};
|
||||
|
||||
const applyBlackAndWhite = (context: CanvasRenderingContext2D, width: number, height: number, volume: number = 5) => {
|
||||
const imageData = context.getImageData(0, 0, width, height);
|
||||
const data = imageData.data;
|
||||
|
||||
// 1. คำนวณ Contrast ตาม Volume (ยิ่งเยอะ ยิ่งตัดกันเข้ม)
|
||||
const contrast = (volume / 10) * 80; // ปรับความเข้มข้น (0-80)
|
||||
const contrastFactor = (259 * (contrast + 255)) / (255 * (259 - contrast));
|
||||
|
||||
// 2. ปรับ Brightness (Exposure) ชดเชยเวลา Contrast สูงๆ แล้วภาพมืด
|
||||
const brightness = volume * 2;
|
||||
|
||||
for (let i = 0; i < data.length; i += 4) {
|
||||
const r = data[i]!;
|
||||
const g = data[i + 1]!;
|
||||
const b = data[i + 2]!;
|
||||
|
||||
// --- STEP 1: Grayscale Conversion (สูตร Portrait) ---
|
||||
// ปกติ: r*0.3, g*0.59, b*0.11
|
||||
// สูตรนี้: เพิ่มน้ำหนัก Red เป็น 0.4 เพื่อให้ "ผิวคน" ดูสว่างขึ้น (Skin Tone Brightening)
|
||||
let gray = (r * 0.4) + (g * 0.5) + (b * 0.1);
|
||||
|
||||
// --- STEP 2: Apply Contrast & Brightness ---
|
||||
gray = contrastFactor * (gray - 128) + 128 + brightness;
|
||||
|
||||
// --- STEP 3: Clamp Values ---
|
||||
// บังคับค่าให้อยู่ในช่วง 0-255 และกำหนดให้ทั้ง R, G, B เท่ากัน (เพื่อเป็นสีเทา)
|
||||
const finalGray = Math.max(0, Math.min(255, gray));
|
||||
|
||||
data[i] = finalGray; // R
|
||||
data[i + 1] = finalGray; // G
|
||||
data[i + 2] = finalGray; // B
|
||||
// data[i+3] คือ Alpha ไม่ต้องยุ่ง
|
||||
}
|
||||
|
||||
context.putImageData(imageData, 0, 0);
|
||||
|
||||
// --- STEP 4: Noir Effect (แสงฟุ้ง + ขอบมืด) ---
|
||||
// ถ้าปรับ volume เยอะๆ ให้เติมขอบดำ เพื่อให้ดูเป็นสไตล์ Noir/Classic
|
||||
if (volume > 3) {
|
||||
addNoirVignette(context, width, height, volume);
|
||||
}
|
||||
};
|
||||
// ฟังก์ชันสร้างขอบดำสำหรับขาวดำโดยเฉพาะ
|
||||
const addNoirVignette = (ctx: CanvasRenderingContext2D, w: number, h: number, strength: number) => {
|
||||
// ความเข้มของขอบดำ
|
||||
const opacity = (strength / 10) * 0.8; // สูงสุด 0.8 (เข้มกว่าแบบฟิล์ม)
|
||||
const radius = Math.max(w, h) * 0.7; // วงแคบกว่าฟิล์มหน่อย เพื่อเน้นหน้าคนตรงกลาง
|
||||
|
||||
const gradient = ctx.createRadialGradient(w/2, h/2, w/4, w/2, h/2, radius);
|
||||
gradient.addColorStop(0, "rgba(0,0,0,0)");
|
||||
gradient.addColorStop(1, `rgba(0,0,0,${opacity})`);
|
||||
|
||||
ctx.save();
|
||||
ctx.globalCompositeOperation = 'multiply'; // ใช้ Multiply ให้เงามันซึมลงไปในภาพ
|
||||
ctx.fillStyle = gradient;
|
||||
ctx.fillRect(0, 0, w, h);
|
||||
ctx.restore();
|
||||
};
|
||||
|
||||
const drawDateStamp = (context: CanvasRenderingContext2D, width: number, height: number) => {
|
||||
const now = new Date();
|
||||
|
||||
@@ -118,6 +254,72 @@ const drawDateStamp = (context: CanvasRenderingContext2D, width: number, height:
|
||||
context.shadowBlur = 0;
|
||||
};
|
||||
|
||||
const applyRetroPop = (context: CanvasRenderingContext2D, width: number, height: number, volume: number = 5) => {
|
||||
const imageData = context.getImageData(0, 0, width, height);
|
||||
const data = imageData.data;
|
||||
|
||||
// 1. Saturation Factor (ความสด)
|
||||
// volume 5 = สดขึ้น 50%, volume 10 = สดขึ้น 100% (2 เท่า)
|
||||
const saturation = 1 + (volume / 10);
|
||||
|
||||
// 2. Contrast Factor (ความคมเข้ม)
|
||||
const contrast = (volume / 10) * 30; // 0-30
|
||||
const contrastFactor = (259 * (contrast + 255)) / (255 * (259 - contrast));
|
||||
|
||||
for (let i = 0; i < data.length; i += 4) {
|
||||
let r = data[i]!;
|
||||
let g = data[i + 1]!;
|
||||
let b = data[i + 2]!;
|
||||
|
||||
// --- STEP 1: Apply Contrast First ---
|
||||
r = contrastFactor * (r - 128) + 128;
|
||||
g = contrastFactor * (g - 128) + 128;
|
||||
b = contrastFactor * (b - 128) + 128;
|
||||
|
||||
// --- STEP 2: Boost Saturation (หัวใจหลักของฟิลเตอร์นี้) ---
|
||||
// คำนวณความสว่าง (Luminance) ของ Pixel นั้น
|
||||
const gray = 0.2989 * r + 0.5870 * g + 0.1140 * b;
|
||||
|
||||
// สูตรเร่งสี: สีใหม่ = สีเทา + (สีเดิม - สีเทา) * ความแรง
|
||||
// ยิ่งค่า Saturation มาก สีจะยิ่งดีดตัวออกจากสีเทา
|
||||
r = gray + (r - gray) * saturation;
|
||||
g = gray + (g - gray) * saturation;
|
||||
b = gray + (b - gray) * saturation;
|
||||
|
||||
// --- STEP 3: Color Grading (Retro Vibe) ---
|
||||
// เพิ่มสี Magenta (แดง+น้ำเงิน) นิดๆ ให้ดูเหมือนนิตยสารยุคเก่า
|
||||
r *= 1.1; // Boost Red
|
||||
g *= 0.95; // Reduce Green slightly
|
||||
b *= 1.05; // Boost Blue slightly
|
||||
|
||||
// Clamp values
|
||||
data[i] = Math.max(0, Math.min(255, r));
|
||||
data[i + 1] = Math.max(0, Math.min(255, g));
|
||||
data[i + 2] = Math.max(0, Math.min(255, b));
|
||||
}
|
||||
|
||||
context.putImageData(imageData, 0, 0);
|
||||
|
||||
// --- STEP 4: Add Scanlines (Optional) ---
|
||||
// เพิ่มเส้นขีดๆ เหมือนทีวีรุ่นเก่า (TV Scanlines) เพื่อความ Retro
|
||||
if (volume > 2) {
|
||||
addScanlines(context, width, height);
|
||||
}
|
||||
};
|
||||
|
||||
// ฟังก์ชันวาดเส้นทีวี (ทำให้ดู Retro ยิ่งขึ้น)
|
||||
const addScanlines = (ctx: CanvasRenderingContext2D, w: number, h: number) => {
|
||||
ctx.save();
|
||||
ctx.globalCompositeOperation = "overlay"; // โหมด Overlay ทำให้เส้นกลืนไปกับภาพ
|
||||
ctx.fillStyle = "rgba(0, 0, 0, 0.1)"; // สีดำจางๆ (ปรับความเข้มที่ 0.1 - 0.3)
|
||||
|
||||
// วาดเส้นแนวนอนสลับฟันปลา
|
||||
for (let y = 0; y < h; y += 4) { // วาดทุกๆ 4 pixel
|
||||
ctx.fillRect(0, y, w, 2); // ความหนาเส้น 2 pixel
|
||||
}
|
||||
ctx.restore();
|
||||
};
|
||||
|
||||
const cropImageTo34 = (imageSrc: string): Promise<string> => {
|
||||
return new Promise((resolve) => {
|
||||
const img = new Image();
|
||||
@@ -172,9 +374,20 @@ const cropImageTo34 = (imageSrc: string): Promise<string> => {
|
||||
);
|
||||
|
||||
// Apply film effect with adjustable volume
|
||||
applyFilmEffect(context, finalWidth, finalHeight, 7); // Default volume = 5
|
||||
drawDateStamp(context, finalWidth, finalHeight);
|
||||
|
||||
//check local storage name "photobooth-filter"
|
||||
const filter = localStorage.getItem('photobooth-filter') || 'normal'
|
||||
if (filter === 'black&white') {
|
||||
applyBlackAndWhite(context, finalWidth, finalHeight, 3);
|
||||
} else {
|
||||
applyFilmEffect(context, finalWidth, finalHeight, 5); // Default volume = 5
|
||||
}
|
||||
// applySelfieFilter(context, finalWidth, finalHeight, 10); // Default volume = 5
|
||||
// applyRetroPop(context, finalWidth, finalHeight, 7);
|
||||
|
||||
|
||||
|
||||
drawDateStamp(context, finalWidth, finalHeight);
|
||||
// แปลงเป็น base64 ด้วย quality 0.7 เพื่อลดขนาด
|
||||
const croppedDataUrl = canvas.toDataURL('image/jpeg', 0.7);
|
||||
resolve(croppedDataUrl);
|
||||
|
||||
Reference in New Issue
Block a user