159 lines
4.4 KiB
HTML
159 lines
4.4 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<title>Generator kart na social media</title>
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<style>
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* {
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font-family: sans-serif;
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}
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</style>
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</head>
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<body style="--yellow: #ffee2c; --scale: 2; --padding: 20px; display: flex">
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<section style="margin-right: 20px">
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<h1>Generator kart na social media</h1>
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<textarea id="text" style="width: 600px; height: 120px">
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Treść komunikatu</textarea
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>
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<br />
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<input id="file" type="file" accept="image/png, image/jpeg" />
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<br />
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<select id="size" onchange="resize()"></select>
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<select id="scale_picker" onchange="rescale()">
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<option value="1">1x</option>
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<option value="2" selected>2x</option>
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<option value="3">3x</option>
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</select>
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</section>
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<section>
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<h2>Twitter</h2>
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<div
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id="container"
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style="
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box-sizing: border-box;
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border: calc(var(--padding) * var(--scale)) solid var(--yellow);
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padding: calc(var(--padding) * var(--scale))
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calc(var(--padding) * var(--scale)) 0
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calc(var(--padding) * var(--scale));
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display: flex;
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flex-flow: column;
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"
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>
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<div>
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<img
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src="./logo.png"
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width="80"
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height="80"
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style="
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float: left;
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height: calc(var(--scale) * 80px);
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width: calc(var(--scale) * 80px);
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padding-right: var(--padding);
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margin-top: calc(-1 * var(--scale) * var(--padding));
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margin-left: calc(-1 * var(--scale) * var(--padding));
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"
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/>
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<p
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id="text_target"
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style="margin: 0; font-size: calc(var(--scale) * 16px)"
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>
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Treść komunikatu
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</p>
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</div>
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<div
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style="
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flex-grow: 1;
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position: relative;
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overflow: hidden;
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margin-left: calc(-1 * var(--scale) * var(--padding));
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margin-right: calc(-1 * var(--scale) * var(--padding));
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"
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>
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<div
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id="image_blur"
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style="
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height: 100%;
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width: 100%;
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background-size: cover;
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background-position: center;
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background-repeat: no-repeat;
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position: absolute;
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filter: blur(10px);
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"
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></div>
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<div
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id="image"
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style="
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height: 100%;
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width: 100%;
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background-size: contain;
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background-position: center;
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background-repeat: no-repeat;
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position: absolute;
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"
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></div>
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</div>
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</div>
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</section>
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</body>
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<script>
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const sizes = {
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"Twitter - 1 zdjęcie": [512, 313],
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"Twitter - 2 zdjęcia": [377, 434],
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"LinkedIn - 1 zdjęcie": [540, 346],
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"LinkedIn - 2 zdjęcia": [270, 552],
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};
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for (const value of Object.keys(sizes)) {
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const option = document.createElement("option");
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option.value = value;
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option.textContent = value;
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size.appendChild(option);
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}
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function toBase64(file) {
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return new Promise((resolve) => {
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const FR = new FileReader();
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FR.addEventListener("load", (e) => {
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resolve(e.target.result);
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});
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FR.readAsDataURL(file);
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});
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}
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function refreshText() {
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text_target.innerHTML = text.value.replace(/\n/, "<br/>");
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}
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const refreshImage = async () => {
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image.style.backgroundImage = `url("${await toBase64(file.files[0])}")`;
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image_blur.style.backgroundImage = `url("${await toBase64(
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file.files[0]
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)}")`;
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};
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const resize = () => {
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const scale = parseInt(
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document.querySelector("body").style.getPropertyValue("--scale")
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);
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const [width, height] = sizes[size.value];
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container.style.width = scale * width + "px";
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container.style.height = scale * height + "px";
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};
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function rescale() {
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document
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.querySelector("body")
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.style.setProperty("--scale", scale_picker.value);
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resize();
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}
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refreshText();
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refreshImage();
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resize();
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rescale();
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text.oninput = refreshText;
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file.onchange = refreshImage;
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</script>
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</html>
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