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const gdv_67d3fbf2c1ff2canvas = document.getElementById("gdv_67d3fbf2c1ff2imageCanvas"); const gdv_67d3fbf2c1ff2ctx = gdv_67d3fbf2c1ff2canvas.getContext("2d");
const gdv_67d3fbf2c1ff2thumbnailContainer = document.getElementById("gdv_67d3fbf2c1ff2thumbnailContainer"); const gdv_67d3fbf2c1ff2thumbnailContainerWrapper = document.getElementById("gdv_67d3fbf2c1ff2thumbnailContainerWrapper"); const gdv_67d3fbf2c1ff2zoomInButton = document.getElementById("gdv_67d3fbf2c1ff2zoomIn"); const gdv_67d3fbf2c1ff2zoomOutButton = document.getElementById("gdv_67d3fbf2c1ff2zoomOut"); const gdv_67d3fbf2c1ff2resetZoomButton = document.getElementById("gdv_67d3fbf2c1ff2resetZoom");
const gdv_67d3fbf2c1ff2brightnessInput = document.getElementById("gdv_67d3fbf2c1ff2brightness"); const gdv_67d3fbf2c1ff2contrastInput = document.getElementById("gdv_67d3fbf2c1ff2contrast"); const gdv_67d3fbf2c1ff2fullscreenButton = document.getElementById("gdv_67d3fbf2c1ff2fullscreen");
const gdv_67d3fbf2c1ff2rotateRightButton = document.getElementById("gdv_67d3fbf2c1ff2rotateRight"); const gdv_67d3fbf2c1ff2rotateLeftButton = document.getElementById("gdv_67d3fbf2c1ff2rotateLeft");
const gdv_67d3fbf2c1ff2prevSlideButton = document.getElementById("gdv_67d3fbf2c1ff2prevSlide"); const gdv_67d3fbf2c1ff2nextSlideButton = document.getElementById("gdv_67d3fbf2c1ff2nextSlide"); const gdv_67d3fbf2c1ff2slideNumberDisplay = document.getElementById("gdv_67d3fbf2c1ff2slideNumber"); const gdv_67d3fbf2c1ff2imageName = document.getElementById("gdv_67d3fbf2c1ff2imageName");
let gdv_67d3fbf2c1ff2currentSlideIndex = 0;
gdv_67d3fbf2c1ff2brightnessInput.addEventListener("input", gdv_67d3fbf2c1ff2drawImage); gdv_67d3fbf2c1ff2contrastInput.addEventListener("input", gdv_67d3fbf2c1ff2drawImage);
const gdv_67d3fbf2c1ff2imageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1YmLT2YGZxu5T2ywFYKJRZ9NrlYNAGXMV&sz=w3000","name":"1 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1--GFSUUuaggpspLxxxcsTAiiEGaMxaG1&sz=w3000","name":"2 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1bt4o_fueFSyO8aqVildcfM83ieCeobas&sz=w3000","name":"3 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1RW5DW0haI5WzzkRWgHB-9299At4603EA&sz=w3000","name":"4 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1GiasXEF-g0PNRRlUuSAXZEsHjO3mu_fq&sz=w3000","name":"5 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1_zvmiElM_7cYe9YBtB5by1e-4t_6T-rK&sz=w3000","name":"6 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1LUHEdvIZN3pvNEO-Eau67rdGfr-JZGt0&sz=w3000","name":"7 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1X_SIYlc_lA5B7Nqp5TTJUF1dpOH_ht_9&sz=w3000","name":"8 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"}];
let gdv_67d3fbf2c1ff2scale = 1; let gdv_67d3fbf2c1ff2originX = 0; let gdv_67d3fbf2c1ff2originY = 0; const gdv_67d3fbf2c1ff2minScale = 0.1; const gdv_67d3fbf2c1ff2maxScale = 5; let gdv_67d3fbf2c1ff2currentImage = new Image();
let gdv_67d3fbf2c1ff2rotationAngle = 0;
gdv_67d3fbf2c1ff2rotateRightButton.addEventListener("click", function() { gdv_67d3fbf2c1ff2rotationAngle = (gdv_67d3fbf2c1ff2rotationAngle + 90) % 360; gdv_67d3fbf2c1ff2drawImage(); });
gdv_67d3fbf2c1ff2rotateLeftButton.addEventListener("click", function() { gdv_67d3fbf2c1ff2rotationAngle = (gdv_67d3fbf2c1ff2rotationAngle - 90 + 360) % 360; gdv_67d3fbf2c1ff2drawImage(); });
// Charger la première image par défaut gdv_67d3fbf2c1ff2currentImage.src = gdv_67d3fbf2c1ff2imageUrls[0]["url"]; gdv_67d3fbf2c1ff2imageName.innerHTML = gdv_67d3fbf2c1ff2imageUrls[0]["name"]; gdv_67d3fbf2c1ff2currentImage.onload = function() {
gdv_67d3fbf2c1ff2updateSlideNumber(); gdv_67d3fbf2c1ff2resizeCanvas(); gdv_67d3fbf2c1ff2drawImage(); document.getElementById("gdv_67d3fbf2c1ff2controls").style.display = "block"; };
function gdv_67d3fbf2c1ff2updateSlideNumber() { gdv_67d3fbf2c1ff2slideNumberDisplay.textContent = `${gdv_67d3fbf2c1ff2currentSlideIndex + 1} / ${gdv_67d3fbf2c1ff2imageUrls.length}`; }
gdv_67d3fbf2c1ff2prevSlideButton.addEventListener("click", function() { if (gdv_67d3fbf2c1ff2currentSlideIndex > 0) { gdv_67d3fbf2c1ff2currentSlideIndex--; gdv_67d3fbf2c1ff2loadImage(gdv_67d3fbf2c1ff2currentSlideIndex); gdv_67d3fbf2c1ff2updateSlideNumber(); } });
gdv_67d3fbf2c1ff2nextSlideButton.addEventListener("click", function() { if (gdv_67d3fbf2c1ff2currentSlideIndex < gdv_67d3fbf2c1ff2imageUrls.length - 1) { gdv_67d3fbf2c1ff2currentSlideIndex++; gdv_67d3fbf2c1ff2loadImage(gdv_67d3fbf2c1ff2currentSlideIndex); gdv_67d3fbf2c1ff2updateSlideNumber(); } }); function gdv_67d3fbf2c1ff2resizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_67d3fbf2c1ff2canvasContainer"); gdv_67d3fbf2c1ff2canvas.width = container.clientWidth; gdv_67d3fbf2c1ff2canvas.height = container.clientHeight - 30; gdv_67d3fbf2c1ff2fitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_67d3fbf2c1ff2drawImage(); } window.addEventListener("load", gdv_67d3fbf2c1ff2resizeCanvas); window.addEventListener("resize", gdv_67d3fbf2c1ff2resizeCanvas); function gdv_67d3fbf2c1ff2fitImageToCanvas() { const canvasAspect = gdv_67d3fbf2c1ff2canvas.width / gdv_67d3fbf2c1ff2canvas.height; const imageAspect = gdv_67d3fbf2c1ff2currentImage.width / gdv_67d3fbf2c1ff2currentImage.height; if (imageAspect > canvasAspect) { gdv_67d3fbf2c1ff2scale = gdv_67d3fbf2c1ff2canvas.width / gdv_67d3fbf2c1ff2currentImage.width; } else { gdv_67d3fbf2c1ff2scale = gdv_67d3fbf2c1ff2canvas.height / gdv_67d3fbf2c1ff2currentImage.height; } gdv_67d3fbf2c1ff2originX = gdv_67d3fbf2c1ff2canvas.width / 2; gdv_67d3fbf2c1ff2originY = gdv_67d3fbf2c1ff2canvas.height / 2; }
function gdv_67d3fbf2c1ff2drawImage() { gdv_67d3fbf2c1ff2ctx.clearRect(0, 0, gdv_67d3fbf2c1ff2canvas.width, gdv_67d3fbf2c1ff2canvas.height); gdv_67d3fbf2c1ff2ctx.save(); gdv_67d3fbf2c1ff2ctx.translate(gdv_67d3fbf2c1ff2originX, gdv_67d3fbf2c1ff2originY); gdv_67d3fbf2c1ff2ctx.rotate((Math.PI / 180) * gdv_67d3fbf2c1ff2rotationAngle); gdv_67d3fbf2c1ff2ctx.scale(gdv_67d3fbf2c1ff2scale, gdv_67d3fbf2c1ff2scale);
// Appliquer la luminosité et le contraste gdv_67d3fbf2c1ff2ctx.filter = `brightness(${gdv_67d3fbf2c1ff2brightnessInput.value}) contrast(${gdv_67d3fbf2c1ff2contrastInput.value})`; gdv_67d3fbf2c1ff2ctx.drawImage(gdv_67d3fbf2c1ff2currentImage, -gdv_67d3fbf2c1ff2currentImage.width/2, -gdv_67d3fbf2c1ff2currentImage.height/2); gdv_67d3fbf2c1ff2ctx.restore(); }
// Ajouter les miniatures des images gdv_67d3fbf2c1ff2imageUrls.forEach((obj, index) => { const slide = document.createElement("div"); slide.classList.add("swiper-slide"); const img = new Image(); img.loading = "lazy"; img.src = obj["url"]; img.onclick = function() { gdv_67d3fbf2c1ff2loadImage(index); gdv_67d3fbf2c1ff2currentSlideIndex = index; gdv_67d3fbf2c1ff2updateSlideNumber(); }; slide.appendChild(img); gdv_67d3fbf2c1ff2thumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_67d3fbf2c1ff2loadImage(index) { gdv_67d3fbf2c1ff2currentImage.src = gdv_67d3fbf2c1ff2imageUrls[index]["url"]; gdv_67d3fbf2c1ff2imageName.innerHTML = gdv_67d3fbf2c1ff2imageUrls[index]["name"]; gdv_67d3fbf2c1ff2currentImage.onload = function() { gdv_67d3fbf2c1ff2scale = 1; gdv_67d3fbf2c1ff2originX = 0; gdv_67d3fbf2c1ff2originY = 0; gdv_67d3fbf2c1ff2fitImageToCanvas(); gdv_67d3fbf2c1ff2drawImage(); }; }
// Initialiser Swiper var gdv_67d3fbf2c1ff2swiper = new Swiper(".gdv_67d3fbf2c1ff2swiper-container", { direction: "vertical", slidesPerView: 10, spaceBetween: 10, breakpoints: { 576: { slidesPerView: 6, spaceBetween: 10 }, 768: { slidesPerView: 6, spaceBetween: 10 }, 992: { slidesPerView: 5, spaceBetween: 15 }, 1200: { slidesPerView: 5, spaceBetween: 15 } }, mousewheel: true, });
//gdv_67d3fbf2c1ff2swiper.on("slideChange", function () { // gdv_67d3fbf2c1ff2currentSlideIndex = gdv_67d3fbf2c1ff2swiper.activeIndex; // gdv_67d3fbf2c1ff2updateSlideNumber(); //});
// Plein écran gdv_67d3fbf2c1ff2fullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_67d3fbf2c1ff2gd-image-gallery").requestFullscreen().catch(err => { alert(`Erreur lors de la tentative de mise en plein écran: ${err.message}`); }); } else { document.exitFullscreen(); } });
// Impression du canvas
/*printButton.addEventListener("click", function() {
const dataUrl = canvas.toDataURL();
const windowContent = ``;
const printWindow = window.open("", "", "width=800,height=800");
printWindow.document.write(windowContent);
printWindow.document.close();
});
*/
// Gestion du zoom gdv_67d3fbf2c1ff2canvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_67d3fbf2c1ff2scale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_67d3fbf2c1ff2minScale, Math.min(gdv_67d3fbf2c1ff2maxScale, newScale)); const scaleRatio = newScale / gdv_67d3fbf2c1ff2scale; gdv_67d3fbf2c1ff2originX = mouseX - (mouseX - gdv_67d3fbf2c1ff2originX) * scaleRatio; gdv_67d3fbf2c1ff2originY = mouseY - (mouseY - gdv_67d3fbf2c1ff2originY) * scaleRatio; gdv_67d3fbf2c1ff2scale = newScale; gdv_67d3fbf2c1ff2drawImage(); }); // Gestion du déplacement (pan) let gdv_67d3fbf2c1ff2isDragging = false; let gdv_67d3fbf2c1ff2startX, gdv_67d3fbf2c1ff2startY; gdv_67d3fbf2c1ff2canvas.addEventListener("mousedown", function(event) { gdv_67d3fbf2c1ff2isDragging = true; gdv_67d3fbf2c1ff2startX = event.offsetX - gdv_67d3fbf2c1ff2originX; gdv_67d3fbf2c1ff2startY = event.offsetY - gdv_67d3fbf2c1ff2originY; gdv_67d3fbf2c1ff2canvas.style.cursor = "grabbing"; }); gdv_67d3fbf2c1ff2canvas.addEventListener("mousemove", function(event) { if (gdv_67d3fbf2c1ff2isDragging) { gdv_67d3fbf2c1ff2originX = event.offsetX - gdv_67d3fbf2c1ff2startX; gdv_67d3fbf2c1ff2originY = event.offsetY - gdv_67d3fbf2c1ff2startY; gdv_67d3fbf2c1ff2drawImage(); } }); // Gestion des événements tactiles gdv_67d3fbf2c1ff2canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_67d3fbf2c1ff2isDragging = true; const touch = event.touches[0]; gdv_67d3fbf2c1ff2startX = touch.pageX - gdv_67d3fbf2c1ff2originX; gdv_67d3fbf2c1ff2startY = touch.pageY - gdv_67d3fbf2c1ff2originY; } }); gdv_67d3fbf2c1ff2canvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_67d3fbf2c1ff2originX = touch.pageX - gdv_67d3fbf2c1ff2startX; gdv_67d3fbf2c1ff2originY = touch.pageY - gdv_67d3fbf2c1ff2startY; gdv_67d3fbf2c1ff2drawImage(); }); gdv_67d3fbf2c1ff2canvas.addEventListener("touchend", function() { gdv_67d3fbf2c1ff2isDragging = false; }); gdv_67d3fbf2c1ff2canvas.addEventListener("mouseup", function() { gdv_67d3fbf2c1ff2isDragging = false; gdv_67d3fbf2c1ff2canvas.style.cursor = "grab"; }); gdv_67d3fbf2c1ff2canvas.addEventListener("mouseleave", function() { gdv_67d3fbf2c1ff2isDragging = false; gdv_67d3fbf2c1ff2canvas.style.cursor = "grab"; }); gdv_67d3fbf2c1ff2zoomInButton.addEventListener("click", function() { let newScale = gdv_67d3fbf2c1ff2scale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_67d3fbf2c1ff2scale = Math.max(gdv_67d3fbf2c1ff2minScale, Math.min(gdv_67d3fbf2c1ff2maxScale, newScale)); gdv_67d3fbf2c1ff2drawImage(); }); gdv_67d3fbf2c1ff2zoomOutButton.addEventListener("click", function() { let newScale = gdv_67d3fbf2c1ff2scale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_67d3fbf2c1ff2scale = Math.max(gdv_67d3fbf2c1ff2minScale, Math.min(gdv_67d3fbf2c1ff2maxScale, newScale)); gdv_67d3fbf2c1ff2drawImage(); }); gdv_67d3fbf2c1ff2resetZoomButton.addEventListener("click", function() { gdv_67d3fbf2c1ff2rotationAngle = 0; gdv_67d3fbf2c1ff2fitImageToCanvas(); gdv_67d3fbf2c1ff2drawImage(); }); function gdv_67d3fbf2c1ff2getImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_67d3fbf2c1ff2downloadImage").addEventListener("click", function() { let url = gdv_67d3fbf2c1ff2currentImage.src; const imageId = gdv_67d3fbf2c1ff2getImageIdFromUrl(url); const apiUrl = `${window.location.origin}/wp-json/gdv/v1/download-image?image_id=${imageId}`; fetch(apiUrl) .then(response => response.blob()) .then(blob => { const url = window.URL.createObjectURL(blob); const a = document.createElement("a"); a.style.display = "none"; a.href = url; a.download = `${imageId}.jpg`; document.body.appendChild(a); a.click(); window.URL.revokeObjectURL(url); }) .catch(error => console.error("Error downloading image:", error)); });
function gdv_67d3fbf2c1ff2printImageFromApi(imageId) { const apiUrl = `${window.location.origin}/wp-json/gdv/v1/download-image?image_id=${imageId}`;
fetch(apiUrl) .then(response => response.blob()) .then(blob => { const url = URL.createObjectURL(blob); const printWindow = window.open("", "_blank"); printWindow.document.write(`
const gdv_67d3fbf2c1ff2printButton = document.getElementById("gdv_67d3fbf2c1ff2printCanvas");
gdv_67d3fbf2c1ff2printButton.addEventListener("click", function() { let url = gdv_67d3fbf2c1ff2currentImage.src; const imageId = gdv_67d3fbf2c1ff2getImageIdFromUrl(url); gdv_67d3fbf2c1ff2printImageFromApi(imageId); });
let gdv_67d3fbf2c1ff2initialDistance = 0; let gdv_67d3fbf2c1ff2initialScale = 1;
gdv_67d3fbf2c1ff2canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_67d3fbf2c1ff2initialDistance = getDistance(event.touches[0], event.touches[1]); gdv_67d3fbf2c1ff2initialScale = gdv_67d3fbf2c1ff2scale; } });
gdv_67d3fbf2c1ff2canvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_67d3fbf2c1ff2initialDistance; let newScale = gdv_67d3fbf2c1ff2initialScale * scaleChange;
newScale = Math.max(gdv_67d3fbf2c1ff2minScale, Math.min(gdv_67d3fbf2c1ff2maxScale, newScale));
const centerX = (event.touches[0].pageX + event.touches[1].pageX) / 2; const centerY = (event.touches[0].pageY + event.touches[1].pageY) / 2;
const scaleRatio = newScale / gdv_67d3fbf2c1ff2scale; gdv_67d3fbf2c1ff2originX = centerX - (centerX - gdv_67d3fbf2c1ff2originX) * scaleRatio; gdv_67d3fbf2c1ff2originY = centerY - (centerY - gdv_67d3fbf2c1ff2originY) * scaleRatio;
gdv_67d3fbf2c1ff2scale = newScale; gdv_67d3fbf2c1ff2drawImage(); // Remplacez par votre fonction de dessin } });
function getDistance(touch1, touch2) { const dx = touch2.pageX - touch1.pageX; const dy = touch2.pageY - touch1.pageY; return Math.sqrt(dx * dx + dy * dy); }