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const gdv_691b900355c30canvas = document.getElementById("gdv_691b900355c30imageCanvas"); const gdv_691b900355c30ctx = gdv_691b900355c30canvas.getContext("2d");
const gdv_691b900355c30thumbnailContainer = document.getElementById("gdv_691b900355c30thumbnailContainer"); const gdv_691b900355c30thumbnailContainerWrapper = document.getElementById("gdv_691b900355c30thumbnailContainerWrapper"); const gdv_691b900355c30zoomInButton = document.getElementById("gdv_691b900355c30zoomIn"); const gdv_691b900355c30zoomOutButton = document.getElementById("gdv_691b900355c30zoomOut"); const gdv_691b900355c30resetZoomButton = document.getElementById("gdv_691b900355c30resetZoom");
const gdv_691b900355c30brightnessInput = document.getElementById("gdv_691b900355c30brightness"); const gdv_691b900355c30contrastInput = document.getElementById("gdv_691b900355c30contrast"); const gdv_691b900355c30fullscreenButton = document.getElementById("gdv_691b900355c30fullscreen");
const gdv_691b900355c30rotateRightButton = document.getElementById("gdv_691b900355c30rotateRight"); const gdv_691b900355c30rotateLeftButton = document.getElementById("gdv_691b900355c30rotateLeft");
const gdv_691b900355c30prevSlideButton = document.getElementById("gdv_691b900355c30prevSlide"); const gdv_691b900355c30nextSlideButton = document.getElementById("gdv_691b900355c30nextSlide"); const gdv_691b900355c30slideNumberDisplay = document.getElementById("gdv_691b900355c30slideNumber"); const gdv_691b900355c30imageName = document.getElementById("gdv_691b900355c30imageName");
let gdv_691b900355c30currentSlideIndex = 0;
gdv_691b900355c30brightnessInput.addEventListener("input", gdv_691b900355c30drawImage); gdv_691b900355c30contrastInput.addEventListener("input", gdv_691b900355c30drawImage);
const gdv_691b900355c30imageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1TfoGnl1dK0DMYAw44K87vq4Ys3pGzRPP&sz=w3000","name":"EPOL et LFS_ Interdiction de la Croix de Saint-Louis.jpg"}];
let gdv_691b900355c30scale = 1; let gdv_691b900355c30originX = 0; let gdv_691b900355c30originY = 0; const gdv_691b900355c30minScale = 0.1; const gdv_691b900355c30maxScale = 5; let gdv_691b900355c30currentImage = new Image();
let gdv_691b900355c30rotationAngle = 0;
gdv_691b900355c30rotateRightButton.addEventListener("click", function() { gdv_691b900355c30rotationAngle = (gdv_691b900355c30rotationAngle + 90) % 360; gdv_691b900355c30drawImage(); });
gdv_691b900355c30rotateLeftButton.addEventListener("click", function() { gdv_691b900355c30rotationAngle = (gdv_691b900355c30rotationAngle - 90 + 360) % 360; gdv_691b900355c30drawImage(); });
function filtrerChaine(texte, cacher) { if (!texte) return "";
switch (cacher) { case "chiffre": return texte.replace(/\d/g, "");
case "tout": return "";
case "vide": default: return texte; } }
// Charger la première image par défaut gdv_691b900355c30currentImage.src = gdv_691b900355c30imageUrls[0]["url"]; gdv_691b900355c30imageName.innerHTML = filtrerChaine(gdv_691b900355c30imageUrls[0]["name"], "rien"); gdv_691b900355c30currentImage.onload = function() {
gdv_691b900355c30updateSlideNumber(); gdv_691b900355c30resizeCanvas(); gdv_691b900355c30drawImage(); document.getElementById("gdv_691b900355c30controls").style.display = "block"; };
function gdv_691b900355c30updateSlideNumber() { gdv_691b900355c30slideNumberDisplay.textContent = `${gdv_691b900355c30currentSlideIndex + 1} / ${gdv_691b900355c30imageUrls.length}`; }
gdv_691b900355c30prevSlideButton.addEventListener("click", function() { if (gdv_691b900355c30currentSlideIndex > 0) { gdv_691b900355c30currentSlideIndex--; gdv_691b900355c30loadImage(gdv_691b900355c30currentSlideIndex); gdv_691b900355c30updateSlideNumber(); } });
gdv_691b900355c30nextSlideButton.addEventListener("click", function() { if (gdv_691b900355c30currentSlideIndex < gdv_691b900355c30imageUrls.length - 1) { gdv_691b900355c30currentSlideIndex++; gdv_691b900355c30loadImage(gdv_691b900355c30currentSlideIndex); gdv_691b900355c30updateSlideNumber(); } }); function gdv_691b900355c30resizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_691b900355c30canvasContainer"); gdv_691b900355c30canvas.width = container.clientWidth; gdv_691b900355c30canvas.height = container.clientHeight - 30; gdv_691b900355c30fitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_691b900355c30drawImage(); } window.addEventListener("load", gdv_691b900355c30resizeCanvas); window.addEventListener("resize", gdv_691b900355c30resizeCanvas); function gdv_691b900355c30fitImageToCanvas() { const canvasAspect = gdv_691b900355c30canvas.width / gdv_691b900355c30canvas.height; const imageAspect = gdv_691b900355c30currentImage.width / gdv_691b900355c30currentImage.height; if (imageAspect > canvasAspect) { gdv_691b900355c30scale = gdv_691b900355c30canvas.width / gdv_691b900355c30currentImage.width; } else { gdv_691b900355c30scale = gdv_691b900355c30canvas.height / gdv_691b900355c30currentImage.height; } gdv_691b900355c30originX = gdv_691b900355c30canvas.width / 2; gdv_691b900355c30originY = gdv_691b900355c30canvas.height / 2; }
function gdv_691b900355c30drawImage() { gdv_691b900355c30ctx.clearRect(0, 0, gdv_691b900355c30canvas.width, gdv_691b900355c30canvas.height); gdv_691b900355c30ctx.save(); gdv_691b900355c30ctx.translate(gdv_691b900355c30originX, gdv_691b900355c30originY); gdv_691b900355c30ctx.rotate((Math.PI / 180) * gdv_691b900355c30rotationAngle); gdv_691b900355c30ctx.scale(gdv_691b900355c30scale, gdv_691b900355c30scale);
// Appliquer la luminosité et le contraste gdv_691b900355c30ctx.filter = `brightness(${gdv_691b900355c30brightnessInput.value}) contrast(${gdv_691b900355c30contrastInput.value})`; gdv_691b900355c30ctx.drawImage(gdv_691b900355c30currentImage, -gdv_691b900355c30currentImage.width/2, -gdv_691b900355c30currentImage.height/2); gdv_691b900355c30ctx.restore(); }
// Ajouter les miniatures des images gdv_691b900355c30imageUrls.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_691b900355c30loadImage(index); gdv_691b900355c30currentSlideIndex = index; gdv_691b900355c30updateSlideNumber(); }; slide.appendChild(img); gdv_691b900355c30thumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_691b900355c30loadImage(index) { gdv_691b900355c30currentImage.src = gdv_691b900355c30imageUrls[index]["url"]; gdv_691b900355c30imageName.innerHTML = filtrerChaine(gdv_691b900355c30imageUrls[index]["name"], "rien"); gdv_691b900355c30currentImage.onload = function() { gdv_691b900355c30scale = 1; gdv_691b900355c30originX = 0; gdv_691b900355c30originY = 0; gdv_691b900355c30fitImageToCanvas(); gdv_691b900355c30drawImage(); };
const thumbnails = document.querySelectorAll(".swiper-slide"); thumbnails.forEach((thumb, i) => { if (i === index) { thumb.classList.add("active-thumbnail"); } else { thumb.classList.remove("active-thumbnail"); } }); }
// Initialiser Swiper var gdv_691b900355c30swiper = new Swiper(".gdv_691b900355c30swiper-container", { direction: "horizontal", slidesPerView: 8, spaceBetween: 5, breakpoints: { 576: { slidesPerView: 8, spaceBetween: 5 }, 768: { slidesPerView: 9, spaceBetween: 5 }, 992: { slidesPerView: 11, spaceBetween: 5 }, 1200: { slidesPerView: 13, spaceBetween: 5 } }, mousewheel: true, });
document.querySelector(".swiper-slide").classList.add("active-thumbnail");
//gdv_691b900355c30swiper.on("slideChange", function () { // gdv_691b900355c30currentSlideIndex = gdv_691b900355c30swiper.activeIndex; // gdv_691b900355c30updateSlideNumber(); //});
// Plein écran gdv_691b900355c30fullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_691b900355c30gd-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_691b900355c30canvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_691b900355c30scale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_691b900355c30minScale, Math.min(gdv_691b900355c30maxScale, newScale)); const scaleRatio = newScale / gdv_691b900355c30scale; gdv_691b900355c30originX = mouseX - (mouseX - gdv_691b900355c30originX) * scaleRatio; gdv_691b900355c30originY = mouseY - (mouseY - gdv_691b900355c30originY) * scaleRatio; gdv_691b900355c30scale = newScale; gdv_691b900355c30drawImage(); }); // Gestion du déplacement (pan) let gdv_691b900355c30isDragging = false; let gdv_691b900355c30startX, gdv_691b900355c30startY; gdv_691b900355c30canvas.addEventListener("mousedown", function(event) { gdv_691b900355c30isDragging = true; gdv_691b900355c30startX = event.offsetX - gdv_691b900355c30originX; gdv_691b900355c30startY = event.offsetY - gdv_691b900355c30originY; gdv_691b900355c30canvas.style.cursor = "grabbing"; }); gdv_691b900355c30canvas.addEventListener("mousemove", function(event) { if (gdv_691b900355c30isDragging) { gdv_691b900355c30originX = event.offsetX - gdv_691b900355c30startX; gdv_691b900355c30originY = event.offsetY - gdv_691b900355c30startY; gdv_691b900355c30drawImage(); } }); // Gestion des événements tactiles gdv_691b900355c30canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_691b900355c30isDragging = true; const touch = event.touches[0]; gdv_691b900355c30startX = touch.pageX - gdv_691b900355c30originX; gdv_691b900355c30startY = touch.pageY - gdv_691b900355c30originY; } }); gdv_691b900355c30canvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_691b900355c30originX = touch.pageX - gdv_691b900355c30startX; gdv_691b900355c30originY = touch.pageY - gdv_691b900355c30startY; gdv_691b900355c30drawImage(); }); gdv_691b900355c30canvas.addEventListener("touchend", function() { gdv_691b900355c30isDragging = false; }); gdv_691b900355c30canvas.addEventListener("mouseup", function() { gdv_691b900355c30isDragging = false; gdv_691b900355c30canvas.style.cursor = "grab"; }); gdv_691b900355c30canvas.addEventListener("mouseleave", function() { gdv_691b900355c30isDragging = false; gdv_691b900355c30canvas.style.cursor = "grab"; }); gdv_691b900355c30zoomInButton.addEventListener("click", function() { let newScale = gdv_691b900355c30scale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_691b900355c30scale = Math.max(gdv_691b900355c30minScale, Math.min(gdv_691b900355c30maxScale, newScale)); gdv_691b900355c30drawImage(); }); gdv_691b900355c30zoomOutButton.addEventListener("click", function() { let newScale = gdv_691b900355c30scale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_691b900355c30scale = Math.max(gdv_691b900355c30minScale, Math.min(gdv_691b900355c30maxScale, newScale)); gdv_691b900355c30drawImage(); }); gdv_691b900355c30resetZoomButton.addEventListener("click", function() { gdv_691b900355c30rotationAngle = 0; gdv_691b900355c30fitImageToCanvas(); gdv_691b900355c30drawImage(); }); function gdv_691b900355c30getImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_691b900355c30downloadImage").addEventListener("click", function() { let url = gdv_691b900355c30currentImage.src; const imageId = gdv_691b900355c30getImageIdFromUrl(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_691b900355c30printImageFromApi(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_691b900355c30printButton = document.getElementById("gdv_691b900355c30printCanvas");
gdv_691b900355c30printButton.addEventListener("click", function() { let url = gdv_691b900355c30currentImage.src; const imageId = gdv_691b900355c30getImageIdFromUrl(url); gdv_691b900355c30printImageFromApi(imageId); });
let gdv_691b900355c30initialDistance = 0; let gdv_691b900355c30initialScale = 1;
gdv_691b900355c30canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_691b900355c30initialDistance = getDistance(event.touches[0], event.touches[1]); gdv_691b900355c30initialScale = gdv_691b900355c30scale; } });
gdv_691b900355c30canvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_691b900355c30initialDistance; let newScale = gdv_691b900355c30initialScale * scaleChange;
newScale = Math.max(gdv_691b900355c30minScale, Math.min(gdv_691b900355c30maxScale, 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_691b900355c30scale; gdv_691b900355c30originX = centerX - (centerX - gdv_691b900355c30originX) * scaleRatio; gdv_691b900355c30originY = centerY - (centerY - gdv_691b900355c30originY) * scaleRatio;
gdv_691b900355c30scale = newScale; gdv_691b900355c30drawImage(); // 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); }