1 / X
const gdv_686e117074da3canvas = document.getElementById("gdv_686e117074da3imageCanvas"); const gdv_686e117074da3ctx = gdv_686e117074da3canvas.getContext("2d");
const gdv_686e117074da3thumbnailContainer = document.getElementById("gdv_686e117074da3thumbnailContainer"); const gdv_686e117074da3thumbnailContainerWrapper = document.getElementById("gdv_686e117074da3thumbnailContainerWrapper"); const gdv_686e117074da3zoomInButton = document.getElementById("gdv_686e117074da3zoomIn"); const gdv_686e117074da3zoomOutButton = document.getElementById("gdv_686e117074da3zoomOut"); const gdv_686e117074da3resetZoomButton = document.getElementById("gdv_686e117074da3resetZoom");
const gdv_686e117074da3brightnessInput = document.getElementById("gdv_686e117074da3brightness"); const gdv_686e117074da3contrastInput = document.getElementById("gdv_686e117074da3contrast"); const gdv_686e117074da3fullscreenButton = document.getElementById("gdv_686e117074da3fullscreen");
const gdv_686e117074da3rotateRightButton = document.getElementById("gdv_686e117074da3rotateRight"); const gdv_686e117074da3rotateLeftButton = document.getElementById("gdv_686e117074da3rotateLeft");
const gdv_686e117074da3prevSlideButton = document.getElementById("gdv_686e117074da3prevSlide"); const gdv_686e117074da3nextSlideButton = document.getElementById("gdv_686e117074da3nextSlide"); const gdv_686e117074da3slideNumberDisplay = document.getElementById("gdv_686e117074da3slideNumber"); const gdv_686e117074da3imageName = document.getElementById("gdv_686e117074da3imageName");
let gdv_686e117074da3currentSlideIndex = 0;
gdv_686e117074da3brightnessInput.addEventListener("input", gdv_686e117074da3drawImage); gdv_686e117074da3contrastInput.addEventListener("input", gdv_686e117074da3drawImage);
const gdv_686e117074da3imageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1jCTZ6LiZCM_u34zlVOwFhIC3xFpe-Bh2&sz=w3000","name":"EPOl et LFS_allocation aux procureurs des communes.jpg"}];
let gdv_686e117074da3scale = 1; let gdv_686e117074da3originX = 0; let gdv_686e117074da3originY = 0; const gdv_686e117074da3minScale = 0.1; const gdv_686e117074da3maxScale = 5; let gdv_686e117074da3currentImage = new Image();
let gdv_686e117074da3rotationAngle = 0;
gdv_686e117074da3rotateRightButton.addEventListener("click", function() { gdv_686e117074da3rotationAngle = (gdv_686e117074da3rotationAngle + 90) % 360; gdv_686e117074da3drawImage(); });
gdv_686e117074da3rotateLeftButton.addEventListener("click", function() { gdv_686e117074da3rotationAngle = (gdv_686e117074da3rotationAngle - 90 + 360) % 360; gdv_686e117074da3drawImage(); });
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_686e117074da3currentImage.src = gdv_686e117074da3imageUrls[0]["url"]; gdv_686e117074da3imageName.innerHTML = filtrerChaine(gdv_686e117074da3imageUrls[0]["name"], "rien"); gdv_686e117074da3currentImage.onload = function() {
gdv_686e117074da3updateSlideNumber(); gdv_686e117074da3resizeCanvas(); gdv_686e117074da3drawImage(); document.getElementById("gdv_686e117074da3controls").style.display = "block"; };
function gdv_686e117074da3updateSlideNumber() { gdv_686e117074da3slideNumberDisplay.textContent = `${gdv_686e117074da3currentSlideIndex + 1} / ${gdv_686e117074da3imageUrls.length}`; }
gdv_686e117074da3prevSlideButton.addEventListener("click", function() { if (gdv_686e117074da3currentSlideIndex > 0) { gdv_686e117074da3currentSlideIndex--; gdv_686e117074da3loadImage(gdv_686e117074da3currentSlideIndex); gdv_686e117074da3updateSlideNumber(); } });
gdv_686e117074da3nextSlideButton.addEventListener("click", function() { if (gdv_686e117074da3currentSlideIndex < gdv_686e117074da3imageUrls.length - 1) { gdv_686e117074da3currentSlideIndex++; gdv_686e117074da3loadImage(gdv_686e117074da3currentSlideIndex); gdv_686e117074da3updateSlideNumber(); } }); function gdv_686e117074da3resizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_686e117074da3canvasContainer"); gdv_686e117074da3canvas.width = container.clientWidth; gdv_686e117074da3canvas.height = container.clientHeight - 30; gdv_686e117074da3fitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_686e117074da3drawImage(); } window.addEventListener("load", gdv_686e117074da3resizeCanvas); window.addEventListener("resize", gdv_686e117074da3resizeCanvas); function gdv_686e117074da3fitImageToCanvas() { const canvasAspect = gdv_686e117074da3canvas.width / gdv_686e117074da3canvas.height; const imageAspect = gdv_686e117074da3currentImage.width / gdv_686e117074da3currentImage.height; if (imageAspect > canvasAspect) { gdv_686e117074da3scale = gdv_686e117074da3canvas.width / gdv_686e117074da3currentImage.width; } else { gdv_686e117074da3scale = gdv_686e117074da3canvas.height / gdv_686e117074da3currentImage.height; } gdv_686e117074da3originX = gdv_686e117074da3canvas.width / 2; gdv_686e117074da3originY = gdv_686e117074da3canvas.height / 2; }
function gdv_686e117074da3drawImage() { gdv_686e117074da3ctx.clearRect(0, 0, gdv_686e117074da3canvas.width, gdv_686e117074da3canvas.height); gdv_686e117074da3ctx.save(); gdv_686e117074da3ctx.translate(gdv_686e117074da3originX, gdv_686e117074da3originY); gdv_686e117074da3ctx.rotate((Math.PI / 180) * gdv_686e117074da3rotationAngle); gdv_686e117074da3ctx.scale(gdv_686e117074da3scale, gdv_686e117074da3scale);
// Appliquer la luminosité et le contraste gdv_686e117074da3ctx.filter = `brightness(${gdv_686e117074da3brightnessInput.value}) contrast(${gdv_686e117074da3contrastInput.value})`; gdv_686e117074da3ctx.drawImage(gdv_686e117074da3currentImage, -gdv_686e117074da3currentImage.width/2, -gdv_686e117074da3currentImage.height/2); gdv_686e117074da3ctx.restore(); }
// Ajouter les miniatures des images gdv_686e117074da3imageUrls.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_686e117074da3loadImage(index); gdv_686e117074da3currentSlideIndex = index; gdv_686e117074da3updateSlideNumber(); }; slide.appendChild(img); gdv_686e117074da3thumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_686e117074da3loadImage(index) { gdv_686e117074da3currentImage.src = gdv_686e117074da3imageUrls[index]["url"]; gdv_686e117074da3imageName.innerHTML = filtrerChaine(gdv_686e117074da3imageUrls[index]["name"], "rien"); gdv_686e117074da3currentImage.onload = function() { gdv_686e117074da3scale = 1; gdv_686e117074da3originX = 0; gdv_686e117074da3originY = 0; gdv_686e117074da3fitImageToCanvas(); gdv_686e117074da3drawImage(); };
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_686e117074da3swiper = new Swiper(".gdv_686e117074da3swiper-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_686e117074da3swiper.on("slideChange", function () { // gdv_686e117074da3currentSlideIndex = gdv_686e117074da3swiper.activeIndex; // gdv_686e117074da3updateSlideNumber(); //});
// Plein écran gdv_686e117074da3fullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_686e117074da3gd-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_686e117074da3canvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_686e117074da3scale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_686e117074da3minScale, Math.min(gdv_686e117074da3maxScale, newScale)); const scaleRatio = newScale / gdv_686e117074da3scale; gdv_686e117074da3originX = mouseX - (mouseX - gdv_686e117074da3originX) * scaleRatio; gdv_686e117074da3originY = mouseY - (mouseY - gdv_686e117074da3originY) * scaleRatio; gdv_686e117074da3scale = newScale; gdv_686e117074da3drawImage(); }); // Gestion du déplacement (pan) let gdv_686e117074da3isDragging = false; let gdv_686e117074da3startX, gdv_686e117074da3startY; gdv_686e117074da3canvas.addEventListener("mousedown", function(event) { gdv_686e117074da3isDragging = true; gdv_686e117074da3startX = event.offsetX - gdv_686e117074da3originX; gdv_686e117074da3startY = event.offsetY - gdv_686e117074da3originY; gdv_686e117074da3canvas.style.cursor = "grabbing"; }); gdv_686e117074da3canvas.addEventListener("mousemove", function(event) { if (gdv_686e117074da3isDragging) { gdv_686e117074da3originX = event.offsetX - gdv_686e117074da3startX; gdv_686e117074da3originY = event.offsetY - gdv_686e117074da3startY; gdv_686e117074da3drawImage(); } }); // Gestion des événements tactiles gdv_686e117074da3canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_686e117074da3isDragging = true; const touch = event.touches[0]; gdv_686e117074da3startX = touch.pageX - gdv_686e117074da3originX; gdv_686e117074da3startY = touch.pageY - gdv_686e117074da3originY; } }); gdv_686e117074da3canvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_686e117074da3originX = touch.pageX - gdv_686e117074da3startX; gdv_686e117074da3originY = touch.pageY - gdv_686e117074da3startY; gdv_686e117074da3drawImage(); }); gdv_686e117074da3canvas.addEventListener("touchend", function() { gdv_686e117074da3isDragging = false; }); gdv_686e117074da3canvas.addEventListener("mouseup", function() { gdv_686e117074da3isDragging = false; gdv_686e117074da3canvas.style.cursor = "grab"; }); gdv_686e117074da3canvas.addEventListener("mouseleave", function() { gdv_686e117074da3isDragging = false; gdv_686e117074da3canvas.style.cursor = "grab"; }); gdv_686e117074da3zoomInButton.addEventListener("click", function() { let newScale = gdv_686e117074da3scale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_686e117074da3scale = Math.max(gdv_686e117074da3minScale, Math.min(gdv_686e117074da3maxScale, newScale)); gdv_686e117074da3drawImage(); }); gdv_686e117074da3zoomOutButton.addEventListener("click", function() { let newScale = gdv_686e117074da3scale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_686e117074da3scale = Math.max(gdv_686e117074da3minScale, Math.min(gdv_686e117074da3maxScale, newScale)); gdv_686e117074da3drawImage(); }); gdv_686e117074da3resetZoomButton.addEventListener("click", function() { gdv_686e117074da3rotationAngle = 0; gdv_686e117074da3fitImageToCanvas(); gdv_686e117074da3drawImage(); }); function gdv_686e117074da3getImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_686e117074da3downloadImage").addEventListener("click", function() { let url = gdv_686e117074da3currentImage.src; const imageId = gdv_686e117074da3getImageIdFromUrl(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_686e117074da3printImageFromApi(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_686e117074da3printButton = document.getElementById("gdv_686e117074da3printCanvas");
gdv_686e117074da3printButton.addEventListener("click", function() { let url = gdv_686e117074da3currentImage.src; const imageId = gdv_686e117074da3getImageIdFromUrl(url); gdv_686e117074da3printImageFromApi(imageId); });
let gdv_686e117074da3initialDistance = 0; let gdv_686e117074da3initialScale = 1;
gdv_686e117074da3canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_686e117074da3initialDistance = getDistance(event.touches[0], event.touches[1]); gdv_686e117074da3initialScale = gdv_686e117074da3scale; } });
gdv_686e117074da3canvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_686e117074da3initialDistance; let newScale = gdv_686e117074da3initialScale * scaleChange;
newScale = Math.max(gdv_686e117074da3minScale, Math.min(gdv_686e117074da3maxScale, 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_686e117074da3scale; gdv_686e117074da3originX = centerX - (centerX - gdv_686e117074da3originX) * scaleRatio; gdv_686e117074da3originY = centerY - (centerY - gdv_686e117074da3originY) * scaleRatio;
gdv_686e117074da3scale = newScale; gdv_686e117074da3drawImage(); // 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); }