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const gdv_6adc8032bc178canvas = document.getElementById("gdv_6adc8032bc178imageCanvas"); const gdv_6adc8032bc178ctx = gdv_6adc8032bc178canvas.getContext("2d");
const gdv_6adc8032bc178thumbnailContainer = document.getElementById("gdv_6adc8032bc178thumbnailContainer"); const gdv_6adc8032bc178thumbnailContainerWrapper = document.getElementById("gdv_6adc8032bc178thumbnailContainerWrapper"); const gdv_6adc8032bc178zoomInButton = document.getElementById("gdv_6adc8032bc178zoomIn"); const gdv_6adc8032bc178zoomOutButton = document.getElementById("gdv_6adc8032bc178zoomOut"); const gdv_6adc8032bc178resetZoomButton = document.getElementById("gdv_6adc8032bc178resetZoom");
const gdv_6adc8032bc178brightnessInput = document.getElementById("gdv_6adc8032bc178brightness"); const gdv_6adc8032bc178contrastInput = document.getElementById("gdv_6adc8032bc178contrast"); const gdv_6adc8032bc178fullscreenButton = document.getElementById("gdv_6adc8032bc178fullscreen");
const gdv_6adc8032bc178rotateRightButton = document.getElementById("gdv_6adc8032bc178rotateRight"); const gdv_6adc8032bc178rotateLeftButton = document.getElementById("gdv_6adc8032bc178rotateLeft");
const gdv_6adc8032bc178prevSlideButton = document.getElementById("gdv_6adc8032bc178prevSlide"); const gdv_6adc8032bc178nextSlideButton = document.getElementById("gdv_6adc8032bc178nextSlide"); const gdv_6adc8032bc178slideNumberDisplay = document.getElementById("gdv_6adc8032bc178slideNumber"); const gdv_6adc8032bc178imageName = document.getElementById("gdv_6adc8032bc178imageName");
let gdv_6adc8032bc178currentSlideIndex = 0;
gdv_6adc8032bc178brightnessInput.addEventListener("input", gdv_6adc8032bc178drawImage); gdv_6adc8032bc178contrastInput.addEventListener("input", gdv_6adc8032bc178drawImage);
const gdv_6adc8032bc178imageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1jCTZ6LiZCM_u34zlVOwFhIC3xFpe-Bh2&sz=w3000","name":"EPOl et LFS_allocation aux procureurs des communes.jpg"}];
let gdv_6adc8032bc178scale = 1; let gdv_6adc8032bc178originX = 0; let gdv_6adc8032bc178originY = 0; const gdv_6adc8032bc178minScale = 0.1; const gdv_6adc8032bc178maxScale = 5; let gdv_6adc8032bc178currentImage = new Image();
let gdv_6adc8032bc178rotationAngle = 0;
gdv_6adc8032bc178rotateRightButton.addEventListener("click", function() { gdv_6adc8032bc178rotationAngle = (gdv_6adc8032bc178rotationAngle + 90) % 360; gdv_6adc8032bc178drawImage(); });
gdv_6adc8032bc178rotateLeftButton.addEventListener("click", function() { gdv_6adc8032bc178rotationAngle = (gdv_6adc8032bc178rotationAngle - 90 + 360) % 360; gdv_6adc8032bc178drawImage(); });
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_6adc8032bc178currentImage.src = gdv_6adc8032bc178imageUrls[0]["url"]; gdv_6adc8032bc178imageName.innerHTML = filtrerChaine(gdv_6adc8032bc178imageUrls[0]["name"], "rien"); gdv_6adc8032bc178currentImage.onload = function() {
gdv_6adc8032bc178updateSlideNumber(); gdv_6adc8032bc178resizeCanvas(); gdv_6adc8032bc178drawImage(); document.getElementById("gdv_6adc8032bc178controls").style.display = "block"; };
function gdv_6adc8032bc178updateSlideNumber() { gdv_6adc8032bc178slideNumberDisplay.textContent = `${gdv_6adc8032bc178currentSlideIndex + 1} / ${gdv_6adc8032bc178imageUrls.length}`; }
gdv_6adc8032bc178prevSlideButton.addEventListener("click", function() { if (gdv_6adc8032bc178currentSlideIndex > 0) { gdv_6adc8032bc178currentSlideIndex--; gdv_6adc8032bc178loadImage(gdv_6adc8032bc178currentSlideIndex); gdv_6adc8032bc178updateSlideNumber(); } });
gdv_6adc8032bc178nextSlideButton.addEventListener("click", function() { if (gdv_6adc8032bc178currentSlideIndex < gdv_6adc8032bc178imageUrls.length - 1) { gdv_6adc8032bc178currentSlideIndex++; gdv_6adc8032bc178loadImage(gdv_6adc8032bc178currentSlideIndex); gdv_6adc8032bc178updateSlideNumber(); } }); function gdv_6adc8032bc178resizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_6adc8032bc178canvasContainer"); gdv_6adc8032bc178canvas.width = container.clientWidth; gdv_6adc8032bc178canvas.height = container.clientHeight - 30; gdv_6adc8032bc178fitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_6adc8032bc178drawImage(); } window.addEventListener("load", gdv_6adc8032bc178resizeCanvas); window.addEventListener("resize", gdv_6adc8032bc178resizeCanvas); function gdv_6adc8032bc178fitImageToCanvas() { const canvasAspect = gdv_6adc8032bc178canvas.width / gdv_6adc8032bc178canvas.height; const imageAspect = gdv_6adc8032bc178currentImage.width / gdv_6adc8032bc178currentImage.height; if (imageAspect > canvasAspect) { gdv_6adc8032bc178scale = gdv_6adc8032bc178canvas.width / gdv_6adc8032bc178currentImage.width; } else { gdv_6adc8032bc178scale = gdv_6adc8032bc178canvas.height / gdv_6adc8032bc178currentImage.height; } gdv_6adc8032bc178originX = gdv_6adc8032bc178canvas.width / 2; gdv_6adc8032bc178originY = gdv_6adc8032bc178canvas.height / 2; }
function gdv_6adc8032bc178drawImage() { gdv_6adc8032bc178ctx.clearRect(0, 0, gdv_6adc8032bc178canvas.width, gdv_6adc8032bc178canvas.height); gdv_6adc8032bc178ctx.save(); gdv_6adc8032bc178ctx.translate(gdv_6adc8032bc178originX, gdv_6adc8032bc178originY); gdv_6adc8032bc178ctx.rotate((Math.PI / 180) * gdv_6adc8032bc178rotationAngle); gdv_6adc8032bc178ctx.scale(gdv_6adc8032bc178scale, gdv_6adc8032bc178scale);
// Appliquer la luminosité et le contraste gdv_6adc8032bc178ctx.filter = `brightness(${gdv_6adc8032bc178brightnessInput.value}) contrast(${gdv_6adc8032bc178contrastInput.value})`; gdv_6adc8032bc178ctx.drawImage(gdv_6adc8032bc178currentImage, -gdv_6adc8032bc178currentImage.width/2, -gdv_6adc8032bc178currentImage.height/2); gdv_6adc8032bc178ctx.restore(); }
// Ajouter les miniatures des images gdv_6adc8032bc178imageUrls.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_6adc8032bc178loadImage(index); gdv_6adc8032bc178currentSlideIndex = index; gdv_6adc8032bc178updateSlideNumber(); }; slide.appendChild(img); gdv_6adc8032bc178thumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_6adc8032bc178loadImage(index) { gdv_6adc8032bc178currentImage.src = gdv_6adc8032bc178imageUrls[index]["url"]; gdv_6adc8032bc178imageName.innerHTML = filtrerChaine(gdv_6adc8032bc178imageUrls[index]["name"], "rien"); gdv_6adc8032bc178currentImage.onload = function() { gdv_6adc8032bc178scale = 1; gdv_6adc8032bc178originX = 0; gdv_6adc8032bc178originY = 0; gdv_6adc8032bc178fitImageToCanvas(); gdv_6adc8032bc178drawImage(); };
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_6adc8032bc178swiper = new Swiper(".gdv_6adc8032bc178swiper-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_6adc8032bc178swiper.on("slideChange", function () { // gdv_6adc8032bc178currentSlideIndex = gdv_6adc8032bc178swiper.activeIndex; // gdv_6adc8032bc178updateSlideNumber(); //});
// Plein écran gdv_6adc8032bc178fullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_6adc8032bc178gd-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_6adc8032bc178canvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_6adc8032bc178scale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_6adc8032bc178minScale, Math.min(gdv_6adc8032bc178maxScale, newScale)); const scaleRatio = newScale / gdv_6adc8032bc178scale; gdv_6adc8032bc178originX = mouseX - (mouseX - gdv_6adc8032bc178originX) * scaleRatio; gdv_6adc8032bc178originY = mouseY - (mouseY - gdv_6adc8032bc178originY) * scaleRatio; gdv_6adc8032bc178scale = newScale; gdv_6adc8032bc178drawImage(); }); // Gestion du déplacement (pan) let gdv_6adc8032bc178isDragging = false; let gdv_6adc8032bc178startX, gdv_6adc8032bc178startY; gdv_6adc8032bc178canvas.addEventListener("mousedown", function(event) { gdv_6adc8032bc178isDragging = true; gdv_6adc8032bc178startX = event.offsetX - gdv_6adc8032bc178originX; gdv_6adc8032bc178startY = event.offsetY - gdv_6adc8032bc178originY; gdv_6adc8032bc178canvas.style.cursor = "grabbing"; }); gdv_6adc8032bc178canvas.addEventListener("mousemove", function(event) { if (gdv_6adc8032bc178isDragging) { gdv_6adc8032bc178originX = event.offsetX - gdv_6adc8032bc178startX; gdv_6adc8032bc178originY = event.offsetY - gdv_6adc8032bc178startY; gdv_6adc8032bc178drawImage(); } }); // Gestion des événements tactiles gdv_6adc8032bc178canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_6adc8032bc178isDragging = true; const touch = event.touches[0]; gdv_6adc8032bc178startX = touch.pageX - gdv_6adc8032bc178originX; gdv_6adc8032bc178startY = touch.pageY - gdv_6adc8032bc178originY; } }); gdv_6adc8032bc178canvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_6adc8032bc178originX = touch.pageX - gdv_6adc8032bc178startX; gdv_6adc8032bc178originY = touch.pageY - gdv_6adc8032bc178startY; gdv_6adc8032bc178drawImage(); }); gdv_6adc8032bc178canvas.addEventListener("touchend", function() { gdv_6adc8032bc178isDragging = false; }); gdv_6adc8032bc178canvas.addEventListener("mouseup", function() { gdv_6adc8032bc178isDragging = false; gdv_6adc8032bc178canvas.style.cursor = "grab"; }); gdv_6adc8032bc178canvas.addEventListener("mouseleave", function() { gdv_6adc8032bc178isDragging = false; gdv_6adc8032bc178canvas.style.cursor = "grab"; }); gdv_6adc8032bc178zoomInButton.addEventListener("click", function() { let newScale = gdv_6adc8032bc178scale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_6adc8032bc178scale = Math.max(gdv_6adc8032bc178minScale, Math.min(gdv_6adc8032bc178maxScale, newScale)); gdv_6adc8032bc178drawImage(); }); gdv_6adc8032bc178zoomOutButton.addEventListener("click", function() { let newScale = gdv_6adc8032bc178scale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_6adc8032bc178scale = Math.max(gdv_6adc8032bc178minScale, Math.min(gdv_6adc8032bc178maxScale, newScale)); gdv_6adc8032bc178drawImage(); }); gdv_6adc8032bc178resetZoomButton.addEventListener("click", function() { gdv_6adc8032bc178rotationAngle = 0; gdv_6adc8032bc178fitImageToCanvas(); gdv_6adc8032bc178drawImage(); }); function gdv_6adc8032bc178getImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_6adc8032bc178downloadImage").addEventListener("click", function() { let url = gdv_6adc8032bc178currentImage.src; const imageId = gdv_6adc8032bc178getImageIdFromUrl(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_6adc8032bc178printImageFromApi(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_6adc8032bc178printButton = document.getElementById("gdv_6adc8032bc178printCanvas");
gdv_6adc8032bc178printButton.addEventListener("click", function() { let url = gdv_6adc8032bc178currentImage.src; const imageId = gdv_6adc8032bc178getImageIdFromUrl(url); gdv_6adc8032bc178printImageFromApi(imageId); });
let gdv_6adc8032bc178initialDistance = 0; let gdv_6adc8032bc178initialScale = 1;
gdv_6adc8032bc178canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_6adc8032bc178initialDistance = getDistance(event.touches[0], event.touches[1]); gdv_6adc8032bc178initialScale = gdv_6adc8032bc178scale; } });
gdv_6adc8032bc178canvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_6adc8032bc178initialDistance; let newScale = gdv_6adc8032bc178initialScale * scaleChange;
newScale = Math.max(gdv_6adc8032bc178minScale, Math.min(gdv_6adc8032bc178maxScale, 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_6adc8032bc178scale; gdv_6adc8032bc178originX = centerX - (centerX - gdv_6adc8032bc178originX) * scaleRatio; gdv_6adc8032bc178originY = centerY - (centerY - gdv_6adc8032bc178originY) * scaleRatio;
gdv_6adc8032bc178scale = newScale; gdv_6adc8032bc178drawImage(); // 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); }