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const gdv_67d30f817f617canvas = document.getElementById("gdv_67d30f817f617imageCanvas"); const gdv_67d30f817f617ctx = gdv_67d30f817f617canvas.getContext("2d");
const gdv_67d30f817f617thumbnailContainer = document.getElementById("gdv_67d30f817f617thumbnailContainer"); const gdv_67d30f817f617thumbnailContainerWrapper = document.getElementById("gdv_67d30f817f617thumbnailContainerWrapper"); const gdv_67d30f817f617zoomInButton = document.getElementById("gdv_67d30f817f617zoomIn"); const gdv_67d30f817f617zoomOutButton = document.getElementById("gdv_67d30f817f617zoomOut"); const gdv_67d30f817f617resetZoomButton = document.getElementById("gdv_67d30f817f617resetZoom");
const gdv_67d30f817f617brightnessInput = document.getElementById("gdv_67d30f817f617brightness"); const gdv_67d30f817f617contrastInput = document.getElementById("gdv_67d30f817f617contrast"); const gdv_67d30f817f617fullscreenButton = document.getElementById("gdv_67d30f817f617fullscreen");
const gdv_67d30f817f617rotateRightButton = document.getElementById("gdv_67d30f817f617rotateRight"); const gdv_67d30f817f617rotateLeftButton = document.getElementById("gdv_67d30f817f617rotateLeft");
const gdv_67d30f817f617prevSlideButton = document.getElementById("gdv_67d30f817f617prevSlide"); const gdv_67d30f817f617nextSlideButton = document.getElementById("gdv_67d30f817f617nextSlide"); const gdv_67d30f817f617slideNumberDisplay = document.getElementById("gdv_67d30f817f617slideNumber"); const gdv_67d30f817f617imageName = document.getElementById("gdv_67d30f817f617imageName");
let gdv_67d30f817f617currentSlideIndex = 0;
gdv_67d30f817f617brightnessInput.addEventListener("input", gdv_67d30f817f617drawImage); gdv_67d30f817f617contrastInput.addEventListener("input", gdv_67d30f817f617drawImage);
const gdv_67d30f817f617imageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1i9AdJmxIKYEeYyKNYIPafMJenjjKiVKl&sz=w3000","name":"1 L'administration municipale d'Ennery au Directoire exe\u0301cutif, 20 fructidor an 5.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1CWhdrOLujM6bV3070rJhLSqdosZvNBJt&sz=w3000","name":"2 L'administration municipale d'Ennery au Directoire exe\u0301cutif, 20 fructidor an 5.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1yCK9-MRyBTwL0IkYFLoKU7OA5Ch5GzH3&sz=w3000","name":"3 L'administration municipale d'Ennery au Directoire exe\u0301cutif, 20 fructidor an 5.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1kr305Z_HxGedb2dp9faxqVjvm98YFn_P&sz=w3000","name":"4 L'administration municipale d'Ennery au Directoire exe\u0301cutif, 20 fructidor an 5.jpg"}];
let gdv_67d30f817f617scale = 1; let gdv_67d30f817f617originX = 0; let gdv_67d30f817f617originY = 0; const gdv_67d30f817f617minScale = 0.1; const gdv_67d30f817f617maxScale = 5; let gdv_67d30f817f617currentImage = new Image();
let gdv_67d30f817f617rotationAngle = 0;
gdv_67d30f817f617rotateRightButton.addEventListener("click", function() { gdv_67d30f817f617rotationAngle = (gdv_67d30f817f617rotationAngle + 90) % 360; gdv_67d30f817f617drawImage(); });
gdv_67d30f817f617rotateLeftButton.addEventListener("click", function() { gdv_67d30f817f617rotationAngle = (gdv_67d30f817f617rotationAngle - 90 + 360) % 360; gdv_67d30f817f617drawImage(); });
// Charger la première image par défaut gdv_67d30f817f617currentImage.src = gdv_67d30f817f617imageUrls[0]["url"]; gdv_67d30f817f617imageName.innerHTML = gdv_67d30f817f617imageUrls[0]["name"]; gdv_67d30f817f617currentImage.onload = function() {
gdv_67d30f817f617updateSlideNumber(); gdv_67d30f817f617resizeCanvas(); gdv_67d30f817f617drawImage(); document.getElementById("gdv_67d30f817f617controls").style.display = "block"; };
function gdv_67d30f817f617updateSlideNumber() { gdv_67d30f817f617slideNumberDisplay.textContent = `${gdv_67d30f817f617currentSlideIndex + 1} / ${gdv_67d30f817f617imageUrls.length}`; }
gdv_67d30f817f617prevSlideButton.addEventListener("click", function() { if (gdv_67d30f817f617currentSlideIndex > 0) { gdv_67d30f817f617currentSlideIndex--; gdv_67d30f817f617loadImage(gdv_67d30f817f617currentSlideIndex); gdv_67d30f817f617updateSlideNumber(); } });
gdv_67d30f817f617nextSlideButton.addEventListener("click", function() { if (gdv_67d30f817f617currentSlideIndex < gdv_67d30f817f617imageUrls.length - 1) { gdv_67d30f817f617currentSlideIndex++; gdv_67d30f817f617loadImage(gdv_67d30f817f617currentSlideIndex); gdv_67d30f817f617updateSlideNumber(); } }); function gdv_67d30f817f617resizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_67d30f817f617canvasContainer"); gdv_67d30f817f617canvas.width = container.clientWidth; gdv_67d30f817f617canvas.height = container.clientHeight - 30; gdv_67d30f817f617fitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_67d30f817f617drawImage(); } window.addEventListener("load", gdv_67d30f817f617resizeCanvas); window.addEventListener("resize", gdv_67d30f817f617resizeCanvas); function gdv_67d30f817f617fitImageToCanvas() { const canvasAspect = gdv_67d30f817f617canvas.width / gdv_67d30f817f617canvas.height; const imageAspect = gdv_67d30f817f617currentImage.width / gdv_67d30f817f617currentImage.height; if (imageAspect > canvasAspect) { gdv_67d30f817f617scale = gdv_67d30f817f617canvas.width / gdv_67d30f817f617currentImage.width; } else { gdv_67d30f817f617scale = gdv_67d30f817f617canvas.height / gdv_67d30f817f617currentImage.height; } gdv_67d30f817f617originX = gdv_67d30f817f617canvas.width / 2; gdv_67d30f817f617originY = gdv_67d30f817f617canvas.height / 2; }
function gdv_67d30f817f617drawImage() { gdv_67d30f817f617ctx.clearRect(0, 0, gdv_67d30f817f617canvas.width, gdv_67d30f817f617canvas.height); gdv_67d30f817f617ctx.save(); gdv_67d30f817f617ctx.translate(gdv_67d30f817f617originX, gdv_67d30f817f617originY); gdv_67d30f817f617ctx.rotate((Math.PI / 180) * gdv_67d30f817f617rotationAngle); gdv_67d30f817f617ctx.scale(gdv_67d30f817f617scale, gdv_67d30f817f617scale);
// Appliquer la luminosité et le contraste gdv_67d30f817f617ctx.filter = `brightness(${gdv_67d30f817f617brightnessInput.value}) contrast(${gdv_67d30f817f617contrastInput.value})`; gdv_67d30f817f617ctx.drawImage(gdv_67d30f817f617currentImage, -gdv_67d30f817f617currentImage.width/2, -gdv_67d30f817f617currentImage.height/2); gdv_67d30f817f617ctx.restore(); }
// Ajouter les miniatures des images gdv_67d30f817f617imageUrls.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_67d30f817f617loadImage(index); gdv_67d30f817f617currentSlideIndex = index; gdv_67d30f817f617updateSlideNumber(); }; slide.appendChild(img); gdv_67d30f817f617thumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_67d30f817f617loadImage(index) { gdv_67d30f817f617currentImage.src = gdv_67d30f817f617imageUrls[index]["url"]; gdv_67d30f817f617imageName.innerHTML = gdv_67d30f817f617imageUrls[index]["name"]; gdv_67d30f817f617currentImage.onload = function() { gdv_67d30f817f617scale = 1; gdv_67d30f817f617originX = 0; gdv_67d30f817f617originY = 0; gdv_67d30f817f617fitImageToCanvas(); gdv_67d30f817f617drawImage(); }; }
// Initialiser Swiper var gdv_67d30f817f617swiper = new Swiper(".gdv_67d30f817f617swiper-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_67d30f817f617swiper.on("slideChange", function () { // gdv_67d30f817f617currentSlideIndex = gdv_67d30f817f617swiper.activeIndex; // gdv_67d30f817f617updateSlideNumber(); //});
// Plein écran gdv_67d30f817f617fullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_67d30f817f617gd-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_67d30f817f617canvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_67d30f817f617scale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_67d30f817f617minScale, Math.min(gdv_67d30f817f617maxScale, newScale)); const scaleRatio = newScale / gdv_67d30f817f617scale; gdv_67d30f817f617originX = mouseX - (mouseX - gdv_67d30f817f617originX) * scaleRatio; gdv_67d30f817f617originY = mouseY - (mouseY - gdv_67d30f817f617originY) * scaleRatio; gdv_67d30f817f617scale = newScale; gdv_67d30f817f617drawImage(); }); // Gestion du déplacement (pan) let gdv_67d30f817f617isDragging = false; let gdv_67d30f817f617startX, gdv_67d30f817f617startY; gdv_67d30f817f617canvas.addEventListener("mousedown", function(event) { gdv_67d30f817f617isDragging = true; gdv_67d30f817f617startX = event.offsetX - gdv_67d30f817f617originX; gdv_67d30f817f617startY = event.offsetY - gdv_67d30f817f617originY; gdv_67d30f817f617canvas.style.cursor = "grabbing"; }); gdv_67d30f817f617canvas.addEventListener("mousemove", function(event) { if (gdv_67d30f817f617isDragging) { gdv_67d30f817f617originX = event.offsetX - gdv_67d30f817f617startX; gdv_67d30f817f617originY = event.offsetY - gdv_67d30f817f617startY; gdv_67d30f817f617drawImage(); } }); // Gestion des événements tactiles gdv_67d30f817f617canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_67d30f817f617isDragging = true; const touch = event.touches[0]; gdv_67d30f817f617startX = touch.pageX - gdv_67d30f817f617originX; gdv_67d30f817f617startY = touch.pageY - gdv_67d30f817f617originY; } }); gdv_67d30f817f617canvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_67d30f817f617originX = touch.pageX - gdv_67d30f817f617startX; gdv_67d30f817f617originY = touch.pageY - gdv_67d30f817f617startY; gdv_67d30f817f617drawImage(); }); gdv_67d30f817f617canvas.addEventListener("touchend", function() { gdv_67d30f817f617isDragging = false; }); gdv_67d30f817f617canvas.addEventListener("mouseup", function() { gdv_67d30f817f617isDragging = false; gdv_67d30f817f617canvas.style.cursor = "grab"; }); gdv_67d30f817f617canvas.addEventListener("mouseleave", function() { gdv_67d30f817f617isDragging = false; gdv_67d30f817f617canvas.style.cursor = "grab"; }); gdv_67d30f817f617zoomInButton.addEventListener("click", function() { let newScale = gdv_67d30f817f617scale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_67d30f817f617scale = Math.max(gdv_67d30f817f617minScale, Math.min(gdv_67d30f817f617maxScale, newScale)); gdv_67d30f817f617drawImage(); }); gdv_67d30f817f617zoomOutButton.addEventListener("click", function() { let newScale = gdv_67d30f817f617scale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_67d30f817f617scale = Math.max(gdv_67d30f817f617minScale, Math.min(gdv_67d30f817f617maxScale, newScale)); gdv_67d30f817f617drawImage(); }); gdv_67d30f817f617resetZoomButton.addEventListener("click", function() { gdv_67d30f817f617rotationAngle = 0; gdv_67d30f817f617fitImageToCanvas(); gdv_67d30f817f617drawImage(); }); function gdv_67d30f817f617getImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_67d30f817f617downloadImage").addEventListener("click", function() { let url = gdv_67d30f817f617currentImage.src; const imageId = gdv_67d30f817f617getImageIdFromUrl(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_67d30f817f617printImageFromApi(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_67d30f817f617printButton = document.getElementById("gdv_67d30f817f617printCanvas");
gdv_67d30f817f617printButton.addEventListener("click", function() { let url = gdv_67d30f817f617currentImage.src; const imageId = gdv_67d30f817f617getImageIdFromUrl(url); gdv_67d30f817f617printImageFromApi(imageId); });
let gdv_67d30f817f617initialDistance = 0; let gdv_67d30f817f617initialScale = 1;
gdv_67d30f817f617canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_67d30f817f617initialDistance = getDistance(event.touches[0], event.touches[1]); gdv_67d30f817f617initialScale = gdv_67d30f817f617scale; } });
gdv_67d30f817f617canvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_67d30f817f617initialDistance; let newScale = gdv_67d30f817f617initialScale * scaleChange;
newScale = Math.max(gdv_67d30f817f617minScale, Math.min(gdv_67d30f817f617maxScale, 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_67d30f817f617scale; gdv_67d30f817f617originX = centerX - (centerX - gdv_67d30f817f617originX) * scaleRatio; gdv_67d30f817f617originY = centerY - (centerY - gdv_67d30f817f617originY) * scaleRatio;
gdv_67d30f817f617scale = newScale; gdv_67d30f817f617drawImage(); // 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); }