1 / X
const gdv_687069ca92d33canvas = document.getElementById("gdv_687069ca92d33imageCanvas"); const gdv_687069ca92d33ctx = gdv_687069ca92d33canvas.getContext("2d");
const gdv_687069ca92d33thumbnailContainer = document.getElementById("gdv_687069ca92d33thumbnailContainer"); const gdv_687069ca92d33thumbnailContainerWrapper = document.getElementById("gdv_687069ca92d33thumbnailContainerWrapper"); const gdv_687069ca92d33zoomInButton = document.getElementById("gdv_687069ca92d33zoomIn"); const gdv_687069ca92d33zoomOutButton = document.getElementById("gdv_687069ca92d33zoomOut"); const gdv_687069ca92d33resetZoomButton = document.getElementById("gdv_687069ca92d33resetZoom");
const gdv_687069ca92d33brightnessInput = document.getElementById("gdv_687069ca92d33brightness"); const gdv_687069ca92d33contrastInput = document.getElementById("gdv_687069ca92d33contrast"); const gdv_687069ca92d33fullscreenButton = document.getElementById("gdv_687069ca92d33fullscreen");
const gdv_687069ca92d33rotateRightButton = document.getElementById("gdv_687069ca92d33rotateRight"); const gdv_687069ca92d33rotateLeftButton = document.getElementById("gdv_687069ca92d33rotateLeft");
const gdv_687069ca92d33prevSlideButton = document.getElementById("gdv_687069ca92d33prevSlide"); const gdv_687069ca92d33nextSlideButton = document.getElementById("gdv_687069ca92d33nextSlide"); const gdv_687069ca92d33slideNumberDisplay = document.getElementById("gdv_687069ca92d33slideNumber"); const gdv_687069ca92d33imageName = document.getElementById("gdv_687069ca92d33imageName");
let gdv_687069ca92d33currentSlideIndex = 0;
gdv_687069ca92d33brightnessInput.addEventListener("input", gdv_687069ca92d33drawImage); gdv_687069ca92d33contrastInput.addEventListener("input", gdv_687069ca92d33drawImage);
const gdv_687069ca92d33imageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1VfXl7VEvL9uljoG9ZQMTBAQcal3feNfg&sz=w3000","name":"Sonthonax aux hommes libres, soldats et matelots de l'expe\u0301dition.jpg"}];
let gdv_687069ca92d33scale = 1; let gdv_687069ca92d33originX = 0; let gdv_687069ca92d33originY = 0; const gdv_687069ca92d33minScale = 0.1; const gdv_687069ca92d33maxScale = 5; let gdv_687069ca92d33currentImage = new Image();
let gdv_687069ca92d33rotationAngle = 0;
gdv_687069ca92d33rotateRightButton.addEventListener("click", function() { gdv_687069ca92d33rotationAngle = (gdv_687069ca92d33rotationAngle + 90) % 360; gdv_687069ca92d33drawImage(); });
gdv_687069ca92d33rotateLeftButton.addEventListener("click", function() { gdv_687069ca92d33rotationAngle = (gdv_687069ca92d33rotationAngle - 90 + 360) % 360; gdv_687069ca92d33drawImage(); });
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_687069ca92d33currentImage.src = gdv_687069ca92d33imageUrls[0]["url"]; gdv_687069ca92d33imageName.innerHTML = filtrerChaine(gdv_687069ca92d33imageUrls[0]["name"], "rien"); gdv_687069ca92d33currentImage.onload = function() {
gdv_687069ca92d33updateSlideNumber(); gdv_687069ca92d33resizeCanvas(); gdv_687069ca92d33drawImage(); document.getElementById("gdv_687069ca92d33controls").style.display = "block"; };
function gdv_687069ca92d33updateSlideNumber() { gdv_687069ca92d33slideNumberDisplay.textContent = `${gdv_687069ca92d33currentSlideIndex + 1} / ${gdv_687069ca92d33imageUrls.length}`; }
gdv_687069ca92d33prevSlideButton.addEventListener("click", function() { if (gdv_687069ca92d33currentSlideIndex > 0) { gdv_687069ca92d33currentSlideIndex--; gdv_687069ca92d33loadImage(gdv_687069ca92d33currentSlideIndex); gdv_687069ca92d33updateSlideNumber(); } });
gdv_687069ca92d33nextSlideButton.addEventListener("click", function() { if (gdv_687069ca92d33currentSlideIndex < gdv_687069ca92d33imageUrls.length - 1) { gdv_687069ca92d33currentSlideIndex++; gdv_687069ca92d33loadImage(gdv_687069ca92d33currentSlideIndex); gdv_687069ca92d33updateSlideNumber(); } }); function gdv_687069ca92d33resizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_687069ca92d33canvasContainer"); gdv_687069ca92d33canvas.width = container.clientWidth; gdv_687069ca92d33canvas.height = container.clientHeight - 30; gdv_687069ca92d33fitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_687069ca92d33drawImage(); } window.addEventListener("load", gdv_687069ca92d33resizeCanvas); window.addEventListener("resize", gdv_687069ca92d33resizeCanvas); function gdv_687069ca92d33fitImageToCanvas() { const canvasAspect = gdv_687069ca92d33canvas.width / gdv_687069ca92d33canvas.height; const imageAspect = gdv_687069ca92d33currentImage.width / gdv_687069ca92d33currentImage.height; if (imageAspect > canvasAspect) { gdv_687069ca92d33scale = gdv_687069ca92d33canvas.width / gdv_687069ca92d33currentImage.width; } else { gdv_687069ca92d33scale = gdv_687069ca92d33canvas.height / gdv_687069ca92d33currentImage.height; } gdv_687069ca92d33originX = gdv_687069ca92d33canvas.width / 2; gdv_687069ca92d33originY = gdv_687069ca92d33canvas.height / 2; }
function gdv_687069ca92d33drawImage() { gdv_687069ca92d33ctx.clearRect(0, 0, gdv_687069ca92d33canvas.width, gdv_687069ca92d33canvas.height); gdv_687069ca92d33ctx.save(); gdv_687069ca92d33ctx.translate(gdv_687069ca92d33originX, gdv_687069ca92d33originY); gdv_687069ca92d33ctx.rotate((Math.PI / 180) * gdv_687069ca92d33rotationAngle); gdv_687069ca92d33ctx.scale(gdv_687069ca92d33scale, gdv_687069ca92d33scale);
// Appliquer la luminosité et le contraste gdv_687069ca92d33ctx.filter = `brightness(${gdv_687069ca92d33brightnessInput.value}) contrast(${gdv_687069ca92d33contrastInput.value})`; gdv_687069ca92d33ctx.drawImage(gdv_687069ca92d33currentImage, -gdv_687069ca92d33currentImage.width/2, -gdv_687069ca92d33currentImage.height/2); gdv_687069ca92d33ctx.restore(); }
// Ajouter les miniatures des images gdv_687069ca92d33imageUrls.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_687069ca92d33loadImage(index); gdv_687069ca92d33currentSlideIndex = index; gdv_687069ca92d33updateSlideNumber(); }; slide.appendChild(img); gdv_687069ca92d33thumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_687069ca92d33loadImage(index) { gdv_687069ca92d33currentImage.src = gdv_687069ca92d33imageUrls[index]["url"]; gdv_687069ca92d33imageName.innerHTML = filtrerChaine(gdv_687069ca92d33imageUrls[index]["name"], "rien"); gdv_687069ca92d33currentImage.onload = function() { gdv_687069ca92d33scale = 1; gdv_687069ca92d33originX = 0; gdv_687069ca92d33originY = 0; gdv_687069ca92d33fitImageToCanvas(); gdv_687069ca92d33drawImage(); };
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_687069ca92d33swiper = new Swiper(".gdv_687069ca92d33swiper-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_687069ca92d33swiper.on("slideChange", function () { // gdv_687069ca92d33currentSlideIndex = gdv_687069ca92d33swiper.activeIndex; // gdv_687069ca92d33updateSlideNumber(); //});
// Plein écran gdv_687069ca92d33fullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_687069ca92d33gd-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_687069ca92d33canvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_687069ca92d33scale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_687069ca92d33minScale, Math.min(gdv_687069ca92d33maxScale, newScale)); const scaleRatio = newScale / gdv_687069ca92d33scale; gdv_687069ca92d33originX = mouseX - (mouseX - gdv_687069ca92d33originX) * scaleRatio; gdv_687069ca92d33originY = mouseY - (mouseY - gdv_687069ca92d33originY) * scaleRatio; gdv_687069ca92d33scale = newScale; gdv_687069ca92d33drawImage(); }); // Gestion du déplacement (pan) let gdv_687069ca92d33isDragging = false; let gdv_687069ca92d33startX, gdv_687069ca92d33startY; gdv_687069ca92d33canvas.addEventListener("mousedown", function(event) { gdv_687069ca92d33isDragging = true; gdv_687069ca92d33startX = event.offsetX - gdv_687069ca92d33originX; gdv_687069ca92d33startY = event.offsetY - gdv_687069ca92d33originY; gdv_687069ca92d33canvas.style.cursor = "grabbing"; }); gdv_687069ca92d33canvas.addEventListener("mousemove", function(event) { if (gdv_687069ca92d33isDragging) { gdv_687069ca92d33originX = event.offsetX - gdv_687069ca92d33startX; gdv_687069ca92d33originY = event.offsetY - gdv_687069ca92d33startY; gdv_687069ca92d33drawImage(); } }); // Gestion des événements tactiles gdv_687069ca92d33canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_687069ca92d33isDragging = true; const touch = event.touches[0]; gdv_687069ca92d33startX = touch.pageX - gdv_687069ca92d33originX; gdv_687069ca92d33startY = touch.pageY - gdv_687069ca92d33originY; } }); gdv_687069ca92d33canvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_687069ca92d33originX = touch.pageX - gdv_687069ca92d33startX; gdv_687069ca92d33originY = touch.pageY - gdv_687069ca92d33startY; gdv_687069ca92d33drawImage(); }); gdv_687069ca92d33canvas.addEventListener("touchend", function() { gdv_687069ca92d33isDragging = false; }); gdv_687069ca92d33canvas.addEventListener("mouseup", function() { gdv_687069ca92d33isDragging = false; gdv_687069ca92d33canvas.style.cursor = "grab"; }); gdv_687069ca92d33canvas.addEventListener("mouseleave", function() { gdv_687069ca92d33isDragging = false; gdv_687069ca92d33canvas.style.cursor = "grab"; }); gdv_687069ca92d33zoomInButton.addEventListener("click", function() { let newScale = gdv_687069ca92d33scale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_687069ca92d33scale = Math.max(gdv_687069ca92d33minScale, Math.min(gdv_687069ca92d33maxScale, newScale)); gdv_687069ca92d33drawImage(); }); gdv_687069ca92d33zoomOutButton.addEventListener("click", function() { let newScale = gdv_687069ca92d33scale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_687069ca92d33scale = Math.max(gdv_687069ca92d33minScale, Math.min(gdv_687069ca92d33maxScale, newScale)); gdv_687069ca92d33drawImage(); }); gdv_687069ca92d33resetZoomButton.addEventListener("click", function() { gdv_687069ca92d33rotationAngle = 0; gdv_687069ca92d33fitImageToCanvas(); gdv_687069ca92d33drawImage(); }); function gdv_687069ca92d33getImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_687069ca92d33downloadImage").addEventListener("click", function() { let url = gdv_687069ca92d33currentImage.src; const imageId = gdv_687069ca92d33getImageIdFromUrl(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_687069ca92d33printImageFromApi(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_687069ca92d33printButton = document.getElementById("gdv_687069ca92d33printCanvas");
gdv_687069ca92d33printButton.addEventListener("click", function() { let url = gdv_687069ca92d33currentImage.src; const imageId = gdv_687069ca92d33getImageIdFromUrl(url); gdv_687069ca92d33printImageFromApi(imageId); });
let gdv_687069ca92d33initialDistance = 0; let gdv_687069ca92d33initialScale = 1;
gdv_687069ca92d33canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_687069ca92d33initialDistance = getDistance(event.touches[0], event.touches[1]); gdv_687069ca92d33initialScale = gdv_687069ca92d33scale; } });
gdv_687069ca92d33canvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_687069ca92d33initialDistance; let newScale = gdv_687069ca92d33initialScale * scaleChange;
newScale = Math.max(gdv_687069ca92d33minScale, Math.min(gdv_687069ca92d33maxScale, 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_687069ca92d33scale; gdv_687069ca92d33originX = centerX - (centerX - gdv_687069ca92d33originX) * scaleRatio; gdv_687069ca92d33originY = centerY - (centerY - gdv_687069ca92d33originY) * scaleRatio;
gdv_687069ca92d33scale = newScale; gdv_687069ca92d33drawImage(); // 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); }