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const gdv_69b82aab37c09canvas = document.getElementById("gdv_69b82aab37c09imageCanvas"); const gdv_69b82aab37c09ctx = gdv_69b82aab37c09canvas.getContext("2d");
const gdv_69b82aab37c09thumbnailContainer = document.getElementById("gdv_69b82aab37c09thumbnailContainer"); const gdv_69b82aab37c09thumbnailContainerWrapper = document.getElementById("gdv_69b82aab37c09thumbnailContainerWrapper"); const gdv_69b82aab37c09zoomInButton = document.getElementById("gdv_69b82aab37c09zoomIn"); const gdv_69b82aab37c09zoomOutButton = document.getElementById("gdv_69b82aab37c09zoomOut"); const gdv_69b82aab37c09resetZoomButton = document.getElementById("gdv_69b82aab37c09resetZoom");
const gdv_69b82aab37c09brightnessInput = document.getElementById("gdv_69b82aab37c09brightness"); const gdv_69b82aab37c09contrastInput = document.getElementById("gdv_69b82aab37c09contrast"); const gdv_69b82aab37c09fullscreenButton = document.getElementById("gdv_69b82aab37c09fullscreen");
const gdv_69b82aab37c09rotateRightButton = document.getElementById("gdv_69b82aab37c09rotateRight"); const gdv_69b82aab37c09rotateLeftButton = document.getElementById("gdv_69b82aab37c09rotateLeft");
const gdv_69b82aab37c09prevSlideButton = document.getElementById("gdv_69b82aab37c09prevSlide"); const gdv_69b82aab37c09nextSlideButton = document.getElementById("gdv_69b82aab37c09nextSlide"); const gdv_69b82aab37c09slideNumberDisplay = document.getElementById("gdv_69b82aab37c09slideNumber"); const gdv_69b82aab37c09imageName = document.getElementById("gdv_69b82aab37c09imageName");
let gdv_69b82aab37c09currentSlideIndex = 0;
gdv_69b82aab37c09brightnessInput.addEventListener("input", gdv_69b82aab37c09drawImage); gdv_69b82aab37c09contrastInput.addEventListener("input", gdv_69b82aab37c09drawImage);
const gdv_69b82aab37c09imageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1ZDW6Q4gtQnBcD9IZCCG5JtRO317sCIab&sz=w3000","name":"EPOL et LFS_Proclamation aux matelots, canonniers et soldats des ba\u0302timents de la Re\u0301publique.jpg"}];
let gdv_69b82aab37c09scale = 1; let gdv_69b82aab37c09originX = 0; let gdv_69b82aab37c09originY = 0; const gdv_69b82aab37c09minScale = 0.1; const gdv_69b82aab37c09maxScale = 5; let gdv_69b82aab37c09currentImage = new Image();
let gdv_69b82aab37c09rotationAngle = 0;
gdv_69b82aab37c09rotateRightButton.addEventListener("click", function() { gdv_69b82aab37c09rotationAngle = (gdv_69b82aab37c09rotationAngle + 90) % 360; gdv_69b82aab37c09drawImage(); });
gdv_69b82aab37c09rotateLeftButton.addEventListener("click", function() { gdv_69b82aab37c09rotationAngle = (gdv_69b82aab37c09rotationAngle - 90 + 360) % 360; gdv_69b82aab37c09drawImage(); });
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_69b82aab37c09currentImage.src = gdv_69b82aab37c09imageUrls[0]["url"]; gdv_69b82aab37c09imageName.innerHTML = filtrerChaine(gdv_69b82aab37c09imageUrls[0]["name"], "rien"); gdv_69b82aab37c09currentImage.onload = function() {
gdv_69b82aab37c09updateSlideNumber(); gdv_69b82aab37c09resizeCanvas(); gdv_69b82aab37c09drawImage(); document.getElementById("gdv_69b82aab37c09controls").style.display = "block"; };
function gdv_69b82aab37c09updateSlideNumber() { gdv_69b82aab37c09slideNumberDisplay.textContent = `${gdv_69b82aab37c09currentSlideIndex + 1} / ${gdv_69b82aab37c09imageUrls.length}`; }
gdv_69b82aab37c09prevSlideButton.addEventListener("click", function() { if (gdv_69b82aab37c09currentSlideIndex > 0) { gdv_69b82aab37c09currentSlideIndex--; gdv_69b82aab37c09loadImage(gdv_69b82aab37c09currentSlideIndex); gdv_69b82aab37c09updateSlideNumber(); } });
gdv_69b82aab37c09nextSlideButton.addEventListener("click", function() { if (gdv_69b82aab37c09currentSlideIndex < gdv_69b82aab37c09imageUrls.length - 1) { gdv_69b82aab37c09currentSlideIndex++; gdv_69b82aab37c09loadImage(gdv_69b82aab37c09currentSlideIndex); gdv_69b82aab37c09updateSlideNumber(); } }); function gdv_69b82aab37c09resizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69b82aab37c09canvasContainer"); gdv_69b82aab37c09canvas.width = container.clientWidth; gdv_69b82aab37c09canvas.height = container.clientHeight - 30; gdv_69b82aab37c09fitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69b82aab37c09drawImage(); } window.addEventListener("load", gdv_69b82aab37c09resizeCanvas); window.addEventListener("resize", gdv_69b82aab37c09resizeCanvas); function gdv_69b82aab37c09fitImageToCanvas() { const canvasAspect = gdv_69b82aab37c09canvas.width / gdv_69b82aab37c09canvas.height; const imageAspect = gdv_69b82aab37c09currentImage.width / gdv_69b82aab37c09currentImage.height; if (imageAspect > canvasAspect) { gdv_69b82aab37c09scale = gdv_69b82aab37c09canvas.width / gdv_69b82aab37c09currentImage.width; } else { gdv_69b82aab37c09scale = gdv_69b82aab37c09canvas.height / gdv_69b82aab37c09currentImage.height; } gdv_69b82aab37c09originX = gdv_69b82aab37c09canvas.width / 2; gdv_69b82aab37c09originY = gdv_69b82aab37c09canvas.height / 2; }
function gdv_69b82aab37c09drawImage() { gdv_69b82aab37c09ctx.clearRect(0, 0, gdv_69b82aab37c09canvas.width, gdv_69b82aab37c09canvas.height); gdv_69b82aab37c09ctx.save(); gdv_69b82aab37c09ctx.translate(gdv_69b82aab37c09originX, gdv_69b82aab37c09originY); gdv_69b82aab37c09ctx.rotate((Math.PI / 180) * gdv_69b82aab37c09rotationAngle); gdv_69b82aab37c09ctx.scale(gdv_69b82aab37c09scale, gdv_69b82aab37c09scale);
// Appliquer la luminosité et le contraste gdv_69b82aab37c09ctx.filter = `brightness(${gdv_69b82aab37c09brightnessInput.value}) contrast(${gdv_69b82aab37c09contrastInput.value})`; gdv_69b82aab37c09ctx.drawImage(gdv_69b82aab37c09currentImage, -gdv_69b82aab37c09currentImage.width/2, -gdv_69b82aab37c09currentImage.height/2); gdv_69b82aab37c09ctx.restore(); }
// Ajouter les miniatures des images gdv_69b82aab37c09imageUrls.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_69b82aab37c09loadImage(index); gdv_69b82aab37c09currentSlideIndex = index; gdv_69b82aab37c09updateSlideNumber(); }; slide.appendChild(img); gdv_69b82aab37c09thumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69b82aab37c09loadImage(index) { gdv_69b82aab37c09currentImage.src = gdv_69b82aab37c09imageUrls[index]["url"]; gdv_69b82aab37c09imageName.innerHTML = filtrerChaine(gdv_69b82aab37c09imageUrls[index]["name"], "rien"); gdv_69b82aab37c09currentImage.onload = function() { gdv_69b82aab37c09scale = 1; gdv_69b82aab37c09originX = 0; gdv_69b82aab37c09originY = 0; gdv_69b82aab37c09fitImageToCanvas(); gdv_69b82aab37c09drawImage(); };
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_69b82aab37c09swiper = new Swiper(".gdv_69b82aab37c09swiper-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_69b82aab37c09swiper.on("slideChange", function () { // gdv_69b82aab37c09currentSlideIndex = gdv_69b82aab37c09swiper.activeIndex; // gdv_69b82aab37c09updateSlideNumber(); //});
// Plein écran gdv_69b82aab37c09fullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69b82aab37c09gd-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_69b82aab37c09canvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69b82aab37c09scale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69b82aab37c09minScale, Math.min(gdv_69b82aab37c09maxScale, newScale)); const scaleRatio = newScale / gdv_69b82aab37c09scale; gdv_69b82aab37c09originX = mouseX - (mouseX - gdv_69b82aab37c09originX) * scaleRatio; gdv_69b82aab37c09originY = mouseY - (mouseY - gdv_69b82aab37c09originY) * scaleRatio; gdv_69b82aab37c09scale = newScale; gdv_69b82aab37c09drawImage(); }); // Gestion du déplacement (pan) let gdv_69b82aab37c09isDragging = false; let gdv_69b82aab37c09startX, gdv_69b82aab37c09startY; gdv_69b82aab37c09canvas.addEventListener("mousedown", function(event) { gdv_69b82aab37c09isDragging = true; gdv_69b82aab37c09startX = event.offsetX - gdv_69b82aab37c09originX; gdv_69b82aab37c09startY = event.offsetY - gdv_69b82aab37c09originY; gdv_69b82aab37c09canvas.style.cursor = "grabbing"; }); gdv_69b82aab37c09canvas.addEventListener("mousemove", function(event) { if (gdv_69b82aab37c09isDragging) { gdv_69b82aab37c09originX = event.offsetX - gdv_69b82aab37c09startX; gdv_69b82aab37c09originY = event.offsetY - gdv_69b82aab37c09startY; gdv_69b82aab37c09drawImage(); } }); // Gestion des événements tactiles gdv_69b82aab37c09canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69b82aab37c09isDragging = true; const touch = event.touches[0]; gdv_69b82aab37c09startX = touch.pageX - gdv_69b82aab37c09originX; gdv_69b82aab37c09startY = touch.pageY - gdv_69b82aab37c09originY; } }); gdv_69b82aab37c09canvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69b82aab37c09originX = touch.pageX - gdv_69b82aab37c09startX; gdv_69b82aab37c09originY = touch.pageY - gdv_69b82aab37c09startY; gdv_69b82aab37c09drawImage(); }); gdv_69b82aab37c09canvas.addEventListener("touchend", function() { gdv_69b82aab37c09isDragging = false; }); gdv_69b82aab37c09canvas.addEventListener("mouseup", function() { gdv_69b82aab37c09isDragging = false; gdv_69b82aab37c09canvas.style.cursor = "grab"; }); gdv_69b82aab37c09canvas.addEventListener("mouseleave", function() { gdv_69b82aab37c09isDragging = false; gdv_69b82aab37c09canvas.style.cursor = "grab"; }); gdv_69b82aab37c09zoomInButton.addEventListener("click", function() { let newScale = gdv_69b82aab37c09scale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69b82aab37c09scale = Math.max(gdv_69b82aab37c09minScale, Math.min(gdv_69b82aab37c09maxScale, newScale)); gdv_69b82aab37c09drawImage(); }); gdv_69b82aab37c09zoomOutButton.addEventListener("click", function() { let newScale = gdv_69b82aab37c09scale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69b82aab37c09scale = Math.max(gdv_69b82aab37c09minScale, Math.min(gdv_69b82aab37c09maxScale, newScale)); gdv_69b82aab37c09drawImage(); }); gdv_69b82aab37c09resetZoomButton.addEventListener("click", function() { gdv_69b82aab37c09rotationAngle = 0; gdv_69b82aab37c09fitImageToCanvas(); gdv_69b82aab37c09drawImage(); }); function gdv_69b82aab37c09getImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69b82aab37c09downloadImage").addEventListener("click", function() { let url = gdv_69b82aab37c09currentImage.src; const imageId = gdv_69b82aab37c09getImageIdFromUrl(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_69b82aab37c09printImageFromApi(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_69b82aab37c09printButton = document.getElementById("gdv_69b82aab37c09printCanvas");
gdv_69b82aab37c09printButton.addEventListener("click", function() { let url = gdv_69b82aab37c09currentImage.src; const imageId = gdv_69b82aab37c09getImageIdFromUrl(url); gdv_69b82aab37c09printImageFromApi(imageId); });
let gdv_69b82aab37c09initialDistance = 0; let gdv_69b82aab37c09initialScale = 1;
gdv_69b82aab37c09canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69b82aab37c09initialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69b82aab37c09initialScale = gdv_69b82aab37c09scale; } });
gdv_69b82aab37c09canvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69b82aab37c09initialDistance; let newScale = gdv_69b82aab37c09initialScale * scaleChange;
newScale = Math.max(gdv_69b82aab37c09minScale, Math.min(gdv_69b82aab37c09maxScale, 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_69b82aab37c09scale; gdv_69b82aab37c09originX = centerX - (centerX - gdv_69b82aab37c09originX) * scaleRatio; gdv_69b82aab37c09originY = centerY - (centerY - gdv_69b82aab37c09originY) * scaleRatio;
gdv_69b82aab37c09scale = newScale; gdv_69b82aab37c09drawImage(); // 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); }