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const gdv_687132420a780canvas = document.getElementById("gdv_687132420a780imageCanvas"); const gdv_687132420a780ctx = gdv_687132420a780canvas.getContext("2d");
const gdv_687132420a780thumbnailContainer = document.getElementById("gdv_687132420a780thumbnailContainer"); const gdv_687132420a780thumbnailContainerWrapper = document.getElementById("gdv_687132420a780thumbnailContainerWrapper"); const gdv_687132420a780zoomInButton = document.getElementById("gdv_687132420a780zoomIn"); const gdv_687132420a780zoomOutButton = document.getElementById("gdv_687132420a780zoomOut"); const gdv_687132420a780resetZoomButton = document.getElementById("gdv_687132420a780resetZoom");
const gdv_687132420a780brightnessInput = document.getElementById("gdv_687132420a780brightness"); const gdv_687132420a780contrastInput = document.getElementById("gdv_687132420a780contrast"); const gdv_687132420a780fullscreenButton = document.getElementById("gdv_687132420a780fullscreen");
const gdv_687132420a780rotateRightButton = document.getElementById("gdv_687132420a780rotateRight"); const gdv_687132420a780rotateLeftButton = document.getElementById("gdv_687132420a780rotateLeft");
const gdv_687132420a780prevSlideButton = document.getElementById("gdv_687132420a780prevSlide"); const gdv_687132420a780nextSlideButton = document.getElementById("gdv_687132420a780nextSlide"); const gdv_687132420a780slideNumberDisplay = document.getElementById("gdv_687132420a780slideNumber"); const gdv_687132420a780imageName = document.getElementById("gdv_687132420a780imageName");
let gdv_687132420a780currentSlideIndex = 0;
gdv_687132420a780brightnessInput.addEventListener("input", gdv_687132420a780drawImage); gdv_687132420a780contrastInput.addEventListener("input", gdv_687132420a780drawImage);
const gdv_687132420a780imageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1Amei08f1-iC8ymQZly5OugchAQN66Zuf&sz=w3000","name":"EPOL et LFS_Sur l'e\u0301tat des troupes et des munitions de l'Ouest.jpg"}];
let gdv_687132420a780scale = 1; let gdv_687132420a780originX = 0; let gdv_687132420a780originY = 0; const gdv_687132420a780minScale = 0.1; const gdv_687132420a780maxScale = 5; let gdv_687132420a780currentImage = new Image();
let gdv_687132420a780rotationAngle = 0;
gdv_687132420a780rotateRightButton.addEventListener("click", function() { gdv_687132420a780rotationAngle = (gdv_687132420a780rotationAngle + 90) % 360; gdv_687132420a780drawImage(); });
gdv_687132420a780rotateLeftButton.addEventListener("click", function() { gdv_687132420a780rotationAngle = (gdv_687132420a780rotationAngle - 90 + 360) % 360; gdv_687132420a780drawImage(); });
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_687132420a780currentImage.src = gdv_687132420a780imageUrls[0]["url"]; gdv_687132420a780imageName.innerHTML = filtrerChaine(gdv_687132420a780imageUrls[0]["name"], "rien"); gdv_687132420a780currentImage.onload = function() {
gdv_687132420a780updateSlideNumber(); gdv_687132420a780resizeCanvas(); gdv_687132420a780drawImage(); document.getElementById("gdv_687132420a780controls").style.display = "block"; };
function gdv_687132420a780updateSlideNumber() { gdv_687132420a780slideNumberDisplay.textContent = `${gdv_687132420a780currentSlideIndex + 1} / ${gdv_687132420a780imageUrls.length}`; }
gdv_687132420a780prevSlideButton.addEventListener("click", function() { if (gdv_687132420a780currentSlideIndex > 0) { gdv_687132420a780currentSlideIndex--; gdv_687132420a780loadImage(gdv_687132420a780currentSlideIndex); gdv_687132420a780updateSlideNumber(); } });
gdv_687132420a780nextSlideButton.addEventListener("click", function() { if (gdv_687132420a780currentSlideIndex < gdv_687132420a780imageUrls.length - 1) { gdv_687132420a780currentSlideIndex++; gdv_687132420a780loadImage(gdv_687132420a780currentSlideIndex); gdv_687132420a780updateSlideNumber(); } }); function gdv_687132420a780resizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_687132420a780canvasContainer"); gdv_687132420a780canvas.width = container.clientWidth; gdv_687132420a780canvas.height = container.clientHeight - 30; gdv_687132420a780fitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_687132420a780drawImage(); } window.addEventListener("load", gdv_687132420a780resizeCanvas); window.addEventListener("resize", gdv_687132420a780resizeCanvas); function gdv_687132420a780fitImageToCanvas() { const canvasAspect = gdv_687132420a780canvas.width / gdv_687132420a780canvas.height; const imageAspect = gdv_687132420a780currentImage.width / gdv_687132420a780currentImage.height; if (imageAspect > canvasAspect) { gdv_687132420a780scale = gdv_687132420a780canvas.width / gdv_687132420a780currentImage.width; } else { gdv_687132420a780scale = gdv_687132420a780canvas.height / gdv_687132420a780currentImage.height; } gdv_687132420a780originX = gdv_687132420a780canvas.width / 2; gdv_687132420a780originY = gdv_687132420a780canvas.height / 2; }
function gdv_687132420a780drawImage() { gdv_687132420a780ctx.clearRect(0, 0, gdv_687132420a780canvas.width, gdv_687132420a780canvas.height); gdv_687132420a780ctx.save(); gdv_687132420a780ctx.translate(gdv_687132420a780originX, gdv_687132420a780originY); gdv_687132420a780ctx.rotate((Math.PI / 180) * gdv_687132420a780rotationAngle); gdv_687132420a780ctx.scale(gdv_687132420a780scale, gdv_687132420a780scale);
// Appliquer la luminosité et le contraste gdv_687132420a780ctx.filter = `brightness(${gdv_687132420a780brightnessInput.value}) contrast(${gdv_687132420a780contrastInput.value})`; gdv_687132420a780ctx.drawImage(gdv_687132420a780currentImage, -gdv_687132420a780currentImage.width/2, -gdv_687132420a780currentImage.height/2); gdv_687132420a780ctx.restore(); }
// Ajouter les miniatures des images gdv_687132420a780imageUrls.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_687132420a780loadImage(index); gdv_687132420a780currentSlideIndex = index; gdv_687132420a780updateSlideNumber(); }; slide.appendChild(img); gdv_687132420a780thumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_687132420a780loadImage(index) { gdv_687132420a780currentImage.src = gdv_687132420a780imageUrls[index]["url"]; gdv_687132420a780imageName.innerHTML = filtrerChaine(gdv_687132420a780imageUrls[index]["name"], "rien"); gdv_687132420a780currentImage.onload = function() { gdv_687132420a780scale = 1; gdv_687132420a780originX = 0; gdv_687132420a780originY = 0; gdv_687132420a780fitImageToCanvas(); gdv_687132420a780drawImage(); };
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_687132420a780swiper = new Swiper(".gdv_687132420a780swiper-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_687132420a780swiper.on("slideChange", function () { // gdv_687132420a780currentSlideIndex = gdv_687132420a780swiper.activeIndex; // gdv_687132420a780updateSlideNumber(); //});
// Plein écran gdv_687132420a780fullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_687132420a780gd-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_687132420a780canvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_687132420a780scale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_687132420a780minScale, Math.min(gdv_687132420a780maxScale, newScale)); const scaleRatio = newScale / gdv_687132420a780scale; gdv_687132420a780originX = mouseX - (mouseX - gdv_687132420a780originX) * scaleRatio; gdv_687132420a780originY = mouseY - (mouseY - gdv_687132420a780originY) * scaleRatio; gdv_687132420a780scale = newScale; gdv_687132420a780drawImage(); }); // Gestion du déplacement (pan) let gdv_687132420a780isDragging = false; let gdv_687132420a780startX, gdv_687132420a780startY; gdv_687132420a780canvas.addEventListener("mousedown", function(event) { gdv_687132420a780isDragging = true; gdv_687132420a780startX = event.offsetX - gdv_687132420a780originX; gdv_687132420a780startY = event.offsetY - gdv_687132420a780originY; gdv_687132420a780canvas.style.cursor = "grabbing"; }); gdv_687132420a780canvas.addEventListener("mousemove", function(event) { if (gdv_687132420a780isDragging) { gdv_687132420a780originX = event.offsetX - gdv_687132420a780startX; gdv_687132420a780originY = event.offsetY - gdv_687132420a780startY; gdv_687132420a780drawImage(); } }); // Gestion des événements tactiles gdv_687132420a780canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_687132420a780isDragging = true; const touch = event.touches[0]; gdv_687132420a780startX = touch.pageX - gdv_687132420a780originX; gdv_687132420a780startY = touch.pageY - gdv_687132420a780originY; } }); gdv_687132420a780canvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_687132420a780originX = touch.pageX - gdv_687132420a780startX; gdv_687132420a780originY = touch.pageY - gdv_687132420a780startY; gdv_687132420a780drawImage(); }); gdv_687132420a780canvas.addEventListener("touchend", function() { gdv_687132420a780isDragging = false; }); gdv_687132420a780canvas.addEventListener("mouseup", function() { gdv_687132420a780isDragging = false; gdv_687132420a780canvas.style.cursor = "grab"; }); gdv_687132420a780canvas.addEventListener("mouseleave", function() { gdv_687132420a780isDragging = false; gdv_687132420a780canvas.style.cursor = "grab"; }); gdv_687132420a780zoomInButton.addEventListener("click", function() { let newScale = gdv_687132420a780scale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_687132420a780scale = Math.max(gdv_687132420a780minScale, Math.min(gdv_687132420a780maxScale, newScale)); gdv_687132420a780drawImage(); }); gdv_687132420a780zoomOutButton.addEventListener("click", function() { let newScale = gdv_687132420a780scale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_687132420a780scale = Math.max(gdv_687132420a780minScale, Math.min(gdv_687132420a780maxScale, newScale)); gdv_687132420a780drawImage(); }); gdv_687132420a780resetZoomButton.addEventListener("click", function() { gdv_687132420a780rotationAngle = 0; gdv_687132420a780fitImageToCanvas(); gdv_687132420a780drawImage(); }); function gdv_687132420a780getImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_687132420a780downloadImage").addEventListener("click", function() { let url = gdv_687132420a780currentImage.src; const imageId = gdv_687132420a780getImageIdFromUrl(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_687132420a780printImageFromApi(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_687132420a780printButton = document.getElementById("gdv_687132420a780printCanvas");
gdv_687132420a780printButton.addEventListener("click", function() { let url = gdv_687132420a780currentImage.src; const imageId = gdv_687132420a780getImageIdFromUrl(url); gdv_687132420a780printImageFromApi(imageId); });
let gdv_687132420a780initialDistance = 0; let gdv_687132420a780initialScale = 1;
gdv_687132420a780canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_687132420a780initialDistance = getDistance(event.touches[0], event.touches[1]); gdv_687132420a780initialScale = gdv_687132420a780scale; } });
gdv_687132420a780canvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_687132420a780initialDistance; let newScale = gdv_687132420a780initialScale * scaleChange;
newScale = Math.max(gdv_687132420a780minScale, Math.min(gdv_687132420a780maxScale, 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_687132420a780scale; gdv_687132420a780originX = centerX - (centerX - gdv_687132420a780originX) * scaleRatio; gdv_687132420a780originY = centerY - (centerY - gdv_687132420a780originY) * scaleRatio;
gdv_687132420a780scale = newScale; gdv_687132420a780drawImage(); // 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); }