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const gdv_6864a28d5cd95canvas = document.getElementById("gdv_6864a28d5cd95imageCanvas"); const gdv_6864a28d5cd95ctx = gdv_6864a28d5cd95canvas.getContext("2d");
const gdv_6864a28d5cd95thumbnailContainer = document.getElementById("gdv_6864a28d5cd95thumbnailContainer"); const gdv_6864a28d5cd95thumbnailContainerWrapper = document.getElementById("gdv_6864a28d5cd95thumbnailContainerWrapper"); const gdv_6864a28d5cd95zoomInButton = document.getElementById("gdv_6864a28d5cd95zoomIn"); const gdv_6864a28d5cd95zoomOutButton = document.getElementById("gdv_6864a28d5cd95zoomOut"); const gdv_6864a28d5cd95resetZoomButton = document.getElementById("gdv_6864a28d5cd95resetZoom");
const gdv_6864a28d5cd95brightnessInput = document.getElementById("gdv_6864a28d5cd95brightness"); const gdv_6864a28d5cd95contrastInput = document.getElementById("gdv_6864a28d5cd95contrast"); const gdv_6864a28d5cd95fullscreenButton = document.getElementById("gdv_6864a28d5cd95fullscreen");
const gdv_6864a28d5cd95rotateRightButton = document.getElementById("gdv_6864a28d5cd95rotateRight"); const gdv_6864a28d5cd95rotateLeftButton = document.getElementById("gdv_6864a28d5cd95rotateLeft");
const gdv_6864a28d5cd95prevSlideButton = document.getElementById("gdv_6864a28d5cd95prevSlide"); const gdv_6864a28d5cd95nextSlideButton = document.getElementById("gdv_6864a28d5cd95nextSlide"); const gdv_6864a28d5cd95slideNumberDisplay = document.getElementById("gdv_6864a28d5cd95slideNumber"); const gdv_6864a28d5cd95imageName = document.getElementById("gdv_6864a28d5cd95imageName");
let gdv_6864a28d5cd95currentSlideIndex = 0;
gdv_6864a28d5cd95brightnessInput.addEventListener("input", gdv_6864a28d5cd95drawImage); gdv_6864a28d5cd95contrastInput.addEventListener("input", gdv_6864a28d5cd95drawImage);
const gdv_6864a28d5cd95imageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1dfbuPTOdmMnyRG-9Ze6ShpQndSJxiXGe&sz=w3000","name":"EPOL_ordre d'arrestation de Rollain, Cotelle et Esnault.jpg"}];
let gdv_6864a28d5cd95scale = 1; let gdv_6864a28d5cd95originX = 0; let gdv_6864a28d5cd95originY = 0; const gdv_6864a28d5cd95minScale = 0.1; const gdv_6864a28d5cd95maxScale = 5; let gdv_6864a28d5cd95currentImage = new Image();
let gdv_6864a28d5cd95rotationAngle = 0;
gdv_6864a28d5cd95rotateRightButton.addEventListener("click", function() { gdv_6864a28d5cd95rotationAngle = (gdv_6864a28d5cd95rotationAngle + 90) % 360; gdv_6864a28d5cd95drawImage(); });
gdv_6864a28d5cd95rotateLeftButton.addEventListener("click", function() { gdv_6864a28d5cd95rotationAngle = (gdv_6864a28d5cd95rotationAngle - 90 + 360) % 360; gdv_6864a28d5cd95drawImage(); });
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_6864a28d5cd95currentImage.src = gdv_6864a28d5cd95imageUrls[0]["url"]; gdv_6864a28d5cd95imageName.innerHTML = filtrerChaine(gdv_6864a28d5cd95imageUrls[0]["name"], "rien"); gdv_6864a28d5cd95currentImage.onload = function() {
gdv_6864a28d5cd95updateSlideNumber(); gdv_6864a28d5cd95resizeCanvas(); gdv_6864a28d5cd95drawImage(); document.getElementById("gdv_6864a28d5cd95controls").style.display = "block"; };
function gdv_6864a28d5cd95updateSlideNumber() { gdv_6864a28d5cd95slideNumberDisplay.textContent = `${gdv_6864a28d5cd95currentSlideIndex + 1} / ${gdv_6864a28d5cd95imageUrls.length}`; }
gdv_6864a28d5cd95prevSlideButton.addEventListener("click", function() { if (gdv_6864a28d5cd95currentSlideIndex > 0) { gdv_6864a28d5cd95currentSlideIndex--; gdv_6864a28d5cd95loadImage(gdv_6864a28d5cd95currentSlideIndex); gdv_6864a28d5cd95updateSlideNumber(); } });
gdv_6864a28d5cd95nextSlideButton.addEventListener("click", function() { if (gdv_6864a28d5cd95currentSlideIndex < gdv_6864a28d5cd95imageUrls.length - 1) { gdv_6864a28d5cd95currentSlideIndex++; gdv_6864a28d5cd95loadImage(gdv_6864a28d5cd95currentSlideIndex); gdv_6864a28d5cd95updateSlideNumber(); } }); function gdv_6864a28d5cd95resizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_6864a28d5cd95canvasContainer"); gdv_6864a28d5cd95canvas.width = container.clientWidth; gdv_6864a28d5cd95canvas.height = container.clientHeight - 30; gdv_6864a28d5cd95fitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_6864a28d5cd95drawImage(); } window.addEventListener("load", gdv_6864a28d5cd95resizeCanvas); window.addEventListener("resize", gdv_6864a28d5cd95resizeCanvas); function gdv_6864a28d5cd95fitImageToCanvas() { const canvasAspect = gdv_6864a28d5cd95canvas.width / gdv_6864a28d5cd95canvas.height; const imageAspect = gdv_6864a28d5cd95currentImage.width / gdv_6864a28d5cd95currentImage.height; if (imageAspect > canvasAspect) { gdv_6864a28d5cd95scale = gdv_6864a28d5cd95canvas.width / gdv_6864a28d5cd95currentImage.width; } else { gdv_6864a28d5cd95scale = gdv_6864a28d5cd95canvas.height / gdv_6864a28d5cd95currentImage.height; } gdv_6864a28d5cd95originX = gdv_6864a28d5cd95canvas.width / 2; gdv_6864a28d5cd95originY = gdv_6864a28d5cd95canvas.height / 2; }
function gdv_6864a28d5cd95drawImage() { gdv_6864a28d5cd95ctx.clearRect(0, 0, gdv_6864a28d5cd95canvas.width, gdv_6864a28d5cd95canvas.height); gdv_6864a28d5cd95ctx.save(); gdv_6864a28d5cd95ctx.translate(gdv_6864a28d5cd95originX, gdv_6864a28d5cd95originY); gdv_6864a28d5cd95ctx.rotate((Math.PI / 180) * gdv_6864a28d5cd95rotationAngle); gdv_6864a28d5cd95ctx.scale(gdv_6864a28d5cd95scale, gdv_6864a28d5cd95scale);
// Appliquer la luminosité et le contraste gdv_6864a28d5cd95ctx.filter = `brightness(${gdv_6864a28d5cd95brightnessInput.value}) contrast(${gdv_6864a28d5cd95contrastInput.value})`; gdv_6864a28d5cd95ctx.drawImage(gdv_6864a28d5cd95currentImage, -gdv_6864a28d5cd95currentImage.width/2, -gdv_6864a28d5cd95currentImage.height/2); gdv_6864a28d5cd95ctx.restore(); }
// Ajouter les miniatures des images gdv_6864a28d5cd95imageUrls.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_6864a28d5cd95loadImage(index); gdv_6864a28d5cd95currentSlideIndex = index; gdv_6864a28d5cd95updateSlideNumber(); }; slide.appendChild(img); gdv_6864a28d5cd95thumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_6864a28d5cd95loadImage(index) { gdv_6864a28d5cd95currentImage.src = gdv_6864a28d5cd95imageUrls[index]["url"]; gdv_6864a28d5cd95imageName.innerHTML = filtrerChaine(gdv_6864a28d5cd95imageUrls[index]["name"], "rien"); gdv_6864a28d5cd95currentImage.onload = function() { gdv_6864a28d5cd95scale = 1; gdv_6864a28d5cd95originX = 0; gdv_6864a28d5cd95originY = 0; gdv_6864a28d5cd95fitImageToCanvas(); gdv_6864a28d5cd95drawImage(); };
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_6864a28d5cd95swiper = new Swiper(".gdv_6864a28d5cd95swiper-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_6864a28d5cd95swiper.on("slideChange", function () { // gdv_6864a28d5cd95currentSlideIndex = gdv_6864a28d5cd95swiper.activeIndex; // gdv_6864a28d5cd95updateSlideNumber(); //});
// Plein écran gdv_6864a28d5cd95fullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_6864a28d5cd95gd-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_6864a28d5cd95canvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_6864a28d5cd95scale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_6864a28d5cd95minScale, Math.min(gdv_6864a28d5cd95maxScale, newScale)); const scaleRatio = newScale / gdv_6864a28d5cd95scale; gdv_6864a28d5cd95originX = mouseX - (mouseX - gdv_6864a28d5cd95originX) * scaleRatio; gdv_6864a28d5cd95originY = mouseY - (mouseY - gdv_6864a28d5cd95originY) * scaleRatio; gdv_6864a28d5cd95scale = newScale; gdv_6864a28d5cd95drawImage(); }); // Gestion du déplacement (pan) let gdv_6864a28d5cd95isDragging = false; let gdv_6864a28d5cd95startX, gdv_6864a28d5cd95startY; gdv_6864a28d5cd95canvas.addEventListener("mousedown", function(event) { gdv_6864a28d5cd95isDragging = true; gdv_6864a28d5cd95startX = event.offsetX - gdv_6864a28d5cd95originX; gdv_6864a28d5cd95startY = event.offsetY - gdv_6864a28d5cd95originY; gdv_6864a28d5cd95canvas.style.cursor = "grabbing"; }); gdv_6864a28d5cd95canvas.addEventListener("mousemove", function(event) { if (gdv_6864a28d5cd95isDragging) { gdv_6864a28d5cd95originX = event.offsetX - gdv_6864a28d5cd95startX; gdv_6864a28d5cd95originY = event.offsetY - gdv_6864a28d5cd95startY; gdv_6864a28d5cd95drawImage(); } }); // Gestion des événements tactiles gdv_6864a28d5cd95canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_6864a28d5cd95isDragging = true; const touch = event.touches[0]; gdv_6864a28d5cd95startX = touch.pageX - gdv_6864a28d5cd95originX; gdv_6864a28d5cd95startY = touch.pageY - gdv_6864a28d5cd95originY; } }); gdv_6864a28d5cd95canvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_6864a28d5cd95originX = touch.pageX - gdv_6864a28d5cd95startX; gdv_6864a28d5cd95originY = touch.pageY - gdv_6864a28d5cd95startY; gdv_6864a28d5cd95drawImage(); }); gdv_6864a28d5cd95canvas.addEventListener("touchend", function() { gdv_6864a28d5cd95isDragging = false; }); gdv_6864a28d5cd95canvas.addEventListener("mouseup", function() { gdv_6864a28d5cd95isDragging = false; gdv_6864a28d5cd95canvas.style.cursor = "grab"; }); gdv_6864a28d5cd95canvas.addEventListener("mouseleave", function() { gdv_6864a28d5cd95isDragging = false; gdv_6864a28d5cd95canvas.style.cursor = "grab"; }); gdv_6864a28d5cd95zoomInButton.addEventListener("click", function() { let newScale = gdv_6864a28d5cd95scale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_6864a28d5cd95scale = Math.max(gdv_6864a28d5cd95minScale, Math.min(gdv_6864a28d5cd95maxScale, newScale)); gdv_6864a28d5cd95drawImage(); }); gdv_6864a28d5cd95zoomOutButton.addEventListener("click", function() { let newScale = gdv_6864a28d5cd95scale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_6864a28d5cd95scale = Math.max(gdv_6864a28d5cd95minScale, Math.min(gdv_6864a28d5cd95maxScale, newScale)); gdv_6864a28d5cd95drawImage(); }); gdv_6864a28d5cd95resetZoomButton.addEventListener("click", function() { gdv_6864a28d5cd95rotationAngle = 0; gdv_6864a28d5cd95fitImageToCanvas(); gdv_6864a28d5cd95drawImage(); }); function gdv_6864a28d5cd95getImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_6864a28d5cd95downloadImage").addEventListener("click", function() { let url = gdv_6864a28d5cd95currentImage.src; const imageId = gdv_6864a28d5cd95getImageIdFromUrl(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_6864a28d5cd95printImageFromApi(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_6864a28d5cd95printButton = document.getElementById("gdv_6864a28d5cd95printCanvas");
gdv_6864a28d5cd95printButton.addEventListener("click", function() { let url = gdv_6864a28d5cd95currentImage.src; const imageId = gdv_6864a28d5cd95getImageIdFromUrl(url); gdv_6864a28d5cd95printImageFromApi(imageId); });
let gdv_6864a28d5cd95initialDistance = 0; let gdv_6864a28d5cd95initialScale = 1;
gdv_6864a28d5cd95canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_6864a28d5cd95initialDistance = getDistance(event.touches[0], event.touches[1]); gdv_6864a28d5cd95initialScale = gdv_6864a28d5cd95scale; } });
gdv_6864a28d5cd95canvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_6864a28d5cd95initialDistance; let newScale = gdv_6864a28d5cd95initialScale * scaleChange;
newScale = Math.max(gdv_6864a28d5cd95minScale, Math.min(gdv_6864a28d5cd95maxScale, 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_6864a28d5cd95scale; gdv_6864a28d5cd95originX = centerX - (centerX - gdv_6864a28d5cd95originX) * scaleRatio; gdv_6864a28d5cd95originY = centerY - (centerY - gdv_6864a28d5cd95originY) * scaleRatio;
gdv_6864a28d5cd95scale = newScale; gdv_6864a28d5cd95drawImage(); // 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); }