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const gdv_688a66fdc676bcanvas = document.getElementById("gdv_688a66fdc676bimageCanvas"); const gdv_688a66fdc676bctx = gdv_688a66fdc676bcanvas.getContext("2d");
const gdv_688a66fdc676bthumbnailContainer = document.getElementById("gdv_688a66fdc676bthumbnailContainer"); const gdv_688a66fdc676bthumbnailContainerWrapper = document.getElementById("gdv_688a66fdc676bthumbnailContainerWrapper"); const gdv_688a66fdc676bzoomInButton = document.getElementById("gdv_688a66fdc676bzoomIn"); const gdv_688a66fdc676bzoomOutButton = document.getElementById("gdv_688a66fdc676bzoomOut"); const gdv_688a66fdc676bresetZoomButton = document.getElementById("gdv_688a66fdc676bresetZoom");
const gdv_688a66fdc676bbrightnessInput = document.getElementById("gdv_688a66fdc676bbrightness"); const gdv_688a66fdc676bcontrastInput = document.getElementById("gdv_688a66fdc676bcontrast"); const gdv_688a66fdc676bfullscreenButton = document.getElementById("gdv_688a66fdc676bfullscreen");
const gdv_688a66fdc676brotateRightButton = document.getElementById("gdv_688a66fdc676brotateRight"); const gdv_688a66fdc676brotateLeftButton = document.getElementById("gdv_688a66fdc676brotateLeft");
const gdv_688a66fdc676bprevSlideButton = document.getElementById("gdv_688a66fdc676bprevSlide"); const gdv_688a66fdc676bnextSlideButton = document.getElementById("gdv_688a66fdc676bnextSlide"); const gdv_688a66fdc676bslideNumberDisplay = document.getElementById("gdv_688a66fdc676bslideNumber"); const gdv_688a66fdc676bimageName = document.getElementById("gdv_688a66fdc676bimageName");
let gdv_688a66fdc676bcurrentSlideIndex = 0;
gdv_688a66fdc676bbrightnessInput.addEventListener("input", gdv_688a66fdc676bdrawImage); gdv_688a66fdc676bcontrastInput.addEventListener("input", gdv_688a66fdc676bdrawImage);
const gdv_688a66fdc676bimageUrls = [{"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_688a66fdc676bscale = 1; let gdv_688a66fdc676boriginX = 0; let gdv_688a66fdc676boriginY = 0; const gdv_688a66fdc676bminScale = 0.1; const gdv_688a66fdc676bmaxScale = 5; let gdv_688a66fdc676bcurrentImage = new Image();
let gdv_688a66fdc676brotationAngle = 0;
gdv_688a66fdc676brotateRightButton.addEventListener("click", function() { gdv_688a66fdc676brotationAngle = (gdv_688a66fdc676brotationAngle + 90) % 360; gdv_688a66fdc676bdrawImage(); });
gdv_688a66fdc676brotateLeftButton.addEventListener("click", function() { gdv_688a66fdc676brotationAngle = (gdv_688a66fdc676brotationAngle - 90 + 360) % 360; gdv_688a66fdc676bdrawImage(); });
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_688a66fdc676bcurrentImage.src = gdv_688a66fdc676bimageUrls[0]["url"]; gdv_688a66fdc676bimageName.innerHTML = filtrerChaine(gdv_688a66fdc676bimageUrls[0]["name"], "rien"); gdv_688a66fdc676bcurrentImage.onload = function() {
gdv_688a66fdc676bupdateSlideNumber(); gdv_688a66fdc676bresizeCanvas(); gdv_688a66fdc676bdrawImage(); document.getElementById("gdv_688a66fdc676bcontrols").style.display = "block"; };
function gdv_688a66fdc676bupdateSlideNumber() { gdv_688a66fdc676bslideNumberDisplay.textContent = `${gdv_688a66fdc676bcurrentSlideIndex + 1} / ${gdv_688a66fdc676bimageUrls.length}`; }
gdv_688a66fdc676bprevSlideButton.addEventListener("click", function() { if (gdv_688a66fdc676bcurrentSlideIndex > 0) { gdv_688a66fdc676bcurrentSlideIndex--; gdv_688a66fdc676bloadImage(gdv_688a66fdc676bcurrentSlideIndex); gdv_688a66fdc676bupdateSlideNumber(); } });
gdv_688a66fdc676bnextSlideButton.addEventListener("click", function() { if (gdv_688a66fdc676bcurrentSlideIndex < gdv_688a66fdc676bimageUrls.length - 1) { gdv_688a66fdc676bcurrentSlideIndex++; gdv_688a66fdc676bloadImage(gdv_688a66fdc676bcurrentSlideIndex); gdv_688a66fdc676bupdateSlideNumber(); } }); function gdv_688a66fdc676bresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_688a66fdc676bcanvasContainer"); gdv_688a66fdc676bcanvas.width = container.clientWidth; gdv_688a66fdc676bcanvas.height = container.clientHeight - 30; gdv_688a66fdc676bfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_688a66fdc676bdrawImage(); } window.addEventListener("load", gdv_688a66fdc676bresizeCanvas); window.addEventListener("resize", gdv_688a66fdc676bresizeCanvas); function gdv_688a66fdc676bfitImageToCanvas() { const canvasAspect = gdv_688a66fdc676bcanvas.width / gdv_688a66fdc676bcanvas.height; const imageAspect = gdv_688a66fdc676bcurrentImage.width / gdv_688a66fdc676bcurrentImage.height; if (imageAspect > canvasAspect) { gdv_688a66fdc676bscale = gdv_688a66fdc676bcanvas.width / gdv_688a66fdc676bcurrentImage.width; } else { gdv_688a66fdc676bscale = gdv_688a66fdc676bcanvas.height / gdv_688a66fdc676bcurrentImage.height; } gdv_688a66fdc676boriginX = gdv_688a66fdc676bcanvas.width / 2; gdv_688a66fdc676boriginY = gdv_688a66fdc676bcanvas.height / 2; }
function gdv_688a66fdc676bdrawImage() { gdv_688a66fdc676bctx.clearRect(0, 0, gdv_688a66fdc676bcanvas.width, gdv_688a66fdc676bcanvas.height); gdv_688a66fdc676bctx.save(); gdv_688a66fdc676bctx.translate(gdv_688a66fdc676boriginX, gdv_688a66fdc676boriginY); gdv_688a66fdc676bctx.rotate((Math.PI / 180) * gdv_688a66fdc676brotationAngle); gdv_688a66fdc676bctx.scale(gdv_688a66fdc676bscale, gdv_688a66fdc676bscale);
// Appliquer la luminosité et le contraste gdv_688a66fdc676bctx.filter = `brightness(${gdv_688a66fdc676bbrightnessInput.value}) contrast(${gdv_688a66fdc676bcontrastInput.value})`; gdv_688a66fdc676bctx.drawImage(gdv_688a66fdc676bcurrentImage, -gdv_688a66fdc676bcurrentImage.width/2, -gdv_688a66fdc676bcurrentImage.height/2); gdv_688a66fdc676bctx.restore(); }
// Ajouter les miniatures des images gdv_688a66fdc676bimageUrls.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_688a66fdc676bloadImage(index); gdv_688a66fdc676bcurrentSlideIndex = index; gdv_688a66fdc676bupdateSlideNumber(); }; slide.appendChild(img); gdv_688a66fdc676bthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_688a66fdc676bloadImage(index) { gdv_688a66fdc676bcurrentImage.src = gdv_688a66fdc676bimageUrls[index]["url"]; gdv_688a66fdc676bimageName.innerHTML = filtrerChaine(gdv_688a66fdc676bimageUrls[index]["name"], "rien"); gdv_688a66fdc676bcurrentImage.onload = function() { gdv_688a66fdc676bscale = 1; gdv_688a66fdc676boriginX = 0; gdv_688a66fdc676boriginY = 0; gdv_688a66fdc676bfitImageToCanvas(); gdv_688a66fdc676bdrawImage(); };
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_688a66fdc676bswiper = new Swiper(".gdv_688a66fdc676bswiper-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_688a66fdc676bswiper.on("slideChange", function () { // gdv_688a66fdc676bcurrentSlideIndex = gdv_688a66fdc676bswiper.activeIndex; // gdv_688a66fdc676bupdateSlideNumber(); //});
// Plein écran gdv_688a66fdc676bfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_688a66fdc676bgd-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_688a66fdc676bcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_688a66fdc676bscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_688a66fdc676bminScale, Math.min(gdv_688a66fdc676bmaxScale, newScale)); const scaleRatio = newScale / gdv_688a66fdc676bscale; gdv_688a66fdc676boriginX = mouseX - (mouseX - gdv_688a66fdc676boriginX) * scaleRatio; gdv_688a66fdc676boriginY = mouseY - (mouseY - gdv_688a66fdc676boriginY) * scaleRatio; gdv_688a66fdc676bscale = newScale; gdv_688a66fdc676bdrawImage(); }); // Gestion du déplacement (pan) let gdv_688a66fdc676bisDragging = false; let gdv_688a66fdc676bstartX, gdv_688a66fdc676bstartY; gdv_688a66fdc676bcanvas.addEventListener("mousedown", function(event) { gdv_688a66fdc676bisDragging = true; gdv_688a66fdc676bstartX = event.offsetX - gdv_688a66fdc676boriginX; gdv_688a66fdc676bstartY = event.offsetY - gdv_688a66fdc676boriginY; gdv_688a66fdc676bcanvas.style.cursor = "grabbing"; }); gdv_688a66fdc676bcanvas.addEventListener("mousemove", function(event) { if (gdv_688a66fdc676bisDragging) { gdv_688a66fdc676boriginX = event.offsetX - gdv_688a66fdc676bstartX; gdv_688a66fdc676boriginY = event.offsetY - gdv_688a66fdc676bstartY; gdv_688a66fdc676bdrawImage(); } }); // Gestion des événements tactiles gdv_688a66fdc676bcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_688a66fdc676bisDragging = true; const touch = event.touches[0]; gdv_688a66fdc676bstartX = touch.pageX - gdv_688a66fdc676boriginX; gdv_688a66fdc676bstartY = touch.pageY - gdv_688a66fdc676boriginY; } }); gdv_688a66fdc676bcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_688a66fdc676boriginX = touch.pageX - gdv_688a66fdc676bstartX; gdv_688a66fdc676boriginY = touch.pageY - gdv_688a66fdc676bstartY; gdv_688a66fdc676bdrawImage(); }); gdv_688a66fdc676bcanvas.addEventListener("touchend", function() { gdv_688a66fdc676bisDragging = false; }); gdv_688a66fdc676bcanvas.addEventListener("mouseup", function() { gdv_688a66fdc676bisDragging = false; gdv_688a66fdc676bcanvas.style.cursor = "grab"; }); gdv_688a66fdc676bcanvas.addEventListener("mouseleave", function() { gdv_688a66fdc676bisDragging = false; gdv_688a66fdc676bcanvas.style.cursor = "grab"; }); gdv_688a66fdc676bzoomInButton.addEventListener("click", function() { let newScale = gdv_688a66fdc676bscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_688a66fdc676bscale = Math.max(gdv_688a66fdc676bminScale, Math.min(gdv_688a66fdc676bmaxScale, newScale)); gdv_688a66fdc676bdrawImage(); }); gdv_688a66fdc676bzoomOutButton.addEventListener("click", function() { let newScale = gdv_688a66fdc676bscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_688a66fdc676bscale = Math.max(gdv_688a66fdc676bminScale, Math.min(gdv_688a66fdc676bmaxScale, newScale)); gdv_688a66fdc676bdrawImage(); }); gdv_688a66fdc676bresetZoomButton.addEventListener("click", function() { gdv_688a66fdc676brotationAngle = 0; gdv_688a66fdc676bfitImageToCanvas(); gdv_688a66fdc676bdrawImage(); }); function gdv_688a66fdc676bgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_688a66fdc676bdownloadImage").addEventListener("click", function() { let url = gdv_688a66fdc676bcurrentImage.src; const imageId = gdv_688a66fdc676bgetImageIdFromUrl(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_688a66fdc676bprintImageFromApi(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_688a66fdc676bprintButton = document.getElementById("gdv_688a66fdc676bprintCanvas");
gdv_688a66fdc676bprintButton.addEventListener("click", function() { let url = gdv_688a66fdc676bcurrentImage.src; const imageId = gdv_688a66fdc676bgetImageIdFromUrl(url); gdv_688a66fdc676bprintImageFromApi(imageId); });
let gdv_688a66fdc676binitialDistance = 0; let gdv_688a66fdc676binitialScale = 1;
gdv_688a66fdc676bcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_688a66fdc676binitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_688a66fdc676binitialScale = gdv_688a66fdc676bscale; } });
gdv_688a66fdc676bcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_688a66fdc676binitialDistance; let newScale = gdv_688a66fdc676binitialScale * scaleChange;
newScale = Math.max(gdv_688a66fdc676bminScale, Math.min(gdv_688a66fdc676bmaxScale, 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_688a66fdc676bscale; gdv_688a66fdc676boriginX = centerX - (centerX - gdv_688a66fdc676boriginX) * scaleRatio; gdv_688a66fdc676boriginY = centerY - (centerY - gdv_688a66fdc676boriginY) * scaleRatio;
gdv_688a66fdc676bscale = newScale; gdv_688a66fdc676bdrawImage(); // 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); }