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const gdv_6ad42028c899bcanvas = document.getElementById("gdv_6ad42028c899bimageCanvas"); const gdv_6ad42028c899bctx = gdv_6ad42028c899bcanvas.getContext("2d");
const gdv_6ad42028c899bthumbnailContainer = document.getElementById("gdv_6ad42028c899bthumbnailContainer"); const gdv_6ad42028c899bthumbnailContainerWrapper = document.getElementById("gdv_6ad42028c899bthumbnailContainerWrapper"); const gdv_6ad42028c899bzoomInButton = document.getElementById("gdv_6ad42028c899bzoomIn"); const gdv_6ad42028c899bzoomOutButton = document.getElementById("gdv_6ad42028c899bzoomOut"); const gdv_6ad42028c899bresetZoomButton = document.getElementById("gdv_6ad42028c899bresetZoom");
const gdv_6ad42028c899bbrightnessInput = document.getElementById("gdv_6ad42028c899bbrightness"); const gdv_6ad42028c899bcontrastInput = document.getElementById("gdv_6ad42028c899bcontrast"); const gdv_6ad42028c899bfullscreenButton = document.getElementById("gdv_6ad42028c899bfullscreen");
const gdv_6ad42028c899brotateRightButton = document.getElementById("gdv_6ad42028c899brotateRight"); const gdv_6ad42028c899brotateLeftButton = document.getElementById("gdv_6ad42028c899brotateLeft");
const gdv_6ad42028c899bprevSlideButton = document.getElementById("gdv_6ad42028c899bprevSlide"); const gdv_6ad42028c899bnextSlideButton = document.getElementById("gdv_6ad42028c899bnextSlide"); const gdv_6ad42028c899bslideNumberDisplay = document.getElementById("gdv_6ad42028c899bslideNumber"); const gdv_6ad42028c899bimageName = document.getElementById("gdv_6ad42028c899bimageName");
let gdv_6ad42028c899bcurrentSlideIndex = 0;
gdv_6ad42028c899bbrightnessInput.addEventListener("input", gdv_6ad42028c899bdrawImage); gdv_6ad42028c899bcontrastInput.addEventListener("input", gdv_6ad42028c899bdrawImage);
const gdv_6ad42028c899bimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1fNH6WqnswPXk_sIEMNKJmvk-B3mcOPTO&sz=w3000","name":"Adresse de Galbaud aux soldats.jpg"}];
let gdv_6ad42028c899bscale = 1; let gdv_6ad42028c899boriginX = 0; let gdv_6ad42028c899boriginY = 0; const gdv_6ad42028c899bminScale = 0.1; const gdv_6ad42028c899bmaxScale = 5; let gdv_6ad42028c899bcurrentImage = new Image();
let gdv_6ad42028c899brotationAngle = 0;
gdv_6ad42028c899brotateRightButton.addEventListener("click", function() { gdv_6ad42028c899brotationAngle = (gdv_6ad42028c899brotationAngle + 90) % 360; gdv_6ad42028c899bdrawImage(); });
gdv_6ad42028c899brotateLeftButton.addEventListener("click", function() { gdv_6ad42028c899brotationAngle = (gdv_6ad42028c899brotationAngle - 90 + 360) % 360; gdv_6ad42028c899bdrawImage(); });
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_6ad42028c899bcurrentImage.src = gdv_6ad42028c899bimageUrls[0]["url"]; gdv_6ad42028c899bimageName.innerHTML = filtrerChaine(gdv_6ad42028c899bimageUrls[0]["name"], "rien"); gdv_6ad42028c899bcurrentImage.onload = function() {
gdv_6ad42028c899bupdateSlideNumber(); gdv_6ad42028c899bresizeCanvas(); gdv_6ad42028c899bdrawImage(); document.getElementById("gdv_6ad42028c899bcontrols").style.display = "block"; };
function gdv_6ad42028c899bupdateSlideNumber() { gdv_6ad42028c899bslideNumberDisplay.textContent = `${gdv_6ad42028c899bcurrentSlideIndex + 1} / ${gdv_6ad42028c899bimageUrls.length}`; }
gdv_6ad42028c899bprevSlideButton.addEventListener("click", function() { if (gdv_6ad42028c899bcurrentSlideIndex > 0) { gdv_6ad42028c899bcurrentSlideIndex--; gdv_6ad42028c899bloadImage(gdv_6ad42028c899bcurrentSlideIndex); gdv_6ad42028c899bupdateSlideNumber(); } });
gdv_6ad42028c899bnextSlideButton.addEventListener("click", function() { if (gdv_6ad42028c899bcurrentSlideIndex < gdv_6ad42028c899bimageUrls.length - 1) { gdv_6ad42028c899bcurrentSlideIndex++; gdv_6ad42028c899bloadImage(gdv_6ad42028c899bcurrentSlideIndex); gdv_6ad42028c899bupdateSlideNumber(); } }); function gdv_6ad42028c899bresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_6ad42028c899bcanvasContainer"); gdv_6ad42028c899bcanvas.width = container.clientWidth; gdv_6ad42028c899bcanvas.height = container.clientHeight - 30; gdv_6ad42028c899bfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_6ad42028c899bdrawImage(); } window.addEventListener("load", gdv_6ad42028c899bresizeCanvas); window.addEventListener("resize", gdv_6ad42028c899bresizeCanvas); function gdv_6ad42028c899bfitImageToCanvas() { const canvasAspect = gdv_6ad42028c899bcanvas.width / gdv_6ad42028c899bcanvas.height; const imageAspect = gdv_6ad42028c899bcurrentImage.width / gdv_6ad42028c899bcurrentImage.height; if (imageAspect > canvasAspect) { gdv_6ad42028c899bscale = gdv_6ad42028c899bcanvas.width / gdv_6ad42028c899bcurrentImage.width; } else { gdv_6ad42028c899bscale = gdv_6ad42028c899bcanvas.height / gdv_6ad42028c899bcurrentImage.height; } gdv_6ad42028c899boriginX = gdv_6ad42028c899bcanvas.width / 2; gdv_6ad42028c899boriginY = gdv_6ad42028c899bcanvas.height / 2; }
function gdv_6ad42028c899bdrawImage() { gdv_6ad42028c899bctx.clearRect(0, 0, gdv_6ad42028c899bcanvas.width, gdv_6ad42028c899bcanvas.height); gdv_6ad42028c899bctx.save(); gdv_6ad42028c899bctx.translate(gdv_6ad42028c899boriginX, gdv_6ad42028c899boriginY); gdv_6ad42028c899bctx.rotate((Math.PI / 180) * gdv_6ad42028c899brotationAngle); gdv_6ad42028c899bctx.scale(gdv_6ad42028c899bscale, gdv_6ad42028c899bscale);
// Appliquer la luminosité et le contraste gdv_6ad42028c899bctx.filter = `brightness(${gdv_6ad42028c899bbrightnessInput.value}) contrast(${gdv_6ad42028c899bcontrastInput.value})`; gdv_6ad42028c899bctx.drawImage(gdv_6ad42028c899bcurrentImage, -gdv_6ad42028c899bcurrentImage.width/2, -gdv_6ad42028c899bcurrentImage.height/2); gdv_6ad42028c899bctx.restore(); }
// Ajouter les miniatures des images gdv_6ad42028c899bimageUrls.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_6ad42028c899bloadImage(index); gdv_6ad42028c899bcurrentSlideIndex = index; gdv_6ad42028c899bupdateSlideNumber(); }; slide.appendChild(img); gdv_6ad42028c899bthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_6ad42028c899bloadImage(index) { gdv_6ad42028c899bcurrentImage.src = gdv_6ad42028c899bimageUrls[index]["url"]; gdv_6ad42028c899bimageName.innerHTML = filtrerChaine(gdv_6ad42028c899bimageUrls[index]["name"], "rien"); gdv_6ad42028c899bcurrentImage.onload = function() { gdv_6ad42028c899bscale = 1; gdv_6ad42028c899boriginX = 0; gdv_6ad42028c899boriginY = 0; gdv_6ad42028c899bfitImageToCanvas(); gdv_6ad42028c899bdrawImage(); };
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_6ad42028c899bswiper = new Swiper(".gdv_6ad42028c899bswiper-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_6ad42028c899bswiper.on("slideChange", function () { // gdv_6ad42028c899bcurrentSlideIndex = gdv_6ad42028c899bswiper.activeIndex; // gdv_6ad42028c899bupdateSlideNumber(); //});
// Plein écran gdv_6ad42028c899bfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_6ad42028c899bgd-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_6ad42028c899bcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_6ad42028c899bscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_6ad42028c899bminScale, Math.min(gdv_6ad42028c899bmaxScale, newScale)); const scaleRatio = newScale / gdv_6ad42028c899bscale; gdv_6ad42028c899boriginX = mouseX - (mouseX - gdv_6ad42028c899boriginX) * scaleRatio; gdv_6ad42028c899boriginY = mouseY - (mouseY - gdv_6ad42028c899boriginY) * scaleRatio; gdv_6ad42028c899bscale = newScale; gdv_6ad42028c899bdrawImage(); }); // Gestion du déplacement (pan) let gdv_6ad42028c899bisDragging = false; let gdv_6ad42028c899bstartX, gdv_6ad42028c899bstartY; gdv_6ad42028c899bcanvas.addEventListener("mousedown", function(event) { gdv_6ad42028c899bisDragging = true; gdv_6ad42028c899bstartX = event.offsetX - gdv_6ad42028c899boriginX; gdv_6ad42028c899bstartY = event.offsetY - gdv_6ad42028c899boriginY; gdv_6ad42028c899bcanvas.style.cursor = "grabbing"; }); gdv_6ad42028c899bcanvas.addEventListener("mousemove", function(event) { if (gdv_6ad42028c899bisDragging) { gdv_6ad42028c899boriginX = event.offsetX - gdv_6ad42028c899bstartX; gdv_6ad42028c899boriginY = event.offsetY - gdv_6ad42028c899bstartY; gdv_6ad42028c899bdrawImage(); } }); // Gestion des événements tactiles gdv_6ad42028c899bcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_6ad42028c899bisDragging = true; const touch = event.touches[0]; gdv_6ad42028c899bstartX = touch.pageX - gdv_6ad42028c899boriginX; gdv_6ad42028c899bstartY = touch.pageY - gdv_6ad42028c899boriginY; } }); gdv_6ad42028c899bcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_6ad42028c899boriginX = touch.pageX - gdv_6ad42028c899bstartX; gdv_6ad42028c899boriginY = touch.pageY - gdv_6ad42028c899bstartY; gdv_6ad42028c899bdrawImage(); }); gdv_6ad42028c899bcanvas.addEventListener("touchend", function() { gdv_6ad42028c899bisDragging = false; }); gdv_6ad42028c899bcanvas.addEventListener("mouseup", function() { gdv_6ad42028c899bisDragging = false; gdv_6ad42028c899bcanvas.style.cursor = "grab"; }); gdv_6ad42028c899bcanvas.addEventListener("mouseleave", function() { gdv_6ad42028c899bisDragging = false; gdv_6ad42028c899bcanvas.style.cursor = "grab"; }); gdv_6ad42028c899bzoomInButton.addEventListener("click", function() { let newScale = gdv_6ad42028c899bscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_6ad42028c899bscale = Math.max(gdv_6ad42028c899bminScale, Math.min(gdv_6ad42028c899bmaxScale, newScale)); gdv_6ad42028c899bdrawImage(); }); gdv_6ad42028c899bzoomOutButton.addEventListener("click", function() { let newScale = gdv_6ad42028c899bscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_6ad42028c899bscale = Math.max(gdv_6ad42028c899bminScale, Math.min(gdv_6ad42028c899bmaxScale, newScale)); gdv_6ad42028c899bdrawImage(); }); gdv_6ad42028c899bresetZoomButton.addEventListener("click", function() { gdv_6ad42028c899brotationAngle = 0; gdv_6ad42028c899bfitImageToCanvas(); gdv_6ad42028c899bdrawImage(); }); function gdv_6ad42028c899bgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_6ad42028c899bdownloadImage").addEventListener("click", function() { let url = gdv_6ad42028c899bcurrentImage.src; const imageId = gdv_6ad42028c899bgetImageIdFromUrl(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_6ad42028c899bprintImageFromApi(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_6ad42028c899bprintButton = document.getElementById("gdv_6ad42028c899bprintCanvas");
gdv_6ad42028c899bprintButton.addEventListener("click", function() { let url = gdv_6ad42028c899bcurrentImage.src; const imageId = gdv_6ad42028c899bgetImageIdFromUrl(url); gdv_6ad42028c899bprintImageFromApi(imageId); });
let gdv_6ad42028c899binitialDistance = 0; let gdv_6ad42028c899binitialScale = 1;
gdv_6ad42028c899bcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_6ad42028c899binitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_6ad42028c899binitialScale = gdv_6ad42028c899bscale; } });
gdv_6ad42028c899bcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_6ad42028c899binitialDistance; let newScale = gdv_6ad42028c899binitialScale * scaleChange;
newScale = Math.max(gdv_6ad42028c899bminScale, Math.min(gdv_6ad42028c899bmaxScale, 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_6ad42028c899bscale; gdv_6ad42028c899boriginX = centerX - (centerX - gdv_6ad42028c899boriginX) * scaleRatio; gdv_6ad42028c899boriginY = centerY - (centerY - gdv_6ad42028c899boriginY) * scaleRatio;
gdv_6ad42028c899bscale = newScale; gdv_6ad42028c899bdrawImage(); // 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); }