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const gdv_69704d167b0cecanvas = document.getElementById("gdv_69704d167b0ceimageCanvas"); const gdv_69704d167b0cectx = gdv_69704d167b0cecanvas.getContext("2d");
const gdv_69704d167b0cethumbnailContainer = document.getElementById("gdv_69704d167b0cethumbnailContainer"); const gdv_69704d167b0cethumbnailContainerWrapper = document.getElementById("gdv_69704d167b0cethumbnailContainerWrapper"); const gdv_69704d167b0cezoomInButton = document.getElementById("gdv_69704d167b0cezoomIn"); const gdv_69704d167b0cezoomOutButton = document.getElementById("gdv_69704d167b0cezoomOut"); const gdv_69704d167b0ceresetZoomButton = document.getElementById("gdv_69704d167b0ceresetZoom");
const gdv_69704d167b0cebrightnessInput = document.getElementById("gdv_69704d167b0cebrightness"); const gdv_69704d167b0cecontrastInput = document.getElementById("gdv_69704d167b0cecontrast"); const gdv_69704d167b0cefullscreenButton = document.getElementById("gdv_69704d167b0cefullscreen");
const gdv_69704d167b0cerotateRightButton = document.getElementById("gdv_69704d167b0cerotateRight"); const gdv_69704d167b0cerotateLeftButton = document.getElementById("gdv_69704d167b0cerotateLeft");
const gdv_69704d167b0ceprevSlideButton = document.getElementById("gdv_69704d167b0ceprevSlide"); const gdv_69704d167b0cenextSlideButton = document.getElementById("gdv_69704d167b0cenextSlide"); const gdv_69704d167b0ceslideNumberDisplay = document.getElementById("gdv_69704d167b0ceslideNumber"); const gdv_69704d167b0ceimageName = document.getElementById("gdv_69704d167b0ceimageName");
let gdv_69704d167b0cecurrentSlideIndex = 0;
gdv_69704d167b0cebrightnessInput.addEventListener("input", gdv_69704d167b0cedrawImage); gdv_69704d167b0cecontrastInput.addEventListener("input", gdv_69704d167b0cedrawImage);
const gdv_69704d167b0ceimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=14gKlA83yNbb6MxEXLTHIgAYi2sNMsm8o&sz=w3000","name":"EPOL et LFS_sur les conseil supe\u0301rieurs.jpg"}];
let gdv_69704d167b0cescale = 1; let gdv_69704d167b0ceoriginX = 0; let gdv_69704d167b0ceoriginY = 0; const gdv_69704d167b0ceminScale = 0.1; const gdv_69704d167b0cemaxScale = 5; let gdv_69704d167b0cecurrentImage = new Image();
let gdv_69704d167b0cerotationAngle = 0;
gdv_69704d167b0cerotateRightButton.addEventListener("click", function() { gdv_69704d167b0cerotationAngle = (gdv_69704d167b0cerotationAngle + 90) % 360; gdv_69704d167b0cedrawImage(); });
gdv_69704d167b0cerotateLeftButton.addEventListener("click", function() { gdv_69704d167b0cerotationAngle = (gdv_69704d167b0cerotationAngle - 90 + 360) % 360; gdv_69704d167b0cedrawImage(); });
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_69704d167b0cecurrentImage.src = gdv_69704d167b0ceimageUrls[0]["url"]; gdv_69704d167b0ceimageName.innerHTML = filtrerChaine(gdv_69704d167b0ceimageUrls[0]["name"], "rien"); gdv_69704d167b0cecurrentImage.onload = function() {
gdv_69704d167b0ceupdateSlideNumber(); gdv_69704d167b0ceresizeCanvas(); gdv_69704d167b0cedrawImage(); document.getElementById("gdv_69704d167b0cecontrols").style.display = "block"; };
function gdv_69704d167b0ceupdateSlideNumber() { gdv_69704d167b0ceslideNumberDisplay.textContent = `${gdv_69704d167b0cecurrentSlideIndex + 1} / ${gdv_69704d167b0ceimageUrls.length}`; }
gdv_69704d167b0ceprevSlideButton.addEventListener("click", function() { if (gdv_69704d167b0cecurrentSlideIndex > 0) { gdv_69704d167b0cecurrentSlideIndex--; gdv_69704d167b0celoadImage(gdv_69704d167b0cecurrentSlideIndex); gdv_69704d167b0ceupdateSlideNumber(); } });
gdv_69704d167b0cenextSlideButton.addEventListener("click", function() { if (gdv_69704d167b0cecurrentSlideIndex < gdv_69704d167b0ceimageUrls.length - 1) { gdv_69704d167b0cecurrentSlideIndex++; gdv_69704d167b0celoadImage(gdv_69704d167b0cecurrentSlideIndex); gdv_69704d167b0ceupdateSlideNumber(); } }); function gdv_69704d167b0ceresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69704d167b0cecanvasContainer"); gdv_69704d167b0cecanvas.width = container.clientWidth; gdv_69704d167b0cecanvas.height = container.clientHeight - 30; gdv_69704d167b0cefitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69704d167b0cedrawImage(); } window.addEventListener("load", gdv_69704d167b0ceresizeCanvas); window.addEventListener("resize", gdv_69704d167b0ceresizeCanvas); function gdv_69704d167b0cefitImageToCanvas() { const canvasAspect = gdv_69704d167b0cecanvas.width / gdv_69704d167b0cecanvas.height; const imageAspect = gdv_69704d167b0cecurrentImage.width / gdv_69704d167b0cecurrentImage.height; if (imageAspect > canvasAspect) { gdv_69704d167b0cescale = gdv_69704d167b0cecanvas.width / gdv_69704d167b0cecurrentImage.width; } else { gdv_69704d167b0cescale = gdv_69704d167b0cecanvas.height / gdv_69704d167b0cecurrentImage.height; } gdv_69704d167b0ceoriginX = gdv_69704d167b0cecanvas.width / 2; gdv_69704d167b0ceoriginY = gdv_69704d167b0cecanvas.height / 2; }
function gdv_69704d167b0cedrawImage() { gdv_69704d167b0cectx.clearRect(0, 0, gdv_69704d167b0cecanvas.width, gdv_69704d167b0cecanvas.height); gdv_69704d167b0cectx.save(); gdv_69704d167b0cectx.translate(gdv_69704d167b0ceoriginX, gdv_69704d167b0ceoriginY); gdv_69704d167b0cectx.rotate((Math.PI / 180) * gdv_69704d167b0cerotationAngle); gdv_69704d167b0cectx.scale(gdv_69704d167b0cescale, gdv_69704d167b0cescale);
// Appliquer la luminosité et le contraste gdv_69704d167b0cectx.filter = `brightness(${gdv_69704d167b0cebrightnessInput.value}) contrast(${gdv_69704d167b0cecontrastInput.value})`; gdv_69704d167b0cectx.drawImage(gdv_69704d167b0cecurrentImage, -gdv_69704d167b0cecurrentImage.width/2, -gdv_69704d167b0cecurrentImage.height/2); gdv_69704d167b0cectx.restore(); }
// Ajouter les miniatures des images gdv_69704d167b0ceimageUrls.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_69704d167b0celoadImage(index); gdv_69704d167b0cecurrentSlideIndex = index; gdv_69704d167b0ceupdateSlideNumber(); }; slide.appendChild(img); gdv_69704d167b0cethumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69704d167b0celoadImage(index) { gdv_69704d167b0cecurrentImage.src = gdv_69704d167b0ceimageUrls[index]["url"]; gdv_69704d167b0ceimageName.innerHTML = filtrerChaine(gdv_69704d167b0ceimageUrls[index]["name"], "rien"); gdv_69704d167b0cecurrentImage.onload = function() { gdv_69704d167b0cescale = 1; gdv_69704d167b0ceoriginX = 0; gdv_69704d167b0ceoriginY = 0; gdv_69704d167b0cefitImageToCanvas(); gdv_69704d167b0cedrawImage(); };
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_69704d167b0ceswiper = new Swiper(".gdv_69704d167b0ceswiper-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_69704d167b0ceswiper.on("slideChange", function () { // gdv_69704d167b0cecurrentSlideIndex = gdv_69704d167b0ceswiper.activeIndex; // gdv_69704d167b0ceupdateSlideNumber(); //});
// Plein écran gdv_69704d167b0cefullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69704d167b0cegd-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_69704d167b0cecanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69704d167b0cescale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69704d167b0ceminScale, Math.min(gdv_69704d167b0cemaxScale, newScale)); const scaleRatio = newScale / gdv_69704d167b0cescale; gdv_69704d167b0ceoriginX = mouseX - (mouseX - gdv_69704d167b0ceoriginX) * scaleRatio; gdv_69704d167b0ceoriginY = mouseY - (mouseY - gdv_69704d167b0ceoriginY) * scaleRatio; gdv_69704d167b0cescale = newScale; gdv_69704d167b0cedrawImage(); }); // Gestion du déplacement (pan) let gdv_69704d167b0ceisDragging = false; let gdv_69704d167b0cestartX, gdv_69704d167b0cestartY; gdv_69704d167b0cecanvas.addEventListener("mousedown", function(event) { gdv_69704d167b0ceisDragging = true; gdv_69704d167b0cestartX = event.offsetX - gdv_69704d167b0ceoriginX; gdv_69704d167b0cestartY = event.offsetY - gdv_69704d167b0ceoriginY; gdv_69704d167b0cecanvas.style.cursor = "grabbing"; }); gdv_69704d167b0cecanvas.addEventListener("mousemove", function(event) { if (gdv_69704d167b0ceisDragging) { gdv_69704d167b0ceoriginX = event.offsetX - gdv_69704d167b0cestartX; gdv_69704d167b0ceoriginY = event.offsetY - gdv_69704d167b0cestartY; gdv_69704d167b0cedrawImage(); } }); // Gestion des événements tactiles gdv_69704d167b0cecanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69704d167b0ceisDragging = true; const touch = event.touches[0]; gdv_69704d167b0cestartX = touch.pageX - gdv_69704d167b0ceoriginX; gdv_69704d167b0cestartY = touch.pageY - gdv_69704d167b0ceoriginY; } }); gdv_69704d167b0cecanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69704d167b0ceoriginX = touch.pageX - gdv_69704d167b0cestartX; gdv_69704d167b0ceoriginY = touch.pageY - gdv_69704d167b0cestartY; gdv_69704d167b0cedrawImage(); }); gdv_69704d167b0cecanvas.addEventListener("touchend", function() { gdv_69704d167b0ceisDragging = false; }); gdv_69704d167b0cecanvas.addEventListener("mouseup", function() { gdv_69704d167b0ceisDragging = false; gdv_69704d167b0cecanvas.style.cursor = "grab"; }); gdv_69704d167b0cecanvas.addEventListener("mouseleave", function() { gdv_69704d167b0ceisDragging = false; gdv_69704d167b0cecanvas.style.cursor = "grab"; }); gdv_69704d167b0cezoomInButton.addEventListener("click", function() { let newScale = gdv_69704d167b0cescale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69704d167b0cescale = Math.max(gdv_69704d167b0ceminScale, Math.min(gdv_69704d167b0cemaxScale, newScale)); gdv_69704d167b0cedrawImage(); }); gdv_69704d167b0cezoomOutButton.addEventListener("click", function() { let newScale = gdv_69704d167b0cescale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69704d167b0cescale = Math.max(gdv_69704d167b0ceminScale, Math.min(gdv_69704d167b0cemaxScale, newScale)); gdv_69704d167b0cedrawImage(); }); gdv_69704d167b0ceresetZoomButton.addEventListener("click", function() { gdv_69704d167b0cerotationAngle = 0; gdv_69704d167b0cefitImageToCanvas(); gdv_69704d167b0cedrawImage(); }); function gdv_69704d167b0cegetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69704d167b0cedownloadImage").addEventListener("click", function() { let url = gdv_69704d167b0cecurrentImage.src; const imageId = gdv_69704d167b0cegetImageIdFromUrl(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_69704d167b0ceprintImageFromApi(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_69704d167b0ceprintButton = document.getElementById("gdv_69704d167b0ceprintCanvas");
gdv_69704d167b0ceprintButton.addEventListener("click", function() { let url = gdv_69704d167b0cecurrentImage.src; const imageId = gdv_69704d167b0cegetImageIdFromUrl(url); gdv_69704d167b0ceprintImageFromApi(imageId); });
let gdv_69704d167b0ceinitialDistance = 0; let gdv_69704d167b0ceinitialScale = 1;
gdv_69704d167b0cecanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69704d167b0ceinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69704d167b0ceinitialScale = gdv_69704d167b0cescale; } });
gdv_69704d167b0cecanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69704d167b0ceinitialDistance; let newScale = gdv_69704d167b0ceinitialScale * scaleChange;
newScale = Math.max(gdv_69704d167b0ceminScale, Math.min(gdv_69704d167b0cemaxScale, 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_69704d167b0cescale; gdv_69704d167b0ceoriginX = centerX - (centerX - gdv_69704d167b0ceoriginX) * scaleRatio; gdv_69704d167b0ceoriginY = centerY - (centerY - gdv_69704d167b0ceoriginY) * scaleRatio;
gdv_69704d167b0cescale = newScale; gdv_69704d167b0cedrawImage(); // 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); }