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const gdv_69a8cb0b6c25fcanvas = document.getElementById("gdv_69a8cb0b6c25fimageCanvas"); const gdv_69a8cb0b6c25fctx = gdv_69a8cb0b6c25fcanvas.getContext("2d");
const gdv_69a8cb0b6c25fthumbnailContainer = document.getElementById("gdv_69a8cb0b6c25fthumbnailContainer"); const gdv_69a8cb0b6c25fthumbnailContainerWrapper = document.getElementById("gdv_69a8cb0b6c25fthumbnailContainerWrapper"); const gdv_69a8cb0b6c25fzoomInButton = document.getElementById("gdv_69a8cb0b6c25fzoomIn"); const gdv_69a8cb0b6c25fzoomOutButton = document.getElementById("gdv_69a8cb0b6c25fzoomOut"); const gdv_69a8cb0b6c25fresetZoomButton = document.getElementById("gdv_69a8cb0b6c25fresetZoom");
const gdv_69a8cb0b6c25fbrightnessInput = document.getElementById("gdv_69a8cb0b6c25fbrightness"); const gdv_69a8cb0b6c25fcontrastInput = document.getElementById("gdv_69a8cb0b6c25fcontrast"); const gdv_69a8cb0b6c25ffullscreenButton = document.getElementById("gdv_69a8cb0b6c25ffullscreen");
const gdv_69a8cb0b6c25frotateRightButton = document.getElementById("gdv_69a8cb0b6c25frotateRight"); const gdv_69a8cb0b6c25frotateLeftButton = document.getElementById("gdv_69a8cb0b6c25frotateLeft");
const gdv_69a8cb0b6c25fprevSlideButton = document.getElementById("gdv_69a8cb0b6c25fprevSlide"); const gdv_69a8cb0b6c25fnextSlideButton = document.getElementById("gdv_69a8cb0b6c25fnextSlide"); const gdv_69a8cb0b6c25fslideNumberDisplay = document.getElementById("gdv_69a8cb0b6c25fslideNumber"); const gdv_69a8cb0b6c25fimageName = document.getElementById("gdv_69a8cb0b6c25fimageName");
let gdv_69a8cb0b6c25fcurrentSlideIndex = 0;
gdv_69a8cb0b6c25fbrightnessInput.addEventListener("input", gdv_69a8cb0b6c25fdrawImage); gdv_69a8cb0b6c25fcontrastInput.addEventListener("input", gdv_69a8cb0b6c25fdrawImage);
const gdv_69a8cb0b6c25fimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=14gKlA83yNbb6MxEXLTHIgAYi2sNMsm8o&sz=w3000","name":"EPOL et LFS_sur les conseil supe\u0301rieurs.jpg"}];
let gdv_69a8cb0b6c25fscale = 1; let gdv_69a8cb0b6c25foriginX = 0; let gdv_69a8cb0b6c25foriginY = 0; const gdv_69a8cb0b6c25fminScale = 0.1; const gdv_69a8cb0b6c25fmaxScale = 5; let gdv_69a8cb0b6c25fcurrentImage = new Image();
let gdv_69a8cb0b6c25frotationAngle = 0;
gdv_69a8cb0b6c25frotateRightButton.addEventListener("click", function() { gdv_69a8cb0b6c25frotationAngle = (gdv_69a8cb0b6c25frotationAngle + 90) % 360; gdv_69a8cb0b6c25fdrawImage(); });
gdv_69a8cb0b6c25frotateLeftButton.addEventListener("click", function() { gdv_69a8cb0b6c25frotationAngle = (gdv_69a8cb0b6c25frotationAngle - 90 + 360) % 360; gdv_69a8cb0b6c25fdrawImage(); });
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_69a8cb0b6c25fcurrentImage.src = gdv_69a8cb0b6c25fimageUrls[0]["url"]; gdv_69a8cb0b6c25fimageName.innerHTML = filtrerChaine(gdv_69a8cb0b6c25fimageUrls[0]["name"], "rien"); gdv_69a8cb0b6c25fcurrentImage.onload = function() {
gdv_69a8cb0b6c25fupdateSlideNumber(); gdv_69a8cb0b6c25fresizeCanvas(); gdv_69a8cb0b6c25fdrawImage(); document.getElementById("gdv_69a8cb0b6c25fcontrols").style.display = "block"; };
function gdv_69a8cb0b6c25fupdateSlideNumber() { gdv_69a8cb0b6c25fslideNumberDisplay.textContent = `${gdv_69a8cb0b6c25fcurrentSlideIndex + 1} / ${gdv_69a8cb0b6c25fimageUrls.length}`; }
gdv_69a8cb0b6c25fprevSlideButton.addEventListener("click", function() { if (gdv_69a8cb0b6c25fcurrentSlideIndex > 0) { gdv_69a8cb0b6c25fcurrentSlideIndex--; gdv_69a8cb0b6c25floadImage(gdv_69a8cb0b6c25fcurrentSlideIndex); gdv_69a8cb0b6c25fupdateSlideNumber(); } });
gdv_69a8cb0b6c25fnextSlideButton.addEventListener("click", function() { if (gdv_69a8cb0b6c25fcurrentSlideIndex < gdv_69a8cb0b6c25fimageUrls.length - 1) { gdv_69a8cb0b6c25fcurrentSlideIndex++; gdv_69a8cb0b6c25floadImage(gdv_69a8cb0b6c25fcurrentSlideIndex); gdv_69a8cb0b6c25fupdateSlideNumber(); } }); function gdv_69a8cb0b6c25fresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69a8cb0b6c25fcanvasContainer"); gdv_69a8cb0b6c25fcanvas.width = container.clientWidth; gdv_69a8cb0b6c25fcanvas.height = container.clientHeight - 30; gdv_69a8cb0b6c25ffitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69a8cb0b6c25fdrawImage(); } window.addEventListener("load", gdv_69a8cb0b6c25fresizeCanvas); window.addEventListener("resize", gdv_69a8cb0b6c25fresizeCanvas); function gdv_69a8cb0b6c25ffitImageToCanvas() { const canvasAspect = gdv_69a8cb0b6c25fcanvas.width / gdv_69a8cb0b6c25fcanvas.height; const imageAspect = gdv_69a8cb0b6c25fcurrentImage.width / gdv_69a8cb0b6c25fcurrentImage.height; if (imageAspect > canvasAspect) { gdv_69a8cb0b6c25fscale = gdv_69a8cb0b6c25fcanvas.width / gdv_69a8cb0b6c25fcurrentImage.width; } else { gdv_69a8cb0b6c25fscale = gdv_69a8cb0b6c25fcanvas.height / gdv_69a8cb0b6c25fcurrentImage.height; } gdv_69a8cb0b6c25foriginX = gdv_69a8cb0b6c25fcanvas.width / 2; gdv_69a8cb0b6c25foriginY = gdv_69a8cb0b6c25fcanvas.height / 2; }
function gdv_69a8cb0b6c25fdrawImage() { gdv_69a8cb0b6c25fctx.clearRect(0, 0, gdv_69a8cb0b6c25fcanvas.width, gdv_69a8cb0b6c25fcanvas.height); gdv_69a8cb0b6c25fctx.save(); gdv_69a8cb0b6c25fctx.translate(gdv_69a8cb0b6c25foriginX, gdv_69a8cb0b6c25foriginY); gdv_69a8cb0b6c25fctx.rotate((Math.PI / 180) * gdv_69a8cb0b6c25frotationAngle); gdv_69a8cb0b6c25fctx.scale(gdv_69a8cb0b6c25fscale, gdv_69a8cb0b6c25fscale);
// Appliquer la luminosité et le contraste gdv_69a8cb0b6c25fctx.filter = `brightness(${gdv_69a8cb0b6c25fbrightnessInput.value}) contrast(${gdv_69a8cb0b6c25fcontrastInput.value})`; gdv_69a8cb0b6c25fctx.drawImage(gdv_69a8cb0b6c25fcurrentImage, -gdv_69a8cb0b6c25fcurrentImage.width/2, -gdv_69a8cb0b6c25fcurrentImage.height/2); gdv_69a8cb0b6c25fctx.restore(); }
// Ajouter les miniatures des images gdv_69a8cb0b6c25fimageUrls.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_69a8cb0b6c25floadImage(index); gdv_69a8cb0b6c25fcurrentSlideIndex = index; gdv_69a8cb0b6c25fupdateSlideNumber(); }; slide.appendChild(img); gdv_69a8cb0b6c25fthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69a8cb0b6c25floadImage(index) { gdv_69a8cb0b6c25fcurrentImage.src = gdv_69a8cb0b6c25fimageUrls[index]["url"]; gdv_69a8cb0b6c25fimageName.innerHTML = filtrerChaine(gdv_69a8cb0b6c25fimageUrls[index]["name"], "rien"); gdv_69a8cb0b6c25fcurrentImage.onload = function() { gdv_69a8cb0b6c25fscale = 1; gdv_69a8cb0b6c25foriginX = 0; gdv_69a8cb0b6c25foriginY = 0; gdv_69a8cb0b6c25ffitImageToCanvas(); gdv_69a8cb0b6c25fdrawImage(); };
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_69a8cb0b6c25fswiper = new Swiper(".gdv_69a8cb0b6c25fswiper-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_69a8cb0b6c25fswiper.on("slideChange", function () { // gdv_69a8cb0b6c25fcurrentSlideIndex = gdv_69a8cb0b6c25fswiper.activeIndex; // gdv_69a8cb0b6c25fupdateSlideNumber(); //});
// Plein écran gdv_69a8cb0b6c25ffullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69a8cb0b6c25fgd-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_69a8cb0b6c25fcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69a8cb0b6c25fscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69a8cb0b6c25fminScale, Math.min(gdv_69a8cb0b6c25fmaxScale, newScale)); const scaleRatio = newScale / gdv_69a8cb0b6c25fscale; gdv_69a8cb0b6c25foriginX = mouseX - (mouseX - gdv_69a8cb0b6c25foriginX) * scaleRatio; gdv_69a8cb0b6c25foriginY = mouseY - (mouseY - gdv_69a8cb0b6c25foriginY) * scaleRatio; gdv_69a8cb0b6c25fscale = newScale; gdv_69a8cb0b6c25fdrawImage(); }); // Gestion du déplacement (pan) let gdv_69a8cb0b6c25fisDragging = false; let gdv_69a8cb0b6c25fstartX, gdv_69a8cb0b6c25fstartY; gdv_69a8cb0b6c25fcanvas.addEventListener("mousedown", function(event) { gdv_69a8cb0b6c25fisDragging = true; gdv_69a8cb0b6c25fstartX = event.offsetX - gdv_69a8cb0b6c25foriginX; gdv_69a8cb0b6c25fstartY = event.offsetY - gdv_69a8cb0b6c25foriginY; gdv_69a8cb0b6c25fcanvas.style.cursor = "grabbing"; }); gdv_69a8cb0b6c25fcanvas.addEventListener("mousemove", function(event) { if (gdv_69a8cb0b6c25fisDragging) { gdv_69a8cb0b6c25foriginX = event.offsetX - gdv_69a8cb0b6c25fstartX; gdv_69a8cb0b6c25foriginY = event.offsetY - gdv_69a8cb0b6c25fstartY; gdv_69a8cb0b6c25fdrawImage(); } }); // Gestion des événements tactiles gdv_69a8cb0b6c25fcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69a8cb0b6c25fisDragging = true; const touch = event.touches[0]; gdv_69a8cb0b6c25fstartX = touch.pageX - gdv_69a8cb0b6c25foriginX; gdv_69a8cb0b6c25fstartY = touch.pageY - gdv_69a8cb0b6c25foriginY; } }); gdv_69a8cb0b6c25fcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69a8cb0b6c25foriginX = touch.pageX - gdv_69a8cb0b6c25fstartX; gdv_69a8cb0b6c25foriginY = touch.pageY - gdv_69a8cb0b6c25fstartY; gdv_69a8cb0b6c25fdrawImage(); }); gdv_69a8cb0b6c25fcanvas.addEventListener("touchend", function() { gdv_69a8cb0b6c25fisDragging = false; }); gdv_69a8cb0b6c25fcanvas.addEventListener("mouseup", function() { gdv_69a8cb0b6c25fisDragging = false; gdv_69a8cb0b6c25fcanvas.style.cursor = "grab"; }); gdv_69a8cb0b6c25fcanvas.addEventListener("mouseleave", function() { gdv_69a8cb0b6c25fisDragging = false; gdv_69a8cb0b6c25fcanvas.style.cursor = "grab"; }); gdv_69a8cb0b6c25fzoomInButton.addEventListener("click", function() { let newScale = gdv_69a8cb0b6c25fscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69a8cb0b6c25fscale = Math.max(gdv_69a8cb0b6c25fminScale, Math.min(gdv_69a8cb0b6c25fmaxScale, newScale)); gdv_69a8cb0b6c25fdrawImage(); }); gdv_69a8cb0b6c25fzoomOutButton.addEventListener("click", function() { let newScale = gdv_69a8cb0b6c25fscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69a8cb0b6c25fscale = Math.max(gdv_69a8cb0b6c25fminScale, Math.min(gdv_69a8cb0b6c25fmaxScale, newScale)); gdv_69a8cb0b6c25fdrawImage(); }); gdv_69a8cb0b6c25fresetZoomButton.addEventListener("click", function() { gdv_69a8cb0b6c25frotationAngle = 0; gdv_69a8cb0b6c25ffitImageToCanvas(); gdv_69a8cb0b6c25fdrawImage(); }); function gdv_69a8cb0b6c25fgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69a8cb0b6c25fdownloadImage").addEventListener("click", function() { let url = gdv_69a8cb0b6c25fcurrentImage.src; const imageId = gdv_69a8cb0b6c25fgetImageIdFromUrl(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_69a8cb0b6c25fprintImageFromApi(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_69a8cb0b6c25fprintButton = document.getElementById("gdv_69a8cb0b6c25fprintCanvas");
gdv_69a8cb0b6c25fprintButton.addEventListener("click", function() { let url = gdv_69a8cb0b6c25fcurrentImage.src; const imageId = gdv_69a8cb0b6c25fgetImageIdFromUrl(url); gdv_69a8cb0b6c25fprintImageFromApi(imageId); });
let gdv_69a8cb0b6c25finitialDistance = 0; let gdv_69a8cb0b6c25finitialScale = 1;
gdv_69a8cb0b6c25fcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69a8cb0b6c25finitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69a8cb0b6c25finitialScale = gdv_69a8cb0b6c25fscale; } });
gdv_69a8cb0b6c25fcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69a8cb0b6c25finitialDistance; let newScale = gdv_69a8cb0b6c25finitialScale * scaleChange;
newScale = Math.max(gdv_69a8cb0b6c25fminScale, Math.min(gdv_69a8cb0b6c25fmaxScale, 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_69a8cb0b6c25fscale; gdv_69a8cb0b6c25foriginX = centerX - (centerX - gdv_69a8cb0b6c25foriginX) * scaleRatio; gdv_69a8cb0b6c25foriginY = centerY - (centerY - gdv_69a8cb0b6c25foriginY) * scaleRatio;
gdv_69a8cb0b6c25fscale = newScale; gdv_69a8cb0b6c25fdrawImage(); // 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); }