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const gdv_69ab670fa1ceecanvas = document.getElementById("gdv_69ab670fa1ceeimageCanvas"); const gdv_69ab670fa1ceectx = gdv_69ab670fa1ceecanvas.getContext("2d");
const gdv_69ab670fa1ceethumbnailContainer = document.getElementById("gdv_69ab670fa1ceethumbnailContainer"); const gdv_69ab670fa1ceethumbnailContainerWrapper = document.getElementById("gdv_69ab670fa1ceethumbnailContainerWrapper"); const gdv_69ab670fa1ceezoomInButton = document.getElementById("gdv_69ab670fa1ceezoomIn"); const gdv_69ab670fa1ceezoomOutButton = document.getElementById("gdv_69ab670fa1ceezoomOut"); const gdv_69ab670fa1ceeresetZoomButton = document.getElementById("gdv_69ab670fa1ceeresetZoom");
const gdv_69ab670fa1ceebrightnessInput = document.getElementById("gdv_69ab670fa1ceebrightness"); const gdv_69ab670fa1ceecontrastInput = document.getElementById("gdv_69ab670fa1ceecontrast"); const gdv_69ab670fa1ceefullscreenButton = document.getElementById("gdv_69ab670fa1ceefullscreen");
const gdv_69ab670fa1ceerotateRightButton = document.getElementById("gdv_69ab670fa1ceerotateRight"); const gdv_69ab670fa1ceerotateLeftButton = document.getElementById("gdv_69ab670fa1ceerotateLeft");
const gdv_69ab670fa1ceeprevSlideButton = document.getElementById("gdv_69ab670fa1ceeprevSlide"); const gdv_69ab670fa1ceenextSlideButton = document.getElementById("gdv_69ab670fa1ceenextSlide"); const gdv_69ab670fa1ceeslideNumberDisplay = document.getElementById("gdv_69ab670fa1ceeslideNumber"); const gdv_69ab670fa1ceeimageName = document.getElementById("gdv_69ab670fa1ceeimageName");
let gdv_69ab670fa1ceecurrentSlideIndex = 0;
gdv_69ab670fa1ceebrightnessInput.addEventListener("input", gdv_69ab670fa1ceedrawImage); gdv_69ab670fa1ceecontrastInput.addEventListener("input", gdv_69ab670fa1ceedrawImage);
const gdv_69ab670fa1ceeimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1fHqdAXMWLC5TFWxmVdPPgQcze8PJcxo9&sz=w3000","name":"EPOL_LFS_interdiction de s'approprier les me\u0301taux des ruines du Cap.jpg"}];
let gdv_69ab670fa1ceescale = 1; let gdv_69ab670fa1ceeoriginX = 0; let gdv_69ab670fa1ceeoriginY = 0; const gdv_69ab670fa1ceeminScale = 0.1; const gdv_69ab670fa1ceemaxScale = 5; let gdv_69ab670fa1ceecurrentImage = new Image();
let gdv_69ab670fa1ceerotationAngle = 0;
gdv_69ab670fa1ceerotateRightButton.addEventListener("click", function() { gdv_69ab670fa1ceerotationAngle = (gdv_69ab670fa1ceerotationAngle + 90) % 360; gdv_69ab670fa1ceedrawImage(); });
gdv_69ab670fa1ceerotateLeftButton.addEventListener("click", function() { gdv_69ab670fa1ceerotationAngle = (gdv_69ab670fa1ceerotationAngle - 90 + 360) % 360; gdv_69ab670fa1ceedrawImage(); });
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_69ab670fa1ceecurrentImage.src = gdv_69ab670fa1ceeimageUrls[0]["url"]; gdv_69ab670fa1ceeimageName.innerHTML = filtrerChaine(gdv_69ab670fa1ceeimageUrls[0]["name"], "rien"); gdv_69ab670fa1ceecurrentImage.onload = function() {
gdv_69ab670fa1ceeupdateSlideNumber(); gdv_69ab670fa1ceeresizeCanvas(); gdv_69ab670fa1ceedrawImage(); document.getElementById("gdv_69ab670fa1ceecontrols").style.display = "block"; };
function gdv_69ab670fa1ceeupdateSlideNumber() { gdv_69ab670fa1ceeslideNumberDisplay.textContent = `${gdv_69ab670fa1ceecurrentSlideIndex + 1} / ${gdv_69ab670fa1ceeimageUrls.length}`; }
gdv_69ab670fa1ceeprevSlideButton.addEventListener("click", function() { if (gdv_69ab670fa1ceecurrentSlideIndex > 0) { gdv_69ab670fa1ceecurrentSlideIndex--; gdv_69ab670fa1ceeloadImage(gdv_69ab670fa1ceecurrentSlideIndex); gdv_69ab670fa1ceeupdateSlideNumber(); } });
gdv_69ab670fa1ceenextSlideButton.addEventListener("click", function() { if (gdv_69ab670fa1ceecurrentSlideIndex < gdv_69ab670fa1ceeimageUrls.length - 1) { gdv_69ab670fa1ceecurrentSlideIndex++; gdv_69ab670fa1ceeloadImage(gdv_69ab670fa1ceecurrentSlideIndex); gdv_69ab670fa1ceeupdateSlideNumber(); } }); function gdv_69ab670fa1ceeresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69ab670fa1ceecanvasContainer"); gdv_69ab670fa1ceecanvas.width = container.clientWidth; gdv_69ab670fa1ceecanvas.height = container.clientHeight - 30; gdv_69ab670fa1ceefitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69ab670fa1ceedrawImage(); } window.addEventListener("load", gdv_69ab670fa1ceeresizeCanvas); window.addEventListener("resize", gdv_69ab670fa1ceeresizeCanvas); function gdv_69ab670fa1ceefitImageToCanvas() { const canvasAspect = gdv_69ab670fa1ceecanvas.width / gdv_69ab670fa1ceecanvas.height; const imageAspect = gdv_69ab670fa1ceecurrentImage.width / gdv_69ab670fa1ceecurrentImage.height; if (imageAspect > canvasAspect) { gdv_69ab670fa1ceescale = gdv_69ab670fa1ceecanvas.width / gdv_69ab670fa1ceecurrentImage.width; } else { gdv_69ab670fa1ceescale = gdv_69ab670fa1ceecanvas.height / gdv_69ab670fa1ceecurrentImage.height; } gdv_69ab670fa1ceeoriginX = gdv_69ab670fa1ceecanvas.width / 2; gdv_69ab670fa1ceeoriginY = gdv_69ab670fa1ceecanvas.height / 2; }
function gdv_69ab670fa1ceedrawImage() { gdv_69ab670fa1ceectx.clearRect(0, 0, gdv_69ab670fa1ceecanvas.width, gdv_69ab670fa1ceecanvas.height); gdv_69ab670fa1ceectx.save(); gdv_69ab670fa1ceectx.translate(gdv_69ab670fa1ceeoriginX, gdv_69ab670fa1ceeoriginY); gdv_69ab670fa1ceectx.rotate((Math.PI / 180) * gdv_69ab670fa1ceerotationAngle); gdv_69ab670fa1ceectx.scale(gdv_69ab670fa1ceescale, gdv_69ab670fa1ceescale);
// Appliquer la luminosité et le contraste gdv_69ab670fa1ceectx.filter = `brightness(${gdv_69ab670fa1ceebrightnessInput.value}) contrast(${gdv_69ab670fa1ceecontrastInput.value})`; gdv_69ab670fa1ceectx.drawImage(gdv_69ab670fa1ceecurrentImage, -gdv_69ab670fa1ceecurrentImage.width/2, -gdv_69ab670fa1ceecurrentImage.height/2); gdv_69ab670fa1ceectx.restore(); }
// Ajouter les miniatures des images gdv_69ab670fa1ceeimageUrls.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_69ab670fa1ceeloadImage(index); gdv_69ab670fa1ceecurrentSlideIndex = index; gdv_69ab670fa1ceeupdateSlideNumber(); }; slide.appendChild(img); gdv_69ab670fa1ceethumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69ab670fa1ceeloadImage(index) { gdv_69ab670fa1ceecurrentImage.src = gdv_69ab670fa1ceeimageUrls[index]["url"]; gdv_69ab670fa1ceeimageName.innerHTML = filtrerChaine(gdv_69ab670fa1ceeimageUrls[index]["name"], "rien"); gdv_69ab670fa1ceecurrentImage.onload = function() { gdv_69ab670fa1ceescale = 1; gdv_69ab670fa1ceeoriginX = 0; gdv_69ab670fa1ceeoriginY = 0; gdv_69ab670fa1ceefitImageToCanvas(); gdv_69ab670fa1ceedrawImage(); };
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_69ab670fa1ceeswiper = new Swiper(".gdv_69ab670fa1ceeswiper-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_69ab670fa1ceeswiper.on("slideChange", function () { // gdv_69ab670fa1ceecurrentSlideIndex = gdv_69ab670fa1ceeswiper.activeIndex; // gdv_69ab670fa1ceeupdateSlideNumber(); //});
// Plein écran gdv_69ab670fa1ceefullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69ab670fa1ceegd-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_69ab670fa1ceecanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69ab670fa1ceescale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69ab670fa1ceeminScale, Math.min(gdv_69ab670fa1ceemaxScale, newScale)); const scaleRatio = newScale / gdv_69ab670fa1ceescale; gdv_69ab670fa1ceeoriginX = mouseX - (mouseX - gdv_69ab670fa1ceeoriginX) * scaleRatio; gdv_69ab670fa1ceeoriginY = mouseY - (mouseY - gdv_69ab670fa1ceeoriginY) * scaleRatio; gdv_69ab670fa1ceescale = newScale; gdv_69ab670fa1ceedrawImage(); }); // Gestion du déplacement (pan) let gdv_69ab670fa1ceeisDragging = false; let gdv_69ab670fa1ceestartX, gdv_69ab670fa1ceestartY; gdv_69ab670fa1ceecanvas.addEventListener("mousedown", function(event) { gdv_69ab670fa1ceeisDragging = true; gdv_69ab670fa1ceestartX = event.offsetX - gdv_69ab670fa1ceeoriginX; gdv_69ab670fa1ceestartY = event.offsetY - gdv_69ab670fa1ceeoriginY; gdv_69ab670fa1ceecanvas.style.cursor = "grabbing"; }); gdv_69ab670fa1ceecanvas.addEventListener("mousemove", function(event) { if (gdv_69ab670fa1ceeisDragging) { gdv_69ab670fa1ceeoriginX = event.offsetX - gdv_69ab670fa1ceestartX; gdv_69ab670fa1ceeoriginY = event.offsetY - gdv_69ab670fa1ceestartY; gdv_69ab670fa1ceedrawImage(); } }); // Gestion des événements tactiles gdv_69ab670fa1ceecanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69ab670fa1ceeisDragging = true; const touch = event.touches[0]; gdv_69ab670fa1ceestartX = touch.pageX - gdv_69ab670fa1ceeoriginX; gdv_69ab670fa1ceestartY = touch.pageY - gdv_69ab670fa1ceeoriginY; } }); gdv_69ab670fa1ceecanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69ab670fa1ceeoriginX = touch.pageX - gdv_69ab670fa1ceestartX; gdv_69ab670fa1ceeoriginY = touch.pageY - gdv_69ab670fa1ceestartY; gdv_69ab670fa1ceedrawImage(); }); gdv_69ab670fa1ceecanvas.addEventListener("touchend", function() { gdv_69ab670fa1ceeisDragging = false; }); gdv_69ab670fa1ceecanvas.addEventListener("mouseup", function() { gdv_69ab670fa1ceeisDragging = false; gdv_69ab670fa1ceecanvas.style.cursor = "grab"; }); gdv_69ab670fa1ceecanvas.addEventListener("mouseleave", function() { gdv_69ab670fa1ceeisDragging = false; gdv_69ab670fa1ceecanvas.style.cursor = "grab"; }); gdv_69ab670fa1ceezoomInButton.addEventListener("click", function() { let newScale = gdv_69ab670fa1ceescale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69ab670fa1ceescale = Math.max(gdv_69ab670fa1ceeminScale, Math.min(gdv_69ab670fa1ceemaxScale, newScale)); gdv_69ab670fa1ceedrawImage(); }); gdv_69ab670fa1ceezoomOutButton.addEventListener("click", function() { let newScale = gdv_69ab670fa1ceescale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69ab670fa1ceescale = Math.max(gdv_69ab670fa1ceeminScale, Math.min(gdv_69ab670fa1ceemaxScale, newScale)); gdv_69ab670fa1ceedrawImage(); }); gdv_69ab670fa1ceeresetZoomButton.addEventListener("click", function() { gdv_69ab670fa1ceerotationAngle = 0; gdv_69ab670fa1ceefitImageToCanvas(); gdv_69ab670fa1ceedrawImage(); }); function gdv_69ab670fa1ceegetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69ab670fa1ceedownloadImage").addEventListener("click", function() { let url = gdv_69ab670fa1ceecurrentImage.src; const imageId = gdv_69ab670fa1ceegetImageIdFromUrl(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_69ab670fa1ceeprintImageFromApi(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_69ab670fa1ceeprintButton = document.getElementById("gdv_69ab670fa1ceeprintCanvas");
gdv_69ab670fa1ceeprintButton.addEventListener("click", function() { let url = gdv_69ab670fa1ceecurrentImage.src; const imageId = gdv_69ab670fa1ceegetImageIdFromUrl(url); gdv_69ab670fa1ceeprintImageFromApi(imageId); });
let gdv_69ab670fa1ceeinitialDistance = 0; let gdv_69ab670fa1ceeinitialScale = 1;
gdv_69ab670fa1ceecanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69ab670fa1ceeinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69ab670fa1ceeinitialScale = gdv_69ab670fa1ceescale; } });
gdv_69ab670fa1ceecanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69ab670fa1ceeinitialDistance; let newScale = gdv_69ab670fa1ceeinitialScale * scaleChange;
newScale = Math.max(gdv_69ab670fa1ceeminScale, Math.min(gdv_69ab670fa1ceemaxScale, 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_69ab670fa1ceescale; gdv_69ab670fa1ceeoriginX = centerX - (centerX - gdv_69ab670fa1ceeoriginX) * scaleRatio; gdv_69ab670fa1ceeoriginY = centerY - (centerY - gdv_69ab670fa1ceeoriginY) * scaleRatio;
gdv_69ab670fa1ceescale = newScale; gdv_69ab670fa1ceedrawImage(); // 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); }