1 / X
const gdv_69a72cf6ee95ecanvas = document.getElementById("gdv_69a72cf6ee95eimageCanvas"); const gdv_69a72cf6ee95ectx = gdv_69a72cf6ee95ecanvas.getContext("2d");
const gdv_69a72cf6ee95ethumbnailContainer = document.getElementById("gdv_69a72cf6ee95ethumbnailContainer"); const gdv_69a72cf6ee95ethumbnailContainerWrapper = document.getElementById("gdv_69a72cf6ee95ethumbnailContainerWrapper"); const gdv_69a72cf6ee95ezoomInButton = document.getElementById("gdv_69a72cf6ee95ezoomIn"); const gdv_69a72cf6ee95ezoomOutButton = document.getElementById("gdv_69a72cf6ee95ezoomOut"); const gdv_69a72cf6ee95eresetZoomButton = document.getElementById("gdv_69a72cf6ee95eresetZoom");
const gdv_69a72cf6ee95ebrightnessInput = document.getElementById("gdv_69a72cf6ee95ebrightness"); const gdv_69a72cf6ee95econtrastInput = document.getElementById("gdv_69a72cf6ee95econtrast"); const gdv_69a72cf6ee95efullscreenButton = document.getElementById("gdv_69a72cf6ee95efullscreen");
const gdv_69a72cf6ee95erotateRightButton = document.getElementById("gdv_69a72cf6ee95erotateRight"); const gdv_69a72cf6ee95erotateLeftButton = document.getElementById("gdv_69a72cf6ee95erotateLeft");
const gdv_69a72cf6ee95eprevSlideButton = document.getElementById("gdv_69a72cf6ee95eprevSlide"); const gdv_69a72cf6ee95enextSlideButton = document.getElementById("gdv_69a72cf6ee95enextSlide"); const gdv_69a72cf6ee95eslideNumberDisplay = document.getElementById("gdv_69a72cf6ee95eslideNumber"); const gdv_69a72cf6ee95eimageName = document.getElementById("gdv_69a72cf6ee95eimageName");
let gdv_69a72cf6ee95ecurrentSlideIndex = 0;
gdv_69a72cf6ee95ebrightnessInput.addEventListener("input", gdv_69a72cf6ee95edrawImage); gdv_69a72cf6ee95econtrastInput.addEventListener("input", gdv_69a72cf6ee95edrawImage);
const gdv_69a72cf6ee95eimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=16cDja4AIJEqbWxSVGfPCqHZc1EczJBGw&sz=w3000","name":"LFS_interdiction des rassemblements_nov 1792.jpg"}];
let gdv_69a72cf6ee95escale = 1; let gdv_69a72cf6ee95eoriginX = 0; let gdv_69a72cf6ee95eoriginY = 0; const gdv_69a72cf6ee95eminScale = 0.1; const gdv_69a72cf6ee95emaxScale = 5; let gdv_69a72cf6ee95ecurrentImage = new Image();
let gdv_69a72cf6ee95erotationAngle = 0;
gdv_69a72cf6ee95erotateRightButton.addEventListener("click", function() { gdv_69a72cf6ee95erotationAngle = (gdv_69a72cf6ee95erotationAngle + 90) % 360; gdv_69a72cf6ee95edrawImage(); });
gdv_69a72cf6ee95erotateLeftButton.addEventListener("click", function() { gdv_69a72cf6ee95erotationAngle = (gdv_69a72cf6ee95erotationAngle - 90 + 360) % 360; gdv_69a72cf6ee95edrawImage(); });
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_69a72cf6ee95ecurrentImage.src = gdv_69a72cf6ee95eimageUrls[0]["url"]; gdv_69a72cf6ee95eimageName.innerHTML = filtrerChaine(gdv_69a72cf6ee95eimageUrls[0]["name"], "rien"); gdv_69a72cf6ee95ecurrentImage.onload = function() {
gdv_69a72cf6ee95eupdateSlideNumber(); gdv_69a72cf6ee95eresizeCanvas(); gdv_69a72cf6ee95edrawImage(); document.getElementById("gdv_69a72cf6ee95econtrols").style.display = "block"; };
function gdv_69a72cf6ee95eupdateSlideNumber() { gdv_69a72cf6ee95eslideNumberDisplay.textContent = `${gdv_69a72cf6ee95ecurrentSlideIndex + 1} / ${gdv_69a72cf6ee95eimageUrls.length}`; }
gdv_69a72cf6ee95eprevSlideButton.addEventListener("click", function() { if (gdv_69a72cf6ee95ecurrentSlideIndex > 0) { gdv_69a72cf6ee95ecurrentSlideIndex--; gdv_69a72cf6ee95eloadImage(gdv_69a72cf6ee95ecurrentSlideIndex); gdv_69a72cf6ee95eupdateSlideNumber(); } });
gdv_69a72cf6ee95enextSlideButton.addEventListener("click", function() { if (gdv_69a72cf6ee95ecurrentSlideIndex < gdv_69a72cf6ee95eimageUrls.length - 1) { gdv_69a72cf6ee95ecurrentSlideIndex++; gdv_69a72cf6ee95eloadImage(gdv_69a72cf6ee95ecurrentSlideIndex); gdv_69a72cf6ee95eupdateSlideNumber(); } }); function gdv_69a72cf6ee95eresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69a72cf6ee95ecanvasContainer"); gdv_69a72cf6ee95ecanvas.width = container.clientWidth; gdv_69a72cf6ee95ecanvas.height = container.clientHeight - 30; gdv_69a72cf6ee95efitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69a72cf6ee95edrawImage(); } window.addEventListener("load", gdv_69a72cf6ee95eresizeCanvas); window.addEventListener("resize", gdv_69a72cf6ee95eresizeCanvas); function gdv_69a72cf6ee95efitImageToCanvas() { const canvasAspect = gdv_69a72cf6ee95ecanvas.width / gdv_69a72cf6ee95ecanvas.height; const imageAspect = gdv_69a72cf6ee95ecurrentImage.width / gdv_69a72cf6ee95ecurrentImage.height; if (imageAspect > canvasAspect) { gdv_69a72cf6ee95escale = gdv_69a72cf6ee95ecanvas.width / gdv_69a72cf6ee95ecurrentImage.width; } else { gdv_69a72cf6ee95escale = gdv_69a72cf6ee95ecanvas.height / gdv_69a72cf6ee95ecurrentImage.height; } gdv_69a72cf6ee95eoriginX = gdv_69a72cf6ee95ecanvas.width / 2; gdv_69a72cf6ee95eoriginY = gdv_69a72cf6ee95ecanvas.height / 2; }
function gdv_69a72cf6ee95edrawImage() { gdv_69a72cf6ee95ectx.clearRect(0, 0, gdv_69a72cf6ee95ecanvas.width, gdv_69a72cf6ee95ecanvas.height); gdv_69a72cf6ee95ectx.save(); gdv_69a72cf6ee95ectx.translate(gdv_69a72cf6ee95eoriginX, gdv_69a72cf6ee95eoriginY); gdv_69a72cf6ee95ectx.rotate((Math.PI / 180) * gdv_69a72cf6ee95erotationAngle); gdv_69a72cf6ee95ectx.scale(gdv_69a72cf6ee95escale, gdv_69a72cf6ee95escale);
// Appliquer la luminosité et le contraste gdv_69a72cf6ee95ectx.filter = `brightness(${gdv_69a72cf6ee95ebrightnessInput.value}) contrast(${gdv_69a72cf6ee95econtrastInput.value})`; gdv_69a72cf6ee95ectx.drawImage(gdv_69a72cf6ee95ecurrentImage, -gdv_69a72cf6ee95ecurrentImage.width/2, -gdv_69a72cf6ee95ecurrentImage.height/2); gdv_69a72cf6ee95ectx.restore(); }
// Ajouter les miniatures des images gdv_69a72cf6ee95eimageUrls.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_69a72cf6ee95eloadImage(index); gdv_69a72cf6ee95ecurrentSlideIndex = index; gdv_69a72cf6ee95eupdateSlideNumber(); }; slide.appendChild(img); gdv_69a72cf6ee95ethumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69a72cf6ee95eloadImage(index) { gdv_69a72cf6ee95ecurrentImage.src = gdv_69a72cf6ee95eimageUrls[index]["url"]; gdv_69a72cf6ee95eimageName.innerHTML = filtrerChaine(gdv_69a72cf6ee95eimageUrls[index]["name"], "rien"); gdv_69a72cf6ee95ecurrentImage.onload = function() { gdv_69a72cf6ee95escale = 1; gdv_69a72cf6ee95eoriginX = 0; gdv_69a72cf6ee95eoriginY = 0; gdv_69a72cf6ee95efitImageToCanvas(); gdv_69a72cf6ee95edrawImage(); };
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_69a72cf6ee95eswiper = new Swiper(".gdv_69a72cf6ee95eswiper-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_69a72cf6ee95eswiper.on("slideChange", function () { // gdv_69a72cf6ee95ecurrentSlideIndex = gdv_69a72cf6ee95eswiper.activeIndex; // gdv_69a72cf6ee95eupdateSlideNumber(); //});
// Plein écran gdv_69a72cf6ee95efullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69a72cf6ee95egd-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_69a72cf6ee95ecanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69a72cf6ee95escale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69a72cf6ee95eminScale, Math.min(gdv_69a72cf6ee95emaxScale, newScale)); const scaleRatio = newScale / gdv_69a72cf6ee95escale; gdv_69a72cf6ee95eoriginX = mouseX - (mouseX - gdv_69a72cf6ee95eoriginX) * scaleRatio; gdv_69a72cf6ee95eoriginY = mouseY - (mouseY - gdv_69a72cf6ee95eoriginY) * scaleRatio; gdv_69a72cf6ee95escale = newScale; gdv_69a72cf6ee95edrawImage(); }); // Gestion du déplacement (pan) let gdv_69a72cf6ee95eisDragging = false; let gdv_69a72cf6ee95estartX, gdv_69a72cf6ee95estartY; gdv_69a72cf6ee95ecanvas.addEventListener("mousedown", function(event) { gdv_69a72cf6ee95eisDragging = true; gdv_69a72cf6ee95estartX = event.offsetX - gdv_69a72cf6ee95eoriginX; gdv_69a72cf6ee95estartY = event.offsetY - gdv_69a72cf6ee95eoriginY; gdv_69a72cf6ee95ecanvas.style.cursor = "grabbing"; }); gdv_69a72cf6ee95ecanvas.addEventListener("mousemove", function(event) { if (gdv_69a72cf6ee95eisDragging) { gdv_69a72cf6ee95eoriginX = event.offsetX - gdv_69a72cf6ee95estartX; gdv_69a72cf6ee95eoriginY = event.offsetY - gdv_69a72cf6ee95estartY; gdv_69a72cf6ee95edrawImage(); } }); // Gestion des événements tactiles gdv_69a72cf6ee95ecanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69a72cf6ee95eisDragging = true; const touch = event.touches[0]; gdv_69a72cf6ee95estartX = touch.pageX - gdv_69a72cf6ee95eoriginX; gdv_69a72cf6ee95estartY = touch.pageY - gdv_69a72cf6ee95eoriginY; } }); gdv_69a72cf6ee95ecanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69a72cf6ee95eoriginX = touch.pageX - gdv_69a72cf6ee95estartX; gdv_69a72cf6ee95eoriginY = touch.pageY - gdv_69a72cf6ee95estartY; gdv_69a72cf6ee95edrawImage(); }); gdv_69a72cf6ee95ecanvas.addEventListener("touchend", function() { gdv_69a72cf6ee95eisDragging = false; }); gdv_69a72cf6ee95ecanvas.addEventListener("mouseup", function() { gdv_69a72cf6ee95eisDragging = false; gdv_69a72cf6ee95ecanvas.style.cursor = "grab"; }); gdv_69a72cf6ee95ecanvas.addEventListener("mouseleave", function() { gdv_69a72cf6ee95eisDragging = false; gdv_69a72cf6ee95ecanvas.style.cursor = "grab"; }); gdv_69a72cf6ee95ezoomInButton.addEventListener("click", function() { let newScale = gdv_69a72cf6ee95escale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69a72cf6ee95escale = Math.max(gdv_69a72cf6ee95eminScale, Math.min(gdv_69a72cf6ee95emaxScale, newScale)); gdv_69a72cf6ee95edrawImage(); }); gdv_69a72cf6ee95ezoomOutButton.addEventListener("click", function() { let newScale = gdv_69a72cf6ee95escale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69a72cf6ee95escale = Math.max(gdv_69a72cf6ee95eminScale, Math.min(gdv_69a72cf6ee95emaxScale, newScale)); gdv_69a72cf6ee95edrawImage(); }); gdv_69a72cf6ee95eresetZoomButton.addEventListener("click", function() { gdv_69a72cf6ee95erotationAngle = 0; gdv_69a72cf6ee95efitImageToCanvas(); gdv_69a72cf6ee95edrawImage(); }); function gdv_69a72cf6ee95egetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69a72cf6ee95edownloadImage").addEventListener("click", function() { let url = gdv_69a72cf6ee95ecurrentImage.src; const imageId = gdv_69a72cf6ee95egetImageIdFromUrl(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_69a72cf6ee95eprintImageFromApi(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_69a72cf6ee95eprintButton = document.getElementById("gdv_69a72cf6ee95eprintCanvas");
gdv_69a72cf6ee95eprintButton.addEventListener("click", function() { let url = gdv_69a72cf6ee95ecurrentImage.src; const imageId = gdv_69a72cf6ee95egetImageIdFromUrl(url); gdv_69a72cf6ee95eprintImageFromApi(imageId); });
let gdv_69a72cf6ee95einitialDistance = 0; let gdv_69a72cf6ee95einitialScale = 1;
gdv_69a72cf6ee95ecanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69a72cf6ee95einitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69a72cf6ee95einitialScale = gdv_69a72cf6ee95escale; } });
gdv_69a72cf6ee95ecanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69a72cf6ee95einitialDistance; let newScale = gdv_69a72cf6ee95einitialScale * scaleChange;
newScale = Math.max(gdv_69a72cf6ee95eminScale, Math.min(gdv_69a72cf6ee95emaxScale, 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_69a72cf6ee95escale; gdv_69a72cf6ee95eoriginX = centerX - (centerX - gdv_69a72cf6ee95eoriginX) * scaleRatio; gdv_69a72cf6ee95eoriginY = centerY - (centerY - gdv_69a72cf6ee95eoriginY) * scaleRatio;
gdv_69a72cf6ee95escale = newScale; gdv_69a72cf6ee95edrawImage(); // 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); }