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const gdv_6ad3aaf5d075acanvas = document.getElementById("gdv_6ad3aaf5d075aimageCanvas"); const gdv_6ad3aaf5d075actx = gdv_6ad3aaf5d075acanvas.getContext("2d");
const gdv_6ad3aaf5d075athumbnailContainer = document.getElementById("gdv_6ad3aaf5d075athumbnailContainer"); const gdv_6ad3aaf5d075athumbnailContainerWrapper = document.getElementById("gdv_6ad3aaf5d075athumbnailContainerWrapper"); const gdv_6ad3aaf5d075azoomInButton = document.getElementById("gdv_6ad3aaf5d075azoomIn"); const gdv_6ad3aaf5d075azoomOutButton = document.getElementById("gdv_6ad3aaf5d075azoomOut"); const gdv_6ad3aaf5d075aresetZoomButton = document.getElementById("gdv_6ad3aaf5d075aresetZoom");
const gdv_6ad3aaf5d075abrightnessInput = document.getElementById("gdv_6ad3aaf5d075abrightness"); const gdv_6ad3aaf5d075acontrastInput = document.getElementById("gdv_6ad3aaf5d075acontrast"); const gdv_6ad3aaf5d075afullscreenButton = document.getElementById("gdv_6ad3aaf5d075afullscreen");
const gdv_6ad3aaf5d075arotateRightButton = document.getElementById("gdv_6ad3aaf5d075arotateRight"); const gdv_6ad3aaf5d075arotateLeftButton = document.getElementById("gdv_6ad3aaf5d075arotateLeft");
const gdv_6ad3aaf5d075aprevSlideButton = document.getElementById("gdv_6ad3aaf5d075aprevSlide"); const gdv_6ad3aaf5d075anextSlideButton = document.getElementById("gdv_6ad3aaf5d075anextSlide"); const gdv_6ad3aaf5d075aslideNumberDisplay = document.getElementById("gdv_6ad3aaf5d075aslideNumber"); const gdv_6ad3aaf5d075aimageName = document.getElementById("gdv_6ad3aaf5d075aimageName");
let gdv_6ad3aaf5d075acurrentSlideIndex = 0;
gdv_6ad3aaf5d075abrightnessInput.addEventListener("input", gdv_6ad3aaf5d075adrawImage); gdv_6ad3aaf5d075acontrastInput.addEventListener("input", gdv_6ad3aaf5d075adrawImage);
const gdv_6ad3aaf5d075aimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1rj822uUokR_C8p1qcZqFha58q9sfNRDg&sz=w3000","name":"EPOL et LFS_sur la loi du 25 aout sur les biens des personnes non re\u0301sidantes en France ou dans les colonies.jpg"}];
let gdv_6ad3aaf5d075ascale = 1; let gdv_6ad3aaf5d075aoriginX = 0; let gdv_6ad3aaf5d075aoriginY = 0; const gdv_6ad3aaf5d075aminScale = 0.1; const gdv_6ad3aaf5d075amaxScale = 5; let gdv_6ad3aaf5d075acurrentImage = new Image();
let gdv_6ad3aaf5d075arotationAngle = 0;
gdv_6ad3aaf5d075arotateRightButton.addEventListener("click", function() { gdv_6ad3aaf5d075arotationAngle = (gdv_6ad3aaf5d075arotationAngle + 90) % 360; gdv_6ad3aaf5d075adrawImage(); });
gdv_6ad3aaf5d075arotateLeftButton.addEventListener("click", function() { gdv_6ad3aaf5d075arotationAngle = (gdv_6ad3aaf5d075arotationAngle - 90 + 360) % 360; gdv_6ad3aaf5d075adrawImage(); });
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_6ad3aaf5d075acurrentImage.src = gdv_6ad3aaf5d075aimageUrls[0]["url"]; gdv_6ad3aaf5d075aimageName.innerHTML = filtrerChaine(gdv_6ad3aaf5d075aimageUrls[0]["name"], "rien"); gdv_6ad3aaf5d075acurrentImage.onload = function() {
gdv_6ad3aaf5d075aupdateSlideNumber(); gdv_6ad3aaf5d075aresizeCanvas(); gdv_6ad3aaf5d075adrawImage(); document.getElementById("gdv_6ad3aaf5d075acontrols").style.display = "block"; };
function gdv_6ad3aaf5d075aupdateSlideNumber() { gdv_6ad3aaf5d075aslideNumberDisplay.textContent = `${gdv_6ad3aaf5d075acurrentSlideIndex + 1} / ${gdv_6ad3aaf5d075aimageUrls.length}`; }
gdv_6ad3aaf5d075aprevSlideButton.addEventListener("click", function() { if (gdv_6ad3aaf5d075acurrentSlideIndex > 0) { gdv_6ad3aaf5d075acurrentSlideIndex--; gdv_6ad3aaf5d075aloadImage(gdv_6ad3aaf5d075acurrentSlideIndex); gdv_6ad3aaf5d075aupdateSlideNumber(); } });
gdv_6ad3aaf5d075anextSlideButton.addEventListener("click", function() { if (gdv_6ad3aaf5d075acurrentSlideIndex < gdv_6ad3aaf5d075aimageUrls.length - 1) { gdv_6ad3aaf5d075acurrentSlideIndex++; gdv_6ad3aaf5d075aloadImage(gdv_6ad3aaf5d075acurrentSlideIndex); gdv_6ad3aaf5d075aupdateSlideNumber(); } }); function gdv_6ad3aaf5d075aresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_6ad3aaf5d075acanvasContainer"); gdv_6ad3aaf5d075acanvas.width = container.clientWidth; gdv_6ad3aaf5d075acanvas.height = container.clientHeight - 30; gdv_6ad3aaf5d075afitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_6ad3aaf5d075adrawImage(); } window.addEventListener("load", gdv_6ad3aaf5d075aresizeCanvas); window.addEventListener("resize", gdv_6ad3aaf5d075aresizeCanvas); function gdv_6ad3aaf5d075afitImageToCanvas() { const canvasAspect = gdv_6ad3aaf5d075acanvas.width / gdv_6ad3aaf5d075acanvas.height; const imageAspect = gdv_6ad3aaf5d075acurrentImage.width / gdv_6ad3aaf5d075acurrentImage.height; if (imageAspect > canvasAspect) { gdv_6ad3aaf5d075ascale = gdv_6ad3aaf5d075acanvas.width / gdv_6ad3aaf5d075acurrentImage.width; } else { gdv_6ad3aaf5d075ascale = gdv_6ad3aaf5d075acanvas.height / gdv_6ad3aaf5d075acurrentImage.height; } gdv_6ad3aaf5d075aoriginX = gdv_6ad3aaf5d075acanvas.width / 2; gdv_6ad3aaf5d075aoriginY = gdv_6ad3aaf5d075acanvas.height / 2; }
function gdv_6ad3aaf5d075adrawImage() { gdv_6ad3aaf5d075actx.clearRect(0, 0, gdv_6ad3aaf5d075acanvas.width, gdv_6ad3aaf5d075acanvas.height); gdv_6ad3aaf5d075actx.save(); gdv_6ad3aaf5d075actx.translate(gdv_6ad3aaf5d075aoriginX, gdv_6ad3aaf5d075aoriginY); gdv_6ad3aaf5d075actx.rotate((Math.PI / 180) * gdv_6ad3aaf5d075arotationAngle); gdv_6ad3aaf5d075actx.scale(gdv_6ad3aaf5d075ascale, gdv_6ad3aaf5d075ascale);
// Appliquer la luminosité et le contraste gdv_6ad3aaf5d075actx.filter = `brightness(${gdv_6ad3aaf5d075abrightnessInput.value}) contrast(${gdv_6ad3aaf5d075acontrastInput.value})`; gdv_6ad3aaf5d075actx.drawImage(gdv_6ad3aaf5d075acurrentImage, -gdv_6ad3aaf5d075acurrentImage.width/2, -gdv_6ad3aaf5d075acurrentImage.height/2); gdv_6ad3aaf5d075actx.restore(); }
// Ajouter les miniatures des images gdv_6ad3aaf5d075aimageUrls.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_6ad3aaf5d075aloadImage(index); gdv_6ad3aaf5d075acurrentSlideIndex = index; gdv_6ad3aaf5d075aupdateSlideNumber(); }; slide.appendChild(img); gdv_6ad3aaf5d075athumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_6ad3aaf5d075aloadImage(index) { gdv_6ad3aaf5d075acurrentImage.src = gdv_6ad3aaf5d075aimageUrls[index]["url"]; gdv_6ad3aaf5d075aimageName.innerHTML = filtrerChaine(gdv_6ad3aaf5d075aimageUrls[index]["name"], "rien"); gdv_6ad3aaf5d075acurrentImage.onload = function() { gdv_6ad3aaf5d075ascale = 1; gdv_6ad3aaf5d075aoriginX = 0; gdv_6ad3aaf5d075aoriginY = 0; gdv_6ad3aaf5d075afitImageToCanvas(); gdv_6ad3aaf5d075adrawImage(); };
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_6ad3aaf5d075aswiper = new Swiper(".gdv_6ad3aaf5d075aswiper-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_6ad3aaf5d075aswiper.on("slideChange", function () { // gdv_6ad3aaf5d075acurrentSlideIndex = gdv_6ad3aaf5d075aswiper.activeIndex; // gdv_6ad3aaf5d075aupdateSlideNumber(); //});
// Plein écran gdv_6ad3aaf5d075afullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_6ad3aaf5d075agd-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_6ad3aaf5d075acanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_6ad3aaf5d075ascale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_6ad3aaf5d075aminScale, Math.min(gdv_6ad3aaf5d075amaxScale, newScale)); const scaleRatio = newScale / gdv_6ad3aaf5d075ascale; gdv_6ad3aaf5d075aoriginX = mouseX - (mouseX - gdv_6ad3aaf5d075aoriginX) * scaleRatio; gdv_6ad3aaf5d075aoriginY = mouseY - (mouseY - gdv_6ad3aaf5d075aoriginY) * scaleRatio; gdv_6ad3aaf5d075ascale = newScale; gdv_6ad3aaf5d075adrawImage(); }); // Gestion du déplacement (pan) let gdv_6ad3aaf5d075aisDragging = false; let gdv_6ad3aaf5d075astartX, gdv_6ad3aaf5d075astartY; gdv_6ad3aaf5d075acanvas.addEventListener("mousedown", function(event) { gdv_6ad3aaf5d075aisDragging = true; gdv_6ad3aaf5d075astartX = event.offsetX - gdv_6ad3aaf5d075aoriginX; gdv_6ad3aaf5d075astartY = event.offsetY - gdv_6ad3aaf5d075aoriginY; gdv_6ad3aaf5d075acanvas.style.cursor = "grabbing"; }); gdv_6ad3aaf5d075acanvas.addEventListener("mousemove", function(event) { if (gdv_6ad3aaf5d075aisDragging) { gdv_6ad3aaf5d075aoriginX = event.offsetX - gdv_6ad3aaf5d075astartX; gdv_6ad3aaf5d075aoriginY = event.offsetY - gdv_6ad3aaf5d075astartY; gdv_6ad3aaf5d075adrawImage(); } }); // Gestion des événements tactiles gdv_6ad3aaf5d075acanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_6ad3aaf5d075aisDragging = true; const touch = event.touches[0]; gdv_6ad3aaf5d075astartX = touch.pageX - gdv_6ad3aaf5d075aoriginX; gdv_6ad3aaf5d075astartY = touch.pageY - gdv_6ad3aaf5d075aoriginY; } }); gdv_6ad3aaf5d075acanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_6ad3aaf5d075aoriginX = touch.pageX - gdv_6ad3aaf5d075astartX; gdv_6ad3aaf5d075aoriginY = touch.pageY - gdv_6ad3aaf5d075astartY; gdv_6ad3aaf5d075adrawImage(); }); gdv_6ad3aaf5d075acanvas.addEventListener("touchend", function() { gdv_6ad3aaf5d075aisDragging = false; }); gdv_6ad3aaf5d075acanvas.addEventListener("mouseup", function() { gdv_6ad3aaf5d075aisDragging = false; gdv_6ad3aaf5d075acanvas.style.cursor = "grab"; }); gdv_6ad3aaf5d075acanvas.addEventListener("mouseleave", function() { gdv_6ad3aaf5d075aisDragging = false; gdv_6ad3aaf5d075acanvas.style.cursor = "grab"; }); gdv_6ad3aaf5d075azoomInButton.addEventListener("click", function() { let newScale = gdv_6ad3aaf5d075ascale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_6ad3aaf5d075ascale = Math.max(gdv_6ad3aaf5d075aminScale, Math.min(gdv_6ad3aaf5d075amaxScale, newScale)); gdv_6ad3aaf5d075adrawImage(); }); gdv_6ad3aaf5d075azoomOutButton.addEventListener("click", function() { let newScale = gdv_6ad3aaf5d075ascale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_6ad3aaf5d075ascale = Math.max(gdv_6ad3aaf5d075aminScale, Math.min(gdv_6ad3aaf5d075amaxScale, newScale)); gdv_6ad3aaf5d075adrawImage(); }); gdv_6ad3aaf5d075aresetZoomButton.addEventListener("click", function() { gdv_6ad3aaf5d075arotationAngle = 0; gdv_6ad3aaf5d075afitImageToCanvas(); gdv_6ad3aaf5d075adrawImage(); }); function gdv_6ad3aaf5d075agetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_6ad3aaf5d075adownloadImage").addEventListener("click", function() { let url = gdv_6ad3aaf5d075acurrentImage.src; const imageId = gdv_6ad3aaf5d075agetImageIdFromUrl(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_6ad3aaf5d075aprintImageFromApi(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_6ad3aaf5d075aprintButton = document.getElementById("gdv_6ad3aaf5d075aprintCanvas");
gdv_6ad3aaf5d075aprintButton.addEventListener("click", function() { let url = gdv_6ad3aaf5d075acurrentImage.src; const imageId = gdv_6ad3aaf5d075agetImageIdFromUrl(url); gdv_6ad3aaf5d075aprintImageFromApi(imageId); });
let gdv_6ad3aaf5d075ainitialDistance = 0; let gdv_6ad3aaf5d075ainitialScale = 1;
gdv_6ad3aaf5d075acanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_6ad3aaf5d075ainitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_6ad3aaf5d075ainitialScale = gdv_6ad3aaf5d075ascale; } });
gdv_6ad3aaf5d075acanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_6ad3aaf5d075ainitialDistance; let newScale = gdv_6ad3aaf5d075ainitialScale * scaleChange;
newScale = Math.max(gdv_6ad3aaf5d075aminScale, Math.min(gdv_6ad3aaf5d075amaxScale, 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_6ad3aaf5d075ascale; gdv_6ad3aaf5d075aoriginX = centerX - (centerX - gdv_6ad3aaf5d075aoriginX) * scaleRatio; gdv_6ad3aaf5d075aoriginY = centerY - (centerY - gdv_6ad3aaf5d075aoriginY) * scaleRatio;
gdv_6ad3aaf5d075ascale = newScale; gdv_6ad3aaf5d075adrawImage(); // 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); }