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const gdv_68712e2071fcbcanvas = document.getElementById("gdv_68712e2071fcbimageCanvas"); const gdv_68712e2071fcbctx = gdv_68712e2071fcbcanvas.getContext("2d");
const gdv_68712e2071fcbthumbnailContainer = document.getElementById("gdv_68712e2071fcbthumbnailContainer"); const gdv_68712e2071fcbthumbnailContainerWrapper = document.getElementById("gdv_68712e2071fcbthumbnailContainerWrapper"); const gdv_68712e2071fcbzoomInButton = document.getElementById("gdv_68712e2071fcbzoomIn"); const gdv_68712e2071fcbzoomOutButton = document.getElementById("gdv_68712e2071fcbzoomOut"); const gdv_68712e2071fcbresetZoomButton = document.getElementById("gdv_68712e2071fcbresetZoom");
const gdv_68712e2071fcbbrightnessInput = document.getElementById("gdv_68712e2071fcbbrightness"); const gdv_68712e2071fcbcontrastInput = document.getElementById("gdv_68712e2071fcbcontrast"); const gdv_68712e2071fcbfullscreenButton = document.getElementById("gdv_68712e2071fcbfullscreen");
const gdv_68712e2071fcbrotateRightButton = document.getElementById("gdv_68712e2071fcbrotateRight"); const gdv_68712e2071fcbrotateLeftButton = document.getElementById("gdv_68712e2071fcbrotateLeft");
const gdv_68712e2071fcbprevSlideButton = document.getElementById("gdv_68712e2071fcbprevSlide"); const gdv_68712e2071fcbnextSlideButton = document.getElementById("gdv_68712e2071fcbnextSlide"); const gdv_68712e2071fcbslideNumberDisplay = document.getElementById("gdv_68712e2071fcbslideNumber"); const gdv_68712e2071fcbimageName = document.getElementById("gdv_68712e2071fcbimageName");
let gdv_68712e2071fcbcurrentSlideIndex = 0;
gdv_68712e2071fcbbrightnessInput.addEventListener("input", gdv_68712e2071fcbdrawImage); gdv_68712e2071fcbcontrastInput.addEventListener("input", gdv_68712e2071fcbdrawImage);
const gdv_68712e2071fcbimageUrls = [{"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_68712e2071fcbscale = 1; let gdv_68712e2071fcboriginX = 0; let gdv_68712e2071fcboriginY = 0; const gdv_68712e2071fcbminScale = 0.1; const gdv_68712e2071fcbmaxScale = 5; let gdv_68712e2071fcbcurrentImage = new Image();
let gdv_68712e2071fcbrotationAngle = 0;
gdv_68712e2071fcbrotateRightButton.addEventListener("click", function() { gdv_68712e2071fcbrotationAngle = (gdv_68712e2071fcbrotationAngle + 90) % 360; gdv_68712e2071fcbdrawImage(); });
gdv_68712e2071fcbrotateLeftButton.addEventListener("click", function() { gdv_68712e2071fcbrotationAngle = (gdv_68712e2071fcbrotationAngle - 90 + 360) % 360; gdv_68712e2071fcbdrawImage(); });
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_68712e2071fcbcurrentImage.src = gdv_68712e2071fcbimageUrls[0]["url"]; gdv_68712e2071fcbimageName.innerHTML = filtrerChaine(gdv_68712e2071fcbimageUrls[0]["name"], "rien"); gdv_68712e2071fcbcurrentImage.onload = function() {
gdv_68712e2071fcbupdateSlideNumber(); gdv_68712e2071fcbresizeCanvas(); gdv_68712e2071fcbdrawImage(); document.getElementById("gdv_68712e2071fcbcontrols").style.display = "block"; };
function gdv_68712e2071fcbupdateSlideNumber() { gdv_68712e2071fcbslideNumberDisplay.textContent = `${gdv_68712e2071fcbcurrentSlideIndex + 1} / ${gdv_68712e2071fcbimageUrls.length}`; }
gdv_68712e2071fcbprevSlideButton.addEventListener("click", function() { if (gdv_68712e2071fcbcurrentSlideIndex > 0) { gdv_68712e2071fcbcurrentSlideIndex--; gdv_68712e2071fcbloadImage(gdv_68712e2071fcbcurrentSlideIndex); gdv_68712e2071fcbupdateSlideNumber(); } });
gdv_68712e2071fcbnextSlideButton.addEventListener("click", function() { if (gdv_68712e2071fcbcurrentSlideIndex < gdv_68712e2071fcbimageUrls.length - 1) { gdv_68712e2071fcbcurrentSlideIndex++; gdv_68712e2071fcbloadImage(gdv_68712e2071fcbcurrentSlideIndex); gdv_68712e2071fcbupdateSlideNumber(); } }); function gdv_68712e2071fcbresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_68712e2071fcbcanvasContainer"); gdv_68712e2071fcbcanvas.width = container.clientWidth; gdv_68712e2071fcbcanvas.height = container.clientHeight - 30; gdv_68712e2071fcbfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_68712e2071fcbdrawImage(); } window.addEventListener("load", gdv_68712e2071fcbresizeCanvas); window.addEventListener("resize", gdv_68712e2071fcbresizeCanvas); function gdv_68712e2071fcbfitImageToCanvas() { const canvasAspect = gdv_68712e2071fcbcanvas.width / gdv_68712e2071fcbcanvas.height; const imageAspect = gdv_68712e2071fcbcurrentImage.width / gdv_68712e2071fcbcurrentImage.height; if (imageAspect > canvasAspect) { gdv_68712e2071fcbscale = gdv_68712e2071fcbcanvas.width / gdv_68712e2071fcbcurrentImage.width; } else { gdv_68712e2071fcbscale = gdv_68712e2071fcbcanvas.height / gdv_68712e2071fcbcurrentImage.height; } gdv_68712e2071fcboriginX = gdv_68712e2071fcbcanvas.width / 2; gdv_68712e2071fcboriginY = gdv_68712e2071fcbcanvas.height / 2; }
function gdv_68712e2071fcbdrawImage() { gdv_68712e2071fcbctx.clearRect(0, 0, gdv_68712e2071fcbcanvas.width, gdv_68712e2071fcbcanvas.height); gdv_68712e2071fcbctx.save(); gdv_68712e2071fcbctx.translate(gdv_68712e2071fcboriginX, gdv_68712e2071fcboriginY); gdv_68712e2071fcbctx.rotate((Math.PI / 180) * gdv_68712e2071fcbrotationAngle); gdv_68712e2071fcbctx.scale(gdv_68712e2071fcbscale, gdv_68712e2071fcbscale);
// Appliquer la luminosité et le contraste gdv_68712e2071fcbctx.filter = `brightness(${gdv_68712e2071fcbbrightnessInput.value}) contrast(${gdv_68712e2071fcbcontrastInput.value})`; gdv_68712e2071fcbctx.drawImage(gdv_68712e2071fcbcurrentImage, -gdv_68712e2071fcbcurrentImage.width/2, -gdv_68712e2071fcbcurrentImage.height/2); gdv_68712e2071fcbctx.restore(); }
// Ajouter les miniatures des images gdv_68712e2071fcbimageUrls.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_68712e2071fcbloadImage(index); gdv_68712e2071fcbcurrentSlideIndex = index; gdv_68712e2071fcbupdateSlideNumber(); }; slide.appendChild(img); gdv_68712e2071fcbthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_68712e2071fcbloadImage(index) { gdv_68712e2071fcbcurrentImage.src = gdv_68712e2071fcbimageUrls[index]["url"]; gdv_68712e2071fcbimageName.innerHTML = filtrerChaine(gdv_68712e2071fcbimageUrls[index]["name"], "rien"); gdv_68712e2071fcbcurrentImage.onload = function() { gdv_68712e2071fcbscale = 1; gdv_68712e2071fcboriginX = 0; gdv_68712e2071fcboriginY = 0; gdv_68712e2071fcbfitImageToCanvas(); gdv_68712e2071fcbdrawImage(); };
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_68712e2071fcbswiper = new Swiper(".gdv_68712e2071fcbswiper-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_68712e2071fcbswiper.on("slideChange", function () { // gdv_68712e2071fcbcurrentSlideIndex = gdv_68712e2071fcbswiper.activeIndex; // gdv_68712e2071fcbupdateSlideNumber(); //});
// Plein écran gdv_68712e2071fcbfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_68712e2071fcbgd-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_68712e2071fcbcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_68712e2071fcbscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_68712e2071fcbminScale, Math.min(gdv_68712e2071fcbmaxScale, newScale)); const scaleRatio = newScale / gdv_68712e2071fcbscale; gdv_68712e2071fcboriginX = mouseX - (mouseX - gdv_68712e2071fcboriginX) * scaleRatio; gdv_68712e2071fcboriginY = mouseY - (mouseY - gdv_68712e2071fcboriginY) * scaleRatio; gdv_68712e2071fcbscale = newScale; gdv_68712e2071fcbdrawImage(); }); // Gestion du déplacement (pan) let gdv_68712e2071fcbisDragging = false; let gdv_68712e2071fcbstartX, gdv_68712e2071fcbstartY; gdv_68712e2071fcbcanvas.addEventListener("mousedown", function(event) { gdv_68712e2071fcbisDragging = true; gdv_68712e2071fcbstartX = event.offsetX - gdv_68712e2071fcboriginX; gdv_68712e2071fcbstartY = event.offsetY - gdv_68712e2071fcboriginY; gdv_68712e2071fcbcanvas.style.cursor = "grabbing"; }); gdv_68712e2071fcbcanvas.addEventListener("mousemove", function(event) { if (gdv_68712e2071fcbisDragging) { gdv_68712e2071fcboriginX = event.offsetX - gdv_68712e2071fcbstartX; gdv_68712e2071fcboriginY = event.offsetY - gdv_68712e2071fcbstartY; gdv_68712e2071fcbdrawImage(); } }); // Gestion des événements tactiles gdv_68712e2071fcbcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_68712e2071fcbisDragging = true; const touch = event.touches[0]; gdv_68712e2071fcbstartX = touch.pageX - gdv_68712e2071fcboriginX; gdv_68712e2071fcbstartY = touch.pageY - gdv_68712e2071fcboriginY; } }); gdv_68712e2071fcbcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_68712e2071fcboriginX = touch.pageX - gdv_68712e2071fcbstartX; gdv_68712e2071fcboriginY = touch.pageY - gdv_68712e2071fcbstartY; gdv_68712e2071fcbdrawImage(); }); gdv_68712e2071fcbcanvas.addEventListener("touchend", function() { gdv_68712e2071fcbisDragging = false; }); gdv_68712e2071fcbcanvas.addEventListener("mouseup", function() { gdv_68712e2071fcbisDragging = false; gdv_68712e2071fcbcanvas.style.cursor = "grab"; }); gdv_68712e2071fcbcanvas.addEventListener("mouseleave", function() { gdv_68712e2071fcbisDragging = false; gdv_68712e2071fcbcanvas.style.cursor = "grab"; }); gdv_68712e2071fcbzoomInButton.addEventListener("click", function() { let newScale = gdv_68712e2071fcbscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_68712e2071fcbscale = Math.max(gdv_68712e2071fcbminScale, Math.min(gdv_68712e2071fcbmaxScale, newScale)); gdv_68712e2071fcbdrawImage(); }); gdv_68712e2071fcbzoomOutButton.addEventListener("click", function() { let newScale = gdv_68712e2071fcbscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_68712e2071fcbscale = Math.max(gdv_68712e2071fcbminScale, Math.min(gdv_68712e2071fcbmaxScale, newScale)); gdv_68712e2071fcbdrawImage(); }); gdv_68712e2071fcbresetZoomButton.addEventListener("click", function() { gdv_68712e2071fcbrotationAngle = 0; gdv_68712e2071fcbfitImageToCanvas(); gdv_68712e2071fcbdrawImage(); }); function gdv_68712e2071fcbgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_68712e2071fcbdownloadImage").addEventListener("click", function() { let url = gdv_68712e2071fcbcurrentImage.src; const imageId = gdv_68712e2071fcbgetImageIdFromUrl(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_68712e2071fcbprintImageFromApi(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_68712e2071fcbprintButton = document.getElementById("gdv_68712e2071fcbprintCanvas");
gdv_68712e2071fcbprintButton.addEventListener("click", function() { let url = gdv_68712e2071fcbcurrentImage.src; const imageId = gdv_68712e2071fcbgetImageIdFromUrl(url); gdv_68712e2071fcbprintImageFromApi(imageId); });
let gdv_68712e2071fcbinitialDistance = 0; let gdv_68712e2071fcbinitialScale = 1;
gdv_68712e2071fcbcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_68712e2071fcbinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_68712e2071fcbinitialScale = gdv_68712e2071fcbscale; } });
gdv_68712e2071fcbcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_68712e2071fcbinitialDistance; let newScale = gdv_68712e2071fcbinitialScale * scaleChange;
newScale = Math.max(gdv_68712e2071fcbminScale, Math.min(gdv_68712e2071fcbmaxScale, 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_68712e2071fcbscale; gdv_68712e2071fcboriginX = centerX - (centerX - gdv_68712e2071fcboriginX) * scaleRatio; gdv_68712e2071fcboriginY = centerY - (centerY - gdv_68712e2071fcboriginY) * scaleRatio;
gdv_68712e2071fcbscale = newScale; gdv_68712e2071fcbdrawImage(); // 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); }