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const gdv_69af689598a4bcanvas = document.getElementById("gdv_69af689598a4bimageCanvas"); const gdv_69af689598a4bctx = gdv_69af689598a4bcanvas.getContext("2d");
const gdv_69af689598a4bthumbnailContainer = document.getElementById("gdv_69af689598a4bthumbnailContainer"); const gdv_69af689598a4bthumbnailContainerWrapper = document.getElementById("gdv_69af689598a4bthumbnailContainerWrapper"); const gdv_69af689598a4bzoomInButton = document.getElementById("gdv_69af689598a4bzoomIn"); const gdv_69af689598a4bzoomOutButton = document.getElementById("gdv_69af689598a4bzoomOut"); const gdv_69af689598a4bresetZoomButton = document.getElementById("gdv_69af689598a4bresetZoom");
const gdv_69af689598a4bbrightnessInput = document.getElementById("gdv_69af689598a4bbrightness"); const gdv_69af689598a4bcontrastInput = document.getElementById("gdv_69af689598a4bcontrast"); const gdv_69af689598a4bfullscreenButton = document.getElementById("gdv_69af689598a4bfullscreen");
const gdv_69af689598a4brotateRightButton = document.getElementById("gdv_69af689598a4brotateRight"); const gdv_69af689598a4brotateLeftButton = document.getElementById("gdv_69af689598a4brotateLeft");
const gdv_69af689598a4bprevSlideButton = document.getElementById("gdv_69af689598a4bprevSlide"); const gdv_69af689598a4bnextSlideButton = document.getElementById("gdv_69af689598a4bnextSlide"); const gdv_69af689598a4bslideNumberDisplay = document.getElementById("gdv_69af689598a4bslideNumber"); const gdv_69af689598a4bimageName = document.getElementById("gdv_69af689598a4bimageName");
let gdv_69af689598a4bcurrentSlideIndex = 0;
gdv_69af689598a4bbrightnessInput.addEventListener("input", gdv_69af689598a4bdrawImage); gdv_69af689598a4bcontrastInput.addEventListener("input", gdv_69af689598a4bdrawImage);
const gdv_69af689598a4bimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1iOKauMu2I77N7xfgQqEbhX774c42tgDL&sz=w3000","name":"EPOL_LFS_destitution de plusieurs citoyens pour cause d'incivisme.jpg"}];
let gdv_69af689598a4bscale = 1; let gdv_69af689598a4boriginX = 0; let gdv_69af689598a4boriginY = 0; const gdv_69af689598a4bminScale = 0.1; const gdv_69af689598a4bmaxScale = 5; let gdv_69af689598a4bcurrentImage = new Image();
let gdv_69af689598a4brotationAngle = 0;
gdv_69af689598a4brotateRightButton.addEventListener("click", function() { gdv_69af689598a4brotationAngle = (gdv_69af689598a4brotationAngle + 90) % 360; gdv_69af689598a4bdrawImage(); });
gdv_69af689598a4brotateLeftButton.addEventListener("click", function() { gdv_69af689598a4brotationAngle = (gdv_69af689598a4brotationAngle - 90 + 360) % 360; gdv_69af689598a4bdrawImage(); });
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_69af689598a4bcurrentImage.src = gdv_69af689598a4bimageUrls[0]["url"]; gdv_69af689598a4bimageName.innerHTML = filtrerChaine(gdv_69af689598a4bimageUrls[0]["name"], "rien"); gdv_69af689598a4bcurrentImage.onload = function() {
gdv_69af689598a4bupdateSlideNumber(); gdv_69af689598a4bresizeCanvas(); gdv_69af689598a4bdrawImage(); document.getElementById("gdv_69af689598a4bcontrols").style.display = "block"; };
function gdv_69af689598a4bupdateSlideNumber() { gdv_69af689598a4bslideNumberDisplay.textContent = `${gdv_69af689598a4bcurrentSlideIndex + 1} / ${gdv_69af689598a4bimageUrls.length}`; }
gdv_69af689598a4bprevSlideButton.addEventListener("click", function() { if (gdv_69af689598a4bcurrentSlideIndex > 0) { gdv_69af689598a4bcurrentSlideIndex--; gdv_69af689598a4bloadImage(gdv_69af689598a4bcurrentSlideIndex); gdv_69af689598a4bupdateSlideNumber(); } });
gdv_69af689598a4bnextSlideButton.addEventListener("click", function() { if (gdv_69af689598a4bcurrentSlideIndex < gdv_69af689598a4bimageUrls.length - 1) { gdv_69af689598a4bcurrentSlideIndex++; gdv_69af689598a4bloadImage(gdv_69af689598a4bcurrentSlideIndex); gdv_69af689598a4bupdateSlideNumber(); } }); function gdv_69af689598a4bresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69af689598a4bcanvasContainer"); gdv_69af689598a4bcanvas.width = container.clientWidth; gdv_69af689598a4bcanvas.height = container.clientHeight - 30; gdv_69af689598a4bfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69af689598a4bdrawImage(); } window.addEventListener("load", gdv_69af689598a4bresizeCanvas); window.addEventListener("resize", gdv_69af689598a4bresizeCanvas); function gdv_69af689598a4bfitImageToCanvas() { const canvasAspect = gdv_69af689598a4bcanvas.width / gdv_69af689598a4bcanvas.height; const imageAspect = gdv_69af689598a4bcurrentImage.width / gdv_69af689598a4bcurrentImage.height; if (imageAspect > canvasAspect) { gdv_69af689598a4bscale = gdv_69af689598a4bcanvas.width / gdv_69af689598a4bcurrentImage.width; } else { gdv_69af689598a4bscale = gdv_69af689598a4bcanvas.height / gdv_69af689598a4bcurrentImage.height; } gdv_69af689598a4boriginX = gdv_69af689598a4bcanvas.width / 2; gdv_69af689598a4boriginY = gdv_69af689598a4bcanvas.height / 2; }
function gdv_69af689598a4bdrawImage() { gdv_69af689598a4bctx.clearRect(0, 0, gdv_69af689598a4bcanvas.width, gdv_69af689598a4bcanvas.height); gdv_69af689598a4bctx.save(); gdv_69af689598a4bctx.translate(gdv_69af689598a4boriginX, gdv_69af689598a4boriginY); gdv_69af689598a4bctx.rotate((Math.PI / 180) * gdv_69af689598a4brotationAngle); gdv_69af689598a4bctx.scale(gdv_69af689598a4bscale, gdv_69af689598a4bscale);
// Appliquer la luminosité et le contraste gdv_69af689598a4bctx.filter = `brightness(${gdv_69af689598a4bbrightnessInput.value}) contrast(${gdv_69af689598a4bcontrastInput.value})`; gdv_69af689598a4bctx.drawImage(gdv_69af689598a4bcurrentImage, -gdv_69af689598a4bcurrentImage.width/2, -gdv_69af689598a4bcurrentImage.height/2); gdv_69af689598a4bctx.restore(); }
// Ajouter les miniatures des images gdv_69af689598a4bimageUrls.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_69af689598a4bloadImage(index); gdv_69af689598a4bcurrentSlideIndex = index; gdv_69af689598a4bupdateSlideNumber(); }; slide.appendChild(img); gdv_69af689598a4bthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69af689598a4bloadImage(index) { gdv_69af689598a4bcurrentImage.src = gdv_69af689598a4bimageUrls[index]["url"]; gdv_69af689598a4bimageName.innerHTML = filtrerChaine(gdv_69af689598a4bimageUrls[index]["name"], "rien"); gdv_69af689598a4bcurrentImage.onload = function() { gdv_69af689598a4bscale = 1; gdv_69af689598a4boriginX = 0; gdv_69af689598a4boriginY = 0; gdv_69af689598a4bfitImageToCanvas(); gdv_69af689598a4bdrawImage(); };
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_69af689598a4bswiper = new Swiper(".gdv_69af689598a4bswiper-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_69af689598a4bswiper.on("slideChange", function () { // gdv_69af689598a4bcurrentSlideIndex = gdv_69af689598a4bswiper.activeIndex; // gdv_69af689598a4bupdateSlideNumber(); //});
// Plein écran gdv_69af689598a4bfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69af689598a4bgd-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_69af689598a4bcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69af689598a4bscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69af689598a4bminScale, Math.min(gdv_69af689598a4bmaxScale, newScale)); const scaleRatio = newScale / gdv_69af689598a4bscale; gdv_69af689598a4boriginX = mouseX - (mouseX - gdv_69af689598a4boriginX) * scaleRatio; gdv_69af689598a4boriginY = mouseY - (mouseY - gdv_69af689598a4boriginY) * scaleRatio; gdv_69af689598a4bscale = newScale; gdv_69af689598a4bdrawImage(); }); // Gestion du déplacement (pan) let gdv_69af689598a4bisDragging = false; let gdv_69af689598a4bstartX, gdv_69af689598a4bstartY; gdv_69af689598a4bcanvas.addEventListener("mousedown", function(event) { gdv_69af689598a4bisDragging = true; gdv_69af689598a4bstartX = event.offsetX - gdv_69af689598a4boriginX; gdv_69af689598a4bstartY = event.offsetY - gdv_69af689598a4boriginY; gdv_69af689598a4bcanvas.style.cursor = "grabbing"; }); gdv_69af689598a4bcanvas.addEventListener("mousemove", function(event) { if (gdv_69af689598a4bisDragging) { gdv_69af689598a4boriginX = event.offsetX - gdv_69af689598a4bstartX; gdv_69af689598a4boriginY = event.offsetY - gdv_69af689598a4bstartY; gdv_69af689598a4bdrawImage(); } }); // Gestion des événements tactiles gdv_69af689598a4bcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69af689598a4bisDragging = true; const touch = event.touches[0]; gdv_69af689598a4bstartX = touch.pageX - gdv_69af689598a4boriginX; gdv_69af689598a4bstartY = touch.pageY - gdv_69af689598a4boriginY; } }); gdv_69af689598a4bcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69af689598a4boriginX = touch.pageX - gdv_69af689598a4bstartX; gdv_69af689598a4boriginY = touch.pageY - gdv_69af689598a4bstartY; gdv_69af689598a4bdrawImage(); }); gdv_69af689598a4bcanvas.addEventListener("touchend", function() { gdv_69af689598a4bisDragging = false; }); gdv_69af689598a4bcanvas.addEventListener("mouseup", function() { gdv_69af689598a4bisDragging = false; gdv_69af689598a4bcanvas.style.cursor = "grab"; }); gdv_69af689598a4bcanvas.addEventListener("mouseleave", function() { gdv_69af689598a4bisDragging = false; gdv_69af689598a4bcanvas.style.cursor = "grab"; }); gdv_69af689598a4bzoomInButton.addEventListener("click", function() { let newScale = gdv_69af689598a4bscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69af689598a4bscale = Math.max(gdv_69af689598a4bminScale, Math.min(gdv_69af689598a4bmaxScale, newScale)); gdv_69af689598a4bdrawImage(); }); gdv_69af689598a4bzoomOutButton.addEventListener("click", function() { let newScale = gdv_69af689598a4bscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69af689598a4bscale = Math.max(gdv_69af689598a4bminScale, Math.min(gdv_69af689598a4bmaxScale, newScale)); gdv_69af689598a4bdrawImage(); }); gdv_69af689598a4bresetZoomButton.addEventListener("click", function() { gdv_69af689598a4brotationAngle = 0; gdv_69af689598a4bfitImageToCanvas(); gdv_69af689598a4bdrawImage(); }); function gdv_69af689598a4bgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69af689598a4bdownloadImage").addEventListener("click", function() { let url = gdv_69af689598a4bcurrentImage.src; const imageId = gdv_69af689598a4bgetImageIdFromUrl(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_69af689598a4bprintImageFromApi(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_69af689598a4bprintButton = document.getElementById("gdv_69af689598a4bprintCanvas");
gdv_69af689598a4bprintButton.addEventListener("click", function() { let url = gdv_69af689598a4bcurrentImage.src; const imageId = gdv_69af689598a4bgetImageIdFromUrl(url); gdv_69af689598a4bprintImageFromApi(imageId); });
let gdv_69af689598a4binitialDistance = 0; let gdv_69af689598a4binitialScale = 1;
gdv_69af689598a4bcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69af689598a4binitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69af689598a4binitialScale = gdv_69af689598a4bscale; } });
gdv_69af689598a4bcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69af689598a4binitialDistance; let newScale = gdv_69af689598a4binitialScale * scaleChange;
newScale = Math.max(gdv_69af689598a4bminScale, Math.min(gdv_69af689598a4bmaxScale, 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_69af689598a4bscale; gdv_69af689598a4boriginX = centerX - (centerX - gdv_69af689598a4boriginX) * scaleRatio; gdv_69af689598a4boriginY = centerY - (centerY - gdv_69af689598a4boriginY) * scaleRatio;
gdv_69af689598a4bscale = newScale; gdv_69af689598a4bdrawImage(); // 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); }