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const gdv_684d859214b3acanvas = document.getElementById("gdv_684d859214b3aimageCanvas"); const gdv_684d859214b3actx = gdv_684d859214b3acanvas.getContext("2d");
const gdv_684d859214b3athumbnailContainer = document.getElementById("gdv_684d859214b3athumbnailContainer"); const gdv_684d859214b3athumbnailContainerWrapper = document.getElementById("gdv_684d859214b3athumbnailContainerWrapper"); const gdv_684d859214b3azoomInButton = document.getElementById("gdv_684d859214b3azoomIn"); const gdv_684d859214b3azoomOutButton = document.getElementById("gdv_684d859214b3azoomOut"); const gdv_684d859214b3aresetZoomButton = document.getElementById("gdv_684d859214b3aresetZoom");
const gdv_684d859214b3abrightnessInput = document.getElementById("gdv_684d859214b3abrightness"); const gdv_684d859214b3acontrastInput = document.getElementById("gdv_684d859214b3acontrast"); const gdv_684d859214b3afullscreenButton = document.getElementById("gdv_684d859214b3afullscreen");
const gdv_684d859214b3arotateRightButton = document.getElementById("gdv_684d859214b3arotateRight"); const gdv_684d859214b3arotateLeftButton = document.getElementById("gdv_684d859214b3arotateLeft");
const gdv_684d859214b3aprevSlideButton = document.getElementById("gdv_684d859214b3aprevSlide"); const gdv_684d859214b3anextSlideButton = document.getElementById("gdv_684d859214b3anextSlide"); const gdv_684d859214b3aslideNumberDisplay = document.getElementById("gdv_684d859214b3aslideNumber"); const gdv_684d859214b3aimageName = document.getElementById("gdv_684d859214b3aimageName");
let gdv_684d859214b3acurrentSlideIndex = 0;
gdv_684d859214b3abrightnessInput.addEventListener("input", gdv_684d859214b3adrawImage); gdv_684d859214b3acontrastInput.addEventListener("input", gdv_684d859214b3adrawImage);
const gdv_684d859214b3aimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1TfoGnl1dK0DMYAw44K87vq4Ys3pGzRPP&sz=w3000","name":"EPOL et LFS_ Interdiction de la Croix de Saint-Louis.jpg"}];
let gdv_684d859214b3ascale = 1; let gdv_684d859214b3aoriginX = 0; let gdv_684d859214b3aoriginY = 0; const gdv_684d859214b3aminScale = 0.1; const gdv_684d859214b3amaxScale = 5; let gdv_684d859214b3acurrentImage = new Image();
let gdv_684d859214b3arotationAngle = 0;
gdv_684d859214b3arotateRightButton.addEventListener("click", function() { gdv_684d859214b3arotationAngle = (gdv_684d859214b3arotationAngle + 90) % 360; gdv_684d859214b3adrawImage(); });
gdv_684d859214b3arotateLeftButton.addEventListener("click", function() { gdv_684d859214b3arotationAngle = (gdv_684d859214b3arotationAngle - 90 + 360) % 360; gdv_684d859214b3adrawImage(); });
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_684d859214b3acurrentImage.src = gdv_684d859214b3aimageUrls[0]["url"]; gdv_684d859214b3aimageName.innerHTML = filtrerChaine(gdv_684d859214b3aimageUrls[0]["name"], "rien"); gdv_684d859214b3acurrentImage.onload = function() {
gdv_684d859214b3aupdateSlideNumber(); gdv_684d859214b3aresizeCanvas(); gdv_684d859214b3adrawImage(); document.getElementById("gdv_684d859214b3acontrols").style.display = "block"; };
function gdv_684d859214b3aupdateSlideNumber() { gdv_684d859214b3aslideNumberDisplay.textContent = `${gdv_684d859214b3acurrentSlideIndex + 1} / ${gdv_684d859214b3aimageUrls.length}`; }
gdv_684d859214b3aprevSlideButton.addEventListener("click", function() { if (gdv_684d859214b3acurrentSlideIndex > 0) { gdv_684d859214b3acurrentSlideIndex--; gdv_684d859214b3aloadImage(gdv_684d859214b3acurrentSlideIndex); gdv_684d859214b3aupdateSlideNumber(); } });
gdv_684d859214b3anextSlideButton.addEventListener("click", function() { if (gdv_684d859214b3acurrentSlideIndex < gdv_684d859214b3aimageUrls.length - 1) { gdv_684d859214b3acurrentSlideIndex++; gdv_684d859214b3aloadImage(gdv_684d859214b3acurrentSlideIndex); gdv_684d859214b3aupdateSlideNumber(); } }); function gdv_684d859214b3aresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_684d859214b3acanvasContainer"); gdv_684d859214b3acanvas.width = container.clientWidth; gdv_684d859214b3acanvas.height = container.clientHeight - 30; gdv_684d859214b3afitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_684d859214b3adrawImage(); } window.addEventListener("load", gdv_684d859214b3aresizeCanvas); window.addEventListener("resize", gdv_684d859214b3aresizeCanvas); function gdv_684d859214b3afitImageToCanvas() { const canvasAspect = gdv_684d859214b3acanvas.width / gdv_684d859214b3acanvas.height; const imageAspect = gdv_684d859214b3acurrentImage.width / gdv_684d859214b3acurrentImage.height; if (imageAspect > canvasAspect) { gdv_684d859214b3ascale = gdv_684d859214b3acanvas.width / gdv_684d859214b3acurrentImage.width; } else { gdv_684d859214b3ascale = gdv_684d859214b3acanvas.height / gdv_684d859214b3acurrentImage.height; } gdv_684d859214b3aoriginX = gdv_684d859214b3acanvas.width / 2; gdv_684d859214b3aoriginY = gdv_684d859214b3acanvas.height / 2; }
function gdv_684d859214b3adrawImage() { gdv_684d859214b3actx.clearRect(0, 0, gdv_684d859214b3acanvas.width, gdv_684d859214b3acanvas.height); gdv_684d859214b3actx.save(); gdv_684d859214b3actx.translate(gdv_684d859214b3aoriginX, gdv_684d859214b3aoriginY); gdv_684d859214b3actx.rotate((Math.PI / 180) * gdv_684d859214b3arotationAngle); gdv_684d859214b3actx.scale(gdv_684d859214b3ascale, gdv_684d859214b3ascale);
// Appliquer la luminosité et le contraste gdv_684d859214b3actx.filter = `brightness(${gdv_684d859214b3abrightnessInput.value}) contrast(${gdv_684d859214b3acontrastInput.value})`; gdv_684d859214b3actx.drawImage(gdv_684d859214b3acurrentImage, -gdv_684d859214b3acurrentImage.width/2, -gdv_684d859214b3acurrentImage.height/2); gdv_684d859214b3actx.restore(); }
// Ajouter les miniatures des images gdv_684d859214b3aimageUrls.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_684d859214b3aloadImage(index); gdv_684d859214b3acurrentSlideIndex = index; gdv_684d859214b3aupdateSlideNumber(); }; slide.appendChild(img); gdv_684d859214b3athumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_684d859214b3aloadImage(index) { gdv_684d859214b3acurrentImage.src = gdv_684d859214b3aimageUrls[index]["url"]; gdv_684d859214b3aimageName.innerHTML = filtrerChaine(gdv_684d859214b3aimageUrls[index]["name"], "rien"); gdv_684d859214b3acurrentImage.onload = function() { gdv_684d859214b3ascale = 1; gdv_684d859214b3aoriginX = 0; gdv_684d859214b3aoriginY = 0; gdv_684d859214b3afitImageToCanvas(); gdv_684d859214b3adrawImage(); };
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_684d859214b3aswiper = new Swiper(".gdv_684d859214b3aswiper-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_684d859214b3aswiper.on("slideChange", function () { // gdv_684d859214b3acurrentSlideIndex = gdv_684d859214b3aswiper.activeIndex; // gdv_684d859214b3aupdateSlideNumber(); //});
// Plein écran gdv_684d859214b3afullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_684d859214b3agd-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_684d859214b3acanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_684d859214b3ascale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_684d859214b3aminScale, Math.min(gdv_684d859214b3amaxScale, newScale)); const scaleRatio = newScale / gdv_684d859214b3ascale; gdv_684d859214b3aoriginX = mouseX - (mouseX - gdv_684d859214b3aoriginX) * scaleRatio; gdv_684d859214b3aoriginY = mouseY - (mouseY - gdv_684d859214b3aoriginY) * scaleRatio; gdv_684d859214b3ascale = newScale; gdv_684d859214b3adrawImage(); }); // Gestion du déplacement (pan) let gdv_684d859214b3aisDragging = false; let gdv_684d859214b3astartX, gdv_684d859214b3astartY; gdv_684d859214b3acanvas.addEventListener("mousedown", function(event) { gdv_684d859214b3aisDragging = true; gdv_684d859214b3astartX = event.offsetX - gdv_684d859214b3aoriginX; gdv_684d859214b3astartY = event.offsetY - gdv_684d859214b3aoriginY; gdv_684d859214b3acanvas.style.cursor = "grabbing"; }); gdv_684d859214b3acanvas.addEventListener("mousemove", function(event) { if (gdv_684d859214b3aisDragging) { gdv_684d859214b3aoriginX = event.offsetX - gdv_684d859214b3astartX; gdv_684d859214b3aoriginY = event.offsetY - gdv_684d859214b3astartY; gdv_684d859214b3adrawImage(); } }); // Gestion des événements tactiles gdv_684d859214b3acanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_684d859214b3aisDragging = true; const touch = event.touches[0]; gdv_684d859214b3astartX = touch.pageX - gdv_684d859214b3aoriginX; gdv_684d859214b3astartY = touch.pageY - gdv_684d859214b3aoriginY; } }); gdv_684d859214b3acanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_684d859214b3aoriginX = touch.pageX - gdv_684d859214b3astartX; gdv_684d859214b3aoriginY = touch.pageY - gdv_684d859214b3astartY; gdv_684d859214b3adrawImage(); }); gdv_684d859214b3acanvas.addEventListener("touchend", function() { gdv_684d859214b3aisDragging = false; }); gdv_684d859214b3acanvas.addEventListener("mouseup", function() { gdv_684d859214b3aisDragging = false; gdv_684d859214b3acanvas.style.cursor = "grab"; }); gdv_684d859214b3acanvas.addEventListener("mouseleave", function() { gdv_684d859214b3aisDragging = false; gdv_684d859214b3acanvas.style.cursor = "grab"; }); gdv_684d859214b3azoomInButton.addEventListener("click", function() { let newScale = gdv_684d859214b3ascale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_684d859214b3ascale = Math.max(gdv_684d859214b3aminScale, Math.min(gdv_684d859214b3amaxScale, newScale)); gdv_684d859214b3adrawImage(); }); gdv_684d859214b3azoomOutButton.addEventListener("click", function() { let newScale = gdv_684d859214b3ascale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_684d859214b3ascale = Math.max(gdv_684d859214b3aminScale, Math.min(gdv_684d859214b3amaxScale, newScale)); gdv_684d859214b3adrawImage(); }); gdv_684d859214b3aresetZoomButton.addEventListener("click", function() { gdv_684d859214b3arotationAngle = 0; gdv_684d859214b3afitImageToCanvas(); gdv_684d859214b3adrawImage(); }); function gdv_684d859214b3agetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_684d859214b3adownloadImage").addEventListener("click", function() { let url = gdv_684d859214b3acurrentImage.src; const imageId = gdv_684d859214b3agetImageIdFromUrl(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_684d859214b3aprintImageFromApi(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_684d859214b3aprintButton = document.getElementById("gdv_684d859214b3aprintCanvas");
gdv_684d859214b3aprintButton.addEventListener("click", function() { let url = gdv_684d859214b3acurrentImage.src; const imageId = gdv_684d859214b3agetImageIdFromUrl(url); gdv_684d859214b3aprintImageFromApi(imageId); });
let gdv_684d859214b3ainitialDistance = 0; let gdv_684d859214b3ainitialScale = 1;
gdv_684d859214b3acanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_684d859214b3ainitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_684d859214b3ainitialScale = gdv_684d859214b3ascale; } });
gdv_684d859214b3acanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_684d859214b3ainitialDistance; let newScale = gdv_684d859214b3ainitialScale * scaleChange;
newScale = Math.max(gdv_684d859214b3aminScale, Math.min(gdv_684d859214b3amaxScale, 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_684d859214b3ascale; gdv_684d859214b3aoriginX = centerX - (centerX - gdv_684d859214b3aoriginX) * scaleRatio; gdv_684d859214b3aoriginY = centerY - (centerY - gdv_684d859214b3aoriginY) * scaleRatio;
gdv_684d859214b3ascale = newScale; gdv_684d859214b3adrawImage(); // 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); }