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const gdv_69b2a89ebfd7acanvas = document.getElementById("gdv_69b2a89ebfd7aimageCanvas"); const gdv_69b2a89ebfd7actx = gdv_69b2a89ebfd7acanvas.getContext("2d");
const gdv_69b2a89ebfd7athumbnailContainer = document.getElementById("gdv_69b2a89ebfd7athumbnailContainer"); const gdv_69b2a89ebfd7athumbnailContainerWrapper = document.getElementById("gdv_69b2a89ebfd7athumbnailContainerWrapper"); const gdv_69b2a89ebfd7azoomInButton = document.getElementById("gdv_69b2a89ebfd7azoomIn"); const gdv_69b2a89ebfd7azoomOutButton = document.getElementById("gdv_69b2a89ebfd7azoomOut"); const gdv_69b2a89ebfd7aresetZoomButton = document.getElementById("gdv_69b2a89ebfd7aresetZoom");
const gdv_69b2a89ebfd7abrightnessInput = document.getElementById("gdv_69b2a89ebfd7abrightness"); const gdv_69b2a89ebfd7acontrastInput = document.getElementById("gdv_69b2a89ebfd7acontrast"); const gdv_69b2a89ebfd7afullscreenButton = document.getElementById("gdv_69b2a89ebfd7afullscreen");
const gdv_69b2a89ebfd7arotateRightButton = document.getElementById("gdv_69b2a89ebfd7arotateRight"); const gdv_69b2a89ebfd7arotateLeftButton = document.getElementById("gdv_69b2a89ebfd7arotateLeft");
const gdv_69b2a89ebfd7aprevSlideButton = document.getElementById("gdv_69b2a89ebfd7aprevSlide"); const gdv_69b2a89ebfd7anextSlideButton = document.getElementById("gdv_69b2a89ebfd7anextSlide"); const gdv_69b2a89ebfd7aslideNumberDisplay = document.getElementById("gdv_69b2a89ebfd7aslideNumber"); const gdv_69b2a89ebfd7aimageName = document.getElementById("gdv_69b2a89ebfd7aimageName");
let gdv_69b2a89ebfd7acurrentSlideIndex = 0;
gdv_69b2a89ebfd7abrightnessInput.addEventListener("input", gdv_69b2a89ebfd7adrawImage); gdv_69b2a89ebfd7acontrastInput.addEventListener("input", gdv_69b2a89ebfd7adrawImage);
const gdv_69b2a89ebfd7aimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1F8IsIrRBO4KTP2lqjkU-Lhy844YQiqAd&sz=w3000","name":"ComCivils_Proclamation sur les re\u0301volte\u0301s.jpg"}];
let gdv_69b2a89ebfd7ascale = 1; let gdv_69b2a89ebfd7aoriginX = 0; let gdv_69b2a89ebfd7aoriginY = 0; const gdv_69b2a89ebfd7aminScale = 0.1; const gdv_69b2a89ebfd7amaxScale = 5; let gdv_69b2a89ebfd7acurrentImage = new Image();
let gdv_69b2a89ebfd7arotationAngle = 0;
gdv_69b2a89ebfd7arotateRightButton.addEventListener("click", function() { gdv_69b2a89ebfd7arotationAngle = (gdv_69b2a89ebfd7arotationAngle + 90) % 360; gdv_69b2a89ebfd7adrawImage(); });
gdv_69b2a89ebfd7arotateLeftButton.addEventListener("click", function() { gdv_69b2a89ebfd7arotationAngle = (gdv_69b2a89ebfd7arotationAngle - 90 + 360) % 360; gdv_69b2a89ebfd7adrawImage(); });
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_69b2a89ebfd7acurrentImage.src = gdv_69b2a89ebfd7aimageUrls[0]["url"]; gdv_69b2a89ebfd7aimageName.innerHTML = filtrerChaine(gdv_69b2a89ebfd7aimageUrls[0]["name"], "rien"); gdv_69b2a89ebfd7acurrentImage.onload = function() {
gdv_69b2a89ebfd7aupdateSlideNumber(); gdv_69b2a89ebfd7aresizeCanvas(); gdv_69b2a89ebfd7adrawImage(); document.getElementById("gdv_69b2a89ebfd7acontrols").style.display = "block"; };
function gdv_69b2a89ebfd7aupdateSlideNumber() { gdv_69b2a89ebfd7aslideNumberDisplay.textContent = `${gdv_69b2a89ebfd7acurrentSlideIndex + 1} / ${gdv_69b2a89ebfd7aimageUrls.length}`; }
gdv_69b2a89ebfd7aprevSlideButton.addEventListener("click", function() { if (gdv_69b2a89ebfd7acurrentSlideIndex > 0) { gdv_69b2a89ebfd7acurrentSlideIndex--; gdv_69b2a89ebfd7aloadImage(gdv_69b2a89ebfd7acurrentSlideIndex); gdv_69b2a89ebfd7aupdateSlideNumber(); } });
gdv_69b2a89ebfd7anextSlideButton.addEventListener("click", function() { if (gdv_69b2a89ebfd7acurrentSlideIndex < gdv_69b2a89ebfd7aimageUrls.length - 1) { gdv_69b2a89ebfd7acurrentSlideIndex++; gdv_69b2a89ebfd7aloadImage(gdv_69b2a89ebfd7acurrentSlideIndex); gdv_69b2a89ebfd7aupdateSlideNumber(); } }); function gdv_69b2a89ebfd7aresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69b2a89ebfd7acanvasContainer"); gdv_69b2a89ebfd7acanvas.width = container.clientWidth; gdv_69b2a89ebfd7acanvas.height = container.clientHeight - 30; gdv_69b2a89ebfd7afitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69b2a89ebfd7adrawImage(); } window.addEventListener("load", gdv_69b2a89ebfd7aresizeCanvas); window.addEventListener("resize", gdv_69b2a89ebfd7aresizeCanvas); function gdv_69b2a89ebfd7afitImageToCanvas() { const canvasAspect = gdv_69b2a89ebfd7acanvas.width / gdv_69b2a89ebfd7acanvas.height; const imageAspect = gdv_69b2a89ebfd7acurrentImage.width / gdv_69b2a89ebfd7acurrentImage.height; if (imageAspect > canvasAspect) { gdv_69b2a89ebfd7ascale = gdv_69b2a89ebfd7acanvas.width / gdv_69b2a89ebfd7acurrentImage.width; } else { gdv_69b2a89ebfd7ascale = gdv_69b2a89ebfd7acanvas.height / gdv_69b2a89ebfd7acurrentImage.height; } gdv_69b2a89ebfd7aoriginX = gdv_69b2a89ebfd7acanvas.width / 2; gdv_69b2a89ebfd7aoriginY = gdv_69b2a89ebfd7acanvas.height / 2; }
function gdv_69b2a89ebfd7adrawImage() { gdv_69b2a89ebfd7actx.clearRect(0, 0, gdv_69b2a89ebfd7acanvas.width, gdv_69b2a89ebfd7acanvas.height); gdv_69b2a89ebfd7actx.save(); gdv_69b2a89ebfd7actx.translate(gdv_69b2a89ebfd7aoriginX, gdv_69b2a89ebfd7aoriginY); gdv_69b2a89ebfd7actx.rotate((Math.PI / 180) * gdv_69b2a89ebfd7arotationAngle); gdv_69b2a89ebfd7actx.scale(gdv_69b2a89ebfd7ascale, gdv_69b2a89ebfd7ascale);
// Appliquer la luminosité et le contraste gdv_69b2a89ebfd7actx.filter = `brightness(${gdv_69b2a89ebfd7abrightnessInput.value}) contrast(${gdv_69b2a89ebfd7acontrastInput.value})`; gdv_69b2a89ebfd7actx.drawImage(gdv_69b2a89ebfd7acurrentImage, -gdv_69b2a89ebfd7acurrentImage.width/2, -gdv_69b2a89ebfd7acurrentImage.height/2); gdv_69b2a89ebfd7actx.restore(); }
// Ajouter les miniatures des images gdv_69b2a89ebfd7aimageUrls.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_69b2a89ebfd7aloadImage(index); gdv_69b2a89ebfd7acurrentSlideIndex = index; gdv_69b2a89ebfd7aupdateSlideNumber(); }; slide.appendChild(img); gdv_69b2a89ebfd7athumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69b2a89ebfd7aloadImage(index) { gdv_69b2a89ebfd7acurrentImage.src = gdv_69b2a89ebfd7aimageUrls[index]["url"]; gdv_69b2a89ebfd7aimageName.innerHTML = filtrerChaine(gdv_69b2a89ebfd7aimageUrls[index]["name"], "rien"); gdv_69b2a89ebfd7acurrentImage.onload = function() { gdv_69b2a89ebfd7ascale = 1; gdv_69b2a89ebfd7aoriginX = 0; gdv_69b2a89ebfd7aoriginY = 0; gdv_69b2a89ebfd7afitImageToCanvas(); gdv_69b2a89ebfd7adrawImage(); };
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_69b2a89ebfd7aswiper = new Swiper(".gdv_69b2a89ebfd7aswiper-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_69b2a89ebfd7aswiper.on("slideChange", function () { // gdv_69b2a89ebfd7acurrentSlideIndex = gdv_69b2a89ebfd7aswiper.activeIndex; // gdv_69b2a89ebfd7aupdateSlideNumber(); //});
// Plein écran gdv_69b2a89ebfd7afullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69b2a89ebfd7agd-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_69b2a89ebfd7acanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69b2a89ebfd7ascale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69b2a89ebfd7aminScale, Math.min(gdv_69b2a89ebfd7amaxScale, newScale)); const scaleRatio = newScale / gdv_69b2a89ebfd7ascale; gdv_69b2a89ebfd7aoriginX = mouseX - (mouseX - gdv_69b2a89ebfd7aoriginX) * scaleRatio; gdv_69b2a89ebfd7aoriginY = mouseY - (mouseY - gdv_69b2a89ebfd7aoriginY) * scaleRatio; gdv_69b2a89ebfd7ascale = newScale; gdv_69b2a89ebfd7adrawImage(); }); // Gestion du déplacement (pan) let gdv_69b2a89ebfd7aisDragging = false; let gdv_69b2a89ebfd7astartX, gdv_69b2a89ebfd7astartY; gdv_69b2a89ebfd7acanvas.addEventListener("mousedown", function(event) { gdv_69b2a89ebfd7aisDragging = true; gdv_69b2a89ebfd7astartX = event.offsetX - gdv_69b2a89ebfd7aoriginX; gdv_69b2a89ebfd7astartY = event.offsetY - gdv_69b2a89ebfd7aoriginY; gdv_69b2a89ebfd7acanvas.style.cursor = "grabbing"; }); gdv_69b2a89ebfd7acanvas.addEventListener("mousemove", function(event) { if (gdv_69b2a89ebfd7aisDragging) { gdv_69b2a89ebfd7aoriginX = event.offsetX - gdv_69b2a89ebfd7astartX; gdv_69b2a89ebfd7aoriginY = event.offsetY - gdv_69b2a89ebfd7astartY; gdv_69b2a89ebfd7adrawImage(); } }); // Gestion des événements tactiles gdv_69b2a89ebfd7acanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69b2a89ebfd7aisDragging = true; const touch = event.touches[0]; gdv_69b2a89ebfd7astartX = touch.pageX - gdv_69b2a89ebfd7aoriginX; gdv_69b2a89ebfd7astartY = touch.pageY - gdv_69b2a89ebfd7aoriginY; } }); gdv_69b2a89ebfd7acanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69b2a89ebfd7aoriginX = touch.pageX - gdv_69b2a89ebfd7astartX; gdv_69b2a89ebfd7aoriginY = touch.pageY - gdv_69b2a89ebfd7astartY; gdv_69b2a89ebfd7adrawImage(); }); gdv_69b2a89ebfd7acanvas.addEventListener("touchend", function() { gdv_69b2a89ebfd7aisDragging = false; }); gdv_69b2a89ebfd7acanvas.addEventListener("mouseup", function() { gdv_69b2a89ebfd7aisDragging = false; gdv_69b2a89ebfd7acanvas.style.cursor = "grab"; }); gdv_69b2a89ebfd7acanvas.addEventListener("mouseleave", function() { gdv_69b2a89ebfd7aisDragging = false; gdv_69b2a89ebfd7acanvas.style.cursor = "grab"; }); gdv_69b2a89ebfd7azoomInButton.addEventListener("click", function() { let newScale = gdv_69b2a89ebfd7ascale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69b2a89ebfd7ascale = Math.max(gdv_69b2a89ebfd7aminScale, Math.min(gdv_69b2a89ebfd7amaxScale, newScale)); gdv_69b2a89ebfd7adrawImage(); }); gdv_69b2a89ebfd7azoomOutButton.addEventListener("click", function() { let newScale = gdv_69b2a89ebfd7ascale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69b2a89ebfd7ascale = Math.max(gdv_69b2a89ebfd7aminScale, Math.min(gdv_69b2a89ebfd7amaxScale, newScale)); gdv_69b2a89ebfd7adrawImage(); }); gdv_69b2a89ebfd7aresetZoomButton.addEventListener("click", function() { gdv_69b2a89ebfd7arotationAngle = 0; gdv_69b2a89ebfd7afitImageToCanvas(); gdv_69b2a89ebfd7adrawImage(); }); function gdv_69b2a89ebfd7agetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69b2a89ebfd7adownloadImage").addEventListener("click", function() { let url = gdv_69b2a89ebfd7acurrentImage.src; const imageId = gdv_69b2a89ebfd7agetImageIdFromUrl(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_69b2a89ebfd7aprintImageFromApi(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_69b2a89ebfd7aprintButton = document.getElementById("gdv_69b2a89ebfd7aprintCanvas");
gdv_69b2a89ebfd7aprintButton.addEventListener("click", function() { let url = gdv_69b2a89ebfd7acurrentImage.src; const imageId = gdv_69b2a89ebfd7agetImageIdFromUrl(url); gdv_69b2a89ebfd7aprintImageFromApi(imageId); });
let gdv_69b2a89ebfd7ainitialDistance = 0; let gdv_69b2a89ebfd7ainitialScale = 1;
gdv_69b2a89ebfd7acanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69b2a89ebfd7ainitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69b2a89ebfd7ainitialScale = gdv_69b2a89ebfd7ascale; } });
gdv_69b2a89ebfd7acanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69b2a89ebfd7ainitialDistance; let newScale = gdv_69b2a89ebfd7ainitialScale * scaleChange;
newScale = Math.max(gdv_69b2a89ebfd7aminScale, Math.min(gdv_69b2a89ebfd7amaxScale, 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_69b2a89ebfd7ascale; gdv_69b2a89ebfd7aoriginX = centerX - (centerX - gdv_69b2a89ebfd7aoriginX) * scaleRatio; gdv_69b2a89ebfd7aoriginY = centerY - (centerY - gdv_69b2a89ebfd7aoriginY) * scaleRatio;
gdv_69b2a89ebfd7ascale = newScale; gdv_69b2a89ebfd7adrawImage(); // 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); }