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const gdv_69ba8772a752acanvas = document.getElementById("gdv_69ba8772a752aimageCanvas"); const gdv_69ba8772a752actx = gdv_69ba8772a752acanvas.getContext("2d");
const gdv_69ba8772a752athumbnailContainer = document.getElementById("gdv_69ba8772a752athumbnailContainer"); const gdv_69ba8772a752athumbnailContainerWrapper = document.getElementById("gdv_69ba8772a752athumbnailContainerWrapper"); const gdv_69ba8772a752azoomInButton = document.getElementById("gdv_69ba8772a752azoomIn"); const gdv_69ba8772a752azoomOutButton = document.getElementById("gdv_69ba8772a752azoomOut"); const gdv_69ba8772a752aresetZoomButton = document.getElementById("gdv_69ba8772a752aresetZoom");
const gdv_69ba8772a752abrightnessInput = document.getElementById("gdv_69ba8772a752abrightness"); const gdv_69ba8772a752acontrastInput = document.getElementById("gdv_69ba8772a752acontrast"); const gdv_69ba8772a752afullscreenButton = document.getElementById("gdv_69ba8772a752afullscreen");
const gdv_69ba8772a752arotateRightButton = document.getElementById("gdv_69ba8772a752arotateRight"); const gdv_69ba8772a752arotateLeftButton = document.getElementById("gdv_69ba8772a752arotateLeft");
const gdv_69ba8772a752aprevSlideButton = document.getElementById("gdv_69ba8772a752aprevSlide"); const gdv_69ba8772a752anextSlideButton = document.getElementById("gdv_69ba8772a752anextSlide"); const gdv_69ba8772a752aslideNumberDisplay = document.getElementById("gdv_69ba8772a752aslideNumber"); const gdv_69ba8772a752aimageName = document.getElementById("gdv_69ba8772a752aimageName");
let gdv_69ba8772a752acurrentSlideIndex = 0;
gdv_69ba8772a752abrightnessInput.addEventListener("input", gdv_69ba8772a752adrawImage); gdv_69ba8772a752acontrastInput.addEventListener("input", gdv_69ba8772a752adrawImage);
const gdv_69ba8772a752aimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1VfXl7VEvL9uljoG9ZQMTBAQcal3feNfg&sz=w3000","name":"Sonthonax aux hommes libres, soldats et matelots de l'expe\u0301dition.jpg"}];
let gdv_69ba8772a752ascale = 1; let gdv_69ba8772a752aoriginX = 0; let gdv_69ba8772a752aoriginY = 0; const gdv_69ba8772a752aminScale = 0.1; const gdv_69ba8772a752amaxScale = 5; let gdv_69ba8772a752acurrentImage = new Image();
let gdv_69ba8772a752arotationAngle = 0;
gdv_69ba8772a752arotateRightButton.addEventListener("click", function() { gdv_69ba8772a752arotationAngle = (gdv_69ba8772a752arotationAngle + 90) % 360; gdv_69ba8772a752adrawImage(); });
gdv_69ba8772a752arotateLeftButton.addEventListener("click", function() { gdv_69ba8772a752arotationAngle = (gdv_69ba8772a752arotationAngle - 90 + 360) % 360; gdv_69ba8772a752adrawImage(); });
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_69ba8772a752acurrentImage.src = gdv_69ba8772a752aimageUrls[0]["url"]; gdv_69ba8772a752aimageName.innerHTML = filtrerChaine(gdv_69ba8772a752aimageUrls[0]["name"], "rien"); gdv_69ba8772a752acurrentImage.onload = function() {
gdv_69ba8772a752aupdateSlideNumber(); gdv_69ba8772a752aresizeCanvas(); gdv_69ba8772a752adrawImage(); document.getElementById("gdv_69ba8772a752acontrols").style.display = "block"; };
function gdv_69ba8772a752aupdateSlideNumber() { gdv_69ba8772a752aslideNumberDisplay.textContent = `${gdv_69ba8772a752acurrentSlideIndex + 1} / ${gdv_69ba8772a752aimageUrls.length}`; }
gdv_69ba8772a752aprevSlideButton.addEventListener("click", function() { if (gdv_69ba8772a752acurrentSlideIndex > 0) { gdv_69ba8772a752acurrentSlideIndex--; gdv_69ba8772a752aloadImage(gdv_69ba8772a752acurrentSlideIndex); gdv_69ba8772a752aupdateSlideNumber(); } });
gdv_69ba8772a752anextSlideButton.addEventListener("click", function() { if (gdv_69ba8772a752acurrentSlideIndex < gdv_69ba8772a752aimageUrls.length - 1) { gdv_69ba8772a752acurrentSlideIndex++; gdv_69ba8772a752aloadImage(gdv_69ba8772a752acurrentSlideIndex); gdv_69ba8772a752aupdateSlideNumber(); } }); function gdv_69ba8772a752aresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69ba8772a752acanvasContainer"); gdv_69ba8772a752acanvas.width = container.clientWidth; gdv_69ba8772a752acanvas.height = container.clientHeight - 30; gdv_69ba8772a752afitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69ba8772a752adrawImage(); } window.addEventListener("load", gdv_69ba8772a752aresizeCanvas); window.addEventListener("resize", gdv_69ba8772a752aresizeCanvas); function gdv_69ba8772a752afitImageToCanvas() { const canvasAspect = gdv_69ba8772a752acanvas.width / gdv_69ba8772a752acanvas.height; const imageAspect = gdv_69ba8772a752acurrentImage.width / gdv_69ba8772a752acurrentImage.height; if (imageAspect > canvasAspect) { gdv_69ba8772a752ascale = gdv_69ba8772a752acanvas.width / gdv_69ba8772a752acurrentImage.width; } else { gdv_69ba8772a752ascale = gdv_69ba8772a752acanvas.height / gdv_69ba8772a752acurrentImage.height; } gdv_69ba8772a752aoriginX = gdv_69ba8772a752acanvas.width / 2; gdv_69ba8772a752aoriginY = gdv_69ba8772a752acanvas.height / 2; }
function gdv_69ba8772a752adrawImage() { gdv_69ba8772a752actx.clearRect(0, 0, gdv_69ba8772a752acanvas.width, gdv_69ba8772a752acanvas.height); gdv_69ba8772a752actx.save(); gdv_69ba8772a752actx.translate(gdv_69ba8772a752aoriginX, gdv_69ba8772a752aoriginY); gdv_69ba8772a752actx.rotate((Math.PI / 180) * gdv_69ba8772a752arotationAngle); gdv_69ba8772a752actx.scale(gdv_69ba8772a752ascale, gdv_69ba8772a752ascale);
// Appliquer la luminosité et le contraste gdv_69ba8772a752actx.filter = `brightness(${gdv_69ba8772a752abrightnessInput.value}) contrast(${gdv_69ba8772a752acontrastInput.value})`; gdv_69ba8772a752actx.drawImage(gdv_69ba8772a752acurrentImage, -gdv_69ba8772a752acurrentImage.width/2, -gdv_69ba8772a752acurrentImage.height/2); gdv_69ba8772a752actx.restore(); }
// Ajouter les miniatures des images gdv_69ba8772a752aimageUrls.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_69ba8772a752aloadImage(index); gdv_69ba8772a752acurrentSlideIndex = index; gdv_69ba8772a752aupdateSlideNumber(); }; slide.appendChild(img); gdv_69ba8772a752athumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69ba8772a752aloadImage(index) { gdv_69ba8772a752acurrentImage.src = gdv_69ba8772a752aimageUrls[index]["url"]; gdv_69ba8772a752aimageName.innerHTML = filtrerChaine(gdv_69ba8772a752aimageUrls[index]["name"], "rien"); gdv_69ba8772a752acurrentImage.onload = function() { gdv_69ba8772a752ascale = 1; gdv_69ba8772a752aoriginX = 0; gdv_69ba8772a752aoriginY = 0; gdv_69ba8772a752afitImageToCanvas(); gdv_69ba8772a752adrawImage(); };
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_69ba8772a752aswiper = new Swiper(".gdv_69ba8772a752aswiper-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_69ba8772a752aswiper.on("slideChange", function () { // gdv_69ba8772a752acurrentSlideIndex = gdv_69ba8772a752aswiper.activeIndex; // gdv_69ba8772a752aupdateSlideNumber(); //});
// Plein écran gdv_69ba8772a752afullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69ba8772a752agd-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_69ba8772a752acanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69ba8772a752ascale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69ba8772a752aminScale, Math.min(gdv_69ba8772a752amaxScale, newScale)); const scaleRatio = newScale / gdv_69ba8772a752ascale; gdv_69ba8772a752aoriginX = mouseX - (mouseX - gdv_69ba8772a752aoriginX) * scaleRatio; gdv_69ba8772a752aoriginY = mouseY - (mouseY - gdv_69ba8772a752aoriginY) * scaleRatio; gdv_69ba8772a752ascale = newScale; gdv_69ba8772a752adrawImage(); }); // Gestion du déplacement (pan) let gdv_69ba8772a752aisDragging = false; let gdv_69ba8772a752astartX, gdv_69ba8772a752astartY; gdv_69ba8772a752acanvas.addEventListener("mousedown", function(event) { gdv_69ba8772a752aisDragging = true; gdv_69ba8772a752astartX = event.offsetX - gdv_69ba8772a752aoriginX; gdv_69ba8772a752astartY = event.offsetY - gdv_69ba8772a752aoriginY; gdv_69ba8772a752acanvas.style.cursor = "grabbing"; }); gdv_69ba8772a752acanvas.addEventListener("mousemove", function(event) { if (gdv_69ba8772a752aisDragging) { gdv_69ba8772a752aoriginX = event.offsetX - gdv_69ba8772a752astartX; gdv_69ba8772a752aoriginY = event.offsetY - gdv_69ba8772a752astartY; gdv_69ba8772a752adrawImage(); } }); // Gestion des événements tactiles gdv_69ba8772a752acanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69ba8772a752aisDragging = true; const touch = event.touches[0]; gdv_69ba8772a752astartX = touch.pageX - gdv_69ba8772a752aoriginX; gdv_69ba8772a752astartY = touch.pageY - gdv_69ba8772a752aoriginY; } }); gdv_69ba8772a752acanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69ba8772a752aoriginX = touch.pageX - gdv_69ba8772a752astartX; gdv_69ba8772a752aoriginY = touch.pageY - gdv_69ba8772a752astartY; gdv_69ba8772a752adrawImage(); }); gdv_69ba8772a752acanvas.addEventListener("touchend", function() { gdv_69ba8772a752aisDragging = false; }); gdv_69ba8772a752acanvas.addEventListener("mouseup", function() { gdv_69ba8772a752aisDragging = false; gdv_69ba8772a752acanvas.style.cursor = "grab"; }); gdv_69ba8772a752acanvas.addEventListener("mouseleave", function() { gdv_69ba8772a752aisDragging = false; gdv_69ba8772a752acanvas.style.cursor = "grab"; }); gdv_69ba8772a752azoomInButton.addEventListener("click", function() { let newScale = gdv_69ba8772a752ascale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69ba8772a752ascale = Math.max(gdv_69ba8772a752aminScale, Math.min(gdv_69ba8772a752amaxScale, newScale)); gdv_69ba8772a752adrawImage(); }); gdv_69ba8772a752azoomOutButton.addEventListener("click", function() { let newScale = gdv_69ba8772a752ascale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69ba8772a752ascale = Math.max(gdv_69ba8772a752aminScale, Math.min(gdv_69ba8772a752amaxScale, newScale)); gdv_69ba8772a752adrawImage(); }); gdv_69ba8772a752aresetZoomButton.addEventListener("click", function() { gdv_69ba8772a752arotationAngle = 0; gdv_69ba8772a752afitImageToCanvas(); gdv_69ba8772a752adrawImage(); }); function gdv_69ba8772a752agetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69ba8772a752adownloadImage").addEventListener("click", function() { let url = gdv_69ba8772a752acurrentImage.src; const imageId = gdv_69ba8772a752agetImageIdFromUrl(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_69ba8772a752aprintImageFromApi(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_69ba8772a752aprintButton = document.getElementById("gdv_69ba8772a752aprintCanvas");
gdv_69ba8772a752aprintButton.addEventListener("click", function() { let url = gdv_69ba8772a752acurrentImage.src; const imageId = gdv_69ba8772a752agetImageIdFromUrl(url); gdv_69ba8772a752aprintImageFromApi(imageId); });
let gdv_69ba8772a752ainitialDistance = 0; let gdv_69ba8772a752ainitialScale = 1;
gdv_69ba8772a752acanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69ba8772a752ainitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69ba8772a752ainitialScale = gdv_69ba8772a752ascale; } });
gdv_69ba8772a752acanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69ba8772a752ainitialDistance; let newScale = gdv_69ba8772a752ainitialScale * scaleChange;
newScale = Math.max(gdv_69ba8772a752aminScale, Math.min(gdv_69ba8772a752amaxScale, 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_69ba8772a752ascale; gdv_69ba8772a752aoriginX = centerX - (centerX - gdv_69ba8772a752aoriginX) * scaleRatio; gdv_69ba8772a752aoriginY = centerY - (centerY - gdv_69ba8772a752aoriginY) * scaleRatio;
gdv_69ba8772a752ascale = newScale; gdv_69ba8772a752adrawImage(); // 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); }