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const gdv_688b0e6f9110ccanvas = document.getElementById("gdv_688b0e6f9110cimageCanvas"); const gdv_688b0e6f9110cctx = gdv_688b0e6f9110ccanvas.getContext("2d");
const gdv_688b0e6f9110cthumbnailContainer = document.getElementById("gdv_688b0e6f9110cthumbnailContainer"); const gdv_688b0e6f9110cthumbnailContainerWrapper = document.getElementById("gdv_688b0e6f9110cthumbnailContainerWrapper"); const gdv_688b0e6f9110czoomInButton = document.getElementById("gdv_688b0e6f9110czoomIn"); const gdv_688b0e6f9110czoomOutButton = document.getElementById("gdv_688b0e6f9110czoomOut"); const gdv_688b0e6f9110cresetZoomButton = document.getElementById("gdv_688b0e6f9110cresetZoom");
const gdv_688b0e6f9110cbrightnessInput = document.getElementById("gdv_688b0e6f9110cbrightness"); const gdv_688b0e6f9110ccontrastInput = document.getElementById("gdv_688b0e6f9110ccontrast"); const gdv_688b0e6f9110cfullscreenButton = document.getElementById("gdv_688b0e6f9110cfullscreen");
const gdv_688b0e6f9110crotateRightButton = document.getElementById("gdv_688b0e6f9110crotateRight"); const gdv_688b0e6f9110crotateLeftButton = document.getElementById("gdv_688b0e6f9110crotateLeft");
const gdv_688b0e6f9110cprevSlideButton = document.getElementById("gdv_688b0e6f9110cprevSlide"); const gdv_688b0e6f9110cnextSlideButton = document.getElementById("gdv_688b0e6f9110cnextSlide"); const gdv_688b0e6f9110cslideNumberDisplay = document.getElementById("gdv_688b0e6f9110cslideNumber"); const gdv_688b0e6f9110cimageName = document.getElementById("gdv_688b0e6f9110cimageName");
let gdv_688b0e6f9110ccurrentSlideIndex = 0;
gdv_688b0e6f9110cbrightnessInput.addEventListener("input", gdv_688b0e6f9110cdrawImage); gdv_688b0e6f9110ccontrastInput.addEventListener("input", gdv_688b0e6f9110cdrawImage);
const gdv_688b0e6f9110cimageUrls = [{"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_688b0e6f9110cscale = 1; let gdv_688b0e6f9110coriginX = 0; let gdv_688b0e6f9110coriginY = 0; const gdv_688b0e6f9110cminScale = 0.1; const gdv_688b0e6f9110cmaxScale = 5; let gdv_688b0e6f9110ccurrentImage = new Image();
let gdv_688b0e6f9110crotationAngle = 0;
gdv_688b0e6f9110crotateRightButton.addEventListener("click", function() { gdv_688b0e6f9110crotationAngle = (gdv_688b0e6f9110crotationAngle + 90) % 360; gdv_688b0e6f9110cdrawImage(); });
gdv_688b0e6f9110crotateLeftButton.addEventListener("click", function() { gdv_688b0e6f9110crotationAngle = (gdv_688b0e6f9110crotationAngle - 90 + 360) % 360; gdv_688b0e6f9110cdrawImage(); });
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_688b0e6f9110ccurrentImage.src = gdv_688b0e6f9110cimageUrls[0]["url"]; gdv_688b0e6f9110cimageName.innerHTML = filtrerChaine(gdv_688b0e6f9110cimageUrls[0]["name"], "rien"); gdv_688b0e6f9110ccurrentImage.onload = function() {
gdv_688b0e6f9110cupdateSlideNumber(); gdv_688b0e6f9110cresizeCanvas(); gdv_688b0e6f9110cdrawImage(); document.getElementById("gdv_688b0e6f9110ccontrols").style.display = "block"; };
function gdv_688b0e6f9110cupdateSlideNumber() { gdv_688b0e6f9110cslideNumberDisplay.textContent = `${gdv_688b0e6f9110ccurrentSlideIndex + 1} / ${gdv_688b0e6f9110cimageUrls.length}`; }
gdv_688b0e6f9110cprevSlideButton.addEventListener("click", function() { if (gdv_688b0e6f9110ccurrentSlideIndex > 0) { gdv_688b0e6f9110ccurrentSlideIndex--; gdv_688b0e6f9110cloadImage(gdv_688b0e6f9110ccurrentSlideIndex); gdv_688b0e6f9110cupdateSlideNumber(); } });
gdv_688b0e6f9110cnextSlideButton.addEventListener("click", function() { if (gdv_688b0e6f9110ccurrentSlideIndex < gdv_688b0e6f9110cimageUrls.length - 1) { gdv_688b0e6f9110ccurrentSlideIndex++; gdv_688b0e6f9110cloadImage(gdv_688b0e6f9110ccurrentSlideIndex); gdv_688b0e6f9110cupdateSlideNumber(); } }); function gdv_688b0e6f9110cresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_688b0e6f9110ccanvasContainer"); gdv_688b0e6f9110ccanvas.width = container.clientWidth; gdv_688b0e6f9110ccanvas.height = container.clientHeight - 30; gdv_688b0e6f9110cfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_688b0e6f9110cdrawImage(); } window.addEventListener("load", gdv_688b0e6f9110cresizeCanvas); window.addEventListener("resize", gdv_688b0e6f9110cresizeCanvas); function gdv_688b0e6f9110cfitImageToCanvas() { const canvasAspect = gdv_688b0e6f9110ccanvas.width / gdv_688b0e6f9110ccanvas.height; const imageAspect = gdv_688b0e6f9110ccurrentImage.width / gdv_688b0e6f9110ccurrentImage.height; if (imageAspect > canvasAspect) { gdv_688b0e6f9110cscale = gdv_688b0e6f9110ccanvas.width / gdv_688b0e6f9110ccurrentImage.width; } else { gdv_688b0e6f9110cscale = gdv_688b0e6f9110ccanvas.height / gdv_688b0e6f9110ccurrentImage.height; } gdv_688b0e6f9110coriginX = gdv_688b0e6f9110ccanvas.width / 2; gdv_688b0e6f9110coriginY = gdv_688b0e6f9110ccanvas.height / 2; }
function gdv_688b0e6f9110cdrawImage() { gdv_688b0e6f9110cctx.clearRect(0, 0, gdv_688b0e6f9110ccanvas.width, gdv_688b0e6f9110ccanvas.height); gdv_688b0e6f9110cctx.save(); gdv_688b0e6f9110cctx.translate(gdv_688b0e6f9110coriginX, gdv_688b0e6f9110coriginY); gdv_688b0e6f9110cctx.rotate((Math.PI / 180) * gdv_688b0e6f9110crotationAngle); gdv_688b0e6f9110cctx.scale(gdv_688b0e6f9110cscale, gdv_688b0e6f9110cscale);
// Appliquer la luminosité et le contraste gdv_688b0e6f9110cctx.filter = `brightness(${gdv_688b0e6f9110cbrightnessInput.value}) contrast(${gdv_688b0e6f9110ccontrastInput.value})`; gdv_688b0e6f9110cctx.drawImage(gdv_688b0e6f9110ccurrentImage, -gdv_688b0e6f9110ccurrentImage.width/2, -gdv_688b0e6f9110ccurrentImage.height/2); gdv_688b0e6f9110cctx.restore(); }
// Ajouter les miniatures des images gdv_688b0e6f9110cimageUrls.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_688b0e6f9110cloadImage(index); gdv_688b0e6f9110ccurrentSlideIndex = index; gdv_688b0e6f9110cupdateSlideNumber(); }; slide.appendChild(img); gdv_688b0e6f9110cthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_688b0e6f9110cloadImage(index) { gdv_688b0e6f9110ccurrentImage.src = gdv_688b0e6f9110cimageUrls[index]["url"]; gdv_688b0e6f9110cimageName.innerHTML = filtrerChaine(gdv_688b0e6f9110cimageUrls[index]["name"], "rien"); gdv_688b0e6f9110ccurrentImage.onload = function() { gdv_688b0e6f9110cscale = 1; gdv_688b0e6f9110coriginX = 0; gdv_688b0e6f9110coriginY = 0; gdv_688b0e6f9110cfitImageToCanvas(); gdv_688b0e6f9110cdrawImage(); };
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_688b0e6f9110cswiper = new Swiper(".gdv_688b0e6f9110cswiper-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_688b0e6f9110cswiper.on("slideChange", function () { // gdv_688b0e6f9110ccurrentSlideIndex = gdv_688b0e6f9110cswiper.activeIndex; // gdv_688b0e6f9110cupdateSlideNumber(); //});
// Plein écran gdv_688b0e6f9110cfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_688b0e6f9110cgd-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_688b0e6f9110ccanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_688b0e6f9110cscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_688b0e6f9110cminScale, Math.min(gdv_688b0e6f9110cmaxScale, newScale)); const scaleRatio = newScale / gdv_688b0e6f9110cscale; gdv_688b0e6f9110coriginX = mouseX - (mouseX - gdv_688b0e6f9110coriginX) * scaleRatio; gdv_688b0e6f9110coriginY = mouseY - (mouseY - gdv_688b0e6f9110coriginY) * scaleRatio; gdv_688b0e6f9110cscale = newScale; gdv_688b0e6f9110cdrawImage(); }); // Gestion du déplacement (pan) let gdv_688b0e6f9110cisDragging = false; let gdv_688b0e6f9110cstartX, gdv_688b0e6f9110cstartY; gdv_688b0e6f9110ccanvas.addEventListener("mousedown", function(event) { gdv_688b0e6f9110cisDragging = true; gdv_688b0e6f9110cstartX = event.offsetX - gdv_688b0e6f9110coriginX; gdv_688b0e6f9110cstartY = event.offsetY - gdv_688b0e6f9110coriginY; gdv_688b0e6f9110ccanvas.style.cursor = "grabbing"; }); gdv_688b0e6f9110ccanvas.addEventListener("mousemove", function(event) { if (gdv_688b0e6f9110cisDragging) { gdv_688b0e6f9110coriginX = event.offsetX - gdv_688b0e6f9110cstartX; gdv_688b0e6f9110coriginY = event.offsetY - gdv_688b0e6f9110cstartY; gdv_688b0e6f9110cdrawImage(); } }); // Gestion des événements tactiles gdv_688b0e6f9110ccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_688b0e6f9110cisDragging = true; const touch = event.touches[0]; gdv_688b0e6f9110cstartX = touch.pageX - gdv_688b0e6f9110coriginX; gdv_688b0e6f9110cstartY = touch.pageY - gdv_688b0e6f9110coriginY; } }); gdv_688b0e6f9110ccanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_688b0e6f9110coriginX = touch.pageX - gdv_688b0e6f9110cstartX; gdv_688b0e6f9110coriginY = touch.pageY - gdv_688b0e6f9110cstartY; gdv_688b0e6f9110cdrawImage(); }); gdv_688b0e6f9110ccanvas.addEventListener("touchend", function() { gdv_688b0e6f9110cisDragging = false; }); gdv_688b0e6f9110ccanvas.addEventListener("mouseup", function() { gdv_688b0e6f9110cisDragging = false; gdv_688b0e6f9110ccanvas.style.cursor = "grab"; }); gdv_688b0e6f9110ccanvas.addEventListener("mouseleave", function() { gdv_688b0e6f9110cisDragging = false; gdv_688b0e6f9110ccanvas.style.cursor = "grab"; }); gdv_688b0e6f9110czoomInButton.addEventListener("click", function() { let newScale = gdv_688b0e6f9110cscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_688b0e6f9110cscale = Math.max(gdv_688b0e6f9110cminScale, Math.min(gdv_688b0e6f9110cmaxScale, newScale)); gdv_688b0e6f9110cdrawImage(); }); gdv_688b0e6f9110czoomOutButton.addEventListener("click", function() { let newScale = gdv_688b0e6f9110cscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_688b0e6f9110cscale = Math.max(gdv_688b0e6f9110cminScale, Math.min(gdv_688b0e6f9110cmaxScale, newScale)); gdv_688b0e6f9110cdrawImage(); }); gdv_688b0e6f9110cresetZoomButton.addEventListener("click", function() { gdv_688b0e6f9110crotationAngle = 0; gdv_688b0e6f9110cfitImageToCanvas(); gdv_688b0e6f9110cdrawImage(); }); function gdv_688b0e6f9110cgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_688b0e6f9110cdownloadImage").addEventListener("click", function() { let url = gdv_688b0e6f9110ccurrentImage.src; const imageId = gdv_688b0e6f9110cgetImageIdFromUrl(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_688b0e6f9110cprintImageFromApi(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_688b0e6f9110cprintButton = document.getElementById("gdv_688b0e6f9110cprintCanvas");
gdv_688b0e6f9110cprintButton.addEventListener("click", function() { let url = gdv_688b0e6f9110ccurrentImage.src; const imageId = gdv_688b0e6f9110cgetImageIdFromUrl(url); gdv_688b0e6f9110cprintImageFromApi(imageId); });
let gdv_688b0e6f9110cinitialDistance = 0; let gdv_688b0e6f9110cinitialScale = 1;
gdv_688b0e6f9110ccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_688b0e6f9110cinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_688b0e6f9110cinitialScale = gdv_688b0e6f9110cscale; } });
gdv_688b0e6f9110ccanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_688b0e6f9110cinitialDistance; let newScale = gdv_688b0e6f9110cinitialScale * scaleChange;
newScale = Math.max(gdv_688b0e6f9110cminScale, Math.min(gdv_688b0e6f9110cmaxScale, 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_688b0e6f9110cscale; gdv_688b0e6f9110coriginX = centerX - (centerX - gdv_688b0e6f9110coriginX) * scaleRatio; gdv_688b0e6f9110coriginY = centerY - (centerY - gdv_688b0e6f9110coriginY) * scaleRatio;
gdv_688b0e6f9110cscale = newScale; gdv_688b0e6f9110cdrawImage(); // 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); }