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const gdv_687129d3a12dccanvas = document.getElementById("gdv_687129d3a12dcimageCanvas"); const gdv_687129d3a12dcctx = gdv_687129d3a12dccanvas.getContext("2d");
const gdv_687129d3a12dcthumbnailContainer = document.getElementById("gdv_687129d3a12dcthumbnailContainer"); const gdv_687129d3a12dcthumbnailContainerWrapper = document.getElementById("gdv_687129d3a12dcthumbnailContainerWrapper"); const gdv_687129d3a12dczoomInButton = document.getElementById("gdv_687129d3a12dczoomIn"); const gdv_687129d3a12dczoomOutButton = document.getElementById("gdv_687129d3a12dczoomOut"); const gdv_687129d3a12dcresetZoomButton = document.getElementById("gdv_687129d3a12dcresetZoom");
const gdv_687129d3a12dcbrightnessInput = document.getElementById("gdv_687129d3a12dcbrightness"); const gdv_687129d3a12dccontrastInput = document.getElementById("gdv_687129d3a12dccontrast"); const gdv_687129d3a12dcfullscreenButton = document.getElementById("gdv_687129d3a12dcfullscreen");
const gdv_687129d3a12dcrotateRightButton = document.getElementById("gdv_687129d3a12dcrotateRight"); const gdv_687129d3a12dcrotateLeftButton = document.getElementById("gdv_687129d3a12dcrotateLeft");
const gdv_687129d3a12dcprevSlideButton = document.getElementById("gdv_687129d3a12dcprevSlide"); const gdv_687129d3a12dcnextSlideButton = document.getElementById("gdv_687129d3a12dcnextSlide"); const gdv_687129d3a12dcslideNumberDisplay = document.getElementById("gdv_687129d3a12dcslideNumber"); const gdv_687129d3a12dcimageName = document.getElementById("gdv_687129d3a12dcimageName");
let gdv_687129d3a12dccurrentSlideIndex = 0;
gdv_687129d3a12dcbrightnessInput.addEventListener("input", gdv_687129d3a12dcdrawImage); gdv_687129d3a12dccontrastInput.addEventListener("input", gdv_687129d3a12dcdrawImage);
const gdv_687129d3a12dcimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1JTWOy6NfE3LodZZLyN12qBjGdf77M0R3&sz=w3000","name":"Delpech_concerne les esclaves re\u0301volte\u0301s de Macaya-Platon et autres lieux du Sud.jpg"}];
let gdv_687129d3a12dcscale = 1; let gdv_687129d3a12dcoriginX = 0; let gdv_687129d3a12dcoriginY = 0; const gdv_687129d3a12dcminScale = 0.1; const gdv_687129d3a12dcmaxScale = 5; let gdv_687129d3a12dccurrentImage = new Image();
let gdv_687129d3a12dcrotationAngle = 0;
gdv_687129d3a12dcrotateRightButton.addEventListener("click", function() { gdv_687129d3a12dcrotationAngle = (gdv_687129d3a12dcrotationAngle + 90) % 360; gdv_687129d3a12dcdrawImage(); });
gdv_687129d3a12dcrotateLeftButton.addEventListener("click", function() { gdv_687129d3a12dcrotationAngle = (gdv_687129d3a12dcrotationAngle - 90 + 360) % 360; gdv_687129d3a12dcdrawImage(); });
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_687129d3a12dccurrentImage.src = gdv_687129d3a12dcimageUrls[0]["url"]; gdv_687129d3a12dcimageName.innerHTML = filtrerChaine(gdv_687129d3a12dcimageUrls[0]["name"], "rien"); gdv_687129d3a12dccurrentImage.onload = function() {
gdv_687129d3a12dcupdateSlideNumber(); gdv_687129d3a12dcresizeCanvas(); gdv_687129d3a12dcdrawImage(); document.getElementById("gdv_687129d3a12dccontrols").style.display = "block"; };
function gdv_687129d3a12dcupdateSlideNumber() { gdv_687129d3a12dcslideNumberDisplay.textContent = `${gdv_687129d3a12dccurrentSlideIndex + 1} / ${gdv_687129d3a12dcimageUrls.length}`; }
gdv_687129d3a12dcprevSlideButton.addEventListener("click", function() { if (gdv_687129d3a12dccurrentSlideIndex > 0) { gdv_687129d3a12dccurrentSlideIndex--; gdv_687129d3a12dcloadImage(gdv_687129d3a12dccurrentSlideIndex); gdv_687129d3a12dcupdateSlideNumber(); } });
gdv_687129d3a12dcnextSlideButton.addEventListener("click", function() { if (gdv_687129d3a12dccurrentSlideIndex < gdv_687129d3a12dcimageUrls.length - 1) { gdv_687129d3a12dccurrentSlideIndex++; gdv_687129d3a12dcloadImage(gdv_687129d3a12dccurrentSlideIndex); gdv_687129d3a12dcupdateSlideNumber(); } }); function gdv_687129d3a12dcresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_687129d3a12dccanvasContainer"); gdv_687129d3a12dccanvas.width = container.clientWidth; gdv_687129d3a12dccanvas.height = container.clientHeight - 30; gdv_687129d3a12dcfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_687129d3a12dcdrawImage(); } window.addEventListener("load", gdv_687129d3a12dcresizeCanvas); window.addEventListener("resize", gdv_687129d3a12dcresizeCanvas); function gdv_687129d3a12dcfitImageToCanvas() { const canvasAspect = gdv_687129d3a12dccanvas.width / gdv_687129d3a12dccanvas.height; const imageAspect = gdv_687129d3a12dccurrentImage.width / gdv_687129d3a12dccurrentImage.height; if (imageAspect > canvasAspect) { gdv_687129d3a12dcscale = gdv_687129d3a12dccanvas.width / gdv_687129d3a12dccurrentImage.width; } else { gdv_687129d3a12dcscale = gdv_687129d3a12dccanvas.height / gdv_687129d3a12dccurrentImage.height; } gdv_687129d3a12dcoriginX = gdv_687129d3a12dccanvas.width / 2; gdv_687129d3a12dcoriginY = gdv_687129d3a12dccanvas.height / 2; }
function gdv_687129d3a12dcdrawImage() { gdv_687129d3a12dcctx.clearRect(0, 0, gdv_687129d3a12dccanvas.width, gdv_687129d3a12dccanvas.height); gdv_687129d3a12dcctx.save(); gdv_687129d3a12dcctx.translate(gdv_687129d3a12dcoriginX, gdv_687129d3a12dcoriginY); gdv_687129d3a12dcctx.rotate((Math.PI / 180) * gdv_687129d3a12dcrotationAngle); gdv_687129d3a12dcctx.scale(gdv_687129d3a12dcscale, gdv_687129d3a12dcscale);
// Appliquer la luminosité et le contraste gdv_687129d3a12dcctx.filter = `brightness(${gdv_687129d3a12dcbrightnessInput.value}) contrast(${gdv_687129d3a12dccontrastInput.value})`; gdv_687129d3a12dcctx.drawImage(gdv_687129d3a12dccurrentImage, -gdv_687129d3a12dccurrentImage.width/2, -gdv_687129d3a12dccurrentImage.height/2); gdv_687129d3a12dcctx.restore(); }
// Ajouter les miniatures des images gdv_687129d3a12dcimageUrls.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_687129d3a12dcloadImage(index); gdv_687129d3a12dccurrentSlideIndex = index; gdv_687129d3a12dcupdateSlideNumber(); }; slide.appendChild(img); gdv_687129d3a12dcthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_687129d3a12dcloadImage(index) { gdv_687129d3a12dccurrentImage.src = gdv_687129d3a12dcimageUrls[index]["url"]; gdv_687129d3a12dcimageName.innerHTML = filtrerChaine(gdv_687129d3a12dcimageUrls[index]["name"], "rien"); gdv_687129d3a12dccurrentImage.onload = function() { gdv_687129d3a12dcscale = 1; gdv_687129d3a12dcoriginX = 0; gdv_687129d3a12dcoriginY = 0; gdv_687129d3a12dcfitImageToCanvas(); gdv_687129d3a12dcdrawImage(); };
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_687129d3a12dcswiper = new Swiper(".gdv_687129d3a12dcswiper-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_687129d3a12dcswiper.on("slideChange", function () { // gdv_687129d3a12dccurrentSlideIndex = gdv_687129d3a12dcswiper.activeIndex; // gdv_687129d3a12dcupdateSlideNumber(); //});
// Plein écran gdv_687129d3a12dcfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_687129d3a12dcgd-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_687129d3a12dccanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_687129d3a12dcscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_687129d3a12dcminScale, Math.min(gdv_687129d3a12dcmaxScale, newScale)); const scaleRatio = newScale / gdv_687129d3a12dcscale; gdv_687129d3a12dcoriginX = mouseX - (mouseX - gdv_687129d3a12dcoriginX) * scaleRatio; gdv_687129d3a12dcoriginY = mouseY - (mouseY - gdv_687129d3a12dcoriginY) * scaleRatio; gdv_687129d3a12dcscale = newScale; gdv_687129d3a12dcdrawImage(); }); // Gestion du déplacement (pan) let gdv_687129d3a12dcisDragging = false; let gdv_687129d3a12dcstartX, gdv_687129d3a12dcstartY; gdv_687129d3a12dccanvas.addEventListener("mousedown", function(event) { gdv_687129d3a12dcisDragging = true; gdv_687129d3a12dcstartX = event.offsetX - gdv_687129d3a12dcoriginX; gdv_687129d3a12dcstartY = event.offsetY - gdv_687129d3a12dcoriginY; gdv_687129d3a12dccanvas.style.cursor = "grabbing"; }); gdv_687129d3a12dccanvas.addEventListener("mousemove", function(event) { if (gdv_687129d3a12dcisDragging) { gdv_687129d3a12dcoriginX = event.offsetX - gdv_687129d3a12dcstartX; gdv_687129d3a12dcoriginY = event.offsetY - gdv_687129d3a12dcstartY; gdv_687129d3a12dcdrawImage(); } }); // Gestion des événements tactiles gdv_687129d3a12dccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_687129d3a12dcisDragging = true; const touch = event.touches[0]; gdv_687129d3a12dcstartX = touch.pageX - gdv_687129d3a12dcoriginX; gdv_687129d3a12dcstartY = touch.pageY - gdv_687129d3a12dcoriginY; } }); gdv_687129d3a12dccanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_687129d3a12dcoriginX = touch.pageX - gdv_687129d3a12dcstartX; gdv_687129d3a12dcoriginY = touch.pageY - gdv_687129d3a12dcstartY; gdv_687129d3a12dcdrawImage(); }); gdv_687129d3a12dccanvas.addEventListener("touchend", function() { gdv_687129d3a12dcisDragging = false; }); gdv_687129d3a12dccanvas.addEventListener("mouseup", function() { gdv_687129d3a12dcisDragging = false; gdv_687129d3a12dccanvas.style.cursor = "grab"; }); gdv_687129d3a12dccanvas.addEventListener("mouseleave", function() { gdv_687129d3a12dcisDragging = false; gdv_687129d3a12dccanvas.style.cursor = "grab"; }); gdv_687129d3a12dczoomInButton.addEventListener("click", function() { let newScale = gdv_687129d3a12dcscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_687129d3a12dcscale = Math.max(gdv_687129d3a12dcminScale, Math.min(gdv_687129d3a12dcmaxScale, newScale)); gdv_687129d3a12dcdrawImage(); }); gdv_687129d3a12dczoomOutButton.addEventListener("click", function() { let newScale = gdv_687129d3a12dcscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_687129d3a12dcscale = Math.max(gdv_687129d3a12dcminScale, Math.min(gdv_687129d3a12dcmaxScale, newScale)); gdv_687129d3a12dcdrawImage(); }); gdv_687129d3a12dcresetZoomButton.addEventListener("click", function() { gdv_687129d3a12dcrotationAngle = 0; gdv_687129d3a12dcfitImageToCanvas(); gdv_687129d3a12dcdrawImage(); }); function gdv_687129d3a12dcgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_687129d3a12dcdownloadImage").addEventListener("click", function() { let url = gdv_687129d3a12dccurrentImage.src; const imageId = gdv_687129d3a12dcgetImageIdFromUrl(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_687129d3a12dcprintImageFromApi(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_687129d3a12dcprintButton = document.getElementById("gdv_687129d3a12dcprintCanvas");
gdv_687129d3a12dcprintButton.addEventListener("click", function() { let url = gdv_687129d3a12dccurrentImage.src; const imageId = gdv_687129d3a12dcgetImageIdFromUrl(url); gdv_687129d3a12dcprintImageFromApi(imageId); });
let gdv_687129d3a12dcinitialDistance = 0; let gdv_687129d3a12dcinitialScale = 1;
gdv_687129d3a12dccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_687129d3a12dcinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_687129d3a12dcinitialScale = gdv_687129d3a12dcscale; } });
gdv_687129d3a12dccanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_687129d3a12dcinitialDistance; let newScale = gdv_687129d3a12dcinitialScale * scaleChange;
newScale = Math.max(gdv_687129d3a12dcminScale, Math.min(gdv_687129d3a12dcmaxScale, 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_687129d3a12dcscale; gdv_687129d3a12dcoriginX = centerX - (centerX - gdv_687129d3a12dcoriginX) * scaleRatio; gdv_687129d3a12dcoriginY = centerY - (centerY - gdv_687129d3a12dcoriginY) * scaleRatio;
gdv_687129d3a12dcscale = newScale; gdv_687129d3a12dcdrawImage(); // 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); }