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const gdv_68ef384e824eccanvas = document.getElementById("gdv_68ef384e824ecimageCanvas"); const gdv_68ef384e824ecctx = gdv_68ef384e824eccanvas.getContext("2d");
const gdv_68ef384e824ecthumbnailContainer = document.getElementById("gdv_68ef384e824ecthumbnailContainer"); const gdv_68ef384e824ecthumbnailContainerWrapper = document.getElementById("gdv_68ef384e824ecthumbnailContainerWrapper"); const gdv_68ef384e824eczoomInButton = document.getElementById("gdv_68ef384e824eczoomIn"); const gdv_68ef384e824eczoomOutButton = document.getElementById("gdv_68ef384e824eczoomOut"); const gdv_68ef384e824ecresetZoomButton = document.getElementById("gdv_68ef384e824ecresetZoom");
const gdv_68ef384e824ecbrightnessInput = document.getElementById("gdv_68ef384e824ecbrightness"); const gdv_68ef384e824eccontrastInput = document.getElementById("gdv_68ef384e824eccontrast"); const gdv_68ef384e824ecfullscreenButton = document.getElementById("gdv_68ef384e824ecfullscreen");
const gdv_68ef384e824ecrotateRightButton = document.getElementById("gdv_68ef384e824ecrotateRight"); const gdv_68ef384e824ecrotateLeftButton = document.getElementById("gdv_68ef384e824ecrotateLeft");
const gdv_68ef384e824ecprevSlideButton = document.getElementById("gdv_68ef384e824ecprevSlide"); const gdv_68ef384e824ecnextSlideButton = document.getElementById("gdv_68ef384e824ecnextSlide"); const gdv_68ef384e824ecslideNumberDisplay = document.getElementById("gdv_68ef384e824ecslideNumber"); const gdv_68ef384e824ecimageName = document.getElementById("gdv_68ef384e824ecimageName");
let gdv_68ef384e824eccurrentSlideIndex = 0;
gdv_68ef384e824ecbrightnessInput.addEventListener("input", gdv_68ef384e824ecdrawImage); gdv_68ef384e824eccontrastInput.addEventListener("input", gdv_68ef384e824ecdrawImage);
const gdv_68ef384e824ecimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1TOwUwiwkLtxJq2OH2VMrA8DXyxTKJCUu&sz=w3000","name":"1 ComCivils_discipline des esclaves, application des e\u0301dits de 1685, 1724 et de l'ordonnance du 3 de\u0301c 1784.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1IGYEepWc66ZiiOK8cy7jlAQLleRZF7Yt&sz=w3000","name":"2 ComCivils_discipline des esclaves, application des e\u0301dits de 1685, 1724 et de l'ordonnance du 3 de\u0301c 1784.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1kXHvjSEOG3txyOZUn9Mfw3G3mWgd4t29&sz=w3000","name":"3 ComCivils_discipline des esclaves, application des e\u0301dits de 1685, 1724 et de l'ordonnance du 3 de\u0301c 1784.jpg"}];
let gdv_68ef384e824ecscale = 1; let gdv_68ef384e824ecoriginX = 0; let gdv_68ef384e824ecoriginY = 0; const gdv_68ef384e824ecminScale = 0.1; const gdv_68ef384e824ecmaxScale = 5; let gdv_68ef384e824eccurrentImage = new Image();
let gdv_68ef384e824ecrotationAngle = 0;
gdv_68ef384e824ecrotateRightButton.addEventListener("click", function() { gdv_68ef384e824ecrotationAngle = (gdv_68ef384e824ecrotationAngle + 90) % 360; gdv_68ef384e824ecdrawImage(); });
gdv_68ef384e824ecrotateLeftButton.addEventListener("click", function() { gdv_68ef384e824ecrotationAngle = (gdv_68ef384e824ecrotationAngle - 90 + 360) % 360; gdv_68ef384e824ecdrawImage(); });
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_68ef384e824eccurrentImage.src = gdv_68ef384e824ecimageUrls[0]["url"]; gdv_68ef384e824ecimageName.innerHTML = filtrerChaine(gdv_68ef384e824ecimageUrls[0]["name"], "rien"); gdv_68ef384e824eccurrentImage.onload = function() {
gdv_68ef384e824ecupdateSlideNumber(); gdv_68ef384e824ecresizeCanvas(); gdv_68ef384e824ecdrawImage(); document.getElementById("gdv_68ef384e824eccontrols").style.display = "block"; };
function gdv_68ef384e824ecupdateSlideNumber() { gdv_68ef384e824ecslideNumberDisplay.textContent = `${gdv_68ef384e824eccurrentSlideIndex + 1} / ${gdv_68ef384e824ecimageUrls.length}`; }
gdv_68ef384e824ecprevSlideButton.addEventListener("click", function() { if (gdv_68ef384e824eccurrentSlideIndex > 0) { gdv_68ef384e824eccurrentSlideIndex--; gdv_68ef384e824ecloadImage(gdv_68ef384e824eccurrentSlideIndex); gdv_68ef384e824ecupdateSlideNumber(); } });
gdv_68ef384e824ecnextSlideButton.addEventListener("click", function() { if (gdv_68ef384e824eccurrentSlideIndex < gdv_68ef384e824ecimageUrls.length - 1) { gdv_68ef384e824eccurrentSlideIndex++; gdv_68ef384e824ecloadImage(gdv_68ef384e824eccurrentSlideIndex); gdv_68ef384e824ecupdateSlideNumber(); } }); function gdv_68ef384e824ecresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_68ef384e824eccanvasContainer"); gdv_68ef384e824eccanvas.width = container.clientWidth; gdv_68ef384e824eccanvas.height = container.clientHeight - 30; gdv_68ef384e824ecfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_68ef384e824ecdrawImage(); } window.addEventListener("load", gdv_68ef384e824ecresizeCanvas); window.addEventListener("resize", gdv_68ef384e824ecresizeCanvas); function gdv_68ef384e824ecfitImageToCanvas() { const canvasAspect = gdv_68ef384e824eccanvas.width / gdv_68ef384e824eccanvas.height; const imageAspect = gdv_68ef384e824eccurrentImage.width / gdv_68ef384e824eccurrentImage.height; if (imageAspect > canvasAspect) { gdv_68ef384e824ecscale = gdv_68ef384e824eccanvas.width / gdv_68ef384e824eccurrentImage.width; } else { gdv_68ef384e824ecscale = gdv_68ef384e824eccanvas.height / gdv_68ef384e824eccurrentImage.height; } gdv_68ef384e824ecoriginX = gdv_68ef384e824eccanvas.width / 2; gdv_68ef384e824ecoriginY = gdv_68ef384e824eccanvas.height / 2; }
function gdv_68ef384e824ecdrawImage() { gdv_68ef384e824ecctx.clearRect(0, 0, gdv_68ef384e824eccanvas.width, gdv_68ef384e824eccanvas.height); gdv_68ef384e824ecctx.save(); gdv_68ef384e824ecctx.translate(gdv_68ef384e824ecoriginX, gdv_68ef384e824ecoriginY); gdv_68ef384e824ecctx.rotate((Math.PI / 180) * gdv_68ef384e824ecrotationAngle); gdv_68ef384e824ecctx.scale(gdv_68ef384e824ecscale, gdv_68ef384e824ecscale);
// Appliquer la luminosité et le contraste gdv_68ef384e824ecctx.filter = `brightness(${gdv_68ef384e824ecbrightnessInput.value}) contrast(${gdv_68ef384e824eccontrastInput.value})`; gdv_68ef384e824ecctx.drawImage(gdv_68ef384e824eccurrentImage, -gdv_68ef384e824eccurrentImage.width/2, -gdv_68ef384e824eccurrentImage.height/2); gdv_68ef384e824ecctx.restore(); }
// Ajouter les miniatures des images gdv_68ef384e824ecimageUrls.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_68ef384e824ecloadImage(index); gdv_68ef384e824eccurrentSlideIndex = index; gdv_68ef384e824ecupdateSlideNumber(); }; slide.appendChild(img); gdv_68ef384e824ecthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_68ef384e824ecloadImage(index) { gdv_68ef384e824eccurrentImage.src = gdv_68ef384e824ecimageUrls[index]["url"]; gdv_68ef384e824ecimageName.innerHTML = filtrerChaine(gdv_68ef384e824ecimageUrls[index]["name"], "rien"); gdv_68ef384e824eccurrentImage.onload = function() { gdv_68ef384e824ecscale = 1; gdv_68ef384e824ecoriginX = 0; gdv_68ef384e824ecoriginY = 0; gdv_68ef384e824ecfitImageToCanvas(); gdv_68ef384e824ecdrawImage(); };
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_68ef384e824ecswiper = new Swiper(".gdv_68ef384e824ecswiper-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_68ef384e824ecswiper.on("slideChange", function () { // gdv_68ef384e824eccurrentSlideIndex = gdv_68ef384e824ecswiper.activeIndex; // gdv_68ef384e824ecupdateSlideNumber(); //});
// Plein écran gdv_68ef384e824ecfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_68ef384e824ecgd-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_68ef384e824eccanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_68ef384e824ecscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_68ef384e824ecminScale, Math.min(gdv_68ef384e824ecmaxScale, newScale)); const scaleRatio = newScale / gdv_68ef384e824ecscale; gdv_68ef384e824ecoriginX = mouseX - (mouseX - gdv_68ef384e824ecoriginX) * scaleRatio; gdv_68ef384e824ecoriginY = mouseY - (mouseY - gdv_68ef384e824ecoriginY) * scaleRatio; gdv_68ef384e824ecscale = newScale; gdv_68ef384e824ecdrawImage(); }); // Gestion du déplacement (pan) let gdv_68ef384e824ecisDragging = false; let gdv_68ef384e824ecstartX, gdv_68ef384e824ecstartY; gdv_68ef384e824eccanvas.addEventListener("mousedown", function(event) { gdv_68ef384e824ecisDragging = true; gdv_68ef384e824ecstartX = event.offsetX - gdv_68ef384e824ecoriginX; gdv_68ef384e824ecstartY = event.offsetY - gdv_68ef384e824ecoriginY; gdv_68ef384e824eccanvas.style.cursor = "grabbing"; }); gdv_68ef384e824eccanvas.addEventListener("mousemove", function(event) { if (gdv_68ef384e824ecisDragging) { gdv_68ef384e824ecoriginX = event.offsetX - gdv_68ef384e824ecstartX; gdv_68ef384e824ecoriginY = event.offsetY - gdv_68ef384e824ecstartY; gdv_68ef384e824ecdrawImage(); } }); // Gestion des événements tactiles gdv_68ef384e824eccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_68ef384e824ecisDragging = true; const touch = event.touches[0]; gdv_68ef384e824ecstartX = touch.pageX - gdv_68ef384e824ecoriginX; gdv_68ef384e824ecstartY = touch.pageY - gdv_68ef384e824ecoriginY; } }); gdv_68ef384e824eccanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_68ef384e824ecoriginX = touch.pageX - gdv_68ef384e824ecstartX; gdv_68ef384e824ecoriginY = touch.pageY - gdv_68ef384e824ecstartY; gdv_68ef384e824ecdrawImage(); }); gdv_68ef384e824eccanvas.addEventListener("touchend", function() { gdv_68ef384e824ecisDragging = false; }); gdv_68ef384e824eccanvas.addEventListener("mouseup", function() { gdv_68ef384e824ecisDragging = false; gdv_68ef384e824eccanvas.style.cursor = "grab"; }); gdv_68ef384e824eccanvas.addEventListener("mouseleave", function() { gdv_68ef384e824ecisDragging = false; gdv_68ef384e824eccanvas.style.cursor = "grab"; }); gdv_68ef384e824eczoomInButton.addEventListener("click", function() { let newScale = gdv_68ef384e824ecscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_68ef384e824ecscale = Math.max(gdv_68ef384e824ecminScale, Math.min(gdv_68ef384e824ecmaxScale, newScale)); gdv_68ef384e824ecdrawImage(); }); gdv_68ef384e824eczoomOutButton.addEventListener("click", function() { let newScale = gdv_68ef384e824ecscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_68ef384e824ecscale = Math.max(gdv_68ef384e824ecminScale, Math.min(gdv_68ef384e824ecmaxScale, newScale)); gdv_68ef384e824ecdrawImage(); }); gdv_68ef384e824ecresetZoomButton.addEventListener("click", function() { gdv_68ef384e824ecrotationAngle = 0; gdv_68ef384e824ecfitImageToCanvas(); gdv_68ef384e824ecdrawImage(); }); function gdv_68ef384e824ecgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_68ef384e824ecdownloadImage").addEventListener("click", function() { let url = gdv_68ef384e824eccurrentImage.src; const imageId = gdv_68ef384e824ecgetImageIdFromUrl(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_68ef384e824ecprintImageFromApi(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_68ef384e824ecprintButton = document.getElementById("gdv_68ef384e824ecprintCanvas");
gdv_68ef384e824ecprintButton.addEventListener("click", function() { let url = gdv_68ef384e824eccurrentImage.src; const imageId = gdv_68ef384e824ecgetImageIdFromUrl(url); gdv_68ef384e824ecprintImageFromApi(imageId); });
let gdv_68ef384e824ecinitialDistance = 0; let gdv_68ef384e824ecinitialScale = 1;
gdv_68ef384e824eccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_68ef384e824ecinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_68ef384e824ecinitialScale = gdv_68ef384e824ecscale; } });
gdv_68ef384e824eccanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_68ef384e824ecinitialDistance; let newScale = gdv_68ef384e824ecinitialScale * scaleChange;
newScale = Math.max(gdv_68ef384e824ecminScale, Math.min(gdv_68ef384e824ecmaxScale, 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_68ef384e824ecscale; gdv_68ef384e824ecoriginX = centerX - (centerX - gdv_68ef384e824ecoriginX) * scaleRatio; gdv_68ef384e824ecoriginY = centerY - (centerY - gdv_68ef384e824ecoriginY) * scaleRatio;
gdv_68ef384e824ecscale = newScale; gdv_68ef384e824ecdrawImage(); // 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); }