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const gdv_682d9469c954dcanvas = document.getElementById("gdv_682d9469c954dimageCanvas"); const gdv_682d9469c954dctx = gdv_682d9469c954dcanvas.getContext("2d");
const gdv_682d9469c954dthumbnailContainer = document.getElementById("gdv_682d9469c954dthumbnailContainer"); const gdv_682d9469c954dthumbnailContainerWrapper = document.getElementById("gdv_682d9469c954dthumbnailContainerWrapper"); const gdv_682d9469c954dzoomInButton = document.getElementById("gdv_682d9469c954dzoomIn"); const gdv_682d9469c954dzoomOutButton = document.getElementById("gdv_682d9469c954dzoomOut"); const gdv_682d9469c954dresetZoomButton = document.getElementById("gdv_682d9469c954dresetZoom");
const gdv_682d9469c954dbrightnessInput = document.getElementById("gdv_682d9469c954dbrightness"); const gdv_682d9469c954dcontrastInput = document.getElementById("gdv_682d9469c954dcontrast"); const gdv_682d9469c954dfullscreenButton = document.getElementById("gdv_682d9469c954dfullscreen");
const gdv_682d9469c954drotateRightButton = document.getElementById("gdv_682d9469c954drotateRight"); const gdv_682d9469c954drotateLeftButton = document.getElementById("gdv_682d9469c954drotateLeft");
const gdv_682d9469c954dprevSlideButton = document.getElementById("gdv_682d9469c954dprevSlide"); const gdv_682d9469c954dnextSlideButton = document.getElementById("gdv_682d9469c954dnextSlide"); const gdv_682d9469c954dslideNumberDisplay = document.getElementById("gdv_682d9469c954dslideNumber"); const gdv_682d9469c954dimageName = document.getElementById("gdv_682d9469c954dimageName");
let gdv_682d9469c954dcurrentSlideIndex = 0;
gdv_682d9469c954dbrightnessInput.addEventListener("input", gdv_682d9469c954ddrawImage); gdv_682d9469c954dcontrastInput.addEventListener("input", gdv_682d9469c954ddrawImage);
const gdv_682d9469c954dimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1flFveOojs-SVeTYb9rzhfJVN-b8jqP0l&sz=w3000","name":"EPOL_Sur les biens des e\u0301migre\u0301s_nov 1792.jpg"}];
let gdv_682d9469c954dscale = 1; let gdv_682d9469c954doriginX = 0; let gdv_682d9469c954doriginY = 0; const gdv_682d9469c954dminScale = 0.1; const gdv_682d9469c954dmaxScale = 5; let gdv_682d9469c954dcurrentImage = new Image();
let gdv_682d9469c954drotationAngle = 0;
gdv_682d9469c954drotateRightButton.addEventListener("click", function() { gdv_682d9469c954drotationAngle = (gdv_682d9469c954drotationAngle + 90) % 360; gdv_682d9469c954ddrawImage(); });
gdv_682d9469c954drotateLeftButton.addEventListener("click", function() { gdv_682d9469c954drotationAngle = (gdv_682d9469c954drotationAngle - 90 + 360) % 360; gdv_682d9469c954ddrawImage(); });
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_682d9469c954dcurrentImage.src = gdv_682d9469c954dimageUrls[0]["url"]; gdv_682d9469c954dimageName.innerHTML = filtrerChaine(gdv_682d9469c954dimageUrls[0]["name"], "rien"); gdv_682d9469c954dcurrentImage.onload = function() {
gdv_682d9469c954dupdateSlideNumber(); gdv_682d9469c954dresizeCanvas(); gdv_682d9469c954ddrawImage(); document.getElementById("gdv_682d9469c954dcontrols").style.display = "block"; };
function gdv_682d9469c954dupdateSlideNumber() { gdv_682d9469c954dslideNumberDisplay.textContent = `${gdv_682d9469c954dcurrentSlideIndex + 1} / ${gdv_682d9469c954dimageUrls.length}`; }
gdv_682d9469c954dprevSlideButton.addEventListener("click", function() { if (gdv_682d9469c954dcurrentSlideIndex > 0) { gdv_682d9469c954dcurrentSlideIndex--; gdv_682d9469c954dloadImage(gdv_682d9469c954dcurrentSlideIndex); gdv_682d9469c954dupdateSlideNumber(); } });
gdv_682d9469c954dnextSlideButton.addEventListener("click", function() { if (gdv_682d9469c954dcurrentSlideIndex < gdv_682d9469c954dimageUrls.length - 1) { gdv_682d9469c954dcurrentSlideIndex++; gdv_682d9469c954dloadImage(gdv_682d9469c954dcurrentSlideIndex); gdv_682d9469c954dupdateSlideNumber(); } }); function gdv_682d9469c954dresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_682d9469c954dcanvasContainer"); gdv_682d9469c954dcanvas.width = container.clientWidth; gdv_682d9469c954dcanvas.height = container.clientHeight - 30; gdv_682d9469c954dfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_682d9469c954ddrawImage(); } window.addEventListener("load", gdv_682d9469c954dresizeCanvas); window.addEventListener("resize", gdv_682d9469c954dresizeCanvas); function gdv_682d9469c954dfitImageToCanvas() { const canvasAspect = gdv_682d9469c954dcanvas.width / gdv_682d9469c954dcanvas.height; const imageAspect = gdv_682d9469c954dcurrentImage.width / gdv_682d9469c954dcurrentImage.height; if (imageAspect > canvasAspect) { gdv_682d9469c954dscale = gdv_682d9469c954dcanvas.width / gdv_682d9469c954dcurrentImage.width; } else { gdv_682d9469c954dscale = gdv_682d9469c954dcanvas.height / gdv_682d9469c954dcurrentImage.height; } gdv_682d9469c954doriginX = gdv_682d9469c954dcanvas.width / 2; gdv_682d9469c954doriginY = gdv_682d9469c954dcanvas.height / 2; }
function gdv_682d9469c954ddrawImage() { gdv_682d9469c954dctx.clearRect(0, 0, gdv_682d9469c954dcanvas.width, gdv_682d9469c954dcanvas.height); gdv_682d9469c954dctx.save(); gdv_682d9469c954dctx.translate(gdv_682d9469c954doriginX, gdv_682d9469c954doriginY); gdv_682d9469c954dctx.rotate((Math.PI / 180) * gdv_682d9469c954drotationAngle); gdv_682d9469c954dctx.scale(gdv_682d9469c954dscale, gdv_682d9469c954dscale);
// Appliquer la luminosité et le contraste gdv_682d9469c954dctx.filter = `brightness(${gdv_682d9469c954dbrightnessInput.value}) contrast(${gdv_682d9469c954dcontrastInput.value})`; gdv_682d9469c954dctx.drawImage(gdv_682d9469c954dcurrentImage, -gdv_682d9469c954dcurrentImage.width/2, -gdv_682d9469c954dcurrentImage.height/2); gdv_682d9469c954dctx.restore(); }
// Ajouter les miniatures des images gdv_682d9469c954dimageUrls.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_682d9469c954dloadImage(index); gdv_682d9469c954dcurrentSlideIndex = index; gdv_682d9469c954dupdateSlideNumber(); }; slide.appendChild(img); gdv_682d9469c954dthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_682d9469c954dloadImage(index) { gdv_682d9469c954dcurrentImage.src = gdv_682d9469c954dimageUrls[index]["url"]; gdv_682d9469c954dimageName.innerHTML = filtrerChaine(gdv_682d9469c954dimageUrls[index]["name"], "rien"); gdv_682d9469c954dcurrentImage.onload = function() { gdv_682d9469c954dscale = 1; gdv_682d9469c954doriginX = 0; gdv_682d9469c954doriginY = 0; gdv_682d9469c954dfitImageToCanvas(); gdv_682d9469c954ddrawImage(); };
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_682d9469c954dswiper = new Swiper(".gdv_682d9469c954dswiper-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_682d9469c954dswiper.on("slideChange", function () { // gdv_682d9469c954dcurrentSlideIndex = gdv_682d9469c954dswiper.activeIndex; // gdv_682d9469c954dupdateSlideNumber(); //});
// Plein écran gdv_682d9469c954dfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_682d9469c954dgd-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_682d9469c954dcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_682d9469c954dscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_682d9469c954dminScale, Math.min(gdv_682d9469c954dmaxScale, newScale)); const scaleRatio = newScale / gdv_682d9469c954dscale; gdv_682d9469c954doriginX = mouseX - (mouseX - gdv_682d9469c954doriginX) * scaleRatio; gdv_682d9469c954doriginY = mouseY - (mouseY - gdv_682d9469c954doriginY) * scaleRatio; gdv_682d9469c954dscale = newScale; gdv_682d9469c954ddrawImage(); }); // Gestion du déplacement (pan) let gdv_682d9469c954disDragging = false; let gdv_682d9469c954dstartX, gdv_682d9469c954dstartY; gdv_682d9469c954dcanvas.addEventListener("mousedown", function(event) { gdv_682d9469c954disDragging = true; gdv_682d9469c954dstartX = event.offsetX - gdv_682d9469c954doriginX; gdv_682d9469c954dstartY = event.offsetY - gdv_682d9469c954doriginY; gdv_682d9469c954dcanvas.style.cursor = "grabbing"; }); gdv_682d9469c954dcanvas.addEventListener("mousemove", function(event) { if (gdv_682d9469c954disDragging) { gdv_682d9469c954doriginX = event.offsetX - gdv_682d9469c954dstartX; gdv_682d9469c954doriginY = event.offsetY - gdv_682d9469c954dstartY; gdv_682d9469c954ddrawImage(); } }); // Gestion des événements tactiles gdv_682d9469c954dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_682d9469c954disDragging = true; const touch = event.touches[0]; gdv_682d9469c954dstartX = touch.pageX - gdv_682d9469c954doriginX; gdv_682d9469c954dstartY = touch.pageY - gdv_682d9469c954doriginY; } }); gdv_682d9469c954dcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_682d9469c954doriginX = touch.pageX - gdv_682d9469c954dstartX; gdv_682d9469c954doriginY = touch.pageY - gdv_682d9469c954dstartY; gdv_682d9469c954ddrawImage(); }); gdv_682d9469c954dcanvas.addEventListener("touchend", function() { gdv_682d9469c954disDragging = false; }); gdv_682d9469c954dcanvas.addEventListener("mouseup", function() { gdv_682d9469c954disDragging = false; gdv_682d9469c954dcanvas.style.cursor = "grab"; }); gdv_682d9469c954dcanvas.addEventListener("mouseleave", function() { gdv_682d9469c954disDragging = false; gdv_682d9469c954dcanvas.style.cursor = "grab"; }); gdv_682d9469c954dzoomInButton.addEventListener("click", function() { let newScale = gdv_682d9469c954dscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_682d9469c954dscale = Math.max(gdv_682d9469c954dminScale, Math.min(gdv_682d9469c954dmaxScale, newScale)); gdv_682d9469c954ddrawImage(); }); gdv_682d9469c954dzoomOutButton.addEventListener("click", function() { let newScale = gdv_682d9469c954dscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_682d9469c954dscale = Math.max(gdv_682d9469c954dminScale, Math.min(gdv_682d9469c954dmaxScale, newScale)); gdv_682d9469c954ddrawImage(); }); gdv_682d9469c954dresetZoomButton.addEventListener("click", function() { gdv_682d9469c954drotationAngle = 0; gdv_682d9469c954dfitImageToCanvas(); gdv_682d9469c954ddrawImage(); }); function gdv_682d9469c954dgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_682d9469c954ddownloadImage").addEventListener("click", function() { let url = gdv_682d9469c954dcurrentImage.src; const imageId = gdv_682d9469c954dgetImageIdFromUrl(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_682d9469c954dprintImageFromApi(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_682d9469c954dprintButton = document.getElementById("gdv_682d9469c954dprintCanvas");
gdv_682d9469c954dprintButton.addEventListener("click", function() { let url = gdv_682d9469c954dcurrentImage.src; const imageId = gdv_682d9469c954dgetImageIdFromUrl(url); gdv_682d9469c954dprintImageFromApi(imageId); });
let gdv_682d9469c954dinitialDistance = 0; let gdv_682d9469c954dinitialScale = 1;
gdv_682d9469c954dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_682d9469c954dinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_682d9469c954dinitialScale = gdv_682d9469c954dscale; } });
gdv_682d9469c954dcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_682d9469c954dinitialDistance; let newScale = gdv_682d9469c954dinitialScale * scaleChange;
newScale = Math.max(gdv_682d9469c954dminScale, Math.min(gdv_682d9469c954dmaxScale, 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_682d9469c954dscale; gdv_682d9469c954doriginX = centerX - (centerX - gdv_682d9469c954doriginX) * scaleRatio; gdv_682d9469c954doriginY = centerY - (centerY - gdv_682d9469c954doriginY) * scaleRatio;
gdv_682d9469c954dscale = newScale; gdv_682d9469c954ddrawImage(); // 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); }