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const gdv_697055f614b16canvas = document.getElementById("gdv_697055f614b16imageCanvas"); const gdv_697055f614b16ctx = gdv_697055f614b16canvas.getContext("2d");
const gdv_697055f614b16thumbnailContainer = document.getElementById("gdv_697055f614b16thumbnailContainer"); const gdv_697055f614b16thumbnailContainerWrapper = document.getElementById("gdv_697055f614b16thumbnailContainerWrapper"); const gdv_697055f614b16zoomInButton = document.getElementById("gdv_697055f614b16zoomIn"); const gdv_697055f614b16zoomOutButton = document.getElementById("gdv_697055f614b16zoomOut"); const gdv_697055f614b16resetZoomButton = document.getElementById("gdv_697055f614b16resetZoom");
const gdv_697055f614b16brightnessInput = document.getElementById("gdv_697055f614b16brightness"); const gdv_697055f614b16contrastInput = document.getElementById("gdv_697055f614b16contrast"); const gdv_697055f614b16fullscreenButton = document.getElementById("gdv_697055f614b16fullscreen");
const gdv_697055f614b16rotateRightButton = document.getElementById("gdv_697055f614b16rotateRight"); const gdv_697055f614b16rotateLeftButton = document.getElementById("gdv_697055f614b16rotateLeft");
const gdv_697055f614b16prevSlideButton = document.getElementById("gdv_697055f614b16prevSlide"); const gdv_697055f614b16nextSlideButton = document.getElementById("gdv_697055f614b16nextSlide"); const gdv_697055f614b16slideNumberDisplay = document.getElementById("gdv_697055f614b16slideNumber"); const gdv_697055f614b16imageName = document.getElementById("gdv_697055f614b16imageName");
let gdv_697055f614b16currentSlideIndex = 0;
gdv_697055f614b16brightnessInput.addEventListener("input", gdv_697055f614b16drawImage); gdv_697055f614b16contrastInput.addEventListener("input", gdv_697055f614b16drawImage);
const gdv_697055f614b16imageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1e45PpjeA-Vea9XxEUlY7OmGhftqnOznD&sz=w3000","name":"Lettre a\u0300 Baulos, commandant militaire aux Cayes, concernant l'e\u0301tat de sante\u0301 de Normand, ci-devant officier, 8 janvier 1794.jpg"}];
let gdv_697055f614b16scale = 1; let gdv_697055f614b16originX = 0; let gdv_697055f614b16originY = 0; const gdv_697055f614b16minScale = 0.1; const gdv_697055f614b16maxScale = 5; let gdv_697055f614b16currentImage = new Image();
let gdv_697055f614b16rotationAngle = 0;
gdv_697055f614b16rotateRightButton.addEventListener("click", function() { gdv_697055f614b16rotationAngle = (gdv_697055f614b16rotationAngle + 90) % 360; gdv_697055f614b16drawImage(); });
gdv_697055f614b16rotateLeftButton.addEventListener("click", function() { gdv_697055f614b16rotationAngle = (gdv_697055f614b16rotationAngle - 90 + 360) % 360; gdv_697055f614b16drawImage(); });
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_697055f614b16currentImage.src = gdv_697055f614b16imageUrls[0]["url"]; gdv_697055f614b16imageName.innerHTML = filtrerChaine(gdv_697055f614b16imageUrls[0]["name"], "rien"); gdv_697055f614b16currentImage.onload = function() {
gdv_697055f614b16updateSlideNumber(); gdv_697055f614b16resizeCanvas(); gdv_697055f614b16drawImage(); document.getElementById("gdv_697055f614b16controls").style.display = "block"; };
function gdv_697055f614b16updateSlideNumber() { gdv_697055f614b16slideNumberDisplay.textContent = `${gdv_697055f614b16currentSlideIndex + 1} / ${gdv_697055f614b16imageUrls.length}`; }
gdv_697055f614b16prevSlideButton.addEventListener("click", function() { if (gdv_697055f614b16currentSlideIndex > 0) { gdv_697055f614b16currentSlideIndex--; gdv_697055f614b16loadImage(gdv_697055f614b16currentSlideIndex); gdv_697055f614b16updateSlideNumber(); } });
gdv_697055f614b16nextSlideButton.addEventListener("click", function() { if (gdv_697055f614b16currentSlideIndex < gdv_697055f614b16imageUrls.length - 1) { gdv_697055f614b16currentSlideIndex++; gdv_697055f614b16loadImage(gdv_697055f614b16currentSlideIndex); gdv_697055f614b16updateSlideNumber(); } }); function gdv_697055f614b16resizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_697055f614b16canvasContainer"); gdv_697055f614b16canvas.width = container.clientWidth; gdv_697055f614b16canvas.height = container.clientHeight - 30; gdv_697055f614b16fitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_697055f614b16drawImage(); } window.addEventListener("load", gdv_697055f614b16resizeCanvas); window.addEventListener("resize", gdv_697055f614b16resizeCanvas); function gdv_697055f614b16fitImageToCanvas() { const canvasAspect = gdv_697055f614b16canvas.width / gdv_697055f614b16canvas.height; const imageAspect = gdv_697055f614b16currentImage.width / gdv_697055f614b16currentImage.height; if (imageAspect > canvasAspect) { gdv_697055f614b16scale = gdv_697055f614b16canvas.width / gdv_697055f614b16currentImage.width; } else { gdv_697055f614b16scale = gdv_697055f614b16canvas.height / gdv_697055f614b16currentImage.height; } gdv_697055f614b16originX = gdv_697055f614b16canvas.width / 2; gdv_697055f614b16originY = gdv_697055f614b16canvas.height / 2; }
function gdv_697055f614b16drawImage() { gdv_697055f614b16ctx.clearRect(0, 0, gdv_697055f614b16canvas.width, gdv_697055f614b16canvas.height); gdv_697055f614b16ctx.save(); gdv_697055f614b16ctx.translate(gdv_697055f614b16originX, gdv_697055f614b16originY); gdv_697055f614b16ctx.rotate((Math.PI / 180) * gdv_697055f614b16rotationAngle); gdv_697055f614b16ctx.scale(gdv_697055f614b16scale, gdv_697055f614b16scale);
// Appliquer la luminosité et le contraste gdv_697055f614b16ctx.filter = `brightness(${gdv_697055f614b16brightnessInput.value}) contrast(${gdv_697055f614b16contrastInput.value})`; gdv_697055f614b16ctx.drawImage(gdv_697055f614b16currentImage, -gdv_697055f614b16currentImage.width/2, -gdv_697055f614b16currentImage.height/2); gdv_697055f614b16ctx.restore(); }
// Ajouter les miniatures des images gdv_697055f614b16imageUrls.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_697055f614b16loadImage(index); gdv_697055f614b16currentSlideIndex = index; gdv_697055f614b16updateSlideNumber(); }; slide.appendChild(img); gdv_697055f614b16thumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_697055f614b16loadImage(index) { gdv_697055f614b16currentImage.src = gdv_697055f614b16imageUrls[index]["url"]; gdv_697055f614b16imageName.innerHTML = filtrerChaine(gdv_697055f614b16imageUrls[index]["name"], "rien"); gdv_697055f614b16currentImage.onload = function() { gdv_697055f614b16scale = 1; gdv_697055f614b16originX = 0; gdv_697055f614b16originY = 0; gdv_697055f614b16fitImageToCanvas(); gdv_697055f614b16drawImage(); };
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_697055f614b16swiper = new Swiper(".gdv_697055f614b16swiper-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_697055f614b16swiper.on("slideChange", function () { // gdv_697055f614b16currentSlideIndex = gdv_697055f614b16swiper.activeIndex; // gdv_697055f614b16updateSlideNumber(); //});
// Plein écran gdv_697055f614b16fullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_697055f614b16gd-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_697055f614b16canvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_697055f614b16scale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_697055f614b16minScale, Math.min(gdv_697055f614b16maxScale, newScale)); const scaleRatio = newScale / gdv_697055f614b16scale; gdv_697055f614b16originX = mouseX - (mouseX - gdv_697055f614b16originX) * scaleRatio; gdv_697055f614b16originY = mouseY - (mouseY - gdv_697055f614b16originY) * scaleRatio; gdv_697055f614b16scale = newScale; gdv_697055f614b16drawImage(); }); // Gestion du déplacement (pan) let gdv_697055f614b16isDragging = false; let gdv_697055f614b16startX, gdv_697055f614b16startY; gdv_697055f614b16canvas.addEventListener("mousedown", function(event) { gdv_697055f614b16isDragging = true; gdv_697055f614b16startX = event.offsetX - gdv_697055f614b16originX; gdv_697055f614b16startY = event.offsetY - gdv_697055f614b16originY; gdv_697055f614b16canvas.style.cursor = "grabbing"; }); gdv_697055f614b16canvas.addEventListener("mousemove", function(event) { if (gdv_697055f614b16isDragging) { gdv_697055f614b16originX = event.offsetX - gdv_697055f614b16startX; gdv_697055f614b16originY = event.offsetY - gdv_697055f614b16startY; gdv_697055f614b16drawImage(); } }); // Gestion des événements tactiles gdv_697055f614b16canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_697055f614b16isDragging = true; const touch = event.touches[0]; gdv_697055f614b16startX = touch.pageX - gdv_697055f614b16originX; gdv_697055f614b16startY = touch.pageY - gdv_697055f614b16originY; } }); gdv_697055f614b16canvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_697055f614b16originX = touch.pageX - gdv_697055f614b16startX; gdv_697055f614b16originY = touch.pageY - gdv_697055f614b16startY; gdv_697055f614b16drawImage(); }); gdv_697055f614b16canvas.addEventListener("touchend", function() { gdv_697055f614b16isDragging = false; }); gdv_697055f614b16canvas.addEventListener("mouseup", function() { gdv_697055f614b16isDragging = false; gdv_697055f614b16canvas.style.cursor = "grab"; }); gdv_697055f614b16canvas.addEventListener("mouseleave", function() { gdv_697055f614b16isDragging = false; gdv_697055f614b16canvas.style.cursor = "grab"; }); gdv_697055f614b16zoomInButton.addEventListener("click", function() { let newScale = gdv_697055f614b16scale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_697055f614b16scale = Math.max(gdv_697055f614b16minScale, Math.min(gdv_697055f614b16maxScale, newScale)); gdv_697055f614b16drawImage(); }); gdv_697055f614b16zoomOutButton.addEventListener("click", function() { let newScale = gdv_697055f614b16scale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_697055f614b16scale = Math.max(gdv_697055f614b16minScale, Math.min(gdv_697055f614b16maxScale, newScale)); gdv_697055f614b16drawImage(); }); gdv_697055f614b16resetZoomButton.addEventListener("click", function() { gdv_697055f614b16rotationAngle = 0; gdv_697055f614b16fitImageToCanvas(); gdv_697055f614b16drawImage(); }); function gdv_697055f614b16getImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_697055f614b16downloadImage").addEventListener("click", function() { let url = gdv_697055f614b16currentImage.src; const imageId = gdv_697055f614b16getImageIdFromUrl(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_697055f614b16printImageFromApi(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_697055f614b16printButton = document.getElementById("gdv_697055f614b16printCanvas");
gdv_697055f614b16printButton.addEventListener("click", function() { let url = gdv_697055f614b16currentImage.src; const imageId = gdv_697055f614b16getImageIdFromUrl(url); gdv_697055f614b16printImageFromApi(imageId); });
let gdv_697055f614b16initialDistance = 0; let gdv_697055f614b16initialScale = 1;
gdv_697055f614b16canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_697055f614b16initialDistance = getDistance(event.touches[0], event.touches[1]); gdv_697055f614b16initialScale = gdv_697055f614b16scale; } });
gdv_697055f614b16canvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_697055f614b16initialDistance; let newScale = gdv_697055f614b16initialScale * scaleChange;
newScale = Math.max(gdv_697055f614b16minScale, Math.min(gdv_697055f614b16maxScale, 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_697055f614b16scale; gdv_697055f614b16originX = centerX - (centerX - gdv_697055f614b16originX) * scaleRatio; gdv_697055f614b16originY = centerY - (centerY - gdv_697055f614b16originY) * scaleRatio;
gdv_697055f614b16scale = newScale; gdv_697055f614b16drawImage(); // 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); }