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const gdv_6918e2f6b229ecanvas = document.getElementById("gdv_6918e2f6b229eimageCanvas"); const gdv_6918e2f6b229ectx = gdv_6918e2f6b229ecanvas.getContext("2d");
const gdv_6918e2f6b229ethumbnailContainer = document.getElementById("gdv_6918e2f6b229ethumbnailContainer"); const gdv_6918e2f6b229ethumbnailContainerWrapper = document.getElementById("gdv_6918e2f6b229ethumbnailContainerWrapper"); const gdv_6918e2f6b229ezoomInButton = document.getElementById("gdv_6918e2f6b229ezoomIn"); const gdv_6918e2f6b229ezoomOutButton = document.getElementById("gdv_6918e2f6b229ezoomOut"); const gdv_6918e2f6b229eresetZoomButton = document.getElementById("gdv_6918e2f6b229eresetZoom");
const gdv_6918e2f6b229ebrightnessInput = document.getElementById("gdv_6918e2f6b229ebrightness"); const gdv_6918e2f6b229econtrastInput = document.getElementById("gdv_6918e2f6b229econtrast"); const gdv_6918e2f6b229efullscreenButton = document.getElementById("gdv_6918e2f6b229efullscreen");
const gdv_6918e2f6b229erotateRightButton = document.getElementById("gdv_6918e2f6b229erotateRight"); const gdv_6918e2f6b229erotateLeftButton = document.getElementById("gdv_6918e2f6b229erotateLeft");
const gdv_6918e2f6b229eprevSlideButton = document.getElementById("gdv_6918e2f6b229eprevSlide"); const gdv_6918e2f6b229enextSlideButton = document.getElementById("gdv_6918e2f6b229enextSlide"); const gdv_6918e2f6b229eslideNumberDisplay = document.getElementById("gdv_6918e2f6b229eslideNumber"); const gdv_6918e2f6b229eimageName = document.getElementById("gdv_6918e2f6b229eimageName");
let gdv_6918e2f6b229ecurrentSlideIndex = 0;
gdv_6918e2f6b229ebrightnessInput.addEventListener("input", gdv_6918e2f6b229edrawImage); gdv_6918e2f6b229econtrastInput.addEventListener("input", gdv_6918e2f6b229edrawImage);
const gdv_6918e2f6b229eimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1Amei08f1-iC8ymQZly5OugchAQN66Zuf&sz=w3000","name":"EPOL et LFS_Sur l'e\u0301tat des troupes et des munitions de l'Ouest.jpg"}];
let gdv_6918e2f6b229escale = 1; let gdv_6918e2f6b229eoriginX = 0; let gdv_6918e2f6b229eoriginY = 0; const gdv_6918e2f6b229eminScale = 0.1; const gdv_6918e2f6b229emaxScale = 5; let gdv_6918e2f6b229ecurrentImage = new Image();
let gdv_6918e2f6b229erotationAngle = 0;
gdv_6918e2f6b229erotateRightButton.addEventListener("click", function() { gdv_6918e2f6b229erotationAngle = (gdv_6918e2f6b229erotationAngle + 90) % 360; gdv_6918e2f6b229edrawImage(); });
gdv_6918e2f6b229erotateLeftButton.addEventListener("click", function() { gdv_6918e2f6b229erotationAngle = (gdv_6918e2f6b229erotationAngle - 90 + 360) % 360; gdv_6918e2f6b229edrawImage(); });
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_6918e2f6b229ecurrentImage.src = gdv_6918e2f6b229eimageUrls[0]["url"]; gdv_6918e2f6b229eimageName.innerHTML = filtrerChaine(gdv_6918e2f6b229eimageUrls[0]["name"], "rien"); gdv_6918e2f6b229ecurrentImage.onload = function() {
gdv_6918e2f6b229eupdateSlideNumber(); gdv_6918e2f6b229eresizeCanvas(); gdv_6918e2f6b229edrawImage(); document.getElementById("gdv_6918e2f6b229econtrols").style.display = "block"; };
function gdv_6918e2f6b229eupdateSlideNumber() { gdv_6918e2f6b229eslideNumberDisplay.textContent = `${gdv_6918e2f6b229ecurrentSlideIndex + 1} / ${gdv_6918e2f6b229eimageUrls.length}`; }
gdv_6918e2f6b229eprevSlideButton.addEventListener("click", function() { if (gdv_6918e2f6b229ecurrentSlideIndex > 0) { gdv_6918e2f6b229ecurrentSlideIndex--; gdv_6918e2f6b229eloadImage(gdv_6918e2f6b229ecurrentSlideIndex); gdv_6918e2f6b229eupdateSlideNumber(); } });
gdv_6918e2f6b229enextSlideButton.addEventListener("click", function() { if (gdv_6918e2f6b229ecurrentSlideIndex < gdv_6918e2f6b229eimageUrls.length - 1) { gdv_6918e2f6b229ecurrentSlideIndex++; gdv_6918e2f6b229eloadImage(gdv_6918e2f6b229ecurrentSlideIndex); gdv_6918e2f6b229eupdateSlideNumber(); } }); function gdv_6918e2f6b229eresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_6918e2f6b229ecanvasContainer"); gdv_6918e2f6b229ecanvas.width = container.clientWidth; gdv_6918e2f6b229ecanvas.height = container.clientHeight - 30; gdv_6918e2f6b229efitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_6918e2f6b229edrawImage(); } window.addEventListener("load", gdv_6918e2f6b229eresizeCanvas); window.addEventListener("resize", gdv_6918e2f6b229eresizeCanvas); function gdv_6918e2f6b229efitImageToCanvas() { const canvasAspect = gdv_6918e2f6b229ecanvas.width / gdv_6918e2f6b229ecanvas.height; const imageAspect = gdv_6918e2f6b229ecurrentImage.width / gdv_6918e2f6b229ecurrentImage.height; if (imageAspect > canvasAspect) { gdv_6918e2f6b229escale = gdv_6918e2f6b229ecanvas.width / gdv_6918e2f6b229ecurrentImage.width; } else { gdv_6918e2f6b229escale = gdv_6918e2f6b229ecanvas.height / gdv_6918e2f6b229ecurrentImage.height; } gdv_6918e2f6b229eoriginX = gdv_6918e2f6b229ecanvas.width / 2; gdv_6918e2f6b229eoriginY = gdv_6918e2f6b229ecanvas.height / 2; }
function gdv_6918e2f6b229edrawImage() { gdv_6918e2f6b229ectx.clearRect(0, 0, gdv_6918e2f6b229ecanvas.width, gdv_6918e2f6b229ecanvas.height); gdv_6918e2f6b229ectx.save(); gdv_6918e2f6b229ectx.translate(gdv_6918e2f6b229eoriginX, gdv_6918e2f6b229eoriginY); gdv_6918e2f6b229ectx.rotate((Math.PI / 180) * gdv_6918e2f6b229erotationAngle); gdv_6918e2f6b229ectx.scale(gdv_6918e2f6b229escale, gdv_6918e2f6b229escale);
// Appliquer la luminosité et le contraste gdv_6918e2f6b229ectx.filter = `brightness(${gdv_6918e2f6b229ebrightnessInput.value}) contrast(${gdv_6918e2f6b229econtrastInput.value})`; gdv_6918e2f6b229ectx.drawImage(gdv_6918e2f6b229ecurrentImage, -gdv_6918e2f6b229ecurrentImage.width/2, -gdv_6918e2f6b229ecurrentImage.height/2); gdv_6918e2f6b229ectx.restore(); }
// Ajouter les miniatures des images gdv_6918e2f6b229eimageUrls.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_6918e2f6b229eloadImage(index); gdv_6918e2f6b229ecurrentSlideIndex = index; gdv_6918e2f6b229eupdateSlideNumber(); }; slide.appendChild(img); gdv_6918e2f6b229ethumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_6918e2f6b229eloadImage(index) { gdv_6918e2f6b229ecurrentImage.src = gdv_6918e2f6b229eimageUrls[index]["url"]; gdv_6918e2f6b229eimageName.innerHTML = filtrerChaine(gdv_6918e2f6b229eimageUrls[index]["name"], "rien"); gdv_6918e2f6b229ecurrentImage.onload = function() { gdv_6918e2f6b229escale = 1; gdv_6918e2f6b229eoriginX = 0; gdv_6918e2f6b229eoriginY = 0; gdv_6918e2f6b229efitImageToCanvas(); gdv_6918e2f6b229edrawImage(); };
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_6918e2f6b229eswiper = new Swiper(".gdv_6918e2f6b229eswiper-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_6918e2f6b229eswiper.on("slideChange", function () { // gdv_6918e2f6b229ecurrentSlideIndex = gdv_6918e2f6b229eswiper.activeIndex; // gdv_6918e2f6b229eupdateSlideNumber(); //});
// Plein écran gdv_6918e2f6b229efullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_6918e2f6b229egd-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_6918e2f6b229ecanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_6918e2f6b229escale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_6918e2f6b229eminScale, Math.min(gdv_6918e2f6b229emaxScale, newScale)); const scaleRatio = newScale / gdv_6918e2f6b229escale; gdv_6918e2f6b229eoriginX = mouseX - (mouseX - gdv_6918e2f6b229eoriginX) * scaleRatio; gdv_6918e2f6b229eoriginY = mouseY - (mouseY - gdv_6918e2f6b229eoriginY) * scaleRatio; gdv_6918e2f6b229escale = newScale; gdv_6918e2f6b229edrawImage(); }); // Gestion du déplacement (pan) let gdv_6918e2f6b229eisDragging = false; let gdv_6918e2f6b229estartX, gdv_6918e2f6b229estartY; gdv_6918e2f6b229ecanvas.addEventListener("mousedown", function(event) { gdv_6918e2f6b229eisDragging = true; gdv_6918e2f6b229estartX = event.offsetX - gdv_6918e2f6b229eoriginX; gdv_6918e2f6b229estartY = event.offsetY - gdv_6918e2f6b229eoriginY; gdv_6918e2f6b229ecanvas.style.cursor = "grabbing"; }); gdv_6918e2f6b229ecanvas.addEventListener("mousemove", function(event) { if (gdv_6918e2f6b229eisDragging) { gdv_6918e2f6b229eoriginX = event.offsetX - gdv_6918e2f6b229estartX; gdv_6918e2f6b229eoriginY = event.offsetY - gdv_6918e2f6b229estartY; gdv_6918e2f6b229edrawImage(); } }); // Gestion des événements tactiles gdv_6918e2f6b229ecanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_6918e2f6b229eisDragging = true; const touch = event.touches[0]; gdv_6918e2f6b229estartX = touch.pageX - gdv_6918e2f6b229eoriginX; gdv_6918e2f6b229estartY = touch.pageY - gdv_6918e2f6b229eoriginY; } }); gdv_6918e2f6b229ecanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_6918e2f6b229eoriginX = touch.pageX - gdv_6918e2f6b229estartX; gdv_6918e2f6b229eoriginY = touch.pageY - gdv_6918e2f6b229estartY; gdv_6918e2f6b229edrawImage(); }); gdv_6918e2f6b229ecanvas.addEventListener("touchend", function() { gdv_6918e2f6b229eisDragging = false; }); gdv_6918e2f6b229ecanvas.addEventListener("mouseup", function() { gdv_6918e2f6b229eisDragging = false; gdv_6918e2f6b229ecanvas.style.cursor = "grab"; }); gdv_6918e2f6b229ecanvas.addEventListener("mouseleave", function() { gdv_6918e2f6b229eisDragging = false; gdv_6918e2f6b229ecanvas.style.cursor = "grab"; }); gdv_6918e2f6b229ezoomInButton.addEventListener("click", function() { let newScale = gdv_6918e2f6b229escale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_6918e2f6b229escale = Math.max(gdv_6918e2f6b229eminScale, Math.min(gdv_6918e2f6b229emaxScale, newScale)); gdv_6918e2f6b229edrawImage(); }); gdv_6918e2f6b229ezoomOutButton.addEventListener("click", function() { let newScale = gdv_6918e2f6b229escale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_6918e2f6b229escale = Math.max(gdv_6918e2f6b229eminScale, Math.min(gdv_6918e2f6b229emaxScale, newScale)); gdv_6918e2f6b229edrawImage(); }); gdv_6918e2f6b229eresetZoomButton.addEventListener("click", function() { gdv_6918e2f6b229erotationAngle = 0; gdv_6918e2f6b229efitImageToCanvas(); gdv_6918e2f6b229edrawImage(); }); function gdv_6918e2f6b229egetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_6918e2f6b229edownloadImage").addEventListener("click", function() { let url = gdv_6918e2f6b229ecurrentImage.src; const imageId = gdv_6918e2f6b229egetImageIdFromUrl(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_6918e2f6b229eprintImageFromApi(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_6918e2f6b229eprintButton = document.getElementById("gdv_6918e2f6b229eprintCanvas");
gdv_6918e2f6b229eprintButton.addEventListener("click", function() { let url = gdv_6918e2f6b229ecurrentImage.src; const imageId = gdv_6918e2f6b229egetImageIdFromUrl(url); gdv_6918e2f6b229eprintImageFromApi(imageId); });
let gdv_6918e2f6b229einitialDistance = 0; let gdv_6918e2f6b229einitialScale = 1;
gdv_6918e2f6b229ecanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_6918e2f6b229einitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_6918e2f6b229einitialScale = gdv_6918e2f6b229escale; } });
gdv_6918e2f6b229ecanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_6918e2f6b229einitialDistance; let newScale = gdv_6918e2f6b229einitialScale * scaleChange;
newScale = Math.max(gdv_6918e2f6b229eminScale, Math.min(gdv_6918e2f6b229emaxScale, 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_6918e2f6b229escale; gdv_6918e2f6b229eoriginX = centerX - (centerX - gdv_6918e2f6b229eoriginX) * scaleRatio; gdv_6918e2f6b229eoriginY = centerY - (centerY - gdv_6918e2f6b229eoriginY) * scaleRatio;
gdv_6918e2f6b229escale = newScale; gdv_6918e2f6b229edrawImage(); // 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); }