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const gdv_6970435a27f2bcanvas = document.getElementById("gdv_6970435a27f2bimageCanvas"); const gdv_6970435a27f2bctx = gdv_6970435a27f2bcanvas.getContext("2d");
const gdv_6970435a27f2bthumbnailContainer = document.getElementById("gdv_6970435a27f2bthumbnailContainer"); const gdv_6970435a27f2bthumbnailContainerWrapper = document.getElementById("gdv_6970435a27f2bthumbnailContainerWrapper"); const gdv_6970435a27f2bzoomInButton = document.getElementById("gdv_6970435a27f2bzoomIn"); const gdv_6970435a27f2bzoomOutButton = document.getElementById("gdv_6970435a27f2bzoomOut"); const gdv_6970435a27f2bresetZoomButton = document.getElementById("gdv_6970435a27f2bresetZoom");
const gdv_6970435a27f2bbrightnessInput = document.getElementById("gdv_6970435a27f2bbrightness"); const gdv_6970435a27f2bcontrastInput = document.getElementById("gdv_6970435a27f2bcontrast"); const gdv_6970435a27f2bfullscreenButton = document.getElementById("gdv_6970435a27f2bfullscreen");
const gdv_6970435a27f2brotateRightButton = document.getElementById("gdv_6970435a27f2brotateRight"); const gdv_6970435a27f2brotateLeftButton = document.getElementById("gdv_6970435a27f2brotateLeft");
const gdv_6970435a27f2bprevSlideButton = document.getElementById("gdv_6970435a27f2bprevSlide"); const gdv_6970435a27f2bnextSlideButton = document.getElementById("gdv_6970435a27f2bnextSlide"); const gdv_6970435a27f2bslideNumberDisplay = document.getElementById("gdv_6970435a27f2bslideNumber"); const gdv_6970435a27f2bimageName = document.getElementById("gdv_6970435a27f2bimageName");
let gdv_6970435a27f2bcurrentSlideIndex = 0;
gdv_6970435a27f2bbrightnessInput.addEventListener("input", gdv_6970435a27f2bdrawImage); gdv_6970435a27f2bcontrastInput.addEventListener("input", gdv_6970435a27f2bdrawImage);
const gdv_6970435a27f2bimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1kAVog-2qaY7IhFUAyxX1rHFkfPoKU1dB&sz=w3000","name":"ComCivils_rations militaires.jpg"}];
let gdv_6970435a27f2bscale = 1; let gdv_6970435a27f2boriginX = 0; let gdv_6970435a27f2boriginY = 0; const gdv_6970435a27f2bminScale = 0.1; const gdv_6970435a27f2bmaxScale = 5; let gdv_6970435a27f2bcurrentImage = new Image();
let gdv_6970435a27f2brotationAngle = 0;
gdv_6970435a27f2brotateRightButton.addEventListener("click", function() { gdv_6970435a27f2brotationAngle = (gdv_6970435a27f2brotationAngle + 90) % 360; gdv_6970435a27f2bdrawImage(); });
gdv_6970435a27f2brotateLeftButton.addEventListener("click", function() { gdv_6970435a27f2brotationAngle = (gdv_6970435a27f2brotationAngle - 90 + 360) % 360; gdv_6970435a27f2bdrawImage(); });
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_6970435a27f2bcurrentImage.src = gdv_6970435a27f2bimageUrls[0]["url"]; gdv_6970435a27f2bimageName.innerHTML = filtrerChaine(gdv_6970435a27f2bimageUrls[0]["name"], "rien"); gdv_6970435a27f2bcurrentImage.onload = function() {
gdv_6970435a27f2bupdateSlideNumber(); gdv_6970435a27f2bresizeCanvas(); gdv_6970435a27f2bdrawImage(); document.getElementById("gdv_6970435a27f2bcontrols").style.display = "block"; };
function gdv_6970435a27f2bupdateSlideNumber() { gdv_6970435a27f2bslideNumberDisplay.textContent = `${gdv_6970435a27f2bcurrentSlideIndex + 1} / ${gdv_6970435a27f2bimageUrls.length}`; }
gdv_6970435a27f2bprevSlideButton.addEventListener("click", function() { if (gdv_6970435a27f2bcurrentSlideIndex > 0) { gdv_6970435a27f2bcurrentSlideIndex--; gdv_6970435a27f2bloadImage(gdv_6970435a27f2bcurrentSlideIndex); gdv_6970435a27f2bupdateSlideNumber(); } });
gdv_6970435a27f2bnextSlideButton.addEventListener("click", function() { if (gdv_6970435a27f2bcurrentSlideIndex < gdv_6970435a27f2bimageUrls.length - 1) { gdv_6970435a27f2bcurrentSlideIndex++; gdv_6970435a27f2bloadImage(gdv_6970435a27f2bcurrentSlideIndex); gdv_6970435a27f2bupdateSlideNumber(); } }); function gdv_6970435a27f2bresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_6970435a27f2bcanvasContainer"); gdv_6970435a27f2bcanvas.width = container.clientWidth; gdv_6970435a27f2bcanvas.height = container.clientHeight - 30; gdv_6970435a27f2bfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_6970435a27f2bdrawImage(); } window.addEventListener("load", gdv_6970435a27f2bresizeCanvas); window.addEventListener("resize", gdv_6970435a27f2bresizeCanvas); function gdv_6970435a27f2bfitImageToCanvas() { const canvasAspect = gdv_6970435a27f2bcanvas.width / gdv_6970435a27f2bcanvas.height; const imageAspect = gdv_6970435a27f2bcurrentImage.width / gdv_6970435a27f2bcurrentImage.height; if (imageAspect > canvasAspect) { gdv_6970435a27f2bscale = gdv_6970435a27f2bcanvas.width / gdv_6970435a27f2bcurrentImage.width; } else { gdv_6970435a27f2bscale = gdv_6970435a27f2bcanvas.height / gdv_6970435a27f2bcurrentImage.height; } gdv_6970435a27f2boriginX = gdv_6970435a27f2bcanvas.width / 2; gdv_6970435a27f2boriginY = gdv_6970435a27f2bcanvas.height / 2; }
function gdv_6970435a27f2bdrawImage() { gdv_6970435a27f2bctx.clearRect(0, 0, gdv_6970435a27f2bcanvas.width, gdv_6970435a27f2bcanvas.height); gdv_6970435a27f2bctx.save(); gdv_6970435a27f2bctx.translate(gdv_6970435a27f2boriginX, gdv_6970435a27f2boriginY); gdv_6970435a27f2bctx.rotate((Math.PI / 180) * gdv_6970435a27f2brotationAngle); gdv_6970435a27f2bctx.scale(gdv_6970435a27f2bscale, gdv_6970435a27f2bscale);
// Appliquer la luminosité et le contraste gdv_6970435a27f2bctx.filter = `brightness(${gdv_6970435a27f2bbrightnessInput.value}) contrast(${gdv_6970435a27f2bcontrastInput.value})`; gdv_6970435a27f2bctx.drawImage(gdv_6970435a27f2bcurrentImage, -gdv_6970435a27f2bcurrentImage.width/2, -gdv_6970435a27f2bcurrentImage.height/2); gdv_6970435a27f2bctx.restore(); }
// Ajouter les miniatures des images gdv_6970435a27f2bimageUrls.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_6970435a27f2bloadImage(index); gdv_6970435a27f2bcurrentSlideIndex = index; gdv_6970435a27f2bupdateSlideNumber(); }; slide.appendChild(img); gdv_6970435a27f2bthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_6970435a27f2bloadImage(index) { gdv_6970435a27f2bcurrentImage.src = gdv_6970435a27f2bimageUrls[index]["url"]; gdv_6970435a27f2bimageName.innerHTML = filtrerChaine(gdv_6970435a27f2bimageUrls[index]["name"], "rien"); gdv_6970435a27f2bcurrentImage.onload = function() { gdv_6970435a27f2bscale = 1; gdv_6970435a27f2boriginX = 0; gdv_6970435a27f2boriginY = 0; gdv_6970435a27f2bfitImageToCanvas(); gdv_6970435a27f2bdrawImage(); };
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_6970435a27f2bswiper = new Swiper(".gdv_6970435a27f2bswiper-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_6970435a27f2bswiper.on("slideChange", function () { // gdv_6970435a27f2bcurrentSlideIndex = gdv_6970435a27f2bswiper.activeIndex; // gdv_6970435a27f2bupdateSlideNumber(); //});
// Plein écran gdv_6970435a27f2bfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_6970435a27f2bgd-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_6970435a27f2bcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_6970435a27f2bscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_6970435a27f2bminScale, Math.min(gdv_6970435a27f2bmaxScale, newScale)); const scaleRatio = newScale / gdv_6970435a27f2bscale; gdv_6970435a27f2boriginX = mouseX - (mouseX - gdv_6970435a27f2boriginX) * scaleRatio; gdv_6970435a27f2boriginY = mouseY - (mouseY - gdv_6970435a27f2boriginY) * scaleRatio; gdv_6970435a27f2bscale = newScale; gdv_6970435a27f2bdrawImage(); }); // Gestion du déplacement (pan) let gdv_6970435a27f2bisDragging = false; let gdv_6970435a27f2bstartX, gdv_6970435a27f2bstartY; gdv_6970435a27f2bcanvas.addEventListener("mousedown", function(event) { gdv_6970435a27f2bisDragging = true; gdv_6970435a27f2bstartX = event.offsetX - gdv_6970435a27f2boriginX; gdv_6970435a27f2bstartY = event.offsetY - gdv_6970435a27f2boriginY; gdv_6970435a27f2bcanvas.style.cursor = "grabbing"; }); gdv_6970435a27f2bcanvas.addEventListener("mousemove", function(event) { if (gdv_6970435a27f2bisDragging) { gdv_6970435a27f2boriginX = event.offsetX - gdv_6970435a27f2bstartX; gdv_6970435a27f2boriginY = event.offsetY - gdv_6970435a27f2bstartY; gdv_6970435a27f2bdrawImage(); } }); // Gestion des événements tactiles gdv_6970435a27f2bcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_6970435a27f2bisDragging = true; const touch = event.touches[0]; gdv_6970435a27f2bstartX = touch.pageX - gdv_6970435a27f2boriginX; gdv_6970435a27f2bstartY = touch.pageY - gdv_6970435a27f2boriginY; } }); gdv_6970435a27f2bcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_6970435a27f2boriginX = touch.pageX - gdv_6970435a27f2bstartX; gdv_6970435a27f2boriginY = touch.pageY - gdv_6970435a27f2bstartY; gdv_6970435a27f2bdrawImage(); }); gdv_6970435a27f2bcanvas.addEventListener("touchend", function() { gdv_6970435a27f2bisDragging = false; }); gdv_6970435a27f2bcanvas.addEventListener("mouseup", function() { gdv_6970435a27f2bisDragging = false; gdv_6970435a27f2bcanvas.style.cursor = "grab"; }); gdv_6970435a27f2bcanvas.addEventListener("mouseleave", function() { gdv_6970435a27f2bisDragging = false; gdv_6970435a27f2bcanvas.style.cursor = "grab"; }); gdv_6970435a27f2bzoomInButton.addEventListener("click", function() { let newScale = gdv_6970435a27f2bscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_6970435a27f2bscale = Math.max(gdv_6970435a27f2bminScale, Math.min(gdv_6970435a27f2bmaxScale, newScale)); gdv_6970435a27f2bdrawImage(); }); gdv_6970435a27f2bzoomOutButton.addEventListener("click", function() { let newScale = gdv_6970435a27f2bscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_6970435a27f2bscale = Math.max(gdv_6970435a27f2bminScale, Math.min(gdv_6970435a27f2bmaxScale, newScale)); gdv_6970435a27f2bdrawImage(); }); gdv_6970435a27f2bresetZoomButton.addEventListener("click", function() { gdv_6970435a27f2brotationAngle = 0; gdv_6970435a27f2bfitImageToCanvas(); gdv_6970435a27f2bdrawImage(); }); function gdv_6970435a27f2bgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_6970435a27f2bdownloadImage").addEventListener("click", function() { let url = gdv_6970435a27f2bcurrentImage.src; const imageId = gdv_6970435a27f2bgetImageIdFromUrl(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_6970435a27f2bprintImageFromApi(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_6970435a27f2bprintButton = document.getElementById("gdv_6970435a27f2bprintCanvas");
gdv_6970435a27f2bprintButton.addEventListener("click", function() { let url = gdv_6970435a27f2bcurrentImage.src; const imageId = gdv_6970435a27f2bgetImageIdFromUrl(url); gdv_6970435a27f2bprintImageFromApi(imageId); });
let gdv_6970435a27f2binitialDistance = 0; let gdv_6970435a27f2binitialScale = 1;
gdv_6970435a27f2bcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_6970435a27f2binitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_6970435a27f2binitialScale = gdv_6970435a27f2bscale; } });
gdv_6970435a27f2bcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_6970435a27f2binitialDistance; let newScale = gdv_6970435a27f2binitialScale * scaleChange;
newScale = Math.max(gdv_6970435a27f2bminScale, Math.min(gdv_6970435a27f2bmaxScale, 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_6970435a27f2bscale; gdv_6970435a27f2boriginX = centerX - (centerX - gdv_6970435a27f2boriginX) * scaleRatio; gdv_6970435a27f2boriginY = centerY - (centerY - gdv_6970435a27f2boriginY) * scaleRatio;
gdv_6970435a27f2bscale = newScale; gdv_6970435a27f2bdrawImage(); // 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); }