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const gdv_68632f44b50bccanvas = document.getElementById("gdv_68632f44b50bcimageCanvas"); const gdv_68632f44b50bcctx = gdv_68632f44b50bccanvas.getContext("2d");
const gdv_68632f44b50bcthumbnailContainer = document.getElementById("gdv_68632f44b50bcthumbnailContainer"); const gdv_68632f44b50bcthumbnailContainerWrapper = document.getElementById("gdv_68632f44b50bcthumbnailContainerWrapper"); const gdv_68632f44b50bczoomInButton = document.getElementById("gdv_68632f44b50bczoomIn"); const gdv_68632f44b50bczoomOutButton = document.getElementById("gdv_68632f44b50bczoomOut"); const gdv_68632f44b50bcresetZoomButton = document.getElementById("gdv_68632f44b50bcresetZoom");
const gdv_68632f44b50bcbrightnessInput = document.getElementById("gdv_68632f44b50bcbrightness"); const gdv_68632f44b50bccontrastInput = document.getElementById("gdv_68632f44b50bccontrast"); const gdv_68632f44b50bcfullscreenButton = document.getElementById("gdv_68632f44b50bcfullscreen");
const gdv_68632f44b50bcrotateRightButton = document.getElementById("gdv_68632f44b50bcrotateRight"); const gdv_68632f44b50bcrotateLeftButton = document.getElementById("gdv_68632f44b50bcrotateLeft");
const gdv_68632f44b50bcprevSlideButton = document.getElementById("gdv_68632f44b50bcprevSlide"); const gdv_68632f44b50bcnextSlideButton = document.getElementById("gdv_68632f44b50bcnextSlide"); const gdv_68632f44b50bcslideNumberDisplay = document.getElementById("gdv_68632f44b50bcslideNumber"); const gdv_68632f44b50bcimageName = document.getElementById("gdv_68632f44b50bcimageName");
let gdv_68632f44b50bccurrentSlideIndex = 0;
gdv_68632f44b50bcbrightnessInput.addEventListener("input", gdv_68632f44b50bcdrawImage); gdv_68632f44b50bccontrastInput.addEventListener("input", gdv_68632f44b50bcdrawImage);
const gdv_68632f44b50bcimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1Kd53sFd3rdDnPlxsggwzJTFPgwz0O7DG&sz=w3000","name":"EPLO ET aILHAUD_Sur l'engagement dans la garde nationale.jpg"}];
let gdv_68632f44b50bcscale = 1; let gdv_68632f44b50bcoriginX = 0; let gdv_68632f44b50bcoriginY = 0; const gdv_68632f44b50bcminScale = 0.1; const gdv_68632f44b50bcmaxScale = 5; let gdv_68632f44b50bccurrentImage = new Image();
let gdv_68632f44b50bcrotationAngle = 0;
gdv_68632f44b50bcrotateRightButton.addEventListener("click", function() { gdv_68632f44b50bcrotationAngle = (gdv_68632f44b50bcrotationAngle + 90) % 360; gdv_68632f44b50bcdrawImage(); });
gdv_68632f44b50bcrotateLeftButton.addEventListener("click", function() { gdv_68632f44b50bcrotationAngle = (gdv_68632f44b50bcrotationAngle - 90 + 360) % 360; gdv_68632f44b50bcdrawImage(); });
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_68632f44b50bccurrentImage.src = gdv_68632f44b50bcimageUrls[0]["url"]; gdv_68632f44b50bcimageName.innerHTML = filtrerChaine(gdv_68632f44b50bcimageUrls[0]["name"], "rien"); gdv_68632f44b50bccurrentImage.onload = function() {
gdv_68632f44b50bcupdateSlideNumber(); gdv_68632f44b50bcresizeCanvas(); gdv_68632f44b50bcdrawImage(); document.getElementById("gdv_68632f44b50bccontrols").style.display = "block"; };
function gdv_68632f44b50bcupdateSlideNumber() { gdv_68632f44b50bcslideNumberDisplay.textContent = `${gdv_68632f44b50bccurrentSlideIndex + 1} / ${gdv_68632f44b50bcimageUrls.length}`; }
gdv_68632f44b50bcprevSlideButton.addEventListener("click", function() { if (gdv_68632f44b50bccurrentSlideIndex > 0) { gdv_68632f44b50bccurrentSlideIndex--; gdv_68632f44b50bcloadImage(gdv_68632f44b50bccurrentSlideIndex); gdv_68632f44b50bcupdateSlideNumber(); } });
gdv_68632f44b50bcnextSlideButton.addEventListener("click", function() { if (gdv_68632f44b50bccurrentSlideIndex < gdv_68632f44b50bcimageUrls.length - 1) { gdv_68632f44b50bccurrentSlideIndex++; gdv_68632f44b50bcloadImage(gdv_68632f44b50bccurrentSlideIndex); gdv_68632f44b50bcupdateSlideNumber(); } }); function gdv_68632f44b50bcresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_68632f44b50bccanvasContainer"); gdv_68632f44b50bccanvas.width = container.clientWidth; gdv_68632f44b50bccanvas.height = container.clientHeight - 30; gdv_68632f44b50bcfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_68632f44b50bcdrawImage(); } window.addEventListener("load", gdv_68632f44b50bcresizeCanvas); window.addEventListener("resize", gdv_68632f44b50bcresizeCanvas); function gdv_68632f44b50bcfitImageToCanvas() { const canvasAspect = gdv_68632f44b50bccanvas.width / gdv_68632f44b50bccanvas.height; const imageAspect = gdv_68632f44b50bccurrentImage.width / gdv_68632f44b50bccurrentImage.height; if (imageAspect > canvasAspect) { gdv_68632f44b50bcscale = gdv_68632f44b50bccanvas.width / gdv_68632f44b50bccurrentImage.width; } else { gdv_68632f44b50bcscale = gdv_68632f44b50bccanvas.height / gdv_68632f44b50bccurrentImage.height; } gdv_68632f44b50bcoriginX = gdv_68632f44b50bccanvas.width / 2; gdv_68632f44b50bcoriginY = gdv_68632f44b50bccanvas.height / 2; }
function gdv_68632f44b50bcdrawImage() { gdv_68632f44b50bcctx.clearRect(0, 0, gdv_68632f44b50bccanvas.width, gdv_68632f44b50bccanvas.height); gdv_68632f44b50bcctx.save(); gdv_68632f44b50bcctx.translate(gdv_68632f44b50bcoriginX, gdv_68632f44b50bcoriginY); gdv_68632f44b50bcctx.rotate((Math.PI / 180) * gdv_68632f44b50bcrotationAngle); gdv_68632f44b50bcctx.scale(gdv_68632f44b50bcscale, gdv_68632f44b50bcscale);
// Appliquer la luminosité et le contraste gdv_68632f44b50bcctx.filter = `brightness(${gdv_68632f44b50bcbrightnessInput.value}) contrast(${gdv_68632f44b50bccontrastInput.value})`; gdv_68632f44b50bcctx.drawImage(gdv_68632f44b50bccurrentImage, -gdv_68632f44b50bccurrentImage.width/2, -gdv_68632f44b50bccurrentImage.height/2); gdv_68632f44b50bcctx.restore(); }
// Ajouter les miniatures des images gdv_68632f44b50bcimageUrls.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_68632f44b50bcloadImage(index); gdv_68632f44b50bccurrentSlideIndex = index; gdv_68632f44b50bcupdateSlideNumber(); }; slide.appendChild(img); gdv_68632f44b50bcthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_68632f44b50bcloadImage(index) { gdv_68632f44b50bccurrentImage.src = gdv_68632f44b50bcimageUrls[index]["url"]; gdv_68632f44b50bcimageName.innerHTML = filtrerChaine(gdv_68632f44b50bcimageUrls[index]["name"], "rien"); gdv_68632f44b50bccurrentImage.onload = function() { gdv_68632f44b50bcscale = 1; gdv_68632f44b50bcoriginX = 0; gdv_68632f44b50bcoriginY = 0; gdv_68632f44b50bcfitImageToCanvas(); gdv_68632f44b50bcdrawImage(); };
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_68632f44b50bcswiper = new Swiper(".gdv_68632f44b50bcswiper-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_68632f44b50bcswiper.on("slideChange", function () { // gdv_68632f44b50bccurrentSlideIndex = gdv_68632f44b50bcswiper.activeIndex; // gdv_68632f44b50bcupdateSlideNumber(); //});
// Plein écran gdv_68632f44b50bcfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_68632f44b50bcgd-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_68632f44b50bccanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_68632f44b50bcscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_68632f44b50bcminScale, Math.min(gdv_68632f44b50bcmaxScale, newScale)); const scaleRatio = newScale / gdv_68632f44b50bcscale; gdv_68632f44b50bcoriginX = mouseX - (mouseX - gdv_68632f44b50bcoriginX) * scaleRatio; gdv_68632f44b50bcoriginY = mouseY - (mouseY - gdv_68632f44b50bcoriginY) * scaleRatio; gdv_68632f44b50bcscale = newScale; gdv_68632f44b50bcdrawImage(); }); // Gestion du déplacement (pan) let gdv_68632f44b50bcisDragging = false; let gdv_68632f44b50bcstartX, gdv_68632f44b50bcstartY; gdv_68632f44b50bccanvas.addEventListener("mousedown", function(event) { gdv_68632f44b50bcisDragging = true; gdv_68632f44b50bcstartX = event.offsetX - gdv_68632f44b50bcoriginX; gdv_68632f44b50bcstartY = event.offsetY - gdv_68632f44b50bcoriginY; gdv_68632f44b50bccanvas.style.cursor = "grabbing"; }); gdv_68632f44b50bccanvas.addEventListener("mousemove", function(event) { if (gdv_68632f44b50bcisDragging) { gdv_68632f44b50bcoriginX = event.offsetX - gdv_68632f44b50bcstartX; gdv_68632f44b50bcoriginY = event.offsetY - gdv_68632f44b50bcstartY; gdv_68632f44b50bcdrawImage(); } }); // Gestion des événements tactiles gdv_68632f44b50bccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_68632f44b50bcisDragging = true; const touch = event.touches[0]; gdv_68632f44b50bcstartX = touch.pageX - gdv_68632f44b50bcoriginX; gdv_68632f44b50bcstartY = touch.pageY - gdv_68632f44b50bcoriginY; } }); gdv_68632f44b50bccanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_68632f44b50bcoriginX = touch.pageX - gdv_68632f44b50bcstartX; gdv_68632f44b50bcoriginY = touch.pageY - gdv_68632f44b50bcstartY; gdv_68632f44b50bcdrawImage(); }); gdv_68632f44b50bccanvas.addEventListener("touchend", function() { gdv_68632f44b50bcisDragging = false; }); gdv_68632f44b50bccanvas.addEventListener("mouseup", function() { gdv_68632f44b50bcisDragging = false; gdv_68632f44b50bccanvas.style.cursor = "grab"; }); gdv_68632f44b50bccanvas.addEventListener("mouseleave", function() { gdv_68632f44b50bcisDragging = false; gdv_68632f44b50bccanvas.style.cursor = "grab"; }); gdv_68632f44b50bczoomInButton.addEventListener("click", function() { let newScale = gdv_68632f44b50bcscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_68632f44b50bcscale = Math.max(gdv_68632f44b50bcminScale, Math.min(gdv_68632f44b50bcmaxScale, newScale)); gdv_68632f44b50bcdrawImage(); }); gdv_68632f44b50bczoomOutButton.addEventListener("click", function() { let newScale = gdv_68632f44b50bcscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_68632f44b50bcscale = Math.max(gdv_68632f44b50bcminScale, Math.min(gdv_68632f44b50bcmaxScale, newScale)); gdv_68632f44b50bcdrawImage(); }); gdv_68632f44b50bcresetZoomButton.addEventListener("click", function() { gdv_68632f44b50bcrotationAngle = 0; gdv_68632f44b50bcfitImageToCanvas(); gdv_68632f44b50bcdrawImage(); }); function gdv_68632f44b50bcgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_68632f44b50bcdownloadImage").addEventListener("click", function() { let url = gdv_68632f44b50bccurrentImage.src; const imageId = gdv_68632f44b50bcgetImageIdFromUrl(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_68632f44b50bcprintImageFromApi(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_68632f44b50bcprintButton = document.getElementById("gdv_68632f44b50bcprintCanvas");
gdv_68632f44b50bcprintButton.addEventListener("click", function() { let url = gdv_68632f44b50bccurrentImage.src; const imageId = gdv_68632f44b50bcgetImageIdFromUrl(url); gdv_68632f44b50bcprintImageFromApi(imageId); });
let gdv_68632f44b50bcinitialDistance = 0; let gdv_68632f44b50bcinitialScale = 1;
gdv_68632f44b50bccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_68632f44b50bcinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_68632f44b50bcinitialScale = gdv_68632f44b50bcscale; } });
gdv_68632f44b50bccanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_68632f44b50bcinitialDistance; let newScale = gdv_68632f44b50bcinitialScale * scaleChange;
newScale = Math.max(gdv_68632f44b50bcminScale, Math.min(gdv_68632f44b50bcmaxScale, 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_68632f44b50bcscale; gdv_68632f44b50bcoriginX = centerX - (centerX - gdv_68632f44b50bcoriginX) * scaleRatio; gdv_68632f44b50bcoriginY = centerY - (centerY - gdv_68632f44b50bcoriginY) * scaleRatio;
gdv_68632f44b50bcscale = newScale; gdv_68632f44b50bcdrawImage(); // 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); }