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const gdv_69b22ef26fa1ecanvas = document.getElementById("gdv_69b22ef26fa1eimageCanvas"); const gdv_69b22ef26fa1ectx = gdv_69b22ef26fa1ecanvas.getContext("2d");
const gdv_69b22ef26fa1ethumbnailContainer = document.getElementById("gdv_69b22ef26fa1ethumbnailContainer"); const gdv_69b22ef26fa1ethumbnailContainerWrapper = document.getElementById("gdv_69b22ef26fa1ethumbnailContainerWrapper"); const gdv_69b22ef26fa1ezoomInButton = document.getElementById("gdv_69b22ef26fa1ezoomIn"); const gdv_69b22ef26fa1ezoomOutButton = document.getElementById("gdv_69b22ef26fa1ezoomOut"); const gdv_69b22ef26fa1eresetZoomButton = document.getElementById("gdv_69b22ef26fa1eresetZoom");
const gdv_69b22ef26fa1ebrightnessInput = document.getElementById("gdv_69b22ef26fa1ebrightness"); const gdv_69b22ef26fa1econtrastInput = document.getElementById("gdv_69b22ef26fa1econtrast"); const gdv_69b22ef26fa1efullscreenButton = document.getElementById("gdv_69b22ef26fa1efullscreen");
const gdv_69b22ef26fa1erotateRightButton = document.getElementById("gdv_69b22ef26fa1erotateRight"); const gdv_69b22ef26fa1erotateLeftButton = document.getElementById("gdv_69b22ef26fa1erotateLeft");
const gdv_69b22ef26fa1eprevSlideButton = document.getElementById("gdv_69b22ef26fa1eprevSlide"); const gdv_69b22ef26fa1enextSlideButton = document.getElementById("gdv_69b22ef26fa1enextSlide"); const gdv_69b22ef26fa1eslideNumberDisplay = document.getElementById("gdv_69b22ef26fa1eslideNumber"); const gdv_69b22ef26fa1eimageName = document.getElementById("gdv_69b22ef26fa1eimageName");
let gdv_69b22ef26fa1ecurrentSlideIndex = 0;
gdv_69b22ef26fa1ebrightnessInput.addEventListener("input", gdv_69b22ef26fa1edrawImage); gdv_69b22ef26fa1econtrastInput.addEventListener("input", gdv_69b22ef26fa1edrawImage);
const gdv_69b22ef26fa1eimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1kAVog-2qaY7IhFUAyxX1rHFkfPoKU1dB&sz=w3000","name":"ComCivils_rations militaires.jpg"}];
let gdv_69b22ef26fa1escale = 1; let gdv_69b22ef26fa1eoriginX = 0; let gdv_69b22ef26fa1eoriginY = 0; const gdv_69b22ef26fa1eminScale = 0.1; const gdv_69b22ef26fa1emaxScale = 5; let gdv_69b22ef26fa1ecurrentImage = new Image();
let gdv_69b22ef26fa1erotationAngle = 0;
gdv_69b22ef26fa1erotateRightButton.addEventListener("click", function() { gdv_69b22ef26fa1erotationAngle = (gdv_69b22ef26fa1erotationAngle + 90) % 360; gdv_69b22ef26fa1edrawImage(); });
gdv_69b22ef26fa1erotateLeftButton.addEventListener("click", function() { gdv_69b22ef26fa1erotationAngle = (gdv_69b22ef26fa1erotationAngle - 90 + 360) % 360; gdv_69b22ef26fa1edrawImage(); });
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_69b22ef26fa1ecurrentImage.src = gdv_69b22ef26fa1eimageUrls[0]["url"]; gdv_69b22ef26fa1eimageName.innerHTML = filtrerChaine(gdv_69b22ef26fa1eimageUrls[0]["name"], "rien"); gdv_69b22ef26fa1ecurrentImage.onload = function() {
gdv_69b22ef26fa1eupdateSlideNumber(); gdv_69b22ef26fa1eresizeCanvas(); gdv_69b22ef26fa1edrawImage(); document.getElementById("gdv_69b22ef26fa1econtrols").style.display = "block"; };
function gdv_69b22ef26fa1eupdateSlideNumber() { gdv_69b22ef26fa1eslideNumberDisplay.textContent = `${gdv_69b22ef26fa1ecurrentSlideIndex + 1} / ${gdv_69b22ef26fa1eimageUrls.length}`; }
gdv_69b22ef26fa1eprevSlideButton.addEventListener("click", function() { if (gdv_69b22ef26fa1ecurrentSlideIndex > 0) { gdv_69b22ef26fa1ecurrentSlideIndex--; gdv_69b22ef26fa1eloadImage(gdv_69b22ef26fa1ecurrentSlideIndex); gdv_69b22ef26fa1eupdateSlideNumber(); } });
gdv_69b22ef26fa1enextSlideButton.addEventListener("click", function() { if (gdv_69b22ef26fa1ecurrentSlideIndex < gdv_69b22ef26fa1eimageUrls.length - 1) { gdv_69b22ef26fa1ecurrentSlideIndex++; gdv_69b22ef26fa1eloadImage(gdv_69b22ef26fa1ecurrentSlideIndex); gdv_69b22ef26fa1eupdateSlideNumber(); } }); function gdv_69b22ef26fa1eresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69b22ef26fa1ecanvasContainer"); gdv_69b22ef26fa1ecanvas.width = container.clientWidth; gdv_69b22ef26fa1ecanvas.height = container.clientHeight - 30; gdv_69b22ef26fa1efitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69b22ef26fa1edrawImage(); } window.addEventListener("load", gdv_69b22ef26fa1eresizeCanvas); window.addEventListener("resize", gdv_69b22ef26fa1eresizeCanvas); function gdv_69b22ef26fa1efitImageToCanvas() { const canvasAspect = gdv_69b22ef26fa1ecanvas.width / gdv_69b22ef26fa1ecanvas.height; const imageAspect = gdv_69b22ef26fa1ecurrentImage.width / gdv_69b22ef26fa1ecurrentImage.height; if (imageAspect > canvasAspect) { gdv_69b22ef26fa1escale = gdv_69b22ef26fa1ecanvas.width / gdv_69b22ef26fa1ecurrentImage.width; } else { gdv_69b22ef26fa1escale = gdv_69b22ef26fa1ecanvas.height / gdv_69b22ef26fa1ecurrentImage.height; } gdv_69b22ef26fa1eoriginX = gdv_69b22ef26fa1ecanvas.width / 2; gdv_69b22ef26fa1eoriginY = gdv_69b22ef26fa1ecanvas.height / 2; }
function gdv_69b22ef26fa1edrawImage() { gdv_69b22ef26fa1ectx.clearRect(0, 0, gdv_69b22ef26fa1ecanvas.width, gdv_69b22ef26fa1ecanvas.height); gdv_69b22ef26fa1ectx.save(); gdv_69b22ef26fa1ectx.translate(gdv_69b22ef26fa1eoriginX, gdv_69b22ef26fa1eoriginY); gdv_69b22ef26fa1ectx.rotate((Math.PI / 180) * gdv_69b22ef26fa1erotationAngle); gdv_69b22ef26fa1ectx.scale(gdv_69b22ef26fa1escale, gdv_69b22ef26fa1escale);
// Appliquer la luminosité et le contraste gdv_69b22ef26fa1ectx.filter = `brightness(${gdv_69b22ef26fa1ebrightnessInput.value}) contrast(${gdv_69b22ef26fa1econtrastInput.value})`; gdv_69b22ef26fa1ectx.drawImage(gdv_69b22ef26fa1ecurrentImage, -gdv_69b22ef26fa1ecurrentImage.width/2, -gdv_69b22ef26fa1ecurrentImage.height/2); gdv_69b22ef26fa1ectx.restore(); }
// Ajouter les miniatures des images gdv_69b22ef26fa1eimageUrls.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_69b22ef26fa1eloadImage(index); gdv_69b22ef26fa1ecurrentSlideIndex = index; gdv_69b22ef26fa1eupdateSlideNumber(); }; slide.appendChild(img); gdv_69b22ef26fa1ethumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69b22ef26fa1eloadImage(index) { gdv_69b22ef26fa1ecurrentImage.src = gdv_69b22ef26fa1eimageUrls[index]["url"]; gdv_69b22ef26fa1eimageName.innerHTML = filtrerChaine(gdv_69b22ef26fa1eimageUrls[index]["name"], "rien"); gdv_69b22ef26fa1ecurrentImage.onload = function() { gdv_69b22ef26fa1escale = 1; gdv_69b22ef26fa1eoriginX = 0; gdv_69b22ef26fa1eoriginY = 0; gdv_69b22ef26fa1efitImageToCanvas(); gdv_69b22ef26fa1edrawImage(); };
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_69b22ef26fa1eswiper = new Swiper(".gdv_69b22ef26fa1eswiper-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_69b22ef26fa1eswiper.on("slideChange", function () { // gdv_69b22ef26fa1ecurrentSlideIndex = gdv_69b22ef26fa1eswiper.activeIndex; // gdv_69b22ef26fa1eupdateSlideNumber(); //});
// Plein écran gdv_69b22ef26fa1efullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69b22ef26fa1egd-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_69b22ef26fa1ecanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69b22ef26fa1escale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69b22ef26fa1eminScale, Math.min(gdv_69b22ef26fa1emaxScale, newScale)); const scaleRatio = newScale / gdv_69b22ef26fa1escale; gdv_69b22ef26fa1eoriginX = mouseX - (mouseX - gdv_69b22ef26fa1eoriginX) * scaleRatio; gdv_69b22ef26fa1eoriginY = mouseY - (mouseY - gdv_69b22ef26fa1eoriginY) * scaleRatio; gdv_69b22ef26fa1escale = newScale; gdv_69b22ef26fa1edrawImage(); }); // Gestion du déplacement (pan) let gdv_69b22ef26fa1eisDragging = false; let gdv_69b22ef26fa1estartX, gdv_69b22ef26fa1estartY; gdv_69b22ef26fa1ecanvas.addEventListener("mousedown", function(event) { gdv_69b22ef26fa1eisDragging = true; gdv_69b22ef26fa1estartX = event.offsetX - gdv_69b22ef26fa1eoriginX; gdv_69b22ef26fa1estartY = event.offsetY - gdv_69b22ef26fa1eoriginY; gdv_69b22ef26fa1ecanvas.style.cursor = "grabbing"; }); gdv_69b22ef26fa1ecanvas.addEventListener("mousemove", function(event) { if (gdv_69b22ef26fa1eisDragging) { gdv_69b22ef26fa1eoriginX = event.offsetX - gdv_69b22ef26fa1estartX; gdv_69b22ef26fa1eoriginY = event.offsetY - gdv_69b22ef26fa1estartY; gdv_69b22ef26fa1edrawImage(); } }); // Gestion des événements tactiles gdv_69b22ef26fa1ecanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69b22ef26fa1eisDragging = true; const touch = event.touches[0]; gdv_69b22ef26fa1estartX = touch.pageX - gdv_69b22ef26fa1eoriginX; gdv_69b22ef26fa1estartY = touch.pageY - gdv_69b22ef26fa1eoriginY; } }); gdv_69b22ef26fa1ecanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69b22ef26fa1eoriginX = touch.pageX - gdv_69b22ef26fa1estartX; gdv_69b22ef26fa1eoriginY = touch.pageY - gdv_69b22ef26fa1estartY; gdv_69b22ef26fa1edrawImage(); }); gdv_69b22ef26fa1ecanvas.addEventListener("touchend", function() { gdv_69b22ef26fa1eisDragging = false; }); gdv_69b22ef26fa1ecanvas.addEventListener("mouseup", function() { gdv_69b22ef26fa1eisDragging = false; gdv_69b22ef26fa1ecanvas.style.cursor = "grab"; }); gdv_69b22ef26fa1ecanvas.addEventListener("mouseleave", function() { gdv_69b22ef26fa1eisDragging = false; gdv_69b22ef26fa1ecanvas.style.cursor = "grab"; }); gdv_69b22ef26fa1ezoomInButton.addEventListener("click", function() { let newScale = gdv_69b22ef26fa1escale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69b22ef26fa1escale = Math.max(gdv_69b22ef26fa1eminScale, Math.min(gdv_69b22ef26fa1emaxScale, newScale)); gdv_69b22ef26fa1edrawImage(); }); gdv_69b22ef26fa1ezoomOutButton.addEventListener("click", function() { let newScale = gdv_69b22ef26fa1escale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69b22ef26fa1escale = Math.max(gdv_69b22ef26fa1eminScale, Math.min(gdv_69b22ef26fa1emaxScale, newScale)); gdv_69b22ef26fa1edrawImage(); }); gdv_69b22ef26fa1eresetZoomButton.addEventListener("click", function() { gdv_69b22ef26fa1erotationAngle = 0; gdv_69b22ef26fa1efitImageToCanvas(); gdv_69b22ef26fa1edrawImage(); }); function gdv_69b22ef26fa1egetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69b22ef26fa1edownloadImage").addEventListener("click", function() { let url = gdv_69b22ef26fa1ecurrentImage.src; const imageId = gdv_69b22ef26fa1egetImageIdFromUrl(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_69b22ef26fa1eprintImageFromApi(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_69b22ef26fa1eprintButton = document.getElementById("gdv_69b22ef26fa1eprintCanvas");
gdv_69b22ef26fa1eprintButton.addEventListener("click", function() { let url = gdv_69b22ef26fa1ecurrentImage.src; const imageId = gdv_69b22ef26fa1egetImageIdFromUrl(url); gdv_69b22ef26fa1eprintImageFromApi(imageId); });
let gdv_69b22ef26fa1einitialDistance = 0; let gdv_69b22ef26fa1einitialScale = 1;
gdv_69b22ef26fa1ecanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69b22ef26fa1einitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69b22ef26fa1einitialScale = gdv_69b22ef26fa1escale; } });
gdv_69b22ef26fa1ecanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69b22ef26fa1einitialDistance; let newScale = gdv_69b22ef26fa1einitialScale * scaleChange;
newScale = Math.max(gdv_69b22ef26fa1eminScale, Math.min(gdv_69b22ef26fa1emaxScale, 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_69b22ef26fa1escale; gdv_69b22ef26fa1eoriginX = centerX - (centerX - gdv_69b22ef26fa1eoriginX) * scaleRatio; gdv_69b22ef26fa1eoriginY = centerY - (centerY - gdv_69b22ef26fa1eoriginY) * scaleRatio;
gdv_69b22ef26fa1escale = newScale; gdv_69b22ef26fa1edrawImage(); // 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); }