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const gdv_67d41a5cea98acanvas = document.getElementById("gdv_67d41a5cea98aimageCanvas"); const gdv_67d41a5cea98actx = gdv_67d41a5cea98acanvas.getContext("2d");
const gdv_67d41a5cea98athumbnailContainer = document.getElementById("gdv_67d41a5cea98athumbnailContainer"); const gdv_67d41a5cea98athumbnailContainerWrapper = document.getElementById("gdv_67d41a5cea98athumbnailContainerWrapper"); const gdv_67d41a5cea98azoomInButton = document.getElementById("gdv_67d41a5cea98azoomIn"); const gdv_67d41a5cea98azoomOutButton = document.getElementById("gdv_67d41a5cea98azoomOut"); const gdv_67d41a5cea98aresetZoomButton = document.getElementById("gdv_67d41a5cea98aresetZoom");
const gdv_67d41a5cea98abrightnessInput = document.getElementById("gdv_67d41a5cea98abrightness"); const gdv_67d41a5cea98acontrastInput = document.getElementById("gdv_67d41a5cea98acontrast"); const gdv_67d41a5cea98afullscreenButton = document.getElementById("gdv_67d41a5cea98afullscreen");
const gdv_67d41a5cea98arotateRightButton = document.getElementById("gdv_67d41a5cea98arotateRight"); const gdv_67d41a5cea98arotateLeftButton = document.getElementById("gdv_67d41a5cea98arotateLeft");
const gdv_67d41a5cea98aprevSlideButton = document.getElementById("gdv_67d41a5cea98aprevSlide"); const gdv_67d41a5cea98anextSlideButton = document.getElementById("gdv_67d41a5cea98anextSlide"); const gdv_67d41a5cea98aslideNumberDisplay = document.getElementById("gdv_67d41a5cea98aslideNumber"); const gdv_67d41a5cea98aimageName = document.getElementById("gdv_67d41a5cea98aimageName");
let gdv_67d41a5cea98acurrentSlideIndex = 0;
gdv_67d41a5cea98abrightnessInput.addEventListener("input", gdv_67d41a5cea98adrawImage); gdv_67d41a5cea98acontrastInput.addEventListener("input", gdv_67d41a5cea98adrawImage);
const gdv_67d41a5cea98aimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1YmLT2YGZxu5T2ywFYKJRZ9NrlYNAGXMV&sz=w3000","name":"1 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1--GFSUUuaggpspLxxxcsTAiiEGaMxaG1&sz=w3000","name":"2 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1bt4o_fueFSyO8aqVildcfM83ieCeobas&sz=w3000","name":"3 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1RW5DW0haI5WzzkRWgHB-9299At4603EA&sz=w3000","name":"4 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1GiasXEF-g0PNRRlUuSAXZEsHjO3mu_fq&sz=w3000","name":"5 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1_zvmiElM_7cYe9YBtB5by1e-4t_6T-rK&sz=w3000","name":"6 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1LUHEdvIZN3pvNEO-Eau67rdGfr-JZGt0&sz=w3000","name":"7 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"},{"url":"https:\/\/drive.google.com\/thumbnail?id=1X_SIYlc_lA5B7Nqp5TTJUF1dpOH_ht_9&sz=w3000","name":"8 Copie d'une lettre e\u0301crite au ministre de la Marine et des colonies par le citoyen Victor Hugues, agent particulier du Directoire exe\u0301cutif aux i\u0302les du Vent, 23 prairial an 6.jpg"}];
let gdv_67d41a5cea98ascale = 1; let gdv_67d41a5cea98aoriginX = 0; let gdv_67d41a5cea98aoriginY = 0; const gdv_67d41a5cea98aminScale = 0.1; const gdv_67d41a5cea98amaxScale = 5; let gdv_67d41a5cea98acurrentImage = new Image();
let gdv_67d41a5cea98arotationAngle = 0;
gdv_67d41a5cea98arotateRightButton.addEventListener("click", function() { gdv_67d41a5cea98arotationAngle = (gdv_67d41a5cea98arotationAngle + 90) % 360; gdv_67d41a5cea98adrawImage(); });
gdv_67d41a5cea98arotateLeftButton.addEventListener("click", function() { gdv_67d41a5cea98arotationAngle = (gdv_67d41a5cea98arotationAngle - 90 + 360) % 360; gdv_67d41a5cea98adrawImage(); });
// Charger la première image par défaut gdv_67d41a5cea98acurrentImage.src = gdv_67d41a5cea98aimageUrls[0]["url"]; gdv_67d41a5cea98aimageName.innerHTML = gdv_67d41a5cea98aimageUrls[0]["name"]; gdv_67d41a5cea98acurrentImage.onload = function() {
gdv_67d41a5cea98aupdateSlideNumber(); gdv_67d41a5cea98aresizeCanvas(); gdv_67d41a5cea98adrawImage(); document.getElementById("gdv_67d41a5cea98acontrols").style.display = "block"; };
function gdv_67d41a5cea98aupdateSlideNumber() { gdv_67d41a5cea98aslideNumberDisplay.textContent = `${gdv_67d41a5cea98acurrentSlideIndex + 1} / ${gdv_67d41a5cea98aimageUrls.length}`; }
gdv_67d41a5cea98aprevSlideButton.addEventListener("click", function() { if (gdv_67d41a5cea98acurrentSlideIndex > 0) { gdv_67d41a5cea98acurrentSlideIndex--; gdv_67d41a5cea98aloadImage(gdv_67d41a5cea98acurrentSlideIndex); gdv_67d41a5cea98aupdateSlideNumber(); } });
gdv_67d41a5cea98anextSlideButton.addEventListener("click", function() { if (gdv_67d41a5cea98acurrentSlideIndex < gdv_67d41a5cea98aimageUrls.length - 1) { gdv_67d41a5cea98acurrentSlideIndex++; gdv_67d41a5cea98aloadImage(gdv_67d41a5cea98acurrentSlideIndex); gdv_67d41a5cea98aupdateSlideNumber(); } }); function gdv_67d41a5cea98aresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_67d41a5cea98acanvasContainer"); gdv_67d41a5cea98acanvas.width = container.clientWidth; gdv_67d41a5cea98acanvas.height = container.clientHeight - 30; gdv_67d41a5cea98afitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_67d41a5cea98adrawImage(); } window.addEventListener("load", gdv_67d41a5cea98aresizeCanvas); window.addEventListener("resize", gdv_67d41a5cea98aresizeCanvas); function gdv_67d41a5cea98afitImageToCanvas() { const canvasAspect = gdv_67d41a5cea98acanvas.width / gdv_67d41a5cea98acanvas.height; const imageAspect = gdv_67d41a5cea98acurrentImage.width / gdv_67d41a5cea98acurrentImage.height; if (imageAspect > canvasAspect) { gdv_67d41a5cea98ascale = gdv_67d41a5cea98acanvas.width / gdv_67d41a5cea98acurrentImage.width; } else { gdv_67d41a5cea98ascale = gdv_67d41a5cea98acanvas.height / gdv_67d41a5cea98acurrentImage.height; } gdv_67d41a5cea98aoriginX = gdv_67d41a5cea98acanvas.width / 2; gdv_67d41a5cea98aoriginY = gdv_67d41a5cea98acanvas.height / 2; }
function gdv_67d41a5cea98adrawImage() { gdv_67d41a5cea98actx.clearRect(0, 0, gdv_67d41a5cea98acanvas.width, gdv_67d41a5cea98acanvas.height); gdv_67d41a5cea98actx.save(); gdv_67d41a5cea98actx.translate(gdv_67d41a5cea98aoriginX, gdv_67d41a5cea98aoriginY); gdv_67d41a5cea98actx.rotate((Math.PI / 180) * gdv_67d41a5cea98arotationAngle); gdv_67d41a5cea98actx.scale(gdv_67d41a5cea98ascale, gdv_67d41a5cea98ascale);
// Appliquer la luminosité et le contraste gdv_67d41a5cea98actx.filter = `brightness(${gdv_67d41a5cea98abrightnessInput.value}) contrast(${gdv_67d41a5cea98acontrastInput.value})`; gdv_67d41a5cea98actx.drawImage(gdv_67d41a5cea98acurrentImage, -gdv_67d41a5cea98acurrentImage.width/2, -gdv_67d41a5cea98acurrentImage.height/2); gdv_67d41a5cea98actx.restore(); }
// Ajouter les miniatures des images gdv_67d41a5cea98aimageUrls.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_67d41a5cea98aloadImage(index); gdv_67d41a5cea98acurrentSlideIndex = index; gdv_67d41a5cea98aupdateSlideNumber(); }; slide.appendChild(img); gdv_67d41a5cea98athumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_67d41a5cea98aloadImage(index) { gdv_67d41a5cea98acurrentImage.src = gdv_67d41a5cea98aimageUrls[index]["url"]; gdv_67d41a5cea98aimageName.innerHTML = gdv_67d41a5cea98aimageUrls[index]["name"]; gdv_67d41a5cea98acurrentImage.onload = function() { gdv_67d41a5cea98ascale = 1; gdv_67d41a5cea98aoriginX = 0; gdv_67d41a5cea98aoriginY = 0; gdv_67d41a5cea98afitImageToCanvas(); gdv_67d41a5cea98adrawImage(); }; }
// Initialiser Swiper var gdv_67d41a5cea98aswiper = new Swiper(".gdv_67d41a5cea98aswiper-container", { direction: "vertical", slidesPerView: 10, spaceBetween: 10, breakpoints: { 576: { slidesPerView: 6, spaceBetween: 10 }, 768: { slidesPerView: 6, spaceBetween: 10 }, 992: { slidesPerView: 5, spaceBetween: 15 }, 1200: { slidesPerView: 5, spaceBetween: 15 } }, mousewheel: true, });
//gdv_67d41a5cea98aswiper.on("slideChange", function () { // gdv_67d41a5cea98acurrentSlideIndex = gdv_67d41a5cea98aswiper.activeIndex; // gdv_67d41a5cea98aupdateSlideNumber(); //});
// Plein écran gdv_67d41a5cea98afullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_67d41a5cea98agd-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_67d41a5cea98acanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_67d41a5cea98ascale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_67d41a5cea98aminScale, Math.min(gdv_67d41a5cea98amaxScale, newScale)); const scaleRatio = newScale / gdv_67d41a5cea98ascale; gdv_67d41a5cea98aoriginX = mouseX - (mouseX - gdv_67d41a5cea98aoriginX) * scaleRatio; gdv_67d41a5cea98aoriginY = mouseY - (mouseY - gdv_67d41a5cea98aoriginY) * scaleRatio; gdv_67d41a5cea98ascale = newScale; gdv_67d41a5cea98adrawImage(); }); // Gestion du déplacement (pan) let gdv_67d41a5cea98aisDragging = false; let gdv_67d41a5cea98astartX, gdv_67d41a5cea98astartY; gdv_67d41a5cea98acanvas.addEventListener("mousedown", function(event) { gdv_67d41a5cea98aisDragging = true; gdv_67d41a5cea98astartX = event.offsetX - gdv_67d41a5cea98aoriginX; gdv_67d41a5cea98astartY = event.offsetY - gdv_67d41a5cea98aoriginY; gdv_67d41a5cea98acanvas.style.cursor = "grabbing"; }); gdv_67d41a5cea98acanvas.addEventListener("mousemove", function(event) { if (gdv_67d41a5cea98aisDragging) { gdv_67d41a5cea98aoriginX = event.offsetX - gdv_67d41a5cea98astartX; gdv_67d41a5cea98aoriginY = event.offsetY - gdv_67d41a5cea98astartY; gdv_67d41a5cea98adrawImage(); } }); // Gestion des événements tactiles gdv_67d41a5cea98acanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_67d41a5cea98aisDragging = true; const touch = event.touches[0]; gdv_67d41a5cea98astartX = touch.pageX - gdv_67d41a5cea98aoriginX; gdv_67d41a5cea98astartY = touch.pageY - gdv_67d41a5cea98aoriginY; } }); gdv_67d41a5cea98acanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_67d41a5cea98aoriginX = touch.pageX - gdv_67d41a5cea98astartX; gdv_67d41a5cea98aoriginY = touch.pageY - gdv_67d41a5cea98astartY; gdv_67d41a5cea98adrawImage(); }); gdv_67d41a5cea98acanvas.addEventListener("touchend", function() { gdv_67d41a5cea98aisDragging = false; }); gdv_67d41a5cea98acanvas.addEventListener("mouseup", function() { gdv_67d41a5cea98aisDragging = false; gdv_67d41a5cea98acanvas.style.cursor = "grab"; }); gdv_67d41a5cea98acanvas.addEventListener("mouseleave", function() { gdv_67d41a5cea98aisDragging = false; gdv_67d41a5cea98acanvas.style.cursor = "grab"; }); gdv_67d41a5cea98azoomInButton.addEventListener("click", function() { let newScale = gdv_67d41a5cea98ascale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_67d41a5cea98ascale = Math.max(gdv_67d41a5cea98aminScale, Math.min(gdv_67d41a5cea98amaxScale, newScale)); gdv_67d41a5cea98adrawImage(); }); gdv_67d41a5cea98azoomOutButton.addEventListener("click", function() { let newScale = gdv_67d41a5cea98ascale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_67d41a5cea98ascale = Math.max(gdv_67d41a5cea98aminScale, Math.min(gdv_67d41a5cea98amaxScale, newScale)); gdv_67d41a5cea98adrawImage(); }); gdv_67d41a5cea98aresetZoomButton.addEventListener("click", function() { gdv_67d41a5cea98arotationAngle = 0; gdv_67d41a5cea98afitImageToCanvas(); gdv_67d41a5cea98adrawImage(); }); function gdv_67d41a5cea98agetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_67d41a5cea98adownloadImage").addEventListener("click", function() { let url = gdv_67d41a5cea98acurrentImage.src; const imageId = gdv_67d41a5cea98agetImageIdFromUrl(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_67d41a5cea98aprintImageFromApi(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_67d41a5cea98aprintButton = document.getElementById("gdv_67d41a5cea98aprintCanvas");
gdv_67d41a5cea98aprintButton.addEventListener("click", function() { let url = gdv_67d41a5cea98acurrentImage.src; const imageId = gdv_67d41a5cea98agetImageIdFromUrl(url); gdv_67d41a5cea98aprintImageFromApi(imageId); });
let gdv_67d41a5cea98ainitialDistance = 0; let gdv_67d41a5cea98ainitialScale = 1;
gdv_67d41a5cea98acanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_67d41a5cea98ainitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_67d41a5cea98ainitialScale = gdv_67d41a5cea98ascale; } });
gdv_67d41a5cea98acanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_67d41a5cea98ainitialDistance; let newScale = gdv_67d41a5cea98ainitialScale * scaleChange;
newScale = Math.max(gdv_67d41a5cea98aminScale, Math.min(gdv_67d41a5cea98amaxScale, 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_67d41a5cea98ascale; gdv_67d41a5cea98aoriginX = centerX - (centerX - gdv_67d41a5cea98aoriginX) * scaleRatio; gdv_67d41a5cea98aoriginY = centerY - (centerY - gdv_67d41a5cea98aoriginY) * scaleRatio;
gdv_67d41a5cea98ascale = newScale; gdv_67d41a5cea98adrawImage(); // 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); }