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const gdv_6870d1ed098fecanvas = document.getElementById("gdv_6870d1ed098feimageCanvas"); const gdv_6870d1ed098fectx = gdv_6870d1ed098fecanvas.getContext("2d");
const gdv_6870d1ed098fethumbnailContainer = document.getElementById("gdv_6870d1ed098fethumbnailContainer"); const gdv_6870d1ed098fethumbnailContainerWrapper = document.getElementById("gdv_6870d1ed098fethumbnailContainerWrapper"); const gdv_6870d1ed098fezoomInButton = document.getElementById("gdv_6870d1ed098fezoomIn"); const gdv_6870d1ed098fezoomOutButton = document.getElementById("gdv_6870d1ed098fezoomOut"); const gdv_6870d1ed098feresetZoomButton = document.getElementById("gdv_6870d1ed098feresetZoom");
const gdv_6870d1ed098febrightnessInput = document.getElementById("gdv_6870d1ed098febrightness"); const gdv_6870d1ed098fecontrastInput = document.getElementById("gdv_6870d1ed098fecontrast"); const gdv_6870d1ed098fefullscreenButton = document.getElementById("gdv_6870d1ed098fefullscreen");
const gdv_6870d1ed098ferotateRightButton = document.getElementById("gdv_6870d1ed098ferotateRight"); const gdv_6870d1ed098ferotateLeftButton = document.getElementById("gdv_6870d1ed098ferotateLeft");
const gdv_6870d1ed098feprevSlideButton = document.getElementById("gdv_6870d1ed098feprevSlide"); const gdv_6870d1ed098fenextSlideButton = document.getElementById("gdv_6870d1ed098fenextSlide"); const gdv_6870d1ed098feslideNumberDisplay = document.getElementById("gdv_6870d1ed098feslideNumber"); const gdv_6870d1ed098feimageName = document.getElementById("gdv_6870d1ed098feimageName");
let gdv_6870d1ed098fecurrentSlideIndex = 0;
gdv_6870d1ed098febrightnessInput.addEventListener("input", gdv_6870d1ed098fedrawImage); gdv_6870d1ed098fecontrastInput.addEventListener("input", gdv_6870d1ed098fedrawImage);
const gdv_6870d1ed098feimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1JTWOy6NfE3LodZZLyN12qBjGdf77M0R3&sz=w3000","name":"Delpech_concerne les esclaves re\u0301volte\u0301s de Macaya-Platon et autres lieux du Sud.jpg"}];
let gdv_6870d1ed098fescale = 1; let gdv_6870d1ed098feoriginX = 0; let gdv_6870d1ed098feoriginY = 0; const gdv_6870d1ed098feminScale = 0.1; const gdv_6870d1ed098femaxScale = 5; let gdv_6870d1ed098fecurrentImage = new Image();
let gdv_6870d1ed098ferotationAngle = 0;
gdv_6870d1ed098ferotateRightButton.addEventListener("click", function() { gdv_6870d1ed098ferotationAngle = (gdv_6870d1ed098ferotationAngle + 90) % 360; gdv_6870d1ed098fedrawImage(); });
gdv_6870d1ed098ferotateLeftButton.addEventListener("click", function() { gdv_6870d1ed098ferotationAngle = (gdv_6870d1ed098ferotationAngle - 90 + 360) % 360; gdv_6870d1ed098fedrawImage(); });
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_6870d1ed098fecurrentImage.src = gdv_6870d1ed098feimageUrls[0]["url"]; gdv_6870d1ed098feimageName.innerHTML = filtrerChaine(gdv_6870d1ed098feimageUrls[0]["name"], "rien"); gdv_6870d1ed098fecurrentImage.onload = function() {
gdv_6870d1ed098feupdateSlideNumber(); gdv_6870d1ed098feresizeCanvas(); gdv_6870d1ed098fedrawImage(); document.getElementById("gdv_6870d1ed098fecontrols").style.display = "block"; };
function gdv_6870d1ed098feupdateSlideNumber() { gdv_6870d1ed098feslideNumberDisplay.textContent = `${gdv_6870d1ed098fecurrentSlideIndex + 1} / ${gdv_6870d1ed098feimageUrls.length}`; }
gdv_6870d1ed098feprevSlideButton.addEventListener("click", function() { if (gdv_6870d1ed098fecurrentSlideIndex > 0) { gdv_6870d1ed098fecurrentSlideIndex--; gdv_6870d1ed098feloadImage(gdv_6870d1ed098fecurrentSlideIndex); gdv_6870d1ed098feupdateSlideNumber(); } });
gdv_6870d1ed098fenextSlideButton.addEventListener("click", function() { if (gdv_6870d1ed098fecurrentSlideIndex < gdv_6870d1ed098feimageUrls.length - 1) { gdv_6870d1ed098fecurrentSlideIndex++; gdv_6870d1ed098feloadImage(gdv_6870d1ed098fecurrentSlideIndex); gdv_6870d1ed098feupdateSlideNumber(); } }); function gdv_6870d1ed098feresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_6870d1ed098fecanvasContainer"); gdv_6870d1ed098fecanvas.width = container.clientWidth; gdv_6870d1ed098fecanvas.height = container.clientHeight - 30; gdv_6870d1ed098fefitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_6870d1ed098fedrawImage(); } window.addEventListener("load", gdv_6870d1ed098feresizeCanvas); window.addEventListener("resize", gdv_6870d1ed098feresizeCanvas); function gdv_6870d1ed098fefitImageToCanvas() { const canvasAspect = gdv_6870d1ed098fecanvas.width / gdv_6870d1ed098fecanvas.height; const imageAspect = gdv_6870d1ed098fecurrentImage.width / gdv_6870d1ed098fecurrentImage.height; if (imageAspect > canvasAspect) { gdv_6870d1ed098fescale = gdv_6870d1ed098fecanvas.width / gdv_6870d1ed098fecurrentImage.width; } else { gdv_6870d1ed098fescale = gdv_6870d1ed098fecanvas.height / gdv_6870d1ed098fecurrentImage.height; } gdv_6870d1ed098feoriginX = gdv_6870d1ed098fecanvas.width / 2; gdv_6870d1ed098feoriginY = gdv_6870d1ed098fecanvas.height / 2; }
function gdv_6870d1ed098fedrawImage() { gdv_6870d1ed098fectx.clearRect(0, 0, gdv_6870d1ed098fecanvas.width, gdv_6870d1ed098fecanvas.height); gdv_6870d1ed098fectx.save(); gdv_6870d1ed098fectx.translate(gdv_6870d1ed098feoriginX, gdv_6870d1ed098feoriginY); gdv_6870d1ed098fectx.rotate((Math.PI / 180) * gdv_6870d1ed098ferotationAngle); gdv_6870d1ed098fectx.scale(gdv_6870d1ed098fescale, gdv_6870d1ed098fescale);
// Appliquer la luminosité et le contraste gdv_6870d1ed098fectx.filter = `brightness(${gdv_6870d1ed098febrightnessInput.value}) contrast(${gdv_6870d1ed098fecontrastInput.value})`; gdv_6870d1ed098fectx.drawImage(gdv_6870d1ed098fecurrentImage, -gdv_6870d1ed098fecurrentImage.width/2, -gdv_6870d1ed098fecurrentImage.height/2); gdv_6870d1ed098fectx.restore(); }
// Ajouter les miniatures des images gdv_6870d1ed098feimageUrls.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_6870d1ed098feloadImage(index); gdv_6870d1ed098fecurrentSlideIndex = index; gdv_6870d1ed098feupdateSlideNumber(); }; slide.appendChild(img); gdv_6870d1ed098fethumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_6870d1ed098feloadImage(index) { gdv_6870d1ed098fecurrentImage.src = gdv_6870d1ed098feimageUrls[index]["url"]; gdv_6870d1ed098feimageName.innerHTML = filtrerChaine(gdv_6870d1ed098feimageUrls[index]["name"], "rien"); gdv_6870d1ed098fecurrentImage.onload = function() { gdv_6870d1ed098fescale = 1; gdv_6870d1ed098feoriginX = 0; gdv_6870d1ed098feoriginY = 0; gdv_6870d1ed098fefitImageToCanvas(); gdv_6870d1ed098fedrawImage(); };
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_6870d1ed098feswiper = new Swiper(".gdv_6870d1ed098feswiper-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_6870d1ed098feswiper.on("slideChange", function () { // gdv_6870d1ed098fecurrentSlideIndex = gdv_6870d1ed098feswiper.activeIndex; // gdv_6870d1ed098feupdateSlideNumber(); //});
// Plein écran gdv_6870d1ed098fefullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_6870d1ed098fegd-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_6870d1ed098fecanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_6870d1ed098fescale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_6870d1ed098feminScale, Math.min(gdv_6870d1ed098femaxScale, newScale)); const scaleRatio = newScale / gdv_6870d1ed098fescale; gdv_6870d1ed098feoriginX = mouseX - (mouseX - gdv_6870d1ed098feoriginX) * scaleRatio; gdv_6870d1ed098feoriginY = mouseY - (mouseY - gdv_6870d1ed098feoriginY) * scaleRatio; gdv_6870d1ed098fescale = newScale; gdv_6870d1ed098fedrawImage(); }); // Gestion du déplacement (pan) let gdv_6870d1ed098feisDragging = false; let gdv_6870d1ed098festartX, gdv_6870d1ed098festartY; gdv_6870d1ed098fecanvas.addEventListener("mousedown", function(event) { gdv_6870d1ed098feisDragging = true; gdv_6870d1ed098festartX = event.offsetX - gdv_6870d1ed098feoriginX; gdv_6870d1ed098festartY = event.offsetY - gdv_6870d1ed098feoriginY; gdv_6870d1ed098fecanvas.style.cursor = "grabbing"; }); gdv_6870d1ed098fecanvas.addEventListener("mousemove", function(event) { if (gdv_6870d1ed098feisDragging) { gdv_6870d1ed098feoriginX = event.offsetX - gdv_6870d1ed098festartX; gdv_6870d1ed098feoriginY = event.offsetY - gdv_6870d1ed098festartY; gdv_6870d1ed098fedrawImage(); } }); // Gestion des événements tactiles gdv_6870d1ed098fecanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_6870d1ed098feisDragging = true; const touch = event.touches[0]; gdv_6870d1ed098festartX = touch.pageX - gdv_6870d1ed098feoriginX; gdv_6870d1ed098festartY = touch.pageY - gdv_6870d1ed098feoriginY; } }); gdv_6870d1ed098fecanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_6870d1ed098feoriginX = touch.pageX - gdv_6870d1ed098festartX; gdv_6870d1ed098feoriginY = touch.pageY - gdv_6870d1ed098festartY; gdv_6870d1ed098fedrawImage(); }); gdv_6870d1ed098fecanvas.addEventListener("touchend", function() { gdv_6870d1ed098feisDragging = false; }); gdv_6870d1ed098fecanvas.addEventListener("mouseup", function() { gdv_6870d1ed098feisDragging = false; gdv_6870d1ed098fecanvas.style.cursor = "grab"; }); gdv_6870d1ed098fecanvas.addEventListener("mouseleave", function() { gdv_6870d1ed098feisDragging = false; gdv_6870d1ed098fecanvas.style.cursor = "grab"; }); gdv_6870d1ed098fezoomInButton.addEventListener("click", function() { let newScale = gdv_6870d1ed098fescale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_6870d1ed098fescale = Math.max(gdv_6870d1ed098feminScale, Math.min(gdv_6870d1ed098femaxScale, newScale)); gdv_6870d1ed098fedrawImage(); }); gdv_6870d1ed098fezoomOutButton.addEventListener("click", function() { let newScale = gdv_6870d1ed098fescale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_6870d1ed098fescale = Math.max(gdv_6870d1ed098feminScale, Math.min(gdv_6870d1ed098femaxScale, newScale)); gdv_6870d1ed098fedrawImage(); }); gdv_6870d1ed098feresetZoomButton.addEventListener("click", function() { gdv_6870d1ed098ferotationAngle = 0; gdv_6870d1ed098fefitImageToCanvas(); gdv_6870d1ed098fedrawImage(); }); function gdv_6870d1ed098fegetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_6870d1ed098fedownloadImage").addEventListener("click", function() { let url = gdv_6870d1ed098fecurrentImage.src; const imageId = gdv_6870d1ed098fegetImageIdFromUrl(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_6870d1ed098feprintImageFromApi(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_6870d1ed098feprintButton = document.getElementById("gdv_6870d1ed098feprintCanvas");
gdv_6870d1ed098feprintButton.addEventListener("click", function() { let url = gdv_6870d1ed098fecurrentImage.src; const imageId = gdv_6870d1ed098fegetImageIdFromUrl(url); gdv_6870d1ed098feprintImageFromApi(imageId); });
let gdv_6870d1ed098feinitialDistance = 0; let gdv_6870d1ed098feinitialScale = 1;
gdv_6870d1ed098fecanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_6870d1ed098feinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_6870d1ed098feinitialScale = gdv_6870d1ed098fescale; } });
gdv_6870d1ed098fecanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_6870d1ed098feinitialDistance; let newScale = gdv_6870d1ed098feinitialScale * scaleChange;
newScale = Math.max(gdv_6870d1ed098feminScale, Math.min(gdv_6870d1ed098femaxScale, 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_6870d1ed098fescale; gdv_6870d1ed098feoriginX = centerX - (centerX - gdv_6870d1ed098feoriginX) * scaleRatio; gdv_6870d1ed098feoriginY = centerY - (centerY - gdv_6870d1ed098feoriginY) * scaleRatio;
gdv_6870d1ed098fescale = newScale; gdv_6870d1ed098fedrawImage(); // 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); }