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const gdv_69e178dab8ddccanvas = document.getElementById("gdv_69e178dab8ddcimageCanvas"); const gdv_69e178dab8ddcctx = gdv_69e178dab8ddccanvas.getContext("2d");
const gdv_69e178dab8ddcthumbnailContainer = document.getElementById("gdv_69e178dab8ddcthumbnailContainer"); const gdv_69e178dab8ddcthumbnailContainerWrapper = document.getElementById("gdv_69e178dab8ddcthumbnailContainerWrapper"); const gdv_69e178dab8ddczoomInButton = document.getElementById("gdv_69e178dab8ddczoomIn"); const gdv_69e178dab8ddczoomOutButton = document.getElementById("gdv_69e178dab8ddczoomOut"); const gdv_69e178dab8ddcresetZoomButton = document.getElementById("gdv_69e178dab8ddcresetZoom");
const gdv_69e178dab8ddcbrightnessInput = document.getElementById("gdv_69e178dab8ddcbrightness"); const gdv_69e178dab8ddccontrastInput = document.getElementById("gdv_69e178dab8ddccontrast"); const gdv_69e178dab8ddcfullscreenButton = document.getElementById("gdv_69e178dab8ddcfullscreen");
const gdv_69e178dab8ddcrotateRightButton = document.getElementById("gdv_69e178dab8ddcrotateRight"); const gdv_69e178dab8ddcrotateLeftButton = document.getElementById("gdv_69e178dab8ddcrotateLeft");
const gdv_69e178dab8ddcprevSlideButton = document.getElementById("gdv_69e178dab8ddcprevSlide"); const gdv_69e178dab8ddcnextSlideButton = document.getElementById("gdv_69e178dab8ddcnextSlide"); const gdv_69e178dab8ddcslideNumberDisplay = document.getElementById("gdv_69e178dab8ddcslideNumber"); const gdv_69e178dab8ddcimageName = document.getElementById("gdv_69e178dab8ddcimageName");
let gdv_69e178dab8ddccurrentSlideIndex = 0;
gdv_69e178dab8ddcbrightnessInput.addEventListener("input", gdv_69e178dab8ddcdrawImage); gdv_69e178dab8ddccontrastInput.addEventListener("input", gdv_69e178dab8ddcdrawImage);
const gdv_69e178dab8ddcimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1wG1E5B3NpG9WiCsga52lUrOI6V_jQL1x&sz=w3000","name":"EPOL_LFS_ affranchissement des esclaves guerriers dans le Sud.jpg"}];
let gdv_69e178dab8ddcscale = 1; let gdv_69e178dab8ddcoriginX = 0; let gdv_69e178dab8ddcoriginY = 0; const gdv_69e178dab8ddcminScale = 0.1; const gdv_69e178dab8ddcmaxScale = 5; let gdv_69e178dab8ddccurrentImage = new Image();
let gdv_69e178dab8ddcrotationAngle = 0;
gdv_69e178dab8ddcrotateRightButton.addEventListener("click", function() { gdv_69e178dab8ddcrotationAngle = (gdv_69e178dab8ddcrotationAngle + 90) % 360; gdv_69e178dab8ddcdrawImage(); });
gdv_69e178dab8ddcrotateLeftButton.addEventListener("click", function() { gdv_69e178dab8ddcrotationAngle = (gdv_69e178dab8ddcrotationAngle - 90 + 360) % 360; gdv_69e178dab8ddcdrawImage(); });
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_69e178dab8ddccurrentImage.src = gdv_69e178dab8ddcimageUrls[0]["url"]; gdv_69e178dab8ddcimageName.innerHTML = filtrerChaine(gdv_69e178dab8ddcimageUrls[0]["name"], "rien"); gdv_69e178dab8ddccurrentImage.onload = function() {
gdv_69e178dab8ddcupdateSlideNumber(); gdv_69e178dab8ddcresizeCanvas(); gdv_69e178dab8ddcdrawImage(); document.getElementById("gdv_69e178dab8ddccontrols").style.display = "block"; };
function gdv_69e178dab8ddcupdateSlideNumber() { gdv_69e178dab8ddcslideNumberDisplay.textContent = `${gdv_69e178dab8ddccurrentSlideIndex + 1} / ${gdv_69e178dab8ddcimageUrls.length}`; }
gdv_69e178dab8ddcprevSlideButton.addEventListener("click", function() { if (gdv_69e178dab8ddccurrentSlideIndex > 0) { gdv_69e178dab8ddccurrentSlideIndex--; gdv_69e178dab8ddcloadImage(gdv_69e178dab8ddccurrentSlideIndex); gdv_69e178dab8ddcupdateSlideNumber(); } });
gdv_69e178dab8ddcnextSlideButton.addEventListener("click", function() { if (gdv_69e178dab8ddccurrentSlideIndex < gdv_69e178dab8ddcimageUrls.length - 1) { gdv_69e178dab8ddccurrentSlideIndex++; gdv_69e178dab8ddcloadImage(gdv_69e178dab8ddccurrentSlideIndex); gdv_69e178dab8ddcupdateSlideNumber(); } }); function gdv_69e178dab8ddcresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69e178dab8ddccanvasContainer"); gdv_69e178dab8ddccanvas.width = container.clientWidth; gdv_69e178dab8ddccanvas.height = container.clientHeight - 30; gdv_69e178dab8ddcfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69e178dab8ddcdrawImage(); } window.addEventListener("load", gdv_69e178dab8ddcresizeCanvas); window.addEventListener("resize", gdv_69e178dab8ddcresizeCanvas); function gdv_69e178dab8ddcfitImageToCanvas() { const canvasAspect = gdv_69e178dab8ddccanvas.width / gdv_69e178dab8ddccanvas.height; const imageAspect = gdv_69e178dab8ddccurrentImage.width / gdv_69e178dab8ddccurrentImage.height; if (imageAspect > canvasAspect) { gdv_69e178dab8ddcscale = gdv_69e178dab8ddccanvas.width / gdv_69e178dab8ddccurrentImage.width; } else { gdv_69e178dab8ddcscale = gdv_69e178dab8ddccanvas.height / gdv_69e178dab8ddccurrentImage.height; } gdv_69e178dab8ddcoriginX = gdv_69e178dab8ddccanvas.width / 2; gdv_69e178dab8ddcoriginY = gdv_69e178dab8ddccanvas.height / 2; }
function gdv_69e178dab8ddcdrawImage() { gdv_69e178dab8ddcctx.clearRect(0, 0, gdv_69e178dab8ddccanvas.width, gdv_69e178dab8ddccanvas.height); gdv_69e178dab8ddcctx.save(); gdv_69e178dab8ddcctx.translate(gdv_69e178dab8ddcoriginX, gdv_69e178dab8ddcoriginY); gdv_69e178dab8ddcctx.rotate((Math.PI / 180) * gdv_69e178dab8ddcrotationAngle); gdv_69e178dab8ddcctx.scale(gdv_69e178dab8ddcscale, gdv_69e178dab8ddcscale);
// Appliquer la luminosité et le contraste gdv_69e178dab8ddcctx.filter = `brightness(${gdv_69e178dab8ddcbrightnessInput.value}) contrast(${gdv_69e178dab8ddccontrastInput.value})`; gdv_69e178dab8ddcctx.drawImage(gdv_69e178dab8ddccurrentImage, -gdv_69e178dab8ddccurrentImage.width/2, -gdv_69e178dab8ddccurrentImage.height/2); gdv_69e178dab8ddcctx.restore(); }
// Ajouter les miniatures des images gdv_69e178dab8ddcimageUrls.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_69e178dab8ddcloadImage(index); gdv_69e178dab8ddccurrentSlideIndex = index; gdv_69e178dab8ddcupdateSlideNumber(); }; slide.appendChild(img); gdv_69e178dab8ddcthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69e178dab8ddcloadImage(index) { gdv_69e178dab8ddccurrentImage.src = gdv_69e178dab8ddcimageUrls[index]["url"]; gdv_69e178dab8ddcimageName.innerHTML = filtrerChaine(gdv_69e178dab8ddcimageUrls[index]["name"], "rien"); gdv_69e178dab8ddccurrentImage.onload = function() { gdv_69e178dab8ddcscale = 1; gdv_69e178dab8ddcoriginX = 0; gdv_69e178dab8ddcoriginY = 0; gdv_69e178dab8ddcfitImageToCanvas(); gdv_69e178dab8ddcdrawImage(); };
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_69e178dab8ddcswiper = new Swiper(".gdv_69e178dab8ddcswiper-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_69e178dab8ddcswiper.on("slideChange", function () { // gdv_69e178dab8ddccurrentSlideIndex = gdv_69e178dab8ddcswiper.activeIndex; // gdv_69e178dab8ddcupdateSlideNumber(); //});
// Plein écran gdv_69e178dab8ddcfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69e178dab8ddcgd-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_69e178dab8ddccanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69e178dab8ddcscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69e178dab8ddcminScale, Math.min(gdv_69e178dab8ddcmaxScale, newScale)); const scaleRatio = newScale / gdv_69e178dab8ddcscale; gdv_69e178dab8ddcoriginX = mouseX - (mouseX - gdv_69e178dab8ddcoriginX) * scaleRatio; gdv_69e178dab8ddcoriginY = mouseY - (mouseY - gdv_69e178dab8ddcoriginY) * scaleRatio; gdv_69e178dab8ddcscale = newScale; gdv_69e178dab8ddcdrawImage(); }); // Gestion du déplacement (pan) let gdv_69e178dab8ddcisDragging = false; let gdv_69e178dab8ddcstartX, gdv_69e178dab8ddcstartY; gdv_69e178dab8ddccanvas.addEventListener("mousedown", function(event) { gdv_69e178dab8ddcisDragging = true; gdv_69e178dab8ddcstartX = event.offsetX - gdv_69e178dab8ddcoriginX; gdv_69e178dab8ddcstartY = event.offsetY - gdv_69e178dab8ddcoriginY; gdv_69e178dab8ddccanvas.style.cursor = "grabbing"; }); gdv_69e178dab8ddccanvas.addEventListener("mousemove", function(event) { if (gdv_69e178dab8ddcisDragging) { gdv_69e178dab8ddcoriginX = event.offsetX - gdv_69e178dab8ddcstartX; gdv_69e178dab8ddcoriginY = event.offsetY - gdv_69e178dab8ddcstartY; gdv_69e178dab8ddcdrawImage(); } }); // Gestion des événements tactiles gdv_69e178dab8ddccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69e178dab8ddcisDragging = true; const touch = event.touches[0]; gdv_69e178dab8ddcstartX = touch.pageX - gdv_69e178dab8ddcoriginX; gdv_69e178dab8ddcstartY = touch.pageY - gdv_69e178dab8ddcoriginY; } }); gdv_69e178dab8ddccanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69e178dab8ddcoriginX = touch.pageX - gdv_69e178dab8ddcstartX; gdv_69e178dab8ddcoriginY = touch.pageY - gdv_69e178dab8ddcstartY; gdv_69e178dab8ddcdrawImage(); }); gdv_69e178dab8ddccanvas.addEventListener("touchend", function() { gdv_69e178dab8ddcisDragging = false; }); gdv_69e178dab8ddccanvas.addEventListener("mouseup", function() { gdv_69e178dab8ddcisDragging = false; gdv_69e178dab8ddccanvas.style.cursor = "grab"; }); gdv_69e178dab8ddccanvas.addEventListener("mouseleave", function() { gdv_69e178dab8ddcisDragging = false; gdv_69e178dab8ddccanvas.style.cursor = "grab"; }); gdv_69e178dab8ddczoomInButton.addEventListener("click", function() { let newScale = gdv_69e178dab8ddcscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69e178dab8ddcscale = Math.max(gdv_69e178dab8ddcminScale, Math.min(gdv_69e178dab8ddcmaxScale, newScale)); gdv_69e178dab8ddcdrawImage(); }); gdv_69e178dab8ddczoomOutButton.addEventListener("click", function() { let newScale = gdv_69e178dab8ddcscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69e178dab8ddcscale = Math.max(gdv_69e178dab8ddcminScale, Math.min(gdv_69e178dab8ddcmaxScale, newScale)); gdv_69e178dab8ddcdrawImage(); }); gdv_69e178dab8ddcresetZoomButton.addEventListener("click", function() { gdv_69e178dab8ddcrotationAngle = 0; gdv_69e178dab8ddcfitImageToCanvas(); gdv_69e178dab8ddcdrawImage(); }); function gdv_69e178dab8ddcgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69e178dab8ddcdownloadImage").addEventListener("click", function() { let url = gdv_69e178dab8ddccurrentImage.src; const imageId = gdv_69e178dab8ddcgetImageIdFromUrl(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_69e178dab8ddcprintImageFromApi(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_69e178dab8ddcprintButton = document.getElementById("gdv_69e178dab8ddcprintCanvas");
gdv_69e178dab8ddcprintButton.addEventListener("click", function() { let url = gdv_69e178dab8ddccurrentImage.src; const imageId = gdv_69e178dab8ddcgetImageIdFromUrl(url); gdv_69e178dab8ddcprintImageFromApi(imageId); });
let gdv_69e178dab8ddcinitialDistance = 0; let gdv_69e178dab8ddcinitialScale = 1;
gdv_69e178dab8ddccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69e178dab8ddcinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69e178dab8ddcinitialScale = gdv_69e178dab8ddcscale; } });
gdv_69e178dab8ddccanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69e178dab8ddcinitialDistance; let newScale = gdv_69e178dab8ddcinitialScale * scaleChange;
newScale = Math.max(gdv_69e178dab8ddcminScale, Math.min(gdv_69e178dab8ddcmaxScale, 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_69e178dab8ddcscale; gdv_69e178dab8ddcoriginX = centerX - (centerX - gdv_69e178dab8ddcoriginX) * scaleRatio; gdv_69e178dab8ddcoriginY = centerY - (centerY - gdv_69e178dab8ddcoriginY) * scaleRatio;
gdv_69e178dab8ddcscale = newScale; gdv_69e178dab8ddcdrawImage(); // 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); }