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const gdv_69a65d8574bfccanvas = document.getElementById("gdv_69a65d8574bfcimageCanvas"); const gdv_69a65d8574bfcctx = gdv_69a65d8574bfccanvas.getContext("2d");
const gdv_69a65d8574bfcthumbnailContainer = document.getElementById("gdv_69a65d8574bfcthumbnailContainer"); const gdv_69a65d8574bfcthumbnailContainerWrapper = document.getElementById("gdv_69a65d8574bfcthumbnailContainerWrapper"); const gdv_69a65d8574bfczoomInButton = document.getElementById("gdv_69a65d8574bfczoomIn"); const gdv_69a65d8574bfczoomOutButton = document.getElementById("gdv_69a65d8574bfczoomOut"); const gdv_69a65d8574bfcresetZoomButton = document.getElementById("gdv_69a65d8574bfcresetZoom");
const gdv_69a65d8574bfcbrightnessInput = document.getElementById("gdv_69a65d8574bfcbrightness"); const gdv_69a65d8574bfccontrastInput = document.getElementById("gdv_69a65d8574bfccontrast"); const gdv_69a65d8574bfcfullscreenButton = document.getElementById("gdv_69a65d8574bfcfullscreen");
const gdv_69a65d8574bfcrotateRightButton = document.getElementById("gdv_69a65d8574bfcrotateRight"); const gdv_69a65d8574bfcrotateLeftButton = document.getElementById("gdv_69a65d8574bfcrotateLeft");
const gdv_69a65d8574bfcprevSlideButton = document.getElementById("gdv_69a65d8574bfcprevSlide"); const gdv_69a65d8574bfcnextSlideButton = document.getElementById("gdv_69a65d8574bfcnextSlide"); const gdv_69a65d8574bfcslideNumberDisplay = document.getElementById("gdv_69a65d8574bfcslideNumber"); const gdv_69a65d8574bfcimageName = document.getElementById("gdv_69a65d8574bfcimageName");
let gdv_69a65d8574bfccurrentSlideIndex = 0;
gdv_69a65d8574bfcbrightnessInput.addEventListener("input", gdv_69a65d8574bfcdrawImage); gdv_69a65d8574bfccontrastInput.addEventListener("input", gdv_69a65d8574bfcdrawImage);
const gdv_69a65d8574bfcimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1wG1E5B3NpG9WiCsga52lUrOI6V_jQL1x&sz=w3000","name":"EPOL_LFS_ affranchissement des esclaves guerriers dans le Sud.jpg"}];
let gdv_69a65d8574bfcscale = 1; let gdv_69a65d8574bfcoriginX = 0; let gdv_69a65d8574bfcoriginY = 0; const gdv_69a65d8574bfcminScale = 0.1; const gdv_69a65d8574bfcmaxScale = 5; let gdv_69a65d8574bfccurrentImage = new Image();
let gdv_69a65d8574bfcrotationAngle = 0;
gdv_69a65d8574bfcrotateRightButton.addEventListener("click", function() { gdv_69a65d8574bfcrotationAngle = (gdv_69a65d8574bfcrotationAngle + 90) % 360; gdv_69a65d8574bfcdrawImage(); });
gdv_69a65d8574bfcrotateLeftButton.addEventListener("click", function() { gdv_69a65d8574bfcrotationAngle = (gdv_69a65d8574bfcrotationAngle - 90 + 360) % 360; gdv_69a65d8574bfcdrawImage(); });
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_69a65d8574bfccurrentImage.src = gdv_69a65d8574bfcimageUrls[0]["url"]; gdv_69a65d8574bfcimageName.innerHTML = filtrerChaine(gdv_69a65d8574bfcimageUrls[0]["name"], "rien"); gdv_69a65d8574bfccurrentImage.onload = function() {
gdv_69a65d8574bfcupdateSlideNumber(); gdv_69a65d8574bfcresizeCanvas(); gdv_69a65d8574bfcdrawImage(); document.getElementById("gdv_69a65d8574bfccontrols").style.display = "block"; };
function gdv_69a65d8574bfcupdateSlideNumber() { gdv_69a65d8574bfcslideNumberDisplay.textContent = `${gdv_69a65d8574bfccurrentSlideIndex + 1} / ${gdv_69a65d8574bfcimageUrls.length}`; }
gdv_69a65d8574bfcprevSlideButton.addEventListener("click", function() { if (gdv_69a65d8574bfccurrentSlideIndex > 0) { gdv_69a65d8574bfccurrentSlideIndex--; gdv_69a65d8574bfcloadImage(gdv_69a65d8574bfccurrentSlideIndex); gdv_69a65d8574bfcupdateSlideNumber(); } });
gdv_69a65d8574bfcnextSlideButton.addEventListener("click", function() { if (gdv_69a65d8574bfccurrentSlideIndex < gdv_69a65d8574bfcimageUrls.length - 1) { gdv_69a65d8574bfccurrentSlideIndex++; gdv_69a65d8574bfcloadImage(gdv_69a65d8574bfccurrentSlideIndex); gdv_69a65d8574bfcupdateSlideNumber(); } }); function gdv_69a65d8574bfcresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69a65d8574bfccanvasContainer"); gdv_69a65d8574bfccanvas.width = container.clientWidth; gdv_69a65d8574bfccanvas.height = container.clientHeight - 30; gdv_69a65d8574bfcfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69a65d8574bfcdrawImage(); } window.addEventListener("load", gdv_69a65d8574bfcresizeCanvas); window.addEventListener("resize", gdv_69a65d8574bfcresizeCanvas); function gdv_69a65d8574bfcfitImageToCanvas() { const canvasAspect = gdv_69a65d8574bfccanvas.width / gdv_69a65d8574bfccanvas.height; const imageAspect = gdv_69a65d8574bfccurrentImage.width / gdv_69a65d8574bfccurrentImage.height; if (imageAspect > canvasAspect) { gdv_69a65d8574bfcscale = gdv_69a65d8574bfccanvas.width / gdv_69a65d8574bfccurrentImage.width; } else { gdv_69a65d8574bfcscale = gdv_69a65d8574bfccanvas.height / gdv_69a65d8574bfccurrentImage.height; } gdv_69a65d8574bfcoriginX = gdv_69a65d8574bfccanvas.width / 2; gdv_69a65d8574bfcoriginY = gdv_69a65d8574bfccanvas.height / 2; }
function gdv_69a65d8574bfcdrawImage() { gdv_69a65d8574bfcctx.clearRect(0, 0, gdv_69a65d8574bfccanvas.width, gdv_69a65d8574bfccanvas.height); gdv_69a65d8574bfcctx.save(); gdv_69a65d8574bfcctx.translate(gdv_69a65d8574bfcoriginX, gdv_69a65d8574bfcoriginY); gdv_69a65d8574bfcctx.rotate((Math.PI / 180) * gdv_69a65d8574bfcrotationAngle); gdv_69a65d8574bfcctx.scale(gdv_69a65d8574bfcscale, gdv_69a65d8574bfcscale);
// Appliquer la luminosité et le contraste gdv_69a65d8574bfcctx.filter = `brightness(${gdv_69a65d8574bfcbrightnessInput.value}) contrast(${gdv_69a65d8574bfccontrastInput.value})`; gdv_69a65d8574bfcctx.drawImage(gdv_69a65d8574bfccurrentImage, -gdv_69a65d8574bfccurrentImage.width/2, -gdv_69a65d8574bfccurrentImage.height/2); gdv_69a65d8574bfcctx.restore(); }
// Ajouter les miniatures des images gdv_69a65d8574bfcimageUrls.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_69a65d8574bfcloadImage(index); gdv_69a65d8574bfccurrentSlideIndex = index; gdv_69a65d8574bfcupdateSlideNumber(); }; slide.appendChild(img); gdv_69a65d8574bfcthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69a65d8574bfcloadImage(index) { gdv_69a65d8574bfccurrentImage.src = gdv_69a65d8574bfcimageUrls[index]["url"]; gdv_69a65d8574bfcimageName.innerHTML = filtrerChaine(gdv_69a65d8574bfcimageUrls[index]["name"], "rien"); gdv_69a65d8574bfccurrentImage.onload = function() { gdv_69a65d8574bfcscale = 1; gdv_69a65d8574bfcoriginX = 0; gdv_69a65d8574bfcoriginY = 0; gdv_69a65d8574bfcfitImageToCanvas(); gdv_69a65d8574bfcdrawImage(); };
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_69a65d8574bfcswiper = new Swiper(".gdv_69a65d8574bfcswiper-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_69a65d8574bfcswiper.on("slideChange", function () { // gdv_69a65d8574bfccurrentSlideIndex = gdv_69a65d8574bfcswiper.activeIndex; // gdv_69a65d8574bfcupdateSlideNumber(); //});
// Plein écran gdv_69a65d8574bfcfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69a65d8574bfcgd-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_69a65d8574bfccanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69a65d8574bfcscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69a65d8574bfcminScale, Math.min(gdv_69a65d8574bfcmaxScale, newScale)); const scaleRatio = newScale / gdv_69a65d8574bfcscale; gdv_69a65d8574bfcoriginX = mouseX - (mouseX - gdv_69a65d8574bfcoriginX) * scaleRatio; gdv_69a65d8574bfcoriginY = mouseY - (mouseY - gdv_69a65d8574bfcoriginY) * scaleRatio; gdv_69a65d8574bfcscale = newScale; gdv_69a65d8574bfcdrawImage(); }); // Gestion du déplacement (pan) let gdv_69a65d8574bfcisDragging = false; let gdv_69a65d8574bfcstartX, gdv_69a65d8574bfcstartY; gdv_69a65d8574bfccanvas.addEventListener("mousedown", function(event) { gdv_69a65d8574bfcisDragging = true; gdv_69a65d8574bfcstartX = event.offsetX - gdv_69a65d8574bfcoriginX; gdv_69a65d8574bfcstartY = event.offsetY - gdv_69a65d8574bfcoriginY; gdv_69a65d8574bfccanvas.style.cursor = "grabbing"; }); gdv_69a65d8574bfccanvas.addEventListener("mousemove", function(event) { if (gdv_69a65d8574bfcisDragging) { gdv_69a65d8574bfcoriginX = event.offsetX - gdv_69a65d8574bfcstartX; gdv_69a65d8574bfcoriginY = event.offsetY - gdv_69a65d8574bfcstartY; gdv_69a65d8574bfcdrawImage(); } }); // Gestion des événements tactiles gdv_69a65d8574bfccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69a65d8574bfcisDragging = true; const touch = event.touches[0]; gdv_69a65d8574bfcstartX = touch.pageX - gdv_69a65d8574bfcoriginX; gdv_69a65d8574bfcstartY = touch.pageY - gdv_69a65d8574bfcoriginY; } }); gdv_69a65d8574bfccanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69a65d8574bfcoriginX = touch.pageX - gdv_69a65d8574bfcstartX; gdv_69a65d8574bfcoriginY = touch.pageY - gdv_69a65d8574bfcstartY; gdv_69a65d8574bfcdrawImage(); }); gdv_69a65d8574bfccanvas.addEventListener("touchend", function() { gdv_69a65d8574bfcisDragging = false; }); gdv_69a65d8574bfccanvas.addEventListener("mouseup", function() { gdv_69a65d8574bfcisDragging = false; gdv_69a65d8574bfccanvas.style.cursor = "grab"; }); gdv_69a65d8574bfccanvas.addEventListener("mouseleave", function() { gdv_69a65d8574bfcisDragging = false; gdv_69a65d8574bfccanvas.style.cursor = "grab"; }); gdv_69a65d8574bfczoomInButton.addEventListener("click", function() { let newScale = gdv_69a65d8574bfcscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69a65d8574bfcscale = Math.max(gdv_69a65d8574bfcminScale, Math.min(gdv_69a65d8574bfcmaxScale, newScale)); gdv_69a65d8574bfcdrawImage(); }); gdv_69a65d8574bfczoomOutButton.addEventListener("click", function() { let newScale = gdv_69a65d8574bfcscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69a65d8574bfcscale = Math.max(gdv_69a65d8574bfcminScale, Math.min(gdv_69a65d8574bfcmaxScale, newScale)); gdv_69a65d8574bfcdrawImage(); }); gdv_69a65d8574bfcresetZoomButton.addEventListener("click", function() { gdv_69a65d8574bfcrotationAngle = 0; gdv_69a65d8574bfcfitImageToCanvas(); gdv_69a65d8574bfcdrawImage(); }); function gdv_69a65d8574bfcgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69a65d8574bfcdownloadImage").addEventListener("click", function() { let url = gdv_69a65d8574bfccurrentImage.src; const imageId = gdv_69a65d8574bfcgetImageIdFromUrl(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_69a65d8574bfcprintImageFromApi(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_69a65d8574bfcprintButton = document.getElementById("gdv_69a65d8574bfcprintCanvas");
gdv_69a65d8574bfcprintButton.addEventListener("click", function() { let url = gdv_69a65d8574bfccurrentImage.src; const imageId = gdv_69a65d8574bfcgetImageIdFromUrl(url); gdv_69a65d8574bfcprintImageFromApi(imageId); });
let gdv_69a65d8574bfcinitialDistance = 0; let gdv_69a65d8574bfcinitialScale = 1;
gdv_69a65d8574bfccanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69a65d8574bfcinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69a65d8574bfcinitialScale = gdv_69a65d8574bfcscale; } });
gdv_69a65d8574bfccanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69a65d8574bfcinitialDistance; let newScale = gdv_69a65d8574bfcinitialScale * scaleChange;
newScale = Math.max(gdv_69a65d8574bfcminScale, Math.min(gdv_69a65d8574bfcmaxScale, 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_69a65d8574bfcscale; gdv_69a65d8574bfcoriginX = centerX - (centerX - gdv_69a65d8574bfcoriginX) * scaleRatio; gdv_69a65d8574bfcoriginY = centerY - (centerY - gdv_69a65d8574bfcoriginY) * scaleRatio;
gdv_69a65d8574bfcscale = newScale; gdv_69a65d8574bfcdrawImage(); // 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); }