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const gdv_697049ccc013dcanvas = document.getElementById("gdv_697049ccc013dimageCanvas"); const gdv_697049ccc013dctx = gdv_697049ccc013dcanvas.getContext("2d");
const gdv_697049ccc013dthumbnailContainer = document.getElementById("gdv_697049ccc013dthumbnailContainer"); const gdv_697049ccc013dthumbnailContainerWrapper = document.getElementById("gdv_697049ccc013dthumbnailContainerWrapper"); const gdv_697049ccc013dzoomInButton = document.getElementById("gdv_697049ccc013dzoomIn"); const gdv_697049ccc013dzoomOutButton = document.getElementById("gdv_697049ccc013dzoomOut"); const gdv_697049ccc013dresetZoomButton = document.getElementById("gdv_697049ccc013dresetZoom");
const gdv_697049ccc013dbrightnessInput = document.getElementById("gdv_697049ccc013dbrightness"); const gdv_697049ccc013dcontrastInput = document.getElementById("gdv_697049ccc013dcontrast"); const gdv_697049ccc013dfullscreenButton = document.getElementById("gdv_697049ccc013dfullscreen");
const gdv_697049ccc013drotateRightButton = document.getElementById("gdv_697049ccc013drotateRight"); const gdv_697049ccc013drotateLeftButton = document.getElementById("gdv_697049ccc013drotateLeft");
const gdv_697049ccc013dprevSlideButton = document.getElementById("gdv_697049ccc013dprevSlide"); const gdv_697049ccc013dnextSlideButton = document.getElementById("gdv_697049ccc013dnextSlide"); const gdv_697049ccc013dslideNumberDisplay = document.getElementById("gdv_697049ccc013dslideNumber"); const gdv_697049ccc013dimageName = document.getElementById("gdv_697049ccc013dimageName");
let gdv_697049ccc013dcurrentSlideIndex = 0;
gdv_697049ccc013dbrightnessInput.addEventListener("input", gdv_697049ccc013ddrawImage); gdv_697049ccc013dcontrastInput.addEventListener("input", gdv_697049ccc013ddrawImage);
const gdv_697049ccc013dimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1wG1E5B3NpG9WiCsga52lUrOI6V_jQL1x&sz=w3000","name":"EPOL_LFS_ affranchissement des esclaves guerriers dans le Sud.jpg"}];
let gdv_697049ccc013dscale = 1; let gdv_697049ccc013doriginX = 0; let gdv_697049ccc013doriginY = 0; const gdv_697049ccc013dminScale = 0.1; const gdv_697049ccc013dmaxScale = 5; let gdv_697049ccc013dcurrentImage = new Image();
let gdv_697049ccc013drotationAngle = 0;
gdv_697049ccc013drotateRightButton.addEventListener("click", function() { gdv_697049ccc013drotationAngle = (gdv_697049ccc013drotationAngle + 90) % 360; gdv_697049ccc013ddrawImage(); });
gdv_697049ccc013drotateLeftButton.addEventListener("click", function() { gdv_697049ccc013drotationAngle = (gdv_697049ccc013drotationAngle - 90 + 360) % 360; gdv_697049ccc013ddrawImage(); });
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_697049ccc013dcurrentImage.src = gdv_697049ccc013dimageUrls[0]["url"]; gdv_697049ccc013dimageName.innerHTML = filtrerChaine(gdv_697049ccc013dimageUrls[0]["name"], "rien"); gdv_697049ccc013dcurrentImage.onload = function() {
gdv_697049ccc013dupdateSlideNumber(); gdv_697049ccc013dresizeCanvas(); gdv_697049ccc013ddrawImage(); document.getElementById("gdv_697049ccc013dcontrols").style.display = "block"; };
function gdv_697049ccc013dupdateSlideNumber() { gdv_697049ccc013dslideNumberDisplay.textContent = `${gdv_697049ccc013dcurrentSlideIndex + 1} / ${gdv_697049ccc013dimageUrls.length}`; }
gdv_697049ccc013dprevSlideButton.addEventListener("click", function() { if (gdv_697049ccc013dcurrentSlideIndex > 0) { gdv_697049ccc013dcurrentSlideIndex--; gdv_697049ccc013dloadImage(gdv_697049ccc013dcurrentSlideIndex); gdv_697049ccc013dupdateSlideNumber(); } });
gdv_697049ccc013dnextSlideButton.addEventListener("click", function() { if (gdv_697049ccc013dcurrentSlideIndex < gdv_697049ccc013dimageUrls.length - 1) { gdv_697049ccc013dcurrentSlideIndex++; gdv_697049ccc013dloadImage(gdv_697049ccc013dcurrentSlideIndex); gdv_697049ccc013dupdateSlideNumber(); } }); function gdv_697049ccc013dresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_697049ccc013dcanvasContainer"); gdv_697049ccc013dcanvas.width = container.clientWidth; gdv_697049ccc013dcanvas.height = container.clientHeight - 30; gdv_697049ccc013dfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_697049ccc013ddrawImage(); } window.addEventListener("load", gdv_697049ccc013dresizeCanvas); window.addEventListener("resize", gdv_697049ccc013dresizeCanvas); function gdv_697049ccc013dfitImageToCanvas() { const canvasAspect = gdv_697049ccc013dcanvas.width / gdv_697049ccc013dcanvas.height; const imageAspect = gdv_697049ccc013dcurrentImage.width / gdv_697049ccc013dcurrentImage.height; if (imageAspect > canvasAspect) { gdv_697049ccc013dscale = gdv_697049ccc013dcanvas.width / gdv_697049ccc013dcurrentImage.width; } else { gdv_697049ccc013dscale = gdv_697049ccc013dcanvas.height / gdv_697049ccc013dcurrentImage.height; } gdv_697049ccc013doriginX = gdv_697049ccc013dcanvas.width / 2; gdv_697049ccc013doriginY = gdv_697049ccc013dcanvas.height / 2; }
function gdv_697049ccc013ddrawImage() { gdv_697049ccc013dctx.clearRect(0, 0, gdv_697049ccc013dcanvas.width, gdv_697049ccc013dcanvas.height); gdv_697049ccc013dctx.save(); gdv_697049ccc013dctx.translate(gdv_697049ccc013doriginX, gdv_697049ccc013doriginY); gdv_697049ccc013dctx.rotate((Math.PI / 180) * gdv_697049ccc013drotationAngle); gdv_697049ccc013dctx.scale(gdv_697049ccc013dscale, gdv_697049ccc013dscale);
// Appliquer la luminosité et le contraste gdv_697049ccc013dctx.filter = `brightness(${gdv_697049ccc013dbrightnessInput.value}) contrast(${gdv_697049ccc013dcontrastInput.value})`; gdv_697049ccc013dctx.drawImage(gdv_697049ccc013dcurrentImage, -gdv_697049ccc013dcurrentImage.width/2, -gdv_697049ccc013dcurrentImage.height/2); gdv_697049ccc013dctx.restore(); }
// Ajouter les miniatures des images gdv_697049ccc013dimageUrls.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_697049ccc013dloadImage(index); gdv_697049ccc013dcurrentSlideIndex = index; gdv_697049ccc013dupdateSlideNumber(); }; slide.appendChild(img); gdv_697049ccc013dthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_697049ccc013dloadImage(index) { gdv_697049ccc013dcurrentImage.src = gdv_697049ccc013dimageUrls[index]["url"]; gdv_697049ccc013dimageName.innerHTML = filtrerChaine(gdv_697049ccc013dimageUrls[index]["name"], "rien"); gdv_697049ccc013dcurrentImage.onload = function() { gdv_697049ccc013dscale = 1; gdv_697049ccc013doriginX = 0; gdv_697049ccc013doriginY = 0; gdv_697049ccc013dfitImageToCanvas(); gdv_697049ccc013ddrawImage(); };
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_697049ccc013dswiper = new Swiper(".gdv_697049ccc013dswiper-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_697049ccc013dswiper.on("slideChange", function () { // gdv_697049ccc013dcurrentSlideIndex = gdv_697049ccc013dswiper.activeIndex; // gdv_697049ccc013dupdateSlideNumber(); //});
// Plein écran gdv_697049ccc013dfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_697049ccc013dgd-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_697049ccc013dcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_697049ccc013dscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_697049ccc013dminScale, Math.min(gdv_697049ccc013dmaxScale, newScale)); const scaleRatio = newScale / gdv_697049ccc013dscale; gdv_697049ccc013doriginX = mouseX - (mouseX - gdv_697049ccc013doriginX) * scaleRatio; gdv_697049ccc013doriginY = mouseY - (mouseY - gdv_697049ccc013doriginY) * scaleRatio; gdv_697049ccc013dscale = newScale; gdv_697049ccc013ddrawImage(); }); // Gestion du déplacement (pan) let gdv_697049ccc013disDragging = false; let gdv_697049ccc013dstartX, gdv_697049ccc013dstartY; gdv_697049ccc013dcanvas.addEventListener("mousedown", function(event) { gdv_697049ccc013disDragging = true; gdv_697049ccc013dstartX = event.offsetX - gdv_697049ccc013doriginX; gdv_697049ccc013dstartY = event.offsetY - gdv_697049ccc013doriginY; gdv_697049ccc013dcanvas.style.cursor = "grabbing"; }); gdv_697049ccc013dcanvas.addEventListener("mousemove", function(event) { if (gdv_697049ccc013disDragging) { gdv_697049ccc013doriginX = event.offsetX - gdv_697049ccc013dstartX; gdv_697049ccc013doriginY = event.offsetY - gdv_697049ccc013dstartY; gdv_697049ccc013ddrawImage(); } }); // Gestion des événements tactiles gdv_697049ccc013dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_697049ccc013disDragging = true; const touch = event.touches[0]; gdv_697049ccc013dstartX = touch.pageX - gdv_697049ccc013doriginX; gdv_697049ccc013dstartY = touch.pageY - gdv_697049ccc013doriginY; } }); gdv_697049ccc013dcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_697049ccc013doriginX = touch.pageX - gdv_697049ccc013dstartX; gdv_697049ccc013doriginY = touch.pageY - gdv_697049ccc013dstartY; gdv_697049ccc013ddrawImage(); }); gdv_697049ccc013dcanvas.addEventListener("touchend", function() { gdv_697049ccc013disDragging = false; }); gdv_697049ccc013dcanvas.addEventListener("mouseup", function() { gdv_697049ccc013disDragging = false; gdv_697049ccc013dcanvas.style.cursor = "grab"; }); gdv_697049ccc013dcanvas.addEventListener("mouseleave", function() { gdv_697049ccc013disDragging = false; gdv_697049ccc013dcanvas.style.cursor = "grab"; }); gdv_697049ccc013dzoomInButton.addEventListener("click", function() { let newScale = gdv_697049ccc013dscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_697049ccc013dscale = Math.max(gdv_697049ccc013dminScale, Math.min(gdv_697049ccc013dmaxScale, newScale)); gdv_697049ccc013ddrawImage(); }); gdv_697049ccc013dzoomOutButton.addEventListener("click", function() { let newScale = gdv_697049ccc013dscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_697049ccc013dscale = Math.max(gdv_697049ccc013dminScale, Math.min(gdv_697049ccc013dmaxScale, newScale)); gdv_697049ccc013ddrawImage(); }); gdv_697049ccc013dresetZoomButton.addEventListener("click", function() { gdv_697049ccc013drotationAngle = 0; gdv_697049ccc013dfitImageToCanvas(); gdv_697049ccc013ddrawImage(); }); function gdv_697049ccc013dgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_697049ccc013ddownloadImage").addEventListener("click", function() { let url = gdv_697049ccc013dcurrentImage.src; const imageId = gdv_697049ccc013dgetImageIdFromUrl(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_697049ccc013dprintImageFromApi(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_697049ccc013dprintButton = document.getElementById("gdv_697049ccc013dprintCanvas");
gdv_697049ccc013dprintButton.addEventListener("click", function() { let url = gdv_697049ccc013dcurrentImage.src; const imageId = gdv_697049ccc013dgetImageIdFromUrl(url); gdv_697049ccc013dprintImageFromApi(imageId); });
let gdv_697049ccc013dinitialDistance = 0; let gdv_697049ccc013dinitialScale = 1;
gdv_697049ccc013dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_697049ccc013dinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_697049ccc013dinitialScale = gdv_697049ccc013dscale; } });
gdv_697049ccc013dcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_697049ccc013dinitialDistance; let newScale = gdv_697049ccc013dinitialScale * scaleChange;
newScale = Math.max(gdv_697049ccc013dminScale, Math.min(gdv_697049ccc013dmaxScale, 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_697049ccc013dscale; gdv_697049ccc013doriginX = centerX - (centerX - gdv_697049ccc013doriginX) * scaleRatio; gdv_697049ccc013doriginY = centerY - (centerY - gdv_697049ccc013doriginY) * scaleRatio;
gdv_697049ccc013dscale = newScale; gdv_697049ccc013ddrawImage(); // 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); }