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const gdv_69bb82ae8b13dcanvas = document.getElementById("gdv_69bb82ae8b13dimageCanvas"); const gdv_69bb82ae8b13dctx = gdv_69bb82ae8b13dcanvas.getContext("2d");
const gdv_69bb82ae8b13dthumbnailContainer = document.getElementById("gdv_69bb82ae8b13dthumbnailContainer"); const gdv_69bb82ae8b13dthumbnailContainerWrapper = document.getElementById("gdv_69bb82ae8b13dthumbnailContainerWrapper"); const gdv_69bb82ae8b13dzoomInButton = document.getElementById("gdv_69bb82ae8b13dzoomIn"); const gdv_69bb82ae8b13dzoomOutButton = document.getElementById("gdv_69bb82ae8b13dzoomOut"); const gdv_69bb82ae8b13dresetZoomButton = document.getElementById("gdv_69bb82ae8b13dresetZoom");
const gdv_69bb82ae8b13dbrightnessInput = document.getElementById("gdv_69bb82ae8b13dbrightness"); const gdv_69bb82ae8b13dcontrastInput = document.getElementById("gdv_69bb82ae8b13dcontrast"); const gdv_69bb82ae8b13dfullscreenButton = document.getElementById("gdv_69bb82ae8b13dfullscreen");
const gdv_69bb82ae8b13drotateRightButton = document.getElementById("gdv_69bb82ae8b13drotateRight"); const gdv_69bb82ae8b13drotateLeftButton = document.getElementById("gdv_69bb82ae8b13drotateLeft");
const gdv_69bb82ae8b13dprevSlideButton = document.getElementById("gdv_69bb82ae8b13dprevSlide"); const gdv_69bb82ae8b13dnextSlideButton = document.getElementById("gdv_69bb82ae8b13dnextSlide"); const gdv_69bb82ae8b13dslideNumberDisplay = document.getElementById("gdv_69bb82ae8b13dslideNumber"); const gdv_69bb82ae8b13dimageName = document.getElementById("gdv_69bb82ae8b13dimageName");
let gdv_69bb82ae8b13dcurrentSlideIndex = 0;
gdv_69bb82ae8b13dbrightnessInput.addEventListener("input", gdv_69bb82ae8b13ddrawImage); gdv_69bb82ae8b13dcontrastInput.addEventListener("input", gdv_69bb82ae8b13ddrawImage);
const gdv_69bb82ae8b13dimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1twCLzRfnlLofRkn8mwGB4fneUJR2ANI5&sz=w3000","name":"PEPolv_Promesses_liberte\u0301_Aux_Africains.jpg"}];
let gdv_69bb82ae8b13dscale = 1; let gdv_69bb82ae8b13doriginX = 0; let gdv_69bb82ae8b13doriginY = 0; const gdv_69bb82ae8b13dminScale = 0.1; const gdv_69bb82ae8b13dmaxScale = 5; let gdv_69bb82ae8b13dcurrentImage = new Image();
let gdv_69bb82ae8b13drotationAngle = 0;
gdv_69bb82ae8b13drotateRightButton.addEventListener("click", function() { gdv_69bb82ae8b13drotationAngle = (gdv_69bb82ae8b13drotationAngle + 90) % 360; gdv_69bb82ae8b13ddrawImage(); });
gdv_69bb82ae8b13drotateLeftButton.addEventListener("click", function() { gdv_69bb82ae8b13drotationAngle = (gdv_69bb82ae8b13drotationAngle - 90 + 360) % 360; gdv_69bb82ae8b13ddrawImage(); });
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_69bb82ae8b13dcurrentImage.src = gdv_69bb82ae8b13dimageUrls[0]["url"]; gdv_69bb82ae8b13dimageName.innerHTML = filtrerChaine(gdv_69bb82ae8b13dimageUrls[0]["name"], "rien"); gdv_69bb82ae8b13dcurrentImage.onload = function() {
gdv_69bb82ae8b13dupdateSlideNumber(); gdv_69bb82ae8b13dresizeCanvas(); gdv_69bb82ae8b13ddrawImage(); document.getElementById("gdv_69bb82ae8b13dcontrols").style.display = "block"; };
function gdv_69bb82ae8b13dupdateSlideNumber() { gdv_69bb82ae8b13dslideNumberDisplay.textContent = `${gdv_69bb82ae8b13dcurrentSlideIndex + 1} / ${gdv_69bb82ae8b13dimageUrls.length}`; }
gdv_69bb82ae8b13dprevSlideButton.addEventListener("click", function() { if (gdv_69bb82ae8b13dcurrentSlideIndex > 0) { gdv_69bb82ae8b13dcurrentSlideIndex--; gdv_69bb82ae8b13dloadImage(gdv_69bb82ae8b13dcurrentSlideIndex); gdv_69bb82ae8b13dupdateSlideNumber(); } });
gdv_69bb82ae8b13dnextSlideButton.addEventListener("click", function() { if (gdv_69bb82ae8b13dcurrentSlideIndex < gdv_69bb82ae8b13dimageUrls.length - 1) { gdv_69bb82ae8b13dcurrentSlideIndex++; gdv_69bb82ae8b13dloadImage(gdv_69bb82ae8b13dcurrentSlideIndex); gdv_69bb82ae8b13dupdateSlideNumber(); } }); function gdv_69bb82ae8b13dresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69bb82ae8b13dcanvasContainer"); gdv_69bb82ae8b13dcanvas.width = container.clientWidth; gdv_69bb82ae8b13dcanvas.height = container.clientHeight - 30; gdv_69bb82ae8b13dfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69bb82ae8b13ddrawImage(); } window.addEventListener("load", gdv_69bb82ae8b13dresizeCanvas); window.addEventListener("resize", gdv_69bb82ae8b13dresizeCanvas); function gdv_69bb82ae8b13dfitImageToCanvas() { const canvasAspect = gdv_69bb82ae8b13dcanvas.width / gdv_69bb82ae8b13dcanvas.height; const imageAspect = gdv_69bb82ae8b13dcurrentImage.width / gdv_69bb82ae8b13dcurrentImage.height; if (imageAspect > canvasAspect) { gdv_69bb82ae8b13dscale = gdv_69bb82ae8b13dcanvas.width / gdv_69bb82ae8b13dcurrentImage.width; } else { gdv_69bb82ae8b13dscale = gdv_69bb82ae8b13dcanvas.height / gdv_69bb82ae8b13dcurrentImage.height; } gdv_69bb82ae8b13doriginX = gdv_69bb82ae8b13dcanvas.width / 2; gdv_69bb82ae8b13doriginY = gdv_69bb82ae8b13dcanvas.height / 2; }
function gdv_69bb82ae8b13ddrawImage() { gdv_69bb82ae8b13dctx.clearRect(0, 0, gdv_69bb82ae8b13dcanvas.width, gdv_69bb82ae8b13dcanvas.height); gdv_69bb82ae8b13dctx.save(); gdv_69bb82ae8b13dctx.translate(gdv_69bb82ae8b13doriginX, gdv_69bb82ae8b13doriginY); gdv_69bb82ae8b13dctx.rotate((Math.PI / 180) * gdv_69bb82ae8b13drotationAngle); gdv_69bb82ae8b13dctx.scale(gdv_69bb82ae8b13dscale, gdv_69bb82ae8b13dscale);
// Appliquer la luminosité et le contraste gdv_69bb82ae8b13dctx.filter = `brightness(${gdv_69bb82ae8b13dbrightnessInput.value}) contrast(${gdv_69bb82ae8b13dcontrastInput.value})`; gdv_69bb82ae8b13dctx.drawImage(gdv_69bb82ae8b13dcurrentImage, -gdv_69bb82ae8b13dcurrentImage.width/2, -gdv_69bb82ae8b13dcurrentImage.height/2); gdv_69bb82ae8b13dctx.restore(); }
// Ajouter les miniatures des images gdv_69bb82ae8b13dimageUrls.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_69bb82ae8b13dloadImage(index); gdv_69bb82ae8b13dcurrentSlideIndex = index; gdv_69bb82ae8b13dupdateSlideNumber(); }; slide.appendChild(img); gdv_69bb82ae8b13dthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69bb82ae8b13dloadImage(index) { gdv_69bb82ae8b13dcurrentImage.src = gdv_69bb82ae8b13dimageUrls[index]["url"]; gdv_69bb82ae8b13dimageName.innerHTML = filtrerChaine(gdv_69bb82ae8b13dimageUrls[index]["name"], "rien"); gdv_69bb82ae8b13dcurrentImage.onload = function() { gdv_69bb82ae8b13dscale = 1; gdv_69bb82ae8b13doriginX = 0; gdv_69bb82ae8b13doriginY = 0; gdv_69bb82ae8b13dfitImageToCanvas(); gdv_69bb82ae8b13ddrawImage(); };
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_69bb82ae8b13dswiper = new Swiper(".gdv_69bb82ae8b13dswiper-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_69bb82ae8b13dswiper.on("slideChange", function () { // gdv_69bb82ae8b13dcurrentSlideIndex = gdv_69bb82ae8b13dswiper.activeIndex; // gdv_69bb82ae8b13dupdateSlideNumber(); //});
// Plein écran gdv_69bb82ae8b13dfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69bb82ae8b13dgd-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_69bb82ae8b13dcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69bb82ae8b13dscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69bb82ae8b13dminScale, Math.min(gdv_69bb82ae8b13dmaxScale, newScale)); const scaleRatio = newScale / gdv_69bb82ae8b13dscale; gdv_69bb82ae8b13doriginX = mouseX - (mouseX - gdv_69bb82ae8b13doriginX) * scaleRatio; gdv_69bb82ae8b13doriginY = mouseY - (mouseY - gdv_69bb82ae8b13doriginY) * scaleRatio; gdv_69bb82ae8b13dscale = newScale; gdv_69bb82ae8b13ddrawImage(); }); // Gestion du déplacement (pan) let gdv_69bb82ae8b13disDragging = false; let gdv_69bb82ae8b13dstartX, gdv_69bb82ae8b13dstartY; gdv_69bb82ae8b13dcanvas.addEventListener("mousedown", function(event) { gdv_69bb82ae8b13disDragging = true; gdv_69bb82ae8b13dstartX = event.offsetX - gdv_69bb82ae8b13doriginX; gdv_69bb82ae8b13dstartY = event.offsetY - gdv_69bb82ae8b13doriginY; gdv_69bb82ae8b13dcanvas.style.cursor = "grabbing"; }); gdv_69bb82ae8b13dcanvas.addEventListener("mousemove", function(event) { if (gdv_69bb82ae8b13disDragging) { gdv_69bb82ae8b13doriginX = event.offsetX - gdv_69bb82ae8b13dstartX; gdv_69bb82ae8b13doriginY = event.offsetY - gdv_69bb82ae8b13dstartY; gdv_69bb82ae8b13ddrawImage(); } }); // Gestion des événements tactiles gdv_69bb82ae8b13dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69bb82ae8b13disDragging = true; const touch = event.touches[0]; gdv_69bb82ae8b13dstartX = touch.pageX - gdv_69bb82ae8b13doriginX; gdv_69bb82ae8b13dstartY = touch.pageY - gdv_69bb82ae8b13doriginY; } }); gdv_69bb82ae8b13dcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69bb82ae8b13doriginX = touch.pageX - gdv_69bb82ae8b13dstartX; gdv_69bb82ae8b13doriginY = touch.pageY - gdv_69bb82ae8b13dstartY; gdv_69bb82ae8b13ddrawImage(); }); gdv_69bb82ae8b13dcanvas.addEventListener("touchend", function() { gdv_69bb82ae8b13disDragging = false; }); gdv_69bb82ae8b13dcanvas.addEventListener("mouseup", function() { gdv_69bb82ae8b13disDragging = false; gdv_69bb82ae8b13dcanvas.style.cursor = "grab"; }); gdv_69bb82ae8b13dcanvas.addEventListener("mouseleave", function() { gdv_69bb82ae8b13disDragging = false; gdv_69bb82ae8b13dcanvas.style.cursor = "grab"; }); gdv_69bb82ae8b13dzoomInButton.addEventListener("click", function() { let newScale = gdv_69bb82ae8b13dscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69bb82ae8b13dscale = Math.max(gdv_69bb82ae8b13dminScale, Math.min(gdv_69bb82ae8b13dmaxScale, newScale)); gdv_69bb82ae8b13ddrawImage(); }); gdv_69bb82ae8b13dzoomOutButton.addEventListener("click", function() { let newScale = gdv_69bb82ae8b13dscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69bb82ae8b13dscale = Math.max(gdv_69bb82ae8b13dminScale, Math.min(gdv_69bb82ae8b13dmaxScale, newScale)); gdv_69bb82ae8b13ddrawImage(); }); gdv_69bb82ae8b13dresetZoomButton.addEventListener("click", function() { gdv_69bb82ae8b13drotationAngle = 0; gdv_69bb82ae8b13dfitImageToCanvas(); gdv_69bb82ae8b13ddrawImage(); }); function gdv_69bb82ae8b13dgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69bb82ae8b13ddownloadImage").addEventListener("click", function() { let url = gdv_69bb82ae8b13dcurrentImage.src; const imageId = gdv_69bb82ae8b13dgetImageIdFromUrl(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_69bb82ae8b13dprintImageFromApi(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_69bb82ae8b13dprintButton = document.getElementById("gdv_69bb82ae8b13dprintCanvas");
gdv_69bb82ae8b13dprintButton.addEventListener("click", function() { let url = gdv_69bb82ae8b13dcurrentImage.src; const imageId = gdv_69bb82ae8b13dgetImageIdFromUrl(url); gdv_69bb82ae8b13dprintImageFromApi(imageId); });
let gdv_69bb82ae8b13dinitialDistance = 0; let gdv_69bb82ae8b13dinitialScale = 1;
gdv_69bb82ae8b13dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69bb82ae8b13dinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69bb82ae8b13dinitialScale = gdv_69bb82ae8b13dscale; } });
gdv_69bb82ae8b13dcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69bb82ae8b13dinitialDistance; let newScale = gdv_69bb82ae8b13dinitialScale * scaleChange;
newScale = Math.max(gdv_69bb82ae8b13dminScale, Math.min(gdv_69bb82ae8b13dmaxScale, 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_69bb82ae8b13dscale; gdv_69bb82ae8b13doriginX = centerX - (centerX - gdv_69bb82ae8b13doriginX) * scaleRatio; gdv_69bb82ae8b13doriginY = centerY - (centerY - gdv_69bb82ae8b13doriginY) * scaleRatio;
gdv_69bb82ae8b13dscale = newScale; gdv_69bb82ae8b13ddrawImage(); // 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); }