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const gdv_688a230b5e982canvas = document.getElementById("gdv_688a230b5e982imageCanvas"); const gdv_688a230b5e982ctx = gdv_688a230b5e982canvas.getContext("2d");
const gdv_688a230b5e982thumbnailContainer = document.getElementById("gdv_688a230b5e982thumbnailContainer"); const gdv_688a230b5e982thumbnailContainerWrapper = document.getElementById("gdv_688a230b5e982thumbnailContainerWrapper"); const gdv_688a230b5e982zoomInButton = document.getElementById("gdv_688a230b5e982zoomIn"); const gdv_688a230b5e982zoomOutButton = document.getElementById("gdv_688a230b5e982zoomOut"); const gdv_688a230b5e982resetZoomButton = document.getElementById("gdv_688a230b5e982resetZoom");
const gdv_688a230b5e982brightnessInput = document.getElementById("gdv_688a230b5e982brightness"); const gdv_688a230b5e982contrastInput = document.getElementById("gdv_688a230b5e982contrast"); const gdv_688a230b5e982fullscreenButton = document.getElementById("gdv_688a230b5e982fullscreen");
const gdv_688a230b5e982rotateRightButton = document.getElementById("gdv_688a230b5e982rotateRight"); const gdv_688a230b5e982rotateLeftButton = document.getElementById("gdv_688a230b5e982rotateLeft");
const gdv_688a230b5e982prevSlideButton = document.getElementById("gdv_688a230b5e982prevSlide"); const gdv_688a230b5e982nextSlideButton = document.getElementById("gdv_688a230b5e982nextSlide"); const gdv_688a230b5e982slideNumberDisplay = document.getElementById("gdv_688a230b5e982slideNumber"); const gdv_688a230b5e982imageName = document.getElementById("gdv_688a230b5e982imageName");
let gdv_688a230b5e982currentSlideIndex = 0;
gdv_688a230b5e982brightnessInput.addEventListener("input", gdv_688a230b5e982drawImage); gdv_688a230b5e982contrastInput.addEventListener("input", gdv_688a230b5e982drawImage);
const gdv_688a230b5e982imageUrls = [];
let gdv_688a230b5e982scale = 1; let gdv_688a230b5e982originX = 0; let gdv_688a230b5e982originY = 0; const gdv_688a230b5e982minScale = 0.1; const gdv_688a230b5e982maxScale = 5; let gdv_688a230b5e982currentImage = new Image();
let gdv_688a230b5e982rotationAngle = 0;
gdv_688a230b5e982rotateRightButton.addEventListener("click", function() { gdv_688a230b5e982rotationAngle = (gdv_688a230b5e982rotationAngle + 90) % 360; gdv_688a230b5e982drawImage(); });
gdv_688a230b5e982rotateLeftButton.addEventListener("click", function() { gdv_688a230b5e982rotationAngle = (gdv_688a230b5e982rotationAngle - 90 + 360) % 360; gdv_688a230b5e982drawImage(); });
// Charger la première image par défaut gdv_688a230b5e982currentImage.src = gdv_688a230b5e982imageUrls[0]["url"]; gdv_688a230b5e982imageName.innerHTML = filtrerChaine(gdv_688a230b5e982imageUrls[0]["name"], ""); gdv_688a230b5e982currentImage.onload = function() {
gdv_688a230b5e982updateSlideNumber(); gdv_688a230b5e982resizeCanvas(); gdv_688a230b5e982drawImage(); document.getElementById("gdv_688a230b5e982controls").style.display = "block"; };
function gdv_688a230b5e982updateSlideNumber() { gdv_688a230b5e982slideNumberDisplay.textContent = `${gdv_688a230b5e982currentSlideIndex + 1} / ${gdv_688a230b5e982imageUrls.length}`; }
gdv_688a230b5e982prevSlideButton.addEventListener("click", function() { if (gdv_688a230b5e982currentSlideIndex > 0) { gdv_688a230b5e982currentSlideIndex--; gdv_688a230b5e982loadImage(gdv_688a230b5e982currentSlideIndex); gdv_688a230b5e982updateSlideNumber(); } });
gdv_688a230b5e982nextSlideButton.addEventListener("click", function() { if (gdv_688a230b5e982currentSlideIndex < gdv_688a230b5e982imageUrls.length - 1) { gdv_688a230b5e982currentSlideIndex++; gdv_688a230b5e982loadImage(gdv_688a230b5e982currentSlideIndex); gdv_688a230b5e982updateSlideNumber(); } }); function gdv_688a230b5e982resizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_688a230b5e982canvasContainer"); gdv_688a230b5e982canvas.width = container.clientWidth; gdv_688a230b5e982canvas.height = container.clientHeight - 30; gdv_688a230b5e982fitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_688a230b5e982drawImage(); } window.addEventListener("load", gdv_688a230b5e982resizeCanvas); window.addEventListener("resize", gdv_688a230b5e982resizeCanvas); function gdv_688a230b5e982fitImageToCanvas() { const canvasAspect = gdv_688a230b5e982canvas.width / gdv_688a230b5e982canvas.height; const imageAspect = gdv_688a230b5e982currentImage.width / gdv_688a230b5e982currentImage.height; if (imageAspect > canvasAspect) { gdv_688a230b5e982scale = gdv_688a230b5e982canvas.width / gdv_688a230b5e982currentImage.width; } else { gdv_688a230b5e982scale = gdv_688a230b5e982canvas.height / gdv_688a230b5e982currentImage.height; } gdv_688a230b5e982originX = gdv_688a230b5e982canvas.width / 2; gdv_688a230b5e982originY = gdv_688a230b5e982canvas.height / 2; }
function gdv_688a230b5e982drawImage() { gdv_688a230b5e982ctx.clearRect(0, 0, gdv_688a230b5e982canvas.width, gdv_688a230b5e982canvas.height); gdv_688a230b5e982ctx.save(); gdv_688a230b5e982ctx.translate(gdv_688a230b5e982originX, gdv_688a230b5e982originY); gdv_688a230b5e982ctx.rotate((Math.PI / 180) * gdv_688a230b5e982rotationAngle); gdv_688a230b5e982ctx.scale(gdv_688a230b5e982scale, gdv_688a230b5e982scale);
// Appliquer la luminosité et le contraste gdv_688a230b5e982ctx.filter = `brightness(${gdv_688a230b5e982brightnessInput.value}) contrast(${gdv_688a230b5e982contrastInput.value})`; gdv_688a230b5e982ctx.drawImage(gdv_688a230b5e982currentImage, -gdv_688a230b5e982currentImage.width/2, -gdv_688a230b5e982currentImage.height/2); gdv_688a230b5e982ctx.restore(); }
// Ajouter les miniatures des images gdv_688a230b5e982imageUrls.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_688a230b5e982loadImage(index); gdv_688a230b5e982currentSlideIndex = index; gdv_688a230b5e982updateSlideNumber(); }; slide.appendChild(img); gdv_688a230b5e982thumbnailContainerWrapper.appendChild(slide); });
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 une image dans le canvas function gdv_688a230b5e982loadImage(index) { gdv_688a230b5e982currentImage.src = gdv_688a230b5e982imageUrls[index]["url"]; gdv_688a230b5e982imageName.innerHTML = filtrerChaine(gdv_688a230b5e982imageUrls[index]["name"], ""); gdv_688a230b5e982currentImage.onload = function() { gdv_688a230b5e982scale = 1; gdv_688a230b5e982originX = 0; gdv_688a230b5e982originY = 0; gdv_688a230b5e982fitImageToCanvas(); gdv_688a230b5e982drawImage(); };
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_688a230b5e982swiper = new Swiper(".gdv_688a230b5e982swiper-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_688a230b5e982swiper.on("slideChange", function () { // gdv_688a230b5e982currentSlideIndex = gdv_688a230b5e982swiper.activeIndex; // gdv_688a230b5e982updateSlideNumber(); //});
// Plein écran gdv_688a230b5e982fullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_688a230b5e982gd-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_688a230b5e982canvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_688a230b5e982scale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_688a230b5e982minScale, Math.min(gdv_688a230b5e982maxScale, newScale)); const scaleRatio = newScale / gdv_688a230b5e982scale; gdv_688a230b5e982originX = mouseX - (mouseX - gdv_688a230b5e982originX) * scaleRatio; gdv_688a230b5e982originY = mouseY - (mouseY - gdv_688a230b5e982originY) * scaleRatio; gdv_688a230b5e982scale = newScale; gdv_688a230b5e982drawImage(); }); // Gestion du déplacement (pan) let gdv_688a230b5e982isDragging = false; let gdv_688a230b5e982startX, gdv_688a230b5e982startY; gdv_688a230b5e982canvas.addEventListener("mousedown", function(event) { gdv_688a230b5e982isDragging = true; gdv_688a230b5e982startX = event.offsetX - gdv_688a230b5e982originX; gdv_688a230b5e982startY = event.offsetY - gdv_688a230b5e982originY; gdv_688a230b5e982canvas.style.cursor = "grabbing"; }); gdv_688a230b5e982canvas.addEventListener("mousemove", function(event) { if (gdv_688a230b5e982isDragging) { gdv_688a230b5e982originX = event.offsetX - gdv_688a230b5e982startX; gdv_688a230b5e982originY = event.offsetY - gdv_688a230b5e982startY; gdv_688a230b5e982drawImage(); } }); // Gestion des événements tactiles gdv_688a230b5e982canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_688a230b5e982isDragging = true; const touch = event.touches[0]; gdv_688a230b5e982startX = touch.pageX - gdv_688a230b5e982originX; gdv_688a230b5e982startY = touch.pageY - gdv_688a230b5e982originY; } }); gdv_688a230b5e982canvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_688a230b5e982originX = touch.pageX - gdv_688a230b5e982startX; gdv_688a230b5e982originY = touch.pageY - gdv_688a230b5e982startY; gdv_688a230b5e982drawImage(); }); gdv_688a230b5e982canvas.addEventListener("touchend", function() { gdv_688a230b5e982isDragging = false; }); gdv_688a230b5e982canvas.addEventListener("mouseup", function() { gdv_688a230b5e982isDragging = false; gdv_688a230b5e982canvas.style.cursor = "grab"; }); gdv_688a230b5e982canvas.addEventListener("mouseleave", function() { gdv_688a230b5e982isDragging = false; gdv_688a230b5e982canvas.style.cursor = "grab"; }); gdv_688a230b5e982zoomInButton.addEventListener("click", function() { let newScale = gdv_688a230b5e982scale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_688a230b5e982scale = Math.max(gdv_688a230b5e982minScale, Math.min(gdv_688a230b5e982maxScale, newScale)); gdv_688a230b5e982drawImage(); }); gdv_688a230b5e982zoomOutButton.addEventListener("click", function() { let newScale = gdv_688a230b5e982scale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_688a230b5e982scale = Math.max(gdv_688a230b5e982minScale, Math.min(gdv_688a230b5e982maxScale, newScale)); gdv_688a230b5e982drawImage(); }); gdv_688a230b5e982resetZoomButton.addEventListener("click", function() { gdv_688a230b5e982rotationAngle = 0; gdv_688a230b5e982fitImageToCanvas(); gdv_688a230b5e982drawImage(); }); function gdv_688a230b5e982getImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_688a230b5e982downloadImage").addEventListener("click", function() { let url = gdv_688a230b5e982currentImage.src; const imageId = gdv_688a230b5e982getImageIdFromUrl(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_688a230b5e982printImageFromApi(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_688a230b5e982printButton = document.getElementById("gdv_688a230b5e982printCanvas");
gdv_688a230b5e982printButton.addEventListener("click", function() { let url = gdv_688a230b5e982currentImage.src; const imageId = gdv_688a230b5e982getImageIdFromUrl(url); gdv_688a230b5e982printImageFromApi(imageId); });
let gdv_688a230b5e982initialDistance = 0; let gdv_688a230b5e982initialScale = 1;
gdv_688a230b5e982canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_688a230b5e982initialDistance = getDistance(event.touches[0], event.touches[1]); gdv_688a230b5e982initialScale = gdv_688a230b5e982scale; } });
gdv_688a230b5e982canvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_688a230b5e982initialDistance; let newScale = gdv_688a230b5e982initialScale * scaleChange;
newScale = Math.max(gdv_688a230b5e982minScale, Math.min(gdv_688a230b5e982maxScale, 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_688a230b5e982scale; gdv_688a230b5e982originX = centerX - (centerX - gdv_688a230b5e982originX) * scaleRatio; gdv_688a230b5e982originY = centerY - (centerY - gdv_688a230b5e982originY) * scaleRatio;
gdv_688a230b5e982scale = newScale; gdv_688a230b5e982drawImage(); // 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); }