1 / X
const gdv_697052614e26dcanvas = document.getElementById("gdv_697052614e26dimageCanvas"); const gdv_697052614e26dctx = gdv_697052614e26dcanvas.getContext("2d");
const gdv_697052614e26dthumbnailContainer = document.getElementById("gdv_697052614e26dthumbnailContainer"); const gdv_697052614e26dthumbnailContainerWrapper = document.getElementById("gdv_697052614e26dthumbnailContainerWrapper"); const gdv_697052614e26dzoomInButton = document.getElementById("gdv_697052614e26dzoomIn"); const gdv_697052614e26dzoomOutButton = document.getElementById("gdv_697052614e26dzoomOut"); const gdv_697052614e26dresetZoomButton = document.getElementById("gdv_697052614e26dresetZoom");
const gdv_697052614e26dbrightnessInput = document.getElementById("gdv_697052614e26dbrightness"); const gdv_697052614e26dcontrastInput = document.getElementById("gdv_697052614e26dcontrast"); const gdv_697052614e26dfullscreenButton = document.getElementById("gdv_697052614e26dfullscreen");
const gdv_697052614e26drotateRightButton = document.getElementById("gdv_697052614e26drotateRight"); const gdv_697052614e26drotateLeftButton = document.getElementById("gdv_697052614e26drotateLeft");
const gdv_697052614e26dprevSlideButton = document.getElementById("gdv_697052614e26dprevSlide"); const gdv_697052614e26dnextSlideButton = document.getElementById("gdv_697052614e26dnextSlide"); const gdv_697052614e26dslideNumberDisplay = document.getElementById("gdv_697052614e26dslideNumber"); const gdv_697052614e26dimageName = document.getElementById("gdv_697052614e26dimageName");
let gdv_697052614e26dcurrentSlideIndex = 0;
gdv_697052614e26dbrightnessInput.addEventListener("input", gdv_697052614e26ddrawImage); gdv_697052614e26dcontrastInput.addEventListener("input", gdv_697052614e26ddrawImage);
const gdv_697052614e26dimageUrls = [];
let gdv_697052614e26dscale = 1; let gdv_697052614e26doriginX = 0; let gdv_697052614e26doriginY = 0; const gdv_697052614e26dminScale = 0.1; const gdv_697052614e26dmaxScale = 5; let gdv_697052614e26dcurrentImage = new Image();
let gdv_697052614e26drotationAngle = 0;
gdv_697052614e26drotateRightButton.addEventListener("click", function() { gdv_697052614e26drotationAngle = (gdv_697052614e26drotationAngle + 90) % 360; gdv_697052614e26ddrawImage(); });
gdv_697052614e26drotateLeftButton.addEventListener("click", function() { gdv_697052614e26drotationAngle = (gdv_697052614e26drotationAngle - 90 + 360) % 360; gdv_697052614e26ddrawImage(); });
// Charger la première image par défaut gdv_697052614e26dcurrentImage.src = gdv_697052614e26dimageUrls[0]["url"]; gdv_697052614e26dimageName.innerHTML = filtrerChaine(gdv_697052614e26dimageUrls[0]["name"], ""); gdv_697052614e26dcurrentImage.onload = function() {
gdv_697052614e26dupdateSlideNumber(); gdv_697052614e26dresizeCanvas(); gdv_697052614e26ddrawImage(); document.getElementById("gdv_697052614e26dcontrols").style.display = "block"; };
function gdv_697052614e26dupdateSlideNumber() { gdv_697052614e26dslideNumberDisplay.textContent = `${gdv_697052614e26dcurrentSlideIndex + 1} / ${gdv_697052614e26dimageUrls.length}`; }
gdv_697052614e26dprevSlideButton.addEventListener("click", function() { if (gdv_697052614e26dcurrentSlideIndex > 0) { gdv_697052614e26dcurrentSlideIndex--; gdv_697052614e26dloadImage(gdv_697052614e26dcurrentSlideIndex); gdv_697052614e26dupdateSlideNumber(); } });
gdv_697052614e26dnextSlideButton.addEventListener("click", function() { if (gdv_697052614e26dcurrentSlideIndex < gdv_697052614e26dimageUrls.length - 1) { gdv_697052614e26dcurrentSlideIndex++; gdv_697052614e26dloadImage(gdv_697052614e26dcurrentSlideIndex); gdv_697052614e26dupdateSlideNumber(); } }); function gdv_697052614e26dresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_697052614e26dcanvasContainer"); gdv_697052614e26dcanvas.width = container.clientWidth; gdv_697052614e26dcanvas.height = container.clientHeight - 30; gdv_697052614e26dfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_697052614e26ddrawImage(); } window.addEventListener("load", gdv_697052614e26dresizeCanvas); window.addEventListener("resize", gdv_697052614e26dresizeCanvas); function gdv_697052614e26dfitImageToCanvas() { const canvasAspect = gdv_697052614e26dcanvas.width / gdv_697052614e26dcanvas.height; const imageAspect = gdv_697052614e26dcurrentImage.width / gdv_697052614e26dcurrentImage.height; if (imageAspect > canvasAspect) { gdv_697052614e26dscale = gdv_697052614e26dcanvas.width / gdv_697052614e26dcurrentImage.width; } else { gdv_697052614e26dscale = gdv_697052614e26dcanvas.height / gdv_697052614e26dcurrentImage.height; } gdv_697052614e26doriginX = gdv_697052614e26dcanvas.width / 2; gdv_697052614e26doriginY = gdv_697052614e26dcanvas.height / 2; }
function gdv_697052614e26ddrawImage() { gdv_697052614e26dctx.clearRect(0, 0, gdv_697052614e26dcanvas.width, gdv_697052614e26dcanvas.height); gdv_697052614e26dctx.save(); gdv_697052614e26dctx.translate(gdv_697052614e26doriginX, gdv_697052614e26doriginY); gdv_697052614e26dctx.rotate((Math.PI / 180) * gdv_697052614e26drotationAngle); gdv_697052614e26dctx.scale(gdv_697052614e26dscale, gdv_697052614e26dscale);
// Appliquer la luminosité et le contraste gdv_697052614e26dctx.filter = `brightness(${gdv_697052614e26dbrightnessInput.value}) contrast(${gdv_697052614e26dcontrastInput.value})`; gdv_697052614e26dctx.drawImage(gdv_697052614e26dcurrentImage, -gdv_697052614e26dcurrentImage.width/2, -gdv_697052614e26dcurrentImage.height/2); gdv_697052614e26dctx.restore(); }
// Ajouter les miniatures des images gdv_697052614e26dimageUrls.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_697052614e26dloadImage(index); gdv_697052614e26dcurrentSlideIndex = index; gdv_697052614e26dupdateSlideNumber(); }; slide.appendChild(img); gdv_697052614e26dthumbnailContainerWrapper.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_697052614e26dloadImage(index) { gdv_697052614e26dcurrentImage.src = gdv_697052614e26dimageUrls[index]["url"]; gdv_697052614e26dimageName.innerHTML = filtrerChaine(gdv_697052614e26dimageUrls[index]["name"], ""); gdv_697052614e26dcurrentImage.onload = function() { gdv_697052614e26dscale = 1; gdv_697052614e26doriginX = 0; gdv_697052614e26doriginY = 0; gdv_697052614e26dfitImageToCanvas(); gdv_697052614e26ddrawImage(); };
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_697052614e26dswiper = new Swiper(".gdv_697052614e26dswiper-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_697052614e26dswiper.on("slideChange", function () { // gdv_697052614e26dcurrentSlideIndex = gdv_697052614e26dswiper.activeIndex; // gdv_697052614e26dupdateSlideNumber(); //});
// Plein écran gdv_697052614e26dfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_697052614e26dgd-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_697052614e26dcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_697052614e26dscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_697052614e26dminScale, Math.min(gdv_697052614e26dmaxScale, newScale)); const scaleRatio = newScale / gdv_697052614e26dscale; gdv_697052614e26doriginX = mouseX - (mouseX - gdv_697052614e26doriginX) * scaleRatio; gdv_697052614e26doriginY = mouseY - (mouseY - gdv_697052614e26doriginY) * scaleRatio; gdv_697052614e26dscale = newScale; gdv_697052614e26ddrawImage(); }); // Gestion du déplacement (pan) let gdv_697052614e26disDragging = false; let gdv_697052614e26dstartX, gdv_697052614e26dstartY; gdv_697052614e26dcanvas.addEventListener("mousedown", function(event) { gdv_697052614e26disDragging = true; gdv_697052614e26dstartX = event.offsetX - gdv_697052614e26doriginX; gdv_697052614e26dstartY = event.offsetY - gdv_697052614e26doriginY; gdv_697052614e26dcanvas.style.cursor = "grabbing"; }); gdv_697052614e26dcanvas.addEventListener("mousemove", function(event) { if (gdv_697052614e26disDragging) { gdv_697052614e26doriginX = event.offsetX - gdv_697052614e26dstartX; gdv_697052614e26doriginY = event.offsetY - gdv_697052614e26dstartY; gdv_697052614e26ddrawImage(); } }); // Gestion des événements tactiles gdv_697052614e26dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_697052614e26disDragging = true; const touch = event.touches[0]; gdv_697052614e26dstartX = touch.pageX - gdv_697052614e26doriginX; gdv_697052614e26dstartY = touch.pageY - gdv_697052614e26doriginY; } }); gdv_697052614e26dcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_697052614e26doriginX = touch.pageX - gdv_697052614e26dstartX; gdv_697052614e26doriginY = touch.pageY - gdv_697052614e26dstartY; gdv_697052614e26ddrawImage(); }); gdv_697052614e26dcanvas.addEventListener("touchend", function() { gdv_697052614e26disDragging = false; }); gdv_697052614e26dcanvas.addEventListener("mouseup", function() { gdv_697052614e26disDragging = false; gdv_697052614e26dcanvas.style.cursor = "grab"; }); gdv_697052614e26dcanvas.addEventListener("mouseleave", function() { gdv_697052614e26disDragging = false; gdv_697052614e26dcanvas.style.cursor = "grab"; }); gdv_697052614e26dzoomInButton.addEventListener("click", function() { let newScale = gdv_697052614e26dscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_697052614e26dscale = Math.max(gdv_697052614e26dminScale, Math.min(gdv_697052614e26dmaxScale, newScale)); gdv_697052614e26ddrawImage(); }); gdv_697052614e26dzoomOutButton.addEventListener("click", function() { let newScale = gdv_697052614e26dscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_697052614e26dscale = Math.max(gdv_697052614e26dminScale, Math.min(gdv_697052614e26dmaxScale, newScale)); gdv_697052614e26ddrawImage(); }); gdv_697052614e26dresetZoomButton.addEventListener("click", function() { gdv_697052614e26drotationAngle = 0; gdv_697052614e26dfitImageToCanvas(); gdv_697052614e26ddrawImage(); }); function gdv_697052614e26dgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_697052614e26ddownloadImage").addEventListener("click", function() { let url = gdv_697052614e26dcurrentImage.src; const imageId = gdv_697052614e26dgetImageIdFromUrl(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_697052614e26dprintImageFromApi(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_697052614e26dprintButton = document.getElementById("gdv_697052614e26dprintCanvas");
gdv_697052614e26dprintButton.addEventListener("click", function() { let url = gdv_697052614e26dcurrentImage.src; const imageId = gdv_697052614e26dgetImageIdFromUrl(url); gdv_697052614e26dprintImageFromApi(imageId); });
let gdv_697052614e26dinitialDistance = 0; let gdv_697052614e26dinitialScale = 1;
gdv_697052614e26dcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_697052614e26dinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_697052614e26dinitialScale = gdv_697052614e26dscale; } });
gdv_697052614e26dcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_697052614e26dinitialDistance; let newScale = gdv_697052614e26dinitialScale * scaleChange;
newScale = Math.max(gdv_697052614e26dminScale, Math.min(gdv_697052614e26dmaxScale, 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_697052614e26dscale; gdv_697052614e26doriginX = centerX - (centerX - gdv_697052614e26doriginX) * scaleRatio; gdv_697052614e26doriginY = centerY - (centerY - gdv_697052614e26doriginY) * scaleRatio;
gdv_697052614e26dscale = newScale; gdv_697052614e26ddrawImage(); // 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); }