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const gdv_699252a40f2cdcanvas = document.getElementById("gdv_699252a40f2cdimageCanvas"); const gdv_699252a40f2cdctx = gdv_699252a40f2cdcanvas.getContext("2d");
const gdv_699252a40f2cdthumbnailContainer = document.getElementById("gdv_699252a40f2cdthumbnailContainer"); const gdv_699252a40f2cdthumbnailContainerWrapper = document.getElementById("gdv_699252a40f2cdthumbnailContainerWrapper"); const gdv_699252a40f2cdzoomInButton = document.getElementById("gdv_699252a40f2cdzoomIn"); const gdv_699252a40f2cdzoomOutButton = document.getElementById("gdv_699252a40f2cdzoomOut"); const gdv_699252a40f2cdresetZoomButton = document.getElementById("gdv_699252a40f2cdresetZoom");
const gdv_699252a40f2cdbrightnessInput = document.getElementById("gdv_699252a40f2cdbrightness"); const gdv_699252a40f2cdcontrastInput = document.getElementById("gdv_699252a40f2cdcontrast"); const gdv_699252a40f2cdfullscreenButton = document.getElementById("gdv_699252a40f2cdfullscreen");
const gdv_699252a40f2cdrotateRightButton = document.getElementById("gdv_699252a40f2cdrotateRight"); const gdv_699252a40f2cdrotateLeftButton = document.getElementById("gdv_699252a40f2cdrotateLeft");
const gdv_699252a40f2cdprevSlideButton = document.getElementById("gdv_699252a40f2cdprevSlide"); const gdv_699252a40f2cdnextSlideButton = document.getElementById("gdv_699252a40f2cdnextSlide"); const gdv_699252a40f2cdslideNumberDisplay = document.getElementById("gdv_699252a40f2cdslideNumber"); const gdv_699252a40f2cdimageName = document.getElementById("gdv_699252a40f2cdimageName");
let gdv_699252a40f2cdcurrentSlideIndex = 0;
gdv_699252a40f2cdbrightnessInput.addEventListener("input", gdv_699252a40f2cddrawImage); gdv_699252a40f2cdcontrastInput.addEventListener("input", gdv_699252a40f2cddrawImage);
const gdv_699252a40f2cdimageUrls = [];
let gdv_699252a40f2cdscale = 1; let gdv_699252a40f2cdoriginX = 0; let gdv_699252a40f2cdoriginY = 0; const gdv_699252a40f2cdminScale = 0.1; const gdv_699252a40f2cdmaxScale = 5; let gdv_699252a40f2cdcurrentImage = new Image();
let gdv_699252a40f2cdrotationAngle = 0;
gdv_699252a40f2cdrotateRightButton.addEventListener("click", function() { gdv_699252a40f2cdrotationAngle = (gdv_699252a40f2cdrotationAngle + 90) % 360; gdv_699252a40f2cddrawImage(); });
gdv_699252a40f2cdrotateLeftButton.addEventListener("click", function() { gdv_699252a40f2cdrotationAngle = (gdv_699252a40f2cdrotationAngle - 90 + 360) % 360; gdv_699252a40f2cddrawImage(); });
// Charger la première image par défaut gdv_699252a40f2cdcurrentImage.src = gdv_699252a40f2cdimageUrls[0]["url"]; gdv_699252a40f2cdimageName.innerHTML = filtrerChaine(gdv_699252a40f2cdimageUrls[0]["name"], ""); gdv_699252a40f2cdcurrentImage.onload = function() {
gdv_699252a40f2cdupdateSlideNumber(); gdv_699252a40f2cdresizeCanvas(); gdv_699252a40f2cddrawImage(); document.getElementById("gdv_699252a40f2cdcontrols").style.display = "block"; };
function gdv_699252a40f2cdupdateSlideNumber() { gdv_699252a40f2cdslideNumberDisplay.textContent = `${gdv_699252a40f2cdcurrentSlideIndex + 1} / ${gdv_699252a40f2cdimageUrls.length}`; }
gdv_699252a40f2cdprevSlideButton.addEventListener("click", function() { if (gdv_699252a40f2cdcurrentSlideIndex > 0) { gdv_699252a40f2cdcurrentSlideIndex--; gdv_699252a40f2cdloadImage(gdv_699252a40f2cdcurrentSlideIndex); gdv_699252a40f2cdupdateSlideNumber(); } });
gdv_699252a40f2cdnextSlideButton.addEventListener("click", function() { if (gdv_699252a40f2cdcurrentSlideIndex < gdv_699252a40f2cdimageUrls.length - 1) { gdv_699252a40f2cdcurrentSlideIndex++; gdv_699252a40f2cdloadImage(gdv_699252a40f2cdcurrentSlideIndex); gdv_699252a40f2cdupdateSlideNumber(); } }); function gdv_699252a40f2cdresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_699252a40f2cdcanvasContainer"); gdv_699252a40f2cdcanvas.width = container.clientWidth; gdv_699252a40f2cdcanvas.height = container.clientHeight - 30; gdv_699252a40f2cdfitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_699252a40f2cddrawImage(); } window.addEventListener("load", gdv_699252a40f2cdresizeCanvas); window.addEventListener("resize", gdv_699252a40f2cdresizeCanvas); function gdv_699252a40f2cdfitImageToCanvas() { const canvasAspect = gdv_699252a40f2cdcanvas.width / gdv_699252a40f2cdcanvas.height; const imageAspect = gdv_699252a40f2cdcurrentImage.width / gdv_699252a40f2cdcurrentImage.height; if (imageAspect > canvasAspect) { gdv_699252a40f2cdscale = gdv_699252a40f2cdcanvas.width / gdv_699252a40f2cdcurrentImage.width; } else { gdv_699252a40f2cdscale = gdv_699252a40f2cdcanvas.height / gdv_699252a40f2cdcurrentImage.height; } gdv_699252a40f2cdoriginX = gdv_699252a40f2cdcanvas.width / 2; gdv_699252a40f2cdoriginY = gdv_699252a40f2cdcanvas.height / 2; }
function gdv_699252a40f2cddrawImage() { gdv_699252a40f2cdctx.clearRect(0, 0, gdv_699252a40f2cdcanvas.width, gdv_699252a40f2cdcanvas.height); gdv_699252a40f2cdctx.save(); gdv_699252a40f2cdctx.translate(gdv_699252a40f2cdoriginX, gdv_699252a40f2cdoriginY); gdv_699252a40f2cdctx.rotate((Math.PI / 180) * gdv_699252a40f2cdrotationAngle); gdv_699252a40f2cdctx.scale(gdv_699252a40f2cdscale, gdv_699252a40f2cdscale);
// Appliquer la luminosité et le contraste gdv_699252a40f2cdctx.filter = `brightness(${gdv_699252a40f2cdbrightnessInput.value}) contrast(${gdv_699252a40f2cdcontrastInput.value})`; gdv_699252a40f2cdctx.drawImage(gdv_699252a40f2cdcurrentImage, -gdv_699252a40f2cdcurrentImage.width/2, -gdv_699252a40f2cdcurrentImage.height/2); gdv_699252a40f2cdctx.restore(); }
// Ajouter les miniatures des images gdv_699252a40f2cdimageUrls.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_699252a40f2cdloadImage(index); gdv_699252a40f2cdcurrentSlideIndex = index; gdv_699252a40f2cdupdateSlideNumber(); }; slide.appendChild(img); gdv_699252a40f2cdthumbnailContainerWrapper.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_699252a40f2cdloadImage(index) { gdv_699252a40f2cdcurrentImage.src = gdv_699252a40f2cdimageUrls[index]["url"]; gdv_699252a40f2cdimageName.innerHTML = filtrerChaine(gdv_699252a40f2cdimageUrls[index]["name"], ""); gdv_699252a40f2cdcurrentImage.onload = function() { gdv_699252a40f2cdscale = 1; gdv_699252a40f2cdoriginX = 0; gdv_699252a40f2cdoriginY = 0; gdv_699252a40f2cdfitImageToCanvas(); gdv_699252a40f2cddrawImage(); };
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_699252a40f2cdswiper = new Swiper(".gdv_699252a40f2cdswiper-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_699252a40f2cdswiper.on("slideChange", function () { // gdv_699252a40f2cdcurrentSlideIndex = gdv_699252a40f2cdswiper.activeIndex; // gdv_699252a40f2cdupdateSlideNumber(); //});
// Plein écran gdv_699252a40f2cdfullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_699252a40f2cdgd-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_699252a40f2cdcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_699252a40f2cdscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_699252a40f2cdminScale, Math.min(gdv_699252a40f2cdmaxScale, newScale)); const scaleRatio = newScale / gdv_699252a40f2cdscale; gdv_699252a40f2cdoriginX = mouseX - (mouseX - gdv_699252a40f2cdoriginX) * scaleRatio; gdv_699252a40f2cdoriginY = mouseY - (mouseY - gdv_699252a40f2cdoriginY) * scaleRatio; gdv_699252a40f2cdscale = newScale; gdv_699252a40f2cddrawImage(); }); // Gestion du déplacement (pan) let gdv_699252a40f2cdisDragging = false; let gdv_699252a40f2cdstartX, gdv_699252a40f2cdstartY; gdv_699252a40f2cdcanvas.addEventListener("mousedown", function(event) { gdv_699252a40f2cdisDragging = true; gdv_699252a40f2cdstartX = event.offsetX - gdv_699252a40f2cdoriginX; gdv_699252a40f2cdstartY = event.offsetY - gdv_699252a40f2cdoriginY; gdv_699252a40f2cdcanvas.style.cursor = "grabbing"; }); gdv_699252a40f2cdcanvas.addEventListener("mousemove", function(event) { if (gdv_699252a40f2cdisDragging) { gdv_699252a40f2cdoriginX = event.offsetX - gdv_699252a40f2cdstartX; gdv_699252a40f2cdoriginY = event.offsetY - gdv_699252a40f2cdstartY; gdv_699252a40f2cddrawImage(); } }); // Gestion des événements tactiles gdv_699252a40f2cdcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_699252a40f2cdisDragging = true; const touch = event.touches[0]; gdv_699252a40f2cdstartX = touch.pageX - gdv_699252a40f2cdoriginX; gdv_699252a40f2cdstartY = touch.pageY - gdv_699252a40f2cdoriginY; } }); gdv_699252a40f2cdcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_699252a40f2cdoriginX = touch.pageX - gdv_699252a40f2cdstartX; gdv_699252a40f2cdoriginY = touch.pageY - gdv_699252a40f2cdstartY; gdv_699252a40f2cddrawImage(); }); gdv_699252a40f2cdcanvas.addEventListener("touchend", function() { gdv_699252a40f2cdisDragging = false; }); gdv_699252a40f2cdcanvas.addEventListener("mouseup", function() { gdv_699252a40f2cdisDragging = false; gdv_699252a40f2cdcanvas.style.cursor = "grab"; }); gdv_699252a40f2cdcanvas.addEventListener("mouseleave", function() { gdv_699252a40f2cdisDragging = false; gdv_699252a40f2cdcanvas.style.cursor = "grab"; }); gdv_699252a40f2cdzoomInButton.addEventListener("click", function() { let newScale = gdv_699252a40f2cdscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_699252a40f2cdscale = Math.max(gdv_699252a40f2cdminScale, Math.min(gdv_699252a40f2cdmaxScale, newScale)); gdv_699252a40f2cddrawImage(); }); gdv_699252a40f2cdzoomOutButton.addEventListener("click", function() { let newScale = gdv_699252a40f2cdscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_699252a40f2cdscale = Math.max(gdv_699252a40f2cdminScale, Math.min(gdv_699252a40f2cdmaxScale, newScale)); gdv_699252a40f2cddrawImage(); }); gdv_699252a40f2cdresetZoomButton.addEventListener("click", function() { gdv_699252a40f2cdrotationAngle = 0; gdv_699252a40f2cdfitImageToCanvas(); gdv_699252a40f2cddrawImage(); }); function gdv_699252a40f2cdgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_699252a40f2cddownloadImage").addEventListener("click", function() { let url = gdv_699252a40f2cdcurrentImage.src; const imageId = gdv_699252a40f2cdgetImageIdFromUrl(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_699252a40f2cdprintImageFromApi(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_699252a40f2cdprintButton = document.getElementById("gdv_699252a40f2cdprintCanvas");
gdv_699252a40f2cdprintButton.addEventListener("click", function() { let url = gdv_699252a40f2cdcurrentImage.src; const imageId = gdv_699252a40f2cdgetImageIdFromUrl(url); gdv_699252a40f2cdprintImageFromApi(imageId); });
let gdv_699252a40f2cdinitialDistance = 0; let gdv_699252a40f2cdinitialScale = 1;
gdv_699252a40f2cdcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_699252a40f2cdinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_699252a40f2cdinitialScale = gdv_699252a40f2cdscale; } });
gdv_699252a40f2cdcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_699252a40f2cdinitialDistance; let newScale = gdv_699252a40f2cdinitialScale * scaleChange;
newScale = Math.max(gdv_699252a40f2cdminScale, Math.min(gdv_699252a40f2cdmaxScale, 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_699252a40f2cdscale; gdv_699252a40f2cdoriginX = centerX - (centerX - gdv_699252a40f2cdoriginX) * scaleRatio; gdv_699252a40f2cdoriginY = centerY - (centerY - gdv_699252a40f2cdoriginY) * scaleRatio;
gdv_699252a40f2cdscale = newScale; gdv_699252a40f2cddrawImage(); // 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); }