1 / X
const gdv_69a8f08d9c2dfcanvas = document.getElementById("gdv_69a8f08d9c2dfimageCanvas"); const gdv_69a8f08d9c2dfctx = gdv_69a8f08d9c2dfcanvas.getContext("2d");
const gdv_69a8f08d9c2dfthumbnailContainer = document.getElementById("gdv_69a8f08d9c2dfthumbnailContainer"); const gdv_69a8f08d9c2dfthumbnailContainerWrapper = document.getElementById("gdv_69a8f08d9c2dfthumbnailContainerWrapper"); const gdv_69a8f08d9c2dfzoomInButton = document.getElementById("gdv_69a8f08d9c2dfzoomIn"); const gdv_69a8f08d9c2dfzoomOutButton = document.getElementById("gdv_69a8f08d9c2dfzoomOut"); const gdv_69a8f08d9c2dfresetZoomButton = document.getElementById("gdv_69a8f08d9c2dfresetZoom");
const gdv_69a8f08d9c2dfbrightnessInput = document.getElementById("gdv_69a8f08d9c2dfbrightness"); const gdv_69a8f08d9c2dfcontrastInput = document.getElementById("gdv_69a8f08d9c2dfcontrast"); const gdv_69a8f08d9c2dffullscreenButton = document.getElementById("gdv_69a8f08d9c2dffullscreen");
const gdv_69a8f08d9c2dfrotateRightButton = document.getElementById("gdv_69a8f08d9c2dfrotateRight"); const gdv_69a8f08d9c2dfrotateLeftButton = document.getElementById("gdv_69a8f08d9c2dfrotateLeft");
const gdv_69a8f08d9c2dfprevSlideButton = document.getElementById("gdv_69a8f08d9c2dfprevSlide"); const gdv_69a8f08d9c2dfnextSlideButton = document.getElementById("gdv_69a8f08d9c2dfnextSlide"); const gdv_69a8f08d9c2dfslideNumberDisplay = document.getElementById("gdv_69a8f08d9c2dfslideNumber"); const gdv_69a8f08d9c2dfimageName = document.getElementById("gdv_69a8f08d9c2dfimageName");
let gdv_69a8f08d9c2dfcurrentSlideIndex = 0;
gdv_69a8f08d9c2dfbrightnessInput.addEventListener("input", gdv_69a8f08d9c2dfdrawImage); gdv_69a8f08d9c2dfcontrastInput.addEventListener("input", gdv_69a8f08d9c2dfdrawImage);
const gdv_69a8f08d9c2dfimageUrls = [{"url":"https:\/\/drive.google.com\/thumbnail?id=1P5x0OSJUNeZOnmcNmtqhKDj_5w2weNgG&sz=w3000","name":"EPOL_Ordre d'arrestation de plusieurs citoyens.jpg"}];
let gdv_69a8f08d9c2dfscale = 1; let gdv_69a8f08d9c2dforiginX = 0; let gdv_69a8f08d9c2dforiginY = 0; const gdv_69a8f08d9c2dfminScale = 0.1; const gdv_69a8f08d9c2dfmaxScale = 5; let gdv_69a8f08d9c2dfcurrentImage = new Image();
let gdv_69a8f08d9c2dfrotationAngle = 0;
gdv_69a8f08d9c2dfrotateRightButton.addEventListener("click", function() { gdv_69a8f08d9c2dfrotationAngle = (gdv_69a8f08d9c2dfrotationAngle + 90) % 360; gdv_69a8f08d9c2dfdrawImage(); });
gdv_69a8f08d9c2dfrotateLeftButton.addEventListener("click", function() { gdv_69a8f08d9c2dfrotationAngle = (gdv_69a8f08d9c2dfrotationAngle - 90 + 360) % 360; gdv_69a8f08d9c2dfdrawImage(); });
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_69a8f08d9c2dfcurrentImage.src = gdv_69a8f08d9c2dfimageUrls[0]["url"]; gdv_69a8f08d9c2dfimageName.innerHTML = filtrerChaine(gdv_69a8f08d9c2dfimageUrls[0]["name"], "rien"); gdv_69a8f08d9c2dfcurrentImage.onload = function() {
gdv_69a8f08d9c2dfupdateSlideNumber(); gdv_69a8f08d9c2dfresizeCanvas(); gdv_69a8f08d9c2dfdrawImage(); document.getElementById("gdv_69a8f08d9c2dfcontrols").style.display = "block"; };
function gdv_69a8f08d9c2dfupdateSlideNumber() { gdv_69a8f08d9c2dfslideNumberDisplay.textContent = `${gdv_69a8f08d9c2dfcurrentSlideIndex + 1} / ${gdv_69a8f08d9c2dfimageUrls.length}`; }
gdv_69a8f08d9c2dfprevSlideButton.addEventListener("click", function() { if (gdv_69a8f08d9c2dfcurrentSlideIndex > 0) { gdv_69a8f08d9c2dfcurrentSlideIndex--; gdv_69a8f08d9c2dfloadImage(gdv_69a8f08d9c2dfcurrentSlideIndex); gdv_69a8f08d9c2dfupdateSlideNumber(); } });
gdv_69a8f08d9c2dfnextSlideButton.addEventListener("click", function() { if (gdv_69a8f08d9c2dfcurrentSlideIndex < gdv_69a8f08d9c2dfimageUrls.length - 1) { gdv_69a8f08d9c2dfcurrentSlideIndex++; gdv_69a8f08d9c2dfloadImage(gdv_69a8f08d9c2dfcurrentSlideIndex); gdv_69a8f08d9c2dfupdateSlideNumber(); } }); function gdv_69a8f08d9c2dfresizeCanvas() { // Ajuster la taille du canvas pour correspondre à celle du conteneur const container = document.getElementById("gdv_69a8f08d9c2dfcanvasContainer"); gdv_69a8f08d9c2dfcanvas.width = container.clientWidth; gdv_69a8f08d9c2dfcanvas.height = container.clientHeight - 30; gdv_69a8f08d9c2dffitImageToCanvas(); // Redessiner le contenu du canvas ici gdv_69a8f08d9c2dfdrawImage(); } window.addEventListener("load", gdv_69a8f08d9c2dfresizeCanvas); window.addEventListener("resize", gdv_69a8f08d9c2dfresizeCanvas); function gdv_69a8f08d9c2dffitImageToCanvas() { const canvasAspect = gdv_69a8f08d9c2dfcanvas.width / gdv_69a8f08d9c2dfcanvas.height; const imageAspect = gdv_69a8f08d9c2dfcurrentImage.width / gdv_69a8f08d9c2dfcurrentImage.height; if (imageAspect > canvasAspect) { gdv_69a8f08d9c2dfscale = gdv_69a8f08d9c2dfcanvas.width / gdv_69a8f08d9c2dfcurrentImage.width; } else { gdv_69a8f08d9c2dfscale = gdv_69a8f08d9c2dfcanvas.height / gdv_69a8f08d9c2dfcurrentImage.height; } gdv_69a8f08d9c2dforiginX = gdv_69a8f08d9c2dfcanvas.width / 2; gdv_69a8f08d9c2dforiginY = gdv_69a8f08d9c2dfcanvas.height / 2; }
function gdv_69a8f08d9c2dfdrawImage() { gdv_69a8f08d9c2dfctx.clearRect(0, 0, gdv_69a8f08d9c2dfcanvas.width, gdv_69a8f08d9c2dfcanvas.height); gdv_69a8f08d9c2dfctx.save(); gdv_69a8f08d9c2dfctx.translate(gdv_69a8f08d9c2dforiginX, gdv_69a8f08d9c2dforiginY); gdv_69a8f08d9c2dfctx.rotate((Math.PI / 180) * gdv_69a8f08d9c2dfrotationAngle); gdv_69a8f08d9c2dfctx.scale(gdv_69a8f08d9c2dfscale, gdv_69a8f08d9c2dfscale);
// Appliquer la luminosité et le contraste gdv_69a8f08d9c2dfctx.filter = `brightness(${gdv_69a8f08d9c2dfbrightnessInput.value}) contrast(${gdv_69a8f08d9c2dfcontrastInput.value})`; gdv_69a8f08d9c2dfctx.drawImage(gdv_69a8f08d9c2dfcurrentImage, -gdv_69a8f08d9c2dfcurrentImage.width/2, -gdv_69a8f08d9c2dfcurrentImage.height/2); gdv_69a8f08d9c2dfctx.restore(); }
// Ajouter les miniatures des images gdv_69a8f08d9c2dfimageUrls.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_69a8f08d9c2dfloadImage(index); gdv_69a8f08d9c2dfcurrentSlideIndex = index; gdv_69a8f08d9c2dfupdateSlideNumber(); }; slide.appendChild(img); gdv_69a8f08d9c2dfthumbnailContainerWrapper.appendChild(slide); });
// Charger une image dans le canvas function gdv_69a8f08d9c2dfloadImage(index) { gdv_69a8f08d9c2dfcurrentImage.src = gdv_69a8f08d9c2dfimageUrls[index]["url"]; gdv_69a8f08d9c2dfimageName.innerHTML = filtrerChaine(gdv_69a8f08d9c2dfimageUrls[index]["name"], "rien"); gdv_69a8f08d9c2dfcurrentImage.onload = function() { gdv_69a8f08d9c2dfscale = 1; gdv_69a8f08d9c2dforiginX = 0; gdv_69a8f08d9c2dforiginY = 0; gdv_69a8f08d9c2dffitImageToCanvas(); gdv_69a8f08d9c2dfdrawImage(); };
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_69a8f08d9c2dfswiper = new Swiper(".gdv_69a8f08d9c2dfswiper-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_69a8f08d9c2dfswiper.on("slideChange", function () { // gdv_69a8f08d9c2dfcurrentSlideIndex = gdv_69a8f08d9c2dfswiper.activeIndex; // gdv_69a8f08d9c2dfupdateSlideNumber(); //});
// Plein écran gdv_69a8f08d9c2dffullscreenButton.addEventListener("click", function() { if (!document.fullscreenElement) { document.getElementById("gdv_69a8f08d9c2dfgd-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_69a8f08d9c2dfcanvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69a8f08d9c2dfscale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69a8f08d9c2dfminScale, Math.min(gdv_69a8f08d9c2dfmaxScale, newScale)); const scaleRatio = newScale / gdv_69a8f08d9c2dfscale; gdv_69a8f08d9c2dforiginX = mouseX - (mouseX - gdv_69a8f08d9c2dforiginX) * scaleRatio; gdv_69a8f08d9c2dforiginY = mouseY - (mouseY - gdv_69a8f08d9c2dforiginY) * scaleRatio; gdv_69a8f08d9c2dfscale = newScale; gdv_69a8f08d9c2dfdrawImage(); }); // Gestion du déplacement (pan) let gdv_69a8f08d9c2dfisDragging = false; let gdv_69a8f08d9c2dfstartX, gdv_69a8f08d9c2dfstartY; gdv_69a8f08d9c2dfcanvas.addEventListener("mousedown", function(event) { gdv_69a8f08d9c2dfisDragging = true; gdv_69a8f08d9c2dfstartX = event.offsetX - gdv_69a8f08d9c2dforiginX; gdv_69a8f08d9c2dfstartY = event.offsetY - gdv_69a8f08d9c2dforiginY; gdv_69a8f08d9c2dfcanvas.style.cursor = "grabbing"; }); gdv_69a8f08d9c2dfcanvas.addEventListener("mousemove", function(event) { if (gdv_69a8f08d9c2dfisDragging) { gdv_69a8f08d9c2dforiginX = event.offsetX - gdv_69a8f08d9c2dfstartX; gdv_69a8f08d9c2dforiginY = event.offsetY - gdv_69a8f08d9c2dfstartY; gdv_69a8f08d9c2dfdrawImage(); } }); // Gestion des événements tactiles gdv_69a8f08d9c2dfcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69a8f08d9c2dfisDragging = true; const touch = event.touches[0]; gdv_69a8f08d9c2dfstartX = touch.pageX - gdv_69a8f08d9c2dforiginX; gdv_69a8f08d9c2dfstartY = touch.pageY - gdv_69a8f08d9c2dforiginY; } }); gdv_69a8f08d9c2dfcanvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69a8f08d9c2dforiginX = touch.pageX - gdv_69a8f08d9c2dfstartX; gdv_69a8f08d9c2dforiginY = touch.pageY - gdv_69a8f08d9c2dfstartY; gdv_69a8f08d9c2dfdrawImage(); }); gdv_69a8f08d9c2dfcanvas.addEventListener("touchend", function() { gdv_69a8f08d9c2dfisDragging = false; }); gdv_69a8f08d9c2dfcanvas.addEventListener("mouseup", function() { gdv_69a8f08d9c2dfisDragging = false; gdv_69a8f08d9c2dfcanvas.style.cursor = "grab"; }); gdv_69a8f08d9c2dfcanvas.addEventListener("mouseleave", function() { gdv_69a8f08d9c2dfisDragging = false; gdv_69a8f08d9c2dfcanvas.style.cursor = "grab"; }); gdv_69a8f08d9c2dfzoomInButton.addEventListener("click", function() { let newScale = gdv_69a8f08d9c2dfscale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69a8f08d9c2dfscale = Math.max(gdv_69a8f08d9c2dfminScale, Math.min(gdv_69a8f08d9c2dfmaxScale, newScale)); gdv_69a8f08d9c2dfdrawImage(); }); gdv_69a8f08d9c2dfzoomOutButton.addEventListener("click", function() { let newScale = gdv_69a8f08d9c2dfscale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69a8f08d9c2dfscale = Math.max(gdv_69a8f08d9c2dfminScale, Math.min(gdv_69a8f08d9c2dfmaxScale, newScale)); gdv_69a8f08d9c2dfdrawImage(); }); gdv_69a8f08d9c2dfresetZoomButton.addEventListener("click", function() { gdv_69a8f08d9c2dfrotationAngle = 0; gdv_69a8f08d9c2dffitImageToCanvas(); gdv_69a8f08d9c2dfdrawImage(); }); function gdv_69a8f08d9c2dfgetImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69a8f08d9c2dfdownloadImage").addEventListener("click", function() { let url = gdv_69a8f08d9c2dfcurrentImage.src; const imageId = gdv_69a8f08d9c2dfgetImageIdFromUrl(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_69a8f08d9c2dfprintImageFromApi(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_69a8f08d9c2dfprintButton = document.getElementById("gdv_69a8f08d9c2dfprintCanvas");
gdv_69a8f08d9c2dfprintButton.addEventListener("click", function() { let url = gdv_69a8f08d9c2dfcurrentImage.src; const imageId = gdv_69a8f08d9c2dfgetImageIdFromUrl(url); gdv_69a8f08d9c2dfprintImageFromApi(imageId); });
let gdv_69a8f08d9c2dfinitialDistance = 0; let gdv_69a8f08d9c2dfinitialScale = 1;
gdv_69a8f08d9c2dfcanvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69a8f08d9c2dfinitialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69a8f08d9c2dfinitialScale = gdv_69a8f08d9c2dfscale; } });
gdv_69a8f08d9c2dfcanvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69a8f08d9c2dfinitialDistance; let newScale = gdv_69a8f08d9c2dfinitialScale * scaleChange;
newScale = Math.max(gdv_69a8f08d9c2dfminScale, Math.min(gdv_69a8f08d9c2dfmaxScale, 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_69a8f08d9c2dfscale; gdv_69a8f08d9c2dforiginX = centerX - (centerX - gdv_69a8f08d9c2dforiginX) * scaleRatio; gdv_69a8f08d9c2dforiginY = centerY - (centerY - gdv_69a8f08d9c2dforiginY) * scaleRatio;
gdv_69a8f08d9c2dfscale = newScale; gdv_69a8f08d9c2dfdrawImage(); // 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); }