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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_69f4202acd770canvas.addEventListener("wheel", function(event) { event.preventDefault(); const zoomFactor = 0.025; const mouseX = event.offsetX; const mouseY = event.offsetY;
let newScale = gdv_69f4202acd770scale; if (event.deltaY < 0) { newScale *= 1 + zoomFactor; } else { newScale /= 1 + zoomFactor; } newScale = Math.max(gdv_69f4202acd770minScale, Math.min(gdv_69f4202acd770maxScale, newScale)); const scaleRatio = newScale / gdv_69f4202acd770scale; gdv_69f4202acd770originX = mouseX - (mouseX - gdv_69f4202acd770originX) * scaleRatio; gdv_69f4202acd770originY = mouseY - (mouseY - gdv_69f4202acd770originY) * scaleRatio; gdv_69f4202acd770scale = newScale; gdv_69f4202acd770drawImage(); }); // Gestion du déplacement (pan) let gdv_69f4202acd770isDragging = false; let gdv_69f4202acd770startX, gdv_69f4202acd770startY; gdv_69f4202acd770canvas.addEventListener("mousedown", function(event) { gdv_69f4202acd770isDragging = true; gdv_69f4202acd770startX = event.offsetX - gdv_69f4202acd770originX; gdv_69f4202acd770startY = event.offsetY - gdv_69f4202acd770originY; gdv_69f4202acd770canvas.style.cursor = "grabbing"; }); gdv_69f4202acd770canvas.addEventListener("mousemove", function(event) { if (gdv_69f4202acd770isDragging) { gdv_69f4202acd770originX = event.offsetX - gdv_69f4202acd770startX; gdv_69f4202acd770originY = event.offsetY - gdv_69f4202acd770startY; gdv_69f4202acd770drawImage(); } }); // Gestion des événements tactiles gdv_69f4202acd770canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 1) { gdv_69f4202acd770isDragging = true; const touch = event.touches[0]; gdv_69f4202acd770startX = touch.pageX - gdv_69f4202acd770originX; gdv_69f4202acd770startY = touch.pageY - gdv_69f4202acd770originY; } }); gdv_69f4202acd770canvas.addEventListener("touchmove", function(event) { event.preventDefault(); // Empêche le comportement par défaut du navigateur const touch = event.touches[0]; gdv_69f4202acd770originX = touch.pageX - gdv_69f4202acd770startX; gdv_69f4202acd770originY = touch.pageY - gdv_69f4202acd770startY; gdv_69f4202acd770drawImage(); }); gdv_69f4202acd770canvas.addEventListener("touchend", function() { gdv_69f4202acd770isDragging = false; }); gdv_69f4202acd770canvas.addEventListener("mouseup", function() { gdv_69f4202acd770isDragging = false; gdv_69f4202acd770canvas.style.cursor = "grab"; }); gdv_69f4202acd770canvas.addEventListener("mouseleave", function() { gdv_69f4202acd770isDragging = false; gdv_69f4202acd770canvas.style.cursor = "grab"; }); gdv_69f4202acd770zoomInButton.addEventListener("click", function() { let newScale = gdv_69f4202acd770scale; const zoomFactor = 0.025; newScale *= 1 + zoomFactor; gdv_69f4202acd770scale = Math.max(gdv_69f4202acd770minScale, Math.min(gdv_69f4202acd770maxScale, newScale)); gdv_69f4202acd770drawImage(); }); gdv_69f4202acd770zoomOutButton.addEventListener("click", function() { let newScale = gdv_69f4202acd770scale; const zoomFactor = 0.025; newScale /= 1 + zoomFactor; gdv_69f4202acd770scale = Math.max(gdv_69f4202acd770minScale, Math.min(gdv_69f4202acd770maxScale, newScale)); gdv_69f4202acd770drawImage(); }); gdv_69f4202acd770resetZoomButton.addEventListener("click", function() { gdv_69f4202acd770rotationAngle = 0; gdv_69f4202acd770fitImageToCanvas(); gdv_69f4202acd770drawImage(); }); function gdv_69f4202acd770getImageIdFromUrl(url) { const urlObj = new URL(url); return urlObj.searchParams.get("id"); } document.getElementById("gdv_69f4202acd770downloadImage").addEventListener("click", function() { let url = gdv_69f4202acd770currentImage.src; const imageId = gdv_69f4202acd770getImageIdFromUrl(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 = `${imageId}.jpg`; document.body.appendChild(a); a.click(); window.URL.revokeObjectURL(url); }) .catch(error => console.error("Error downloading image:", error)); });
function gdv_69f4202acd770printImageFromApi(imageId) { const apiUrl = `${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_69f4202acd770printButton = document.getElementById("gdv_69f4202acd770printCanvas");
gdv_69f4202acd770printButton.addEventListener("click", function() { let url = gdv_69f4202acd770currentImage.src; const imageId = gdv_69f4202acd770getImageIdFromUrl(url); gdv_69f4202acd770printImageFromApi(imageId); });
let gdv_69f4202acd770initialDistance = 0; let gdv_69f4202acd770initialScale = 1;
gdv_69f4202acd770canvas.addEventListener("touchstart", function(event) { if (event.touches.length === 2) { event.preventDefault(); gdv_69f4202acd770initialDistance = getDistance(event.touches[0], event.touches[1]); gdv_69f4202acd770initialScale = gdv_69f4202acd770scale; } });
gdv_69f4202acd770canvas.addEventListener("touchmove", function(event) { if (event.touches.length === 2) { event.preventDefault(); const currentDistance = getDistance(event.touches[0], event.touches[1]); const scaleChange = currentDistance / gdv_69f4202acd770initialDistance; let newScale = gdv_69f4202acd770initialScale * scaleChange;
newScale = Math.max(gdv_69f4202acd770minScale, Math.min(gdv_69f4202acd770maxScale, 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_69f4202acd770scale; gdv_69f4202acd770originX = centerX - (centerX - gdv_69f4202acd770originX) * scaleRatio; gdv_69f4202acd770originY = centerY - (centerY - gdv_69f4202acd770originY) * scaleRatio;
gdv_69f4202acd770scale = newScale; gdv_69f4202acd770drawImage(); // 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); }