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Mondphasenexport verbessert

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Eskimue
2026-04-29 13:08:20 +02:00
parent dbbd847757
commit 06249963c6
1 changed files with 7 additions and 4 deletions
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public/monatsvorhersage.php
+7 -4
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@@ -2973,7 +2973,10 @@ function getMonthChartExportLogo() {
return monthChartExportLogoPromise; return monthChartExportLogoPromise;
} }
async function composeExportCanvas(sourceCanvas, logoPosition) { async function composeExportCanvas(sourceCanvas, logoPosition, options) {
const exportOptions = options && typeof options === 'object' ? options : {};
const showCaption = exportOptions.showCaption !== false;
const logoScale = Number.isFinite(Number(exportOptions.logoScale)) ? Number(exportOptions.logoScale) : 1;
const exportCanvas = document.createElement('canvas'); const exportCanvas = document.createElement('canvas');
exportCanvas.width = sourceCanvas.width; exportCanvas.width = sourceCanvas.width;
exportCanvas.height = sourceCanvas.height; exportCanvas.height = sourceCanvas.height;
@@ -2990,7 +2993,7 @@ async function composeExportCanvas(sourceCanvas, logoPosition) {
const logo = await getMonthChartExportLogo(); const logo = await getMonthChartExportLogo();
if (logo) { if (logo) {
const padding = Math.round(exportCanvas.width * 0.024); const padding = Math.round(exportCanvas.width * 0.024);
const targetWidth = Math.max(180, Math.min(320, Math.round(exportCanvas.width * 0.14))); const targetWidth = Math.max(90, Math.min(320, Math.round(exportCanvas.width * 0.14 * logoScale)));
const targetHeight = Math.round(targetWidth * (logo.naturalHeight / Math.max(1, logo.naturalWidth))); const targetHeight = Math.round(targetWidth * (logo.naturalHeight / Math.max(1, logo.naturalWidth)));
const drawX = padding; const drawX = padding;
const drawY = logoPosition === 'bottom-left' const drawY = logoPosition === 'bottom-left'
@@ -3000,7 +3003,7 @@ async function composeExportCanvas(sourceCanvas, logoPosition) {
} }
const caption = monthChartExportCaption(); const caption = monthChartExportCaption();
if (caption !== '') { if (showCaption && caption !== '') {
const padding = Math.round(exportCanvas.width * 0.024); const padding = Math.round(exportCanvas.width * 0.024);
const fontSize = Math.max(26, Math.round(exportCanvas.width * 0.022)); const fontSize = Math.max(26, Math.round(exportCanvas.width * 0.022));
exportCtx.save(); exportCtx.save();
@@ -3509,7 +3512,7 @@ function monthChartCometRaDec(comet, date) {
const exportWidth = MONTH_CHART_EXPORT_WIDTH; const exportWidth = MONTH_CHART_EXPORT_WIDTH;
const exportHeight = Math.round(exportWidth * (220 / 1200)); const exportHeight = Math.round(exportWidth * (220 / 1200));
renderPhaseCanvas(exportWidth, exportHeight, 1, false); renderPhaseCanvas(exportWidth, exportHeight, 1, false);
composeExportCanvas(canvas, 'bottom-left').then(function (exportCanvas) { composeExportCanvas(canvas, 'bottom-left', { showCaption: false, logoScale: 0.6 }).then(function (exportCanvas) {
triggerCanvasDownload(exportCanvas || canvas, monthPhaseExportFilename()); triggerCanvasDownload(exportCanvas || canvas, monthPhaseExportFilename());
}); });
} finally { } finally {