Refactor GUI rendering and align RTA axis
This commit is contained in:
Mikei386
+13
-285
@@ -1,300 +1,28 @@
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// views/split_view.js — Split-View: zwei nebeneinander gerenderte Views (links/rechts)
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import * as viewGoni from './goniometer_rtw.js';
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import * as viewPhaseWheel from './phase_wheel.js';
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import * as viewPanel from './panel.js';
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import * as viewRealtime from './realtime.js';
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import * as viewClassicNeedles from './classic_needles.js';
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import * as viewPeakHistory from './peak_history.js';
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import * as viewClock from './clock.js';
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import * as viewWaveform from './waveform.js';
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import * as viewSpectrogram from './spectrogram.js';
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import { DEFAULT_TOP_INSET, FRAME_COLOR, PANEL_BG } from '../core/theme.js';
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import { DEFAULT_TOP_INSET } from '../core/theme.js';
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import {
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CHILD_VIEWS,
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computeMultiViewBaseLayout,
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drawEmptyPlot,
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drawMetersPanel,
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readMultiViewMeters,
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sanitizeChildId,
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sanitizePlotId,
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withClippedSubRect,
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} from './multi_view_shared.js';
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export const id = 'split-view';
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const CONTENT_TOP = DEFAULT_TOP_INSET;
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const CONTENT_BOTTOM = 0;
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const CHILD_VIEWS = {
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'realtime': viewRealtime,
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'classic-needles': viewClassicNeedles,
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'peak-history': viewPeakHistory,
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'goniometer-rtw': viewGoni,
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'phase-wheel': viewPhaseWheel,
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'panel': viewPanel,
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'clock': viewClock,
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'waveform': viewWaveform,
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'spectrogram': viewSpectrogram,
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};
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const ALLOWED_CHILD_VIEW_IDS = new Set(['none', ...Object.keys(CHILD_VIEWS)]);
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const ALLOWED_SPLIT_PLOT_IDS = new Set(['none', 'phase-wheel', 'realtime', 'goniometer-rtw', 'peak-history', 'classic-needles', 'panel', 'clock', 'waveform', 'spectrogram']);
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const ALLOWED_METER_IDS = new Set(['none', 'vu', 'ppm-ebu', 'ppm-din', 'tp', 'hifi-peak', 'rms', 'lufs', 'stopwatch']);
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const ALLOWED_METER_POSITIONS = new Set(['left', 'center', 'right']);
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const OUTER_GAP = 10;
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const SIDE_INNER_GAP = 8;
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const METER_GAP = 12;
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const METER_W_DEFAULT = 140;
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const METER_W_MIN = 90;
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const MIN_PLOT_W = 240;
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const METER_PAD_TOP = 15;
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const METER_PAD_BOTTOM = 5;
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const METER_SLOT_SHRINK = 24;
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const METER_EXTRA_BOTTOM_PAD = 6;
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function sanitizeChildId(val, fallback) {
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return ALLOWED_CHILD_VIEW_IDS.has(val) ? val : fallback;
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}
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function sanitizePlotId(val, fallback) {
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return ALLOWED_SPLIT_PLOT_IDS.has(val) ? val : fallback;
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}
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function sanitizeMeterId(val, fallback) {
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const id = String(val || '');
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return ALLOWED_METER_IDS.has(id) ? id : fallback;
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}
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function sanitizeMeterPos(val, fallback) {
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const id = String(val || '');
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return ALLOWED_METER_POSITIONS.has(id) ? id : fallback;
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}
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function clampMeterCount(val) {
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const n = Number(val);
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if (!Number.isFinite(n)) return 0;
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return Math.max(0, Math.min(3, n | 0));
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}
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async function withClippedSubRect(g, rect, fn) {
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g.save();
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g.translate(rect.x, rect.y);
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g.beginPath();
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g.rect(0, 0, rect.w, rect.h);
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g.clip();
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try { return await fn(); } finally { g.restore(); }
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}
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function drawSubframe(g, rect) {
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g.save();
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g.strokeStyle = FRAME_COLOR;
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g.lineWidth = 2;
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g.strokeRect(rect.x + 0.5, rect.y + 0.5, Math.max(0, rect.w - 1), Math.max(0, rect.h - 1));
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g.restore();
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}
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function createStaticLayerCanvas(width, height) {
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const w = Math.max(1, width | 0);
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const h = Math.max(1, height | 0);
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if (typeof OffscreenCanvas !== 'undefined') return new OffscreenCanvas(w, h);
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const c = document.createElement('canvas');
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c.width = w;
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c.height = h;
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return c;
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}
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function drawCachedStaticLayer(state, g, layerId, key, rect, build) {
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if (!state || !rect || rect.w <= 0 || rect.h <= 0) return;
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if (!state.staticLayers) state.staticLayers = new Map();
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const fullKey = `${layerId}:${key}:${Math.max(0, rect.w | 0)}x${Math.max(0, rect.h | 0)}`;
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let layer = state.staticLayers.get(fullKey);
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if (!layer) {
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const canvas = createStaticLayerCanvas(rect.w, rect.h);
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const ctx = canvas.getContext('2d');
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build(ctx, rect);
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layer = { canvas };
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state.staticLayers.set(fullKey, layer);
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}
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g.drawImage(layer.canvas, rect.x, rect.y);
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}
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function drawEmptyPlot(state, g, rect, label) {
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drawCachedStaticLayer(state, g, 'empty-plot', String(label || '(leer)'), rect, (lg) => {
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lg.fillStyle = PANEL_BG;
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lg.fillRect(0, 0, rect.w, rect.h);
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lg.fillStyle = '#9aa';
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lg.textAlign = 'left';
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lg.font = 'bold 14px ui-monospace, monospace';
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lg.fillText(label || '(leer)', 12, 32);
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lg.textAlign = 'start';
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});
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}
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function readSplitMeters(CONFIG) {
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const count = clampMeterCount(CONFIG?.SPLIT_VIEW_METER_COUNT);
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const slots = [
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{
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id: sanitizeMeterId(CONFIG?.SPLIT_VIEW_METER_1, 'vu'),
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pos: sanitizeMeterPos(CONFIG?.SPLIT_VIEW_METER_1_POS, 'right'),
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},
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{
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id: sanitizeMeterId(CONFIG?.SPLIT_VIEW_METER_2, 'ppm-din'),
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pos: sanitizeMeterPos(CONFIG?.SPLIT_VIEW_METER_2_POS, 'right'),
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},
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{
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id: sanitizeMeterId(CONFIG?.SPLIT_VIEW_METER_3, 'lufs'),
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pos: sanitizeMeterPos(CONFIG?.SPLIT_VIEW_METER_3_POS, 'right'),
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},
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].slice(0, count);
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return slots;
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}
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function groupMetersByPosition(slots) {
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const out = { left: [], center: [], right: [] };
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for (const s of slots || []) {
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if (!s) continue;
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if (s.pos === 'left') out.left.push(s.id);
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else if (s.pos === 'center') out.center.push(s.id);
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else out.right.push(s.id);
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}
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return out;
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return readMultiViewMeters(CONFIG, 'SPLIT_VIEW');
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}
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function computeSplitLayout(rect, slots) {
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const contentH = Math.max(0, rect.h - CONTENT_TOP - CONTENT_BOTTOM);
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const hasContent = contentH >= 140;
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const BLOCK_GAP = SIDE_INNER_GAP;
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let effectiveSlots = hasContent ? (Array.isArray(slots) ? slots.slice(0, 3) : []) : [];
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while (true) {
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const grouped = groupMetersByPosition(effectiveSlots);
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const leftCount = grouped.left.length;
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const centerCount = grouped.center.length;
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const rightCount = grouped.right.length;
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const totalSlots = leftCount + centerCount + rightCount;
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const hasLeftMeters = hasContent && leftCount > 0;
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const hasCenterMeters = hasContent && centerCount > 0;
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const hasRightMeters = hasContent && rightCount > 0;
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const interBlockGaps =
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(hasLeftMeters ? BLOCK_GAP : 0) +
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(hasRightMeters ? BLOCK_GAP : 0) +
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(hasCenterMeters ? (2 * BLOCK_GAP) : OUTER_GAP);
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const internalGaps =
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Math.max(0, leftCount - 1) * METER_GAP +
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Math.max(0, centerCount - 1) * METER_GAP +
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Math.max(0, rightCount - 1) * METER_GAP;
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const minRequired = 2 * MIN_PLOT_W + interBlockGaps + internalGaps;
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const remainingForMeters = rect.w - minRequired;
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let slotW = 0;
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if (totalSlots > 0) {
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slotW = Math.floor(remainingForMeters / totalSlots);
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slotW = Math.min(METER_W_DEFAULT, slotW);
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}
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if (totalSlots > 0 && slotW < METER_W_MIN && effectiveSlots.length) {
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effectiveSlots = effectiveSlots.slice(0, -1);
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continue;
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}
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if (totalSlots > 0) slotW = Math.max(METER_W_MIN, Math.min(METER_W_DEFAULT, slotW));
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const leftW = hasLeftMeters ? (leftCount * slotW + Math.max(0, leftCount - 1) * METER_GAP) : 0;
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const centerW = hasCenterMeters ? (centerCount * slotW + Math.max(0, centerCount - 1) * METER_GAP) : 0;
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const rightW = hasRightMeters ? (rightCount * slotW + Math.max(0, rightCount - 1) * METER_GAP) : 0;
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const metersTotalW = leftW + centerW + rightW;
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const plotAvail = Math.max(0, rect.w - interBlockGaps - metersTotalW);
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const leftPlotW = Math.floor(plotAvail / 2);
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const rightPlotW = plotAvail - leftPlotW;
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const plotFits = leftPlotW >= MIN_PLOT_W && rightPlotW >= MIN_PLOT_W;
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if (!plotFits && effectiveSlots.length) {
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effectiveSlots = effectiveSlots.slice(0, -1);
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continue;
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}
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let x = 0;
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const leftMetersRect = hasLeftMeters ? { x, y: CONTENT_TOP, w: leftW, h: contentH } : null;
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if (leftMetersRect) x += leftW + BLOCK_GAP;
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const leftPlotRect = { x, y: 0, w: leftPlotW, h: rect.h };
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x += leftPlotW;
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let centerMetersRect = null;
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if (hasCenterMeters) {
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x += BLOCK_GAP;
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centerMetersRect = { x, y: CONTENT_TOP, w: centerW, h: contentH };
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x += centerW + BLOCK_GAP;
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} else {
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x += OUTER_GAP;
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}
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const rightPlotRect = { x, y: 0, w: rightPlotW, h: rect.h };
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x += rightPlotW;
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let rightMetersRect = null;
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if (hasRightMeters) {
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x += BLOCK_GAP;
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rightMetersRect = { x, y: CONTENT_TOP, w: rightW, h: contentH };
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}
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return {
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plots: { left: leftPlotRect, right: rightPlotRect },
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meters: { left: leftMetersRect, center: centerMetersRect, right: rightMetersRect },
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meterIds: grouped,
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slotW,
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effectiveSlots,
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};
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}
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}
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async function drawMetersPanel(env, state, rect, meterIds, slotW) {
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const { ctx: g, meters, config: CONFIG } = env;
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if (!rect || rect.w <= 0 || rect.h <= 0) return;
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const ids = Array.isArray(meterIds) ? meterIds.slice(0, 3) : [];
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const count = ids.length;
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if (!count) return;
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drawCachedStaticLayer(state, g, 'meter-panel-shell', 'bg-frame', rect, (lg) => {
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lg.fillStyle = PANEL_BG;
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lg.fillRect(0, 0, rect.w, rect.h);
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drawSubframe(lg, { x: 0, y: 0, w: rect.w, h: rect.h });
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});
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const gap = METER_GAP;
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const n = Math.max(1, Math.min(3, count));
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const usedW = n * slotW + (n - 1) * gap;
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const startX = rect.x + Math.max(0, Math.floor((rect.w - usedW) / 2));
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const shrink = Math.max(0, METER_SLOT_SHRINK);
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const innerHeight = Math.max(40, rect.h - METER_PAD_TOP - METER_PAD_BOTTOM - shrink - METER_EXTRA_BOTTOM_PAD);
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const innerOffset = shrink / 2;
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const slotY = rect.y + METER_PAD_TOP + innerOffset;
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const slotH = innerHeight;
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for (let i = 0; i < n; i++) {
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const id = sanitizeMeterId(ids[i], 'none');
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const r = { x: startX + i * (slotW + gap), y: slotY, w: slotW, h: slotH };
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if (id === 'none') {
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drawCachedStaticLayer(state, g, 'meter-slot-empty', `${slotW}x${slotH}`, r, (lg) => {
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lg.strokeStyle = 'rgba(0,231,255,0.25)';
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lg.setLineDash([6, 5]);
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lg.strokeRect(0.5, 0.5, Math.max(0, r.w - 1), Math.max(0, r.h - 1));
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lg.setLineDash([]);
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lg.fillStyle = '#9aa';
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lg.textAlign = 'center';
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lg.font = '12px ui-monospace, monospace';
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lg.fillText('(leer)', r.w / 2, 22);
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lg.textAlign = 'start';
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});
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} else {
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try {
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g.save();
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g.beginPath();
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g.rect(rect.x + 1, rect.y + 1, Math.max(0, rect.w - 2), Math.max(0, rect.h - 2));
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g.clip();
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await meters.draw(g, r, id, CONFIG);
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g.restore();
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} catch (e) {
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g.restore();
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console.warn('Split meter draw error:', e);
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}
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}
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}
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return computeMultiViewBaseLayout(rect, slots, CONTENT_TOP, CONTENT_BOTTOM);
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}
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function destroyChild(child) {
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