fix: low label display

src/chart/components/high_low/high-low.drawer.ts

@@ -9,7 +9,7 @@ import { FullChartConfig } from '../../chart.config';
 import { ChartModel } from '../chart/chart.model';
 import { CanvasModel } from '../../model/canvas.model';
 import { getTextLineHeight } from '../../utils/canvas/canvas-text-functions.utils';
-import { clipToBounds } from '../../drawers/data-series.drawer';
+import { clipToBounds } from '../../utils/canvas/canvas-drawing-functions.utils';
 
 type MarkerType = 'high' | 'low';
 
@@ -60,6 +60,7 @@ export class HighLowDrawer implements Drawer {
 	private drawMarkerLabel(ctx: CanvasRenderingContext2D, candleIdx: number, yValue: number, type: MarkerType): void {
 		const y = this.getMarkerY(ctx, yValue, type === 'low');
 		const fontSize = getTextLineHeight(ctx, false);
+		// we need to measure fit into the bounds for low label by its top point
 		const yForBoundsTrack = type === 'low' ? y - fontSize : y;
 		if (!this.checkMarkerInBounds(yForBoundsTrack)) {
 			return;

src/chart/components/highlights/highlights.drawer.ts

@@ -12,7 +12,7 @@ import { CanvasBoundsContainer, CanvasElement } from '../../canvas/canvas-bounds
 import { Drawer } from '../../drawers/drawing-manager';
 import { ChartModel } from '../chart/chart.model';
 import { unitToPixels } from '../../model/scaling/viewport.model';
-import { clipToBounds } from '../../drawers/data-series.drawer';
+import { clipToBounds } from '../../utils/canvas/canvas-drawing-functions.utils';
 
 const LABEL_PADDINGS = [20, 10];
 

src/chart/components/volumes/volumes.drawer.ts

@@ -4,7 +4,7 @@
  * If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
  */
 import { BarType, FullChartConfig } from '../../chart.config';
-import { clipToBounds } from '../../drawers/data-series.drawer';
+import { clipToBounds } from '../../utils/canvas/canvas-drawing-functions.utils';
 import { PriceMovement } from '../../model/candle-series.model';
 import { CanvasModel } from '../../model/canvas.model';
 import { Pixel, ViewportModel, unitToPixels } from '../../model/scaling/viewport.model';

src/chart/components/y_axis/y-axis.drawer.ts

@@ -4,7 +4,7 @@
  * If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
  */
 import { FullChartConfig, YAxisAlign, getFontFromConfig } from '../../chart.config';
-import { clipToBounds } from '../../drawers/data-series.drawer';
+import { clipToBounds } from '../../utils/canvas/canvas-drawing-functions.utils';
 import { Drawer } from '../../drawers/drawing-manager';
 import { Bounds } from '../../model/bounds.model';
 import { CanvasModel } from '../../model/canvas.model';

src/chart/drawers/data-series-drawers/candle-series-wrapper.ts

@@ -6,7 +6,8 @@
 import { BarType, FullChartConfig } from '../../chart.config';
 import { BoundsProvider } from '../../model/bounds.model';
 import { DataSeriesModel, VisualSeriesPoint } from '../../model/data-series.model';
-import { ChartDrawerConfig, clipToBounds, SeriesDrawer } from '../data-series.drawer';
+import { ChartDrawerConfig, SeriesDrawer } from '../data-series.drawer';
+import { clipToBounds } from '../../utils/canvas/canvas-drawing-functions.utils';
 
 export const candleTypesList: BarType[] = [
 	'candle',

src/chart/drawers/data-series.drawer.ts

@@ -5,9 +5,9 @@
  */
 import { DynamicModelDrawer } from '../components/dynamic-objects/dynamic-objects.drawer';
 import { PaneManager } from '../components/pane/pane-manager.component';
-import { Bounds } from '../model/bounds.model';
 import { CanvasModel } from '../model/canvas.model';
 import { DataSeriesModel, VisualSeriesPoint } from '../model/data-series.model';
+import { clipToBounds } from '../utils/canvas/canvas-drawing-functions.utils';
 
 export interface ChartDrawerConfig {
 	singleColor?: string;
@@ -69,13 +69,6 @@ export class DataSeriesDrawer implements DynamicModelDrawer<DataSeriesModel> {
 	}
 }
 
-export const clipToBounds = (ctx: CanvasRenderingContext2D, bounds: Bounds) => {
-	ctx.beginPath();
-	ctx.rect(bounds.x, bounds.y, bounds.width, bounds.height);
-	ctx.clip();
-	ctx.closePath();
-};
-
 export const setLineWidth = (
 	ctx: CanvasRenderingContext2D,
 	lineWidth: number,

src/chart/drawers/ht-data-series.drawer.ts

@@ -6,7 +6,8 @@
 import { PaneManager } from '../components/pane/pane-manager.component';
 import { DataSeriesModel } from '../model/data-series.model';
 import { HitTestCanvasModel } from '../model/hit-test-canvas.model';
-import { ChartDrawerConfig, clipToBounds, SeriesDrawer } from './data-series.drawer';
+import { ChartDrawerConfig, SeriesDrawer } from './data-series.drawer';
+import { clipToBounds } from '../utils/canvas/canvas-drawing-functions.utils';
 import { Drawer } from './drawing-manager';
 
 /***

src/chart/utils/canvas/canvas-drawing-functions.utils.ts

@@ -4,6 +4,7 @@
  * If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
  */
 import { YAxisAlign } from '../../chart.config';
+import { Bounds } from '../../model/bounds.model';
 
 /**
  * Draws a rounded rectangle on a canvas context
@@ -171,7 +172,7 @@ export function avoidAntialiasing(ctx: CanvasRenderingContext2D, draw: () => voi
  * @param {{x: number, y: number}} a - The first point of the rectangle.
  * @param {{x: number, y: number}} b - The second point of the rectangle.
  * @returns {void}
- 
+
 */
 export function fillRect(
 	ctx: CanvasRenderingContext2D,
@@ -190,3 +191,19 @@ export function fillRect(
 	const h = Math.abs(a.y - b.y);
 	ctx.fillRect(x, y, w, h);
 }
+
+/**
+ * Sets clipping region for a Canvas 2D context according to the provided bounds.
+ *
+ * @param {CanvasRenderingContext2D} ctx - The canvas 2D context which will get the new clip region.
+ * @param {object} bounds - The bounds of the clipping region. Object containing x, y, width and height properties.
+ *
+ * @example
+ * clipToBounds(ctx, {x: 50, y: 50, width: 100, height: 100});
+ */
+export const clipToBounds = (ctx: CanvasRenderingContext2D, bounds: Bounds) => {
+	ctx.beginPath();
+	ctx.rect(bounds.x, bounds.y, bounds.width, bounds.height);
+	ctx.clip();
+	ctx.closePath();
+};

src/chart/utils/canvas/canvas-text-functions.utils.ts

@@ -22,7 +22,7 @@ export interface CanvasTextProperties {
 /**
  * Baseline Height in Project
  */
-const __BASELINE__ = 1.33;
+const BASELINE = 1.33;
 
 /**
  * Sets the font, fill style and text alignment of a canvas context based on the provided properties.
@@ -66,7 +66,7 @@ export function getTextLineHeight(ctx: CanvasRenderingContext2D, includeBaseLine
 			textSize = textSizeMatch[0];
 		}
 	}
-	return includeBaseLine ? parseInt(textSize, 10) * __BASELINE__ : parseInt(textSize, 10);
+	return includeBaseLine ? parseInt(textSize, 10) * BASELINE : parseInt(textSize, 10);
 }
 
 /**