Pull request #6057: Feature/DXCF-6016 inconsistent decimals and negative values on scales

Merge in DXCHARTS/dxchart5 from feature/DXCF-6016-inconsistent-decimals-and-negative-values-on-scales-2 to master

Squashed commit of the following:

commit f224a7e7b73a83d95396553b23de730992bba67e
Author: dxcity <[email protected]>
Date:   Fri Oct 24 12:43:51 2025 +0000

    CI: update snapshots

commit 2529766354b870f2970a5a60bdba9bd7a623bf32
Merge: 4623f80aad b2c33cbbbc
Author: Atanas Nikolov <[email protected]>
Date:   Fri Oct 24 14:15:40 2025 +0300

    Merge branch 'feature/DXCF-6016-inconsistent-decimals-and-negative-values-on-scales-2' of https://stash.in.devexperts.com/scm/dxcharts/dxchart5 into feature/DXCF-6016-inconsistent-decimals-and-negative-values-on-scales-2

commit 4623f80aadd9dcb319be3d336f1d7cf356849795
Author: Atanas Nikolov <[email protected]>
Date:   Fri Oct 24 14:14:32 2025 +0300

    [DXCF-6016] Inconsistent decimals and negative values on scales // refactor naming

commit b2c33cbbbcc0b499275d6ab0f90d182feaa17967
Author: dxcity <[email protected]>
Date:   Fri Oct 24 08:31:36 2025 +0000

    CI: update snapshots

commit b06d3a63e84dd135a7134aab93db3b618e2f53f9
Author: Atanas Nikolov <[email protected]>
Date:   Fri Oct 24 10:10:48 2025 +0300

    [DXCF-6016] Inconsistent decimals and negative values on scales // refactor formatting

commit 70f77a20f8d2c32e6989591deb3ec854f09f3ddc
Author: Atanas Nikolov <[email protected]>
Date:   Fri Oct 24 00:41:53 2025 +0300

    [DXCF-6016] Inconsistent decimals and negative values on scales // remove unused code

commit 998ba762de2641a772700db26fa8ea4ff27af670
Author: Atanas Nikolov <[email protected]>
Date:   Fri Oct 24 00:39:04 2025 +0300

    [DXCF-6016] Inconsistent decimals and negative values on scales

GitOrigin-RevId: 05f7a010db81bf1b4261fcc7f1929a6f99fea69f

Author: Atanas Nikolov

src/chart/components/chart/price-formatters/price.formatter.ts

@@ -6,7 +6,9 @@
 import { YAxisConfig } from '../../../chart.config';
 import { DataSeriesModel } from '../../../model/data-series.model';
 import { Unit, unitToPercent } from '../../../model/scaling/viewport.model';
+import { replaceMinusSign } from '../../../utils/math.utils';
 import { PriceIncrementsUtils } from '../../../utils/price-increments.utils';
+import { MINUS_SIGN } from '../../../utils/symbol-constants';
 import { YExtentComponent } from '../../pane/extent/y-extent-component';
 import { YExtentFormatters } from '../../pane/pane.component';
 import { treasuryPriceFormatter } from './treasury-price.formatter';
@@ -46,8 +48,8 @@ export const createPercentFormatter =
 			valueUnit = unitToPercent(value, series.getBaseline());
 		}
 		// always apply default precision for percent
-		const formatted = valueUnit.toFixed(PriceIncrementsUtils.DEFAULT_PRECISION).replace('-', '−') + ' %';
-		return formatted === '−0.00 %' ? '0.00 %' : formatted;
+		const formatted = replaceMinusSign(valueUnit.toFixed(PriceIncrementsUtils.DEFAULT_PRECISION)) + ' %';
+		return formatted === `${MINUS_SIGN}0.00 %` ? '0.00 %' : formatted;
 	};
 
 export const createYExtentFormatters = (extent: YExtentComponent, config: YAxisConfig): YExtentFormatters => ({

src/chart/components/labels_generator/numeric-axis-labels.generator.ts

@@ -7,7 +7,7 @@ import { Observable, Subject } from 'rxjs';
 import { Percent, Pixel, Unit, logValueToUnit, percentToUnit, calcLogValue } from '../../model/scaling/viewport.model';
 import { AnimationFrameCache } from '../../utils/performance/animation-frame-cache.utils';
 import { identity } from '../../utils/function.utils';
-import { MathUtils } from '../../utils/math.utils';
+import { replaceMinusSign, MathUtils } from '../../utils/math.utils';
 import { PriceIncrementsUtils } from '../../utils/price-increments.utils';
 import { TREASURY_32ND } from '../chart/price-formatters/treasury-price.formatter';
 import { YAxisConfig, YAxisConfigTreasuryFormat } from '../../chart.config';
@@ -68,7 +68,7 @@ export class NumericAxisLabelsGenerator implements LabelsGenerator {
 		while (value < max) {
 			// Adjust value to increment
 			const adjustedValue = MathUtils.roundToNearest(value, singleLabelHeightValue);
-			const labelText = this.valueFormatter(adjustedValue);
+			const labelText = replaceMinusSign(this.valueFormatter(adjustedValue));
 			newLabels.push({
 				value: adjustedValue,
 				text: labelText,
@@ -87,7 +87,7 @@ export class NumericAxisLabelsGenerator implements LabelsGenerator {
 			// Adjust value to increment
 			const adjustedValue = MathUtils.roundToNearest(value, singleLabelHeightValue);
 			const valueUnit = percentToUnit(adjustedValue, baseLine);
-			const labelText = this.valueFormatter(valueUnit);
+			const labelText = replaceMinusSign(this.valueFormatter(valueUnit));
 			newLabels.push({
 				value: adjustedValue,
 				text: labelText,

src/chart/components/y_axis/price_labels/price-label.drawer.ts

@@ -16,7 +16,7 @@ import { redrawBackgroundArea } from '../../../drawers/chart-background.drawer';
 import { Bounds } from '../../../model/bounds.model';
 import { avoidAntialiasing, drawLine } from '../../../utils/canvas/canvas-drawing-functions.utils';
 import { calculateSymbolHeight, calculateTextWidth } from '../../../utils/canvas/canvas-font-measure-tool.utils';
-import { floor } from '../../../utils/math.utils';
+import { floor, replaceMinusSign } from '../../../utils/math.utils';
 import { drawBadgeLabel, drawPlainLabel, drawRectLabel, checkLabelInBoundaries } from '../y-axis-labels.drawer';
 import { VisualYAxisLabel, YAxisVisualLabelType } from './y-axis-labels.model';
 
@@ -97,7 +97,7 @@ export function drawLabel(
 	const lineY = visualLabel.lineY ?? visualLabel.y;
 	const _drawLine = () =>
 		showLine && avoidAntialiasing(ctx, () => drawLine(ctx, lineXStart, lineY, lineXEnd, lineY, 1));
-	const _drawLabel = () => drawLabel(ctx, bounds, text, centralY, visualLabel, config, colors.yAxis, false);
+	const _drawLabel = () => drawLabel(ctx, bounds,  replaceMinusSign(text), centralY, visualLabel, config, colors.yAxis, false);
 
 	const drawLineLabel = () => {
 		_drawLine();

src/chart/utils/math.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 { StringTMap } from './object.utils';
+import { MINUS_SIGN, TRUE_MINUS_SIGN } from './symbol-constants';
 
 const MAX_DECIMAL_DIGITS = 14;
 // Array of powers of 10. Used in roundDecimal to walk through mantissa.
@@ -174,3 +175,7 @@ export function countDecimalPlaces(number: number): number {
 		return 0; // No decimal places
 	}
 }
+
+export const replaceMinusSign = (stringValue: string) => {
+	return stringValue.replace(TRUE_MINUS_SIGN, MINUS_SIGN);
+}

src/chart/utils/symbol-constants.ts

@@ -0,0 +1,2 @@
+export const MINUS_SIGN = '−';
+export const TRUE_MINUS_SIGN = '-';