Change default rect color to black

When a rectangle's specified color was black (0x000000) it was
considered as a falsy value so the default white (0xffffff) was used
instead.

This changes the default color to black (0x000000) so that both falsy
and specified black colors will we drawn in black.

Signed-off-by: Patrick Tasse <patrick.tasse@gmail.com>

Author: PatrickTasse

timeline-chart/src/components/time-graph-component.ts

@@ -90,7 +90,7 @@ export abstract class TimeGraphComponent<T> {
     protected rect(opts: TimeGraphStyledRect) {
         const { position, width, height, color, opacity, borderColor, borderWidth } = opts;
         this.displayObject.lineStyle(borderWidth || 0, borderColor || 0x000000);
-        this.displayObject.beginFill((color || 0xffffff), this.getPIXIOpacity(opacity));
+        this.displayObject.beginFill((color || 0x000000), this.getPIXIOpacity(opacity));
         this.displayObject.drawRect(position.x, position.y, width, height);
         this.displayObject.endFill();
         this.startPixiRender();
@@ -99,7 +99,7 @@ export abstract class TimeGraphComponent<T> {
     protected rectTruncated(opts: TimeGraphStyledRect) {
         const { position, width, height, color, opacity, borderColor, borderWidth } = opts;
         this.displayObject.lineStyle(borderWidth || 0, borderColor || 0x000000);
-        this.displayObject.beginFill((color || 0xffffff), this.getPIXIOpacity(opacity));
+        this.displayObject.beginFill((color || 0x000000), this.getPIXIOpacity(opacity));
         if (width > 20) {
             const xpos = position.x + 0.5;
             const ypos = position.y + 0.5;
@@ -117,7 +117,7 @@ export abstract class TimeGraphComponent<T> {
     protected roundedRect(opts: TimeGraphStyledRect) {
         const { position, width, height, color, opacity, borderColor, borderWidth, borderRadius } = opts;
         this.displayObject.lineStyle(borderWidth || 0, borderColor || 0x000000);
-        this.displayObject.beginFill((color || 0xffffff), this.getPIXIOpacity(opacity));
+        this.displayObject.beginFill((color || 0x000000), this.getPIXIOpacity(opacity));
 
         this.displayObject.drawRoundedRect(position.x + 0.5, position.y + 0.5, width, height, borderRadius || 0);