public draw(target: CanvasRenderingTarget2D): void {
const data = this.rectangle.getRenderData();
if (!data) {
return;
}
const { colors } = getThemeStore();
target.useBitmapCoordinateSpace(({ context, horizontalPixelRatio, verticalPixelRatio }) => {
const left = data.left * horizontalPixelRatio;
const right = data.right * horizontalPixelRatio;
const top = data.top * verticalPixelRatio;
const bottom = data.bottom * verticalPixelRatio;
context.save();
if (data.showFill) {
context.fillStyle = data.fillColor;
context.fillRect(left, top, right - left, bottom - top);
}
context.lineWidth = UI.borderWidth * Math.max(horizontalPixelRatio, verticalPixelRatio);
context.strokeStyle = data.borderColor;
context.strokeRect(left, top, right - left, bottom - top);
if (data.showHandles) {
for (const handle of Object.values(data.handles)) {
drawHandle(
context,
handle.x * horizontalPixelRatio,
handle.y * verticalPixelRatio,
horizontalPixelRatio,
verticalPixelRatio,
data.borderColor,
colors.chartBackground,
);
}
}
context.restore();
});
}
function drawHandle(
context: CanvasRenderingContext2D,
x: number,
y: number,
horizontalPixelRatio: number,
verticalPixelRatio: number,
strokeColor: string,
fillColor: string,
): void {
const width = UI.handleSize * horizontalPixelRatio;
const height = UI.handleSize * verticalPixelRatio;
const left = x - width / 2;
const top = y - height / 2;
context.save();
context.fillStyle = fillColor;
context.strokeStyle = strokeColor;
context.lineWidth = UI.handleBorderWidth * Math.max(horizontalPixelRatio, verticalPixelRatio);
context.beginPath();
context.rect(left, top, width, height);
context.fill();
context.stroke();
context.restore();
}