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fix: add retina display support #81

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fix: add retina display support #81

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10 changes: 8 additions & 2 deletions src/components/Calendar/Grid/Grid.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,11 @@ const Grid = forwardRef<HTMLDivElement, GridProps>(function Grid(

const handleResize = useCallback(
(ctx: CanvasRenderingContext2D) => {
ctx.canvas.width = window.innerWidth * screenWidthMultiplier;
const canvasWidth = window.innerWidth * screenWidthMultiplier;

ctx.canvas.width = canvasWidth * window.devicePixelRatio;
ctx.canvas.style.width = canvasWidth + "px";

drawGrid(ctx, zoom, rows, cols, startDate);
},
[cols, startDate, rows, zoom]
Expand All @@ -41,8 +45,10 @@ const Grid = forwardRef<HTMLDivElement, GridProps>(function Grid(
canvas.style.letterSpacing = "1px";
const ctx = canvas.getContext("2d");
if (!ctx) return;
const canvasHeight = rows * boxHeight + 1;

ctx.canvas.height = rows * boxHeight + 1;
ctx.canvas.height = canvasHeight * window.devicePixelRatio;
ctx.canvas.style.height = canvasHeight + "px";

handleResize(ctx);
}, [date, rows, zoom, handleResize]);
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10 changes: 8 additions & 2 deletions src/components/Calendar/Header/Header.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,14 @@ const Header: FC<HeaderProps> = ({ zoom, topBarWidth }) => {

const handleResize = useCallback(
(ctx: CanvasRenderingContext2D) => {
ctx.canvas.width = window.innerWidth * screenWidthMultiplier;
ctx.canvas.height = headerHeight + 1;
const canvasWidth = window.innerWidth * screenWidthMultiplier;
const canvasHeight = headerHeight + 1;

ctx.canvas.width = canvasWidth * window.devicePixelRatio;
ctx.canvas.height = canvasHeight * window.devicePixelRatio;
ctx.canvas.style.width = canvasWidth + "px";
ctx.canvas.style.height = canvasHeight + "px";
ctx.scale(window.devicePixelRatio, window.devicePixelRatio);

drawHeader(ctx, zoom, cols, startDate, week, dayOfYear);
},
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2 changes: 2 additions & 0 deletions src/utils/drawGrid/drawGrid.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,8 @@ export const drawGrid = (
parsedStartDate: Day
) => {
ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
ctx.scale(window.devicePixelRatio, window.devicePixelRatio);

const canvasWrapper = document.getElementById(canvasWrapperId);
if (!canvasWrapper) return;

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