AFFiNE-Mirror/blocksuite/docs/api/@blocksuite/std/gfx/functions/getEffectiveDpr.md

BlockSuite API Documentation

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BlockSuite API Documentation / @blocksuite/std / gfx / getEffectiveDpr

Function: getEffectiveDpr()

getEffectiveDpr(zoom, rawDpr?): number

Resolves the effective device-pixel-ratio for canvas backing stores at the given zoom, honoring viewportRuntimeConfig.CANVAS_DPR_CAP_BY_ZOOM.

Returns the raw window.devicePixelRatio when no cap applies.

Parameters

zoom

number

rawDpr?

number = window.devicePixelRatio

Returns

number