drm_rect_calc_vscale
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## Name

drm_rect_calc_vscale — calculate the vertical scaling factor

## Synopsis

`int drm_rect_calc_vscale (` | const struct drm_rect * src,
| const struct drm_rect * dst,
| int min_vscale,
| int max_vscale`)`;

## Arguments

`src`

  source window rectangle

`dst`

  destination window rectangle

`min_vscale`

  minimum allowed vertical scaling factor

`max_vscale`

  maximum allowed vertical scaling factor

## Description

Calculate the vertical scaling factor as (`src` height) / (`dst` height).

## RETURNS

The vertical scaling factor, or errno of out of limits.

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drm_rect_calc_hscale | Home | drm_rect_calc_hscale_relaxed