'\" t
.\"     Title: drm_rect_calc_hscale_relaxed
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: DRM Core
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "DRM_RECT_CALC_HSCALE" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "DRM Core"
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.SH "NAME"
drm_rect_calc_hscale_relaxed \- calculate the horizontal scaling factor
.SH "SYNOPSIS"
.HP \w'int\ drm_rect_calc_hscale_relaxed('u
.BI "int drm_rect_calc_hscale_relaxed(struct\ drm_rect\ *\ " "src" ", struct\ drm_rect\ *\ " "dst" ", int\ " "min_hscale" ", int\ " "max_hscale" ");"
.SH "ARGUMENTS"
.PP
\fIsrc\fR
.RS 4
source window rectangle
.RE
.PP
\fIdst\fR
.RS 4
destination window rectangle
.RE
.PP
\fImin_hscale\fR
.RS 4
minimum allowed horizontal scaling factor
.RE
.PP
\fImax_hscale\fR
.RS 4
maximum allowed horizontal scaling factor
.RE
.SH "DESCRIPTION"
.PP
Calculate the horizontal scaling factor as (\fIsrc\fR
width) / (\fIdst\fR
width)\&.
.PP
If the calculated scaling factor is below
\fImin_vscale\fR, decrease the height of rectangle
\fIdst\fR
to compensate\&.
.PP
If the calculated scaling factor is above
\fImax_vscale\fR, decrease the height of rectangle
\fIsrc\fR
to compensate\&.
.SH "RETURNS"
.PP
The horizontal scaling factor\&.
.SH "AUTHORS"
.PP
\fBJesse Barnes\fR <\&jesse.barnes@intel.com\&>
.br
Intel Corporation, 
	    
	  
.RS 4
Initial version
.RE
.PP
\fBLaurent Pinchart\fR <\&laurent.pinchart@ideasonboard.com\&>
.br
Ideas on board SPRL, 
	    
	  
.RS 4
Driver internals
.RE
.PP
\fBDaniel Vetter\fR <\&daniel.vetter@ffwll.ch\&>
.br
Intel Corporation, 
	    
	  
.RS 4
Contributions all over the place
.RE
.SH "COPYRIGHT"
.br