#include <freerdp/api.h>
#include <freerdp/gdi/gdi.h>

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Functions
FREERDP_API HGDI_RGN	gdi_CreateRectRgn (INT32 nLeftRect, INT32 nTopRect, INT32 nRightRect, INT32 nBottomRect)

FREERDP_API HGDI_RECT	gdi_CreateRect (INT32 xLeft, INT32 yTop, INT32 xRight, INT32 yBottom)

FREERDP_API BOOL	gdi_RectToRgn (const HGDI_RECT rect, HGDI_RGN rgn)

FREERDP_API BOOL	gdi_CRectToRgn (INT32 left, INT32 top, INT32 right, INT32 bottom, HGDI_RGN rgn)

FREERDP_API BOOL	gdi_RectToCRgn (const HGDI_RECT rect, INT32 x, INT32 y, INT32 w, INT32 h)

FREERDP_API BOOL	gdi_CRectToCRgn (INT32 left, INT32 top, INT32 right, INT32 bottom, INT32 x, INT32 y, INT32 w, INT32 h)

FREERDP_API BOOL	gdi_RgnToRect (const HGDI_RGN rgn, HGDI_RECT rect)

FREERDP_API BOOL	gdi_CRgnToRect (INT64 x, INT64 y, INT32 w, INT32 h, HGDI_RECT rect)

FREERDP_API BOOL	gdi_RgnToCRect (const HGDI_RGN rgn, INT32 left, INT32 top, INT32 right, INT32 bottom)

FREERDP_API BOOL	gdi_CRgnToCRect (INT32 x, INT32 y, INT32 w, INT32 h, INT32 left, INT32 top, INT32 right, INT32 bottom)

FREERDP_API BOOL	gdi_CopyOverlap (INT32 x, INT32 y, INT32 width, INT32 height, INT32 srcx, INT32 srcy)

FREERDP_API BOOL	gdi_SetRect (HGDI_RECT rc, INT32 xLeft, INT32 yTop, INT32 xRight, INT32 yBottom)

FREERDP_API BOOL	gdi_SetRgn (HGDI_RGN hRgn, INT32 nXLeft, INT32 nYLeft, INT32 nWidth, INT32 nHeight)

FREERDP_API BOOL	gdi_SetRectRgn (HGDI_RGN hRgn, INT32 nLeftRect, INT32 nTopRect, INT32 nRightRect, INT32 nBottomRect)

FREERDP_API BOOL	gdi_EqualRgn (const HGDI_RGN hSrcRgn1, const HGDI_RGN hSrcRgn2)
	Compare two regions for equality. msdn{dd162700}. More...

FREERDP_API BOOL	gdi_CopyRect (HGDI_RECT dst, const HGDI_RECT src)
	Copy coordinates from a rectangle to another rectangle msdn{dd183481}. More...

FREERDP_API BOOL	gdi_PtInRect (const HGDI_RECT rc, INT32 x, INT32 y)

FREERDP_API BOOL	gdi_InvalidateRegion (HGDI_DC hdc, INT32 x, INT32 y, INT32 w, INT32 h)

Function Documentation

◆ gdi_CopyOverlap()

FREERDP_API BOOL gdi_CopyOverlap	(	INT32	x,
		INT32	y,
		INT32	width,
		INT32	height,
		INT32	srcx,
		INT32	srcy
	)

Check if copying would involve overlapping regions

Parameters

x	x1
y	y1
width	width
height	height
srcx	source x1
srcy	source y1

Returns: nonzero if there is an overlap, 0 otherwise

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◆ gdi_CopyRect()

FREERDP_API BOOL gdi_CopyRect	(	HGDI_RECT	dst,
		const HGDI_RECT	src
	)

Copy coordinates from a rectangle to another rectangle msdn{dd183481}.

Parameters

dst	destination rectangle
src	source rectangle

Returns: nonzero if successful, 0 otherwise

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◆ gdi_CreateRect()

FREERDP_API HGDI_RECT gdi_CreateRect	(	INT32	xLeft,
		INT32	yTop,
		INT32	xRight,
		INT32	yBottom
	)

Create a new rectangle.

Parameters

xLeft	x1
yTop	y1
xRight	x2
yBottom	y2

Returns: new rectangle

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◆ gdi_CreateRectRgn()

FREERDP_API HGDI_RGN gdi_CreateRectRgn	(	INT32	nLeftRect,
		INT32	nTopRect,
		INT32	nRightRect,
		INT32	nBottomRect
	)

FreeRDP: A Remote Desktop Protocol Implementation GDI Region Functions

Copyright 2010-2011 Marc-Andre Moreau marca.nosp@m.ndre.nosp@m..more.nosp@m.au@g.nosp@m.mail..nosp@m.com Copyright 2016 Armin Novak armin.nosp@m..nov.nosp@m.ak@th.nosp@m.inca.nosp@m.st.co.nosp@m.m Copyright 2016 Thincast Technologies GmbH

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Create a region from rectangular coordinates. msdn{dd183514}

Parameters

nLeftRect	x1
nTopRect	y1
nRightRect	x2
nBottomRect	y2

Returns: new region

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◆ gdi_CRectToCRgn()

FREERDP_API BOOL gdi_CRectToCRgn	(	INT32	left,
		INT32	top,
		INT32	right,
		INT32	bottom,
		INT32 *	x,
		INT32 *	y,
		INT32 *	w,
		INT32 *	h
	)

Convert rectangular coordinates to region coordinates.

Parameters

left	x1
top	y1
right	x2
bottom	y2
x	x1
y	y1
w	width
h	height

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◆ gdi_CRectToRgn()

FREERDP_API BOOL gdi_CRectToRgn	(	INT32	left,
		INT32	top,
		INT32	right,
		INT32	bottom,
		HGDI_RGN	rgn
	)

Convert rectangular coordinates to a region.

Parameters

left	x1
top	y1
right	x2
bottom	y2
rgn	destination region

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◆ gdi_CRgnToCRect()

FREERDP_API BOOL gdi_CRgnToCRect	(	INT32	x,
		INT32	y,
		INT32	w,
		INT32	h,
		INT32 *	left,
		INT32 *	top,
		INT32 *	right,
		INT32 *	bottom
	)

Convert region coordinates to rectangular coordinates.

Parameters

x	x1
y	y1
w	width
h	height
left	x1
top	y1
right	x2
bottom	y2

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◆ gdi_CRgnToRect()

FREERDP_API BOOL gdi_CRgnToRect	(	INT64	x,
		INT64	y,
		INT32	w,
		INT32	h,
		HGDI_RECT	rect
	)

Convert region coordinates to a rectangle.

Parameters

x	x1
y	y1
w	width
h	height
rect	destination rectangle

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◆ gdi_EqualRgn()

FREERDP_API BOOL gdi_EqualRgn	(	const HGDI_RGN	hSrcRgn1,
		const HGDI_RGN	hSrcRgn2
	)

Compare two regions for equality. msdn{dd162700}.

Parameters

hSrcRgn1	first region
hSrcRgn2	second region

Returns: nonzero if both regions are equal, 0 otherwise

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◆ gdi_InvalidateRegion()

FREERDP_API BOOL gdi_InvalidateRegion	(	HGDI_DC	hdc,
		INT32	x,
		INT32	y,
		INT32	w,
		INT32	h
	)

Invalidate a given region, such that it is redrawn on the next region update. msdn{dd145003}

Parameters

hdc	device context
x	x1
y	y1
w	width
h	height

Returns: nonzero on success, 0 otherwise

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◆ gdi_PtInRect()

FREERDP_API BOOL gdi_PtInRect	(	const HGDI_RECT	rc,
		INT32	x,
		INT32	y
	)

Check if a point is inside a rectangle. msdn{dd162882}

Parameters

rc	rectangle
x	point x position
y	point y position

Returns: nonzero if the point is inside, 0 otherwise

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◆ gdi_RectToCRgn()

FREERDP_API BOOL gdi_RectToCRgn	(	const HGDI_RECT	rect,
		INT32 *	x,
		INT32 *	y,
		INT32 *	w,
		INT32 *	h
	)

Convert a rectangle to region coordinates.

Parameters

rect	source rectangle
x	x1
y	y1
w	width
h	height

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◆ gdi_RectToRgn()

FREERDP_API BOOL gdi_RectToRgn	(	const HGDI_RECT	rect,
		HGDI_RGN	rgn
	)

Convert a rectangle to a region.

Parameters

rect	source rectangle
rgn	destination region

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◆ gdi_RgnToCRect()

FREERDP_API BOOL gdi_RgnToCRect	(	const HGDI_RGN	rgn,
		INT32 *	left,
		INT32 *	top,
		INT32 *	right,
		INT32 *	bottom
	)

Convert a region to rectangular coordinates.

Parameters

rgn	source region
left	x1
top	y1
right	x2
bottom	y2

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◆ gdi_RgnToRect()

FREERDP_API BOOL gdi_RgnToRect	(	const HGDI_RGN	rgn,
		HGDI_RECT	rect
	)

Convert a region to a rectangle.

Parameters

rgn	source region
rect	destination rectangle

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◆ gdi_SetRect()

FREERDP_API BOOL gdi_SetRect	(	HGDI_RECT	rc,
		INT32	xLeft,
		INT32	yTop,
		INT32	xRight,
		INT32	yBottom
	)

Set the coordinates of a given rectangle. msdn{dd145085}

Parameters

rc	rectangle
xLeft	x1
yTop	y1
xRight	x2
yBottom	y2

Returns: nonzero if successful, 0 otherwise

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◆ gdi_SetRectRgn()

FREERDP_API BOOL gdi_SetRectRgn	(	HGDI_RGN	hRgn,
		INT32	nLeftRect,
		INT32	nTopRect,
		INT32	nRightRect,
		INT32	nBottomRect
	)

Convert rectangular coordinates to a region

Parameters

hRgn	destination region
nLeftRect	x1
nTopRect	y1
nRightRect	x2
nBottomRect	y2

Returns: nonzero if successful, 0 otherwise

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◆ gdi_SetRgn()

FREERDP_API BOOL gdi_SetRgn	(	HGDI_RGN	hRgn,
		INT32	nXLeft,
		INT32	nYLeft,
		INT32	nWidth,
		INT32	nHeight
	)

Set the coordinates of a given region.

Parameters

hRgn	region
nXLeft	x1
nYLeft	y1
nWidth	width
nHeight	height

Returns: nonzero if successful, 0 otherwise

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