clipping.h File Reference

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

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Functions
FREERDP_LOCAL BOOL	gdi_SetClipRgn (HGDI_DC hdc, INT32 nXLeft, INT32 nYLeft, INT32 nWidth, INT32 nHeight)
FREERDP_LOCAL HGDI_RGN	gdi_GetClipRgn (HGDI_DC hdc)
FREERDP_LOCAL BOOL	gdi_SetNullClipRgn (HGDI_DC hdc)
FREERDP_LOCAL BOOL	gdi_ClipCoords (HGDI_DC hdc, INT32 *x, INT32 *y, INT32 *w, INT32 *h, INT32 *srcx, INT32 *srcy)

Function Documentation

gdi_ClipCoords()

FREERDP_LOCAL BOOL gdi_ClipCoords	(	HGDI_DC	hdc,
		INT32 *	x,
		INT32 *	y,
		INT32 *	w,
		INT32 *	h,
		INT32 *	srcx,
		INT32 *	srcy
	)

Clip coordinates according to clipping region

Parameters

hdc	device context
x	x1
y	y1
w	width
h	height
srcx	source x1
srcy	source y1

Returns

nonzero if there is something to draw, 0 otherwise

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gdi_GetClipRgn()

FREERDP_LOCAL HGDI_RGN gdi_GetClipRgn

(

HGDI_DC

hdc

)

Get the current clipping region. msdn{dd144866}

Parameters

hdc	device context

Returns

clipping region

gdi_SetClipRgn()

FREERDP_LOCAL BOOL gdi_SetClipRgn	(	HGDI_DC	hdc,
		INT32	nXLeft,
		INT32	nYLeft,
		INT32	nWidth,
		INT32	nHeight
	)

FreeRDP: A Remote Desktop Protocol Implementation GDI Clipping 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.

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gdi_SetNullClipRgn()

FREERDP_LOCAL BOOL gdi_SetNullClipRgn

(

HGDI_DC

hdc

)

Set the current clipping region to null.

Parameters

hdc	device context

Returns

nonzero on success, 0 otherwise

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